34results about How to "Expand the trimming range" patented technology

A resonator device includes a piezoelectric resonator having a detuning layer sequence arranged on the piezoelectric resonator. The detuning layer sequence includes at least a first layer having a high acoustic impedance and a second layer having a low acoustic impedance.

The invention discloses a municipal green belt trimming device. The lower end of a first motor is rotationally connected with a driving shaft. The middle of the driving shaft is fixedly connected with a fourth bevel gear. The bottom of the driving shaft is fixedly connected with a semicircular bevel gear. A fifth bevel gear is fixedly connected with a sleeve shaft which is connected with a driving shaft in a sliding mode. A first bevel gear is fixedly connected with the middle of a bidirectional threaded rod. A boss is arranged on the surface of the driving shaft. A concave groove is formed in the sleeve shaft. One end of the driving shaft is fixedly connected with a third bevel gear which is meshed and connected with a second bevel gear. The second bevel gear is fixedly connected with the driving shaft. According to the device, the bidirectional threaded rod is driven by the bevel gear group and the semicircular bevel gear to rotate forward and backward in a reciprocating mode so as to drive the driven shaft to move leftward and rightward in a reciprocating mode, and the driving shaft drives the driven shaft to rotate when the driven shaft is driven to move leftward and rightward in the reciprocating mode; the device is simple and applicable in structure, the green belt trimming range is greatly enlarged, work efficiency is improved, and labor is reduced.

The invention discloses an efficient pruning and fertilization integrated device for municipal green belts. The efficient pruning and fertilization integrated device for the municipal green belts includes a transverse plate, a bracket, a forward-reverse rotation motor A, a bidirectional threaded rod, a forward-reverse rotation motor B, a threaded rod, a second motor, a first pruning blade and a fertilization mechanism. The forward-reverse rotation motor A is disposed on the right side of the transverse plate, the output end of the forward-reverse rotation motor A is fixedly connected with thebidirectional threaded rod, the middle position of the bidirectional threaded rod is provided with a fixing block, the lower end of the fixing block is fixedly connected with a second protective cover, and first protective covers are symmetrically arranged on the two sides of the second protective cover. The fertilization mechanism is disposed on the right side of the bracket and includes a liquidguide pipe, a water suction pump, a stirring chamber, a stirring motor, a stirring shaft and a stirring rod. The efficient pruning and fertilization integrated device for the municipal green belts issimple in structure, convenient to use and wide in applied range. The green belts on the upper portion and the side are pruned simultaneously, and pruning efficiency is improved; fertilization can beperformed on the green belts while the pruning is performed, the automation degree is high, and manpower is saved.

A method for trimming an effective refractive index of optical waveguiding structures made for example in a high refractive index contrast material system. By compaction of cladding material in a compaction area next to patterns or ridges that are formed in the core material for realizing an optical waveguiding structure, the effective index of refraction of the optical waveguiding structure can be trimmed. Thus, the operating wavelength of an optical component comprising such an optical waveguiding structure can be trimmed. An optical waveguide structure thus obtained is also disclosed.

The invention discloses a greening comprehensive maintenance vehicle. The vehicle is characterized in that a vehicle body part comprises a second type chassis, a hedge trimming mechanism, an angle adjustable blowing sweeping mechanism, a safety cone storage mechanism, a sub-frame andanti-overturning type hydraulic walking support legs, the vehicle body includes a control system, the control systemincludes a hydraulic control system and an electric control system, the sub-frame is fixed to the second type chassis by a U-shaped bolt, the hedge trimming mechanism, the angle adjustable blowing sweeping mechanism and the safety cone storage mechanism are fixedly connected to the sub-frame by bolts, and the anti-overturning hydraulic walking support legs are welded to both sides of the sub-frame. The vehicle has the advantages that the labor intensity of a construction worker can be reduced, the scope of the trimming is expanded, the flat shearing and vertical shearingof the hedge of a central barrier of a highway can be achieved, the shearing and removing of slope hedges and shrub weeds are achieved, the pruning of greening trees on two sides of urban roads can be achieved, branches and fallen leaves which fall on road surfaces after trimming are removed, andlabor efficiency is greatly improved.

The invention discloses a hedge pruning device capable of switching between straight pruning and arc pruning and relates to the technical field of hedge pruning. The device comprises a base, a supportframe is arranged on the base, a rotating mechanism is arranged on the support frame, a pruning mechanism is arranged on the rotating mechanism, the rotating mechanism comprises a rotating rod, a gear and a motor are arranged at one end of the rotating rod, and the output end of the motor is connected with the gear. The device has the beneficial effects as follows: used tires can be rapidly transferred, and beautiful hedges can be rapidly and precisely pruned.

