CN108207135A - For the actuating unit of mini-tiller - Google Patents
For the actuating unit of mini-tiller Download PDFInfo
- Publication number
- CN108207135A CN108207135A CN201711496407.8A CN201711496407A CN108207135A CN 108207135 A CN108207135 A CN 108207135A CN 201711496407 A CN201711496407 A CN 201711496407A CN 108207135 A CN108207135 A CN 108207135A
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- Prior art keywords
- bevel gear
- mini
- hand screw
- tiller
- cutter shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000008859 change Effects 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000003971 tillage Methods 0.000 claims description 25
- 238000005452 bending Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009333 weeding Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/082—Transmissions; Gearings; Power distribution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention belongs to agricultural mechanical equipments, are related to the actuating unit for mini-tiller, more specifically a kind of all-gear drive type actuating unit with clutch shifting reversing arrangement for mini-tiller.Including power input mechanism, power take-off mechanism, clutch shifting reversing arrangement, traveling wheel between power input mechanism and power take-off mechanism；The traveling wheel is connected by wheel-speed regulating change box of walking with power input mechanism.In the case that the present invention realizes that micro-cultivator walking wheel direction of rotation is constant, rotary knife axis direction of rotation can both forward and reverse directions change.So as to fulfill the function of ditching of all gear mini-tiller, and easy to operate simple, without shield is needed to change during trench digging, without doing any other operation, shift fork only need to be stirred, changing cutter can ditching operation.Meanwhile climb the mountain, climb, the machine movement during inoperatives such as plot movement, only it need to stir shift fork, you can rotary blade is made not turn, and traction drive machine is walked, and is ensured safety, is saved manpower.
Description
Technical field
The invention belongs to crop-planting mechanical equipments, are related to the actuating unit for mini-tiller, more specifically
It is a kind of all-gear drive type actuating unit with clutch shifting reversing arrangement for mini-tiller.
Background technology
Mini-tiller belongs to the common implement of farming machinery, is especially widely used in small area arable land.It is existing
Some mini-tillers are broadly divided into two classes, and one kind is two driving mini-tillers, and another kind of is four driving mini-tillers.4 wheel driven mini-tiller is main
For two classes, one kind belongs to belt and the mini-tiller of chain drive, the another kind of mini-tiller for belonging to all-gear drive.Existing part
Belt and the mini-tiller of chain drive can realize the function of trench digging, not have also in the mini-tiller of current all-gear drive
It is standby.But belt and the mini-tiller of chain drive are big with impact vibration, high failure rate, it is impossible to ensure fixed gearratio, skin
The shortcomings of band easily skids, power output is insufficient, belt and service life of chain are short, and more than the mini-tiller of all-gear drive can overcome
Shortcoming, with fixed gearratio, power output foot, failure rate is low, service life is long.All-gear drive 4 wheel driven mini-tiller has two
A speed-changing gear box being connect respectively with traveling wheel and rotary blade will realize that function of ditching then needs to control rotary knife axis and walking
It is opposite to take turns direction of rotation.In existing all-gear drive 4 wheel driven mini-tiller, since the gearbox being connect with rotary blade is to pass through tooth
The conventional transmission case being directly connected to is taken turns, and only there are one lateral spiral bevel gears for conventional transmission case, are also changed without clutch shifting
To device, can not realize input shaft direction of rotation it is constant in the case of the function that changes of output shaft direction of rotation, so as to can not be real
Existing function of ditching.
Current all-gear drive 4 wheel driven mini-tiller needed when being moved between mountain area either more plot Manual-pushing or
Movement of machining is needed, Manual-pushing is time-consuming and laborious, and machines and moved, and rotary blade rotates simultaneously, easily touches
There is very big security risk in ground sundries.
