953 results about "Tiller" patented technology

A vehicle may include a frame having a first portion, a second portion, and a tiller. The first portion may be coupled to a front wheel and to the tiller. The second portion may be coupled to a rear wheel and detachably coupled to the first portion. A method of transitioning the vehicle between a folded configuration and an unfolded configuration may include rotating the first portion of the frame relative to the second portion of the frame between the folded configuration and unfolded configuration to cause the first portion of the frame to lock to the second portion of the frame.

A heatsink for cooling an electric component of a power equipment can include a plurality of convective surfaces spaced away from and overlapping each other, and a first rivet connecting the convective surfaces to each other. The power equipment can be a lawnmower, a snow blower, a pressure washer, a tiller, a hedge trimmer, a string trimmer, a power saw, a fluid pump, a portable cooler, an E-Bikes and a scooter.

The invention relates to the technical field of agricultural machinery, and discloses a one-time deep ploughing four-wheel-drive mini-tiller applied to various working environments, which comprises a power assembly, a front gearbox, a rear gearbox, a front axle and a rear axle, the front gearbox drives the front axle, the rear gearbox drives the rear axle, and the front axle and the rear axle are respectively and detachably connected with a walking wheel or a ploughing tool. The power output end of the power assembly is connected with a power transmission part, and the front gearbox and the rear gearbox are mutually independent and are in independent transmission connection with the power assembly through the power transmission part; the power transmission part is composed of a first transmission part and a second transmission part, the first transmission part is hinged to the second transmission part, the first transmission part is in transmission connection with the front gearbox, and the second transmission part is in transmission connection with the rear gearbox; the front gearbox and the rear gearbox have the same number of gears, switching of a four-drive walking mode, a front-drive tillage mode, a rear-drive tillage mode or a double-drive walking mode is achieved by switching the gears of the front gearbox and the rear gearbox, and the deep ploughing quality and efficiency are improved.

A tiller is for a marine drive. The tiller has a tiller arm and a grip on the tiller arm, the grip being rotatable out of a center position to control speed of the marine drive. The grip is operable in a right-hand mode in which the grip is only rotatable in a right-hand rotational range away from the center position and the grip is alternately operable in a left-hand mode in which the grip is only rotatable in a left-hand rotational range away from the center position, wherein the right-hand rotational range is diametrically opposite of the left-hand rotational range. A switching device is movable into a right-hand switch position in which the grip is operable in the right-hand mode and alternatively movable into a left-hand switch position in which the grip is operable in the left-hand mode.

A tiller is for controlling a marine drive. The tiller has a base bracket assembly and a tiller arm which is extends outwardly from the base bracket assembly. The base bracket assembly is configured to facilitate yaw adjustment of the tiller arm, in particular into and between a variety of yaw positions relative to the base bracket assembly. The tiller arm has a grip restraining device which is located on the bottom of the middle portion of the tiller arm and is manually accessible from both sides of the tiller arm. The grip restraining device is specially configured to selectively restrain rotation of a hand grip on the outer end of the tiller arm. The tiller arm also has a tilt mechanism which facilitates tilting of the tiller arm relative to the base bracket assembly into and between a variety of tilt positions, including a straight upward tilt position and a straight downward tilt position.

Disclosed is A Rotaryvator (1) having: a cultivator tyne assembly / primary tiller (4) comprising removable ploughing blade (20); and a secondary tiller assembly (26) connected to the primary tiller (4) as an external assembly configured for unhampering and non-compacting soil tillage operation in a single pass; wherein said primary tiller (4) includes a blade removal mechanism (5) connected between the ploughing blade (20) and a frame (13) of the primary tiller (4); wherein said blade removal mechanism (5) adjusts relative positions of the ploughing blade (20) with the frame (13).

