383results about How to "Reduce tangling" patented technology

The invention relates to the technical field of planer type milling machines, and discloses a planer type milling machine with an air cooling mechanism, the planer type milling machine comprises a planer type milling machine, the top of the planer type milling machine is provided with a planer type cross beam, the outer wall of the planer type cross beam is slidably connected with a sliding seat, the surface of the sliding seat is provided with a ram, and the outer wall of the ram is fixedly connected with a mounting frame; the top of the mounting frame is fixedly connected with a driving motor; and a circumferential mechanism is arranged at the bottom of the mounting frame. According to the planer type milling machine with the air cooling mechanism, the circumferential mechanism is arranged, so that sprayed air rotationally blows towards a cutting tool bit, the sprayed air rotationally blows around the tool bit, chippings around the tool bit can be effectively helped to be removed, the chippings are pushed outwards through centrifugal force generated by rotating airflow, and the chippings can be effectively removed; by means of the design, it can be guaranteed that a cutting area is kept clean, the cutting efficiency is improved, and the situation that the cutting quality is reduced due to accumulation of the chippings is avoided.

The invention relates to the technical field of alloy materials, in particular to a high-strength alloy material based on a rail transit vehicle and a processing technology of the high-strength alloy material. Raw materials are smelted and cast to obtain a cast ingot; the cast ingot is sequentially subjected to solution treatment and aging treatment, and an alloy material is obtained; uniformly mixing the compound, mica powder, a curing agent and an epoxy diluent, adding epoxy resin, a defoaming agent and a flatting agent, and performing ultrasonic treatment to obtain a corrosion-resistant coating; the high-strength alloy material is obtained by sequentially grinding, polishing, cleaning and drying the surface of an alloy material, coating a corrosion-resistant coating, and curing to form a corrosion-resistant coating. The prepared high-strength alloy material has excellent mechanical properties, corrosion resistance and hydrophobicity, and is suitable for application requirements of rail transit vehicles.

The present application belongs to the field of medical polymer technology, and in particular, relates to a polyacid polymer hydrogel, and its preparation method and application. The polyacid polymer hydrogel involved in the present application mainly contains a polyacid polymer aqueous phase; the preparation method provided includes first dissolving a polycarboxylic acid polymer in an alkaline solution, then dripping a pH adjuster and stirring, and standing to obtain a polycarboxylic acid polymer hydrogel. Among them, after lowering the pH of the alkaline aqueous solution of the polycarboxylic acid polymer, the polycarboxylic acid chains are entangled during the standing process, and the interaction force between the polymer chains is enhanced to form a polycarboxylic acid polymer hydrogel. This type of hydrogel has a simple source of materials and an easy preparation method, which solves the technical problems that the preparation process of the existing polycarboxylic acid-containing polymer hydrogel is cumbersome, toxic reagents are required, and the product hydrogel lacks adhesion and self-healing.

The invention discloses a complex flow force mechanism quantitative analysis method oriented to body-fitted grid CFD calculation, and belongs to the technical field of fluid dynamics analys.The method comprises the steps that firstly, a complex flow aerodynamic load quantitative analysis expression based on Navier-Stokes equation weight function mapping is deduced; a vortex identification method based on threshold value self-adaption, a vortex segmentation method based on a local grid spacing self-adaption-variable density clustering algorithm and a vortex tracking method based on vortex structure position prediction matching are combined, and finally aerodynamic loads generated by induction of all vortex structures are obtained; and carrying out quantitative analysis on the stress mechanism of each local vortex structure oriented to the body-fitted grid CFD calculation result. According to the method, the defects that the vorticity moment theory and other existing complex flow lethal mechanism quantitative analysis methods are difficult to quantitatively analyze the lethal mechanism of a local vortex structure and cannot consider the object surface motion effect, the viscous effect in the pressure boundary, the friction effect and other factor lethal mechanisms are effectively overcome.

The invention relates to the technical field of robots, and provides a Robomaster multi-sensor fusion decision-making-based sentry robot which comprises a chassis, a holder, an actuator module, a sensing module, a lower computer and an upper computer. The lower computer comprises a receiving module, a decision module, a distribution module and a motion control module; the upper computer comprises a laser radar navigation module and an image recognition processing module; the decision-making module is used for performing corresponding processing on the received data fusion robot according to the situation faced by the robot; and the distribution module is used for directly sending the received sensing data of the sensing module and the data of the judgment system to the laser radar navigation module and the image recognition processing module. According to the scheme, through multi-sensor fusion and a low-computing-power control system, a complex environment can be sensed more comprehensively, low-delay image processing and path planning are achieved, multiple independent and mutually decoupled modules are integrated, and high expansibility and stability are achieved.

