CN109197114B - Self-propelled chassis liftable mower - Google Patents
Self-propelled chassis liftable mower Download PDFInfo
- Publication number
- CN109197114B CN109197114B CN201811341602.8A CN201811341602A CN109197114B CN 109197114 B CN109197114 B CN 109197114B CN 201811341602 A CN201811341602 A CN 201811341602A CN 109197114 B CN109197114 B CN 109197114B
- Authority
- CN
- China
- Prior art keywords
- chassis
- wheel
- engine
- driving wheel
- rocker arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
- A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
- A01D34/685—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels with two or more cutters
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/74—Cutting-height adjustment
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/82—Other details
- A01D34/828—Safety devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The technology relates to the field of forestry machinery and provides a self-propelled chassis liftable mower, wherein mechanical power is intensively provided by an engine in a generator assembly, and a power supply is intensively provided by a generator in the generator assembly; the mechanical power of the traveling device is split by the electric control transmission case and is respectively controlled and output to the corresponding traveling driving wheel shaft by the two rotating speed electromagnetic clutches so as to drive the driving wheel; the chassis can be lifted, is suitable for mowing operation with different stubble leveling height requirements, and has flexible advance and retreat and sensitive steering; the double-cutterhead flail knife device is rotatably arranged below the chassis, and a chassis adjusting device is arranged between the chassis and the running gear and used for adjusting the height of the chassis; the electric appliance control system is arranged on the chassis; the electric control system, the hydraulic system and the electric control variable speed transmission box are all powered by the generator.
Description
Technical Field
The technology relates to the field of forestry machinery and provides a self-propelled chassis liftable mower, wherein mechanical power is intensively provided by an engine, and power is intensively provided by a generator; the mechanical power of the traveling device is split by the electric control transmission case and is respectively controlled and output to the corresponding traveling driving wheel shaft by the two rotating speed electromagnetic clutches so as to drive the driving wheel; the chassis can be lifted, is suitable for mowing operation with different stubble leveling height requirements, and has flexible advance and retreat and sensitive steering.
Background
Mechanical mowing is widely used for maintenance and continuous cropping of urban green space gardening as a weeding mode with high efficiency and long working duration.
In the prior art, simple mowers are mainly divided into two types, namely hand pushing type mowers and backpack type mowers. Although the market price of the two types of mowers is relatively low, the two types of mowers have the following defects in the using process: the cutting short-acting rate is low, the long-time operation is not suitable, the intelligent degree is low, the manpower consumption is large, and the use cost is high.
With the development of technology, the market share of advanced mowers represented by four-wheel drive riding mowers and self-propelled remote control mowers is greatly improved. The riding mower adopts a manner of mowing operation by a man-driven machine, and the problem of manpower consumption is not solved; the self-propelled remote control mower operates in a mode of matching multiple generators with multiple power machines (for example, two walking driving wheel shafts and two cutter head rotating shafts of a machine walking device are respectively provided with a driving motor), and the beneficial effects of independent control of the walking devices at two sides and double increase of mowing width can be realized.
In addition, different stubble leveling heights (residual mowing amounts) are required for different grass seeds and in different seasons.
The rapid development of gardening industry is urgent to meet the requirements of mowing operation integrated with mowing operation with remote control, flexible advance and retreat, sensitive steering, higher operation efficiency and good suitability for different terrains and meeting the requirements of different stubble levels.
Disclosure of Invention
The technical aim is to provide a self-propelled chassis liftable mower, wherein mechanical power is intensively provided by an engine, and power is intensively provided by a generator; the mechanical power of the traveling device is split by the electric control transmission case and is respectively controlled and output to the corresponding traveling driving wheel shaft by the two rotating speed electromagnetic clutches so as to drive the driving wheel; the chassis can be lifted, is suitable for mowing operation with different stubble leveling height requirements, and has flexible advance and retreat and sensitive steering.
The aim of the technology is realized by the following technical scheme:
a self-propelled chassis liftable mower comprises a chassis, a travelling device, a generator component and an electric appliance control system, wherein the travelling device, the generator component and the electric appliance control system are arranged on the chassis; the generator assembly comprises an engine and a generator driven by the engine, wherein the engine is arranged along the longitudinal direction of the chassis; the device also comprises a walking power transmission device which is driven by the engine and transmits power to the walking device, and a flail knife power transmission device which is driven by the engine and transmits power to the double-cutterhead flail knife device; the walking power transmission device comprises an electric control speed change transmission box arranged between the engine and the walking device, and also comprises a walking power input shaft which is led out by the engine and inputs the power output by the engine into the electric control speed change transmission box, wherein the power input by the walking power input shaft is split by the electric control speed change transmission box and is respectively controlled and output by two rotating speed electromagnetic clutches in the electric control speed change transmission box; the chassis adjusting device comprises a wheel fixed plate, a rocker arm supporting plate vertically and fixedly connected to the chassis, an upper rocker arm, a rocker arm connecting beam, a hydraulic cylinder supporting plate, a hydraulic cylinder, a lower rocker arm connecting beam, a hydraulic cylinder connecting beam and a hydraulic cylinder connecting beam, wherein two ends of the upper rocker arm are respectively hinged to the wheel fixed plate and the upper rocker arm of the rocker arm supporting plate; the driving wheel and the driven wheel are both rotatably arranged on the wheel fixing plate, and the double-L-shaped speed reducer is connected with the walking driving wheel shaft through a universal coupling; the electric appliance control system is used for receiving the remote control signal and is electrically connected with the electric control speed changing transmission case, a hydraulic system at least comprising a hydraulic cylinder and a hydraulic servo system; the electric control system, the hydraulic system and the electric control variable speed transmission box are all powered by the generator.
