1017 results about "Motor power" patented technology

The invention belongs to the technical field of automatic control, and relates to a self-adaptive control method based on multi-physical modeling. According to the method, by collecting multi-source data of a controlled object, a thermal, electric and force coupling relation used for control analysis is established so as to describe dynamic responses under different operation conditions. And calculating stress, motor power, energy consumption and temperature rise change in the operation process based on a coupling relation to obtain system performance data, verifying stability and safety of different control parameter combinations in a simulation environment, and obtaining performance indexes including operation retardation risk, overload safety margin and safety response time limit. And according to a simulation result, under the condition of meeting safety constraints, taking energy consumption and temperature rise as optimization targets, adjusting control parameters, generating optimized control parameter configuration data, and feeding back the optimized control parameter configuration data to a control unit, so that closed-loop adaptive control and performance optimization are realized. According to the invention, through multi-physical coupling modeling and simulation optimization, the adaptability and reliability of the automatic control system are improved.

A concrete mortar mixing and stirring system belongs to the technical field of concrete production equipment. Aiming at the problems that an existing stirring system is difficult to accurately judge the mixing uniformity of concrete mortar and the quality is easily influenced due to excessive stirring or insufficient stirring, the system comprises a stirring tank, a vibration signal acquisition unit, a torque monitoring unit and a control unit, stirring blades in a stirring tank are driven by a motor, a vibration signal acquisition unit captures a tank body vibration signal, a torque monitoring unit detects the torque change of the motor, and a control unit decomposes the tank body vibration signal into a frequency domain signal and extracts a preset aggregate collision vibration frequency band energy value to generate a vibration energy sequence; and analyzing the torque change fluctuation intensity to generate a torque variation coefficient sequence, calculating a correlation coefficient sequence of the two, generating an adaptive shutdown threshold by a sliding time window, and cutting off a motor power supply when the correlation coefficient sequence is continuously lower than the threshold for a preset number of times. The device is mainly used for automatic stirring control of concrete mortar, and precise starting and stopping of the stirring process are achieved.

The invention discloses an energy management method and device for a trailer, a storage medium and a program product, and the method comprises the steps: dividing any historical route through which the trailer travels, and obtaining sub-road sections of the historical route; determining the optimal motor power of each sub-road section according to the historical driving parameters corresponding to the sub-road sections of the historical route; according to the optimal motor power of each sub-road section and the fixed energy requirement of the trailer, different battery electric quantities corresponding to the optimal motor power in the historical route are calculated, and the corresponding relation between the optimal motor power and the battery electric quantities serves as an energy management strategy of the historical route; wherein when the driving route of the trailer is the historical route, the energy output of a battery in the trailer is controlled according to the energy management strategy corresponding to the historical route. According to the technical scheme, the technical effects that energy management is conducted on the battery of the trailer, and the energy of the battery is reasonably distributed are achieved.

The invention provides a generator and battery power distribution method and device based on model prediction control, and belongs to the technical field of power distribution. The method provided by the invention comprises the following steps: loading a preset dynamic model library; generating and calibrating a total load power prediction sequence based on the flight plan and the rotor aerodynamic power model; calling the dynamic model library to predict and control the rolling optimization to output the optimal power instruction sequence of the generator; in the rolling optimization execution process, bus voltage dynamic characteristics are monitored in real time, a graded response mechanism is started based on a turboshaft engine dynamic model when load sudden change occurs, and the power of a generator and the power of a battery are adjusted; in the load abrupt change response process, rolling optimization is executed again based on the adjusted power and the corresponding system state, meanwhile, feed-forward compensation is carried out on the bus voltage deviation, and the voltage is controlled to be within a stable interval set by rolling optimization by adjusting the power of the generator; and circularly executing until the flight task is finished, and determining the generator power and the battery power.

