36results about How to "Avoid demand" patented technology

The utility model relates to a vehicle-mounted ceiling screen support assembly formed by punching a galvanized steel sheet, which comprises a fixed support, an overturning component, a supporting component and a spring bolt component, the fixed support is made of the galvanized steel sheet formed by punching, a reinforcing structure is formed on the surface of the fixed support, and a screw hole is formed on the surface of the fixed support; the overturning assembly and the supporting assembly are symmetrically arranged on the two opposite sides of the screen. A side opening clamping structure is arranged on a shell of the overturning assembly and a shell of the supporting assembly, a vibration isolation sleeve is embedded in the clamping structure, a center through hole is formed in the vibration isolation sleeve, the vibration isolation sleeve is fixed to the screw hole through a step screw, and the outer diameter of the step face of the step screw is in interference fit with the inner diameter of the center through hole of the vibration isolation sleeve. According to the vehicle-mounted ceiling screen support assembly formed by stamping the galvanized steel sheet, the galvanized steel sheet formed by stamping is adopted as a core structure, all the components are optimally designed, and the effects that cost is reduced, structural strength is improved, vibration isolation and assembly are simplified, and installation adaptability is enhanced are achieved.

This utility model relates to the field of mechanical parts processing technology, specifically a segmented guide hole ring die structure correction device, including a worktable. Several legs are installed at the bottom of the worktable. A first electric telescopic rod is installed in the middle of the lower surface of the worktable. A base is installed on the top of the first electric telescopic rod. A slot is formed on the top of the base, and a seat plate is engaged inside the slot. An extrusion column is installed on the top of the seat plate, and a ring die component is fitted onto the surface of the extrusion column. A mounting groove is formed at one end of the upper surface of the worktable, and a rotating groove is formed in the middle of the upper surface of the worktable. A motor is installed inside the mounting groove. The improved correction device can perform reciprocating correction operations at multiple angles, avoiding the tedious operation of manually adjusting the workpiece angle. It also allows for flexible replacement of correction tools, helping to adapt to workpieces of various specifications and improving the applicability of the equipment.

The application discloses an efficient and energy-saving indoor air environment optimization method and device, relates to the air conditioning technical field, and comprises the following steps: calculating an indoor-outdoor temperature difference sequence, deriving a first personnel oxygen consumption rate sequence and a second personnel oxygen consumption rate sequence, and calculating a comprehensive oxygen consumption rate sequence by weighting; predicting an oxygen consumption rate sequence in a future time window based on a current time period and the comprehensive oxygen consumption rate sequence; performing oxygen production unit working quantity optimization according to the predicted oxygen consumption rate sequence and a predicted indoor-outdoor temperature difference sequence in the future time window, outputting an optimal oxygen production unit working quantity sequence, and performing oxygen supply control on a split oxygen generator in the future time window. The technical problems that the prior art cannot predict indoor oxygen consumption changes in advance, the personnel oxygen consumption rate calculated by a single data source has low accuracy, and it is difficult to balance oxygen supply quality and energy saving are solved.

The application provides a device for rapid heat exchange based on heat conduction and medium phase change, which comprises at least one set of heat exchange components, a hydrogen heat exchange part, an air heat exchange part and an integrated device shell; the hydrogen heat exchange part is arranged in the integrated device shell along a first direction, the air heat exchange part is arranged in the integrated device shell along a second direction, the first direction intersects with the second direction; the hydrogen heat exchange part is located above the air heat exchange part, high-temperature gas after heat exchange of the air heat exchange part rises and exchanges heat with low-temperature hydrogen gas of the hydrogen heat exchange part above, low-temperature gas after heat exchange of the hydrogen heat exchange part descends based on gravity and exchanges heat with the air heat exchange part below again, and the air and the hydrogen are reciprocally circulated, high-temperature air is cooled, low-temperature hydrogen is heated, and rapid heat exchange is realized. The application effectively improves the integration degree of the whole machine, reduces the capacity of the cooling liquid in the heat management system, improves the response speed of the system temperature control, and improves the robustness of the heat management system.