The beneficial effects of the technology are as follows:
when the self-propelled chassis-liftable mower works:
starting an engine to output mechanical power, and driving a generator to generate power to supply power to an electric appliance control system, a hydraulic system and an electric control variable speed transmission box by the engine;
according to the stubble height requirement, the height of the chassis is adjusted: the stubble leveling height is required to be improved, namely the chassis provided with the double-cutter disc flail knife device is required to be lifted, and the distance between the double-cutter disc flail knife device for specifically executing mowing action and the ground is increased, so that the stubble leveling height is improved; the specific implementation process is as follows: the electric control system starts the hydraulic system to drive the actuating rod of the hydraulic cylinder to extend outwards, the outer ends of the upper rocker arm and the lower rocker arm move downwards to drive the wheel fixed plate to move downwards relative to the chassis, the chassis moves upwards relative to the driving wheel and the driven wheel which are rotatably arranged on the wheel fixed plate, the chassis rises, when the height of the chassis is set to correspond to the stubble leveling height, the actuating rod of the hydraulic cylinder is locked at the extending length, and the chassis is locked at the height; when the walking device of the self-propelled chassis liftable mower is impacted, the hydraulic servo system enables the hydraulic cylinder to execute the task of the hydraulic spring to absorb shock;
one path of mechanical power is input into an electric control variable speed transmission box through a traveling power input shaft, under remote control, the electric control variable speed transmission box is controlled by an electric control system, so that two rotating speed electromagnetic clutches in the electric control variable speed transmission box work independently and can be connected or disconnected at any time, the switching of a fast gear and a slow gear is realized, the traveling device is controlled to travel fast or slowly in real time, and then the single-side rotating speed electromagnetic clutch is locked or one side rotating speed electromagnetic clutch rotates forward and the other side rotates backward, and small-radius turning or in-situ turning can be realized;
the other path of mechanical power is transmitted to the double-cutter disc flail knife device through the flail knife power transmission device to drive the double-cutter disc flail knife device to rotate at a high speed, and grass in the action area of the double-cutter disc flail knife device is cut off under the action of the double-cutter disc flail knife device rotating at the high speed.
The self-propelled chassis liftable mower is characterized in that mechanical power is provided by an engine in a concentrated mode, and a power supply is provided by a generator in a concentrated mode; the mechanical power of the traveling device is split by the electric control transmission case and is respectively controlled and output to the corresponding traveling driving wheel shaft by the two rotating speed electromagnetic clutches so as to drive the driving wheel; the chassis of the device can be lifted, is suitable for mowing operations with different stubble leveling height requirements, and can be remotely controlled, flexibly advanced and retreated and flexibly turned.
As an improvement of the technology, the traveling device is a wheel type, and comprises traveling driving wheel shafts which are rotatably arranged at two sides of the front end of the chassis, a driving wheel fixedly connected to the traveling driving wheel shafts, and driven wheels which are rotatably arranged on wheel fixing plates at two sides of the rear end of the chassis.
The walking device with the structure has good suitability for a harder work place with smaller surface relief.
As another improvement of the technology, the walking device is crawler-type and comprises a walking driving wheel shaft which is rotatably arranged at two sides of the front end of the chassis, a driving wheel fixedly connected with the walking driving wheel shaft, and a driven wheel which is rotatably arranged on wheel fixing plates at two sides of the rear end of the chassis; the wheel fixing plates on the same side are fixedly connected into an integral wheel frame, the supporting wheels arranged on the wheel frame are rotated to move the tracks arranged on the driving wheel, the supporting wheels and the driven wheels, and the tensioning wheels for adjusting the tensioning degree of the tracks are also rotationally arranged on the wheel frame.
The walking device with the structure has the advantages of good ground grabbing capability, strong climbing capability, large contact area with the ground and good suitability for softer and more complex terrain working places.
As a further improvement to the present technology, the hydraulic cylinder is a plunger cylinder.
The plunger cylinder is selected, so that the requirement on higher rigidity of the actuating rod can be better met.
As a further improvement to the technology, the double-cutter disc flail knife device comprises two cutter disc rotating shafts which are rotatably arranged at two sides of the chassis, a cutter disc fixedly connected with the lower end of the cutter disc rotating shafts, and a flail knife hinged on the cutter disc; the two cutter head rotating shafts are arranged on the chassis along the transverse movement of the chassis.
The improvement is that the flail knife is hinged with the cutterhead, so that the flail knife can be allowed to run off when encountering hard foreign matters, and the flail knife and the cutterhead are protected; the two cutter disc rotating shafts are arranged on the chassis along the transverse movement of the chassis, and the distance between the two vertically arranged cutter disc rotating shafts can be adjusted to adapt to the operation tasks of different cutting widths.
