5195results about How to "Easy to adjust" patented technology

The utility model provides a mattress frame taking mechanism, and belongs to the technical field of machinery. The problem that an existing mechanism is large in design difficulty is solved. The mattress frame taking mechanism comprises a rack and a grabbing assembly used for grabbing a frame. The rack is provided with a longitudinal beam and a lifting assembly used for driving the longitudinal beam to ascend and descend. A supporting frame is arranged between the longitudinal beam and the material grabbing assembly, and the material grabbing assembly is arranged on the supporting frame. The supporting frame is hinged to the lower end of the longitudinal beam, a driving mechanism enabling the supporting frame to swing in a reciprocating mode is arranged on the longitudinal beam, and the swing angle of the supporting frame ranges from 0 degree to 90 degrees so that the frame can be switched from the vertical state to the horizontal state. The mattress frame taking mechanism is low in design difficulty.

The invention relates to the technical field of virtual power plant resource configuration, and discloses a virtual power plant resource dynamic coordination configuration method and system, and the method comprises the following steps: collecting the operation data of various resources in a virtual power plant and the external power grid environment data in real time, and carrying out the dynamic coordination configuration of the resources based on the operation data; extracting operation characteristic parameters reflecting response speed differences of various resources; clustering analysis is carried out on the multiple resources to form resource clusters with different response speed levels, and the collaborative deployment demand intensity of the power grid in the current time period is evaluated; predicting a power grid load balance state in a future target time period, and determining the callable response capability of each resource cluster in the target time period; and carrying out multi-target optimization calculation meeting the stability constraint of the power grid, and generating a dynamic coordination configuration scheme of various resources in the target time period. According to the method, through the synergistic effect of multi-level technical characteristics, the matching problem between resource characteristic differences and dynamic requirements is fundamentally solved.

The invention relates to a method and device for measuring pitch deviation based on a line laser sensor, and the method comprises the following steps: S1, calibrating the position of the line laser sensor, and obtaining the coordinate value of a coordinate system of the line laser sensor in a measurement coordinate system; s2, installing a tested gear; s3, adjusting the relative position of the line laser sensor and the measured gear; selecting a measured position in the tooth surface area of the gear teeth of the measured gear, adjusting the position of the line laser sensor, and recording the sum of the offset of the adjusted line laser sensor relative to the center of the measured gear along the x axis and the y axis in the effective measurement range of the line laser sensor at the measured position; s4, performing zero returning operation on the angle sensor of the rotating shaft of the tested gear; and S5, controlling the detected gear to rotate along the center line of the detected gear. According to the method and the device, the pitch deviation can be measured in a non-contact mode, excessive calibration and leveling are not needed before detection, and the measurement efficiency and the measurement precision are both improved.

A double-grinding-head electric adjusting assembly comprises a base, an outer grinding head, an inner grinding head and a grinding head driving device, the outer grinding head and the inner grinding head are both arranged on the base, the grinding head driving device is used for driving the outer grinding head and the inner grinding head to rotate, and the inner grinding head is located on the inner side of the outer grinding head and is coaxial with the outer grinding head. The base is provided with a center shaft fixedly connected with the inner grinding head and an electric adjusting device used for adjusting the position of the inner grinding head, and the electric adjusting device is configured to be matched with the center shaft to drive the center shaft to move in the axial direction so that the inner grinding head can conduct axial position adjustment relative to the outer grinding head. The axial position of the inner grinding head can be adjusted according to actual machining requirements, and the inner grinding head can be conveniently and rapidly adjusted through the electric adjusting device.

The invention provides a vibration measurement device for motor equipment, and relates to the field of vibration measurement, and the device comprises a main body support frame, and the left and right sides of the top of the main body support frame are provided with self-locking worm gears A; a mounting angle adjusting shaft is rotationally mounted on the inner side of the main body supporting frame; self-locking worms A are arranged on the left side and the right side of the mounting angle adjusting shaft; the self-locking worm A is matched and connected with the self-locking worm gear A; guide pieces are arranged on the left side and the right side of the main body supporting frame. A mounting angle adjusting part is arranged in the middle of the mounting angle adjusting shaft; the vibration testing device can test vibration of motor equipment at different installation angles and output angles, the universality and accuracy of the vibration testing result of the device are improved, and the problem that the vibration amplitude of the motor equipment is affected to a certain extent due to installation modes at different angles is solved. And a vibration measurement result obtained by only testing plane installation does not have universality.

