CN205408463U - Mini -tiller - Google Patents
Mini -tiller Download PDFInfo
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- CN205408463U CN205408463U CN201521034623.7U CN201521034623U CN205408463U CN 205408463 U CN205408463 U CN 205408463U CN 201521034623 U CN201521034623 U CN 201521034623U CN 205408463 U CN205408463 U CN 205408463U
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Abstract
The utility model discloses a mini -tiller, including the frame, be equipped with engine, gearbox and resistance stick in this frame, wherein the resistance stick is fixed the rear portion of frame, the engine with the gearbox is connected be connected with the oil tank on the engine the gearbox below is equipped with the walking case. Technical scheme more than adopting, novel structure, design benefit possess high durability, four are god forward and keep off the position and be applicable to the various farming conditions of production and environment with two exit velocities that keep off the position that reverse gear, multiple instruments such as output claw dish stretches out back joinable rotary cultivator, the pump of spraying, greatly increased the practicality.
Description
Technical field
This utility model belongs to agricultural machinery technological field, is specifically related to a kind of tiller.
Background technology
Tiller, with small diesel engine or gasoline engine as power, has lightweight, the features such as volume is little, simple in construction.Tiller is widely used in Plain, mountain area, the nonirrigated farmland on hills, paddy field, orchard etc..Mix corresponding facility to carry out drawing water, generate electricity, spray the operation such as medicine, spray, also can draw towed vehicle and carry out short-distance transport, tiller freely can be exercised in field, user-friendly and deposit, eliminate large-scale farm machinery and cannot be introduced into the worry of mountain area field, be vast farmers consumer substitute cattle plough optimum selection.
Only being joined directly together by ring flange between electromotor and the change speed gear box of tradition tiller, power is directly delivered in change speed gear box by a main shaft, and change speed gear box is respectively integrated with walking case, has main shaft, countershaft, reverse gear shaft, three kinds of axles in change speed gear box.By stirring the duplex spur gear position on main shaft, reverse gear shaft, can realize keeping off soon, keeping off slowly and reverse gear, gear is few, thus the advance of tiller is relative with the speed fallen back single, especially reverse gear only one of which, there is significant limitation in actual farming, it is impossible to meet and produce actual needs.Solve problem above and become the task of top priority.
Utility model content
For solving above technical problem, this utility model provides a kind of novel structure, designs ingenious, adds a kind of tiller of one times of gear.
For achieving the above object, technical solutions of the utility model are as follows:
A kind of tiller, including frame (E), it is characterized by: be provided with electromotor (F) in this frame (E), change speed gear box (A) and resistance rod (G), wherein resistance rod (G) is fixed on the rear portion of described frame (E), described electromotor (F) and described change speed gear box (A) connect, fuel tank (H) is had in the upper connection of described electromotor (F), it is provided with walking case (B) in described change speed gear box (A) lower section, described change speed gear box (A) includes gear box casing (1), main shaft (2) and countershaft (3) it is provided with in this gear box casing (1)；nullDescribed main shaft (2) includes arranging the first main shaft (21) on the same line and the second main shaft (22)，The either end of this first main shaft (21) is connected with the either end kink of described second main shaft (22)，Described first main shaft (21) is set with input gear (23)，This input gear (23) can slide axially along described first main shaft (21)，It is installed with the first master gear (24) near one end of described first main shaft (21) described second main shaft (22)，Described second main shaft (22) is set with the second master gear (26a) and the 3rd master gear (26b)，Wherein the second master gear (26a) is positioned between described first master gear (24) and described 3rd master gear (26b)，Fixing connection between described second master gear (26a) and the 3rd master gear (26b)，Form main shaft duplicate gear (26)，This main shaft duplicate gear (26) can slide axially along described second main shaft (22)，It is set with output pawl dish (9) away from one end of described first main shaft (21) described second main shaft (22)，This output pawl dish (9) can slide axially along described second main shaft (22)，Described input gear (23) is provided with the first clutch tooth (25)，Described first master gear (24) is provided with the second clutch tooth (27)；nullDescribed countershaft (3) includes the first countershaft (3A1) and the second countershaft (3B1)，This first countershaft (3A1)、Described second countershaft (3B1) and described main shaft (2) three are parallel to each other，The upper kink of first countershaft (3A1) has the first pinion (3A21) and the second pinion (3A22) wherein，Fixing connection between this first pinion (3A21) and described second pinion (3A22)，Form countershaft duplicate gear (3A2)，Described first countershaft (3A1) is installed with and keeps off driven gear (3A3) soon and keep off driven gear (3A4) slowly，Described fast gear driven gear (3A3) is