The invention provides a razor head with a 360-degree follow-up razor net and a shaver, the razor head with the 360-degree follow-up razor net comprises a combined razor net, the combined razor net is formed by connecting and assembling three or more razor nets, each razor net can float or tilt after being stressed, and the razor net on the inner side can float or tilt after being stressed along with the razor net on the adjacent outer side. According to the shaver, the shaver nets can float independently, can also float in a linkage mode, can flexibly rotate in all directions, can be tightly attached to the facial contours including the cheeks, the jaw, the neck and other parts, can easily adapt to different facial contours without moving the shaver body in a large range during shaving, and effectively improves the attaching degree and comfort degree of shaving.

The present invention belongs to the technical field of polyamide fibers, and specifically relates to a polyamide material for industrial silk, a preparation method thereof, and fibers. The modified polyamide provided by the present invention has a structure shown in Formula I: wherein Q is a semi-aromatic amide structural unit, R is a phosphorus-containing semi-aromatic amide structural unit, S is an aliphatic amide structural unit, and P is a polyamide structural unit; a is 3 to 6, b is 1 to 3, c is 2 to 5, and d is 110 to 240. The present invention introduces aromatic ring structure, phosphorus-containing group and flexible chain segment into polyamide molecular chain through copolymerization, utilizes rigid benzene ring structure and phosphorus-containing flame retardant structure to reduce hydrogen bonding between polyamide molecular chains, increases the proportion of amorphous region of modified polyamide, utilizes long-chain polyamide flexible chain segment to improve the softness and activity of modified polyamide, and at the same time, the side group phosphorus-containing aromatic ring structure also improves the flame retardant performance of modified polyamide.

The utility model discloses a PLC automation control cabinet with a flat cable positioning structure, the PLC automation control cabinet comprises a cabinet body, the outer surface of the lower end of the cabinet body is fixedly connected with a pedestal body, the interior of the cabinet body is fixedly connected with an internal element, the interior of the pedestal body is provided with a pedestal groove, a rotating disc is nested and connected on the pedestal body, and the rotating disc is fixedly connected with the pedestal groove. The lower end of the rotating disc is fixedly connected with a first threaded rod, a stabilizing mechanism is arranged between the first threaded rod and the base groove, the second threaded rod is connected to the cabinet body in a nested mode, the outer end of the second threaded rod is fixedly connected with a handle, and the second threaded rod is in threaded connection with a moving plate. A user can enable a flat cable to penetrate through the interior of an arc-shaped plate, at the moment, under the driving of the elastic acting force of a reset spring, a limiting plate drives a clamping plate to move through a driving rod till the clamping plate makes contact with the flat cable, the flat cable is positioned and clamped, and the possibility of winding of the flat cable is reduced to a certain degree.

Carbon black is added in the ethylene polymerization process, a carbon black modified polyethylene raw material is generated through in-situ polymerization, then a polyethylene base film is processed through a solid forming technology, and the anti-ultraviolet polyethylene high-strength film is prepared after the base film is subjected to super-drafting. The carbon black is added in situ in the ethylene monomer polymerization process, and the carbon black can be dispersed more uniformly in the polyethylene powder under the condition that the raw material preparation cost is not increased. Additional high-temperature melting and high-speed mixing processes are not needed, breakage of molecular chains is effectively avoided, the integrity of the polyethylene molecular chains is reserved to the maximum extent, and high strength of the polyethylene film is better achieved.

The invention provides a shaver head with a modular combined floating knife net and a shaver, the shaver head with the modular combined floating knife net comprises the modular combined knife net, the modular combined knife net is formed by connecting and assembling a plurality of mesh modules and a plurality of functional modules, each mesh module and each functional module can float or tilt under stress, and the modular combined knife net is arranged on the modular combined knife net. The mesh modules or function modules on the inner side can float or tilt along with the adjacent mesh modules or function modules on the outer side after being stressed, and each mesh module is provided with a movable cutter set. According to the modular design, mesh modules with different thicknesses and different groove types are formed, and functional modules with different functions can also be combined, such as an antibacterial module, a heating module, a cleaning module, a skin detection module and an odor module. Combination is carried out according to requirements, the requirements of different customers are met, the product development frequency and time can be reduced, the production efficiency is improved, and the cost is reduced.

