阅读说明：本技术 一种软轴式曲轴传动全地形遥控割草机 (Flexible shaft type crankshaft transmission all-terrain remote control mower ) 是由 周涛 王大恒 于 2018-06-30 设计创作，主要内容包括：一种软轴式曲轴传动全地形遥控割草机,包括底盘、遥控控制电路、动力系统,所述动力系统包括燃油马达,所述燃油马达设置在底盘上,燃油马达动力输出轴分别与发电机和变速器的动力输入轴连接,所述发电机与遥控控制电路电连接。本发明具有设计合理、运行可靠、工作效率高的特点。其联合应用燃油马达和电力四轮驱动,能量利用效率极高,并且控制电路工作稳定、自动化程度高。燃油马达通过多根软轴驱动剪刀式割草刀,将割草动力分配给多套剪刀式割草刀,剪刀式割草刀采用曲柄连杆传动方式,可以防止积草和灰尘污染。大大提高作业效率且保证割草高度大致保持一致。其发电机发出的电能直接经过遥控控制电路分配给电动机,为整机提供移动能力。(A flexible shaft type crankshaft transmission all-terrain remote control mower comprises a chassis, a remote control circuit and a power system, wherein the power system comprises a fuel motor, the fuel motor is arranged on the chassis, a power output shaft of the fuel motor is connected with a power input shaft of a generator and a power input shaft of a transmission respectively, and the generator is electrically connected with the remote control circuit. The invention has the characteristics of reasonable design, reliable operation and high working efficiency. The combined application of the fuel motor and the electric four-wheel drive has extremely high energy utilization efficiency, and the control circuit has stable work and high automation degree. The fuel motor drives the scissor type mowing knives through the flexible shafts, mowing power is distributed to the scissor type mowing knives, and the scissor type mowing knives adopt a crank connecting rod transmission mode, so that grass accumulation and dust pollution can be prevented. Greatly improving the working efficiency and ensuring the mowing height to be approximately consistent. The electric energy generated by the generator is directly distributed to the motor through the remote control circuit, so that the moving capability is provided for the whole machine.)

1. A flexible shaft type crankshaft transmission all-terrain remote control mower comprises a chassis, a remote control circuit and a power system, wherein the power system comprises a fuel motor and is characterized in that the fuel motor is arranged on the chassis, a power output shaft of the fuel motor is respectively connected with a power input shaft of a generator and a power input shaft of a speed changer, and the generator is electrically connected with the remote control circuit;

the chassis is movably connected with driving wheel brackets at two sides of the chassis through a hinge shaft, wherein a left driving motor and two left driving wheels driven by the left driving motor are arranged on a left driving wheel bracket;

the transmission is also provided with a plurality of power output shafts, the tail ends of the power output shafts are connected with the head end of the flexible shaft, the front end of the chassis is connected with the main mowing frame, and the bottom of the main mowing frame is provided with a universal wheel; the two sides of the main mowing frame are hinged with flank mowing frames, universal wheels are also arranged at the bottoms of the flank mowing frames, scissors type mowing knives are arranged at the bottoms of the main mowing frame and the flank mowing frames, and the tail ends of the flexible shafts are connected with mowing power input shafts on the scissors type mowing knives; the scissors type mowing knife comprises a mowing fixed knife and a mowing moving knife arranged on the mowing fixed knife, wherein a fixed plate is arranged on the mowing fixed knife and is connected with a flank mowing frame or a main mowing frame, sawteeth are arranged on one side of the mowing fixed knife and one side of the mowing moving knife, a stand column is arranged on the mowing moving knife and is rotatably connected with the head end of a push rod, a mowing power input shaft is arranged at the tail end of the flexible shaft, a crankshaft is arranged at the position, deviating from the axis center, of the bottom of the mowing power input shaft, and the crankshaft is rotatably connected with the tail end of the.

2. The flexible shaft type crankshaft transmission all-terrain remote control mower as claimed in claim 1, wherein the front end face and the rear end face of the fuel motor are respectively provided with a front end face power output shaft and a rear end face power output shaft, and the front end face power output shaft is connected with a power input shaft of a transmission.

3. The flexible shaft type crankshaft transmission all-terrain remote control mower as claimed in claim 1, wherein a driving wheel is arranged on a power input shaft of the transmission, a driven wheel is arranged on a power output shaft of the transmission, and the driving wheel drives the driven wheel.

4. The flexible shaft type crankshaft transmission all-terrain remote control mower according to claim 1, wherein the front end surface power output shaft is connected with a power input shaft of a transmission through a clutch.

