CN112868281A - Auxiliary power output device of variable-speed gear-shifting micro-tillage machine - Google Patents
Auxiliary power output device of variable-speed gear-shifting micro-tillage machine Download PDFInfo
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- CN112868281A CN112868281A CN201911264651.0A CN201911264651A CN112868281A CN 112868281 A CN112868281 A CN 112868281A CN 201911264651 A CN201911264651 A CN 201911264651A CN 112868281 A CN112868281 A CN 112868281A
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- 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
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- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
- F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses an additional power output device of a variable-speed gear-shifting micro-cultivator, which comprises: the mini-tiller is additionally provided with a power output device, a main shaft, an auxiliary shaft, a reverse gear shaft, a shifting fork shaft, a duplex straight gear, an auxiliary shaft gear, a reverse gear and a shifting fork. The power rotating speed can be transmitted, changed and changed to the rear through the additional power output device and the variable speed gear shifting mechanism of the mini-tiller, so that the rotating speed required by the operation of different machines of the mini-tiller is achieved. The utility model is used for the operation of the ditching cutter and the rotary tillage cutter, and can meet the tillage requirements of users. The structure is simple and the maintenance is convenient. The labor capacity of operators is reduced, the time is saved, and the operation efficiency is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of agriculture, in particular to an additional power output device of a variable-speed gear-shifting micro-cultivator.
[ background of the invention ]
In order to enable the mini-tiller to adapt to multifunctional operation, an additional power output device and a machine tool of the mini-tiller are sleeved on a power output shaft of a walking box of the mini-tiller. The micro-cultivator can drive the machines on the power output shaft of the walking box and the machines on the additional power output device of the micro-cultivator to rotate simultaneously, so that double-machine operation is formed, and the application range of the micro-cultivator is expanded. The implement includes: road wheel, rotary blade, ditching blade.
The power output shaft of the mini-tiller additional power output device is sleeved with a ditching cutter, and a box body of the mini-tiller additional power output device is provided with a limiting wheel assembly. Can form a small-sized ditcher. The small-sized ditcher is widely used in vegetable fields and tobacco fields.
The rotary blade is sleeved on a power output shaft of the walking box of the mini-tiller, the power input shaft of the power output device of the mini-tiller is sleeved on the power output shaft of the power output device of the mini-tiller, the rotary blade is sleeved on the power output shaft of the power output device of the mini-tiller, and a pull rod assembly is arranged between a box body of the power output device of the mini-tiller and a body of the mini-tiller. Can form a mini-tiller with two pairs of rotary blades for operation. The mini-tiller with two pairs of rotary blades for operation is widely used in vegetable fields, tobacco fields and sugarcane fields.
The mini-tiller has different machines and tools, and the required rotating speed of the power output shaft is different when the mini-tiller operates. For example, the required speed of the power output shaft is 50 revolutions per minute when the road wheels work; the rotary tillage cutter works, the required rotating speed of the power output shaft is 150 r/min; the rotation speed of the power output shaft required by the ditching cutter operation is 350 r/min. When the existing micro-cultivator additional power output device is used on a micro-cultivator, one rotating speed is input at a power input shaft, and only one rotating speed can be output by a power output shaft of the micro-cultivator additional power output device. When a user needs two different machines for operation, two sets of micro-tillage machine additional power output devices with different output rotating speeds need to be arranged, and the micro-tillage machine additional power output devices are alternately installed and detached on the micro-tillage machine, so that the tillage requirements of different machines are met. The installation and disassembly processes are complicated and troublesome, and inconvenience is brought to users. It is urgent to solve the above problems.
[ summary of the invention ]
The invention aims to provide an additional power output device of a variable-speed gear-shifting micro-cultivator. The speed change and gear shift mechanism is additionally arranged on the box body of the mini-tiller additional power output device, so that the power output shaft of the mini-tiller additional power output device can output different forward and reverse rotating speeds.
The power input shaft of the additional power output device of the variable-speed gear-shifting micro-cultivator is sleeved on the power output shaft of the walking box of the micro-cultivator, so that the power output shaft of the additional power output device of the micro-cultivator can output different forward and reverse rotating speeds. After the power transmission device is installed, the box body can rotate up and down in a local range by taking the power input shaft as a circle center, and the rotating amplitude is limited by a pull rod arranged between the box body and the towing plate. Its left-right movement is limited by the auxiliary plate. Under the action of gravity, the additional power output device of the variable-speed gear-shifting micro-cultivator and the implement are lowered to the ground for operation.