A method of operating a washing machine appliance includes initiating a spin cycle by operating the motor to spin the wash basket to a first speed, performing a first acceleration by operating the motor to accelerate the wash basket from the first speed to a second speed, obtaining a first average motor power of the motor while performing the first acceleration, decelerating the wash basket to the first speed, performing a second acceleration by operating the motor to accelerate the wash basket from the first speed to the second speed, obtaining a second average motor power of the motor while performing the second acceleration, and stopping the spin cycle in response to determining that a reduction in a remaining moisture content exceeds a target reduction in the remaining moisture content based at least in part on the first average motor power and the second average motor power.

The invention provides a self-adaptive control method and system for a reciprocating cutting tool. The method comprises the steps that a working current signal of a driving motor, a reciprocating motion frequency signal of a saw blade and a three-axis vibration signal of the saw blade are collected in real time; calculating an average value component and a fluctuation peak value component of the working current signal, and calculating a vibration energy component of the three-axis vibration signal in the cutting direction; fusing the average value component, the fluctuation peak component and the vibration energy component in the cutting direction to generate a comprehensive load index of the current cutting period; jointly inputting the comprehensive load index, the frequency deviation and the change rate of the comprehensive load index into an adaptive strategy mapping model; a load control instruction is output, and the load control instruction comprises a feeding speed adjusting quantity, a motor power adjusting quantity and a torque curve adjusting parameter; and the feeding speed of the reciprocating cutting tool, the output power of the driving motor and the waveform characteristics of the instantaneous torque output curve of the driving motor in the single round-trip period are cooperatively adjusted according to the instruction.

The application provides a power assembly with reducer side wire outlet, a double-motor power assembly and an electric vehicle. The power assembly comprises an intermediate integrated shell, a resolver sensor, a motor and a reducer. The intermediate integrated shell comprises a partition plate and two circumferential shells. One circumferential shell is used for fixing a motor stator of the motor and accommodating a motor rotor of the motor, and comprises at least one through hole. The other circumferential shell is used for accommodating a gear set of the reducer. The partition plate is used for separating the inner cavities of the two circumferential shells. The partition plate comprises a shaft hole and at least one wire outlet hole. The shaft hole and the at least one wire outlet hole are used for connecting the inner cavities of the two circumferential shells. The shaft hole is coaxially arranged with an input shaft of the reducer or a motor shaft of the motor. The distance between the at least one wire outlet hole and the center point of the shaft hole is greater than the inner diameter of a resolver stator of the resolver sensor. The power assembly provided by the application has a smaller axial dimension.

The invention relates to the technical field of coal conveying safety monitoring, and discloses a method for detecting foreign matters on a coal conveying belt in a coal conveying system. The method comprises the steps that laser scanning point clouds and spectral imaging information are collected from multiple azimuth angles, a multi-dimensional light field model representing belt surface geometric topology and material reflection characteristics is established, and a driving motor power spectrum and a bearing vibration spectrum are synchronously obtained. And associating the multi-source information, carrying out three-dimensional dynamic reconstruction and material marking on the conveying load, and further separating out the non-coal geometry mixed in the coal flow. And performing spectral feature inversion and mechanical response simulation based on material physical attributes on the separated foreign matter geometry, and performing adaptive mode matching on the result and a non-coal substance standard feature library, thereby accurately identifying the foreign matter type and evaluating the confidence coefficient. And the mechanical arm at the designated position is triggered to execute end effector path planning according to the recognition result. According to the invention, accurate and robust detection and positioning of the foreign matters on the coal conveying belt are realized.

The invention relates to the technical field of motor stator heat dissipation, and discloses a stator heat dissipation structure and a motor. The stator heat dissipation structure comprises a stator iron core, the stator iron core is provided with heat dissipation grooves and a plurality of stator teeth, the heat dissipation grooves are located in the outer wall face of the stator iron core, and tooth grooves are formed between the adjacent stator teeth; the stator winding comprises a plurality of coils, the coils are wound on the stator teeth, and every two adjacent coils are arranged in one tooth groove at intervals; and the heat dissipation pipes are positioned between the two adjacent coils and in the heat dissipation grooves. Therefore, the structure of the stator core does not need to be obviously changed, and the stator core and the stator winding can be cooled at the same time. The heat dissipation capability of the motor is effectively improved, and the power output specification and reliability of the motor are improved.

