38results about How to "Consistent strength" patented technology

The invention relates to the technical field of automobile coating testing, in particular to an automobile coating adhesion performance testing machine and a testing method.The automobile coating adhesion performance testing machine comprises a base, a limiting block used for limiting a sample plate is fixedly installed on the upper end face of the base, an n-shaped frame located above the limiting block is fixedly installed on the upper end face of the base, and a downward pressing mechanism is arranged on the n-shaped frame. A limiting, cutting and adhering integrated operation model is adopted to complete cross-grid testing of different intervals of the automobile coating sample plate, an efficient, accurate and standardized testing process is achieved, uniform pressure control ensures that the cutting depth and force of grids with different intervals on the surface of the sample plate are consistent, and a base material is prevented from being damaged; the testing efficiency is greatly improved through cross-shaped limiting and synchronous cutting, it is ensured that the angle of each grid is accurate to be 90 degrees, meanwhile, coatings with different hardness and thicknesses can be easily coped with only by adjusting the pressure, the operation consistency is remarkably enhanced in the automatic adhesive tape adhering and tearing process, and the testing quality and efficiency are comprehensively improved.

The invention relates to the technical field of tunnel detection, in particular to knocking equipment for tunnel detection.The knocking equipment for tunnel detection comprises a movable base, an electric power storage box is connected to the end face of the movable base, and an adjustable knocking structure capable of adjusting knocking force is connected to the side wall of the electric power storage box; an adjustable knocking structure is arranged on the side wall of the power storage box, an adjustable multi-point detection structure capable of adjusting the distance between every two detection points is connected to the adjustable knocking structure, and a controller and a handle are connected to the side wall of the power storage box. Therefore, a rotating motor in the adjustable multi-point detection structure can be used for adjusting the distance between detection points through a transmission structure, the distance between the detection points can be adjusted according to detection requirements, the number of times of knocking can be reduced during detection of the device, the detection efficiency is improved, and meanwhile detected data have more comparability.

The invention relates to an optical fiber gyroscope, in particular to a method for acquiring the optimal modulation depth of an optical fiber gyroscope nested with a Michelson interferometer, and aims to overcome the defects that in the prior art, when the optimal modulation depth of the optical fiber gyroscope nested with the Michelson interferometer is determined, a large number of debugging tests and data analysis need to be carried out, the operation process is complex, and time is wasted. The method for obtaining the optimal modulation depth of the fiber-optic gyroscope nested with the Michelson interferometer comprises the following steps: measuring the optical power P1 and the superposed optical power P2 of an interference optical signal, controlling the amplitude of a square wave electric signal output by a signal generator arranged at an electrical modulation port of a Y waveguide integrated modulator, taking the superposed optical power P2i corresponding to CT2i = 0dB, calculating to obtain the optimal modulation voltage, and obtaining the optimal modulation depth of the fiber-optic gyroscope nested with the Michelson interferometer. The method disclosed by the invention is convenient and efficient, and is beneficial to batch production and debugging of the fiber-optic gyroscope.

The invention discloses similar test block forming equipment for a roadway similar simulation experiment and a manufacturing method. The similar test block forming equipment comprises a lower forming die, and an upper pressurizing die for pressurizing and forming a similar material in the lower die at a constant pressure is arranged above the lower forming die; and the pressurizing upper die is connected with a pressurizing control device for setting a critical pressure value during pressurizing according to mechanical parameters of the standard test block and setting a critical position to control the pressurizing upper die to move and pressurize. According to the forming equipment, similar materials are pressed and formed into required similar test blocks through the pressurizing upper die capable of providing constant pressure, so that the large mechanical property difference of the similar test blocks caused by inconsistent manual tamping mode and tamping force in the similar test block manufacturing process is avoided; therefore, the reliability and the accuracy of the experimental result of the similar simulation experiment are improved.

The invention relates to a pipeline internal detection system and method based on particle ray detection imaging, and the system comprises a ray source and a plurality of detectors which are circumferentially and uniformly distributed around the ray source at intervals. The plurality of particle scattering rays are formed after a plurality of particle incident rays emitted by the ray source are scattered by the wall of the to-be-detected pipeline during detection. The method has the beneficial effects that the design is reasonable, rapid detection of pipeline wall defects, especially tiny defects, can be realized, the pipeline internal detection precision and defect adaptability are improved, and the technical problem of internal detection of tiny complex defects of the pipeline is solved.