positioned at countershaft duplicate gear (3A2) and keeps off slowly between driven gear (3A4)，Either end at the first countershaft (3A1) is provided with the first bevel gear (4)，Reverse gear (3B3) is had at the upper kink of described second countershaft (3B1)；nullDescribed second pinion (3A22) is engaged with described first master gear (24)，Described input gear (23) along described first main shaft (21) slide axially time，Make this input gear (23) and described first pinion (3A21) engagement，Or make described first clutch tooth (25) and described second clutch tooth (27) engagement，Described main shaft duplicate gear (26) along the second main shaft (22) slide axially time，Make described second master gear (26a) and the engagement of described fast gear driven gear (3A3)，Or make described 3rd master gear (26b) and the engagement of described slow gear driven gear (3A4)，When described main shaft duplicate gear (26) is positioned between described fast gear driven gear (3A3) and described slow gear driven gear (3A4)，Described reverse gear (3B3) is slid axially along described second countershaft (3B1)，Make described reverse gear (3B3) engage with described 3rd master gear (26b) and described slow gear driven gear (3A4) simultaneously；Described walking case (B) includes tank shell (B1) of walking, orthogonal power transmission shaft (B2) and output shaft (B6) it is provided with in this walking tank shell (B1), wherein the two ends of output shaft (B6) pass described walking tank shell (B1) the most respectively, described output shaft (B6) is installed with the 4th bevel gear (B5), either end at described power transmission shaft (B2) is installed with the second bevel gear (B3), this second bevel gear (B3) engages with described first bevel gear (4), the other end at described power transmission shaft (B2) is installed with third hand tap gear (B4), this third hand tap gear (B4) engages with described 4th bevel gear (B5).
Use above structure, novel structure, design ingenious, have high ruggedness, there are four forward gear gears and two gears that reverse gear simultaneously, the most traditional tiller adds one times, the output speed of different gears is applicable to the various farming condition of production and environment, meets and produces actual needs, and, output pawl dish (9) can connect the multiple types of tools such as rotary cultivator, atomizing pump after stretching out, thus considerably increases practicality of the present utility model.
As preferably: be provided with the first shifting fork mechanism (6) on described input gear (23), this first shifting fork mechanism (6) includes that axle (62) installed by the first shift fork, the either end installing axle (62) at this first shift fork is provided with the first shifting fork piece (61), described input gear (23) is provided with the first fork slot, described first shifting fork piece (61) stretches into this first fork slot, described input gear (23) is promoted to slide along the first main shaft (21), the other end connection installing axle (62) at described first shift fork has the first rocking arm to install axle (63), this first rocking arm is installed axle (63) and is passed described gear box casing (1) and connect afterwards and have the first rocking arm (64).Use above structure, simple and reliable for structure, it is simple to operation.
As preferably: be provided with the second shifting fork mechanism (7) on described main shaft duplicate gear (26), this second shifting fork mechanism (7) includes that axle (72) installed by the second shift fork, the either end installing axle (72) at this second shift fork is provided with the second shifting fork piece (71), this second shifting fork piece (71) stretches between described second master gear (26a) and the 3rd master gear (26b), described main shaft duplicate gear (26) is promoted to slide along the second main shaft (22), installing the upper connection of axle (72) at described second shift fork has reset rocking bar to install axle (73), this reset rocking bar is installed axle (73) and is passed described gear box casing (1) and connect afterwards and have reduction torsion spring drag-line rocking bar (74).Use above structure, simple and reliable for structure, it is simple to operation.
nullAs being preferably installed with reverse gear mounting seat (3B2) on described second countershaft (3B1)，Described reverse gear (3B3) is had at the upper kink of this reverse gear mounting seat (3B2)，Described reverse gear mounting seat (3B2) is provided with the 3rd shifting fork mechanism (8)，3rd shifting fork mechanism (8) includes that axle (82) installed by the 3rd shift fork，The either end installing axle (82) at the 3rd shift fork is provided with the 3rd shifting fork piece (81)，Described second countershaft (3B1) is arranged with reverse gear reseting pressuring spring，This reverse gear reseting pressuring spring and described 3rd shifting fork piece (81) lay respectively at described reverse gear mounting seat (3B2) both sides，Described 3rd shifting fork piece (81) promotes reverse gear (3B3) to slide to reverse gear reseting pressuring spring direction，Described reverse gear reseting pressuring spring reversely promotes reverse gear (3B3) to reset，The other end installing axle (82) at described 3rd shift fork connects rocking arm installation axle (83) that reverses gear，This rocking arm installation axle (83) that reverses gear passes described gear box casing (1) and connects the rocking arm (84) that reverses gear afterwards.Use above structure, simple and reliable for structure, it is simple to operation.