A motor power source regulation circuit, a control method and an electronic device are provided. The motor power source regulation circuit includes a power factor correction circuit, an isolation circuit, a first power source conversion circuit, a second power source conversion circuit and a control circuit. The isolation circuit includes a first switch sub-circuit and an isolation transformer. The power factor correction circuit regulates an AC input signal to a first DC signal. The first switch sub-circuit converts the first DC signal to a first AC signal. The isolation transformer converts the first AC signal to two or more second AC signals. The first power source conversion circuit converts the second AC signal to a DC drive signal and outputs it to a DC motor. The second power source conversion circuit converts the second AC signal to an AC drive signal and outputs it to an AC motor.

The invention relates to a reciprocating type electric shaver with a self-cleaning function, and relates to the technical field of shavers, the reciprocating type electric shaver comprises a body, a tool bit system and a reciprocating type electric shaver of a driving motor, the reciprocating type electric shaver is further provided with a mechanical linkage type air pump module, the mechanical linkage type air pump module comprises a double-chamber air pump, and an air inlet one-way valve and an air outlet one-way valve are arranged on a piston. An air blowing channel and an air suction channel are communicated with the corresponding one-way valves respectively, an outlet and an inlet are communicated with the interior of the tool bit system, a dust collection bin with a filter screen is arranged on a path of the air suction channel, a driving rod transmits power of a driving motor to a piston through a T-shaped rocker arm and a power rod, and the T-shaped rocker arm, an air cylinder, the channel, the dust collection bin and other components are specifically arranged. According to the reciprocating type electric shaver, the technical effects that the reciprocating type electric shaver has the self-cleaning function, beard chippings in the shaver head system can be effectively cleaned, meanwhile, the structure is optimally designed, and the operation stability and the sealing performance are guaranteed are achieved.

The invention relates to a multi-motor load balance control method based on a normalized current average value, and the method comprises the following steps: S1, collecting an actual torque current feedback value and a corresponding rated current value of each loop motor, S2, carrying out the normalization processing of the current feedback values according to the rated value, and calculating a normalized current average value, s4, an extreme value search control algorithm framework is established, and a gain coefficient is optimized by using the framework; S5, gain adjustment is carried out on a deviation value; and S6, respective speed compensation is superposed to an original speed instruction to form a new target speed instruction, and the new target speed instruction is sent to a frequency converter, so that real-time closed-loop adjustment of the multi-motor load is realized. According to the scheme, real-time closed-loop coordination of the power of each motor in the multi-motor driving system is realized, and the operation consistency and robustness of the system are enhanced.

The invention provides a main and auxiliary motor switching control method and system for a dual-motor power system of a new energy commercial vehicle, and the method comprises the steps: S1, collecting the initial operation parameters of two motors when the vehicle is started; s2, respectively calculating initial weight coefficients of the two motors according to the initial operation parameters; s3, the initial weight coefficients of the two motors are compared, the motor with the large initial weight coefficient is selected as a main motor, and the other motor is selected as an auxiliary motor; s4, in the running process of the vehicle, real-time running parameters of the two motors are collected in real time, and real-time weight coefficients of the two motors are calculated according to the real-time running parameters; and S5, when the absolute value of the torque requested by the driver is smaller than a set threshold value or the actual torque distribution coefficient meets a preset relation, switching of the main motor and the auxiliary motor is triggered. According to the method, the key operation parameters are collected, the weight coefficient is calculated according to the key operation parameters, accurate control over the switching time of the main motor and the auxiliary motor is achieved, power distribution of the double motors is optimized, and it is ensured that the motors operate in the optimal load state.