As a further improvement to the technology, the flail knife power transmission device comprises a flail knife power input shaft which is led out by an engine and used for inputting power output by the engine into a T-shaped commutator which is used for changing the power transmission direction from the longitudinal direction of a chassis to the transverse direction of the chassis, two L-shaped commutators which are arranged at two ends of the T-shaped commutator and used for changing the transmission direction of power output by the T-shaped commutator from the transverse direction of the chassis to the vertical direction of the chassis, and cutter disc rotating shafts are respectively arranged at the lower ends of flail knife power output shafts of the two L-shaped commutators.
Drawings
FIG. 1 is a schematic view of a self-propelled chassis-liftable mower (reel mower);
FIG. 2 is a schematic diagram of the connection of the flail with the cutterhead;
FIG. 3 is a schematic view of another attachment of the flail to the cutterhead;
fig. 4 is an enlarged view of view 1 at a of fig. 1;
fig. 5 is an enlarged view of view 2 at a of fig. 1;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic view of a part of the construction of the flail power transmission device 1;
FIG. 8 is a schematic view of a part of the construction of the flail power transmission device 1;
FIG. 9 is a schematic view of a self-propelled chassis-elevating mower (tracked mower);
fig. 10 is a schematic view of the structure of fig. 9 with one side track removed.
Detailed Description
The present technology is further described below with reference to the accompanying drawings:
referring to fig. 1, 2 and 3, the self-propelled chassis liftable mower comprises a chassis 10, a travelling device 2 arranged on the chassis 10, a generator assembly 7 and an electric appliance control system 13, a double-cutter flail knife device 14 arranged under the chassis 10 in a rotating manner, and a chassis adjusting device 12 arranged between the chassis 10 and the travelling device 2 and used for adjusting the height of the chassis 10.
The generator assembly 7 comprises an engine 7.1 arranged longitudinally along the chassis 10 and a generator 7.2 driven by the engine 7.1; the device also comprises a walking power transmission device which is driven by the engine 7.1 and transmits power to the walking device 2, and a flail power transmission device 5 which is driven by the engine 7.1 and transmits power to the double-cutterhead flail device 14.
The walking power transmission device comprises an electric control speed changing transmission box 4 arranged between an engine 7.1 and a walking device 2, and further comprises a walking power input shaft 6 which is led out by the engine 7.1 and inputs the power output by the engine 7.1 into the electric control speed changing transmission box 4, wherein the power input by the walking power input shaft 6 is divided by the electric control speed changing transmission box 4 and is respectively controlled and output by two rotating speed electromagnetic clutches (not shown in the figure) in the electric control speed changing transmission box 4, two walking power output shafts 4.1 are connected with the two walking power output shafts 4.1, a double-L-shaped speed reducer 3 which is used for changing the power transmission direction from the longitudinal direction of a chassis 10 to the transverse direction of the chassis 10 and reducing the speed is connected with output shafts 1.1 and 1.2 of the double-L-shaped speed reducer 3, and two walking driving wheel shafts 2.3 which are respectively fixedly connected with driving wheels 2.1 of the walking device 2.
Referring to fig. 4, 5 and 6 again, the chassis adjusting device 12 includes a wheel fixing plate 12.9 vertically arranged, a rocker arm supporting plate 12.6 vertically fixedly connected to the chassis 10, an upper rocker arm 12.4 with two ends respectively hinged to the upper ends of the wheel fixing plate 12.9 and the rocker arm supporting plate 12.6, a lower rocker arm 12.3 with two ends respectively hinged to the lower ends of the wheel fixing plate 12.9 and the rocker arm supporting plate 12.6 and equal to the upper rocker arm 12.4 and parallel to the upper rocker arm 12.4, a rocker arm connecting beam 12.8 with two ends fixedly connected to the lower rocker arm 12.3 on the same side, a hydraulic cylinder supporting plate 12.7 vertically fixedly connected to the chassis 10, and a hydraulic cylinder 12.1 hinged between the rocker arm connecting beam 12.8 and the hydraulic cylinder supporting plate 12.7 on the same side and used for driving the lower rocker arm 12.3 to swing synchronously; the driving wheel 2.1 and the driven wheel 2.2 are both rotatably arranged on a wheel fixed plate 12.9, and the output shafts 1.1 and 1.2 of the double-L-shaped speed reducer 3 are respectively connected with two walking driving wheel shafts 2.3 through universal couplings 12.2.
The electrical control system 13 is used for receiving remote control signals and is electrically connected with the electrically-controlled variable transmission case 4, the hydraulic system 11 at least comprising a hydraulic cylinder 12.1 and a hydraulic servo system (not shown in the figure) and the engine 7.1; both the electric control system 13 and the electrically controlled gearbox 4 are powered by the generator 7.2.
In fact, the function of the electrical control system 13 is to receive remote control signals, to be weakly electrically connected to the electrically controlled gearbox 4, the hydraulic system 11 and the engine 7.1, and to control the rotational speeds of the electrically controlled gearbox 4, the hydraulic system 11 and the engine 7.1, which are not described in detail in the prior art.
The chassis 10 is a space truss structure with a flat upper surface.
The walking device 2 adopts crawler-type and wheel-type structures.