The mini-tiller with function of ditching is divided into two classes at present, and one kind is driving mini-tiller after preceding trench digging, before one kind is
Drive post-trenching type mini-tiller.Driving mini-tiller after preceding trench digging needs replacing relatively narrow traveling wheel, troublesome in poeration, entire machine
Device is walked in the ditch outputed, and widths affect of the width by traveling wheel of ditching, run trace is restricted.And preceding driving post-trenching
Type mini-tiller then avoids disadvantage mentioned above, and without needing to change, traveling wheel, trench digging width is flexibly adjustable, run trace is unrestricted.But
It is that the transmission of all-gear drive type Mini-tiller power is connected by two speed-changing gear boxs on a horizontal line, by this structure
It influencing, when post-trenching is driven before realization, the gearbox being connected with ditching knife group will be contacted with ground, form larger resistance,
Increase engine load, while seriously affect trench digging width and depth.
Invention content
Expense when being moved between function of ditching, plot can not be realized for all-gear drive type mini-tiller in the prior art
When it is laborious, gearbox to contact the problems such as forming larger resistance with ground there are security risk and before realizing during driving post-trenching,
The present invention is provided to the actuating unit of mini-tiller, by carry gearbox and traveling wheel that clutch shifting commutates and
The improvement of ditching knife group has the characteristics that fixed gearratio, power output foot, failure rate is low, service life is long, has and opens
Ditch rotary tillage, weeding, walking, climbs, climbs the mountain, the functions such as mobile between plot, and use is time saving and energy saving, security performance is high, and solves
Gearbox and the problem of ground drag big during trench digging.
To achieve the above object, the present invention is achieved by the following technical solutions：
The present invention is provided to the actuating units of mini-tiller, are characterized in that：It is defeated including power input mechanism, power
Go out mechanism, clutch shifting reversing arrangement, traveling wheel 23 between power input mechanism and power take-off mechanism；The walking
Wheel 23 is connected by wheel-speed regulating change box 24 of walking with power input mechanism.
Further, the power input mechanism includes spiral bevel gear 17, spiral bevel gear axis 7, the screw conic tooth
7 one end of wheel shaft connects spiral bevel gear 17, and the other end is connect by rotation axis with walking wheel-speed regulating change box 24.
Further, the power take-off mechanism includes cutter shaft 2 and the rotating mechanism that is socketed on cutter shaft 2, described turn
Motivation structure includes left-hand screw bevel gear 5, right-hand screw bevel gear 9, and the left-hand screw bevel gear 5 and right-hand screw bevel gear 9 are in cutter shaft 2
The both sides of axial centre are symmetrical arranged.
Further, the centre bore of the left-hand screw bevel gear 5 and right-hand screw bevel gear 9 is socketed on cutter shaft 2, with cutter shaft
2 rotate freely relatively；The left-hand screw bevel gear 5 and right-hand screw bevel gear 9 are respectively connected with spiral bevel gear 17.
Further, the inner face of the left-hand screw bevel gear 5 and right-hand screw bevel gear 9 has multiple be placed equidistant with respectively
Groove, the left-hand screw bevel gear 5 and right-hand screw bevel gear 9 are with reeded end face towards the axial center of cutter shaft 2
It places.
Further, the clutch shifting reversing arrangement includes pulling sleeve 13, is set on the center bore inner wall of the pulling sleeve 13
There are multiple grooves along hole inner wall decile, the 2 intermediate position of cutter shaft is provided with along the more of the circumferential position decile of 2 side wall of cutter shaft
A double wedge；The groove of the pulling sleeve 13 is assembled with the double wedge of cutter shaft 2, and the number phase of the groove of pulling sleeve 13 and the double wedge of cutter shaft 2
Together, pulling sleeve 13 is under the assembling of the groove of pulling sleeve 13 and the double wedge of cutter shaft 2, along the axially free slip of cutter shaft 2.
Further, along 13 centre bore direction of pulling sleeve, the two sides where 13 both ends of pulling sleeve set multiple deciles respectively
Double wedge；The double wedge of 13 both sides of pulling sleeve assembles respectively with the groove of 9 inner face of left-hand screw bevel gear 5 and right-hand screw bevel gear,
The double wedge of the pulling sleeve 13 and the groove of 9 inner face of left-hand screw bevel gear 5 and right-hand screw bevel gear.