The invention discloses a three-dimensional indoor positioning method based on visual sense and 5G sensing fusion, and relates to the technical field of indoor positioning and space perception. The method comprises the following steps: modeling an indoor reflecting surface to obtain a virtual anchor point; a user azimuth vector detected, identified and tracked by a camera target is projected to a scene reflection surface to construct a candidate reflection path and identify a direct incidence path, and the candidate reflection path and the direct incidence path are mapped to a beam codebook of a base station, so that a beam search range is narrowed, and a higher angle resolution is obtained; the user terminal establishes a communication link through the reference signal, and the base station acquires channel state information; in the channel parameter processing stage, angle and time delay estimation is carried out on channel parameters; an estimation result is matched with a direct or virtual anchor point path, and pseudo paths which do not conform to scene constraints are eliminated, so that a direct path and an effective reflection path are distinguished; the position of the user is jointly solved by using multi-angle constraints formed by the direct path and the reflection path, and continuous estimation of the three-dimensional position of the user is realized by combining a filter.

The invention discloses a distortion measurement method, head-mounted display equipment and a computer readable storage medium, and relates to the technical field of head-mounted display equipment, the method is applied to the head-mounted display equipment, and the method comprises the following steps: shooting a display image output by the head-mounted display equipment through a camera preset at an exit pupil frame of the head-mounted display equipment to obtain an exit pupil image corresponding to the display image, the display image comprises a plurality of sampling points, and the exit pupil image comprises a plurality of feature points; distortion simulation data corresponding to a product parameter design value of the head-mounted display device is obtained, and a first point location mapping relation between the sampling points and the feature points is determined in an auxiliary mode based on the distortion simulation data; and based on the first point location mapping relation, establishing a target distortion model of the head-mounted display device. According to the method, the accurate space corresponding relation between the display content and the real shot image can be efficiently and reliably established under the complex imaging conditions of strong distortion, low signal-to-noise ratio and the like, so that high-precision and high-robustness distortion model construction is realized.

This invention discloses a sewing machine thread handling device and sewing equipment, relating to the field of sewing equipment technology. To address the problems of functional dispersion, structural redundancy, and low space utilization in existing technologies where the thread clamping and thread end collection structures are inefficient, this device includes a needle plate, a thread gripping assembly, and a thread clamping and suction assembly. Both the thread gripping assembly and the thread clamping and suction assembly are located on the needle plate. The thread gripping assembly includes a thread gripping component, and the thread clamping and suction assembly includes a thread clamping part and a suction channel. The thread gripping component and the thread clamping part are arranged opposite to each other to form a thread clamping area for gripping the thread. The suction inlet of the suction channel faces the thread clamping area. This arrangement ensures effective thread clamping while simultaneously collecting thread ends, effectively reducing the number of functional components, simplifying the device structure, and improving space utilization. It also allows thread ends to be immediately sucked in after being removed from the clamp, reducing the risk of thread residue and accumulation, and improving thread end processing efficiency and equipment operational reliability.

The present disclosure discloses a Chinese webpage interest point retrieval method and device and electronic equipment, and relates to the technical field of neural networks and the technical field of cloud computing. The technical problem that in the model training process, only the pure text content of the webpage is pre-trained, the position structure information in the webpage data is ignored, and then the model learning representation is too single, which affects the accuracy of information extraction of the downstream task, is solved. The specific implementation scheme is: in response to the instruction of the user selecting the interest point, obtaining the target webpage data of the target webpage containing the interest point; inputting the target webpage data into the Chinese webpage pre-training model to obtain the target attribute information corresponding to the interest point; and displaying the target attribute information.