As preferably: be provided with the 4th shifting fork mechanism (5) on described output pawl dish (9), 4th shifting fork mechanism (5) includes that the 4th shift fork installs axle (53) and pressure crusty pancake (54), crusty pancake (54) is wherein pressed to include pressure crusty pancake housing (54a), it is installed with reseting pressuring spring (54b) in this pressure crusty pancake housing (54a), the either end that this reseting pressuring spring (54b) installs axle (53) with described 4th shift fork abuts, the other end connection of axle (53) installed by 4th shift fork the 4th shifting fork piece (52), 4th shifting fork piece (52) abuts with described output pawl dish (9), install at described 4th shift fork and on axle (53), be fixedly connected with drag-line connection seat (51), this drag-line connects the drag-line installation end of seat (51) and passes described gear box casing (1) and connect afterwards and have drag-line.Using above structure, simple and reliable for structure, it is simple to operation, output pawl dish (9) can connect the multiple types of tools such as rotary cultivator, atomizing pump after stretching out.
As preferably: described input gear (23) is connected by spline and described first main shaft (21).Use above structure, simple and reliable for structure, it is achieved input gear (23) slides axially along the first main shaft (21).
As preferably: described main shaft duplicate gear (26) and described second main shaft (22) are connected by spline.Use above structure, simple and reliable for structure, it is achieved main shaft duplicate gear (26) slides axially along the second main shaft (22).
As preferably: be provided with inner chamber described first main shaft (21) near one end of described second main shaft (22), described second main shaft (22) stretches into this inner chamber near one end of described first main shaft (21), and the inserting end of this second main shaft (22) and the cavity wall of described inner chamber are connected by the first needle bearing.Use above structure, make contact surface be become sliding friction from rolling friction, effectively reduce the rate of wear of part.
As preferably: described countershaft duplicate gear (3A2) and described first countershaft (3A1) are connected by the second needle bearing.Use above structure, make contact surface be become sliding friction from rolling friction, effectively reduce the rate of wear of part.
As preferably: described output shaft (B6) and described walking tank shell (B1) are connected by ball bearing.Use above structure, make contact surface be become sliding friction from rolling friction, effectively reduce the rate of wear of part.
Beneficial effect: use a kind of tiller of above technical scheme, novel structure, design ingenious, have high ruggedness, the output speed of four forward gear gears and two gears that reverse gear is applicable to the various farming condition of production and environment, output pawl dish (9) can connect the multiple types of tools such as rotary cultivator, atomizing pump after stretching out, and considerably increases practicality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is change speed gear box A and the connection diagram of walking case B；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is that Fig. 3 is along the profile at C-C；
Fig. 5 is the connection diagram of the drive mechanism of change speed gear box A；
Fig. 6 is the left view of Fig. 5；
Fig. 7 is that Fig. 6 is along the profile at D-D；
Fig. 8 is output pawl dish 9 and the connection diagram of the 4th shifting fork mechanism 5.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
As Figure 1-4, a kind of tiller, including frame E, being provided with electromotor F, change speed gear box A and resistance rod G in this frame E, wherein resistance rod G is fixed on the rear portion of described frame E, described electromotor F and described change speed gear box A connection, described electromotor F connects and has fuel tank H, below described change speed gear box A, it is provided with walking case B, described change speed gear box A includes gear box casing 1, in this gear box casing 1, be provided with main shaft 2 and countershaft 3.
nullRefer to Fig. 4-7，Described main shaft 2 includes the first main shaft 21 and the second main shaft 22 arranged on the same line，The either end of this first main shaft 21 is connected with the either end kink of described second main shaft 22，I.e. it is provided with inner chamber at described first main shaft 21 near one end of described second main shaft 22，Described second main shaft 22 stretches into this inner chamber near one end of described first main shaft 21，The inserting end of this second main shaft 22 and the cavity wall of described inner chamber are connected by the first needle bearing，Described first main shaft 21 is set with input gear 23，This input gear 23 can slide axially along described first main shaft 21，The most described input gear 23 and described first main shaft 21 are connected by spline，It is installed with the first master gear 24 near one end of described first main shaft 21 at described second main shaft 22，Described second main shaft 22 is set with the second master gear 26a and the 3rd master gear 26b，Wherein the second master gear 26a is between described first master gear 24 and described 3rd master gear 26b，Fixing connection between described second master gear 26a and the 3rd master gear 26b，Form main shaft duplicate gear 26，This main shaft duplicate gear 26 can slide axially along described second main shaft 22，The most described main shaft duplicate gear 26 and described second main shaft 22 are connected by spline，It is set with output pawl dish 9 away from one end of described first main shaft 21 at described second main shaft 22，This output pawl dish 9 can slide axially along described second main shaft 22，Described input gear 23 is provided with the first clutch tooth 25，Described first master gear 24 is provided with the second clutch tooth 27.