5. The flexible shaft type crankshaft transmission all-terrain remote control mower as claimed in claim 1, wherein the fuel motor is arranged on a chassis, and the hinge shaft is arranged on the chassis in a region between a mounting position of a center of gravity of the fuel motor and a rear end of the chassis.

Technical Field

The invention relates to the field of mowers, in particular to a flexible shaft type crankshaft transmission all-terrain remote control mower.

Background

The mower is a semi-automatic mechanical tool for cutting pasture grass, trimming weeds growing too fast, trimming and processing flat green lawn, and can reduce the workload of maintainers.

China has wide river and reservoir distribution and has very long earth and rockfill dams. Large areas of green grass are planted on the earth-rock dam. In spring and summer each year, weeds grow, pests such as termites and snakerats are bred, the dam structure is damaged, and the safety of the water works is seriously affected. Therefore, the weeds on the dikes need to be regularly tidied to ensure the tidiness of the grassland. The existing mowing ways are basically as follows: firstly, manual mowing has the defects of original working means, low mowing speed, high labor intensity of personnel and extremely low efficiency, and the mode is basically eliminated. Two, back of body formula automotive sickle, the comparatively general mode of application at present, but this mode is also manual operation, and inefficiency, personnel intensity of labour and cost of labor are also very high. And thirdly, although the self-propelled mower is various in types, the existing common mower is mostly suitable for relatively flat terrain and cannot be suitable for slope operation with very complex terrain environment, the efficiency of the existing self-propelled mower is not high, and the working intensity of operators is high as well. And fourthly, the terrain adaptability of the existing remote control mower is not comprehensive enough, the existing remote control mower is easy to slip on a large slope, and the mowing efficiency is limited.

Disclosure of Invention

The invention aims to provide a flexible shaft type crankshaft transmission all-terrain remote control mower which aims to solve the technical problems of poor stability, low efficiency, high labor intensity of personnel, high labor cost and the like of slope operation in the conventional mowing or harvesting working mode.

In order to solve the technical problems, the invention adopts the technical scheme that: a flexible shaft type crankshaft transmission all-terrain remote control mower comprises a chassis, a remote control circuit and a power system, wherein the power system comprises a fuel motor and is characterized in that the fuel motor is arranged on the chassis, a power output shaft of the fuel motor is respectively connected with a power input shaft of a generator and a power input shaft of a speed changer, and the generator is electrically connected with the remote control circuit;

the chassis is movably connected with driving wheel brackets at two sides of the chassis through a hinge shaft, wherein a left driving motor and two left driving wheels driven by the left driving motor are arranged on a left driving wheel bracket;

the transmission is also provided with a plurality of power output shafts, the tail ends of the power output shafts are connected with the head end of the flexible shaft, the front end of the chassis is connected with the main mowing frame, and the bottom of the main mowing frame is provided with a universal wheel; the two sides of the main mowing frame are hinged with flank mowing frames, universal wheels are also arranged at the bottoms of the flank mowing frames, scissors type mowing knives are arranged at the bottoms of the main mowing frame and the flank mowing frames, and the tail ends of the flexible shafts are connected with mowing power input shafts on the scissors type mowing knives; the scissors type mowing knife comprises a mowing fixed knife and a mowing moving knife arranged on the mowing fixed knife, wherein a fixed plate is arranged on the mowing fixed knife and is connected with a flank mowing frame or a main mowing frame, sawteeth are arranged on one side of the mowing fixed knife and one side of the mowing moving knife, a stand column is arranged on the mowing moving knife and is rotatably connected with the head end of a push rod, a mowing power input shaft is arranged at the tail end of the flexible shaft, a crankshaft is arranged at the position, deviating from the axis center, of the bottom of the mowing power input shaft, and the crankshaft is rotatably connected with the tail end of the.

Preferably, the front end face and the rear end face of the fuel motor are respectively provided with a front end face power output shaft and a rear end face power output shaft, and the front end face power output shaft is connected with the power input shaft of the transmission.

Preferably, a driving wheel is arranged on a power input shaft of the transmission, a driven wheel is arranged on a power output shaft of the transmission, and the driving wheel drives the driven wheel.

Preferably, the front end face power output shaft is coupled with a power input shaft of the transmission through a clutch.

Preferably, the fuel motor is arranged on the chassis, and the hinge shaft is arranged in a region between the mounting position of the center of gravity of the fuel motor on the chassis and the rear end of the chassis.

Preferably, a left driving motor is mounted at the end part of the left driving wheel bracket, a rotating shaft is mounted at the other end part of the left driving wheel bracket, a driving shaft of the left driving motor and the rotating shaft are provided with synchronous pulleys, and the synchronous pulleys are connected through a synchronous belt; a right driving motor is installed at the end of the right driving wheel support, a rotating shaft is installed at the other end of the right driving wheel support, a synchronous belt wheel is installed on a driving shaft and the rotating shaft of the right driving motor, and the synchronous belt wheel is connected through a synchronous belt.