The application discloses a kind of customized training plan generation methods for operation and maintenance personnel based on performance prism, which comprises the following steps: collecting multi-source heterogeneous demand data of operation and maintenance personnel on multiple platforms, and combining Carnot model and importance performance analysis model for fusion processing, extracting key technology theme through cluster analysis, drawing core training intention and decomposing into key measurement indicators, collecting employee daily operation and maintenance behavior data and calculating ability membership degree vector, combining post demand information, calculating target ability information to be enhanced, generating training content using intelligent workflow engine according to target ability information and key measurement indicators, generating hybrid training plan combining online and offline according to employee historical schedule, issuing the plan to terminal and setting task reminders, which can ensure that training is executed on time, improve training coverage and completion rate, and realize the intelligentization, customization and high efficiency of operation and maintenance personnel training from demand analysis, capability assessment, content generation to plan execution.

The invention discloses smoke detector interface equipment compatible with multiple protocols. The interface device comprises a plurality of interface terminals, a protocol and interface conversion module, a switching assembly and a detection module. The plurality of interface terminals at least comprise a first interface terminal group for a first communication mode and a second interface terminal group for a second communication mode; and the protocol and interface conversion module is used for performing data interaction with an upper computer or a control host, and analyzing and converting data according to a plurality of preset communication protocols. And the switching assembly is arranged between the plurality of interface terminals and the protocol and interface conversion module, comprises a switching device with a common end and a normally open / normally closed end, and is used for switching an electric connection path between the first communication mode and the second communication mode. And the detection module is electrically connected with the plurality of interface terminals, and is used for sending a detection signal to the currently accessed smoke detector, detecting an interface type and / or a protocol type of the current smoke detector based on a feedback signal, and outputting a switching control signal to the switching assembly according to a detection result to realize automatic switching of interface channels. According to the invention, the smoke detectors with various interface forms and various communication protocols can be docked in the same equipment, automatic identification and adaptation of the interfaces and the protocols are realized, repeated development of hardware and software is reduced, field configuration is simplified, and universality and use flexibility of the system are improved.

The invention relates to a phoneme-based speech recognition method and device of a pronunciation-free dictionary, computer equipment and a storage medium. The method is applied to a server, a speech recognition framework is deployed in the server, the speech recognition framework comprises a phoneme recognition model, a phoneme-to-character conversion model and an auxiliary character-to-phoneme conversion model, and the method comprises the following steps: decoding speech information to be recognized based on the phoneme recognition model to generate a plurality of candidate phoneme sequences; decoding the plurality of candidate phoneme sequences based on a phoneme-word conversion model to generate a plurality of candidate text sequences; scoring the plurality of candidate text sequences according to an auxiliary character-to-pronunciation conversion model to obtain a speech recognition result; wherein the speech recognition framework is obtained by training an initial speech recognition framework based on a joint random approximation (JSA) algorithm in advance. And the accuracy of speech recognition is improved.

The utility model relates to the technical field of forging die, especially to a forming die of heat pipe support, including the upper die plate and lower die plate of each other corresponding cooperation, the one end of upper die plate faces the lower die plate and is equipped with male die part, the one end of lower die plate faces the upper die plate and is equipped with female die part, when forging and pressing form, male die part and female die part each other butt joint, make male die part insert female die part, form the forming area of heat pipe support, through specific spacing structure between the upper die plate and lower die plate keep the clearance of preset height in the side of female die part, thereby form the extension area, the extension piece of heat pipe support one side is forged and pressed and forms. Above all, the utility model discloses an innovative structure design, reduces the cost, promotes the efficiency, realizes the integrated precision forming of heat pipe support multi -position complex structure, and the product performance and production economy are improved significantly.

The invention provides a computing equipment control method and device, electronic equipment and a medium, and belongs to the technical field of computing equipment control. The method comprises the steps that a task real-time coefficient is determined based on a response requirement field of a target task; determining an average response time and a thread wakeup frequency based on the task behavior data of the target task, and calculating a task real-time score based on the average response time and the thread wakeup frequency; determining a dynamic task type of the target task based on the task real-time coefficient and the task real-time score; determining a target resource allocation strategy based on the dynamic task type and the task priority of the target task; selecting a target resource from the device hardware resource data of the computing device based on the resource demand information of the target task and a target resource allocation strategy; and scheduling a target resource of the computing device to enable the computing device to execute the target task through the target resource. The problems of unreasonable resource allocation and low resource utilization rate in the prior art can be solved.

