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 hand-held branch trimming device, and relates to the technical field of branch trimming equipment. The device comprises a bearing structure, the outer wall of the bearing structure is provided with a fastening structure and an extension rod, the upper portion of the bearing structure is provided with a motor, an output shaft end of the motor is provided with a circular cutter, and the lower portion of the bearing structure is provided with a clamping structure. The hand-held branch trimming device has the advantages that a user can stand on an original position to trim trees, and meanwhile the device can also be adjusted for trimming according to the heights of the to-be-trimmed trees.

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 pruning device capable of preventing broken leaves from splashing and used for road green belt maintenance. The pruning device comprises a bearing plate, a servo motor, an air pump, an electric telescopic rod, an electric pruning knife and a driving motor. The servo motor is mounted in the bearing plate, a mounting block is arranged on the outer side of a worm, a limitingblock is mounted on the inner side of the tail end of an adjusting rod, a guide rod is connected into the bottom end of the supporting rod, a fixing plate is fixed to the top end of the supporting rod, a dredging plate is connected into the right end of the bearing plate, and a collecting box is mounted on the upper left part of the fixing plate. According to the pruning device capable of preventing the broken leaves from splashing and used for the road green belt maintenance, the height of the pruning device is convenient to adjust, the operation stability of the pruning device can be effectively improved, and disassembly and transportation are convenient; and the pruning device is not prone to being affected by sundries on the road surface to advance, the broken leaves can be preventedfrom splashing, sanitary cleaning is convenient, the pruning angle of the device can be adjusted, and the pruning range can be expanded.

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 a multifunctional pruning vehicle suitable for city road green belts. The multifunctional pruning vehicle comprises a vehicle body, a traveling mechanism, a control mechanism,a spherical landscape plant pruning mechanism and a landscape plant trimming mechanism and is characterized in that the vehicle body serves as a moving platform and a bearing platform to carry the spherical landscape plant pruning mechanism and the landscape plant trimming mechanism, and the landscape plants of the green belts on two sides of a road can be pruned when the vehicle body moves on theroad; spherical landscape plant pruning can be achieved through the spherical landscape plant pruning mechanism, and the angles of pruning tools can be controlled to prune spherical landscape platesof different diameters; the trimming of landscape plants of different styles can be achieved by the landscape plant trimming mechanism which can transform. The multifunctional pruning vehicle has theadvantages that the pruning of most of landscape plants can be achieved by the two pruning mechanisms of the multifunctional pruning vehicle, automatic operation can be achieved, and the multifunctional pruning vehicle is simple to operate, capable of saving a large amount of manpower and material resources, capable of liberating labor force and capable of increasing green belt plant pruning efficiency and quality.

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 provides a safe and practical obstacle avoidance device for a plant pruning knife rest. The safe and practical obstacle avoidance device comprises a rack, wherein a roller is arranged atthe lower end of the rack, a handle is arranged on one side of the upper end of the rack, a smashing device is arranged above the rack, a lifting table is arranged on one side of the smashing deviceand is located at the upper end of the rack, the upper end of the lifting table is connected with a fixing plate, a guide rail is arranged on the fixing plate, a sliding block is arranged on the guiderail, one end of the sliding block is connected with a telescopic rod, one end of the telescopic rod is connected with a motor, the output end of the motor is connected with a pruning device througha rotary telescopic rod, the guide rail is arranged on the fixing plate, the sliding block is arranged on the guide rail, one end of the sliding block is connected with the telescopic rod, one end ofthe telescopic rod is connected with the motor, the output end of the motor is connected with the pruning device through the rotary telescopic rod. The safe and practical obstacle avoidance device hasthe advantages of being simple in operation, good in pruning effect, capable of effectively preventing the knife rest from being abraded and saving energy and low in cost and being friendly to the environment.

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 double-blade trimming device for a garden. The double-blade trimming device includes a base, a roller, a scissor fork type lifting device, a supporting plate, a mounting plate, a first motor, a T-shaped supporting rod, a fixed plate, a second motor, a disc, a movable cutter arm, a positioning pin, a fixed cutter arm and a trimming blade. The double-blade trimming device is provided with the scissor fork type lifting device, the trimming height is adjusted through the lifting device to trim trees of different heights, a worker does not need to climb to a tree for trimming, the safety coefficient is high, and the application range is wide. The first motor and the mounting plate are arranged to facilitate the trimming angle, trees all around can be trimmed, the trimming range is wide, and the working efficiency is improved. The second motor, the disc, the movable cutter arm and the fixed cutter arm are arranged. During the process of driving the movable cutter arm to perform left-right swing, branches are continuously trimmed, the speed is quick, the range is wide, and the working efficiency is further improved.

The invention discloses an angle-adjustable tea tree pruning equipment. The equipment includes a machine frame, supporting legs are arranged at the two ends of the rack respectively, a plurality of uniformly distributed bottom wheels are arranged at the lower ends of the supporting legs, a pruning mechanism with an adjustable inclination angle is arranged at the front end of the rack, a fixing mechanism capable of fixing the angle of the pruning mechanism is arranged at the front end of the pruning mechanism, rotatable connecting mechanisms are arranged at the two ends of the rack respectively, the lower end of each connecting mechanism is provided with an angle adjustable cutting mechanism, the back end of the pruning mechanism is provided with a lifting mechanism, and the back end of therack is provided with a recovery mechanism for collecting the residual branches of the tea tree. The equipment has the advantages that the tea tree pruning machine can prune the side ends of tea trees by the aid of the cutting mechanism, secondary manual pruning is omitted, and accordingly the tea tree pruning machine improves the work efficiency.

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 field of landscaping, and discloses landscaping branch pruning equipment which comprises a lifting pruning box, a lifting ladder box is fixedly arranged at the top end of the lifting pruning box, a transmission box is fixedly arranged at the top end of the lifting ladder box, a transmission cavity is formed in the end surface of one side of the transmission box, two guide sliding grooves are formed in the upper wall and the lower wall of the transmission cavity in a communicating mode, sliding blocks are slidably connected into the two guide sliding grooves, connecting block sliding grooves are formed in the end surfaces of the sides, close to each other, of the sliding blocks in a communicating mode, connecting blocks are slidably connected into the connecting block sliding grooves in the two sides, a pruning block is rotatably connected between the two connecting blocks, and a distance adjusting device is fixedly arranged on the end surface of one side of the pruning block. The landscaping branch pruning equipment is convenient to adjust, can move upwards in an attached mode according to the diameters of trees, can adapt to the trees according to the growth condition of the trees while moving, and can guarantee good pruning precision.

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.