The utility model discloses a magnetic style shower head support and shower head subassembly, shower head support includes base and with base spherical hinge joint's movable seat, the base is equipped with the positioning structure that is used for the positioning installation shower head support, the movable seat is equipped with the magnetic structure. The magnetic attraction structure comprises a first magnetic attraction piece formed on the movable base and an annular body located on the periphery of the first magnetic attraction piece and arranged in a protruding mode, and a clamping ring is formed at the end of the annular body. An annular groove matched with the annular body during magnetic attraction and a second magnetic attraction piece located in the center of the annular groove and correspondingly matched with the first magnetic attraction piece are formed on the back face of the shower head. And a locking seat capable of moving and displacing in the radial direction is assembled on the annular groove. Compared with the prior art, the magnetic type shower head support and the shower head assembly are optimized in the aspects of using and adjusting performance, user experience is greatly improved, and a user can feel usability and senility of products at the same time.

The invention discloses an energy storage cluster auxiliary thermal power frequency modulation and peak regulation collaborative optimization method considering dynamic balance, and belongs to the technical field of power system operation and control. Comprising the following steps: constructing a double-layer collaborative optimization control model; comprising the following steps: an energy storage cooperative thermal power frequency modulation and peak regulation power distribution layer introduces a frequency modulation demand in a peak regulation process, designs a power distribution and frequency modulation distribution strategy for peak regulation and peak regulation stages, and completes thermal power-storage frequency modulation and peak regulation power distribution by constructing a thermal power-storage frequency modulation and peak regulation power optimization distribution model; the multi-type energy storage power station power distribution layer constructs a multi-type energy storage power station power optimization distribution model by adopting a dynamic equilibrium coefficient; obtaining an energy storage power station power distribution value and an SOC state through a target function of the multi-type energy storage power station power optimization distribution model; and performing optimization scheduling on the new energy power system based on the power distribution value of the energy storage power station and the SOC state. According to the invention, the balance control of the calling degree and the SOC of the multi-type energy storage power station is realized.

The invention relates to a direct current side coupling type super capacitor-battery hybrid energy storage system. According to the energy storage system, a super-capacitor module and a battery module are directly connected on the direct current side through a bidirectional DC / DC converter, the super-capacitor module is connected with a power grid through a current source type converter, the battery module is connected with the power grid through a voltage source type converter, and a modularized and extensible topological structure is formed. The system has multiple differentiated working modes, cooperative efficient operation of the super-capacitor and the battery can be achieved according to working conditions, high-frequency / short-time power is preferentially borne by the super-capacitor, and the battery is responsible for steady-state energy adjustment. And meanwhile, by virtue of the boosting capability of the current source type converter, the super capacitor can support the power grid in a short time and strong manner in a deep discharging manner. And the battery module charges the super capacitor module through the bidirectional DC / DC converter, so that the influence of frequent charging of the super capacitor on the grid-side electric energy quality is reduced. The method can effectively reduce the aging loss of the battery, improves the energy storage utilization efficiency and the power grid friendliness, assists the new energy consumption and the safe and stable operation of the power grid, and has economic and social benefits.

The invention relates to a multi-factor dynamic correction investment benefit intelligent evaluation system, in particular to the field of investment evaluation, and aims to capture macroscopic event and project risk index impact in real time and dynamically generate factor impact coefficients through an event-driven factor correction module, so that the response speed and sensitivity of a model to project sudden change are remarkably improved, and the evaluation efficiency is improved. The self-adaptive weight optimization module utilizes a deep reinforcement learning framework to continuously optimize factor weight distribution based on revenue after risk adjustment in a rolling time window so as to realize self-adaptive adjustment of an investment strategy and optimization of a revenue-risk ratio, and the abnormal conduction early warning module constructs a dynamic directed graph and combines a graph neural network technology to realize early warning of the abnormal conduction. According to the method, abnormal factor conduction paths can be perspectively recognized, systematic engineering risks can be effectively warned, a strategy execution module fuses weight optimization results and risk warning signals, rebalance is executed under the condition that investment cost and risk control constraints are strictly met, and finally a project configuration scheme giving consideration to revenue, robustness and real-time performance is generated.