The present invention discloses an ecological garden engineering land preparation device and a land preparation method, which includes a vehicle frame. A crushing cylinder is fixed on the vehicle frame. A feeding hopper is arranged above the crushing cylinder. A turning door is hinged below the crushing cylinder. The lower part of the turning door is hinged to a crushing rod. A crushing knife is fixed at the bottom of the crushing rod. A horizontal conveying cylinder and an inclined conveying cylinder are fixed on the vehicle frame at the front side of the crushing cylinder. A tooth harrow is fixed at the bottom of the rear side of the inclined conveying cylinder. A crushing knife and a suction fan are arranged inside the crushing cylinder. A tip is fixed on the crushing rod. The bottom of the horizontal conveying cylinder is connected to a rotary tiller through a lifting rod. A leveling plate is arranged at the rear wheel; by providing a crushing cylinder, a horizontal conveying pipe, an inclined conveying pipe, a tooth harrow, a crushing knife, a suction fan, a feeding hopper, a turning door, a crushing rod, a transition cylinder, a rotary tiller, and a flow channel and a nozzle are arranged inside the crushing rod. The grass stems are collected before plowing the land, which not only avoids the grass stems being wound around the rotary tiller and affecting the effect of the rotary tiller, but also can crush and mix the grass stems and fertilizers at the same time, with strong functionality and simplified land preparation process.

The invention relates to a detachable rotary cultivator, and belongs to the technical field of rotary cultivators, the detachable rotary cultivator comprises a rotary tillage mechanism detachably connected to the exterior of a tractor, the rotary tillage mechanism is composed of a rack, side plates, a rotary tillage shaft and rotary tillage cutters, and a soil loosening device used for pre-loosening soil before rotary tillage is arranged outside the side plates and the rack; a compaction structure used for conducting compaction treatment on the ploughed soil is arranged outside the machine frame, and a driving mechanism used for operating the rotary tillage shaft, the soil loosening device and the compaction structure in a linkage mode is arranged outside the side plates. The soil loosening device comprises a hinge seat fixedly connected to the top of the rack and a swing arm hinged to the interior of the hinge seat. The machine has the advantages of high efficiency, energy conservation, environmental protection and the like, integrated operation of soil pre-loosening, rotary tillage, compaction and spraying treatment is realized through a mechanical linkage principle, the rotary tillage resistance is remarkably reduced, the service life of a blade is prolonged, the soil quality is optimized, and the operation efficiency is improved.

A tiller is for controlling a marine drive. The tiller has a base bracket assembly and a tiller arm which is extends outwardly from the base bracket assembly. The base bracket assembly is configured to facilitate yaw adjustment of the tiller arm, in particular into and between a variety of yaw positions relative to the base bracket assembly. The tiller arm has a grip restraining device which is located on the bottom of the middle portion of the tiller arm and is manually accessible from both sides of the tiller arm. The grip restraining device is specially configured to selectively restrain rotation of a hand grip on the outer end of the tiller arm. The tiller arm also has a tilt mechanism which facilitates tilting of the tiller arm relative to the base bracket assembly into and between a variety of tilt positions, including a straight upward tilt position and a straight downward tilt position.

A transportable outboard motor has a tiller which is pivotable about a lateral tilt axis into a plurality of tilt positions and also pivotable about an axial yaw axis into a plurality of yaw positions. The tiller is pivotable about the axial yaw axis into a straight-ahead position, into a port yaw position which is oriented towards the port side relative to the straight-ahead position, and into a starboard yaw position which is oriented towards the starboard side relative to the straight-ahead position. The tiller is pivotable downwardly about the lateral tilt axis from the port yaw position, and downwardly about the lateral tilt axis from the starboard yaw position. Pivoting the tiller into the plurality of yaw positions creates space for a user to manually grasp a swivel tube and thereby lift the transportable outboard motor from a rear-laydown position.