Further, the clutch shifting reversing arrangement further includes shift fork 14, shift fork connecting rod 15, operating lever 16, wherein institute
It states and annular groove is provided on the parallel outer wall of 13 centre bore of pulling sleeve, 14 openend of shift fork is embedded in the ring of 13 outer wall of pulling sleeve
On connected in star, the other end opposite with openend is connect by shift fork connecting rod 15 with operating lever 16.
Further, the power take-off mechanism further includes ditching knife group, and ditching knife group is mounted at 2 both ends of cutter shaft,
Each ditching knife group includes multiple furrow-opening cutter blades 18, one or more Rotary tillage blades 19, cutterhead 21；The cutterhead 21 is mounted on knife
On axis 2, the surfaces externally and internally of the cutterhead 21 is equipped with multiple furrow-opening cutter blades 18, and one or more of Rotary tillage blades 19 are mounted on
The inner surface of cutterhead 21；Wherein described furrow-opening cutter blade 18 is bent outwardly away from gearbox 1, and the Rotary tillage blade 19 is towards gearbox
1 curves inwardly.
Further, the traveling wheel 23 is the circle formed by bar bending, and multiple rectangles are equidistantly welded in outer circle
Steel plate.
Compared with prior art, the present invention it is beneficial in that：The present invention is provided with clutch shifting reversing arrangement
All-gear drive mini-tiller, the gearbox to be commutated by carrying clutch shifting, can be constant in power input shaft direction of rotation
On the basis of, power output shaft direction of rotation is made to change by stirring clutch, make the side that cutter shaft both can be identical with traveling wheel
To rotation, but can opposite to that direction rotate, while neutral gear can be hung so that cutter shaft does not rotate and traveling wheel still rotates.
So as to ensure fixed drive ratio, keep realizing function of ditching under the premise of sufficient power output and longer service life.
Meanwhile Rotary tillage blade of the shape to gearbox curving is added by the optimization design to traveling wheel and in ditching knife group
Design, reduce the load of engine, increase the width and depth of trench digging.It climbing the mountain, climbing, moved between plot simultaneously
When, it is stopped rotating by clutch cutter shaft and pushes walking by traveling wheel, both having saved manpower, in turn avoid many safety hidden
Suffer from.The present invention equipment can apply in crop-planting, such as plowed, the landform of Furrow sowing can adopt
With.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the clutch shifting reversing arrangement structure diagram of the present invention.
Fig. 3 is the ditching knife group structure diagram of the present invention.
Fig. 4 is the traveling wheel structure diagram of the present invention.
Description of symbols：1st, gearbox, 2, cutter shaft, 3, end cap one, 4, bearing one, 5, left-hand screw bevel gear, 6, bearing two, 7,
Helical gear shaft, 8, bearing three, 9, right-hand screw bevel gear, 10, oil sealing, 11, dust seal, 12, end cap two, 13, pulling sleeve, 14, dial
Fork, 15, shift fork connecting rod, 16, operating lever, 17, spiral bevel gear, 18, furrow-opening cutter blade, 19, Rotary tillage blade, 20, tool magazine, 21, knife
Disk, 22, axis pin, 23, traveling wheel, 24, walking wheel-speed regulating change box, 25, groove, 26, double wedge, 27, annular groove.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing into
One step it is described in detail.
The actuating unit of the present invention is applied on mini-tiller, is that the agricultural with clutch shifting commutation gearbox 1 is used
All-gear drive 4 wheel driven mini-tiller, can be applied on similar devices.As shown in Figure 1, the present invention include power input mechanism,
Power take-off mechanism, clutch shifting reversing arrangement, traveling wheel 23 between power input mechanism and power take-off mechanism；Institute
Traveling wheel 23 is stated by wheel-speed regulating change box 24 of walking with power input mechanism to be connected.
Power input mechanism includes spiral bevel gear 17, spiral bevel gear axis 7,7 one end of spiral bevel gear axis connection
Spiral bevel gear 17, the other end are connect by rotation axis with walking wheel-speed regulating change box 24, and the wheel body of wherein traveling wheel 23 is symmetrical
In the both sides of spiral bevel gear axis 7.In embodiment, traveling wheel 23 be by reinforcing bar song into circle, outer circle it is equidistant be welded with six
Block length square plate, it is optimal selection that six block length square plates are set on traveling wheel 23, and energy consumption is minimum.