The invention discloses an application of engineered citrobacter freundii in fermentation synthesis of a stable body. The engineered citrobacter freundii is citrobacter freundii overexpressing a polyphosphate kinase gene Ppk1. The stable body prepared by fermenting the engineered citrobacter freundii is rich in polyphosphates and polyamines, particularly, the content of the polyamines can be up to 21wt%, the polyphosphates in the stable body can store the polyamines in an ionic bond combination mode, the combined polyamines are insoluble in water, a natural anion coating is generated, and the stability of the stable body is improved. And the sustained-release tablet is not easily taken by intestinal epithelial cells, so that the sustained-release tablet has a certain sustained-release effect. The medicine prepared by taking the compound as a main active ingredient shows a remarkable curative effect in ulcerative colitis treatment, has the comprehensive effects of reducing oxidative stress, enhancing the anti-inflammatory ability of a body and regulating immunity, is suitable for patients of all ages, and has outstanding application value and market prospect.

The utility model discloses a wireless monitoring device for displacement monitoring, which relates to the technical field of wireless monitoring devices and comprises a wireless monitoring device body, a mounting seat, a laser transmitter and a standard platform, and the wireless monitoring device body is arranged at the top of the mounting seat. The detection reminding mechanism is matched with the adjusting moving mechanism to check the laser transmitter and the standard platform, a user can adjust conveniently, and the problems that an existing wireless monitoring device is affected by factors such as temperature fluctuation and environment interference, structural deviation is prone to being generated, monitoring data deviates, and the monitoring accuracy is poor are solved. The temperature, the strong wind load, the foundation settlement, the atmospheric turbulence interference and the like in the field complex environment can make the device displace or change the posture, the offset accumulation effect can reduce the measurement precision, a user is difficult to find the offset in time, and the wireless monitoring device can be directly pre-buried and installed, so that the wireless monitoring device cannot be damaged. Therefore, the problem of inconvenience in subsequent calibration of the wireless monitoring device is solved.

The utility model discloses a vertical header clamping conveying chain tensioning device and a corn harvester, and relates to the technical field of agricultural machinery, the vertical header clamping conveying chain tensioning device comprises a tensioning seat and a tensioning support which are located at the two ends of a conveying chain, the tensioning seat is fixedly connected with a driving chain wheel of the conveying chain, and the tensioning support is fixedly connected with a driven chain wheel; a pull rod capable of axially moving is connected between the tensioning seat and the tensioning support, a tensioning pressure spring is sleeved outside the pull rod, one end of the tensioning pressure spring is fixedly connected with the tensioning seat, and the other end of the tensioning pressure spring acts on the tensioning support; the tensioning pressure spring is arranged between the tensioning seat and the tensioning support to be matched with the pull rod, and the tensioning support can be driven by elastic force of the tensioning pressure spring when the conveying chain is loosened, so that a driven chain wheel of the conveying chain is adjusted in a self-adaptive mode, the conveying chain is in a tensioning state, conveying failure is avoided, and the service life of the conveying chain is prolonged. And the stability of the header of the harvester in operation is effectively improved.

The invention provides a real-time disaster situation multi-dimensional verification alarm method and system based on a large model, and relates to the technical field of disaster situation response, and the method comprises the steps: carrying out the backtracking and calling of multi-source disaster situation associated data after a disaster situation early warning signal is received, and obtaining a heterogeneous disaster situation data set; starting a dynamic task chain scheduling mechanism, executing multi-priority thread trend analysis, and outputting a multi-dimensional index analysis result; executing multi-dimensional index cross verification, and outputting a disaster verification conclusion; disaster decision making is carried out, and a disaster decision instruction is generated; carrying out township-level disaster situation grid positioning, and outputting a disaster boundary coordinate set; after the thermal rescue target spot is framed, geological disaster avoidance analysis is carried out, and a safety buffer area is positioned; and executing an alarm verification response. The technical problems that in the prior art, a disaster monitoring and early warning system mainly depends on a step-by-step reporting mechanism, so that disaster information transmission is lagged, accuracy is lost, and timeliness and accuracy of post-disaster rescue work are affected are solved.