The additional power output device of the variable-speed gear-shifting micro-cultivator is as follows: the transmission case is characterized in that one power rotating speed is input into a power input shaft, and a plurality of rotating speeds (including positive and negative rotation) can be output from a power output shaft. The power of the mini-tiller additional power output device is transmitted to the speed change and gear shift mechanism through the power input shaft and the power input shaft gear, and the speed change and gear shift mechanism comprises: the main shaft is provided with a middle chain wheel and a sliding duplex straight gear, the auxiliary shaft is provided with an auxiliary shaft gear, the reverse gear shaft is provided with a reverse gear, the duplex straight gear and the main shaft are connected through a spline, a shifting fork clamping groove is formed in the middle of the duplex straight gear, and the shifting fork extends into the shifting fork clamping groove. The shifting fork shaft penetrates through the box body, a shifting fork is arranged on the part of the shifting fork shaft penetrating through the box body, the shifting fork shaft is in clearance fit with the box body, and a control handle is arranged at one end, extending out of the box body, of the shifting fork shaft. The shifting fork shaft is pulled to move manually through the operating handle, the shifting fork shaft drives the shifting fork to move, the shifting fork shifts the duplex spur gears on the main shaft to move, and the duplex spur gears on the main shaft move to be meshed with the auxiliary shaft gear or the reverse gear of the reverse gear shaft, so that the forward and reverse rotation of the main shaft is formed. And the power is transmitted to the power output shaft through the middle chain wheel, the chain and the power output shaft chain wheel on the main shaft, so that the forward gear or the reverse gear of the power output shaft can be realized. The main shaft, the auxiliary shaft and the reverse gear shaft are all arranged in the box body of the additional power output device of the mini-tiller through bearings.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
1, a quick-witted additional power output device is ploughed a little in variable speed gear shifting includes: the mini-tiller is additionally provided with a power output device and a speed change gear shift mechanism, and is characterized in that the power input shaft is connected to the speed change gear shift mechanism through a front transmission part, the speed change gear shift mechanism is connected to a power output shaft through a rear transmission part, the power input shaft, the front transmission part, the speed change gear shift mechanism, the rear transmission part and the power output shaft are all arranged and fixed on a box body, and the box body can rotate up and down locally around the power input shaft.
2, as a further setting, a speed change shifts and ploughs quick-witted additional power take-off a little, speed change gearshift includes: the main shaft is provided with a sliding duplex straight-tooth gear, the duplex straight-tooth gear and the main shaft are connected through splines, the auxiliary shaft gear is arranged on the auxiliary shaft through key connection, the reverse gear is arranged on the reverse shaft through key connection, the main shaft, the auxiliary shaft and the reverse shaft are all fixed in a box body through bearing arrangement, the shifting fork shaft penetrates through the box body and fixedly provided with a shifting fork on the shifting fork shaft penetrating through the inside of the box body, a shifting fork clamping groove is formed in the middle position of the duplex straight-tooth gear, the shifting fork stretches into the shifting fork clamping groove, the shifting fork shaft is in clearance fit with the box body, a handle is arranged at one end of the shifting fork shaft, which stretches out of the box body, and the handle controls the duplex straight-tooth gear to be meshed with the auxiliary shaft gear or the reverse gear.
And 3, as a further arrangement, the front transmission part is a power input shaft gear which is meshed with the countershaft gear, and the power input shaft gear is connected and arranged on the power input shaft through a key.
And 4, as a further arrangement, the rear transmission part comprises an intermediate chain wheel, a chain and a power output shaft chain wheel, the intermediate chain wheel is connected and arranged on the main shaft through a key, the power output shaft chain wheel is connected and arranged on the power output shaft through a key, and the chain is arranged on the intermediate chain wheel and the power output shaft chain wheel.
5, as a further arrangement, the power output device is added to the variable-speed gear-shifting micro-tillage machine, and the power input shaft is fixedly installed on the box body through bearings at two ends.
And 6, as a further arrangement, the power output device is added to the variable-speed gear-shifting micro-tillage machine, and the power output shaft is fixedly arranged on the box body through bearings at two ends.