The present invention relates to the technical field of detection devices, and discloses a connectivity detection device for a connector and a flat wire harness, including a base plate and a flat wire harness, wherein a clamping mechanism is disposed on the top of the base plate, a circulation mechanism is disposed on the top of the base plate, and a switching mechanism is disposed on the top of the base plate; the clamping mechanism is used to clamp and fix the flat wire harness, and the circulation mechanism is used to push the flat wire harness to move back and forth for reciprocating plug-in and pull-out testing. The connectivity detection device for the connector and the flat wire harness, using the clamping mechanism, places the port of the flat wire harness on the lower clamping plate, and enables the cylindrical through hole of the flat wire harness to be plugged into the positioning column of the lower clamping plate to ensure limiting. The pressing force applied by the limiting member to the serrated member is adjusted to avoid damage to the port of the flat wire harness due to excessive pressure; protecting the integrity of the test equipment can ensure that the test conditions are consistent each time, and reduce fluctuations in test results caused by equipment damage.

Embodiments of the present application provide a structured light camera parameter correction method, device, storage medium and program product. The method corrects the light source output intensity of the structured light camera based on the collected image when the brightness difference degree of the image collected by the structured light camera is greater than or equal to a brightness difference degree threshold, to compensate for the brightness of the underexposed area and / or suppress the brightness of the overexposed area; until the brightness difference degree of the image collected by the structured light camera is less than the brightness difference degree threshold, the corrected light source output intensity is determined as the final light source output intensity, which can supplement the effective signal intensity of the edge and both sides of the field of view, suppress the effective signal intensity of the center area of the field of view, make the brightness values in the full field of view range consistent, solve the problem of uneven brightness distribution of the field of view, and improve the imaging integrity while meeting the timeliness requirements of industrial real-time imaging.

This utility model relates to the field of durability testing technology, specifically a solid-state drive (SSD) insertion / removal durability testing fixture. It includes a test base, a feeding mechanism, a gripping mechanism, and an insertion / removal mechanism. The feeding mechanism is mounted on the surface of the test base and includes a conveyor frame, a conveyor belt, and a conveyor motor. It can quickly and accurately align the gripping claw with the SSD under test, and the gripping force can be naturally adjusted according to the spring compression. This avoids damage to the SSD casing caused by rigid gripping while ensuring effective clamping of the SSD. The pawl, under the elastic force of the second spring, continuously engages with the ratchet tooth groove, forming a one-way locking structure. This completely restricts gear reversal, thereby locking the position of the pressure plate and ensuring that the gripping claw maintains a stable clamping force. Even if the electric telescopic rod experiences slight extension or contraction, or if the equipment vibrates during operation, it will not loosen, providing absolutely stable gripping assurance for subsequent lifting, conveying, and other processes.

The rotary opening and closing mechanism is used for opening and closing a jig, and the jig comprises a supporting part and a covering part which are rotationally connected; the jig rotating opening and closing mechanism comprises an opening and closing assembly and a horizontal assembly. The horizontal assembly comprises a horizontal driving mechanism and a jig installed on the horizontal driving mechanism. The opening and closing assembly comprises an opening and closing support installed on the horizontal assembly, a vertical driving mechanism and an opening and closing piece, and the opening and closing piece is movably installed on the opening and closing support through the vertical driving mechanism. When the jig needs to be covered or opened, the horizontal driving mechanism enables the jig to horizontally move to the position opposite to the opening and closing piece, and the opening and closing piece is matched with the horizontal driving mechanism through the vertical driving mechanism so that the supporting part and the covering part can be oppositely covered or opened. The device does not need manual operation, and unstable factors and errors possibly caused by manual operation are avoided.

The application discloses a kind of offshore wind turbine fault interval time prediction methods based on knowledge graph, comprising the following steps: step one: collection operation maintenance data generates sample set;Step two: time alignment and field standardization generate structured record;Step three: construct knowledge graph to obtain node set, edge set, edge weight;Step four: establish the mapping relationship of to-be-sampled parameter vector, generate graph atlas correlation matrix and construct structured proposal distribution;Step five: generate candidate parameter vector;Step six: divide subgraph data block and establish subgraph log likelihood cache, calculate log likelihood increment;Step seven: delay accept Metropolis-Hastings iteration update to-be-sampled parameter vector to obtain posterior sample set;Step eight: output fault risk parameter and generate fault interval time prediction result.The application improves the stability and calculation efficiency of fault interval time prediction result.