Power take-off mechanism includes cutter shaft 2 and the rotating mechanism being socketed on cutter shaft 2, in the present invention, along cutter shaft 2
2 side wall of axial direction and cutter shaft circumferential position on, 2 intermediate position of cutter shaft set four deciles double wedge；Rotating mechanism
Including left-hand screw bevel gear 5, right-hand screw bevel gear 9.Left-hand screw bevel gear 5 and 9 intermediate position of right-hand screw bevel gear offer
Through the endoporus of gear, by endoporus respectively by left-hand screw bevel gear 5 and 9 empty set of right-hand screw bevel gear on cutter shaft 2, two teeth
Wheel, without power connector, rotates freely relatively with cutter shaft 2；It is opened up above the endoporus of left-hand screw bevel gear 5 and right-hand screw bevel gear 9
In coaxial exit orifice, outer pore size is more than endoporus, and there are four equidistant trapezoidal grooves for setting on the side wall of exit orifice.
Left-hand screw bevel gear 5 and right-hand screw bevel gear 9 are symmetrical arranged, and left-hand screw in the both sides of 2 axial centre of cutter shaft
Bevel gear 5 and right-hand screw bevel gear 9 are engaged simultaneously always with spiral bevel gear 17 simultaneously.
For clutch shifting reversing arrangement, referring to Fig. 2, including pulling sleeve 13, shift fork 14, shift fork connecting rod 15, operating lever 16,
Middle pulling sleeve 13 is column structure, offers centre bore along the central axis direction of column structure, four are provided on center bore inner wall
A groove along hole inner wall decile, the double wedge of 2 intermediate four deciles in position of four grooves and cutter shaft set on pulling sleeve 13 is always
Cooperation.Under the assembling of the double wedge of the groove and cutter shaft 2 of pulling sleeve 13, pulling sleeve 13 can carry out axially free slip along cutter shaft 2.
Along 13 centre bore direction of pulling sleeve, there are four the trapezoidal double wedge of decile, institutes respectively for the column structure both ends of the surface of pulling sleeve 13
The double wedge for stating 13 both sides of pulling sleeve assembles respectively with the groove of 9 inner face of left-hand screw bevel gear 5 and right-hand screw bevel gear, pulling sleeve 13
Double wedge is identical with the number of the groove of 9 inner face of left-hand screw bevel gear 5 and right-hand screw bevel gear.
In the present invention in order to be illustrated to structure, the double wedge of appearance, the quantity of groove are for four, the present invention
The groove set on pulling sleeve 13 is also provided with multiple, such as 5,6 etc., the double wedge on cutter shaft 2 can also be provided with more
It is a, such as 5,6 etc., the groove of 9 inner face of double wedge, left-hand screw bevel gear 5 and right-hand screw bevel gear of pulling sleeve 13 is also
It is multiple to be provided with.No matter the groove of pulling sleeve 13, the double wedge of cutter shaft 2, the double wedge of pulling sleeve 13 and left-hand screw bevel gear 5 and the right side
How much is the groove number setting of 9 inner face of spiral bevel gear, will ensure the groove of pulling sleeve 13 and the number phase of the double wedge of cutter shaft 2
Together, and ensure assembly relation between the two；The double wedge of 13 two end faces of pulling sleeve distinguishes corresponding 5 He of left-hand screw bevel gear
The number of recesses of 9 inner face of right-hand screw bevel gear is consistent, and ensures assembly relation between the two.
The groove shapes of 9 inner face of the double wedge shape of pulling sleeve 13, left-hand screw bevel gear 5 and right-hand screw bevel gear are adopted
Illustrated with trapezoidal, the groove of double wedge, left-hand screw bevel gear 5 and 9 inner face of right-hand screw bevel gear about pulling sleeve 13 in addition to
The present invention illustrate it is trapezoidal, can also have the shapes such as rectangle, but anyway change the shape of double wedge, double wedge and groove want phase
Matching.