The embodiment of the invention provides a carbon fiber pre-oxidation device and method, and belongs to the technical field of carbon fiber equipment. The carbon fiber pre-oxidation device comprises an oxidation furnace used for pre-oxidizing pre-oxidized fibers of carbon fibers; the traction machine is positioned at the inlet of the oxidation furnace and is used for pulling the pre-oxidized fiber into the oxidation furnace; the electrostatic elimination device is used for generating ionization airflow and blowing the ionization airflow to the surface of the pre-oxidized fiber; wherein the static electricity elimination device comprises a first static electricity eliminator and a second static electricity eliminator, the first static electricity eliminator is located at an outlet of the traction machine, and the second static electricity eliminator is located at an outlet of the oxidation furnace. The electrostatic effect in the carbon fiber pre-oxidation process can be solved, dispersion of pre-oxidized fibers is reduced, the consistency of the width of tows is kept, and the bundling performance of the tows is improved. The stability and safety of carbon fiber pre-oxidation operation can be improved, the discreteness of the strength of a carbon fiber finished product can be effectively reduced, and the quality of the carbon fiber is improved.

The invention belongs to the technical field of electrolytic hydrogen production, and particularly relates to a seawater in-situ hydrogen production method. According to the method, a phase change mass transfer tank is included and comprises a seawater area (1), a phase change mass transfer layer (2) and an electrolyte area (3); seawater is discharged from a seawater tank, sequentially passes through a prefilter, a first-stage heat exchanger and a second-stage heat exchanger, and enters the seawater area (1) for phase change mass transfer; electrolyte enters the electrolyte area (3) from the electrolyte mixing tank; the phase-change mass transfer is carried out at the phase-change mass transfer layer (2), and the phase-change mass transfer layer (2) is an IPN film; and discharging from the electrolyte area (3) to an electrolytic cell for electrolytic hydrogen production. The IPN membrane is prepared from polyvinyl alcohol and polyimide, and through a series of modification measures such as fluorination, it is ensured that the IPN membrane has high hydrophobicity and good water vapor permeability, so that the efficiency of electrolytic hydrogen production is improved; in addition, the IPN film is simple and convenient to prepare and operate and high in yield.

The knitting machine table comprises a knitting machine main body mechanism, and the knitting machine main body mechanism comprises a base, a supporting stand column, a middle large disc, a middle ejector rod, a top large disc, a top support, a silk feeding disc support, a rotating cylinder, a needle hanging groove, a self-positioning settling base, a hook-shaped closing needle and a cloth discharging rotating frame. The multiple sets of supporting stand columns are evenly and fixedly arranged on the base, the middle large disc is fixedly arranged on the supporting stand columns, the multiple sets of middle ejector rods are evenly and fixedly arranged on the middle large disc, the top large disc is fixedly arranged on the middle ejector rods, and the top large disc is fixedly arranged on the top large disc. According to the invention, the problem that a fabric has edge marks due to the fact that the roundness of a knitting needle is out of tolerance can be effectively reduced, and the problem that the maintenance difficulty is large due to rapid positioning and resetting in the disassembly and maintenance process is improved; the phenomenon of frequent shutdown time caused by yarn winding or breakage is reduced, and the production efficiency is improved.

The invention relates to the technical field of high polymer materials, and discloses polyester resin for a high-gloss powder coating and a preparation method of the polyester resin. The polyester resin for the high-gloss powder coating is prepared from the following preparation raw materials: aliphatic polyol, S (-)-1, 1-diphenyl-1, 2-propylene glycol and a first polyacid composition, the first polyacid composition includes biphenyl dicarboxylic acid and a bio-based dibasic acid. According to the polyester resin for the high-gloss powder coating, provided by the invention, S (-)-1, 1-diphenyl-1, 2-propylene glycol, diphenyldicarboxylic acid and bio-based binary acid are introduced into a main chain structure, so that winding of a molecular chain of the polyester resin can be reduced, and reflection of the polyester resin to light rays can be greatly improved; the powder coating prepared from the polyester resin can form a high-gloss coating, and has good storage stability and weather resistance; the use of bio-based dibasic acid can also reduce the dependence on traditional petrochemical-based raw materials.