nullPlease participate in Fig. 5-7，Described countershaft 3 includes the first countershaft 3A1 and the second countershaft 3B1，This first countershaft 3A1、Described second countershaft 3B1 and described main shaft 2 three are parallel to each other，On first countershaft 3A1, kink has the first pinion 3A21 and the second pinion 3A22 wherein，Fixing connection between this first pinion 3A21 and described second pinion 3A22，Form countershaft duplicate gear 3A2，The most described countershaft duplicate gear 3A2 and described first countershaft 3A1 is connected by the second needle bearing，Described first countershaft 3A1 is installed with fast gear driven gear 3A3 and slow gear driven gear 3A4，Described fast gear driven gear 3A3 is between countershaft duplicate gear 3A2 and slow gear driven gear 3A4，Either end at the first countershaft 3A1 is provided with the first bevel gear 4，On described second countershaft 3B1, kink has reverse gear 3B3.
nullRefer to Fig. 7，Described second pinion 3A22 engages with described first master gear 24，Described input gear 23 along described first main shaft 21 slide axially time，Make this input gear 23 and described first pinion 3A21 engagement，Or make described first clutch tooth 25 and described second clutch tooth 27 engage，Described main shaft duplicate gear 26 along the second main shaft 22 slide axially time，Make described second master gear 26a and described fast gear driven gear 3A3 engagement，Or make described 3rd master gear 26b and described slow gear driven gear 3A4 engagement，When described main shaft duplicate gear 26 is between described fast gear driven gear 3A3 and described slow gear driven gear 3A4，Described reverse gear 3B3 is slid axially along described second countershaft 3B1，Make described reverse gear 3B3 engage with described 3rd master gear 26b and described slow gear driven gear 3A4 simultaneously.
As in Figure 2-4, described walking case B includes the tank shell B1 that walks, it is provided with orthogonal power transmission shaft B2 and output shaft B6 in this walking tank shell B1, wherein the two ends of output shaft B6 pass described walking tank shell B1 the most respectively, described output shaft B6 is connected by ball bearing and described walking tank shell B1, described output shaft B6 is installed with the 4th bevel gear B5, either end at described power transmission shaft B2 is installed with the second bevel gear B3, this the second bevel gear B3 engages with described first bevel gear 4, the other end at described power transmission shaft B2 is installed with third hand tap gear B4, this third hand tap gear B4 engages with described 4th bevel gear B5.
Such as Fig. 3, shown in Fig. 5 and Fig. 6, described input gear (23) is provided with the first shifting fork mechanism (6), this first shifting fork mechanism (6) includes that axle (62) installed by the first shift fork, the either end installing axle (62) at this first shift fork is provided with the first shifting fork piece (61), described input gear (23) is provided with the first fork slot, described first shifting fork piece (61) stretches into this first fork slot, described input gear (23) is promoted to slide along the first main shaft (21), the other end connection installing axle (62) at described first shift fork has the first rocking arm to install axle (63), this first rocking arm is installed axle (63) and is passed described gear box casing (1) and connect afterwards and have the first rocking arm (64).
Such as Fig. 3, shown in Fig. 5 and Fig. 6, described main shaft duplicate gear (26) is provided with the second shifting fork mechanism (7), this second shifting fork mechanism (7) includes that axle (72) installed by the second shift fork, the either end installing axle (72) at this second shift fork is provided with the second shifting fork piece (71), this second shifting fork piece (71) stretches between described second master gear (26a) and the 3rd master gear (26b), described main shaft duplicate gear (26) is promoted to slide along the second main shaft (22), installing the upper connection of axle (72) at described second shift fork has reset rocking bar to install axle (73), this reset rocking bar is installed axle (73) and is passed described gear box casing (1) and connect afterwards and have reduction torsion spring drag-line rocking bar (74).
nullSuch as Fig. 3、Shown in Fig. 5 and Fig. 6，Described second countershaft (3B1) is installed with reverse gear mounting seat (3B2)，Described reverse gear (3B3) is had at the upper kink of this reverse gear mounting seat (3B2)，Described reverse gear mounting seat (3B2) is provided with the 3rd shifting fork mechanism (8)，3rd shifting fork mechanism (8) includes that axle (82) installed by the 3rd shift fork，The either end installing axle (82) at the 3rd shift fork is provided with the 3rd shifting fork piece (81)，Described second countershaft (3B1) is arranged with reverse gear reseting pressuring spring，This reverse gear reseting pressuring spring and described 3rd shifting fork piece (81) lay respectively at described reverse gear mounting seat (3B2) both sides，Described 3rd shifting fork piece (81) promotes reverse gear (3B3) to slide to reverse gear reseting pressuring spring direction，Described reverse gear reseting pressuring spring reversely promotes reverse gear (3B3) to reset，The other end installing axle (82) at described 3rd shift fork connects rocking arm installation axle (83) that reverses gear，This rocking arm installation axle (83) that reverses gear passes described gear box casing (1) and connects the rocking arm (84) that reverses gear afterwards.