The present application pertains to the technical field of ship hydraulic systems, and in particular relates to a hydraulic system for a non-retractable fin stabilizer and a control method therefor. Said hydraulic system comprises a locking mechanism, a fin tiller, a fin-rotating hydraulic cylinder set, and a control valve set, the control valve set being separately connected to the locking mechanism and hydraulic chambers of two fin-rotating hydraulic cylinders. When the control valve set applies to the two fin-rotating hydraulic cylinders driving forces which have the same magnitude and are in the same direction, torques of the two fin-rotating hydraulic cylinders acting upon the fin tiller are of the same magnitude and in opposite directions, such that the fin tiller is reset, and the control valve set controls a retractable pin of the locking mechanism to extend into a pinhole of the fin tiller so as to lock the fin tiller; and when the control valve set alternatingly applies to the two fin-rotating hydraulic cylinders forces in different directions, at this time the fin tiller carries out rotational motion. In the hydraulic system for a non-retractable fin stabilizer of the present application, the fin-rotating hydraulic cylinders can be controlled to drive the fin tiller to rotate, and the torques acting on the two ends of the fin tiller can also be precisely controlled to attain balance, thus ensuring that after being reset the fin tiller can lock the fin in place or unlock same by means of the retractable pin of the locking mechanism.

The invention relates to the technical field of farming machinery, in particular to a multifunctional mini-tiller which comprises a rotary tillage tool bit and a switching mechanism, the rotary tillage tool bit is rotationally installed on a machine body and comprises a driving shaft and two rotary tillage tool sets, the driving shaft is in transmission connection with an engine, and the rotary tillage tool sets are symmetrically installed at the two ends of the driving shaft; the rotary blade group comprises a plurality of blades which are arranged in the annular direction of the driving shaft, handle parts of the blades are provided with inserting grooves, the switching mechanism comprises a plurality of limiting parts which are arranged corresponding to the blades, when the limiting parts are inserted into the corresponding inserting grooves, the corresponding blades are locked for rotary tillage work, and when the limiting parts are separated from the inserting grooves, the corresponding blades are adjusted in a floating mode. According to the invention, through the cooperation of the rotary tillage tool bit and the switching mechanism, the effect of flexibly adjusting the working state of the blade under different working conditions is achieved, the obstacle is effectively avoided, the damage risk of equipment is reduced, the maintenance cost and the downtime are reduced, and meanwhile, the safety of operators is also ensured.

A pedal assembly and steering assembly are disclosed for converting an inflatable, drop stitch paddle watercraft into a pedal watercraft. The pedal assembly includes a mounting plate and mounting bracket for supporting a geared drive shaft in an opening extending through the floor of the watercraft. The steering assembly includes a rudder connected to a tiller through push pull cables.

The utility model relates to the technical field of folding tillage and soil preparation machines, in particular to a transmission case of a light paddy field folding rotary cultivator, which comprises a transmission case bottom plate, a top plate, a front support frame, a rear support frame and a side support frame, and the front support frame, the rear support frame and the side support frame are fixedly arranged on the transmission case bottom plate. A front supporting frame, a rear supporting frame, a top plate and two side supporting frames on the gearbox bottom plate form a transmission area, and a transmission mechanism is arranged in the transmission area. The upper end face of the top plate is flush with the upper end face of the front supporting frame and the upper end face of the rear supporting frame, and the upper end faces of the side supporting frames are slightly higher than the top plate, provided with supporting side frame connecting holes and connected with the supporting side frames at the upper ends through fasteners. The upper suspension connecting piece is arranged on the supporting side frame, the square pipe is arranged in front of the front supporting frame, and the strength of the upper suspension connecting piece is improved through combination of the upper suspension connecting piece and the square pipe.

The utility model relates to a rear-mounted control mechanism of a riding type mini-tiller, which comprises an operation assembly and an operation frame arranged behind a mini-tiller body, and the operation assembly is arranged on the operation frame and used for controlling a clutch on the mini-tiller to be connected or disconnected. The operation frame is arranged behind the seat; the operation frame can steer relative to a front gearbox arranged on the mini-tiller body. The operation frame and the seat are both arranged on a rear frame body of the mini-tiller body, and the rear frame body can steer relative to a front gearbox arranged on the mini-tiller body. The rear-mounted control mechanism of the riding type mini-tiller not only is convenient for a worker to operate during transfer in a field, but also cannot damage the seat after long-time operation.