The present application relates to a kind of user side heterogeneous energy electric carbon collaborative control method and device, and it is related to the technical field of user side energy management and control of integrated energy system.First, the method is characterized by energy grade classification to the user side heterogeneous energy unit in full working condition.Second, the electric-carbon dual-dimension operation demand and flexible adjustment potential of user side are analyzed.Then, a multi-objective optimization model considering electric-carbon collaboration is constructed and solved.The time-sharing scheduling instruction and interface control strategy are generated.Finally, the regulation and control are executed through the multi-port adaptation device, and the standardized access and electric-carbon collaborative optimization operation of user side multi-class energy are realized.The present application can be compatible with multi-voltage grade, heterogeneous response characteristic energy unit plug and play, effectively improve energy utilization efficiency, reduce energy cost and carbon emission, adapt to new power system and double carbon target management and control demand.

The present application relates to the technical field of spent fuel reprocessing, in particular to a 1AF metering tank gas damper adjusting device and method, the 1AF metering tank gas damper adjusting device comprising a fixed rack and a plurality of stirring mechanisms, the fixed rack being arranged directly above the 1AF metering tank, and the stirring mechanisms being movably arranged on one side of the fixed rack close to the 1AF metering tank. Through the adjustment of the fixed rack and the stirring mechanisms, the horizontal position and the vertical position of the stirring mechanisms can be quickly adjusted, and then the stirring effect of the gas damper in the 1AF metering tank with different number and arrangement position of the gas damper can be tested, so that the number and position arrangement of the gas damper in the 1AF metering tank can be confirmed and fixed, and the type, number and position arrangement of the stirring device in the 1AF metering tank with 1:1 scale of the commercial spent fuel reprocessing plant for the accurate metering of the 1AF liquid volume are provided with reference, the traditional fixed welding method is avoided, and the manpower, material resources and financial resources for the 1AF metering tank gas damper adjustment test are saved.

The invention relates to the technical field of internal combustion engine exhaust devices, in particular to an internal combustion engine exhaust pipe which comprises an exhaust tail pipe, a sealing plate, a sliding block, a transmission assembly and a limiting assembly are arranged on the exhaust tail pipe, and when a vehicle runs normally, the limiting assembly keeps the sealing plate in the state that the axis of the sealing plate is perpendicular to the rotation axis of the exhaust tail pipe; therefore, the blocking area of the sealing plate to the gas in the linear tail pipe is ensured to be at the minimum value, and the exhaust effect of the exhaust pipe is ensured; when a vehicle enters a road surface with accumulated water higher than the lower dead center of the sliding block, the sliding block moves up and down according to the height of the accumulated water on the road surface, limitation of the limiting assembly on the sealing plate is relieved when the sliding block moves upwards, and meanwhile up-down movement of the sliding block is converted into horizontal rotation of the sealing plate through the transmission assembly. When the vehicle flames out and the accumulated water on the road surface is higher than the lowest point in the linear tail pipe, the sealing plate completely seals the interior of the linear tail pipe, and it is guaranteed that the accumulated water on the road surface cannot continue to move forwards after reaching the linear tail pipe when the vehicle flames out due to wading.

The utility model discloses a gear box eccentricity adjusts the gap reduction drive mechanism belongs to gear box technical field, including the rotary table seat, the lateral surface fixed mounting of rotary table seat has the gear box, the surface fixed mounting of gear box has the drive motor and the speed reducer, the output shaft of drive motor is fixedly connected with the input shaft of speed reducer, rotates and is installed on the rotary table seat and has the rotary table board, is provided with transmission assembly no.

The utility model relates to indoor temperature control discloses a kind of indoor temperature control regulating system, for adjusting the indoor temperature of house, including temperature control equipment, multiple sets of coil, detection component and ceiling, ceiling is hoisted in the top of house, coil is laid above ceiling and below the floor of house, each coil is communicated with temperature control equipment by pipeline, detection component includes mounting bracket, motor, wire reel, hanging rope and cover body, mounting bracket is fixed on ceiling, motor is installed on mounting bracket, its output shaft is connected with wire reel, one end of hanging rope is connected with wire reel, other end is connected with cover body, motor is suitable for driving wire reel to rotate in positive and negative directions, to be able to through wire reel to retract hanging rope, the retracting of hanging rope makes that the height of cover body distance ground is dynamically adjustable, facilitate detection component can detect the temperature, humidity etc. various parameters of different height in house, improve the precision of parameter acquisition, it is favorable to the regulation and control of indoor temperature.