The invention discloses a washing machine motor detection method, and relates to the field of electric digital data processing, and the method comprises the following steps: S1, collecting signals of a plurality of sensors when a motor operates; s2, performing feature extraction on the signal of each sensor by using a multi-head self-attention feature extraction module fused with a Transform block to obtain a feature vector reflecting the running state of the motor; s3, constructing a residual network classification model, inputting the extracted feature vector into the model, and outputting a prediction type of a motor fault; s4, based on a sample set training model composed of normal operation data and fault data of the washing machine motor, a cross entropy loss function quantification model is adopted to predict the difference between a fault type and an actual fault type; and S5, minimizing a loss function by adjusting model parameters until the model prediction precision reaches a preset standard, processing a real-time operation signal of the motor by using the trained model, and carrying out fault detection. The optimal sensor configuration and high-precision fault detection of the motor power system of the washing machine are realized.

Systems and methods provided herein relate to optimization of the motor of a pump system. Voltage-frequency ratios are adjusted while maintaining pumps speed in a systematic manner to lower power usage. Oscillations of the motor speed are detected, and voltage-frequency ratios adjusted to maintain low levels of oscillations while lowering power usage. Savings resulting in the optimization of the pump system are estimated.

The utility model discloses a boring and milling machine direct-connection grinding tool, which belongs to the technical field of grinding processing, and comprises a main handle, a first conical surface, a second conical surface, a third conical surface and a fourth conical surface, the grinding wheel is detachably installed at the other end of the main handle through a connecting assembly, and the grinding wheel and the main handle are coaxially arranged; the balance cover is coaxially mounted on the grinding wheel; the balance block is detachably installed on the balance cover, the general cutter handle structure is directly connected with a machine tool spindle, and compared with an existing grinding device driven by an external motor, the connecting mode is more convenient and faster. The machine tool spindle is used for direct driving, the problems that an existing external motor is small in power and low in grinding efficiency are solved, and the grinding efficiency is improved.

The invention belongs to the technical field of cabinets, and particularly relates to an electric lifter control system and method for a cabinet, and the system comprises a control panel, a lifting mechanism, a lifting motor, a load sensor, an encoder, a limiting sensor and a controller with a built-in fuzzy PI D module. The system comprises a control panel, a lifting mechanism, a motor, a load sensor, an encoder, a limiting sensor and a controller with a built-in fuzzy PI D module. Load, speed and limiting signals are collected in real time, a controller generates a closed-loop control signal containing a fuzzy PI D speed regulation instruction and a limiting stop instruction, and the motor power is dynamically regulated. The method is characterized in that the fuzzy PI D algorithm is adopted to optimize PI D parameters in real time, high-precision speed regulation (the position error is smaller than or equal to 0.5 mm, and the speed fluctuation is smaller than 3%) and rapid overload protection are achieved, the position memory and load self-adaption functions are achieved, the problem of unstable operation caused by load change is effectively solved, and safety and control precision are remarkably improved.

The application relates to the technical field of motor control, and discloses a low-voltage motor based on segmented threshold PWM control, which comprises a motor shell, a motor tail cover arranged at the tail of the motor shell, a control circuit board arranged at the middle of the motor tail cover, a device assembly arranged on the surface of the control circuit board, wherein the device assembly comprises a microcontroller arranged on the surface of the control circuit board, the microcontroller is internally provided with a control system, and the device assembly further comprises a PWM signal input unit, a power input and filtering unit, a voltage reduction and stabilization unit, a reverse electromotive force and voltage sampling unit, a motor power driving unit, a current sampling unit and a temperature detection unit arranged on the surface of the control circuit board. The application utilizes segmented threshold control, closed-loop speed regulation architecture and dynamic threshold reconstruction logic to realize shielding of instruction jitter and accurate speed regulation, and the current determination boundary is reconstructed in real time through the speed deviation and the running state, so that the transient response capability of the motor and the hardware safety and reliability under all working conditions are considered.

