CN201078888Y

CN201078888Y - Positive and reverse turning transmission device for tillage knife wheel

Info

Publication number: CN201078888Y
Application number: CNU2007201563019U
Authority: CN
Inventors: 何景仁
Original assignee: CHANGWEI INDUSTRY Co Ltd
Current assignee: CHANGWEI INDUSTRY Co Ltd
Priority date: 2007-07-12
Filing date: 2007-07-12
Publication date: 2008-07-02
Anticipated expiration: 2017-07-12

Abstract

A positive and inverted steering drive mechanism of a ploughing bladewheel comprises a power unit driven by the power of an engine of a farm tractor, a clutch unit, a positive steering gear unit, an inverted steering gear unit, a drive unit which can be driven by the positive steering and the inverted steering gear units, and two plough blade wheels driven by the drive unit. The design that the clutch unit can be selectively clamped and occluded with the positive/ inverted steering gear unit is utilized, so as to drive the plough blade wheels to generate positive and inverted steering switch, by matching with a way that the plough blade wheels are caused to perform position switch along with the steering of the plough blade wheels, the whole of the utility model can reach the efficacy such as simplified structure, easy and simple operation/maintenance, energy and electricity saving, good function and characteristic and convenient usage, etc.

Description

Cultivated break bar just reverses to transmission device

Technical field

The utility model relates to a kind of cultivated break bar transmission device of agricultural ploughing machine, is meant that especially a kind of cultivated break bar just reverses to transmission device.

Background technology

As Fig. 1～shown in Figure 3, the cultivated break bar transmission device 1 of one existing agricultural ploughing machine, be that the shell block 11, that comprises a hollow is placed through in this shell block 11 and the power unit 12, that driven by engine power is placed in this shell block 11 and the break-in unit 13, that can be driven in this power unit 12 is placed in this shell block 11 and be driven in the gear unit 14 of this break-in unit 13, and two are arranged at the two opposite sides of this shell block 11 and are driven in the cultivated break bar 15 of this gear unit 14.

This power unit 12 has one and is subjected to engine power drive and permanent line shaft 121, a cover that rotates toward a positive veer (shown in the counterclockwise arrow among Fig. 1) to be fixed in the driving gear 122 on this line shaft 121, and one is meshed in the driven gear 123 of this driving gear 122.

This gear unit 14 have one be placed in power transmission shaft 141, in this shell block 11 run through this shell block 11 and its opposite end portion respectively the position the break bar axle 142, two of the two opposite sides of this shell block 11 respectively cover be fixed in sprocket wheel 143 on this power transmission shaft 141 and this break bar axle 142, one around and the chain 145 of this two sprocket wheel 143 of interlock, and a cover is fixed on this power transmission shaft 141 and with this sprocket wheel 143 travelling gear 146 separately.This two cultivated break bar 15 is to be arranged at respectively in the opposite end portion of this break bar axle 142.

But this break-in unit 13 have one for the first solid break-in axle 131, of this driven gear 123 covers be interval in the second break-in axle 132 of this first break-in axle 131, an axial slip be sheathed on that change gear group 133, a cover on this first break-in axle 131 is fixed in that first on this second break-in axle 132 reverses that gear 134, a cover are fixed on this second break-in axle 132 and with the travelling gear 146 of this gear unit 14 second reverse gear 135 of bridle joint mutually, and one in order to control the driving lever 136 that this change gear group 133 moves.This change gear group 133 is can be relative to this first break-in axle 131 putting in a positive transposition and one to reverse between the position and move, and has a forward gear 137, and a reverse gear 138; When (see figure 1) was put in this positive transposition, this forward gear 137 was to be meshed with the travelling gear 146 of this gear unit 14; When this reversed the position (see figure 2), this forward gear 137 was to break away from this travelling gear 146, and this reverse gear 138 is to be meshed with this first reverse gear 134.

