1584results about How to "Improve running stability" patented technology

The invention relates to the technical field of power distribution automation and intelligent power grid equipment, in particular to an FTU-based intelligent voltage regulation protection bypass cooperative control system, which comprises a state acquisition module, a state identification module, a self-adaptive disturbance judgment module, a voltage regulation cooperative module and a state reconstruction module, the system establishes an operation state vector model by synchronously sampling the voltage and current of a distribution line and the states of a circuit breaker and a bypass switch; judging line operation conditions according to vector state classification, and generating corresponding action priorities and time windows; unified scheduling and interlocking control are carried out on the voltage regulation unit, the protection unit and the bypass unit through the cooperative control execution module, and logic cooperation and state closed-loop updating of multiple control objects are achieved; according to the invention, time sequence coordination and intelligent linkage of voltage regulation, protection and bypass operation can be realized under complex working conditions, the voltage stability and the operation reliability of the distribution line are improved, the fault conflict probability is reduced, and the operation and maintenance intervention is reduced.

The invention provides a firmware online upgrading method, embedded equipment, a medium and a product, and relates to the technical field of intelligent terminals. The method comprises the following steps: after the embedded equipment is powered on, running a primary bootstrap program, and checking a first mark state: if the state is a state of updating a secondary bootstrap program, executing online updating of the program and resetting a system; and if the state is the default state, loading and running the secondary bootstrap program. Checking a second mark state; if the second mark state is an updating mirror image state, executing firmware mirror image online updating and resetting; and if the state is the default state, determining a target mirror image, copying the target mirror image from the nonvolatile memory to the random access memory, and skipping to run. And the equipment simultaneously monitors the running state of the target mirror image in real time, and executes successful confirmation or abnormal recovery operation according to the state. In this way, quick response of faults is achieved through running state feedback, the stability and reliability of firmware upgrading of the embedded device are effectively improved, and the risk of device paralysis in the upgrading process is reduced.

The invention provides a network construction type bidirectional low-harmonic energy storage converter based on virtual synchronous control and an intelligent load identification method thereof, and belongs to the field of power electronics. The converter comprises a power module and a control module, wherein the power module is used for bidirectional conversion and output of electric energy; the control module comprises a virtual synchronous control module and a harmonic suppression control module, and the virtual synchronous control module adopts a virtual synchronous generator technology to realize active / reactive power bidirectional adjustment during electric energy bidirectional conversion of the power module and network construction level voltage and frequency support during electric energy output; and the harmonic suppression module is provided with a parallel QPR controller group (comprising a first QPR controller, a second QPR controller and a third QPR controller) which are used for processing third-time, fifth-time and seventh-time characteristic harmonics respectively and suppressing the characteristic harmonics of the electric energy output side of the power module. According to the invention, the dual modules are arranged in the control module, so that the cooperation of a network construction function and low harmonic output is realized, and the electric energy quality and the system operation stability are effectively improved.

The invention discloses a wind and light storage cooperative control system based on source load matching. The system aligns a source load storage network and communication information and carries out credible evaluation; wind, light and load are predicted, and uncertainty levels are given; calculating a matching degree and a short plate hot spot, and combining network side hard constraints such as voltage, power flow and reverse transmission to obtain an acceptable boundary; when the matching is qualified and the complementary energy is still available, identifying the complementary energy / energy shortage and the reason, quickly checking the transferable margin and loss by the edge, generating a routing plan containing retention time and action budget, and scheduling the stored energy and the flexible load in a rolling manner; meanwhile, the risk budget and standby are written back according to feasibility, prediction uncertainty and communication quality, gray release and automatic rollback are achieved in cooperation with degradation and playback scoring, and consumption and traceability are improved.

The utility model discloses an egg conveying device, relates to egg conveying field, including frame, drive unit and N egg support, said frame includes feed box, discharge box and support base, the support base is fixedly equipped with two parallel vertical plate, the lower section of vertical plate is provided with two chute, the outside of chute is provided with L-shaped adjusting seat, and the L-shaped adjusting seat is provided with the feed box, discharge box and support base. The feeding box is connected with the henhouse egg belt, the discharging box is connected with the egg collecting conveying line, an integrated path of egg tray picking, continuous conveying and accurate discharging is constructed, 2-3 times of transfer links of traditional sectional conveying are reduced, on one hand, the occupied area of equipment is reduced, no additional connecting mechanism is needed, and the production cost is reduced. The installation and debugging complexity and fault points are reduced, and on the other hand, the collision risk caused by repeated transfer of eggs is avoided.