The utility model discloses a lighting electric appliance convenient to use, and relates to the technical field of lighting electric appliances, the lighting electric appliance comprises a lighting lamp, the lower end of the lighting lamp is provided with an adjusting mechanism, the adjusting mechanism comprises two connecting rings, and the connecting rings are connected to the lower end of the lighting lamp; a pipe head is connected between the two fixing rings; the connecting tightening latch is in threaded connection with the interior of the fixing ring, and the connecting tightening latch is rotationally connected with the interior of the connecting ring; and the transverse extrusion plate is connected to the outer end of the connecting tightening latch. The angle-adjustable illuminating lamp is reasonable in design structure, the angle of the illuminating lamp can be adjusted at will, the angle position of the illuminating lamp can be fixed by further rotating the connecting tightening latch and the rotating ring, it is ensured that the angle of the illuminating lamp is fixed in the using process, and compared with a traditional illuminating electric appliance, part of illuminating lamps can be adjusted at will, and the using cost is reduced. However, in the use process, angle deviation is easily generated due to external force, so that the use experience of a user is reduced.

The invention relates to the technical field of carbon emission prediction and early warning, and provides a multi-scale neural distribution prediction and hierarchical migration early warning method, which comprises the following steps: acquiring historical carbon emission data, respectively inputting a historical sequence and a to-be-predicted sequence into an energy consumption stochastic differential equation model and a carbon factor stochastic differential equation model, generating a multi-scale carbon emission path sample set through an independent random disturbance term; calculating a path-level suitability score of each path sample based on the standard-exceeding risk integral, the first standard-exceeding moment and the path fluctuation variance; layering the calibration data set into a plurality of working condition layers according to working condition labels, sharing distribution shape parameters among the working condition layers through a hierarchical Bayesian method, and regularizing quantiles of small sample working condition layers to obtain an early warning threshold value of each working condition layer; and selecting a corresponding early warning threshold value according to the current working condition label to compare and trigger early warning. According to the method, the accuracy of carbon emission distribution prediction and the robustness of an early warning system are improved, and the problem that the early warning threshold value is unstable under the small sample working condition is relieved.

The invention belongs to the technical field of helmet production, and discloses helmet shell strength testing equipment based on high-precision pressure sensing, which comprises a base, a sliding rail is fixedly connected to the outer wall of the top end of the base, a sliding block is slidably connected to the outer wall of the sliding rail, and the helmet shell strength testing equipment further comprises a fixing mechanism arranged on the outer wall of the sliding block through a rotating mechanism; the touch block is mounted on the outer wall of the top end of the base through a replacement mechanism; wherein the fixing mechanism comprises a fixing block, the inner wall of the fixing block is rotationally connected with a rotating disc, an inclined groove is formed in the outer wall of the rotating disc, the inner wall of the inclined groove is in contact with a moving rod, and high-precision pressure sensors are embedded in a touch block and the mold; through cooperation of structures such as the fixed block and the rotating disc, the rotating rod is rotated after limitation of the rotating rod is removed, and the movable rod and the clamping block can be driven to move towards the middle at the same time through cooperation of the inclined groove and the guide groove, so that the helmet below the mold can be conveniently and rapidly clamped and fixed, and operation is simple.

The utility model discloses an electronic ceramic tray assembly jig belongs to electronic ceramic tray production technical field, including base, the four corner position department of base all is equipped with the installation bolt, the upper surface welding of base has bottom shell, rotates and installs the pivot no.

The utility model discloses a small gear and rack focusing device with intubation interface, which is composed of a base, a focusing seat and a focusing cylinder. A through hole is arranged in the middle of the base, and a gear shaft passes through the through hole. A focusing hand wheel is arranged at the two ends of the gear shaft. The lower part of the focusing seat is connected with the base, and the focusing cylinder is arranged inside. Two tiles and a PTFE gasket are arranged on the contact surface between the upper part of the focusing seat and the focusing cylinder. The tiles are adjusted by limiting screws, and the PTFE gasket is adjusted by hand screws. A connecting thread and a C ring are arranged at the rear end of the focusing cylinder. The C ring is pressed by a knurled head screw. A rack is arranged at the lower part of the focusing cylinder, and the rack is matched with the gear shaft. The rear end of the focusing device can be connected by thread cooperation or directly inserted into the intubation. The user can conveniently adjust the small telescope by the hand wheel, and the experience is optimized.