Chassis adjustment device 12:
the wheel stator 12.9 is of flange structure. The upper rocker arm 12.4 is identical to the lower rocker arm 12.3. The wheel stator 12.9, the rocker arm support plate 12.6, the upper rocker arm 12.4 and the lower rocker arm 12.3 form a parallelogram mechanism. A vertical U-shaped groove is formed in the middle of the rocker arm supporting plate 12.6, and the universal coupling 12.2 penetrates through the U-shaped groove. The vertical planes determined by the perpendicular bisectors of the upper rocker arm 12.4 and the lower rocker arm 12.3 are coincident with the plane passing through the axis of the universal coupling 12.2, and the axes of the perpendicular bisectors of the upper rocker arm 12.4 and the lower rocker arm 12.3 and the walking driving wheel shaft 2.3 are coplanar.
The front and rear lower rocker arms 12.3 on the same side are fixedly connected into a rigid whole through rocker arm connecting beams 12.8.
The hydraulic cylinder support plate 12.7 and the rocker arm connecting beam 12.8 are fixedly connected with the hydraulic cylinder hinged support 12.5, and the cylinder body and the actuating rod of the hydraulic cylinder 12.1 are respectively hinged on the upper hydraulic cylinder hinged support 12.5 and the lower hydraulic cylinder hinged support 12.5.
At least two hydraulic cylinders 12.1 (two are selected in the scheme) for driving the front and rear lower rocker arms 12.3 on the same side to swing; the hydraulic cylinders 12.1 on both sides are symmetrical about the central axis of the chassis 10.
In order to meet the requirement of higher rigidity of the actuating rod, the hydraulic cylinder is a plunger cylinder.
Referring to fig. 9 and 10 again, the crawler-type running gear comprises two axle lines co-linear running driving wheel shafts 2.3 rotatably arranged at the front end of the chassis 10, a driving wheel 2.1 is fixedly connected to the outer ends of the two running driving wheel shafts 2.3, a wheel carrier 2.5 fixedly connected with a wheel fixing plate 12.9 at the same side into a whole, a driven wheel 2.2 rotatably arranged on the wheel fixing plates 12.9 at the two sides of the rear end of the chassis 10, a wheel carrier 2.5 fixedly connected with the wheel fixing plate 12.9 at the same side into a whole, a supporting wheel 2.7 rotatably arranged on the wheel carrier 2.5, a crawler belt 2.6 movably arranged on the driving wheel 2.1, the supporting wheel 2.7 and the driven wheel 2.2, and a tensioning wheel 2.4 for adjusting the tensioning degree of the crawler belt 2.6 is rotatably arranged on the wheel carrier 2.5.
In fact, the driving wheel 2.1 is in a hub bearing structure, the upper rocker arm 12.4 and the lower rocker arm 12.3 are connected to the bearing rings (the wheel fixed plate 12.9) of the driving wheel 2.1 and the driven wheel 2.2 in a hinged connection manner, the supporting frame 2.8 is mounted on the bearing ring of the driving wheel 2.1, the supporting frame 2.8 is fixed on the wheel frame 2.5 through bolts, and the rotating ring of the driving wheel 2.1 is connected with the universal coupling 12.2; the structure of the tensioning wheel 2.4 and the connection mode with the wheel frame 2.5 and the crawler belt 2.6 are the prior art, and are not repeated; each side of the two hydraulic cylinders 12.1 are hinged between the wheel frame 2.5 and the hydraulic cylinder supporting plate 12.7, when the hydraulic cylinders 12.1 are lengthened or shortened, the whole up-and-down movement of the crawler travelling device is realized, so that the chassis of the mower is lifted, and when the length of an extension rod of the hydraulic cylinder is fixed, the upper rocker arm and the lower rocker arm are locked, so that mowing operation can be performed; meanwhile, the crawler-type travelling device realizes four-wheel drive of machine travelling, increases the climbing capacity of the machine, and meets the requirements of steep slope stubble leveling operation of the machine.
The mower adopting the crawler-type travelling device is a crawler-type mower.
The wheel type walking device comprises two walking driving wheel shafts 2.3 which are rotatably arranged at the front end of the chassis 10 and have collinear axes, and a driving wheel 2.1 is fixedly connected with the outer ends of the two walking driving wheel shafts 2.3; the driven wheels 2.2 provided on the wheel securing plates 12.9 on both sides of the rear end of the chassis 10 are turned. To improve interchangeability, the driven wheel 2.2 is identical to the driving wheel 2.1.
The mower adopting the wheeled walking device is a wheeled mower.
In the walking power transmission device:
the electric control transmission case 4 adopts the technology of patent application number 201610250888.3, under the action of the electric control system 13, two rotating speed electromagnetic clutches in the electric control transmission case 4 in the technology work independently and can be connected or disconnected at any time so as to realize the switching of a fast gear and a slow gear, and the fast or slow running of a vehicle is controlled in real time, and then, the single-side rotating speed electromagnetic clutch is locked or one side rotating speed electromagnetic clutch rotates positively and reversely, so that the small-radius turning or in-situ turning can be realized.
Two independently working L-shaped reducers with input shafts perpendicular to output shafts are integrated in a box body to form a double-L-shaped reducer 3, two longitudinal input shafts of the double-L-shaped reducer 3 along the chassis 10 are positioned on the same side of the box body, and two transverse output shafts 1.1 and 1.2 of the double-L-shaped reducer 3 along the chassis 10 are opposite and have collinear axes.