There is an annular groove on the outer wall of 13 column of pulling sleeve, shift fork 14 is embedded in the annular groove of 13 outer circle of pulling sleeve；
The fork of the present invention is the structure of one end open one end handle, and Open Side Down is inserted into annular groove, and handle end is then by dialling
Fork connecting rod 15 connect with operating lever 16, operating lever 16 gearbox 1 babinet outer tip end, convenient for users to operate.
The power take-off mechanism of the present invention further includes ditching knife group, and referring to Fig. 3, ditching knife is mounted at 2 both ends of cutter shaft
Group, each ditching knife group include multiple furrow-opening cutter blades 18, one or more Rotary tillage blades 19, tool magazine 20, cutterhead 21；For ease of saying
Bright mounting structure and principle, using for 3 furrow-opening cutter blades, 18,1 Rotary tillage blades 19 in the present embodiment, no matter but ditching knife
How 19 piece 18, Rotary tillage blade numbers set, and will follow the inner surface that Rotary tillage blade 19 is mounted on cutterhead 21, furrow-opening cutter blade 18
In the principle that the surfaces externally and internally of cutterhead 21 can be installed, and furrow-opening cutter blade 18 is bent outwardly away from gearbox 1, Rotary tillage blade
19 curve inwardly towards gearbox 1.
The center of cutterhead 21 is fixedly connected by axis pin 22 with cutter shaft 2, and in 21 both sides of cutterhead, wherein side is towards change
Fast case 1 is inner surface, and opposite side is away from the outer surface of gearbox 1, and the surfaces externally and internally of cutterhead 21 is each provided with two tool magazines
20, furrow-opening cutter blade 18 is specifically connected to by the surfaces externally and internally edge of cutterhead 21 by tool magazine 20, Rotary tillage blade 19 is connected to knife
The inner surface edge of disk 21.Two furrow-opening cutter blades 18, inner surface two are separately installed on the circumference of two tool magazines 20 of outer surface
1 furrow-opening cutter blade 18 and 1 Rotary tillage blade 19 are separately installed on the circumference of a tool magazine 20, wherein furrow-opening cutter blade 18 deviates from speed change
Case 1 is bent outwardly, and Rotary tillage blade 19 curves inwardly towards gearbox 1.
For the present invention, the pulling sleeve 13 of left-hand screw bevel gear 5, right-hand screw bevel gear 9 and clutch shifting reversing arrangement is equal
It is socketed on cutter shaft 2, power input mechanism, power output device are arranged in gearbox 1, and change is stretched out at 2 both ends of cutter shaft respectively
Fast case 1 stretches out on the axis body of gearbox 1 in cutter shaft 2 and is socketed with end cap 1, for 1 both ends of sealed gearbox, while in end cap
Dust seal 11 is provided between one 3 and cutter shaft 2, left-hand screw bevel gear 5, right-hand screw bevel gear 9 are socketed in the interior nose end on cutter shaft 2
Face is mounted on the bearing being socketed on cutter shaft 226, oil sealing 10 is set to become for sealing between bearing 26 and dust seal 11
Fast case 1.Bearing 1 is installed, the end of spiral bevel gear axis 7 is equipped with bearing between the end of spiral bevel gear 17 and babinet
38.
The solution of the present invention rotary tillage, weeding, support ridger still ditch, earth up, and all realize all-gear drive, ensure that
The advantage of all-gear drive, such as power is full, the proportion of goods damageds are low, failure rate is low, service life is grown etc..In the micro- of all-gear drive
Function of ditching is realized in the machine of ploughing, and easy to operate simple, without shield is needed to change during trench digging, without doing any other operation,
Shift fork 14 only need to be stirred, changing cutter can ditching operation.Effect of ditching is good, and 21 both sides of cutterhead of ditching knife group are fitted with out
Ditch blade 18, trench digging width increase.Its shape of a piece of Rotary tillage blade 19 that the inside of cutterhead 21 is installed simultaneously is to 1 one lateral bending of gearbox
Song, when entire cutterhead 21 rotates, Rotary tillage blade 19, which rotates with it, smashes the soil of 1 bottom of gearbox and forepart, and backward
It dishes out so that gearbox 1 does not contact always with ground, greatly reduces resistance, reduces the load of engine, and ditching depth is big
It is big to increase, the most deep reachable 30cm of depth.The quantity of the welding steel of 23 outer circle of traveling wheel is reduced to six pieces, and earth-grasping force increases
Add, in soft suitable plot, for ditching operation even without hand steered, machine can oneself walking.Meanwhile it climbs the mountain, climb, plot
Machine movement during the inoperatives such as mobile, only need to stir shift fork 14, you can and rotary blade is made not turn, and traveling wheel 23 drives machine
Walking ensures safety, saves manpower.