Therefore, when pulling this driving lever 136, when making this change gear group 133 be displaced downwardly to this positive transposition to put, this forward gear 137 is to be meshed with the travelling gear 146 of this gear unit 14; At this moment, engine power can be via the interlock in regular turn of this line shaft 121, this driving gear 122, this driven gear 123, this first break-in axle 131 and this forward gear 137 etc., and must be passed to this travelling gear 146, and order about this travelling gear 146, this power transmission shaft 141, this two sprocket wheel 143 and this break bar axle 142 etc. and all be and just changeing state, promptly this two to plough break bar 15 be to be forward rotation.On the contrary, when pulling this driving lever 136, make when moving to this reverse position on this change gear group 133, this forward gear 137 is to break away from this travelling gear 146, and this reverse gear 138 is to be meshed with this first reverse gear 134; At this moment, engine power can be via the interlock in regular turn of this line shaft 121, this driving gear 122, this driven gear 123, this reverse gear 138, this first reverse gear 134, this second break-in axle 132 and this second reverse gear 135 etc., and must be passed to this travelling gear 146, and order about this travelling gear 146, this power transmission shaft 141, this sprocket wheel 143 and this break bar axle 142 etc. and all be the reverse state, promptly this two to plough break bar 15 be to be backwards rotation (shown in the clockwise arrow among Fig. 2).

Though, see through the position of these driving lever 136 these change gear groups 133 of control, in the mode that determines to be meshed with this travelling gear 146 or this first reverse gear 138, can reach to make and just plough break bar 15 generations, reverse is to the purpose of conversion, but, the known engagement type clutch mechanism of this relevant dealer, in gear quantity, comparatively complicated in specification and the configuration, with respect to operation, safeguard and adjust all difficulty, numerous so that can produce the bigger dynamic resistance of nibbling because of related gear again, be bound to such an extent that expend more energy source and power overcoming, so, global existence has complex structure, operation/maintenance is difficult for, and problem such as power consumption.

The utility model content

The purpose of this utility model is to provide a kind of snap-in location formula clutch mechanism of utilizing, so that its cultivated break bar can just produce, reverse use, integral body can reach that designs simplification, operation/maintenance are simple and easy, energy saving, functional characteristic is good and the cultivated break bar of effect such as easy-to-use just reverses to transmission device.

Cultivated break bar of the present utility model is just reversing to transmission device, be driven by the engine power of an agricultural ploughing machine, and the gear unit, that just changes that the shell block, a power unit, the gear unit, that comprise a hollow are placed in this shell block is placed in backoff teeth wheel unit, a clutch unit in this shell block, and two plough break bars.This power unit has the line shaft that a level is placed through in this shell block top and rotated towards a positive veer with perseverance by this driven by engine; This line shaft has two opposite pivot segments, and the slippage section between this two pivot segment.This gear unit has a power transmission shaft that is arranged in this shell block, and a level runs through this shell block bottom and is driven in this power transmission shaft with the synchronous homodromal cultivated cutter shaft of energy.This two cultivated break bar is opposite two ends and the difference opposite two side place at this shell block that the position is arranged at this cultivated cutter shaft interchangeably respectively.This is just changeing gear unit and is having the spur gear that odd number can be nibbled in regular turn, and initial spur gear is that pivot is placed on the wherein pivot segment of this line shaft, and final spur gear is that cover is fixed on the end of this power transmission shaft.This backoff teeth wheel unit has the contrary gear that even number can be nibbled in regular turn, and initial contrary gear is that pivot is placed on another pivot segment of this line shaft, and final contrary gear is that cover is fixed on opposite the other end of this power transmission shaft.This clutch unit have one be sheathed on slippingly this line shaft the slippage section and can be with it synchronous homodromal clutch ring piece, this clutch ring piece relatively the positive transposition of this slippage Duan Zaiyi put, a neutral, and move between a reverse position: when this positive transposition is put, this clutch ring piece is to engage with initial this spur gear and can drive it and be and just change, and make final this spur gear, this power transmission shaft and should plough cutter shaft and all just be and change, and each cultivated break bar is that blade just changes towards ground; When this reverses position, this clutch ring piece be with at first should contrary gear engagement and can drive it and be and just change, and make finally should contrary gear, this power transmission shaft all rotates towards a reverse direction with ploughing cutter shaft, and each cultivated break bar is that blade reverses towards ground; When this neutral, this clutch ring piece, at first this spur gear and this to go out contrary gear most be to be separated from each other.

Effect of the present utility model is, utilize this clutch ring piece just changeing the design that gear unit or this backoff teeth wheel unit fasten with this, can just produce, reverse to drive cultivated break bar to conversion, cooperate to make and plough break bar and carry out the mode of location swap with its commutation, integral body can reach that designs simplification, operation/maintenance are simple and easy, energy saving, functional characteristic is good and effect such as easy-to-use.