And 7, as a further arrangement, the speed-changing gear-shifting mini-tiller additional power output device is characterized in that the box body is a box body of the mini-tiller additional power output device.
The micro-cultivator is provided with a power output device: the method comprises the following steps: the power input shaft, the transmission part and the power output shaft are arranged in the box body. The additional power output device of the mini-tiller is a transmission case sleeved on a power output shaft of a walking case of the mini-tiller.
The transmission component is characterized in that: is a component that transmits power from the power input shaft to the power output shaft. It includes: the power input shaft gear, the intermediate shaft, the intermediate gear, the intermediate chain wheel, the bearing, the chain and the power output shaft chain wheel.
The intermediate shaft is a transition shaft which is positioned between the power input shaft and the power output shaft and is provided with a gear or a chain wheel or a belt pulley. The intermediate shaft is arranged on a box body of the mini-tiller, which is provided with an additional power output device, through a bearing.
The speed-changing gear-shifting mechanism is additionally applied to an additional power output device of the mini-tiller. The transmission components are divided into: a front transmission component and a rear transmission component.
The front transmission component is: and a transmission component between the power input shaft and the speed change gear shifting mechanism.
The rear transmission part is: and a transmission component between the speed change gear shifting mechanism and the power output shaft.
The dual straight gear consists of a dual straight gear a and a dual straight gear b, and a shifting fork clamping groove is arranged in the middle of the dual straight gear
The reverse gear includes: reverse gear wheel a, reverse gear wheel b.
The coupling includes: gear engagement, chain transmission, belt transmission, thread connection, pin connection, key connection and spline connection, riveting, welding, gluing and clamping.
The invention has the beneficial effects that: the additional power output device of the variable-speed gear-shifting micro-cultivator is used for transmitting, changing speed and changing direction of the power rotating speed through the additional power output device of the micro-cultivator and the variable-speed gear-shifting mechanism, so that the rotating speed required by different machines and tools of the micro-cultivator for operation is achieved. The rotating speeds of different power output shafts are adjusted by the handle so as to meet the requirements of the operating rotating speeds of the ditching cutter and the rotary tillage cutter. The complicated labor of alternately mounting and dismounting the power output device of the mini-tiller with different output rotating speeds on the mini-tiller in the background technology is avoided, the labor amount of operators is reduced, the time is saved, and the operation efficiency is improved. The structure is simple and the operation is convenient.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a ditching micro-cultivator with a variable speed gear shifting micro-cultivator additional power output device in the embodiment 1 of the invention.
FIG. 2 is a schematic structural view of a mini-tiller without a cutter and a resistance bar in embodiment 1 of the invention.
Fig. 3 is a schematic structural view of an additional power output device of the variable speed gear shifting micro-cultivator in the embodiment 1 of the invention.
Fig. 4 is a schematic view of the internal structure of an additional power output device of the variable speed shifting mini-tiller in embodiment 1 of the invention.
Fig. 5 is a schematic structural view of a double rotary blade mini-tiller with a variable speed and gear shift mini-tiller additional power output device in embodiment 2 of the invention.
FIG. 6 is a schematic structural view of a mini-tiller without a cutter and a resistance bar in embodiment 2 of the invention.
Fig. 7 is a schematic structural diagram of an additional power output device of the variable speed gear shifting micro-cultivator in the embodiment 2 of the invention.
Fig. 8 is an internal structure schematic diagram of an additional power output device of the variable speed gear shifting micro-cultivator in the embodiment 2 of the invention.
In the figure: 1, a handrail frame; 2, dragging the hanging plate; 3, a mudguard; 4, limiting wheels; 5, a rear rotary blade or a ditching blade; 6, a power output shaft; 7, a box body; 8, a handle; 9, a power output shaft of the walking box; 10, traveling wheels; 11, an engine; 12, a power input shaft; 13, an auxiliary plate; 14, a shifting fork shaft; 15, a shifting fork; 16, a dual spur gear a; 17, a main shaft, 18, a secondary shaft; 19, countershaft gears; 20, a power input shaft gear; 21, a reverse gear shaft; 22, reverse gear a; 23, a reverse gear b; 24, a dual spur gear b; 25, an intermediate sprocket; 26, front rotary tillage knife
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1:
fig. 1 is a schematic structural view of a ditching micro-cultivator with a variable speed gear shifting micro-cultivator additional power output device in the embodiment 1 of the invention. The following description will be made in detail with reference to fig. 2, fig. 3, and fig. 4.