The utility model discloses a kind of rubber processing with rubber mixing mill, including base and two groups of support box being vertically arranged on base, two groups of the opposite side wall of support box are rotatably provided with two groups of roller, one group of the support box is provided with the driving assembly for driving two groups of roller relative rotation, the top of two groups of the support box is also provided with top plate and is integrated with the auxiliary mixing assembly for automatic cutting, recycling mixing material on top plate, and for accurate addition of color material feeding assembly;The opposite side wall of support box is provided with sliding slot, the auxiliary mixing assembly includes lifting plate slidingly arranged in two groups of sliding slot at both ends, the lifting plate bottom is provided with storage box and the bottom opening of box body. The utility model relates to rubber mixing equipment technical field, specifically provides a kind of rubber processing with rubber mixing mill.

The invention relates to the technical field of ultraviolet crosslinking devices, and discloses a multiband ultraviolet crosslinking instrument which comprises a light source module which is composed of a plurality of UVA, UVB and UVC band LED lamp beads capable of being independently controlled and arranged to form an area light source; the sensor module comprises ultraviolet sensors corresponding to three wave bands of UVA, UVB and UVC respectively and is used for detecting the ultraviolet light intensity of each wave band in real time; the human-computer interface is used for receiving a feedback signal of the sensor module; the ultraviolet cross-linking instrument effectively solves the problems that an existing ultraviolet cross-linking instrument adopts a plurality of ultraviolet lamp tubes to irradiate experimental materials in a cavity, a power control mode is that the lamp tubes are detached and replaced with lamp tubes with different light source wavelengths to irradiate in different wave bands, the lamp tubes are not surface light sources, the lamp tubes can cause uneven irradiation in the cavity, and the irradiation efficiency is low. The ultraviolet light intensity received by each area on the surface of the sample is inconsistent, so that the problem of experimental errors caused by non-uniform illumination can be solved.

The utility model discloses a temperature-controllable glue coating and scraping integrated device for an experiment. The temperature-controllable glue coating and scraping integrated device comprises a bottom plate, a movable plate, a driving mechanism and a heating assembly, a fixing plate is arranged on one surface of the bottom plate, a guide rod is arranged on one surface of the fixing plate, the axis direction of the guide rod is the same as the length direction of the bottom plate, a glue scraping plate and a mounting seat are movably arranged on a rod body of the guide rod, and vertical projections of the glue scraping plate and the mounting seat fall on the surface, provided with the fixing plate, of the bottom plate; the movable plate is movably connected to one end, deviating from the fixed plate, of the guide rod, and has a moving trend towards the direction of the fixed plate; the driving mechanism is arranged on the fixing plate and used for driving the glue scraping plate to move in the length direction of the bottom plate. And / or the heating assembly is arranged on the mounting seat and / or the surface, provided with the fixing plate, of the bottom plate. According to the sample preparation device, the fluidity of an adhesive sample can be continuously kept in the sample preparation process, the problems that the adhesive sample slips due to high viscosity and cannot be uniformly coated during sample preparation are solved, the sample preparation difficulty is effectively reduced, and the sample preparation efficiency is improved.

This invention discloses a QFN packaging device, comprising: a conveyor belt, a packaging plate, a pressure plate disposed on one side of the mounting unit and above the packaging plate, and a support plate disposed below the packaging plate. The pressure plate and the support plate are connected by a first cylinder. A welding unit is disposed on each side of the pressure plate. The two ends of the strip have bearing seats for rotating shafts, and the axis of the rollers is parallel to the axis of the rotating shaft. The welding unit further includes a welding gun, a first sliding frame, and a linear actuator. The first sliding frame further includes a fixing rod, a first threaded rod, and upper and lower distributed first and second limiting rods. The first threaded rod is located between the first and second limiting rods and the pressure plate. This QFN packaging device ensures consistent pressure between each pressure block and the chip, thereby improving the overall processing consistency.

The application discloses a power device packaging and attaching device, which comprises a conveying belt and a packaging plate, a limiting plate is arranged on the two sides of the conveying belt, a pressing plate is arranged on one side of the attaching unit and above the packaging plate, a supporting plate is arranged below the packaging plate, the pressing plate and the supporting plate are connected through a first air cylinder, a welding unit is arranged on the two sides of the pressing plate, a strip plate with a plurality of through holes is arranged between the pressing plate and the packaging plate, the pressing plate is fixedly connected with the strip plate, a plurality of pressing blocks with inserting rods on the top are arranged along the length direction of the strip plate, the upper end of the inserting rod is rotatably connected with a roller, the through hole and the inserting rod are slidably connected, and a buffer spring is arranged between the pressing block and the strip plate and is sleeved on the outer wall of the inserting rod. The application avoids the situation that the gap between the chip and the packaging plate is too large and leads to false welding, thereby improving the welding effect and ensuring the consistency of the pressure degree of the chip.