As shown in Figure 4 and Figure 8, described output pawl dish 9 is provided with the 4th shifting fork mechanism 5, 4th shifting fork mechanism 5 includes that the 4th shift fork installs axle 53 and pressure crusty pancake 54, wherein pressure crusty pancake 54 includes pressure crusty pancake housing 54a, it is installed with reseting pressuring spring 54b in this pressure crusty pancake housing 54a, the either end that this reseting pressuring spring 54b installs axle 53 with described 4th shift fork abuts, the other end connection of axle 53 installed by 4th shift fork the 4th shifting fork piece 52, 4th shifting fork piece 52 abuts with described output pawl dish 9, install at described 4th shift fork and on axle 53, be fixedly connected with drag-line connection seat 51, the drag-line installation end of this drag-line connection seat 51 connects after passing described gear box casing 1 drag-line.
nullWhen low speed keeps off advance slowly，First shifting fork piece 61 drives input gear 23 to slide axially，Input gear 23 and the first pinion 3A21 is made to engage，First main shaft 21 drives input gear 23 to rotate，Input gear 23 drives countershaft duplicate gear 3A2 to rotate，Countershaft duplicate gear 3A2 drives the first master gear 24 to rotate，First master gear 24 drives the second main shaft 22 to rotate，Second main shaft 22 drives main shaft duplicate gear 26 and output pawl dish 9 to rotate，Second shifting fork piece 71 drives main shaft duplicate gear 26 to slide axially，Make the 3rd master gear 26b and slow gear driven gear 3A4 engagement，Main shaft duplicate gear 26 drives slow gear driven gear 3A4 to rotate，Slow gear driven gear 3A4 drives the first countershaft 3A1 to rotate，First countershaft 3A1 drives the first bevel gear 4 to rotate，First bevel gear 4 drives the second bevel gear B3 to rotate，Second bevel gear B3 drives power transmission shaft B2 to rotate，Power transmission shaft B2 drives third hand tap gear B4 to rotate，Third hand tap gear B4 drives the 4th bevel gear B5 to rotate，Last 4th bevel gear B5 drives output shaft B6 to rotate，Output shaft B6 can connect road wheel or cutter.
nullWhen low speed keeps off advance soon，First shifting fork piece 61 drives input gear 23 to slide axially，Input gear 23 and the first pinion 3A21 is made to engage，First main shaft 21 drives input gear 23 to rotate，Input gear 23 drives countershaft duplicate gear 3A2 to rotate，Countershaft duplicate gear 3A2 drives the first master gear 24 to rotate，First master gear 24 drives the second main shaft 22 to rotate，Second main shaft 22 drives main shaft duplicate gear 26 and output pawl dish 9 to rotate，Second shifting fork piece 71 drives main shaft duplicate gear 26 to slide axially，Make the second master gear 26a and fast gear driven gear 3A3 engagement，Main shaft duplicate gear 26 drives fast gear driven gear 3A3 to rotate，Fast gear driven gear 3A3 drives the first countershaft 3A1 to rotate，First countershaft 3A1 drives the first bevel gear 4 to rotate，First bevel gear 4 drives the second bevel gear B3 to rotate，Second bevel gear B3 drives power transmission shaft B2 to rotate，Power transmission shaft B2 drives third hand tap gear B4 to rotate，Third hand tap gear B4 drives the 4th bevel gear B5 to rotate，Last 4th bevel gear B5 drives output shaft B6 to rotate，Output shaft B6 can connect road wheel or cutter.
nullWhen low speed reverses gear，First shifting fork piece 61 drives input gear 23 to slide axially，Input gear 23 and the first pinion 3A21 is made to engage，First main shaft 21 drives input gear 23 to rotate，Input gear 23 drives countershaft duplicate gear 3A2 to rotate，Countershaft duplicate gear 3A2 drives the first master gear 24 to rotate，First master gear 24 drives the second main shaft 22 to rotate，Second main shaft 22 drives main shaft duplicate gear 26 and output pawl dish 9 to rotate，Second shifting fork piece 71 drives main shaft duplicate gear 26 to slide axially，Make the second master gear 26a between fast gear driven gear 3A3 and slow gear driven gear 3A4，Then the 3rd shifting fork piece 81 drives reverse gear mounting seat 3B2 to slide along the second countershaft 3B1，The reverse gear 3B3 making kink in reverse gear mounting seat 3B2 engages with the 3rd master gear 26b and slow gear driven gear 3A4 simultaneously，Now the 3rd master gear 26b drives reverse gear 3B3 to rotate，Reverse gear 3B3 drives slow gear driven gear 3A4 to rotate，Slow gear driven gear 3A4 drives the first countershaft 3A1 to rotate，First countershaft 3A1 drives the first bevel gear 4 to rotate，First bevel gear 4 drives the second bevel gear B3 to rotate，Second bevel gear B3 drives power transmission shaft B2 to rotate，Power transmission shaft B2 drives third hand tap gear B4 to rotate，Third hand tap gear B4 drives the 4th bevel gear B5 to rotate，Last 4th bevel gear B5 drives output shaft B6 to rotate，Output shaft B6 can connect road wheel or cutter.