The invention discloses an adjustable cutting and weeding device for landscaping, and relates to the technical field of garden equipment. The adjustable cutting and weeding device comprises a bearing frame, wherein a protective shell is mounted on one side of the bearing frame, the adjustable cutting and weeding device further comprises a pair of rotating frames rotationally mounted in the protective shell through hinge seats, adjusting sleeves are connected to rotating shafts through adjusting mechanisms, a plurality of blades are fixed to each adjusting sleeve, a motor I is arranged on the bearing frame, the motor I is in driving connection with a reciprocating lifting mechanism, and the reciprocating lifting mechanism is used for driving a lifting block to perform vertical reciprocating motion. According to the adjustable cutting and weeding device for landscaping, the reciprocating lifting mechanism can drive the rotating frames to rotate, so that before the blades trim the lawn, two toothed plates clamp and straighten grass in the lawn, the blades can fully cut the grass and is not prone to twining, and during the period, the rotating blades move downwards along with the adjusting sleeves and rotationally cut the grass to trim the grass, so that the automation degree of the lawn trimming process is greatly improved, and lawn trimming and weeding are more efficient and uniform.

The invention discloses a portable multifunctional trimmer. The portable multifunctional trimmer comprises a handle, a controller, a supporting seat, a wheel device, a telescopic device and a trimming device. The wheel device comprises front wheel supports, front wheels, rear wheel supports, rear wheels and supporting rods, the rear wheel supports are movably installed on the two sides of the supporting seat through locating pins and nuts, the front wheel supports are installed on the rear wheel supports through movable pins, and locking rods are installed between the front wheel supports and the rear wheel supports. The telescopic device comprises a second rotating motor, a ball screw and a ball screw nut, and the second rotating motor is connected with the ball screw. The trimming device is formed by connecting a third rotating motor, a protection device, a baffle and a trimming cutter head in sequence, and the third rotating motor is movably connected to the ball screw through the ball screw nut. Due to the design, the portable multifunctional trimmer is multipurpose, convenient to carry and use, quite efficient and quite practical and relieves the labor intensity of working.

The invention discloses a high-efficiency nursery pruning device, which belongs to the technical field of garden equipment, and aims to provide a high-efficiency nursery pruning device to solve the problem of low pruning efficiency of existing equipment. It includes a handheld frame, a connecting rod, and a battery. The battery is arranged on the handheld frame. One end of the connecting rod is connected to the handheld frame. A trimmer is arranged on the connecting rod. The output shaft of the motor is connected with a worm, the other end of the worm is connected with a pruning piece, the worm is provided with a T-shaped fixed rod, the lower end of the T-shaped fixed rod is sleeved on the worm, and the left end of the T-shaped fixed rod is hinged with a connecting rod one. The other end of connecting rod one is hinged with connecting rod two, and the other end of connecting rod two is hinged with connecting rod three. A worm wheel is hinged, the hinge point A is located at the center of the worm wheel, and the worm wheel meshes with the worm. The invention is suitable for nursery pruning.

The invention discloses a municipal road green belt trimmer. The municipal road green belt trimmer comprises a bottom plate, wherein two concave baffles are symmetrically disposed on the lower surfaceof the bottom plate, two chutes are symmetrically formed in the upper surface of the bottom plate, and a trimming device is arranged in each chute; a motor base of each trimming device is slidably connected with the corresponding chute, a moving device is arranged on the upper surface of each motor base, and a linear motor of each moving device is fixedly connected to the upper surface of the corresponding motor base; and an adjustment device is disposed in the middle of the upper surface of the bottom plate. The municipal road green belt trimmer can move, and has adjustable height and trimming devices with lateral movement, green belts with different heights and widths can be trimmed, and the trimmed vegetation can be collected so that intensive treatment of the trimmed vegetation can befacilitated; and moreover, the municipal road green belt trimmer can also be fixedly connected with external mobile devices, so that manpower saving, work efficiency improvement and easy use are achieved.