The invention provides a focusing and leveling sensor and an ambient light noise elimination method, which are applied to the technical field of semiconductor processing and manufacturing, and are characterized in that a light source emits parallel light, and the parallel light penetrates through a slit of a modulation slit plate to form a slit image; the projection lens assembly projects a slit image to the surface of the wafer; the detection lens assembly detects a slit image on the surface of the transmission wafer; detecting a part of slits of the slit plate to transmit the transmitted slit image as signal light; ambient light penetrates through a slit of the detection slit plate; a slit of the detection slit plate is arranged corresponding to the detector; the detectors corresponding to one part of slits of the detection slit plate receive ambient light and signal light, and the detectors corresponding to the other part of slits of the detection slit plate receive the ambient light. The detector without the signal light is used for ambient light detection, the detector with the signal light is used for defocusing amount detection of the corresponding position, the influence of the ambient light can be filtered out, and the system defocusing amount detection precision is effectively improved.

According to an embodiment of this utility model, a blood type card reader and a blood type analyzer are disclosed. The blood type card reader includes a base, a cover, a diffuser, a first light source, and an imaging module. The blood type analyzer includes a blood type card reader. The cover and the base together define an installation cavity. The diffuser divides the installation cavity into an imaging area and a light source area on opposite sides. The imaging area allows blood type cards to be inserted. The first light source is located in the light source area and emits light away from the base. The light emitted by the first light source first shines on the inner wall of the cover. After reflection by the cover and harmonization by the diffuser, the light entering the imaging area is more uniform and softer. Because the light is homogenized before entering the imaging area, the light intensity at different locations in the imaging area tends to be consistent. The imaging module uses the diffuser as a background to photograph the blood type card. The photographed image has uniform brightness and is clear, reducing the probability of image distortion and improving the accuracy of blood type identification.

The invention relates to the technical field of motors, in particular to a motor rotor assembling device and a motor rotor assembling method. The motor rotor assembling device comprises an installation assembly, a magnetic steel separation assembly, tool back iron and a back iron feeding assembly, the magnetic steel separation assembly comprises a bearing disc and a plurality of separation pieces arranged at intervals in the circumferential direction of the bearing disc, and the tool back iron is detachably installed at the end, extending out of the bearing disc, of the installation assembly; a plurality of avoiding penetrating holes are formed in the tool back iron at intervals in the circumferential direction of the tool back iron, each partition piece can penetrate through the corresponding avoiding penetrating hole, the tool back iron is used for adsorbing and fixing a plurality of pieces of magnetic steel, each piece of magnetic steel is located between every two adjacent partition pieces, back iron is detachably installed at the output end of the back iron feeding assembly, and the back iron feeding assembly drives the back iron to move. And the back iron is adhered to each magnetic steel. According to the motor rotor assembling device, the assembling efficiency of the motor rotor is improved, the assembling precision of the motor rotor is improved, and the flatness of each magnetic steel in the motor rotor is also ensured.

This patent application belongs to the field of automation equipment technology, specifically referring to an anti-jamming striking device and a submersible pump assembly equipment with the device, comprising: a main pressure cylinder; a main pressure head, driven by the main pressure cylinder, the main pressure head having a hollow axial cavity; a striking head, axially slidably disposed in the axial cavity, having a striking end that extends downward for striking the rotor end; a stroke rod, fixed to the striking head and radially penetrating the side wall of the main pressure head; a hook block, horizontally slidably disposed outside the main pressure head, a connecting guide rod fixed on the hook block, the other end of the connecting guide rod slidably connected to the lifting push block, the connecting guide rod having a front limit member and a rear limit member; this patent enables fully automatic striking action through the precise driving cooperation between the lifting push block, the hook block, and the stroke rod, replacing traditional manual striking, significantly improving assembly efficiency, and adapting to mass production scenarios.