nullWhen the slowest gear advances，First shifting fork piece 61 drives input gear 23 to slide axially，Make input gear 23 and the first pinion 3A21 separately，Input gear 23 is connected by spline with the first master gear 24，First main shaft 21 drives input gear 23 to rotate，Input gear 23 drives the second main shaft 22 to rotate，Second main shaft 22 drives the first master gear 24、Main shaft duplicate gear 26 and output pawl dish 9 rotate，First master gear 24 drives countershaft duplicate gear 3A2 to dally，Second shifting fork piece 71 drives main shaft duplicate gear 26 to slide axially，Make the 3rd master gear 26b and slow gear driven gear 3A4 engagement，Main shaft duplicate gear 26 drives slow gear driven gear 3A4 to rotate，Slow gear driven gear 3A4 drives the first countershaft 3A1 to rotate，First countershaft 3A1 drives the first bevel gear 4 to rotate，First bevel gear 4 drives the second bevel gear B3 to rotate，Second bevel gear B3 drives power transmission shaft B2 to rotate，Power transmission shaft B2 drives third hand tap gear B4 to rotate，Third hand tap gear B4 drives the 4th bevel gear B5 to rotate，Last 4th bevel gear B5 drives output shaft B6 to rotate，Output shaft B6 can connect road wheel or cutter.
nullWhen the fastest gear advances，First shifting fork piece 61 drives input gear 23 to slide axially，Make input gear 23 and the first pinion 3A21 separately，Input gear 23 is connected by spline with the first master gear 24，First main shaft 21 drives input gear 23 to rotate，Input gear 23 drives the second main shaft 22 to rotate，Second main shaft 22 drives the first master gear 24、Main shaft duplicate gear 26 and output pawl dish 9 rotate，First master gear 24 drives countershaft duplicate gear 3A2 to dally，Second shifting fork piece 71 drives main shaft duplicate gear 26 to slide axially，Make the second master gear 26a and fast gear driven gear 3A3 engagement，Main shaft duplicate gear 26 drives fast gear driven gear 3A3 to rotate，Fast gear driven gear 3A3 drives the first countershaft 3A1 to rotate，First countershaft 3A1 drives the first bevel gear 4 to rotate，First bevel gear 4 drives the second bevel gear B3 to rotate，Second bevel gear B3 drives power transmission shaft B2 to rotate，Power transmission shaft B2 drives third hand tap gear B4 to rotate，Third hand tap gear B4 drives the 4th bevel gear B5 to rotate，Last 4th bevel gear B5 drives output shaft B6 to rotate，Output shaft B6 can connect road wheel or cutter.
nullWhen reversing gear at a high speed，First shifting fork piece 61 drives input gear 23 to slide axially，Make input gear 23 and the first pinion 3A21 separately，Input gear 23 is connected by spline with the first master gear 24，First main shaft 21 drives input gear 23 to rotate，Input gear 23 drives the second main shaft 22 to rotate，Second main shaft 22 drives the first master gear 24、Main shaft duplicate gear 26 and output pawl dish 9 rotate，First master gear 24 drives countershaft duplicate gear 3A2 to dally，Second shifting fork piece 71 drives main shaft duplicate gear 26 to slide axially，Make the second master gear 26a between fast gear driven gear 3A3 and slow gear driven gear 3A4，Then the 3rd shifting fork piece 81 drives reverse gear mounting seat 3B2 to slide along the second countershaft 3B1，The reverse gear 3B3 making kink in reverse gear mounting seat 3B2 engages with the 3rd master gear 26b and slow gear driven gear 3A4 simultaneously，Now the 3rd master gear 26b drives reverse gear 3B3 to rotate，Reverse gear 3B3 drives slow gear driven gear 3A4 to rotate，Slow gear driven gear 3A4 drives the first countershaft 3A1 to rotate，First countershaft 3A1 drives the first bevel gear 4 to rotate，First bevel gear 4 drives the second bevel gear B3 to rotate，Second bevel gear B3 drives power transmission shaft B2 to rotate，Power transmission shaft B2 drives third hand tap gear B4 to rotate，Third hand tap gear B4 drives the 4th bevel gear B5 to rotate，Last 4th bevel gear B5 drives output shaft B6 to rotate，Output shaft B6 can connect road wheel or cutter.