The limiting wheel assembly 1 and the pull rod assembly. The device comprises two parts: spacing wheel subassembly and pull rod assembly.
The spacing wheel subassembly includes: support frame, gag lever post, spacing wheel. The support frame is a square bar, one end of the square bar is welded and fixed on a box body on one side of a power output shaft of the variable-speed gear-shifting micro-tillage machine with an additional power output device, and the other end of the square bar is welded and fixed with a hexagonal tube. And the middle part of the hexagonal tube is welded with a nut through hole and a bolt jackscrew. The limiting rod is a hexagonal rod, and a plurality of jackscrew holes are formed in the hexagonal rod. The hexagonal rod penetrates through the hexagonal pipe, the hexagonal rod is fastened by a bolt jackscrew on the hexagonal pipe, and the lower part of the hexagonal rod is connected with a limiting wheel. The limiting wheel is adjusted to move up and down by adjusting the tightening of the jackscrew hole of the hexagonal rod and the jackscrew of the hexagonal bolt. The position of the supporting point is changed by moving the limiting wheels up and down, and the depth of the ditching cutter in the soil is controlled by using the difference of the position of the supporting point.
The pull rod assembly. Consists of a pull rod, two fixed plates and a pin, wherein the fixed plates are drilled with round holes. The pull rod enters the gap between the two fixed plates. The fixed plate is welded on a box body of the additional power output device of the variable-speed gear-shifting micro-cultivator. One end of the pull rod is drilled with a round hole, and the other end of the pull rod is provided with a thread and a nut. A pin penetrates through the round hole at one end of the pull rod and the round hole of the fixing plate, and a cotter pin is arranged at the end part of the pin to prevent the pin from falling off. The other end of the pull rod penetrates through the mud guard and the mini-tiller dragging plate, and a nut is sleeved at the threaded part of the pull rod above the dragging plate. The handlebar of the mini-tiller is lifted, and a nut on the pull rod is clamped with the towing plate. And then the pull rod is driven to move upwards, and the pull rod moves upwards to drive the additional power output device and the ditching cutter of the variable-speed gear-shifting micro-tillage machine to move upwards. The handle of the mini-tiller is pressed down, the nut on the pull rod protrudes and is not caught by the towing plate, and the box body and the ditching cutter move down under the action of gravity. A box body of an additional power output device of a variable-speed gear-shifting micro-cultivator rotates downwards locally by taking a power input shaft as a circle center, and the rotating amplitude is limited by the height of a nut on a pull rod.
2, a variable speed shifts and ploughs machine additional power output device a little, its power input axle sleeve connects on the quick-witted walking case power output shaft of declining, and installs in walking case power output shaft rear side, and box upper portion is stumbled the hookup board through the pull rod and is linked.
The additional power output device of the variable-speed gear-shifting mini-tiller comprises a box body, a power input shaft gear, a power input shaft bearing, a shifting fork shaft, a shifting fork, a handle, a counter shaft bearing, a counter shaft gear, a reverse gear shaft bearing, a reverse gear a, a reverse gear b, a main shaft bearing, a duplex straight gear a, a duplex straight gear b, a middle chain wheel, a chain, a power output shaft chain wheel, a power output shaft and a power output shaft bearing. The power input shaft gear is mounted on the power input shaft through key connection, and the power input shaft is mounted on the box body through power input shaft bearings on two sides. The shifting fork shaft penetrates through the box body, a shifting fork is fixedly mounted on the shifting fork shaft penetrating through the interior of the box body, the shifting fork extends into a shifting fork clamping groove of the duplex straight gear, the shifting fork shaft is in clearance fit with the box body, and an operating handle is arranged at one end, extending out of the box body, of the shifting fork shaft. The auxiliary shaft gear is connected with an auxiliary shaft through a key, and the auxiliary shaft is arranged on the box body through auxiliary shaft bearings on two sides. The reverse gear a and the reverse gear b are mounted on the reverse gear shaft through key connection, and the reverse gear shaft is mounted on the box body through reverse gear shaft bearings on two sides. The main shaft is provided with a slidable duplex straight gear, a shifting fork clamping groove is formed in the middle of the duplex straight gear, the duplex straight gear and the main shaft are connected through splines, the main shaft is installed on the box body through main shaft bearings on two sides, and a middle chain wheel is installed on the main shaft through key connection. The power output shaft chain wheel is mounted on the power output shaft through key connection, and the power output shaft is mounted on the box body through power output shaft bearings on two sides. The chain is arranged between the middle chain wheel and the power output shaft chain wheel. And clamp springs are arranged on the left side and the right side of the gear or the chain wheel for limiting. The components are arranged in the box body to form a transmission box whole body capable of changing speed and shifting gears.