The utility model relates to a blowpipe for forming an air curtain, and belongs to the technical field of devices for air curtains. A blowpipe for forming an air curtain comprises a blowpipe body provided with an air outlet, and is characterized in that a duckbilled structure is mounted on the pipe wall of the blowpipe body; the duckbilled structure comprises an upper plate, a lower plate, a front plate and sealing plates at the two ends, the upper plate, the lower plate and the front plate are spliced in a trapezoidal structure, and an air curtain air opening is formed in the front plate; flow guide plates are mounted at the splicing part of the upper plate and the front plate and the splicing part of the lower plate and the front plate; a wind shielding plate is arranged at the air outlet and located in the air blowing pipe body, and the wind shielding plate is fixed to the inner wall of the air blowing pipe body through a supporting plate. The blowpipe designed by the utility model has the advantages of stable strength of a formed air curtain and long distance.

The invention provides a detection device for a laser radar and the laser radar, and the detection device comprises a lens cone which is configured to accommodate a transmitting lens group and a receiving lens group, and the lens cone is made of plastic; the light emitter is configured to emit detection light, and the emission lens group is located on a light path of the detection light; the light receiver is configured to receive echo light after the detection light is reflected by a target object, and the receiving lens group is located on a light path of the echo light; and a driving circuit board, wherein the light emitter and the light receiver are both arranged on the driving circuit board. According to the detection device, on the premise that the heat dissipation requirement is met, the cost of the lens cone of the laser radar is reduced, batch production is easy, the product size consistency is better, and the weight is lighter.

The utility model discloses a drying device for cable production, and relates to the technical field of cable production. The device comprises a box body, a hot air drying assembly and a vibration dewatering assembly, a positioning frame is fixedly connected between the front side and the rear side of an inner cavity of the box body, the top of the positioning frame is communicated with a hot air conveying mechanism, and the hot air drying assembly comprises a rotating sleeve. Through the hot air drying assembly, hot air exhausted from the exhaust opening can continuously act on the surface of the cable in a multi-angle mode through rotating cooperation of the rotating sleeve and the exhaust pipe, water drops on the surface of the cable are rapidly dried through rotating airflow, the drying time is effectively shortened, and the hot air coverage range is enlarged; and meanwhile, the rotating mechanism drives the exhaust pipe to uniformly rotate, so that the hot air acting strength of different areas is consistent, local moisture residues are avoided, and the influence of the moisture residues on the subsequent processing steps of the cable is prevented.

The application discloses a kind of gas storage cavern sealing structure laying system, laying method and sealing assembly, system includes travelling main body;Inflating equipment, is fixed on travelling main body, to make sealing structure inflation;Conveying device, it is set on travelling main body, and located inflating equipment side;Spraying device, it is oppositely set with travelling main body, and is connected with conveying device, spraying device is used to spray adhesive medium to sealing structure;Piercing assembly, for annular structure, is connected to the end of travelling main body close to spraying device, for puncturing sealing structure;Pressing device, it is placed on travelling main body, and located inflating equipment and conveying device above, for after puncturing sealing structure pressing.It avoids the problem of uneven spraying thickness caused by manual operation difference, uniform distribution of adhesive medium, so that the sealing layer has consistent strength and sealing performance at different positions, improves the sealing quality, effectively prevents gas leakage, and guarantees the gas tightness of gas storage cavern.

This utility model discloses a multilayer FPC flexible circuit board toughness testing device, including a testing instrument body. A data control panel is fixedly connected to the lower front end of the testing instrument body. Stable support feet are fixedly connected to the four corners of the lower end of the testing instrument body. A lifting control frame is movably connected to the upper inner side of the testing instrument body. A turntable is movably connected to the lower inner side of the testing instrument body. Clamping control frames are positioned and installed at the lower end of the lifting control frame and the front end of the turntable. The multilayer FPC flexible circuit board toughness testing device of this utility model allows for clamping and positioning of circuit boards of different sizes by a clamping block at the lower end of the connecting plate in conjunction with a clamping block at the lower end of the clamping control frame. An anti-slip flexible pad on one side of the clamping block provides a certain degree of protection. Automatic adjustment allows for precise adjustment according to FPC flexible circuit boards of different sizes and thicknesses, thereby improving the accuracy and repeatability of the testing results.