The invention discloses a preparation method and application of a hyperbranched multi-arm star-shaped epoxy resin emulsifier, and relates to the field of waterborne epoxy emulsions. The preparation method of the hyperbranched multi-arm star-shaped epoxy resin emulsifier comprises the following steps: synthesizing a hyperbranched polyether hydrophobic core containing rich epoxy end groups from a polyhydroxy compound and a polyfunctional epoxy compound, and grafting methoxypolyethylene glycol to the hydrophobic core through hydroxyl epoxy-opening reaction. Compared with a traditional linear emulsifier, the hyperbranched emulsifier has the advantages that abundant active end groups can introduce a large number of hydrophilic chain segments to obtain better emulsifying capacity, sufficient reaction sites can be reserved to participate in curing of a system, and negative effects on a coating due to dissociation of the emulsifier are reduced.

The utility model relates to the technical field of ceramic tile detection, in particular to a ceramic tile glaze wear resistance detection device which comprises a box body, the outer surface of the box body is connected with a box door through a hinge, two electric pneumatic rods are fixedly mounted at the top of the box body, and a clamping plate is fixedly mounted at one end of each electric pneumatic rod. When the rotating column rotates to reduce winding of the rope, one side of the interior of the lever is slowly warped up through the gravity of the vertical rod and the other side of the interior of the lever, the descending position of the cylinder is controlled along with reverse rotation of the hand rocker, and when the cylinder descends to the needed position, the other worker starts the motor and the electronic timer at the same time, and then the cylinder is started. According to the method, the glaze surface of the ceramic tile is gradually polished, and after the glaze surface of the ceramic tile is polished, the wear resistance of the glaze surface of the ceramic tile is calculated, and the wear resistance of the glaze surface of the ceramic tile is detected, so that the detection modes of the ceramic tile are increased, the detection efficiency of the ceramic tile is improved, and the detection quality of the wear resistance of the ceramic tile is improved.

The invention discloses a polyvinylidene fluoride based dielectric composite material which comprises a polyvinylidene fluoride based polymer, a thermotropic liquid crystal polymer, modified molybdenum disulfide and maleic anhydride grafted modified polypropylene, and the thermotropic liquid crystal polymer comprises at least one of Xydar, Vectra, Ueno and Rodrn. According to the polyvinylidene fluoride-based dielectric composite material disclosed by the invention, the thermotropic liquid crystal polymer is introduced into the composite material and acts together with the polyvinylidene fluoride-based polymer, the maleic anhydride grafted modified polypropylene and the modified molybdenum disulfide in the composite material, so that the tensile strength and the processability of the composite material are improved; and the dielectric constant and dielectric strength of the composite material are improved, and the dielectric loss is reduced.

The utility model discloses a charging device, which comprises a shell, a wire spool and a charging assembly, and is characterized in that the shell is provided with an accommodating cavity and a wire outlet communicated with the accommodating cavity; the wire spool is located in the containing cavity and comprises a winding column rotationally connected with the shell. The charging assembly comprises a charging wire located in the containing cavity and a power connection plug located outside the shell, the first end of the charging wire penetrates through the wire outlet to be connected with the power connection plug, the second end of the charging wire is connected with the wrapping post, the charging wire comprises an insulating layer, a coil spring and a conductive wire body, and the conductive wire body and the coil spring are located in the insulating layer; and the coil spring is wound along the peripheral side of the winding post. According to the embodiment of the invention, the conductive wire body and the coil spring are combined into a whole, so that the conductive wire body and the coil spring can realize shaping and automatic winding during storage, and the conductive wire body and the coil spring are both arranged in the same insulating layer, so that the occupied space of the charging device can be reduced, and the size of the charging device is reduced.

The invention relates to the field of unmanned aerial vehicle operation platforms, in particular to a power transmission line unmanned aerial vehicle carrying operation platform which comprises a vehicle body, a mounting structure is arranged at the top of the vehicle body, and the mounting structure is used for hanging an unmanned aerial vehicle body on a power transmission line so as to operate the power transmission line; the hot melting mechanism is arranged at the top of the machine body and is used for performing hot melting treatment on foreign matters on the power transmission line; the bearing structure is arranged at the bottom of the machine body, and the bearing structure is used for bearing and fixing the electricity testing device; the device comprises a mounting hook, a suspension rope is connected to the mounting hook, a damping disc is installed on the suspension rope and movably arranged on the suspension rope in a penetrating mode, the bottom of the suspension rope is connected with a hollowed-out release box, and the hollowed-out release box is used for carrying and releasing a solid bird repellent. The integration of hanging, hot melting, electricity testing and bird repelling functions can meet various requirements of power transmission line maintenance, and has high practicability.