When the mini-tiller is used for ditching, the power output shaft and the power input shaft need to rotate in the reverse direction, and the transmission sequence of power in the box body of the mini-tiller additional power output device is as follows: power input shaft → power input shaft gear → counter gear → reverse gear a → reverse gear b → double spur gear b → main shaft → intermediate sprocket → chain → power output shaft sprocket → power output shaft. The transmission case is meshed with a reverse gear a through auxiliary shaft gears with different numbers of teeth in the transmission case, and a reverse gear b is meshed with a duplex straight gear b, so that transmission speed change is achieved. The power output shaft speed is made 350 rpm. The outer side of the box body at the position of the middle chain wheel in the transmission box is welded with an 18 x 100 bolt, the auxiliary plate is sleeved on an output shaft of the traveling box of the mini-tiller, a bolt hole is drilled in the auxiliary plate, and the 18 x 100 bolt penetrates through the bolt hole of the auxiliary plate and is fastened by a nut. The auxiliary plate enables the auxiliary power output device of the variable-speed gear-shifting micro-cultivator to be in contact with the output shaft of the walking box of the micro-cultivator more evenly, so that the micro-cultivator operates stably.
Lubricating grease or engine oil needs to be filled in a box body of the additional power output device of the variable-speed gear-shifting micro-cultivator, and when the engine oil is selected to be filled, sealing rings need to be assembled between the box body and the input shaft and between the box body and the output shaft to prevent the engine oil from leaking.
And 3, a mini-tiller part. The micro-cultivator is characterized in that high-rotation-speed power provided by an engine is changed into low-rotation-speed power suitable for application through a gearbox and is transmitted to an output shaft of a walking box. The inner side of the output shaft of the micro-cultivator walking box is sleeved with a power input shaft and an auxiliary plate of a box body of a variable-speed gear shifting micro-cultivator additional power output device, and the outer side of the output shaft of the micro-cultivator walking box is sleeved with a walking wheel. The speed of the output shaft of the walking box of the mini-tiller is 50 revolutions per minute by shifting and changing the speed of the gearbox of the mini-tiller. An additional power output device of a variable-speed gear-shifting micro-tillage machine achieves the reverse rotation speed of 350 r/min of a power output shaft through internal transmission and speed change, and a ditching cutter is assembled on the power output shaft. During operation, the depth of the trenching knife entering the soil is limited by the position limiting wheel. The limiting wheels are adjusted upwards, and the depth of the trenching knife entering the soil is increased. The limiting wheel is adjusted downwards, and the soil entering of the ditching cutter is shallow. When the mini-tiller turns, the handlebar of the mini-tiller is lifted up to drive the pull rod to move upwards, and the pull rod moves upwards to drive the additional power output device and the ditching cutter of the variable-speed gear-shifting mini-tiller to move upwards so as to drive the ditching cutter to move upwards to be separated from the ground. The ditching cutter is separated from the ground to reduce the left or right rotating load, so that the whole machine can conveniently turn. The mud guard is fixed on the frame of the mini-tiller by bolts. The ditching operation of the mini-tiller is smooth.
Example 2:
fig. 5 is a schematic structural view of a double rotary blade mini-tiller with a variable speed and gear shift mini-tiller additional power output device in embodiment 2 of the invention. The following description will be made in detail with reference to fig. 6, 7, and 8.