The actuating unit of the present invention is mounted on mini-tiller, operating lever 16 realizes the control of three gears, below
By three specific embodiments come illustrate the present invention structure and theory of mechanics, for ease of description, lower section embodiment with
Traveling wheel 23 is laterally, helical gear shaft 7 is longitudinal direction, and cutter shaft 2 is in the respectively left and right sides of 7 both sides of helical gear shaft.
Embodiment 1
When needing rotary tillage, weeding, before mini-tiller is started, the left side of operating lever 16 to cutter shaft 2 is stirred, passes through clutch shifting
The shift fork connecting rod 15 of reversing arrangement drives shift fork 14 to be slided to the right side of cutter shaft 2.Shift fork 14 is slided to drive to the right side of cutter shaft 2 and be dialled
Set 13 synchronizes the right side slip to cutter shaft 2, and four trapezoidal double wedges of 13 right side of pulling sleeve is made to be inserted into the inner end of right-hand screw bevel gear 9
4 trapezoidal concave key slots on face.
After starting a machine, the helical gear shaft 7 of power from longitudinal direction inputs, and helical gear shaft 7 passes through spiral bevel gear 17
It is engaged always with left-hand screw bevel gear 5 and right-hand screw bevel gear 9, left-hand screw bevel gear 5 and right-hand screw bevel gear 9 rotate simultaneously.
At this point, four double wedges of 13 left side of pulling sleeve and four grooves of 5 inner face of left-hand screw bevel gear are in disengaged position, right side
Four grooves of four double wedges and 9 inner face of right-hand screw bevel gear be connected, so as to rotate forward therewith.Pulling sleeve 13 passes through
Four grooves of endoporus are connect with four double wedges of cutter shaft 2, so as to be rotated forward with movable arbor 2.Rotary blade direction of rotation at this time
It is identical with 23 direction of rotation of traveling wheel, you can to carry out the operations such as rotary tillage, weeding.
Embodiment 2
When needing trench digging, before mini-tiller is started, ditching knife group is mounted on by axis pin 22 on cutter shaft 2, by operating lever 16
It is stirred to the right side of cutter shaft 2, left slide of the shift fork 14 to cutter shaft 2 is driven by shift fork connecting rod 15.Shift fork 14 is to a left side for cutter shaft 2
Slideslip drives the Slideslip to the left of pulling sleeve 13, and four trapezoidal double wedges of 13 left side of pulling sleeve is made to be inserted into the interior of left-hand screw bevel gear 5
Four trapezoidal grooves on end face.
After starting a machine, the helical gear shaft 7 of power from longitudinal direction inputs, and one end spiral bevel gear 17 is bored with left-hand screw
Gear 5 and right-hand screw bevel gear 9 are engaged always, and the two rotates simultaneously.The pulling sleeve double wedge of 13 right side four and right-hand screw bevel gear 9
Four grooves of inner face are in disengaged position, and the pulling sleeve double wedge of 13 left side four and 5 inner face of left-hand screw bevel gear four
Groove cooperation key connection, so as to rotate backward therewith.Four grooves of 13 endoporus of pulling sleeve are convex with 2 intermediate four, position of cutter shaft always
Tooth is connected, and so as to be rotated backward with movable arbor 22, can carry out ditching operation at this time.
Cutter shaft 2 is rotated backward with movable knife disc 21, so as to which tool magazine 20, furrow-opening cutter blade 18 and Rotary tillage blade 19 be driven reversely to turn
It is dynamic.At this point, furrow-opening cutter blade 18 and 19 direction of rotation of Rotary tillage blade with 23 direction of rotation of traveling wheel on the contrary, furrow-opening cutter blade 18 is by soil
It dishes out to machine both sides, Rotary tillage blade 19 smashes the soil of 1 bottom of babinet and forepart, and dish out backward, even if babinet 1 continues
Sink to also eliminating the resistance contacted with ground from it, ditching depth greatly increases.