The utility model relates to the technical field of titanium tube internal defect detection, and discloses a novel flaw detection device for titanium tube internal defect detection, which comprises a support frame, a marking mechanism is arranged above the support frame, the marking mechanism comprises a moving frame, the outer surface of the moving frame is in sliding connection with the inner wall of the support frame, and the outer surface of the moving frame is in sliding connection with the inner wall of the support frame. The inner wall of the supporting frame is fixedly connected with a servo motor, the power output end of the servo motor is fixedly connected with a first screw rod, and the left end of the first screw rod is rotationally connected with the inner wall of the supporting frame. According to the novel flaw detection device for detecting the internal defects of the titanium tube, a multi-stage electric telescopic rod on the fixing frame can accurately control the height of a lifting plate, so that a marking pen can accurately reach a proper marking height, and meanwhile, the marking pen is fixed through two second screw rods and an extrusion block in a fixing cylinder; the stability of the marking pen in the marking process can be ensured, and by means of the marking mechanism, the flaw detection device can conveniently and rapidly mark the defective titanium tube.

The utility model discloses a semi-automatic straight pipe double-end spot welding machine, which relates to the technical field of spot welding machines and comprises a base, and a left terminal piece feeding mechanism and a right terminal piece feeding mechanism are arranged on two sides of the top of the base. A fixing piece direction rotating mechanism, a spot welding mechanism, a clamping mechanism, a two-color buzzer, a PLC microcomputer controller and a discharging mechanism are arranged in the center of the top of the base. According to the double-end spot welding machine, the servo motor power transmission component, the up-down air cylinder, the push-out air cylinder, the parallel opening and closing finger air cylinder, the fixed piece direction rotating component and the like are integrated, and automatic operation of a series of steps including heating pipe feeding, clamping, transferring, rotary centering, terminal piece processing, pushing, welding and the like is achieved. Compared with the prior art, manual participation links are greatly reduced, the requirement for the technical level of operators is lowered, basic operation can be conducted without technicians or operators, the range of the operators is expanded, and the training cost and the time cost are reduced.

The present application provides a bearing electric corrosion-resistant dual-motor power assembly and an electric vehicle. The power assembly comprises two drive motors arranged adjacent to each other. A housing of the power assembly comprises a middle partition plate, and each of two opposite end surfaces of the middle partition plate comprises a bearing groove and an oil guide structure. Each bearing groove is configured to fix a motor shaft of one drive motor by means of a motor bearing. Two ends of each oil guide structure are respectively configured to be fixedly connected to the groove bottom of one bearing groove and configured to extend into a shaft hole of one motor shaft in the axial direction of the power assembly and convey a cooling liquid or lubricating oil into said shaft hole. A gap exists between the outer peripheral surface of each oil guide structure and the inner peripheral surface of the shaft hole of one motor shaft and is configured to accommodate an annular conductive structure. Each conductive structure is configured to electrically connect one motor shaft and one oil guide structure. In the power assembly provided by the present application, the structure in which the middle partition plate supplies oil to the shaft holes of the motor shafts on two sides is used to conduct shaft currents to the housing for grounding so as to protect motor bearings.

The utility model discloses a volume flow adjusting device and an oil injection screw type air compressor comprising the volume flow adjusting device, the volume flow adjusting device comprises a male rotor, a female rotor, an outer shell and an adjusting check block, the male rotor and the female rotor are both rotatably connected in the outer shell, and the adjusting check block is arranged in the outer shell. The male rotor and the female rotor are arranged in the outer shell, the male rotor and the female rotor are meshed with each other and form an inter-tooth volume, and the adjusting check block is detachably connected to the inner wall face of the outer shell, located between the outer shell and the inter-tooth volume and used for sealing the inter-tooth volume. The adjusting check block is detachably connected to the inner wall face of the outer shell, the inter-tooth volume is sealed, the output volume flow is adjusted by changing the inter-tooth volume, and the purpose that operation does not exceed the motor power is achieved. The system is simple in structure and convenient to implement, can meet the use requirements of users in different altitude areas, greatly shortens the time for redesign and model selection, improves the use range and universality, and reduces the cost.