Preferably, the left driving wheel bracket is provided with two support plates, the end parts of the two support plates are respectively connected with two end faces of the left driving motor, the other end parts of the two support plates are connected with two ends of a rotating shaft sleeve, and a rotating shaft is arranged in the rotating shaft sleeve.

The invention has the characteristics of reasonable design, reliable operation and high working efficiency. The combined application of the fuel motor and the electric four-wheel drive has extremely high energy utilization efficiency, and the control circuit has stable work and high automation degree. The fuel motor drives the scissor type mowing knives through the flexible shafts, mowing power is distributed to the scissor type mowing knives, and the scissor type mowing knives adopt a crank connecting rod transmission mode, so that grass accumulation and dust pollution can be prevented. The mowing machine has the advantages of wide mowing width, low energy consumption and few faults, greatly improves the operating efficiency and ensures that the mowing height is approximately kept consistent. The electric energy generated by the generator is directly distributed to the motor through the remote control circuit, so that the moving capability is provided for the whole machine. The four-wheel driving mechanism has strong adaptability, differential steering and good trafficability, and can easily cut or harvest weeds or crops in environments with difficult manual operation through complex terrains such as embankment slope surfaces, shrubs, undulating grasslands and the like. The flexible shaft is matched with the scissor type mowing knife tightly, grass is not blocked and accumulated during working, the terrain adaptability is strong, the labor intensity of operators is greatly reduced, the working environment is improved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

FIG. 2 is a top view of one embodiment of the present invention;

FIG. 3 is a top view of the scissor mower of the present invention;

FIG. 4 is a schematic representation of the gearing of one transmission of the present invention;

FIG. 5 is a schematic representation of the gearing of another transmission of the present invention;

fig. 6 is a block diagram of a control circuit of the present invention.

Detailed Description

The technical solution of the present invention is further described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, 2, 3, 4, 5 and 6, the flexible shaft type crankshaft transmission all-terrain remote control mowing robot is a flexible shaft type crankshaft transmission all-terrain remote control mowing machine and comprises a chassis 1, a control circuit box 6, a power system and a scissor type mowing knife, wherein the power system comprises a fuel motor 2 and a generator 5, and a power output shaft of the fuel motor is directly connected or indirectly connected with a rotating shaft of the generator 5 in a transmission mode. The fuel motor power take off shaft is also in direct or indirect transfer connection with the transmission power input shaft 21.

One preferred way is to: the front end face and the rear end face of the fuel motor are respectively provided with a front end face power output shaft 20 and a rear end face power output shaft 21, the rear end face power output shaft 21 directly transmits power to the generator 5 at the rear part of the rear end face power output shaft, and the rear part of the generator 5 is provided with a control circuit box 6. The generator 5 is electrically connected with a remote control circuit 60 in the control circuit box 6 to provide driving power for the whole machine.

The front end of the chassis 1 is fixedly connected with a main mowing frame 11, and the bottom of the main mowing frame is provided with a universal wheel 110.

Two sides of the main mowing frame are hinged with flank mowing frames 111, the bottoms of the flank mowing frames are also provided with universal wheels 113, and the bottoms of the main mowing frame and the flank mowing frames are provided with scissor type mowing knives 3.

To facilitate expansion, main mower frame 11 is provided with a polygonal expansion base 115, and each side of expansion base 115 may be hinged to a wing mower frame 111.

The front-end power take-off shaft 20 located on the front end of the fuel motor is connected to the power input shaft 9 of a transmission 8 via a clutch 7. The transmission is also provided with a plurality of power output shafts 12, a driving wheel 10 is arranged on the power input shaft 9, and a driven wheel 16 is arranged on the power output shaft 12.

In the transmission 8, the driving wheel 10 transmits power by transmitting the driven wheel 16, and the transmission mode can be as shown in fig. 4: the power input shaft 9 is provided with a driving gear 10, the power output shaft 12 is provided with a driven gear 16, and transmission is realized in a manner that the driving gear 10 is meshed with the driven gear 16, or in a belt transmission manner such as a synchronous belt shown in fig. 3 and 4, or in a chain transmission manner.

The power output shaft 12 is connected with the head end of the flexible shaft 13, the tail end of the flexible shaft 13 is connected with a mowing power input shaft 37 on the scissor type mowing knife 3, and the flexible shaft 13 rotates to drive the scissor type mowing knife 3 to rotate.