Two input shafts (not shown in the figure) of the double-L-shaped speed reducer 3 are respectively connected with two walking power output shafts 4.1 through couplings. Two output shafts (not shown in the figure) of the double-L-shaped speed reducer 3 are respectively connected with the walking driving wheel shafts 2.3 on the same side through universal couplings 12.2.
The flail power transmission device 5 comprises a flail power input shaft 5.4 which is led out by an engine 7.1 and is used for inputting power output by the engine 7.1 into a T-shaped commutator 5.3 used for changing the power transmission direction from the longitudinal direction of the chassis 10 to the transverse direction of the chassis 10, two L-shaped commutators 5.1 which are arranged at two ends of the T-shaped commutator 5.3 and are used for changing the transmission direction of the power output by the T-shaped commutator 5.3 from the transverse direction of the chassis 10 to the vertical direction of the chassis 10, and cutter disc rotating shafts 16 are respectively arranged at the lower ends of the flail power output shafts of the two L-shaped commutators 5.1.
The power of the walking power input shaft 6 is transmitted to the flail knife power input shaft 5.4 by adopting the V-shaped belt 8 transmission.
The T-shaped reverser 5.3 is used for evenly dividing the power input by the flail knife power input shaft 5.4 to two T-shaped reverser output shafts 5.5 positioned at two sides of the T-shaped reverser 5.3, the flail knife power input shaft 5.4 is along the longitudinal direction of the chassis 10, and the two T-shaped reverser output shafts 5.5 are along the transverse direction of the chassis 10. The specific implementation mode is that two identical bevel gears fixedly connected with T-shaped reverser output shafts are meshed with the left side and the right side of the bevel gears fixedly connected with flail knife power input shafts, so that the power input by the flail knife power input shafts is evenly split into two T-shaped reverser output shafts, and the steering directions of the two T-shaped reverser output shafts are opposite.
Referring again to fig. 7 and 8, the L-shaped commutator input shaft 5.6 of the two L-shaped commutators 5.1 and the two T-shaped commutator output shafts 5.5 of the T-shaped commutators 5.3 are connected by the coupling 5.2. A dovetail groove 9.3 is formed in a support frame 9 which is transversely arranged along the chassis 10 and fixedly connected to the chassis 10, a plurality of connecting holes 9.1 are formed in the notch of the dovetail groove 9.3 along the longitudinal direction of the dovetail groove 9.3, two L-shaped commutators 5.1 and the dovetail groove 9.3 form a guide groove sliding block pair, and screws (not shown in the figure) are used for fixedly connecting the two L-shaped commutators 5.1 with the support frame 9 through the connecting holes 9.1. The T-shaped commutator 5.3 is fixed to the support frame 9 by means of screws (not shown) through the connection holes 9.1. Bearing holes 9.2 are formed in the front and rear sections of the support frame 9, and bearings 6.1 are embedded in the support frame to provide rotary support for the walking power input shaft 6.
The two L-shaped reverser output shafts (not shown in the figure) of the two L-shaped reversers 5.1 are flail knife power output shafts. A cutter head rotating shaft 16 is fixedly connected with the lower end of the power output shaft of each flail knife. A bearing 15 is embedded on the frame to improve the rotation support for the cutter head rotating shaft 16.
The double-cutter flail knife device 14 comprises two cutter knife rotating shafts 16 which are rotatably arranged on two sides of the chassis 10, a cutter knife 19 which is fixedly connected with the lower end of the cutter knife rotating shaft 14, and a flail knife which is hinged on the cutter knife 19.
The length of the L-shaped commutator input shaft 5.6 determines the mowing width (cutting width), the L-shaped commutator input shaft 5.6 is replaceable, and the two cutter head rotating shafts 16 are movably arranged on the supporting frame 9 through the two L-shaped commutators 5.1 and can be arranged on the chassis 10 along the transverse movement of the chassis 10. The length of the L-shaped commutator input shaft 5.6 is lengthened and the corresponding mowing width is widened.
The double-cutter disc flail knife device 14 for mowing is characterized in that flail knives 18 are hinged with a cutter disc 19 through cylindrical pins 17, and the flail knives 18 are uniformly distributed along the circumferential direction of the cutter disc 19. The flail knife and cutterhead can be connected as shown in fig. 2: the flail 18 is directly connected with the cutter 19 through the cylindrical pin 17, or as shown in fig. 3, the flail 18 is connected with the transition blade 20 through the cylindrical pin 17, the transition blade 20 is connected with the cutter 19 through the cylindrical pin 21, and when the flail 18 encounters a hard foreign matter during machine operation, the flail 18 can be used for letting the flail, and the flail 18 and the cutter 19 are protected.
The rotation speed of the cutterhead 19 is regulated and controlled by the rotation speed of the engine, and the rotation directions of the two cutterheads 19 are opposite.