The invention discloses a method for optimizing key structure parameters of a deep well electric submersible pump based on performance simulation, and relates to the technical field of design optimization of electric submersible pumps, a three-dimensional geometric model of a deep well submersible centrifugal pump is built in advance, the three-dimensional geometric model comprises an impeller, a guide shell, a pump shaft, a pump shell, an upper connector, a lower connector and a full-flow-channel structure, and initial structure parameters are calibrated; and establishing a centrifugal pump simulation model based on a computational fluid dynamics technology, performing fluid domain extraction, grid division and grid independence verification on the three-dimensional geometric model, and setting fluid attributes, boundary conditions and a turbulence model. According to the method, a closed-loop iteration framework for simulation, optimization, evaluation and feedback is constructed by adopting a mode of coupling a computational fluid dynamics simulation technology and a genetic algorithm, the limitation of local parameter optimization in the prior art is broken through, systematic and collaborative optimization of key structure parameters of the submersible centrifugal pump is realized, and the method is suitable for large-scale popularization and application. And the efficiency of the optimization process and the final optimization effect are obviously improved.

The invention discloses a load-oriented self-adaption double-source waste heat mode switching control method, particularly relates to the technical field of industrial process control and waste heat comprehensive utilization, and aims to solve the problems that heat supply mode switching in an existing double-source waste heat system depends on artificial experience, waste heat supply cannot be matched in a self-adaption mode along with load change, and the working efficiency is low. The waste heat utilization rate is low, the heated load temperature fluctuation is large, and the operation stability is poor. A heat exchange topology model is established in a double-source waste heat system, a load heat demand track and a waste heat capacity fingerprint are synchronously constructed in a rolling time window, and a heat supply mode sequence is optimally selected by taking a load heat demand satisfaction degree, a waste heat utilization degree and a mode switching cost as indexes under an equipment operation constraint and a mode switching constraint. Therefore, the effects of automatically matching the heat load and the waste heat supply under the condition of dynamic change of the working condition and the load, giving consideration to temperature stability and efficient utilization of the waste heat, reducing manual adjustment and improving the system energy efficiency and the operation stability are achieved.

The invention provides a trajectory tracking control method and system for a high-load omni-directional AGV, the omni-directional AGV is driven by a plurality of steering wheel mechanisms which are independently steered and driven, and the trajectory tracking control method is characterized by comprising the following steps: acquiring vehicle state information and expected trajectory information of the omni-directional AGV in real time; on the basis of the vehicle state information and the expected track information, core parameters of a model prediction controller are optimized online through a chaos simulated annealing algorithm, and the core parameters comprise a state weight matrix, a control increment weight matrix, a prediction time domain and a control time domain; wherein the model prediction controller performs state prediction based on a longitudinal-transverse decoupling dynamic model adaptive to a high-load working condition; performing rolling horizon optimization through the model prediction controller by utilizing the optimized core parameters, and solving to obtain an optimal control increment; and converting the optimal control increment into a driving instruction for a multi-steering-wheel mechanism, and controlling the omnidirectional AGV to track an expected trajectory.

The invention relates to the technical field of X-ray tube manufacturing, in particular to an X-ray tube shell, a manufacturing method and an X-ray tube, the X-ray tube shell comprises a shell used for containing an anode target disc, a heat dissipation layer is attached to the inner wall of the shell, and the heat dissipation layer at least surrounds the periphery of the anode target disc; the heat dissipation layer is of an interpenetrating network structure formed by compounding functional metal and diamond, and the material of the functional metal at least comprises one of molybdenum and tungsten. Based on the device, the shell can absorb thermal radiation energy by using the high absorption characteristic of molybdenum or tungsten in an infrared band, and can quickly conduct heat out by means of the high thermal conductivity of diamond, so that the heat dissipation efficiency of the shell is improved, and heat accumulation is effectively prevented.

The invention discloses an IDC machine room fault point prediction method and system based on artificial intelligence and the Internet of Things, relates to the technical field of computers, and aims to solve the problems that hidden risks cannot be identified before temperature exceeds a limit, fault response is passive, and fault cause interpretation ability is lacked in the aspects of heat dissipation and airflow organization management of an existing IDC machine room. According to the method, data of a PDU, a UPS, an air conditioner, a temperature and humidity probe, a BMC, an entrance guard and the like are analyzed and standardized through data access of the Internet of Things, and a unified time axis is constructed to carry out quality marking and credible normal fragment screening; based on cabinet topology and an air supply partition map, effective air volume and theoretical temperature rise are estimated, a cabinet-level air supply temperature field is solved under anchoring constraint and spatial smooth constraint, and the short-circuit air return proportion and a vertical hot spot height section are further inverted; therefore, early prediction, accurate positioning and explainable output of fault points are realized, and the stability and the operation and maintenance efficiency of the machine room are improved.