As can be seen from fig. 3, the scissor-type mowing blade 3 includes a mowing stationary blade 32 and a mowing moving blade 33 disposed on the mowing stationary blade, and the mowing stationary blade 32 and the mowing moving blade 33 are slidably connected, that is, implemented by using a scissor-type sliding connection structure commonly used in existing crop harvesters. The fixed mowing knife 32 is provided with a fixed plate 38, the fixed plate 38 is connected with a flank mowing machine frame or a main mowing machine frame, sawteeth are arranged on one side of the fixed mowing knife 32 and one side of the movable mowing knife 33, the movable mowing knife is provided with an upright post 330, the upright post 330 is rotatably connected with the head end of a push rod 331, the tail end of the flexible shaft 13 is provided with a mowing power input shaft 37, the bottom of the mowing power input shaft 37 deviates from the axis and is provided with a crank shaft 332, and the crank shaft 332 is rotatably connected with the tail end.

Two sides of the chassis 1 are respectively provided with a driving wheel bracket 5, the chassis 1 is movably connected with the driving wheel brackets 50 and 500 through a hinge shaft 15, and the hinge shaft is arranged in the area between the installation position A of the gravity center of the fuel motor on the chassis and the rear end of the chassis. The left driving wheel bracket is provided with a left driving motor 51 and two left driving wheels 511 and 512 driven by the left driving motor, the right driving wheel bracket is provided with a right driving motor 53 and two right driving wheels 531 and 532 driven by the right driving motor, and the left driving motor 51 and the right driving motor 53 are respectively and electrically connected with the remote control circuit 60.

Specifically, the method comprises the following steps: the end of the left driving wheel bracket 50 is provided with a left driving motor 51, the other end of the left driving wheel bracket 50 is provided with a rotating shaft 55, a driving shaft of the left driving motor and the left rotating shaft 55 are provided with synchronous pulleys 58 or umbrella-shaped gears, the end of the driving shaft and the rotating shaft of the left driving motor is also fixed with left driving wheels 511 and 512, and the synchronous pulleys are in transmission connection through a synchronous belt 57. If the bevel gear is the bevel gear, the bevel gear is in transmission connection through a rotating shaft with the bevel gear.

The end of the right driving wheel bracket is provided with a right driving motor 53, the other end of the right driving wheel bracket 500 is provided with a right rotating shaft 550, a driving shaft of the right driving motor and the right rotating shaft 550 are provided with a synchronous pulley 580 or an umbrella-shaped gear, the end of the driving shaft and the rotating shaft of the right driving motor are also fixed with right driving wheels 531 and 532, and the synchronous pulley 580 is in transmission connection through a synchronous belt 570. The bevel gear is in transmission connection with a rotating shaft with the bevel gear.

The better mode is as follows: the left driving wheel bracket is provided with two support plates (501, 502), the end parts of the two support plates (501, 502) are respectively connected with two end faces of a speed reducer 521 of a left driving motor, the other end parts of the two support plates are connected with two ends of a rotating shaft sleeve 56, and a left rotating shaft 55 is arranged in the rotating shaft sleeve 56. Of course, the right side driving wheel support is structured with the left side driving wheel support.

As shown in fig. 5, the remote control circuit 600 includes a voltage stabilizing rectifier module, a motor driving module, and a remote control receiving module, the generator 5 is connected to the input terminal of the voltage stabilizing rectifier module, the voltage stabilizing rectifier module outputs 36-60V, and the output terminal of the voltage stabilizing rectifier module is connected to the power terminals of the motor driving module and the remote control receiving module respectively to provide power for each circuit.

The remote control receiving module comprises a first signal transceiving circuit, a signal decoding circuit (decoder), a signal returning circuit and the like. The signal decoding circuit is respectively connected with the left motor driving module and the right motor driving module, the motor driving modules are respectively connected with the left motor and the right motor, the remote controller can control the left motor and the right motor through the handheld remote control module, the rotating direction of the left driving wheel and the right driving wheel is changed, and the remote control operation of an operator is facilitated.

The hand-held remote control transmitting module corresponds to the remote control receiving module and comprises an operating keyboard such as an operating rod and an on-off key, a second signal transceiving circuit, a signal coding circuit (encoder), a signal returning circuit, a signal separating circuit and the like, wherein the signal returning circuit can feed the state of the machine back to the hand-held remote control transmitting module in real time, and various parameters are displayed on a monitoring screen after passing through the signal separating circuit.

Because multi-channel signals are needed for forward rotation, reverse rotation and differential rotation of the double motors, the remote control transmitting module is correspondingly controlled by the multi-channel signals.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.