This invention discloses a method and system for co-containment and dynamic monitoring of carbon dioxide in pressurized carbon-fixing backfilling in goaf areas. The method includes: constructing a functional backfill body at a predetermined location in the goaf area to form a sealed space; deploying internal sensors within the sealed space to monitor environmental parameters and CO₂ occurrence status; deploying boundary sensors in the collapse zone, fault zone, and flexural subsidence zone of the overlying strata, as well as on the outside of the functional backfill body, to monitor structural stability and carbon dioxide leakage in real time; performing backfilling construction of the pressurized carbon-fixing backfill body into the sealed space, and simultaneously injecting carbon dioxide gas into the sealed space; transmitting the data collected by the sensors to a processing terminal to calculate the real-time carbon fixation amount and carbon fixation rate of the mineralization reaction between the pressurized carbon-fixing backfill body and carbon dioxide. This invention ensures the long-term airtightness and stability of the sealed space.

The invention relates to the technical field of hybrid electric vehicle train energy management, and particularly discloses a self-adaptive weight dynamic planning hybrid electric vehicle train energy management method, which comprises the following steps: road network reconstruction: obtaining gradient information of a vehicle by using a terminal and a map of an Internet of Vehicles service system; calculating feasible regions: calculating the maximum acceleration and the minimum acceleration reached by the vehicles on each road section, and iterating to obtain the feasible regions of all the road sections in front; establishing a pre-planning cost function model: determining the vehicle speed as a dynamic planning algorithm state variable, and establishing the pre-planning cost function model; performing one-dimensional dynamic planning on the vehicle speed; optimizing by using a DP (Decentralized Performance) algorithm, namely performing iterative calculation in a speed feasible region by using a state transition equation; updating a self-adaptive weight and cost function; vehicle speed and SOC dynamic planning; vehicle speed planning and SOC execution are carried out, and optimal energy efficiency cruise control is carried out; the method is adaptive to the gradient working condition, multi-target performance is considered, the overall performance is improved through collaborative planning, and the driving smoothness and dynamic response consistency are improved.

The application discloses a multi-node data fusion power distribution overhead line insulation defect monitoring system and method, and relates to the technical field of power systems, comprising: a Rogowski coil 1, an electromagnetic induction coil 2, a voltage coupler 3, a low-power ARM processor 4, a signal processing circuit 5, an energy collection circuit 6, a low-power NB-IOT module 7 and a cloud platform 8. The application has the advantages that 1) a peak value holding circuit is used to perform frequency reduction processing on the partial discharge high-frequency signal generated by the insulation defect, thereby avoiding the need for an expensive and power-consuming high-speed data acquisition system; and 2) energy is obtained from the line through the electromagnetic induction coil and the energy collection circuit, and low-line current starting and low-power data acquisition processing are realized based on a low-power working strategy and low-power device selection, so that the monitoring system can be installed at any position of the overhead power distribution line and is not limited by external power supply and the size of the current in the line.

The utility model discloses a distillation system, including controller and the distillation reation kettle, first condenser, vacuum buffer tank, air pump, second condenser and gas collection tank that are connected in proper order in series, be equipped with first pressure sensor on the distillation reation kettle, and the connecting pipeline between distillation reation kettle and first condenser is equipped with first electric control valve, and the connecting pipeline between vacuum buffer tank and air pump is equipped with second electric control valve, and air pump includes first vacuum pump and second vacuum pump, and first vacuum pump is roots vacuum pump, and second vacuum pump is reciprocating vacuum pump, first pressure sensor, first electric control valve, second electric control valve, first vacuum pump and second vacuum pump all are electric connection with controller. The utility model embodiment can realize automation and optimize distillation condition.