And 2, the additional power output device of the variable-speed gear-shifting mini-tiller. The gear box comprises a box body, a power input shaft gear, a power input shaft bearing, a shifting fork shaft, a shifting fork, a handle, an auxiliary shaft bearing, an auxiliary shaft gear, a reverse gear shaft bearing, a reverse gear a, a reverse gear b, a main shaft bearing, a duplex straight gear a, a duplex straight gear b, an intermediate chain wheel, a chain, a power output shaft chain wheel, a power output shaft and a power output shaft bearing. The power input shaft gear is mounted on the power input shaft through key connection, and the power input shaft is mounted on the box body through power input shaft bearings on two sides. The shifting fork shaft penetrates through the box body, a shifting fork is fixedly mounted on the shifting fork shaft penetrating through the interior of the box body, the shifting fork extends into a shifting fork clamping groove of the duplex straight gear, the shifting fork shaft is in clearance fit with the box body, and an operating handle is arranged at one end, extending out of the box body, of the shifting fork shaft. The auxiliary shaft gear is connected with an auxiliary shaft through a key, and the auxiliary shaft is arranged on the box body through auxiliary shaft bearings on two sides. The reverse gear a and the reverse gear b are mounted on the reverse gear shaft through key connection, and the reverse gear shaft is mounted on the box body through reverse gear shaft bearings on two sides. The main shaft is provided with a slidable duplex straight gear, a shifting fork clamping groove is formed in the middle of the duplex straight gear, the duplex straight gear and the main shaft are connected through splines, the main shaft is installed on the box body through main shaft bearings on two sides, and a middle chain wheel is installed on the main shaft through key connection. The power output shaft chain wheel is mounted on the power output shaft through key connection, and the power output shaft is mounted on the box body through power output shaft bearings on two sides. The chain is arranged between the middle chain wheel and the power output shaft chain wheel. And clamp springs are arranged on the left side and the right side of the gear or the chain wheel for limiting. The components are arranged in the box body to form a transmission box whole body capable of changing speed and shifting gears.
When two pairs of rotary blades of the mini-tiller operate, the power output shaft and the power input shaft rotate in the same direction, and the transmission sequence of power in the box body of the mini-tiller additional power output device is as follows: power input shaft → power input shaft gear → counter shaft gear → double spur gear a → main shaft → intermediate sprocket → chain → power output shaft sprocket → power output shaft. The transmission case is meshed with a duplex straight gear a through a countershaft gear with the same number of teeth in the transmission case, so that the effect of transmission and non-speed change is achieved. The outer side of the box body at the position of the middle chain wheel in the transmission box is welded with an 18 x 100 bolt, the auxiliary plate is sleeved on an output shaft of the traveling box of the mini-tiller, a bolt hole is drilled in the auxiliary plate, and the 18 x 100 bolt penetrates through the bolt hole of the auxiliary plate and is fastened by a nut. The auxiliary plate enables the auxiliary power output device of the variable-speed gear-shifting micro-cultivator to be in contact with the output shaft of the walking box of the micro-cultivator more evenly, so that the micro-cultivator operates stably.
Lubricating grease or engine oil needs to be filled in a box body of the additional power output device of the variable-speed gear-shifting micro-cultivator, and when the engine oil is selected to be filled, sealing rings need to be assembled between the box body and the input shaft and between the box body and the output shaft to prevent the engine oil from leaking.
And 3, a mini-tiller part. The micro-cultivator is characterized in that high-rotation-speed power provided by an engine is changed into low-rotation-speed power suitable for application through a gearbox and is transmitted to an output shaft of a walking box. The inner side of the output shaft of the travelling box of the mini-tiller is sleeved with a power input shaft and an auxiliary plate of a box body of an additional power output device of the mini-tiller, and the outer side of the output shaft of the travelling box of the mini-tiller is sleeved with a rotary blade. The speed of the output shaft of the walking box of the mini-tiller is 150 rpm by shifting and changing the speed of the gearbox of the mini-tiller. An additional power output device of a variable-speed and gear-shifting mini-tiller realizes 150 r/m of equidirectional rotation of a power output shaft through internal transmission without speed change or direction change, and is provided with a rotary blade. Thus forming the micro-cultivator with two pairs of rotary blades for operation. During operation, the depth of the rotary tillage cutter entering the soil is limited by the limiting wheel. The limiting wheels are adjusted upwards, and the rotary tillage blades are deeply buried. The limiting wheel is adjusted downwards, and the rotary tillage cutter is shallow in soil. The mud guard is fixed on the frame of the mini-tiller by bolts. The two pairs of rotary blades of the mini-tiller operate smoothly.