Finally need explanation; foregoing description is only preferred embodiment of the present utility model; those skilled in the art is under enlightenment of the present utility model; on the premise of this utility model objective and claim; represent, within such conversion each falls within protection domain of the present utility model as can making multiple types.
Claims (10)
1. a tiller, including frame (E), it is characterized in that: in this frame (E), be provided with electromotor (F), change speed gear box (A) and resistance rod (G), wherein resistance rod (G) is fixed on the rear portion of described frame (E), described electromotor (F) and described change speed gear box (A) connect, fuel tank (H) is had in the upper connection of described electromotor (F), it is provided with walking case (B) in described change speed gear box (A) lower section, described change speed gear box (A) includes gear box casing (1), main shaft (2) and countershaft (3) it is provided with in this gear box casing (1)；
nullDescribed main shaft (2) includes arranging the first main shaft (21) on the same line and the second main shaft (22)，The either end of this first main shaft (21) is connected with the either end kink of described second main shaft (22)，Described first main shaft (21) is set with input gear (23)，This input gear (23) can slide axially along described first main shaft (21)，It is installed with the first master gear (24) near one end of described first main shaft (21) described second main shaft (22)，Described second main shaft (22) is set with the second master gear (26a) and the 3rd master gear (26b)，Wherein the second master gear (26a) is positioned between described first master gear (24) and described 3rd master gear (26b)，Fixing connection between described second master gear (26a) and the 3rd master gear (26b)，Form main shaft duplicate gear (26)，This main shaft duplicate gear (26) can slide axially along described second main shaft (22)，It is set with output pawl dish (9) away from one end of described first main shaft (21) described second main shaft (22)，This output pawl dish (9) can slide axially along described second main shaft (22)，Described input gear (23) is provided with the first clutch tooth (25)，Described first master gear (24) is provided with the second clutch tooth (27)；
nullDescribed countershaft (3) includes the first countershaft (3A1) and the second countershaft (3B1)，This first countershaft (3A1)、Described second countershaft (3B1) and described main shaft (2) three are parallel to each other，The upper kink of first countershaft (3A1) has the first pinion (3A21) and the second pinion (3A22) wherein，Fixing connection between this first pinion (3A21) and described second pinion (3A22)，Form countershaft duplicate gear (3A2)，Described first countershaft (3A1) is installed with and keeps off driven gear (3A3) soon and keep off driven gear (3A4) slowly，Described fast gear driven gear (3A3) is positioned at countershaft duplicate gear (3A2) and keeps off slowly between driven gear (3A4)，Either end at the first countershaft (3A1) is provided with the first bevel gear (4)，Reverse gear (3B3) is had at the upper kink of described second countershaft (3B1)；
nullDescribed second pinion (3A22) is engaged with described first master gear (24)，Described input gear (23) along described first main shaft (21) slide axially time，Make this input gear (23) and described first pinion (3A21) engagement，Or make described first clutch tooth (25) and described second clutch tooth (27) engagement，Described main shaft duplicate gear (26) along the second main shaft (22) slide axially time，Make described second master gear (26a) and the engagement of described fast gear driven gear (3A3)，Or make described 3rd master gear (26b) and the engagement of described slow gear driven gear (3A4)，When described main shaft duplicate gear (26) is positioned between described fast gear driven gear (3A3) and described slow gear driven gear (3A4)，Described reverse gear (3B3) is slid axially along described second countershaft (3B1)，Make described reverse gear (3B3) engage with described 3rd master gear (26b) and described slow gear driven gear (3A4) simultaneously；
Described walking case (B) includes tank shell (B1) of walking, orthogonal power transmission shaft (B2) and output shaft (B6) it is provided with in this walking tank shell (B1), wherein the two ends of output shaft (B6) pass described walking tank shell (B1) the most respectively, described output shaft (B6) is installed with the 4th bevel gear (B5), either end at described power transmission shaft (B2) is installed with the second bevel gear (B3), this second bevel gear (B3) engages with described first bevel gear (4), the other end at described power transmission shaft (B2) is installed with third hand tap gear (B4), this third hand tap gear (B4) engages with described 4th bevel gear (B5).
A kind of tiller the most according to claim 1, it is characterized in that: the first shifting fork mechanism (6) is installed on described input gear (23), this first shifting fork mechanism (6) includes that axle (62) installed by the first shift fork, the either end installing axle (62) at this first shift fork is provided with the first shifting fork piece (61), described input gear (23) is provided with the first fork slot, described first shifting fork piece (61) stretches into this first fork slot, described input gear (23) is promoted to slide along the first main shaft (21), the other end connection installing axle (62) at described first shift fork has the first rocking arm to install axle (63), this first rocking arm is installed axle (63) and is passed described gear box casing (1) and connect afterwards and have the first rocking arm (64).