When the self-propelled chassis-liftable mower of the technology works:
according to the cutting requirements, the distance between the two L-shaped commutators is adjusted, and the two L-shaped commutators are fixedly connected with the supporting frame;
starting an engine to output mechanical power, and driving a generator to generate power to supply power to an electric appliance control system, a hydraulic system and an electric control variable speed transmission box by the engine;
according to the stubble height requirement, the height of the chassis is adjusted: the stubble leveling height is required to be improved, namely the chassis provided with the double-cutter disc flail knife device is required to be lifted, and the distance between the double-cutter disc flail knife device for specifically executing mowing action and the ground is increased, so that the stubble leveling height is improved; the specific implementation process is as follows: under remote control, the electric control system starts the hydraulic system to drive the hydraulic cylinder actuating lever to extend outwards, the outer ends of the upper rocker arm and the lower rocker arm move downwards to drive the wheel fixed plate to move downwards relative to the chassis, the chassis moves upwards relative to the driving wheel and the driven wheel which are rotatably arranged on the wheel fixed plate, the chassis rises, when the height of the chassis is set to correspond to the stubble leveling height, the actuating lever of the hydraulic cylinder is locked at the extending length, and the chassis is locked at the height; when the walking device of the self-propelled chassis liftable mower is impacted, under the action of an electric appliance control system, a hydraulic cylinder executes the task of a hydraulic spring through a hydraulic servo system to absorb shock;
one path of mechanical power is input into an electric control variable speed transmission box through a traveling power input shaft, under remote control, the electric control variable speed transmission box is controlled by an electric control system, so that two rotating speed electromagnetic clutches in the electric control variable speed transmission box work independently and can be connected or disconnected at any time, the switching of a fast gear and a slow gear is realized, the traveling device is controlled to travel fast or slowly in real time, and then the single-side rotating speed electromagnetic clutch is locked or one side rotating speed electromagnetic clutch rotates forward and the other side rotates backward, and small-radius turning or in-situ turning can be realized;
the other path of mechanical power is transmitted to the double-cutter disc flail knife device through the flail knife power transmission device to drive the double-cutter disc flail knife device to rotate at a high speed, and grass in the action area of the double-cutter disc flail knife device is cut off under the action of the double-cutter disc flail knife device rotating at the high speed.
In the mowing operation process, when the self-propelled chassis liftable mower encounters a hard obstacle, under the control of the electric appliance control system, the hydraulic servo system acts to enable the hydraulic cylinder to bear the function of a hydraulic spring, and the actuating rod of the hydraulic cylinder has a small damping effect relative to the cylinder body, so that damping protection is provided for the whole mower.
The beneficial effects of the technology are as follows:
the self-propelled chassis liftable mower is characterized in that mechanical power is provided by an engine in a concentrated mode, and a power supply is provided by a generator in a concentrated mode; the mechanical power of the traveling device is split by the electric control transmission case and is respectively controlled and output to the corresponding traveling driving wheel shaft by the two rotating speed electromagnetic clutches so as to drive the driving wheel; the chassis of the device can be lifted, is suitable for mowing operation with different stubble leveling height requirements, can be remotely controlled, and has flexible advance and retreat, sensitive steering, strong climbing capacity and higher automation degree.
Claims (3)
1. The self-propelled chassis liftable mower comprises a chassis, a travelling device, a generator assembly and an electric appliance control system which are arranged on the chassis, and a double-cutter-head flail knife device which is arranged under the chassis in a rotating mode, and is characterized by further comprising a chassis adjusting device which is arranged between the chassis and the travelling device and used for adjusting the height of the chassis; the generator assembly comprises an engine and a generator driven by the engine, wherein the engine is arranged along the longitudinal direction of the chassis; the device also comprises a walking power transmission device which is driven by the engine and transmits power to the walking device, and a flail knife power transmission device which is driven by the engine and transmits power to the double-cutterhead flail knife device; the walking power transmission device comprises an electric control speed change transmission box arranged between the engine and the walking device, and also comprises a walking power input shaft which is led out by the engine and inputs the power output by the engine into the electric control speed change transmission box, wherein the power input by the walking power input shaft is split by the electric control speed change transmission box and is respectively controlled and output by two rotating speed electromagnetic clutches in the electric control speed change transmission box; the chassis adjusting device comprises a wheel fixed plate, a rocker arm supporting plate vertically and fixedly connected to the chassis, an upper rocker arm, a rocker arm connecting beam, a hydraulic cylinder supporting plate, a hydraulic cylinder, a lower rocker arm connecting beam, a hydraulic cylinder connecting beam and a hydraulic cylinder connecting beam, wherein two ends of the upper rocker arm are respectively hinged to the wheel fixed plate and the upper rocker arm of the rocker arm supporting plate; the driving wheel and the driven wheel are both rotatably arranged on the wheel fixing plate, and the double-L-shaped speed reducer is connected with the walking driving wheel shaft through a universal coupling; the electric appliance control system is used for receiving the remote control signal and is electrically connected with the electric control speed changing transmission case, a hydraulic system at least comprising a hydraulic cylinder and a hydraulic servo system; the electric appliance control system, the hydraulic system and the electric control variable speed transmission box are all powered by the generator;
the hydraulic cylinder is a plunger cylinder;
the double-cutter disc flail knife device comprises two cutter disc rotating shafts which are rotatably arranged on two sides of the chassis, a cutter disc fixedly connected to the lower end of the cutter disc rotating shafts, and a flail knife hinged to the cutter disc; the two cutter head rotating shafts are arranged on the chassis along the transverse movement of the chassis;
the flail knife power transmission device comprises a flail knife power input shaft which is led out by an engine and used for inputting power output by the engine into a T-shaped commutator which is used for changing the power transmission direction from the longitudinal direction of a chassis to the transverse direction of the chassis, two L-shaped commutators which are arranged at two ends of the T-shaped commutator and used for changing the transmission direction of the power output by the T-shaped commutator from the transverse direction of the chassis to the vertical direction of the chassis, and cutter disc rotating shafts are respectively arranged at the lower ends of flail knife power output shafts of the two L-shaped commutators; the two L-shaped reducers with the input shafts and the output shafts perpendicular to each other are integrated in a box body to form a double L-shaped reducer.