Embodiment 3
When needing to climb, climb the mountain, being moved between plot, before mini-tiller is started, operating lever 16 is pushed into centre position, drives and dials
Fork connecting rod 15 and shift fork 14 slide into centre position, then shift fork 14 drives pulling sleeve 13 to slide into centre position.After starting a machine, move
The helical gear shaft 7 of power from longitudinal direction inputs, and one end spiral bevel gear 17 begins with left-hand screw bevel gear 5 and right-hand screw bevel gear 9
Occlusion eventually drives the two to rotate simultaneously.
Since shift fork 14 is in an intermediate position, four double wedges and the left-hand screw bevel gear 5 and right-hand screw of left and right end face are bored
Gear 9 is simultaneously in disengaged position, and power can not pass to shift fork 13, and cutter shaft 2 also runs out of steam therewith.Traveling wheel 23 revolves at this time
Then cutter shaft 2 does not rotate, you can is climbed, climbed the mountain, the movement between plot.
In summary embodiment, the present invention carry the agricultural all-gear drive 4 wheel driven of clutch shifting tumbler gear gearbox
Mini-tiller.It is provided between the power input mechanism and power take-off mechanism of the transmission internal being connected in rotary blade of minitiller axis
Clutch shifting reversing arrangement.By clutch shifting realize in input shaft direction of rotation it is constant on the basis of, output shaft direction of rotation
Change, so as to fulfill micro-cultivator walking wheel direction of rotation it is constant in the case of, rotary knife axis direction of rotation can both forward and reverse directions change.
It is any without doing without needing to change shield during trench digging so as to fulfill the function of ditching of all gear mini-tiller, and easy to operate simple
Other operations only need to stir shift fork, and changing cutter can ditching operation.Meanwhile climb the mountain, climb, plot movement etc. the inoperatives phase
Between machine movement, only need to stir shift fork, you can rotary blade is made not turn, and traction drive machine walk, ensure safety, save
Manpower.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment includes
One independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should incite somebody to action
Specification is as an entirety, and the technical solutions in each embodiment can also be properly combined, and forming those skilled in the art can
With the other embodiment of understanding.
Claims (10)
1. for the actuating unit of mini-tiller, it is characterised in that：Including power input mechanism, power take-off mechanism, it is located at
Clutch shifting reversing arrangement, traveling wheel between power input mechanism and power take-off mechanism（23）；The traveling wheel（23）It is logical
Cross walking wheel-speed regulating change box（1）It is connected with power input mechanism.
2. it to be used for the actuating unit of mini-tiller as described in claim 1, it is characterised in that：The power input mechanism packet
Include spiral bevel gear（17）, spiral bevel gear axis（7）, the spiral bevel gear axis（7）One end connects spiral bevel gear（17）, separately
One end passes through rotation axis and walking wheel-speed regulating change box（24）Connection.
3. it to be used for the actuating unit of mini-tiller as described in claim 1, it is characterised in that：The power take-off mechanism packet
Include cutter shaft（2）And it is socketed in cutter shaft（2）On rotating mechanism, the rotating mechanism include left-hand screw bevel gear（5）, right spiral shell
Revolve bevel gear（9）, the left-hand screw bevel gear（5）With right-hand screw bevel gear（9）In cutter shaft（2）The both sides of axial centre are symmetrically set
It puts.
4. it to be used for the actuating unit of mini-tiller as claimed in claim 3, it is characterised in that：The left-hand screw bevel gear
（5）With right-hand screw bevel gear（9）Centre bore be socketed in cutter shaft（2）On, with cutter shaft（2）It is opposite to rotate freely；The left-hand screw
Bevel gear（5）With right-hand screw bevel gear（9）Respectively with spiral bevel gear（17）It is connected.