The eVTOL aircraft tail thrust motor connecting structure is characterized in that a motor support comprises a motor base of an annular structure, a motor is arranged on the motor base, and a propeller is arranged on the motor; the motor base comprises a first step, a second step is arranged at the front end of the first step, the thickness of the first step is larger than that of the second step, and a motor connecting edge connected with a motor is arranged at the rear end of the first step. Two receding grooves are formed in the inner wall of the motor base, a plurality of connecting ribs connected with the first step and the second step at the same time are arranged on the outer wall of the motor base, the rear half sections of the connecting stringers correspond to the connecting ribs in a one-to-one mode and are connected with the connecting ribs and the second step at the same time, and the front half sections of the connecting stringers are connected with a horizontal tail on the machine body. The invention has the beneficial effects of improving the damage safety, ensuring the stability of the thrust line, reducing the flight attitude fluctuation, reducing the maintenance cost, reducing the power loss of the motor, improving the cruising ability, reducing the stress of the connecting part, prolonging the service life of the structure and the like.

The utility model relates to the technical field of coal mining equipment, and discloses a mining horizontal loading coal bunker conveying belt driving device which comprises a support and a conveying belt arranged on the support, a bottom plate is arranged on one side of the support, a clamping oil cylinder and a pushing oil cylinder are arranged above the bottom plate, the clamping oil cylinder is used for clamping the conveying belt, and the pushing oil cylinder is used for pushing the conveying belt to move. The belt clamping oil cylinder is started to drive the lower belt clamping cross beam to move upwards so as to be close to the upper belt clamping cross beam, so that the lower belt face of the conveying belt can be clamped through the upper belt clamping cross beam and the lower belt clamping cross beam, then the pushing oil cylinder drives the upper belt clamping cross beam and the lower belt clamping cross beam to move rightwards, and the upper belt face of the conveying belt can be driven to move leftwards. Therefore, a power source of the whole driving mode is provided by the hydraulic pump station, the power of a driving motor of the pump station is greatly reduced compared with that of a driving motor of a conventional coal bunker, and great assistance is provided for reducing the operation cost of an enterprise.

This invention relates to the field of hydropower station equipment testing technology, and in particular provides a motion control system based on a programmable automation controller. The system includes a dual-motor drive module, a multi-axis transmission mechanism, and a closed-loop control core module. The dual-motor drive module consists of a rotary mechanism and a Z-axis lifting mechanism. The multi-axis transmission mechanism converts motor power into mechanical motion through a lead screw and nut pair and a gear and rack assembly, ensuring the rigidity and accuracy of power transmission. The closed-loop control core module uses a PAC ADVANCE controller as its core, integrating a Z-axis displacement sensor and a rotary axis angle encoder. It controls the dual motors through pulse direction signals and uses an electronic gear ratio configuration function to convert pulses into actual displacements. In the motion control of a hydropower turbine flow channel inspection robot, this system solves the problems of insufficient accuracy, low flow channel switching efficiency, and high safety risks.

The invention provides a method for detecting redundancies in an air bearing, which solves the technical problem that the existing dynamic pressure air bearing motor is lack of detection of the redundancies after the air bearing and the motor are assembled, firstly, particles and volatile substances on the surface of the air bearing are removed, and the detection accuracy of the internal redundancies can be improved. A power meter is adopted to measure the power of the motor, the time length is combined, the theoretical motor synchronization time and the minimum starting voltage are determined, the theoretical motor synchronization time and the minimum starting voltage are compared with the actually measured synchronization time and starting voltage, whether redundancy exists or not is determined, and the method is suitable for detecting the redundancy of various types of air bearings; according to the detection method, multiple positions of the bearing can be detected by rotating the output shaft of the motor, and the detection accuracy can be improved; and the method has the advantages of simple operation and wide application range.