The utility model relates to the technical field of battery cell processing, and provides an edge folding mechanism and battery cell film wrapping equipment, the edge folding mechanism is used for folding an insulating film located on the side face of a battery cell when the battery cell is wrapped with a film, the edge folding mechanism comprises a rack, a positioning part and an edge folding part, the positioning part and the edge folding part are arranged on the rack, the positioning part comprises a bearing table used for bearing the battery cell, and the edge folding part is arranged on the rack. The adjusting unit is used for adjusting the position of the battery cell on the bearing table, the edge folding part is provided with an arc-shaped surface which can abut against the battery cell, and the arc-shaped surface can roll along the side face of the battery cell so as to fold the insulating film. According to the edge folding mechanism disclosed by the utility model, an insulating film can be flattened on the side surface of a battery cell through rolling of the arc-shaped surface, so that the flatness of the insulating film coated on the surface of a battery shell is ensured.

This utility model discloses a cleaning tool for die-casting drying tunnels, including a conveyor belt with a drying chamber above it. The tool also includes a fixing mechanism located on the top of the conveyor belt near the drying chamber; a connecting mechanism located above the fixing mechanism; and a cleaning mechanism located on the side of the connecting mechanism. The fixing mechanism secures the entire cleaning tool. This utility model relates to the field of die-casting processing technology. This cleaning tool for die-casting drying tunnels automatically cleans the inner wall of the drying chamber through the cooperation of a fixing seat, a fixing rod, a hexagonal groove, and a fixing plate. This reduces manual intervention and ensures that the cleaning force and angle remain consistent during cleaning, avoiding over- or under-cleaning. This not only improves cleaning efficiency but also significantly enhances the uniformity and comprehensiveness of the cleaning.

The invention provides hollow fiber membrane module assembling equipment, and belongs to the technical field of production of hollow fiber membrane products. According to the structure of the equipment, a hollow fiber membrane cloth piece coiled material and a hollow fiber membrane assembly water distribution pipe are rotationally connected to a rack, hollow fiber membrane cloth pieces on the hollow fiber membrane cloth piece coiled material are unfolded into breadth and wound on the hollow fiber membrane assembly water distribution pipe, and a winding driving motor is arranged on the rack; the winding driving motor is in transmission connection with the hollow fiber membrane component water distribution pipe, two thread removing driving motors are installed on the rack, half shafts are connected to the thread removing driving motors, and the two half shafts are located above the two sides of the breadth respectively. The force acting on the hollow fiber membrane cloth piece from beginning to end is consistent, the conveying regularity is higher, the material loss is less, and the formed hollow fiber membrane assembly is more uniform and consistent. In addition, in the process of conveying the hollow fiber membrane cloth pieces, the procedures of thread removing and glue brushing are automatically completed, and the efficiency is remarkably improved.

The present application relates to the field of filling mold pressing process, and particularly relates to a cork special-shaped core mold pressing product filling mold pressing process, which comprises a blanking bin forming die, an A scraper, a B scraper, a C scraper, an upper forming die, a mold core and the following steps: the upper forming die is arranged in matching with the blanking bin forming die, and a filling groove is formed in the top of the blanking bin forming die; A scraping grooves are formed in the both sides of the bottom of the A scraper corresponding to the filling groove; B scraping grooves are formed in the both sides of the bottom of the B scraper corresponding to the filling groove, and B scraping grooves two are formed in the inner bottom wall of the B scraping grooves one; C scraping grooves are formed in the both sides of the bottom of the C scraper corresponding to the filling groove. The multiple groups of scrapers are arranged to scrape and fill the mold core in the scrapers, so that the filling is uniform, the density is uniform, the elasticity and strength are consistent, a piece of mold core is added in the inside to be pressed at the same time, the strength of the product after forming is strengthened due to the added mold core, and the product itself is more durable, and is not easy to break and break.

The utility model belongs to the technical field of fruit and vegetable shaping, and particularly relates to a fruit tree planting, shaping and pruning device which comprises a telescopic rod, a supporting assembly, a fixed blade, a movable blade, an adjusting assembly, a protection assembly, a guide assembly and a battery bin used for supplying power. The battery bin is detachably installed at the bottom end of the telescopic rod, the supporting assembly is arranged at the top end of the telescopic rod, the fixed blade and the movable blade are both arranged on the side, away from the telescopic rod, of the supporting assembly, the adjusting assembly is arranged on the supporting assembly and connected with the movable blade, and the guiding assembly is arranged on the movable blade and the fixed blade. The fruit tree pruning device is reasonable in design, improves the pruning efficiency and safety, greatly reduces the labor intensity of operators, has the advantages of being simple in structure, convenient to operate, carry and store and suitable for fruit trees of different heights and types, and has wide applicability and market potential.