The utility model relates to the technical field of four-wheel-drive mini-tillers, in particular to a high-strength shearing-resistant integrated chassis of a four-wheel-drive mini-tiller, which comprises two symmetrical frames, a bottom plate is arranged between the frames, each frame is of an integrated structure formed by a horizontal section and a bent part, the horizontal section ensures the transverse stability of the chassis, and the bent part is arranged on the bottom plate. The bending portion provides necessary elastic space for the chassis to absorb ground impact, reinforcing pieces are symmetrically connected between the two sides of the bottom plate and the frame, and anti-shearing battens distributed in a # shape are arranged at the top of the bottom plate. According to the high-strength shearing-resistant integrated chassis of the four-wheel-drive mini-tiller, the stability and durability of a machine body in a complex operation environment are improved, the failure rate and the maintenance frequency are reduced, and the operation efficiency and the economic benefits are improved.

A tiller is for steering a marine drive relative to a marine vessel. The tiller has a tiller arm and a lever for changing an operational characteristic of the marine drive. The lever is pivotably coupled to the tiller arm along a lateral pivot axis and extends along both the port side and the starboard side of the tiller arm and thus is manually operable from both the port side and the starboard side of the tiller arm. A sensor is configured to sense pivoting of the lever and electronically communicate a sensed position of the lever to a controller for controlling an operational characteristic of the marine drive.

A transportable outboard motor has a midsection and a tiller extending forwardly from the midsection. The tiller is pivotable about a lateral tilt axis into a downward tilt position in which the tiller is oriented transversely to the lateral and longitudinal directions. The tiller in the downward tilt position is configured to permit manual carrying of the transportable outboard motor.

The utility model discloses a mini-tiller which comprises a handrail assembly connected with a mini-tiller body, the handrail assembly comprises a first handrail and a second handrail, the first handrail is fixed to the mini-tiller body, and the second handrail is connected with the first handrail through an adjusting limiting structure. The connecting angle between the second armrest and the first armrest is adjusted; the mini-tiller further comprises an auxiliary wheel assembly, and the auxiliary wheel assembly is connected with the mini-tiller body through an overturning structure so as to select whether the auxiliary wheel assembly is used or not. Compared with the prior art, the rotary cultivator has the advantages that the rotary cultivator is simple in structure and can adapt to the heights of various users, and the included angle between the first handrail and the second handrail can be selected according to the resistance of the land needing rotary cultivation so as to select a more labor-saving angle.

A tiller is for steering a marine vessel. The tiller has a yaw bracket configured for attachment to a marine drive, a tiller arm which is pivotable about a yaw axis relative to the yaw bracket, and a yaw lock configured to lock the tiller arm in a plurality of yaw positions relative to the yaw bracket. Unlocking the yaw lock facilitates movement of the tiller arm into a new yaw position in the plurality of yaw positions.

The method comprises the following steps that a tiller and the upper conical surface of a rudderstock are matched in advance, and steering engine equipment is arranged in a steering engine room in advance; the main deck is provided with a permanent rudderstock hanging opening cover with a sealing cover; when a berth area rudderstock enters a cabin, a false nut tool is installed at the end of the rudderstock, hierarchical regulation and control of the rudderstock angle are achieved through a lifting lug, inclined pulling of a steel wire rope and insertion of round steel into a guide hole, and it is ensured that the rudderstock penetrates into a rudder sleeve along the center line of a rudder system. The problem that the rudderstock obliquely penetrates through the cabin due to the inclination angle of the slipway is solved; the steering engine room is sealed in advance, the rudderstock is precisely put into the room at the millimeter level, and the construction efficiency and quality are remarkably improved.