The invention discloses a trimming device capable of trimming an expressway green belt conveniently. The device comprises a green belt trimming car body, a transverse electric stretchable rod and a main trimming cutter; a controller is installed at the back surface of the green belt trimming body, a water pump is installed inside a water tank, the water pump is communicated with a spring disc through a water pipe, the transverse electric stretchable rod is connected with the upper surface of the green belt trimming car body, a retractable rotating shaft is installed inside a longitudinal electric stretchable rod, the upper portion and the lower portion of the longitudinal electric stretchable rod are connected with a motor and a rotating disc through stretchable rotating shafts respectively, the main trimming cutter is installed below the rotating disc, and an auxiliary trimming device is installed inside the rotating disc. According to the trimming device capable of trimming the expressway green belt conveniently, the trimming device and the car are combined together, the size of the trimming device can be adjusted according to the area of the green belt needing to be trimmed, inaddition, while the green belt is trimmed, the green belt can be irrigated and trimming and irrigating are combined into one.

The invention discloses a trimming device with a bidirectional automatic obstacle avoidance function, a control method of the trimming device and a hedge trimming vehicle, and the trimming device comprises an arm frame system for adjusting a trimming posture, a trimming cutter disc rotationally arranged at the tail end of the arm frame system through a rotating mechanism, an electric control system for controlling the combined action of all the parts, and a translation mechanism, the driving mechanism is mounted between the rotating mechanism and the trimming cutter disc and drives the trimming cutter disc to slide according to a set track to avoid obstacles; and the anti-collision mechanism is arranged on the translation mechanism and used for detecting obstacles and sending obstacle avoidance induction signals in the corresponding direction operation process of the trimming cutter disc, and the operation direction refers to the left side or the right side of a driver. According to the green belt trimming device, the avoiding space is enlarged, the defect that the avoiding space of an existing trimming device is limited is overcome, the trimming range is enlarged, the safety and reliability of trimming operation are ensured, and the green belt trimming efficiency is effectively improved.

The invention relates to the technical field of agricultural machinery, in particular to a mowing machine and a system and operation method thereof. The mowing machine comprises a machine body and atleast one trimming device arranged at the bottom of the machine body; in the height direction of the machine body, trimming areas of the trimming devices are tangent to the projection edge of the machine body, or the trimming areas of the trimming devices extend out of the projection of the machine body. The mowing system comprises an electric supply station and the mowing machine. The operation method using the mowing machine comprises the following steps that a trimming function is enabled, the mowing machine walks to a preset boundary line in a first direction, and the trimming devices workand/or a cutting device works; then, the mowing machine walks to a preset boundary line in a second direction, the cutting device works and/or the trimming devices work; the second direction is opposite to the first direction. The invention aims at providing the mowing machine and the system and operation method thereof to solve the technical problem of lower user working efficiency and agricultural production efficiency in the prior art.

The invention discloses an adjustable and moving-type garden seedling pruning device, which comprises a base, a vertical supporting rod is integrally formed on the top of the base, a vertical supporting rod is arranged on the upper portion of the vertical supporting rod, a vertical adjusting groove is formed in the side face of the vertical supporting rod, a ball screw is arranged in the vertical adjusting groove, and a driving motor is fixed to the bottom of the vertical supporting rod. A sliding block is arranged in the vertical adjusting groove, an arc-shaped pruning base is arranged on the sliding block, a sliding groove with a T-shaped section is formed in the inner arc edge of the arc-shaped pruning base, a winding motor is fixed to one end of the arc-shaped pruning base, a T-shaped sliding block is arranged in the sliding groove, and a control motor is fixed in the T-shaped sliding block; and a pruning blade is fixed on the outer edge of a pruning disc. The pruning device is reasonable in structural arrangement, the angle of the vertical supporting rod can be adjusted according to needs, the arc-shaped pruning base can be lifted through the driving motor, the pruning blade reciprocates in the arc-shaped pruning base, the pruning range is widened, and the pruning device is high in applicability and good in practicability.

The invention relates to the technical field of bristle trimming equipment, in particular to a horizontal multi-functional bristle trimming machine. The machine comprises a frame body, a clamp which is slidably arranged on the frame body and used for clamping a brush and a cutter which is arranged on the frame body and located on the two sides of the clamp, a sliding mechanism for driving the clamp to slide in the horizontal direction is arranged on the frame body, the sliding mechanism is provided with a rotating assembly for driving the clamp to rotate, the rotating assembly comprises a vertical plate arranged on the sliding mechanism, a fluted disc rotationally connected to the vertical plate and a third motor which is arranged on the vertical plate and used for driving the fluted disc to rotate, and the clamp is arranged on the fluted disc. According to the application, the fluted disc is arranged, the sliding mechanism is utilized to drive the fluted disc to slide in the horizontal direction, and the third motor drives the fluted disc to rotate, so that the brush can rotate while sliding in the horizontal direction along with the fluted disc, the trimming angle and the trimming range of the brush are further increased, and the machine has the advantage of increasing the brush trimming styles.