Description of drawings

Fig. 1 is a front elevational schematic, illustrates that the cultivated break bar transmission device of an existing agricultural ploughing machine is to be in just to change state;

Fig. 2 is a front elevational schematic, illustrates that the cultivated break bar transmission device of this existing agricultural ploughing machine is to be in the reverse state;

Fig. 3 is the top view of Fig. 1 (or Fig. 2);

Fig. 4 is a stereogram, illustrates that the cultivated break bar of the utility model is just reversing the interior to a preferred embodiment of transmission device;

Fig. 5 is a front elevational schematic, and illustrating that this preferred embodiment is in just changes state;

Fig. 6 looks schematic diagram on one, illustrating that this preferred embodiment is in just changes state;

Fig. 7 is a front elevational schematic, illustrates that this preferred embodiment is in the reverse state;

Fig. 8 looks schematic diagram on one, illustrate that this preferred embodiment is in the reverse state;

Fig. 9 is a front elevational schematic, illustrates that this preferred embodiment is to be in idling conditions.

Embodiment

Below in conjunction with drawings and Examples the utility model is elaborated:

As Fig. 4～shown in Figure 6, cultivated break bar of the present utility model is just reversing the preferred embodiment to transmission device 2, be driven by the engine power of an agricultural ploughing machine (not shown), should plough break bar and just reverse the shell block 21 that comprises a hollow to transmission device 2, one power unit 22 that driven by engine power, one is driven in the gear unit 23 of this power unit 22, one is placed in this shell block 21 and can be in order to engine power is passed to the just commentaries on classics gear unit 24 of this gear unit 23 from this power unit 22, one is placed in this shell block 21 and can be in order to engine power is passed to the backoff teeth wheel unit 25 of this gear unit 23 from this power unit 22, one in order to just to control this, the clutch unit 26 on independent start opportunity of backoff teeth wheel unit 25, and two positions are arranged at the opposite two side places of these shell block 21 leading sections interchangeably respectively and are driven in this gear unit 23 and can produce the cultivated break bar 27 of just contrary two-way rotation.

This power unit 22 has the line shaft 221 that a level is placed through in these shell block 21 rearward end and rotated towards a positive veer (shown in the counterclockwise arrow among the figure) with perseverance by the engine power driving, and a bearing 222 that is sheathed on this line shaft 221; In the present embodiment, this bearing 222 is a ball-type.This line shaft 221 has most compartment of terrains and axially is convexly set in latch bar 223 on its center section part outer peripheral face.

This gear unit 23 have one be arranged in this shell block 21 and spaced and parallel in power transmission shaft 231, a level of this line shaft 221 run through these shell block 21 bottoms and its opposite end portion respectively the position the cultivated cutter shaft 232, two in opposite two outsides of this shell block 21 respectively cover be fixed in this power transmission shaft 231 and the sprocket wheel 233 that should plough on the cutter shaft 232, and a circle around and mesh the chain 234 of this two sprocket wheel 233.And this two is ploughed on opposite two ends that break bar 27 is position cultivated cutter shafts 232 of being arranged at this gear unit 23 interchangeably respectively.Therefore, see through this two sprocket wheel 233 and match with this chain 234, making this cultivated cutter shaft 232 is to be driven in this power transmission shaft 231 and both rotate in the same way, and then drives this and two plough break bar 27 rotations.

This is just changeing gear unit 24 and is having three spur gears that can nibble in regular turn 241～243.Wherein, this spur gear 241 is that pivot is placed on the end of line shaft 221 of this power unit 22 and contiguous this bearing 222 rotatably, and this spur gear 241 also has three and is spaced and is convexly set in its lip-deep positive blade tooth 244 away from this bearing 222 in the form of a ring.And this spur gear 243 is to overlap on the end that is fixed in this power transmission shaft 231 with relatively rotating.

This backoff teeth wheel unit 25 has two the contrary gears that can nibble in regular turn 251,252.Wherein, this contrary gear 251 is that pivot is placed on opposite the other end of this line shaft 221 rotatably, and has three and be spaced and be convexly set in the lip-deep contrary blade tooth 253 that it faces this spur gear 241 in the form of a ring.And should contrary gear 252 be to overlap on the opposite the other end that is fixed in this power transmission shaft 231 with relatively rotating.