2. The self-propelled chassis-elevating mower of claim 1, wherein the traveling device is a wheel type, and comprises a traveling driving wheel shaft rotatably arranged at both sides of the front end of the chassis, a driving wheel fixedly connected to the traveling driving wheel shaft, and driven wheels rotatably arranged on wheel fixing plates arranged at both sides of the rear end of the chassis.
3. The self-propelled chassis-liftable mower of claim 1, wherein the traveling device is crawler-type and comprises traveling driving wheel shafts rotatably arranged at two sides of the front end of the chassis, driving wheels fixedly connected to the traveling driving wheel shafts, and driven wheels rotatably arranged on wheel fixing plates arranged at two sides of the rear end of the chassis; the wheel fixing plates on the same side are fixedly connected into an integral wheel frame, the supporting wheels arranged on the wheel frame are rotated to move the tracks arranged on the driving wheel, the supporting wheels and the driven wheels, and the tensioning wheels for adjusting the tensioning degree of the tracks are also rotationally arranged on the wheel frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341602.8A CN109197114B (en) | 2018-11-12 | 2018-11-12 | Self-propelled chassis liftable mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341602.8A CN109197114B (en) | 2018-11-12 | 2018-11-12 | Self-propelled chassis liftable mower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109197114A CN109197114A (en) | 2019-01-15 |
| CN109197114B true CN109197114B (en) | 2023-09-26 |
Family
ID=64996339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811341602.8A Active CN109197114B (en) | 2018-11-12 | 2018-11-12 | Self-propelled chassis liftable mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109197114B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111183785A (en) * | 2020-03-13 | 2020-05-22 | 山东新坐标智能装备有限公司 | Crawler-type postposition obstacle-avoiding mower |
| CN113068505A (en) * | 2021-03-22 | 2021-07-06 | 苏州大学 | Grass cutter |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4041679A (en) * | 1974-02-01 | 1977-08-16 | Lester H. Seifert | Self-propelled rotary lawn mower |
| JP2000116234A (en) * | 1998-10-16 | 2000-04-25 | Ueda Noki Kk | Mower for tending machine or mobile farm machine |
| JP2005137272A (en) * | 2003-11-06 | 2005-06-02 | Kubota Corp | Walking type mower |
| JP2005287518A (en) * | 1999-12-24 | 2005-10-20 | Orec Co Ltd | Self-propelled mower, operation lever device, device for controlling direction of handle, tension clutch structure and mowing method |
| CN102514624A (en) * | 2011-12-02 | 2012-06-27 | 北京航空航天大学 | Engineering machine balancing rocker arm chassis travelling device |
| CN103332085A (en) * | 2013-06-21 | 2013-10-02 | 管中林 | Chassis of all-terrain off load vehicle |
| CN103828536A (en) * | 2014-03-18 | 2014-06-04 | 甘肃省农业机械化技术推广总站 | Double-disk mower with stubble cutting height adjusting mechanism |
| CN204191111U (en) * | 2014-05-06 | 2015-03-11 | 河北省农林科学院粮油作物研究所 | Adjusting ground clearance four-wheel-drive bow-type field management power platform |
| CN104521419A (en) * | 2014-12-17 | 2015-04-22 | 江苏科技大学 | Hydraulic control variable-swath riding type mower |
| CN204305627U (en) * | 2014-11-26 | 2015-05-06 | 常德市龙双丰农业机械有限公司 | A kind of mower |
| CN104982151A (en) * | 2015-07-30 | 2015-10-21 | 山东巨明机械有限公司 | Miniature track-laying corn-harvester |
| CN105002812A (en) * | 2015-05-22 | 2015-10-28 | 柳州博实唯汽车科技有限公司 | Milling and planing machine vehicle body chassis |
| CN105027808A (en) * | 2015-08-31 | 2015-11-11 | 天门市汉江防汛指挥部 | Profiling multi-flexible-shaft remote control mowing machine |
| CN105474814A (en) * | 2015-12-15 | 2016-04-13 | 中南林业科技大学 | Crawler-type self-walking tending machine for oil-tea camellia forest |
| CN205320569U (en) * | 2016-01-26 | 2016-06-22 | 宋力峰 | Can stride across remote control lawn mower of obstacle automatically |
| CN205546543U (en) * | 2016-02-18 | 2016-09-07 | 中国农业科学院北京畜牧兽医研究所 | Stay a batch highly controllable lawn mower |
| CN106211830A (en) * | 2016-08-01 | 2016-12-14 | 太仓市项氏农机有限公司 | The self-propelled motor chassis of Bidirectional power output before and after a kind of band |
| CN106342469A (en) * | 2016-10-28 | 2017-01-25 | 洛阳理工学院 | Intelligent grass cutter |
-
2018