A kind of tiller the most according to claim 1 and 2, it is characterized in that: on described main shaft duplicate gear (26), the second shifting fork mechanism (7) is installed, this second shifting fork mechanism (7) includes that axle (72) installed by the second shift fork, the either end installing axle (72) at this second shift fork is provided with the second shifting fork piece (71), this second shifting fork piece (71) stretches between described second master gear (26a) and the 3rd master gear (26b), described main shaft duplicate gear (26) is promoted to slide along the second main shaft (22), installing the upper connection of axle (72) at described second shift fork has reset rocking bar to install axle (73), this reset rocking bar is installed axle (73) and is passed described gear box casing (1) and connect afterwards and have reduction torsion spring drag-line rocking bar (74).
nullA kind of tiller the most according to claim 3，It is characterized in that: on described second countershaft (3B1), be installed with reverse gear mounting seat (3B2)，Described reverse gear (3B3) is had at the upper kink of this reverse gear mounting seat (3B2)，Described reverse gear mounting seat (3B2) is provided with the 3rd shifting fork mechanism (8)，3rd shifting fork mechanism (8) includes that axle (82) installed by the 3rd shift fork，The either end installing axle (82) at the 3rd shift fork is provided with the 3rd shifting fork piece (81)，Described second countershaft (3B1) is arranged with reverse gear reseting pressuring spring，This reverse gear reseting pressuring spring and described 3rd shifting fork piece (81) lay respectively at described reverse gear mounting seat (3B2) both sides，Described 3rd shifting fork piece (81) promotes reverse gear (3B3) to slide to reverse gear reseting pressuring spring direction，Described reverse gear reseting pressuring spring reversely promotes reverse gear (3B3) to reset，The other end installing axle (82) at described 3rd shift fork connects rocking arm installation axle (83) that reverses gear，This rocking arm installation axle (83) that reverses gear passes described gear box casing (1) and connects the rocking arm (84) that reverses gear afterwards.
null5. according to claim 1、2、4 arbitrary described a kind of tillers，It is characterized in that: on described output pawl dish (9), be provided with the 4th shifting fork mechanism (5)，4th shifting fork mechanism (5) includes that the 4th shift fork installs axle (53) and pressure crusty pancake (54)，Crusty pancake (54) is wherein pressed to include pressure crusty pancake housing (54a)，It is installed with reseting pressuring spring (54b) in this pressure crusty pancake housing (54a)，The either end that this reseting pressuring spring (54b) installs axle (53) with described 4th shift fork abuts，The other end connection of axle (53) installed by 4th shift fork the 4th shifting fork piece (52)，4th shifting fork piece (52) abuts with described output pawl dish (9)，Install at described 4th shift fork and on axle (53), be fixedly connected with drag-line connection seat (51)，This drag-line connects the drag-line installation end of seat (51) and passes described gear box casing (1) and connect afterwards and have drag-line.
6. according to the arbitrary described a kind of tiller of claim 1,2,4, it is characterised in that: described input gear (23) and described first main shaft (21) are connected by spline.
7. according to the arbitrary described a kind of tiller of claim 1,2,4, it is characterised in that: described main shaft duplicate gear (26) and described second main shaft (22) are connected by spline.
8. according to the arbitrary described a kind of tiller of claim 1,2,4, it is characterized in that: be provided with inner chamber described first main shaft (21) near one end of described second main shaft (22), described second main shaft (22) stretches into this inner chamber near one end of described first main shaft (21), and the inserting end of this second main shaft (22) and the cavity wall of described inner chamber are connected by the first needle bearing.
9. according to the arbitrary described a kind of tiller of claim 1,2,4, it is characterised in that: described countershaft duplicate gear (3A2) and described first countershaft (3A1) are connected by the second needle bearing.
10. according to the arbitrary described a kind of tiller of claim 1,2,4, it is characterised in that: described output shaft (B6) and described walking tank shell (B1) are connected by ball bearing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034623.7U CN205408463U (en) | 2015-12-14 | 2015-12-14 | Mini -tiller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034623.7U CN205408463U (en) | 2015-12-14 | 2015-12-14 | Mini -tiller |
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| CN205408463U true CN205408463U (en) | 2016-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105340381A (en) * | 2015-12-14 | 2016-02-24 | 威马农业机械有限公司 | Novel mini-tiller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105340381A (en) * | 2015-12-14 | 2016-02-24 | 威马农业机械有限公司 | Novel mini-tiller |
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