The utility model discloses an electric control dimming power supply mechanism and a dimming device, and belongs to the technical field of dimming devices. According to the electric control dimming power supply mechanism and the dimming device, when the electric control dimming piece moves along the preset direction, the sliding piece can slide on the guide piece along the second direction along with the electric control dimming piece, and the sliding piece is connected with the mounting section of the wire harness, so that the wire harness is driven to move on the guide piece along the second direction; the moving direction of the wire harness is controlled, and the risk that the wire harness is wound or interferes with parts of the wire harness can be reduced. Meanwhile, the sliding piece can slide along the first direction relative to the mounting part of the electric control dimming piece, so that when the second direction is not parallel to the preset direction, the sliding piece can still smoothly slide on the guide piece without the problem of clamping stagnation, the assembly convenience of the guide piece can be improved, and the universality of the electric control dimming power supply mechanism is further improved.

The invention relates to the technical field of atmospheric optical measurement, in particular to an atmospheric coherence length measuring device and method with a laser indication function, and the device comprises a telescopic module, a star guiding module, a laser star pointing module, a power supply communication module and a control module. The control module controls the laser star pointing module to carry out laser star pointing through the power supply communication module, so that the star pointing function is convenient to carry out; through laser indication of the laser star pointing module, star finding work can be better carried out, and long-time work can be carried out.

The invention relates to the technical field of clothing production leftover material recycling, in particular to a leftover material recycling device and method for clothing production, the leftover material recycling device comprises a recycling box, supporting legs are arranged on the two sides of the recycling box, and a feeding port is formed in the top of the recycling box; the crushing mechanism comprises a first motor arranged on one side of the recycling box, and the output end of the first motor is in transmission connection with a first gear. The sharpness of crushing blades can be switched according to the hardness of the cloth leftover materials of different batches, and the crushing blades can be kept in a relatively blunt state for the cloth leftover materials with low hardness; over-cutting is avoided, energy consumption and abrasion of the crushing blades are reduced, so that production efficiency is improved, the crushing blades can be automatically adjusted to a sharper state for cloth leftover materials with high hardness, effective cutting and crushing can be guaranteed, and the situation that crushing is incomplete or multiple times of crushing is needed due to the fact that the crushing blades are not sharp enough is avoided.

The utility model discloses a simulated fish scale magnetic soft bait which comprises a fish body, and an installation plate is arranged in the fish body. The hanging ring is connected with the mounting plate, and the hanging ring is used for hanging a fishhook; the plurality of fish scale convex blocks are arranged on the fish body, and a flow channel is formed between every two adjacent fish scale convex blocks; the magnet block is connected with the mounting plate, and the magnet block is used for adsorbing and fixing a fishhook. According to the bait, the magnet block is arranged on the belly of the fish body, the fishhook can be attracted and fixed through the magnet block, the fishhook is attached to the surface of the bionic fish body, swinging of the fishhook when the fishhook floats in water can be reduced, the possibility of winding of a fishing line is reduced, and the fishing efficiency is improved; the whole combination looks more vivid, the appearance and behaviors of real fishes are simulated, the attraction is increased, and the fishes can be hooked more easily.

The utility model discloses a sewage lifter capable of automatically releasing pressure, and relates to the technical field of sewage lifters. The device comprises a box body, a separation frame and a confluence cover are arranged in the box body, a rotating rod is rotationally matched in the separation frame and the confluence cover, a plurality of crushing rods are arranged on the periphery of the lower part, located in the confluence cover, of the rotating rod, and a motor matched with the rotating rod is arranged at the top of the box body; a cleaning assembly matched with the smashing rod is arranged at the bottom of the separating frame, a connecting rod is arranged at the bottom end of the rotating rod, an inclined rod matched with the inner wall of the confluence cover is arranged at the bottom end of the connecting rod, a water outlet pipe communicated with the confluence cover is arranged in the box body, and a sewage pump matched with the water outlet pipe is arranged at the bottom in the box body. Through the arrangement of the cleaning assembly, the rotating rod can drive the crushing rod to crush garbage in the confluence cover, and the cleaning assembly can clean the crushing rod, so that the condition that the crushing rod is wound by the garbage can be reduced, and the garbage crushing efficiency of the crushing rod is improved.