The utility model relates to a rotary cultivator, in particular to an anti-winding six-blade rotary cultivator, which comprises a case and a plurality of groups of turntables arranged in the case, six rotary tillage blades are mounted on the turntable; the rotary tillage machine is characterized in that a rotary tillage mechanism is arranged on the machine box, and the rotary tillage mechanism can drive the rotary table to rotate so as to drive the six rotary tillage blades to rotate, so that the rotary tillage blades conduct rotary tillage on the land; a fixed sawtooth blade is mounted on the turntable; a shearing mechanism is arranged on the machine box, and a swinging sawtooth blade is connected to the shearing mechanism; the shearing mechanism can drive the swing sawtooth blade to swing in a reciprocating mode when the rotary tillage mechanism acts so as to shear sundries. A cleaning mechanism is further arranged on the case; a sweeping rod is connected to the sweeping mechanism, and the sweeping mechanism can drive the sweeping rod to be far away from or close to the rotating center of the rotating disc when the rotary tillage mechanism acts so as to sweep attached soil.

A tiller system for a marine drive having an electric motor is provided. The tiller system includes a tiller having a shift handle and a throttle grip configured to be rotated about a throttle axis to control a speed of the electric motor. The tiller system further includes a controller communicatively coupled to the throttle grip and the shift handle. The controller is configured to determine whether the tiller is in a separate handle mode or a throttle grip mode. Responsive to a determination that the tiller is in the throttle grip mode, the controller is configured to operate the electric motor such that a rotation of the throttle grip about the throttle axis controls a rotation direction of the electric motor.

The steering engine (1) includes: a steering engine body (11) of the Rahson sliding type including at least one hydraulic device operating according to an electrical signal; and at least one control device (9) which is installed on the steering engine main body (11) and controls the at least one hydraulic device. For example, the steering engine main body (11) comprises: a tiller (2) fixed to a rudder shaft (15); plungers (3A, 3B) that engage with the tiller (2); cylinders (4A-4D) into which both ends of the plungers (3A, 3B) are inserted, respectively; and a plurality of hydraulic units (5) that constitute a hydraulic circuit together with the cylinders (4A-4D), and a control device (9) is attached to each of the cylinders (4A-4D).

The utility model relates to a rotary cultivator convenient to adjust plowing depth, which comprises a rotary cultivator shell, lifting connecting plates are arranged on the left side and the right side of the rotary cultivator shell in a sliding way, a rotating roller is movably arranged between the two lifting connecting plates, and a lifting component is movably arranged in the rotary cultivator shell. According to the rotary cultivator convenient to adjust the plowing depth, a lifting assembly is arranged, a first transmission belt synchronously drives a first rotating shaft to rotate, the first rotating shaft drives a threaded rotating rod to rotate, and due to limiting of a lifting plate and a hinge block, a first threaded block and a second threaded block are in threaded connection to the outer surface of the threaded rotating rod; when the first threaded block and the second threaded block face the corresponding directions, the inclination angle of the first hinge rod and the inclination angle of the second hinge rod are increased, meanwhile, the lifting plate is pushed downwards, when the lifting plate descends, the lifting connecting plate is synchronously driven to descend, and the rotating roller and the rotary tillage blade are driven to descend in the descending process of the lifting connecting plate.

The utility model relates to the technical field of agricultural machinery, and discloses a four-wheel-drive rotary cultivator capable of improving operation stability, which comprises a power assembly, a front gearbox, a rear gearbox, a front wheel shaft and a rear wheel shaft, the front wheel shaft and the rear wheel shaft are respectively and detachably connected with a walking wheel or a cultivation tool, and the power output end of the power assembly is connected with a power transmission part. The front gearbox and the rear gearbox are mutually independent and are in independent transmission connection with the power assembly through the power transmission part; the front gearbox drives the front axle, and the rear gearbox drives the rear axle. Through independent driving of the front wheel and the rear wheel, the operation stability of the rotary cultivator in different farmland environments is improved, and the soil plowing quality is guaranteed.