The application provides a special-shaped part surface size defect detection device, and belongs to the technical field of industry detection. The device comprises a mounting mechanism, including a base, a motorized telescopic rod is arranged on one side of the base, a telescopic end is arranged on one end of the motorized telescopic rod, a lifting frame is fixed on one end of the telescopic end, and a detector is arranged on one side of the lifting frame. The motorized telescopic rod and the rotating connection support supported by the swing rod and the support frame can realize convenient adjustment of the detector on the clamping frame in terms of height, direction and position, and can conveniently adjust the direction of the detector during the surface detection of the special-shaped part, so that the problem that the detection efficiency is affected due to multiple positioning, calibration and adjustment is avoided. The camera can capture and detect the image of the special-shaped part surface, and can image the surface crack of the special-shaped part, so as to effectively ensure the efficiency and accuracy of the surface defect detection of the special-shaped part.

The utility model discloses motor rotor roller frame frock, include: base mechanism, support frame mechanism can be dismantled and set up on base mechanism, including two support frame components of opposite arrangement, drive wheel frame mechanism can be dismantled and installed on one support frame component, including two drive wheel frame components of symmetrical setting and with every drive wheel frame component connection's drive component, and drive wheel frame component includes two first support of symmetrical setting, by two first support rotation support's drive shaft and fixed on drive shaft's drive wheel, and drive shaft is with drive component transmission connection, driven wheel frame mechanism can be dismantled and set up on another support frame component, including two driven wheel frame components of symmetrical setting, and driven wheel frame component includes two second support of symmetrical setting, by two second support rotation support's driven shaft and fixed on driven shaft's driven wheel. The utility model provides motor rotor roller frame frock, and it is convenient to install and maintain, improves work efficiency.

The utility model relates to steel support technical field, and disclose a detachable combined steel support for tunnel construction, including support plate mechanism, still include: support mechanism and pressure regulating mechanism, the bottom of support plate mechanism and the top of pressure regulating mechanism swing joint, the bottom of pressure regulating mechanism and the top of support mechanism fixed connection, the utility model discloses through the support plate mechanism top close -fit in tunnel top, and make adjacent support plate main body splice together, place support mechanism in suitable position, and make splicing post align splicing seat, rotate threaded shaft and drive telescopic column along the inner wall of stand to move upwards through thread, make splicing post insert splicing seat inside, the top board is immobile, telescopic column continues to push base to move upwards, make pressure spring contract, and make pressure spring contract certain distance, produce constant pressure to the top board to the utility model discloses, thereby make support plate mechanism to the pressure of tunnel top in fixed value support, be favorable to the security of steel support.

The utility model belongs to the technical field of assembly type building construction, and particularly relates to an assembly type building hoisting device which comprises a supporting seat. A servo motor is fixedly connected to the bottom of the supporting seat, a straight shaft is fixedly connected to the top of the servo motor and rotationally connected with the supporting seat, a plurality of cables are fixedly connected to the outer side of the straight shaft, a plurality of through holes are formed in the outer side of the supporting seat, the cables are slidably connected with the through holes, and hoisting clamping blocks are fixedly connected to the ends of the through holes. A clamping groove is formed in one side of the hoisting clamping block, a rope is fixedly connected to the top of the hoisting clamping block, a hook is fixedly connected to one end of the rope, the supporting base is arranged to support the center of the assembly plate, the servo motor is used for adjusting a cable, assembly plates of different sizes can be conveniently matched for use, and rapid adjustment is achieved; and the use is flexible and convenient.

This utility model relates to the field of fertilizer application technology, providing a fertilizer application device capable of uniform fertilization. It includes a fertilizer spreader body, a fertilizer hopper, and a spreading box. The fertilizer hopper is mounted on the top of the fertilizer spreader body, and a spiral roller is installed inside the hopper. A motor is mounted on the top of the spiral roller. A discharge pipe is installed at the discharge port at the bottom of the fertilizer hopper, and a distributing roller is rotatably mounted inside the discharge pipe. A second motor is mounted on one side of the discharge pipe, and the shaft of the second motor is fixedly connected to the shaft on one side of the distributing roller. This utility model, through the cooperation of a side baffle and an angle adjustment mechanism, allows for flexible control of the fertilization range. The larger the outward opening angle of the side baffle, the wider the fertilization area; the smaller the inward angle, the more concentrated the fertilization area. Operators can conveniently adjust the angle of the side baffle according to actual needs such as crop planting row spacing, growth stage, and field terrain, ensuring precise matching of the fertilization range to agricultural production needs, significantly improving the adaptability and practicality of the device.