The invention belongs to the technical field of new energy automobiles, particularly relates to a driving motor for a new energy automobile and a method thereof, and aims to solve the problems that in the prior art, a heat dissipation structure mostly adopts a single-direction blowing design, airflow coverage is uneven, wiring terminal protection mostly adopts an integral closed structure, wiring operation is tedious, and mistaken touch short circuit is likely to occur. According to the scheme, the motor comprises a heat dissipation cover and a motor body arranged in the heat dissipation cover, a motor front end cover is arranged on one side of the motor body, an output end is arranged in the middle of the side, away from the motor body, of the motor front end cover, and a wiring terminal is arranged on the side, away from the motor front end cover, of the motor body; the heat dissipation cavity is formed in the left side of the interior of the heat dissipation cover; according to the invention, heat dissipation airflow uniformly covers the motor main body, the problem of local overheating is solved, and wiring node loosening caused by automobile vibration or external force pulling is effectively avoided.

The invention relates to the technical field of industrial big data, in particular to an Internet of Things sensing and data monitoring integrated system, which comprises an Internet of Things sensing module used for acquiring a sensing parameter set of a distributed simulation unit of an intelligent power plant and a historical performance evolution trend reflecting a dynamic evolution rule; the twin mapping module is used for realizing signal space-time synchronization by utilizing a time service protocol, calling a multi-physics field evolution model to calculate thermal stress offset so as to execute numerical compensation, and generating a high-fidelity physical feature vector; the collaborative decision-making module shares observation information by using a multi-agent distributed collaborative architecture, identifies an electromagnetic-dynamic coupling response mode through a joint reward function and outputs a collaborative optimization strategy; and the execution module is used for generating an evaluation result by calculating the numerical deviation between the physical feature vector and the design envelope, and adjusting the excitation control variable according to a strategy until the system converges to a target equilibrium value. According to the method, the steady state monitoring of the power system is realized through twin mapping and collaborative decision.

This invention relates to the field of water storage tank operation and management technology, and particularly to an interactive control method and system for urban water storage tank operation and management. The method includes the following steps: acquiring the geometric structural parameters of the water storage tank; setting dynamic boundary parameters based on the geometric structural parameters; wherein the dynamic boundary parameters include a safe water storage upper limit, a recommended emptying water level, and a forced emptying water level; constructing a three-dimensional interactive visual interface containing spatiotemporal constraints based on the dynamic boundary parameters; and performing virtual execution verification in response to the input of interactive operating condition switching commands on the three-dimensional interactive visual interface. Once the virtual execution verification is successful, the equipment linkage pre-simulation sequence is converted into control commands and issued to realize the operation and management of the urban water storage tank. This invention, by constructing a three-dimensional water level dynamic boundary mapping and equipment linkage virtual pre-simulation mechanism, achieves intuitive perception of operating condition switching and water hammer safety verification, thereby solving the problems of difficulty in judging operation timing and the potential for misoperation.

This application discloses a five-roll embossing machine, including a machine body, an embossing assembly, a paper feeding assembly, a main drive assembly, and a pressing roller. The embossing assembly includes five embossing rollers, a pair of main gears, and a pair of positioning assemblies. The pair of main gears are rotatably mounted on both sides of the machine body and driven to rotate by the auxiliary drive assembly. Each embossing roller is provided with a quick-release assembly at both ends. The quick-release assembly includes a bearing groove, a toothed cover, several pressure covers, and a fastening assembly. The fastening assembly achieves simultaneous locking of all pressure covers and toothed covers by a single bolt operation through a linkage. The main drive assembly drives the working position embossing roller and the pressing roller to rotate synchronously. The positioning assembly performs precise circumferential positioning of the main gears. This invention solves the problems of cumbersome roller changing, long time consumption, and low positioning accuracy of existing embossing machines, realizes quick roller changing by a single person and seamless switching of five patterns, and greatly improves production efficiency and equipment versatility.