This utility model belongs to the field of valve block production technology, specifically a valve block processing and adjustment device, including a machine base; a frame is fixedly connected to the top of the machine base; a sand storage tank is fixedly connected to the top of the frame; multiple conveying pipes are fixedly connected to the bottom of the sand storage tank; the conveying pipes are located inside the frame; a spray gun is fixedly connected to the end of the conveying pipe; the spray gun is inclined; a conveying assembly is installed in the middle of the machine base; the transmission assembly is used to convey materials, and the conveying assembly includes a drive motor set, a perforated conveyor belt, and rollers; the drive motor set is fixedly connected to the side wall of the machine base; the rollers are mounted on the drive motor set and located between the machine bases; a perforated conveyor belt is installed on the rollers; by adjusting the distance between the spray gun and the valve block, the sandblasting diffusion range and impact force are controlled, thereby adapting to the processing requirements of valve blocks of different materials and increasing the adaptability of this device.

The invention relates to the technical field of water area treatment equipment, and particularly discloses aquatic plant treatment harvesting equipment based on aquatic plant balance water quality maintenance, the aquatic plant treatment harvesting equipment comprises a mounting frame, the outer end of the mounting frame is fixedly connected with a top ring, the bottom surface of the top ring is fixedly connected with six water level rods, and the six water level rods are arranged around the bottom surface of the top ring at fixed intervals; the bottom of the water level rod is fixedly connected with a top plate. A driving block is arranged to be in an inverted circular truncated cone shape, so that a suction force is generated on water in a connecting pipe when the driving block and a spiral plate rotate, the bottom of the connecting pipe generates a suction force on the water through a cutting cover, the water and aquatic plants are sucked into the connecting pipe, and at the moment, a cutting assembly is driven to rotate along with a driving rod; by means of the mode that the aquatic plants are sucked and stretched for cutting, unified harvesting treatment can be conducted on the long aquatic plants, and other aquatic plants in the ecological environment are prevented from being damaged.

The utility model provides an oil tanker tank washing oily water storage device which is applied to the field of oil tanker tank washing oily water storage and comprises a base, a tank body is fixedly arranged in a groove in the top of the base and divided into an upper layer and a lower layer, two stirring shafts are fixedly connected to the inner side of the upper layer of the tank body, and the outer ends of the stirring shafts are fixedly connected with a first paddle and a second paddle respectively. A water spraying pipe is fixedly connected to the lower end of the tank body; a water inlet is fixedly connected to the upper end of the tank body; a water outlet is fixedly connected to the right side of the tank body; a distribution plate is fixedly connected to the tank body; the stirring device and the filtering device are combined, so that synergistic interaction can be achieved, the treatment process is optimized, the resource utilization rate is increased, and the problems that a storage device cannot achieve integration of the stirring device and the filtering device, the treatment efficiency is low and energy consumption is difficult to reduce are solved.

The application relates to the technical field of lawn mowers, in particular to a cutterhead assembly and a lawn mower. The cutterhead of the cutterhead assembly is provided with a driving part, an annular supporting part and an annular mounting part from inside to outside, the supporting part is connected with the driving part in an inner ring and connected with the mounting part in an outer ring; the driving part is connected with a driving unit, the outer ring of the mounting part is provided with cutting blades, the supporting part is provided with one or more through holes, and when the cutterhead rotates, the air flow velocity on the side of the supporting part close to the ground is smaller than the air flow velocity on the side of the supporting part far from the ground. When the cutterhead rotates, the air flow velocity below is higher, an upper-lower pressure difference is formed according to the Bernoulli principle, a stable air flow from top to bottom is constructed, the upward movement of grass stems is blocked, and the broken grass stems entering the upper part of the cutterhead can be quickly discharged to the ground in cooperation with the through holes. The application effectively solves the problem of grass stem winding around the motor output end in the long-term use of the cutterhead of the lawn mower.

The invention relates to the technical field of mowers, in particular to an anti-jamming device for a mower, which comprises an outer shell, an equipment shell is fixedly connected to the outer wall of the top of the outer shell, a motor is arranged in the equipment shell, a main shaft is fixedly connected to the output end of the motor, and a mowing mechanism is arranged on the outer wall of the main shaft. An anti-locking mechanism is arranged above the mowing mechanism, the mowing mechanism comprises a shaft sleeve and a mounting frame, the inner ring wall of the shaft sleeve is fixedly connected with the lower portion of the outer wall of the main shaft, and a round hole is formed in the middle of the mounting frame. When the push plate is driven by the supporting frame to move in the protection shell, weeds cut off by the blade can be pushed out of the protection shell from the weed outlet, the situation that the rotation efficiency of the blade is affected by the weeds in the protection shell is avoided, correspondingly, the situation that the weeds are wound by the blade during working is reduced by pushing the weeds out of the protection shell, and the working efficiency of the blade is improved. And the working efficiency of the blade is further improved.