- 2018-11-12 CN CN201811341602.8A patent/CN109197114B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4041679A (en) * | 1974-02-01 | 1977-08-16 | Lester H. Seifert | Self-propelled rotary lawn mower |
| JP2000116234A (en) * | 1998-10-16 | 2000-04-25 | Ueda Noki Kk | Mower for tending machine or mobile farm machine |
| JP2005287518A (en) * | 1999-12-24 | 2005-10-20 | Orec Co Ltd | Self-propelled mower, operation lever device, device for controlling direction of handle, tension clutch structure and mowing method |
| JP2005137272A (en) * | 2003-11-06 | 2005-06-02 | Kubota Corp | Walking type mower |
| CN102514624A (en) * | 2011-12-02 | 2012-06-27 | 北京航空航天大学 | Engineering machine balancing rocker arm chassis travelling device |
| CN103332085A (en) * | 2013-06-21 | 2013-10-02 | 管中林 | Chassis of all-terrain off load vehicle |
| CN103828536A (en) * | 2014-03-18 | 2014-06-04 | 甘肃省农业机械化技术推广总站 | Double-disk mower with stubble cutting height adjusting mechanism |
| CN204191111U (en) * | 2014-05-06 | 2015-03-11 | 河北省农林科学院粮油作物研究所 | Adjusting ground clearance four-wheel-drive bow-type field management power platform |
| CN204305627U (en) * | 2014-11-26 | 2015-05-06 | 常德市龙双丰农业机械有限公司 | A kind of mower |
| CN104521419A (en) * | 2014-12-17 | 2015-04-22 | 江苏科技大学 | Hydraulic control variable-swath riding type mower |
| CN105002812A (en) * | 2015-05-22 | 2015-10-28 | 柳州博实唯汽车科技有限公司 | Milling and planing machine vehicle body chassis |
| CN104982151A (en) * | 2015-07-30 | 2015-10-21 | 山东巨明机械有限公司 | Miniature track-laying corn-harvester |
| CN105027808A (en) * | 2015-08-31 | 2015-11-11 | 天门市汉江防汛指挥部 | Profiling multi-flexible-shaft remote control mowing machine |
| CN105474814A (en) * | 2015-12-15 | 2016-04-13 | 中南林业科技大学 | Crawler-type self-walking tending machine for oil-tea camellia forest |
| CN205320569U (en) * | 2016-01-26 | 2016-06-22 | 宋力峰 | Can stride across remote control lawn mower of obstacle automatically |
| CN205546543U (en) * | 2016-02-18 | 2016-09-07 | 中国农业科学院北京畜牧兽医研究所 | Stay a batch highly controllable lawn mower |
| CN106211830A (en) * | 2016-08-01 | 2016-12-14 | 太仓市项氏农机有限公司 | The self-propelled motor chassis of Bidirectional power output before and after a kind of band |
| CN106342469A (en) * | 2016-10-28 | 2017-01-25 | 洛阳理工学院 | Intelligent grass cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109197114A (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109197114B (en) | Self-propelled chassis liftable mower | |
| CN111183788A (en) | Crawler-type multi-angle adjusting mower | |
| US3754603A (en) | Land clearing machine | |
| CN111183785A (en) | Crawler-type postposition obstacle-avoiding mower | |
| CN112208660A (en) | Wheel-track combined chassis for mountain land operation | |
| CN107960190B (en) | Intelligent self-propelled sweet potato vine breaker | |
| CN109197113B (en) | Self-propelled chassis liftable mower | |
| CN109328616B (en) | Self-propelled mower | |
| CN211881071U (en) | Crawler-type postposition obstacle-avoiding mower | |
| CN203761778U (en) | Straw smashing, straw application and rotary tillage all-in-one machine | |
| EP2820194A1 (en) | A method of carrying out renovation works in melioration ditches and a multifunction device for implementation of the method | |
| US3205642A (en) | Vertically adjustable motor and rotary disk cutter | |
| CN115176573B (en) | Tea garden side deep fertilizer distributor in hilly and mountainous areas | |
| CN211881070U (en) | Crawler-type multi-angle adjusting mower | |
| CN210470303U (en) | Flexible shaft transmission all-terrain remote control mower | |
| US3193951A (en) | Grubbing machine | |
| CN113039881A (en) | Drilling type tiller suitable for cultivation of mountain land and hardened soil | |
| CN209057531U (en) | Implement porter liftable grass trimmer | |
| CN209057532U (en) | A kind of implement porter liftable grass trimmer | |
| CN218456765U (en) | Complex terrain self-adaptive walking device of mower | |
| CN110651610A (en) | Flexible shaft type crankshaft transmission all-terrain remote control mower | |
| JP7178321B2 (en) | Self-propelled work machine | |
| CN209057527U (en) | A kind of self-propelled mower | |
| CN214648633U (en) | Suspension mechanism of crawler chassis | |
| CN220662675U (en) | Crawler-type small rotary cultivator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |