567results about How to "Increase work intensity" patented technology

The invention relates to an environmentally-friendly plate for raising rice seedlings and a rice seedling production method, which belong to a rice seedling raising medium and a production method. The plate contains the following raw materials in percentage by weight: 40 to 60 mesh crushed coin straw 60-80, industrial paper pulp processing waste slag liquid 15-25, and 40 to 60 mesh industrial fluidized bed furnace ground slag 5-15. The method comprises: material preparation, raw material crushing, fermentation, mixing, material drying, stirring, pulping, mold loading, compression molding, demoulding and drying. The plate and the production method have the advantages of reducing damages to vegetation, namely plough layer surface soil, solving the problem of difficult soil digging, developing and utilizing straw resources, realizing energy conservation and emission reduction, integrating the medium and the plate, replacing a seedling raising plate and being suitable for the standardization of mechanical sowing, mechanical planting and seedling raising.

The invention relates to an engineering budgeting price combination method based on BIM and cloud platform, and the method comprises the following steps: a CAD drawing is imported in a BIM 3D modeling software, and a 3D model is established; vertical height and elevation of components is determined in the 3D model, an axis net is established to determine the planar positioning dimension, component attributes of each component are defined, and the components are drawn on the axis net; a bill of quantity is exported from the 3D model through a BIM budgeting module; the bill of quantity is exported to the cloud valuation platform to quickly combine the prince; in the construction process, the 3D model is associated with a budgeting file, a sub-contract, construction drawings and a scheduled plan, and the model is divided into manageable work places through a flow section division method; according to the invention, the method improves the budgeting precision, budgeting efficiency and model use ratio, and is good for cost management.

A seat structure for an operator that is set in a cab of a construction machine such as a wheel loader includes: a suspension equipment fixed to a floor frame; a plate-shaped attachment bracket attached on the suspension equipment; a seat and a work equipment console juxtaposed to each other on the attachment bracket. The seat is attached to the attachment bracket via slide rails in a manner slidable back and forth. The work equipment console is also attached to the attachment bracket via a slide rail in a manner slidable back and forth.

The invention discloses a vortex extrusion type large-plastic deformation device which comprises a device main body, wherein the device main body comprises an outer-layer reinforcing ring and an inner-layer concave die in interference fit with the outer-layer reinforcing ring, the inner-layer concave die is provided with a twisting extrusion chamber which is necked from the upper port to the lower port, a twisting extrusion deformation region is formed in the twisting extrusion chamber and comprises a deformation band composed of a plurality of stripe projections or a plurality of stripe grooves, the upper end portions of the stripe projections or the stripe grooves are capable of extending to the upper port of the twisting extrusion chamber, and the lower end portions of the stripe projections or the stripe grooves are capable of extending to the lower port of the twisting extrusion chamber. The vortex extrusion type large-plastic deformation device integrates twisting and extrusion techniques, so that the device is capable of realizing twisting of a material without rotating the die with an extra device and capable of achieving the same effect only through structural design; besides, the device is capable of preventing sliding between the material and the die while twisting; moreover, the device is simple and convenient in design.

The invention relates to a roadside parking management method based on multi-type image collection, is used for roadside parking management, and belongs to the parking management field. The method comprises first parking event information of a near-end parking stall and surrounding and / or a far-end parking stall and surrounding is obtained, second parking event information is obtained on the basis of the first parking event information, third parking event information is generated on the basis of the first and second parking event information and occurrence time thereof, and the third parking event information is sent to the background for background parking management. The method has the advantages that far-end and near-end parking stalls can be covered in high quality, the detection visual angle is enlarged, and the vehicle detecting and tracking accuracy is improved; advantages of different types of image collectors are utilized fully, and the occupation ratios of effective areas in the images are improved; an optimal license plate detection zone is utilized, and the accuracy of license plate identification is improved; and on the basis of the control modules, parking events can be determined more accurately, and charging evidences can be obtained more fully.

The invention relates to the coal mine roadway drivage machinery, in particular to a heavy hard rock tunneling machine which can cut a semi-rock roadway and a whole-rock roadway with high hardness. The tunneling machine solves the problem that the prior mole is not suitable for rock roadway drivage, can greatly improve the drivage working efficiency of the whole-rock roadway, and dramatically reduce working intensity of operators. The tunneling machine has an integral structure with high strength, a complete machine with heavy weight, a horizontal side support arranged on the back of the machine, and a device with high stability; the machine is provided with a mighty dust absorption system and an inside and outside spray dust suppression system, which effectively improves working environment of the operators; a traction of the tunneling machine adopts a full-sealed structure to increase traction driving force and improve propulsive force of the cutting; the tunneling machine has a small assembly, a large diameter and an inertia cutting head, adopts a reliable and highly-efficient hydraulic system matched with a high-strength point-attack pick, which greatly improves unidentate cutting force, thereby the tunneling machine has the ability of cutting the semi-rock roadway and the whole-rock roadway with high-hardness (f8).

The invention discloses a multifunctional same-furnace multi-band bimetal strip saw blade heat treatment full-automatic production line and a process thereof, relating to a bimetal strip saw blade production line and a compound quenching process and solving the problems of difficult control of equipment and process parameters, difficult guarantee of product quality, incapability of producing multiple saw blades in various specifications at the same time, low equipment capacity efficiency, high production cost and energy wastes of water, power and gas at present. In the invention, equipment in all working procedures are integrated into one production line, all the working procedures of quenching, tempering, sand blasting, cleaning, baking, marking, oil coating, straightening and the like are completed on the same production line, the production of multiple saw blades in various specifications can be completed at the same time, and after the invention is applied, the total capacity can be improved by 5-8 times, the service life of the product can be improved by around 50%, and the production cost can be reduced by more than 40%. An on-ling dynamic rapid-tempering novel technology is adopted for tempering equipment and process, thus the saw blades travels faster on the production line to complete the whole process of tempering so that high capacity can be achieved for the saw blades.

The invention discloses a bending plate type tire device. The bending plate type tire device comprises a wheel rim, wherein a plurality sets of supporting pieces which are continuously bended are fixed on the circumference annular surface of the wheel rim through fastening pieces; a band lining is arranged on the outer parts of the supporting pieces in a padding manner, and is wrapped with a packing piece, or an inflatable cover tire is arranged on the outer part of each of the supporting pieces; the longitudinal section of each supporting piece is in a flat S shape, and each supporting piece is divided into a mounting section, a neck bend, a straight section, a shoulder bend, a working section and a tail section, wherein a tail inserting groove is formed in the surface of the tail end of the working section, and is circular; a jointed part of the tail inserting groove and the tail section of each supporting piece forms a triangular space; a plurality of bosses radially facing outwards are arranged at the position, close to the tail section, of the tail inserting groove. According to the bending plate type tire disclosed by the invention, compared with the prior art, one or more sets of plate-shaped elastic supporting pieces which are mutually connected and continuously bended are mounted on the wheel rim, so that the functions of elastically supporting a wheel load, driving and braking are realized, and the requirement that a vehicle can durably and safely operate in multiple complex and harsh environment is met.

The invention discloses a yarn breakage alarm device of a yarn pretension regulating mechanism of a computer-based flat knitting machine, belonging to the field of computer-based flat knitting machines. The yarn pretension regulating mechanism comprises a substrate provided with a tension-spring tensile force regulating slider, a fixed shaft, yarn guiding arms and yarn guiding rods. The yarn breakage alarm device comprises a yarn breakage alarm signal rod, and the yarn breakage alarm signal rod is arranged on the fixed shaft and corresponds to the upside of the yarn guiding rod. The yarn breakage alarm device is characterized by further comprising a regulating knob and a signal collector, wherein one side of the regulating knob towards a turntable is matched with the turntable, one side of the regulating knob towards the signal collector is fixedly provided with a magnet, the signal collector is fixed on a box base and corresponds to the magnet, and the signal collector is electrically connected with a controller of the computer-based flat knitting machine through a circuit. The yarn breakage alarm device has the advantages of being capable of playing the role in timely alarming and shutting down, guaranteeing the reliability and non-malfunction of yarn breakage alarm, and favorably preventing increased work load to operators due to artificial cleaning.

The invention relates to a falling protector self-locking reliability tester which comprises a machine frame and a guide rail assembly. The machine frame above the guide rail assembly is fixedly connected with a guidance releasing device. The guidance releasing device is fixedly connected with a connection portion. The connection portion is fixedly connected with a weight-adding device. The machine frame is movably connected with a limitation device. The machine frame is provided with a lifting device. The advantages of the falling protector self-locking reliability tester are that the lifting device drives the guidance releasing device connected with the falling protector to control the falling protector to be tested on the guide rail assembly or a rope, the limitation device guarantees the falling protector to be tested within the right movement area during testing, and the weight-adjustable weight-adding device improves test results of the falling protector under different weights effectively, thereby effectively reducing work intensity of the operating personnel during test in the past; and the tester is convenient to operate, good in safety and reliability and good in practical performance, can be suitable for falling protectors of different models and can reduce damage to the operating personnel.

A well jet device for testing oil-gas wells comprises a body provided with bypass windows and an insert provided with a jet pump. The insert has channels and a mounting seat embodied therein, carrying a sealing unit with a channel for a cable and well instruments fixed thereto. An output channel communicates with an upstream cavity. A supporting sleeve, provided with bypass openings embodied in the wall of the sleeve and with a flange arranged in the lower part thereof, axially movable and spring-loaded with respect to the body, is arranged therein. A recess used for limiting the displacement of the sleeve flange and connected to the bypass windows is formed thereunder. In the lower position of the sleeve, channel for supplying active medium is linked with surrounding space through the bypass openings and windows, whereas in the top position thereof the windows are closed by the sleeve wall.

The invention relates to a multi-control intelligent wet test system. The multi-control intelligent wet test system comprises a rack. The rack is provided with a water groove. A supporting device is arranged in the water groove. A spraying assembly is rotatably connected with the position, arranged above the supporting service, of the rack. A water supplying assembly connected with the spraying assembly is arranged inside the position, below the water groove, of the rack. At least one water outlet pipeline used for flowing water in the water groove back into the water supplying assembly is arranged on the bottom end of the water outlet pipe. The multi-control intelligent wet test system has the advantages that a test-needed cleaning test object is fixed on the water groove through the supporting device, the wet test is conducted on the cleaning test object through controlling the spraying assembly by the water supplying assembly, so that the working intensity of an operator during the wet test system operation is improved, the spraying volume is well controlled, and the spraying effect is improved. Due to the fact that spraying liquid flows back into the water supplying assembly through the water outlet pipe after the spraying, and therefore the waste of the spraying liquid is reduced, the wet test efficiency is improved, the using effect is good, and the wet test is convenient to conduct.

The invention pertains to a manufacturing method of disclosed composite pipe, which comprises: an inner pipe (compound layer) adopts stainless steel material and an outer pipe (base layer) adopts carbon steel material, the inner pipe is arranged in the outer pipe, pull / push method is adopted and the function of a formed die is matched to cause the inner pipe and the outer pipe to generate plastic deformation of equal-wall thickness and to compound together in the condensation process. The bimetal composite pipe produced by the manufacturing process can replace stainless steel pipe, non-ferrous metal pipe and various plastics-steel composite pipes and have the same corrosion prevention performance; furthermore, the bimetal composite pipe can also act parts in reducing construction cost of the product, improving working strength, extending application temperature range, improving solderability, facilitating construction, etc., which is widely used in the industries such as petroleum, chemical engineering, electric power, papermaking, medication, food, etc.

A visual automobile exhaust detection device of the present invention comprises the walking tracks, a bottom plate, an exhaust detection box, an exhaust acquisition pipe, a horizontal moving mechanism, a vertical moving mechanism and a video monitoring mechanism. The walking tracks are arranged at the two sides of the bottom plate symmetrically, the exhaust detection box, the horizontal moving mechanism and the video monitoring mechanism are all located at the upper end of the bottom plate, and the exhaust acquisition pipe is connected with the exhaust detection box. The horizontal moving mechanism comprises a sliding guide rail, a screw motor, a screw, a support and an objective table, and the objective table and the sliding guide rail are connected slidably and cooperatively. The visualautomobile exhaust detection device of the present invention solves the problems that at the current automobile exhaust detection, a detector and an automobile exhaust pipe need to be butted artificially and manually, and the bodies of the detection personnel are damaged due to the long-term on-site work, and realizes the remote monitoring and operation and data processing functions at the automobile exhaust detection.

The invention discloses a three-rail vibrating plate which comprises a vibration plate, a hopper, an inner spiral rail and a material outlet. The three-rail vibrating plate further comprises two layers of stair structures, a first rail, a second rail, a third rail, anti-stacking baffles, a material return gap and a direction limiting mechanism, wherein the bottom of the vibrating plate is provided with the hopper, the hopper is provided with the inner spiral rail, the tail end of the material outlet is connected with the first rail, the second rail and the third rail, the rails are provided with the anti-stacking baffles used for enabling stacked workpieces to return to the material return gap, and the rails are additionally provided with the direct limiting structure, and accordingly the workpieces can be conveyed forwards in order. According to the three-rail vibrating plate, the iron-core workpieces conveyed in the rails can be effectively conveyed forwards according to the requirements that the workpieces are not stacked and are distributed in one posture; largest efficiency can be achieved by means of effective matching of the three-rail vibrating plate and the station and workload of a grinding procedure; work intensity of staff is reduced, feeding efficiency is improved and rework cost is reduced.

The invention relates to a method for compact spinning which includes steps as follows: three rovings are feed into a pipe socket with three holes parallelly synchronously, then three rovings passes through a back roller, a middle roller, a front roller and a compact spinning device, three rovings forms a compact spinning thread acted by three airflow conduit ferrules on a special pipe of the compact spinning device and a net ring, the compact spinning thread processes twisting and doubling automatically, three rovings becomes a roving for forming folded yarn. The method has advantages of economize on manpower and reducing energy consumption.

The invention discloses a security monitoring system, and the system comprises a video obtaining unit which is used for obtaining the video information of a to-be-monitored region; an action recognition unit which is electrically connected with the video acquisition unit and is used for recognizing the video information acquired by the video acquisition unit; and a display unit which is electrically connected with the video unit and / or the action recognition unit, and the display unit is used for displaying the video information acquired by the video acquisition unit and / or the information output by the action recognition unit. The invention further discloses an unmanned convenience store applying the security monitoring system.

The invention discloses a tool for mounting a tooth holder of an end effector for mining equipment. The tool comprises a base, a support disposed on the base and a positioning chuck; the positioning chuck disposed on the support is used for clamping the end effector; a turnplate is rotatably mounted on the base under the support; a rotating arm is connected to the side of the turnplate; a pillar is disposed on the rotating arm; a cross arm is disposed on the pillar; a tooth holder positioning clamp for clamping the tooth holder is mounted on the cross arm; the lower end of the pillar is provided with a moving mechanism used for driving the pillar to approach to the support or leave the support along the rotating arm; a lifting mechanism for driving the cross arm to ascend and descend along the pillar is disposed on the cross arm. The tool has the advantages that adjustment of spatial attitude of the tooth holder is facilitated, mounting of the tooth holder is facilitated accordingly, the structure is simple, labor intensity is reduced for workers, processing cycle is greatly shortened, and product cost is lowered.

The multi-layer bamboo plywood with high work strength isn't liable to warp, characterized in that said plywood is composed of bamboo strips or strip-shaped bamboo compositing materials that are superposed and glued one with respect to another, the side of said plywood is provided with a through hole running through the plywood perpendicular to said side, tensioned wires with high tenacity and elasticity are provided within said through hole and a fastening assembly is disposed at the end of said wires. The advantages of this invention consist in high strength, excellent abrasion resistance and being not liable to warp, which contribute to flat connection in series and long service life. Said bamboo plywood is a perfect substitute for lumber, and the wide use thereof will remarkably save lumber and thereby protect the forest resources.

The invention relates to a separation, collection and treatment device for used medical syringes. The device comprises a base, a collecting box, a collecting plate, a trapezoidal baffle, a first rotating roller, a rotating shaft, a rotating mechanism, a groove, an L-shaped plate, a conveying mechanism, a syringe needle separating mechanism and a core rod separating mechanism. The separation, collection and treatment device can solve the following problems existing in the treatment process of the used medical syringes in the prior art, the syringes are collected through the collecting box, and when the syringes fall down, syringe needles are adsorbed through power on and power off of an electromagnet, so that the syringes are uniform in direction, tidy and ordered; the syringes are conveyed through a conveying mechanism, so that the working efficiency of separating the syringes is improved; and the syringe needles and syringe cylinders are separated through the syringe needle separating mechanism and the core rod separating mechanism, the syringes are moved in order through a rotating mechanism, deviation of the syringe needles and core rods is avoided, the separating efficiency of the syringe needle separating mechanism and the core rod separating mechanism is improved, and the syringe collecting and processing efficiency is improved.

The invention discloses a mine vehicle square array formation control system, which is divided into a multi-operating-mode switching module, a desired vehicle spacing calculation module, an acceleration calculation module and an early-warning module. When calculating desired longitudinal vehicle spacing, the mine vehicle square array formation control system considers the influences of controlledmember vehicle load capacity, brake action delay and square array delay, considers the influences of desired brake spacing and desired parking spacing at the current road surface level, and prevents rear-end collision accidents of controlled member vehicles caused by emergency braking in case of emergency. The mine vehicle square array formation control system provides four operating modes, whichare respectively an efficient mode and an energy-saving mode according to the operating conditions, and a slippery mode and a foggy night mode when the road surface condition is poor or the visibilityis low, and the driving safety of a vehicle team is guaranteed; and when driving on an unstructured road and an open space without a road as well as driving intermountain, an auxiliary vehicle driverperforms driving control over an auxiliary vehicle, and following vehicles follow the corresponding auxiliary vehicle in driving, thereby expanding the adaptability of the mine vehicle square array formation control system to the terrain.

The invention provides an automatic processing line for a textile fabric and an automatic processing technology for the textile fabric. The production line includes a bottom plate, a fixing device, awashing device and a winding device. The fixing device is installed at the left end of the bottom plate, the cleaning device is installed in the middle of the bottom plate, and the winding device is installed at the right end of the bottom plate, and the fixing device is of a symmetrical structure. The production line and the method can solve the problems that in the process of washing underwear cloth, coiled underwear cloth can not be washed and needs to be re-coiled after being spread and washed manually, manual spreading, washing and re-coiling of the coiled underwear cloth increase the production cost of enterprises and the worker's working intensity and reduces the production efficiency, and meanwhile the cloth wrinkles after washing and thus affects sale.

The invention discloses a parking stall controller and a parking stall management system based on a string code authentification of a personal identity, solving the problems of the difficulty in parking and ineffective management and utilization of the parking stall in a city. The technical proposal of the invention is as follows: the parking stall controller comprises a measuring unit, a wireless communication authentication unit, a communication pre-processing unit, power supply unit and an operation control unit. The wireless communication authentification unit comprises a wireless identity string code storage module and a wireless identity string code resolution and authentification module. The operation control unit comprises a parking allowable duration setting module which sets the parking allowable duration for the parking stall, an illegal occupancy processing module which judges whether an illegal occupancy of the parking stall happens and sends out the control signal according to a judgment result, and uploads a serial number of the parking stall and a time scale to a host system, a timing-charge module which calculates a holding time of the parking stall and a necessary parking fee and uploads the calculation result to the host system, and an alarm module for outputting an alarm signal. The parking stall controller and the parking stall management system based on the string code authentification of the personal identity can be applied to the field of the parking stall management.

The invention relates to a health-care tea that can improve sleep, belonging to health-care foodstuff field. Said tea comprises Chinese date, ethanol extract of Semen Ziziphi spinosae and acanthopanax root. The concrete extracted from Chinese date and Semen Ziziphi spinosae is disintegrated, and dissolves in water to get solution, sprays it onto acanthopanax root, picks up acanthopanax root leaves, and fries to produce tea. It is tested by clinical trail that the health-care tea can improve sleep, balance blood pressure, release fatigue, delays aging, reduce headache incidence rate, increase memory, and there is no toxic effect and bad reactrion.

The invention relates to 'a cultivation method of an acanthopanax tea plant and the acanthopanax root tea with the purpose of enhancing immunity', which belongs to the field of health protection tea. The cultivation method of the acanthopanax tea plant is characterized in that: (1) soybean cakes are used for fertilizing the root; (2) pistil leaves of the acanthopanax are sprayed with foliar fertilizer every day a week before picking, wherein, the foliar fertilizer are prepared by jujube extract and ginseng distilled water. The acanthopanax root tea prepared by the tea plant has no other ingredients, which can obviously enhance the immunity of the organism of people with low immunity; meanwhile, the tea also has the advantages of convenient drinking, no small pieces and moderate sweet and sour taste. Clinical trials verifies that the acanthopanax root tea has not only the efficacy of enhancing immunity, but also the advantages of balancing blood pressure, relieving physical fatigue, delaying senility, reducing the incidence rate of headache, strengthening memory power and even increasing working strength for some people; in addition, the tea has no side effect and adverse reaction.

The invention relates to the technical field of solar equipment, in particular to a solar water heater. According to the technical problem to be solved, limescale in the water heater influences the heating efficiency of the water heater. In order to solve the technical problem, the solar water heater comprises an inclined base, a box supporting base is arranged on the right side of the inclined base, and a water tank is arranged at the top of the box supporting base; a fixed block is arranged on the left side of the top of the inclined base, a vacuum pipe is arranged between the fixed block and the water tank, and a fixed column is arranged at the top of the inclined base; and a movable sleeve is arranged outside the fixed column, and a ring sleeve is arranged at the top of the movable sleeve. According to the solar water heater, the limescale is treated in the water adding process every day, so that the heating speed of the solar water heater is not reduced; the adhesive power of thelimescale is low within a short time, the limescale treatment process is more convenient; and the limescale does not need to be treated by controlling water temperature, and utilization of solar energy is maximized.

The embodiment of the invention discloses a sheet medium conveying mechanism, which comprises a power source, piling sheets, a transferring mechanism, a locking mechanism, a resetting mechanism and a clamping mechanism, wherein the power source is used for outputting power to a central shaft; the piling sheets are driven to rotate by using the power source; the transferring mechanism is used for receiving sheet media conveyed by the piling sheets and piling; the locking mechanism is used for positioning, locking and controlling the transferring mechanism; the resetting mechanism is used for rotationally resetting the transferring mechanism; the clamping mechanism is used for butting an entire pile of sheet media conveyed by the transferring mechanism, so that large sheet medium bearing capacity and transmission quantity can be realized by using the piling sheets and transferring mechanism; efficient butting of sheet media can be finished between the piling sheets and the transferring mechanism as well as between the transferring mechanism and the clamping mechanism, so that the working speed is increased, and the working efficiency of the entire mechanism is increased; and moreover, due to the adoption of the butting way, the working strength of entire sheet medium conveying medium is high, wear among components is reduced, and the service life is prolonged.

The invention provides a supersaturated intersection entrance traffic capacity design method based on the traffic demand. The traffic demand of the supersaturated intersection can be automatically calculated, the traffic capacity of the supersaturated intersection can be adjusted, and the accuracy of road intersection traffic control and the overall operation efficiency can be improved. In the technical scheme of the invention, the method comprises the following steps: acquiring a supersaturation problem occurring time period of a target intersection, wherein the result is used as an investigation period during import traffic flow accumulation; using a signal timing period of a target intersection as an acquisition period; acquiring actual data of queuing vehicles and passing vehicles; andcalculating an actual running traffic capacity value T of the intersection entrance peak period based on the actual vehicle data, calculating an intersection entrance traffic demand investigation quantity D, calculating an entrance traffic capacity design multiplication coefficient through T and D, and taking the coefficient as an auxiliary parameter for adjusting the intersection traffic capacity.

The invention discloses a 10kV charged drainage wire supporting device which comprises a concave block, a moving mechanism, a drainage wire supporting frame made of epoxy resin materials and a drainage wire fixing mechanism. The concave block is provided with an upper elastic piece and a lower elastic piece, the drainage wire supporting frame made of the epoxy resin materials is mounted between the upper elastic piece and the lower elastic piece through the moving mechanism, and the drainage wire supporting frame made of the epoxy resin materials is connected with the drainage wire fixing mechanism through an elastic ring. The problems that the safety distance is not enough in the operating process that a lightning arrester and a falling type fuse are replaced, operating steps are complex, time and labor are consumed, and personal safety is seriously harmed are solved. Working processes are simplified, the working time of replacing is shortened, working efficiency is improved, and a safe working distance is guaranteed.

The invention relates to a hickory nut beat-off device to solve the problems that in the prior art, an up-and-down vibration type hickory nut picking device cannot shake off all nuts, a striking type picking machine is excessively complex in structure and cannot be moved conveniently, a rotation type picker can only strike the nuts at the same horizontal position, and efficiency is too low. The hickory nut beat-off device comprises a power supply device, a retractable rod and a rotating rod, and is characterized in that the retractable rod comprises a bottom rod at the outermost layer and a plurality of middle rods which are located inside the bottom rod and can stretch out one by one, the upper end portion of the middle rod in the innermost layer is provided with a motor, a rotary table is arranged on the motor, and the rotating rod is vertically or obliquely arranged on a rotary table spoke. The retractable rod is light, labor intensity is low, the retractable rod has elasticity, the rotating rod doing rotation movement has a large striking range and conforms to the characteristic of nut bear fruit, and the striking effect is good.