The application discloses a wave generator flexible support structure of a rudder motor harmonic reducer, which comprises a flexible wheel output assembly and a wave generator assembly sleeved on the flexible wheel output assembly, wherein the diameter d of an output shaft at a wave generator assembly support position on the flexible wheel output assembly is D-(2-4)*delta; when the diameter of the output shaft at the wave generator assembly support position on the flexible wheel output assembly is greater than or equal to 10 mm, an annular groove is arranged at the center of the support position, and a rubber O-shaped sealing ring is arranged in the annular groove. A gap is kept between the output shaft and the wave generator, and the O-shaped sealing ring is in flexible contact, so that even if the output shaft is bent and deformed, the output shaft and the wave generator do not come into rigid contact, the bending deformation does not generate additional force on the wave generator, the flexible operation of the wave generator is ensured, and the rudder motor can normally work. The annular groove is arranged, the rigidity of the output shaft is weakened, the stress condition of a small bearing is greatly reduced, and the radial load of the small bearing can be reduced by 50%-70%. Under the same volume, weight and motor power, the bending moment bearing capacity is increased by 2-3 times.

The invention provides a drilling machine fault diagnosis, alarm and processing method and device.The method comprises the steps that operation data and logging data of a target drilling machine are obtained, and the operation data comprise at least one of motor torque, motor rotating speed, motor power and motor temperature; the logging data comprises at least one of bit pressure, rotating speed, pumping pressure, well depth and torque; performing timestamp alignment, data normalization, feature cleaning and missing compensation on the operation data and the logging data to construct a unified time sequence multi-modal feature set; and inputting the unified time sequence multi-modal feature set into a pre-trained large language model, performing anomaly diagnosis on the target drilling machine, and outputting an improvement suggestion. According to the scheme, the technical problem that existing drilling machine fault diagnosis is low in efficiency and accuracy is solved, and the technical effect of improving the accuracy, generalization and response speed of drilling machine fault diagnosis is achieved.

The utility model relates to the technical field of plastic product processing discloses a kind of plastic product surface anti-skid line embossing device, including main seat, the outer wall of main seat is fixedly connected with motor one, the output end of motor one is fixedly connected with driving roller, the inner wall of main seat is rotatably connected with worm and pivot, the outer wall of driving roller and worm is fixedly connected with sprocket, the outer wall of two sprockets is sleeved with chain, the outer wall of pivot is fixedly connected with worm wheel and turntable, the outer wall of turntable is fixedly connected with eccentric column, the outer wall of eccentric column is slidably connected with collar, the outside of main seat is provided with clamping assembly.In the utility model, driving roller is rotated by motor, drives conveying device to convey plastic product at the same time through the linkage of sprocket chain, worm wheel worm and eccentric wheel, uses motor power to drive embossing rod vertical reciprocating motion simultaneously, it can be automatically embossed anti-skid line effect on the surface of plastic product of different width.

Power tool (1), with a motor (5) with a speed of 40,000 revolutions per minute or more, in which The rotational speed of the motor (5) is slowed down by a first-stage deceleration mechanism (37, 45) and a second-stage deceleration mechanism (47, 51) so that rotations of the motor (5) are transmitted to a tip tool (4), a delay ratio of the delay mechanism (37, 45) of the first stage is greater than a delay ratio of the delay mechanism (47, 51) of the second stage, and the rotational speed of the tip tool (4) is within a range of 1,000 revolutions per minute to 15,000 revolutions per minute, the delay mechanism (37, 45) of the first stage comprises a first gear (37) which is provided on a rotating shaft (31) of the motor (5) and a second gear (45) which is provided on an intermediate shaft (41) and engages with the first gear (37), the delay mechanism (47, 51) of the second stage comprises a third gear (47) provided on the intermediate shaft (41) and a fourth gear (51) provided on an output shaft (48) and engaged with the third gear (47), the rotating shaft (31), the intermediate shaft (41) and the output shaft (48) are arranged parallel to each other, and the second gear (45) overlaps with the output shaft (48) when viewed along the axis of the output shaft (48).