The utility model discloses a soil turner for garden soil improvement, which relates to the technical field of soil turners and comprises a bracket, lantern rings are fixedly connected to two sides of the bottom end of the bracket, hubs are fixedly connected to the inner walls of the lantern rings, outer wheels are movably sleeved on the outer walls of the hubs, rotary columns are rotatably connected to the middles of the hubs, and the rotary columns are fixedly connected to the bottom end of the bracket. A soil turning toothed plate is clamped in the middle of the rotating column, a soil retaining plate is arranged on one side of the rotating column, a spring is arranged on the inner side of the soil retaining plate, a ball is fixedly connected to one end of the spring, a holding rod is fixedly connected to the top of the bracket, a sleeve is arranged in the middle of the holding rod, and a fastening bolt movably penetrates through one side wall of the sleeve. By arranging a series of structures, the soil turning machine is more labor-saving and more convenient for a user to operate and use when being used, so that the soil turning effect of the soil turning machine is enhanced, the subsequent repeated soil turning action is simplified, and the time required by the soil turning operation is saved.

The utility model discloses a baffle for both sides of a mini-tiller, and relates to the technical field of mini-tillers, the baffle comprises a side baffle main body, a mounting side baffle part and a circular inner groove, the top of the mounting side baffle part is provided with a cross-shaped bolt mounting hole in a penetrating manner, and the mounting side baffle part is internally provided with an anti-corrosion lubricating component; and the circular inner groove is formed in the mounting edge blocking part, and a flow channel is formed between the circular inner groove and the cross-shaped bolt mounting hole. The anti-corrosion lubricating assembly is arranged in the installation edge blocking part, the adjustable angle range of the baffle is increased through the cross-shaped bolt installation holes, and the anti-corrosion lubricating assembly conducts anti-corrosion and anti-rust treatment on the inner sides of the cross-shaped bolt installation holes and the fixing bolts so that the stability of the baffle in the using process can be guaranteed; the situation that the baffle cannot be disassembled due to corrosion and rusting of the fixing bolts is prevented, the baffle can be easily disassembled subsequently to be cleaned or replaced, the working efficiency is improved, and meanwhile the service life of the mini-tiller baffle is prolonged.

The utility model relates to the technical field of mini-tillers, and discloses a mini-tiller clutch handle convenient to hold, which comprises a grab rail and a base, the upper surface of the base is fixedly connected with a hoop, the side wall of the hoop is provided with a threaded hole and is in threaded connection with the grab rail, and the side wall of the base is fixedly connected with a rotating shaft. A clutch handle is hinged to the outer wall of the rotating shaft; by arranging the base, the hoop, the rotating shaft, the limiting sliding groove, the limiting sliding rod, the supporting block and the clutch handle in a hinged mode, when the hinged clutch handle is lifted to start the mini-tiller, the automatic locking device is arranged on one side of the clutch handle to fix the clutch handle, and therefore the clutch handle does not need to be held continuously, the pressure of the hand is reduced, operation is easier, and the working efficiency is improved. Potential safety hazards are reduced, the situation that the clutch is burnt out due to the semi-clutch state does not need to be worried about, meanwhile, the auxiliary fixing mechanism can reinforce the automatic locking device, the automatic locking device is prevented from loosening due to vibration, and the operation stability of the device is enhanced.

The invention belongs to the technical field of rotary cultivators, and discloses a rotary cultivator with an anti-winding cutter shaft. Comprising a rack, a first connecting rod is rotationally connected to the interior of the rack, three sets of knife rollers are fixedly connected to the outer side of the first connecting rod, first spur gears are fixedly connected to the two ends of the first connecting rod correspondingly, and second spur gears are meshed with the outer sides of the first spur gears and rotationally connected with the outer side of the rack; the outer side of the second spur gear is engaged with a third spur gear, and a second connecting rod is fixedly connected into the third spur gear. Through the structural design of the reciprocating mechanism, the first shear knife and the second shear knife, weeds are gathered among the shear knives through centrifugal force generated by rotation of the knife roll, the reciprocating mechanism drives the first shear knife and the second shear knife to swing through a power source of the knife roll, the weeds are effectively cut off and removed, the winding phenomenon is avoided, smooth rotation of the knife roll is ensured, and the service life of the device is prolonged. The design shows a remarkable anti-winding effect and an operation automation advantage.