5. it to be used for the actuating unit of mini-tiller as claimed in claim 4, it is characterised in that：The left-hand screw bevel gear
（5）With right-hand screw bevel gear（9）Inner face have multiple grooves being placed equidistant with, the left-hand screw bevel gear respectively（5）And the right side
Spiral bevel gear（9）With reeded end face towards cutter shaft（2）It places axial center.
6. it to be used for the actuating unit of mini-tiller as claimed in claim 3, it is characterised in that：The clutch shifting commutation dress
It puts including pulling sleeve（13）, the pulling sleeve（13）Center bore inner wall on be provided with multiple grooves along hole inner wall decile（25）, institute
State cutter shaft（2）Intermediate position is provided with along cutter shaft（2）Multiple double wedges of the circumferential position decile of side wall；The pulling sleeve（13）It is recessed
Slot and cutter shaft（2）Double wedge assembling, and pulling sleeve（13）Groove and cutter shaft（2）Double wedge number it is identical, pulling sleeve（13）It is dialling
Set（13）Groove and cutter shaft（2）Double wedge assembling under, along cutter shaft（2）Axially free slip.
7. it to be used for the actuating unit of mini-tiller as claimed in claim 6, it is characterised in that：Along pulling sleeve（13）Centre bore side
To pulling sleeve（13）Two sides where both ends set the double wedge of multiple deciles respectively（26）；The pulling sleeve（13）The double wedge of both sides
Respectively with left-hand screw bevel gear（5）With right-hand screw bevel gear（9）The groove assembling of inner face, the pulling sleeve（13）Double wedge with it is left
Spiral bevel gear（5）With right-hand screw bevel gear（9）The groove of inner face.
8. it to be used for the actuating unit of mini-tiller as claimed in claim 6, it is characterised in that：The clutch shifting commutation dress
It puts and further includes shift fork（14）, shift fork connecting rod（15）, operating lever（16）, wherein the pulling sleeve（13）It is set on the parallel outer wall of centre bore
It is equipped with annular groove（27）, the shift fork（14）Openend is embedded in pulling sleeve（13）The annular groove of outer wall（27）On, with opening
The opposite other end is held to pass through shift fork connecting rod（15）With operating lever（16）Connection.
9. it to be used for the actuating unit of mini-tiller as described in claim 1, it is characterised in that：The power take-off mechanism is also
Including ditching knife group, in cutter shaft（2）Both ends are mounted on ditching knife group, and each ditching knife group includes multiple furrow-opening cutter blades（18）、
One or more Rotary tillage blades（19）, cutterhead（21）；The cutterhead（21）Mounted on cutter shaft（2）On, the cutterhead（21）It is interior
Outer surface is equipped with multiple furrow-opening cutter blades（18）, the Rotary tillage blade（19）Mounted on cutterhead（21）Inner surface；It is wherein described
Furrow-opening cutter blade（18）To away from gearbox（1）Direction bending, the Rotary tillage blade（19）To towards gearbox（1）Direction it is curved
It is bent.
10. it to be used for the actuating unit of mini-tiller as described in claim 1, it is characterised in that：The traveling wheel（23）It is
The circle formed by bar bending equidistantly welds multiple rectangle steel plates in outer circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496407.8A CN108207135A (en) | 2017-12-31 | 2017-12-31 | For the actuating unit of mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496407.8A CN108207135A (en) | 2017-12-31 | 2017-12-31 | For the actuating unit of mini-tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108207135A true CN108207135A (en) | 2018-06-29 |
Family
ID=62642415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711496407.8A Withdrawn CN108207135A (en) | 2017-12-31 | 2017-12-31 | For the actuating unit of mini-tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108207135A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108934212A (en) * | 2018-08-31 | 2018-12-07 | 合肥桴槎山软籽石榴研发有限公司 | A kind of agricultural planting machine soil crushing device |
| CN112673756A (en) * | 2021-01-15 | 2021-04-20 | 湖南农夫机电有限公司 | Agricultural soil perforating device |
| CN114698451A (en) * | 2022-05-10 | 2022-07-05 | 海南广陵高科实业有限公司 | Fertilizer injection unit is used in breeding based on 5G wisdom agricultural technique |
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Application publication date: 20180629 |