This clutch unit 26 has one and is sheathed on the center section part of this line shaft 221 slippingly and its inner ring surface is and the latch bar 223 clutch ring piece 261 that changes with limit of interlock mutually, three are spaced and are convexly set in the lip-deep positive latch 262 of this clutch ring piece 261 in the face of this spur gear 241 in the form of a ring, three are spaced and are convexly set in this clutch ring piece 261 opposite another lip-deep contrary latch 263 in the face of this contrary gear 251 in the form of a ring, one movably locally stretches the driving lever 264 that places this shell block 21, and one be arranged in this shell block 21 and connect these driving lever 264 1 ends and this clutch ring piece 261 affect sheet 265.

It is to match that this driving lever 264 affects sheet 265 with this, with control this clutch ring piece 261 relatively this slippage section 224 put in a positive transposition, a neutral, and one reverse slippage between the position.When the interior position that pushes away this driving lever 264 so that this clutch ring piece 261 is shifted to this spur gear 241 when this positive transposition is put, positive latch 262 is and the clamping mutually of positive blade tooth 244, interlock, at this moment, turned by engine power and permanent after forward rotation in this line shaft 221, just can drive this clutch ring piece 261 and this spur gear 241 synchronously towards forward rotation, continuous nibbling through this spur gear 242, and make this spur gear 243, this power transmission shaft 231 and should plough cutter shaft 232, thereby order about this two cultivated break bar 27 and can just change towards ground, ground with its blade 271 all in regular turn towards forward rotation.In addition, though when this power transmission shaft 231 rotated, this is nibbled against gear synchronous rotation of 252 meetings should be against gear 251, right be that pivot is placed on this line shaft 221 rotatably because of being somebody's turn to do contrary gear 251, so this contrary gear 251 dallies purely and can not influence the rotation of this line shaft 221.

As Fig. 7 and shown in Figure 8, on the contrary, when interior when pulling this driving lever 264 so that this clutch ring piece 261 is shifted to this contrary gear 251 position is in this reverse position, contrary latch 263 is and contrary blade tooth 253 clamping mutually, interlock, so, turned by engine power and permanent after forward rotation in this line shaft 221, can drive this clutch ring piece 261 equally and be somebody's turn to do contrary gear 251 synchronously towards forward rotation, and make this against gear 252, this power transmission shaft 231, this two sprocket wheel 233 is ploughed cutter shaft 232 all in regular turn towards backwards rotation (shown in the clockwise direction arrow among the figure) with this, cooperate in advance this two is ploughed the location swap that is provided with of break bar 27, thereby ordering about this, two to plough break bar 27 be to reverse towards ground, ground with its blade 271 still.Similarly, though when this power transmission shaft 231 rotates, this spur gear 243 is understood rotation synchronously and is nibbled two spur gears 242,241 in addition, be that pivot is placed on this line shaft 221 rotatably so because of this spur gear 241, so this spur gear 241 also is to dally and can not influence the rotation of this line shaft 221 purely.

Moreover, as shown in Figure 9, when pulling this driving lever 264 so that 261 of this clutch ring pieces during in this neutral, positive latch 262 is to separate with positive blade tooth 244, and contrary latch 263 also separates with contrary blade tooth 253, promptly this clutch ring piece 261, this spur gear 241 be separated from each other with these contrary gear 251 threes, at this moment, engine power just can't be via this line shaft 221 with outside transmission, this line shaft 221 is into idling conditions, so this is just changeing gear unit 24, this backoff teeth wheel unit 25, this gear unit 23 and this two cultivated break bar 27 and just all is being arrested state.

Therefore, see through the displacement of this clutch ring piece 261 of control, make this clutch ring piece 261 or be somebody's turn to do contrary gear 251 clamping mutually with this spur gear 241, and allow plough break bar 27 can regard as the industry demand with simple and easy, just carrying out swimmingly, reversing to conversion, cooperate this two cultivated break bar 27 to carry out the design that replace the position with its commutation, guarantee to plough break bar 27 in just, blade 271 when reversing is permanent in ground, can smooth and easy, suitably cut soil, ploughing and weeding operation.Particularly, utilize clamping locate mode clutch mechanism due to this clutch ring piece 261, effectively simplified structure disposes (as gear quantity) and reduces the transmission resistance, and then allow integral body can reach that designs simplification, operation/maintenance are simple and easy, energy saving, functional characteristic is good and effect such as easy-to-use, cultivated break bar transmission device 1 complex structure that (see figure 1) has, the operation/maintenance that effectively improve existing agricultural ploughing machine are difficult, and problem such as power consumption.