The micro-cultivator body comprises: the mini-tiller does not contain other parts of an engine (or a motor) and accessories connected with the mini-tiller.
The detailed parts of the present invention are not repeated or prior art.
Claims (7)
1. An additional power output device of a variable-speed gear-shifting micro-cultivator comprises: the mini-tiller is additionally provided with a power output device and a speed change and gear shift mechanism, and is characterized in that a power input shaft (12) is connected to the speed change and gear shift mechanism through a front transmission part, the speed change and gear shift mechanism is connected to a power output shaft (6) through a rear transmission part, the power input shaft, the front transmission part, the speed change and gear shift mechanism, the rear transmission part and the power output shaft are all arranged and fixed on a box body, and the box body can rotate up and down locally around the power input shaft.
2. The additional power output device of the variable speed shifting mini-tiller of claim 1, wherein the variable speed shifting mechanism comprises: the automatic transmission is characterized by comprising a main shaft (17), an auxiliary shaft (18), a reverse gear shaft (21), a shifting fork shaft (14), a duplex straight gear, an auxiliary shaft gear, a reverse gear and a shifting fork (15), wherein the main shaft is provided with the slidable duplex straight gear, the duplex straight gear and the main shaft are connected through splines, the auxiliary shaft gear is arranged on the auxiliary shaft through key connection, the reverse gear is arranged on the reverse gear shaft through key connection, the main shaft, the auxiliary shaft and the reverse gear shaft are fixed in a box body through bearing settings, the shifting fork shaft penetrates through the box body, the shifting fork shaft penetrating through the inside of the box body is fixedly provided with the shifting fork (15), the middle position of the duplex straight gear is provided with a shifting fork clamping groove, the shifting fork stretches into the shifting fork clamping groove, the shifting fork shaft is in clearance fit with the box body, one end of the shifting fork shaft, stretching out of the box body, is provided.
3. The additional power take-off of a variable speed shifting mini-tiller of claim 1, wherein the front transmission member is a power input shaft gear that meshes with a counter shaft gear, the power input shaft gear being provided on the power input shaft by a key coupling.
4. The additional power output device of the variable speed gear shifting mini-tiller according to claim 1, wherein the rear transmission component is an intermediate chain wheel (25), a chain and a power output shaft chain wheel, the intermediate chain wheel (25) is arranged on the main shaft through key connection, the power output shaft chain wheel is arranged on the power output shaft (6) through key connection, and the chain is arranged on the intermediate chain wheel and the power output shaft chain wheel.
5. The additional power output device of the variable speed gear shifting mini-tiller is characterized in that the power input shaft (12) is fixedly arranged on the box body through bearings at two ends.
6. The additional power output device of the variable speed gear shifting mini-tiller as claimed in claim 1, wherein the power output shaft is fixedly mounted on the box through bearings at two ends.
7. The additional power output device of the variable speed gear shifting mini-tiller is characterized in that the box body is a box body of the additional power output device of the mini-tiller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264651.0A CN112868281A (en) | 2019-11-29 | 2019-11-29 | Auxiliary power output device of variable-speed gear-shifting micro-tillage machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264651.0A CN112868281A (en) | 2019-11-29 | 2019-11-29 | Auxiliary power output device of variable-speed gear-shifting micro-tillage machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112868281A true CN112868281A (en) | 2021-06-01 |
Family
ID=76039515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911264651.0A Withdrawn CN112868281A (en) | 2019-11-29 | 2019-11-29 | Auxiliary power output device of variable-speed gear-shifting micro-tillage machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112868281A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115280912A (en) * | 2022-08-24 | 2022-11-04 | 重庆科牛机械有限公司 | Agricultural work machine with rear resistance drive system |
-
2019
- 2019-11-29 CN CN201911264651.0A patent/CN112868281A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115280912A (en) * | 2022-08-24 | 2022-11-04 | 重庆科牛机械有限公司 | Agricultural work machine with rear resistance drive system |
| CN115280912B (en) * | 2022-08-24 | 2023-10-24 | 重庆科牛机械有限公司 | Agricultural work machine with rear resistance drive system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210601 |