The utility model relates to the technical field of municipal engineering and robot technology intersection, especially a kind of self-propelled dredging robot of municipal sewer pipeline inner wall.The utility model provides a kind of self-propelled dredging robot of municipal sewer pipeline inner wall, including frame, track module and electric telescopic rod etc., two track modules are slidably installed in the left and right sides of frame, track module is all arranged obliquely, two electric telescopic rods are installed in the left and right sides of frame, and the telescopic end of electric telescopic rod is connected with the track module that is close to each other.The utility model provides walking power source by track module, significantly enhances the passing capacity of equipment whole, so that it can adapt to a variety of complex terrain environment in pipeline, simultaneously, under the assistance of supporting wheel and electric push rod, ensure that track is always close to inner wall, improve grip, and then effectively improve the operating stability and operation reliability of equipment.

The application discloses a network-constructed photovoltaic station precise active reserve control method and system, relates to the photovoltaic power generation and power system control technical field, and the method comprises the following steps: in the MPPT mode, a global iterative search is carried out on the power-voltage curve of the photovoltaic array by using an intelligent optimization algorithm, and the maximum power point of the photovoltaic array is located; whether the intelligent optimization algorithm converges to the maximum power point is judged by using a multi-index convergence monitoring condition, and the target reserve power is calculated in the case that the intelligent optimization algorithm has converged; the network-constructed photovoltaic station enters a weighted soft switching transition period, and the duty cycle is adjusted based on a dynamic weight; after the weighted soft switching transition period ends, the network-constructed photovoltaic station is switched to an active reserve mode, and in the case that the environment mutates, the network-constructed photovoltaic station is switched back to the MPPT mode. The application realizes precise reservation, stable tracking and fast frequency modulation response of the active reserve of the network-constructed photovoltaic unit.

The present application relates to the technical field of power distribution control, and particularly relates to a power intelligent dynamic distribution method for a skid steer loader based on multi-working condition identification. The method comprises the following steps: performing skid steer loader multi-modal operation characteristic analysis on power states of skid steer loader multi-source operation data to generate skid steer loader multi-modal operation characteristic data; performing skid steer loader working condition characteristic analysis on the skid steer loader multi-modal operation characteristic data to generate skid steer loader working condition characteristic data; performing power demand characteristic analysis on working condition dynamic change trends based on skid steer loader real-time operation data and the skid steer loader working condition characteristic data to generate working condition dynamic change trend power demand characteristic data; and performing skid steer loader power distribution and dynamic optimization processing based on the working condition dynamic change trend power demand characteristic data to generate skid steer loader power distribution dynamic optimization data. The present application realizes efficient and energy-saving intelligent distribution of power under multi-working conditions of a skid steer loader.

The utility model provides a linear electric push rod directly driven by a motor, which comprises a shell, a motor, a screw rod and a telescopic rod, the motor, the screw rod and the telescopic rod are coaxially arranged, and the output shaft of the motor and the near end of the screw rod are circumferentially fixed and axially limited through a rotation constraint structure; the near end of the telescopic rod is provided with an internal threaded hole, the internal threaded hole and external threads of the lead screw form a lead screw pair, the far end of the telescopic rod extends out of the shell and is provided with a second connecting piece, and when the motor directly drives the lead screw to rotate, the lead screw pair converts rotary motion into axial linear motion of the telescopic rod. The telescopic rod and a guide sliding groove in the inner wall of the shell form a sliding pair through an annular flange, and a limiting flange is further arranged at the far end to restrain radial displacement. The linear type electric push rod directly driven by the motor is compact in overall design structure and high in transmission efficiency, achieves high-precision linear motion through combination of direct drive and a lead screw pair, is suitable for connection of executing mechanisms needing stable push-pull force, and is wide in application scene.

The utility model relates to bag making machine technical field discloses a kind of non-woven fabric three-dimensional bag making machine with rubber sticking deviation correction, including bag making machine ontology, bag making machine ontology side is provided with support, support inside is provided with winding roller, support inner wall side is rotatably connected with limit roller one, support inner wall is rotatably connected with limit roller three close to limit roller one side, support inner wall is equipped with tensioning adjusting mechanism, support outer wall side is fixedly connected with mounting bracket, the mounting bracket inside is equipped with mounting mechanism.In the utility model, the basic tension is set by rotating screw one, and the dynamic tension fluctuation is absorbed by the buffer assembly composed of spring one. This static adjustment and dynamic buffering combination solves the wrinkle and deformation problem caused by uneven tension of the fabric, ensures constant conveying tension, and improves the finished product size precision and quality consistency.