Conclude above-mentioned, cultivated break bar of the present utility model is just reversing to transmission device 2, utilize this clutch ring piece 261 just changeing the design that gear unit 24 or this backoff teeth wheel unit 25 fasten with this, can just produce, reverse to drive cultivated break bar 27 to conversion, cooperate break bar 27 carries out location swap with its commutation the mode of ploughing that makes, integral body can reach that designs simplification, operation/maintenance are simple and easy, energy saving, functional characteristic is good and effect such as easy-to-use, so, can reach effect of the present utility model really.

Claims

1. a cultivated break bar is just reversing to transmission device, comprises a hollow shell block, a power unit, a gear unit, and two cultivated break bars; This power unit has a level and is placed through in this shell block top and the permanent line shaft towards a positive veer rotation of energy, this gear unit has a power transmission shaft that is arranged in this shell block and is driven in this line shaft, and level runs through this shell block bottom and is driven in the cultivated cutter shaft of this power transmission shaft, this two plough break bar be arranged at respectively opposite two ends of this cultivated cutter shaft and respectively the position in opposite two outsides of this shell block; It is characterized in that: also comprising one is just changeing gear unit, a backoff teeth wheel unit, and clutch unit, this is just changeing gear unit and is having the spur gear that odd number can be nibbled in regular turn, initial spur gear is that pivot is placed on the wherein end of this line shaft, and final spur gear is that cover is fixed on the end of this power transmission shaft; This backoff teeth wheel unit has the contrary gear that even number can be nibbled in regular turn, and initial contrary gear is that pivot is placed on opposite the other end of this line shaft, and final contrary gear is that cover is fixed on opposite the other end of this power transmission shaft; This clutch unit has a clutch ring piece on the center section part that is sheathed on this line shaft slippingly, this clutch ring piece relatively the positive transposition of this slippage Duan Zaiyi put, a neutral, and axially move between a reverse position, this positive transposition is put, this clutch ring piece is to engage with initial this spur gear surface, this reverses the position, this clutch ring piece is and should engages by contrary gear surface at first, and this two cultivated break bar is a location swap, this neutral, this clutch ring piece, at first this spur gear with should contrary gear three be separated from each other at first.

2. cultivated break bar as claimed in claim 1 is just reversing to transmission device, it is characterized in that: this gear unit also have two respectively cover be fixed in this power transmission shaft and the sprocket wheel that should plough on the cutter shaft, and circle around and mesh the chain of this two sprocket wheel.

3. cultivated break bar as claimed in claim 2 is just reversing to transmission device, it is characterized in that: this line shaft also has most compartment of terrains and axially is convexly set in latch bar on its center section part outer peripheral face, and this majority latch bar is that the clutch ring piece inner peripheral surface with this clutch unit fastens.

4. cultivated break bar as claimed in claim 3 is just reversing to transmission device, it is characterized in that: this clutch unit also has most and is convexly set in the lip-deep positive latch of this clutch ring piece in the face of initial this spur gear at interval, and individual this clutch ring piece that is convexly set at interval of majority is in the face of being somebody's turn to do opposite another the lip-deep contrary latch against gear at first, initial this spur gear have most be convexly set at interval that its surface in the face of this clutch ring piece is gone up and can with the positive latch of this majority positive blade tooth of interlock mutually, at first should contrary gear have most be convexly set at interval that its surface in the face of this clutch ring piece is gone up and can with the contrary latch of this majority contrary blade tooth of interlock mutually.

5. cultivated break bar as claimed in claim 4 is just reversing to transmission device, it is characterized in that: this clutch unit also has one and movably locally stretches the driving lever that places this shell block, and the sheet that affects that connects this driving lever and this clutch ring piece.

6. cultivated break bar as claimed in claim 5 is just reversing to transmission device, it is characterized in that: this power unit also has a bearing that is sheathed on this line shaft.