The invention discloses a micro-grid stability enhancing method and system based on ocean energy, and relates to the technical field of micro-grids, and the method comprises the steps: carrying out the load prediction of a micro-grid according to a future time zone, and obtaining the load demand of the micro-grid; performing power generation characteristic prediction on the ocean energy power generation system to obtain an ocean energy power generation prediction map; performing multi-energy complementary scheduling on the ocean energy power generation system to obtain an ocean energy power generation strategy; according to the ocean energy power generation strategy, micro-grid stability is enhanced, and an optimized power generation strategy is obtained; and performing power supply management on the micro-grid according to the ocean energy power generation system based on the optimized power generation strategy. The technical problems that in the prior art, due to power generation intermittency and volatility when ocean energy is connected into the micro-grid, power of the micro-grid is unbalanced, and operation stability and power supply reliability are reduced are solved, and the purpose of optimizing the power supply reliability through prospective load and power generation prediction and multi-energy complementary optimization scheduling is achieved. The power fluctuation is effectively stabilized; and the power supply reliability and the operation stability of the micro-grid are improved.

The utility model relates to the technical field of spray drying equipment, in particular to an anti-stockpiling spray dryer which comprises a spray dryer body, a discharging assembly is arranged on the lower portion of the spray dryer body, the discharging assembly comprises a receiving hopper connected with the spray dryer body, a discharging channel is arranged on the lower portion of the receiving hopper, and the discharging channel is communicated with the discharging assembly. The anti-blocking device used for assisting in discharging is arranged in the discharging channel, materials in the discharging channel can be scattered through the anti-blocking device, the phenomenon that the materials are excessively stacked is avoided, and the operation stability and the production efficiency of the device are improved.

The utility model discloses a kind of liquid below pump of lengthened suction pipe, it includes: liquid below pump body, the pump head of the liquid below pump body is set in the highest liquid level specified in reservoir;Suction pipe, the suction pipe is detachably connected on the liquid below pump body, the water inlet is set below the lowest liquid level specified in reservoir, the suction pipe includes multiple suction pipe units, detachably connected between adjacent suction pipe units, two ends of the suction pipe unit are respectively provided with at least two lug plate, the lug plate is arranged on fixed component, the fixed component is connected on the liquid below pump body.The utility model compared with prior art by lengthening suction pipe, under the premise of meeting centrifugal type liquid below pump work needs, make the length of pump's support pipe, pump shaft, water outlet pipe as far as possible shorten, reduce cost, reduce the vibration of liquid below pump in work, enhance the working stability of liquid below pump.

The application discloses a data latch circuit and an integrated circuit comprising the same, which comprises a sampling module and a level conversion module, the sampling module comprising a data end, an enable end and a capacitor C2, the data end being used for receiving backup data, the enable end being used for receiving an enable signal, the sampling module being configured to selectively charge or discharge the capacitor C2 according to the backup data when the enable signal is at a high level, and cut off the charging and discharging path of the capacitor C2 when the enable signal is at a low level, and the level conversion module being used for converting the level state stored by the capacitor C2 into a standard digital level for reading by a digital processing module in a power supply module power-on stage. The data latch circuit utilizes the charge storage characteristics of the capacitor C2 itself, locks and keeps the data before power failure, and can directly read the backup data after the power supply is re-powered, so that the whole system can quickly recover to the stable working state before power failure.

This invention discloses a wastewater treatment device and method for all-cotton spunlace nonwoven fabric, relating to the field of wastewater treatment technology. The device includes a wastewater treatment tank, a collection tank, a drive structure, two sets of trajectory running structures, and a pusher block. This invention utilizes the coordinated action of the pulling and restraining units in the trajectory running structure to move the pusher block along a rectangular closed trajectory of backward, downward, forward, and upward movement, sequentially completing the functions of drainage, scraping and conveying impurities, and resetting after impurity removal. When the pusher block moves forward, it contacts the opening and closing structure, automatically opening the sealing door through the mechanical linkage of the contact plate, slide rod, connecting plate, guide plate, and connecting rod, and closing it as the pusher block resets. This eliminates the need for a separate power source or sensor for the sealing door, simplifying the device structure and reducing manufacturing costs and control complexity.

The utility model discloses a carbon fiber winding device, including cross -motion mechanism, winding mechanism, yarn spreading mechanism etc. The spacing roller of yarn spreading mechanism, deflection roller, flat roll cross -setting, cooperate cross -motion mechanism servo drive screw rod subassembly, realize different K number carbon silk multi -angle tension regulation and accurate flattening, evenly cover 100-500mm bobbin, and winding mechanism passes through the slidable upper slide and the winding shaft recess snap, and adapts to multi -specification bobbin, and yarn spreading roller subassembly matches different carbon silk technology. Servo motor drive, bearing low friction rotation and sensor stroke protection promote the stability of operation, and the clamping of silk piece subassembly, button board etc. Enhance the operation convenience and equipment rigidity. The device solves the problem of traditional equipment tension instability, poor versatility etc., reduces the scrap rate, and improves the winding efficiency, and is suitable for the precision production of high -end equipment manufacturing field high -performance carbon fiber.

The application relates to a motor rotor, comprising a rotor support and a plurality of magnet units, the rotor support comprising a support ring, the support ring having a first ring surface and a second ring surface in the thickness direction, the plurality of magnet units being arranged at intervals along the circumferential direction of the first ring surface, the first ring surface being provided with a first annular taper surface, each magnet unit having a first magnetic surface and a second magnetic surface in the thickness direction, the first magnetic surface being provided with a first magnetic taper surface, the first magnetic taper surface being matched with the first annular taper surface, wherein the thickness of the support ring at the first annular taper surface part gradually decreases in the direction from the ring center to the ring outer edge, and the thickness of the magnet unit at the first magnetic taper surface part gradually increases in the direction from the ring center to the ring outer edge. The application also relates to an axial motor. The use amount of permanent magnet material is reduced, and cost is saved.

The utility model relates to capsule medicine powder filling mechanism, its stock bin stirring filling device is installed on stock bin support swing arm, and the transmission connection between filling transmission mandrel and stirring transmission hollow shaft is by linkage part, and hollow support stand column is arranged on the mesa panel of frame, and hollow pivot connection configuration is in hollow support stand column, and power mandrel connection configuration is in hollow pivot, and the upper end of power mandrel is with the upper end transmission connection of filling transmission mandrel, and the lower end of power mandrel is with mandrel drive motor transmission connection, and stock bin support swing arm is connected in hollow pivot, and stock bin support swing arm is located the top of hollow support stand column, and the lower end of hollow pivot is with pivot drive part transmission connection. Hollow support stand column and other structures on the column are supported by the mesa panel of frame, and the load of stock bin support swing arm is relatively reduced, and operation is relatively more stable, and the support structure and power transmission structure help to promote the operation stability and service life of optimization filling mechanism.

This invention relates to the field of automated warehousing technology and discloses an automated storage and retrieval system (AS / RS) based on a heavy-duty stacking robot. A material storage area is located on one side of the material entry / exit area, and a preparation and charging area is located on the other side. An import / export docking area is located inside the material entry / exit area, and a lifting and transferring machine is also included within the import / export docking area. An automated storage and retrieval system with a three-dimensional racking mechanism is located inside the material storage area. This AS / RS based on a heavy-duty stacking robot, through its modular architecture and intelligent collaborative design, effectively solves the problems of low space utilization, high cost, and poor flexibility in traditional AS / RS. It achieves precise and efficient handling of heavy-duty goods, eliminates the need for dedicated tracks, reduces modification costs, and significantly improves the overall automation level, space utilization, and operational stability of warehousing operations. It caters to both new construction and renovation needs, providing enterprises with a low-cost, highly adaptable heavy-duty warehousing solution.

The technical scheme belongs to the field of cutting and slitting machines, and particularly relates to a cutting device of a cutting and winding machine, which comprises a rack, the rack is provided with a cutting mechanism, the cutting mechanism comprises a first knife roll and a second knife roll which are rotatably arranged relative to the rack, the two knife rolls are tangent and matched, and a paper material passes between the first knife roll and the second knife roll; the strip cutting driving part is used for driving the first knife roll to rotate so as to be matched with the second knife roll to cut the paper material into a plurality of material strips; the pressing adjusting assembly comprises an adjusting rod in threaded fit with the first knife roll, the adjusting rod rotates to drive the first knife roll to move relative to the second knife roll, the slitting driving part drives the first knife roll to rotate, and the paper material is continuously cut into material strips when passing through a channel formed by tangency of the first knife roll and the second knife roll; an adjusting rod of the pressing adjusting assembly accurately controls axial displacement of a first knife roll through thread transmission, stepless adjustment of a paper material channel is achieved, the cutting precision is kept, and the adaptability of paper materials of different thicknesses and the equipment maintenance efficiency are improved.