The application relates to a slope protection gradient control device, and relates to the technical field of roadbed slope protection construction.The device comprises an angle steel, which is arranged on an existing retaining wall at the toe of a slope; a telescopic adjusting rod, which is arranged on the angle steel and can rotate in a vertical plane to control the gradient of the slope protection, and the included angle between the adjusting rod and the horizontal direction is equal to the gradient angle of the slope protection; and a slope protection formwork, which is fixed on the slope surface and is used in cooperation with the adjusting rod to limit the pouring range of the slope protection concrete. The device is fixed on the existing retaining wall through the angle steel, the structure of the retaining wall is fully utilized, and no additional supporting structure is needed; the gradient of the slope protection can be accurately controlled through the adjusting rod, the rigidity support of the adjusting rod and the slope protection formwork, and the included angle between the adjusting rod and the horizontal direction can be adjusted according to requirements to accurately control the slope gradient; the overall structure is simple and reliable, the device is convenient to install and disassemble, can be repeatedly used in different engineering projects, and the construction cost is reduced.

This utility model discloses a dual-polarized broadband base station antenna radiating unit, belonging to the field of broadband antenna technology. The dual-polarized broadband base station antenna radiating unit includes a metal reflector, a feed support, a radiator, and a feed conductor. The radiator includes four vibrating arms, each with a slot on its top surface and a trapezoidal slot on an adjacent side. The feed support has multiple mounting holes on its top surface, and the feed conductor is located inside these holes. A dielectric gasket is fixed to the outside of the feed conductor. This utility model is an integrated radiating unit, featuring high installation stability and good consistency in mass production. Its excellent cross-cutting ratio and port isolation characteristics, along with its 1700-2700MHz broadband characteristics, effectively address the current demand for broadband base station antennas, solving the problem that the relative bandwidth is still insufficient to meet the needs of existing ultra-wideband antennas.

The invention relates to the technical field of armored optical cable installation equipment, and discloses an armored optical cable clamping device and an optical cable clamping method.The armored optical cable clamping device comprises a device shell used for installing internal components, a clamping mechanism and a power block arranged on the side wall of the device shell in a sliding mode, and a first clamping plate is fixed to the outer wall of the power block; first sliding rods are symmetrically fixed to the inner walls of the upper side and the lower side in the device shell, sliding blocks are slidably arranged on the first sliding rods, and sliding plates, second moving plates, mounting plates, mounting rods, mounting plates and second clamping plates are arranged on the side walls of the sliding blocks through first supporting rods. The device is reasonable in design, the clamping mechanism can be driven to clamp and fix an armored optical cable without extra power, meanwhile, clamping and fixing of armored cables of different sizes can be better met, the applicability of the device is improved to a certain degree, and in addition, due to the arrangement of the locking mechanism, the clamping mechanism is convenient to use. Therefore, the clamping and fixing quality of the device on the armored optical cable is ensured.

The application discloses an operating tunnel steel lining ring reinforcing attached installation device, which comprises a track trolley, a track frame, a magnetic attraction assembly and a foot stop plate. The track frame is a modular support attached to a tunnel structure, the lower end of which is fixed to a tunnel bottom ring corbel, and the upper end is fixed to a tunnel top segment through fasteners to form a conveying guide rail for steel plates from the tunnel bottom to the top. The track trolley is movably arranged on the track frame and is used for carrying the steel plates to be installed. The magnetic attraction assembly and the foot stop plate are arranged on the track trolley and are used for cooperatively fixing and limiting the steel plates during transportation and installation. The application utilizes the cooperation of the track frame and the trolley to realize the upward lifting and guided movement of the steel plates, and has the advantages of simple structure, quick assembly, strong environmental adaptability, effective reduction of labor intensity and construction cost and the like.

The invention relates to the technical field of cardiac pressure model construction, and discloses an animal cardiac pressure load model construction device, which comprises a data acquisition planning module, a data processing module, a data processing module, a data processing module, a data processing module, a data processing module and a data processing module, wherein the data acquisition planning module acquires basic physiological data such as animal heart rate and blood pressure and plans cardiac pressure load parameters such as target pressure value; the control module deploys a biocompatible air bag with an annular bag body structure on the outer side below the aortic arch of the animal through a neck incision, drives the biocompatible air bag to be periodically inflated and deflated and responds to an adjustment instruction; the monitoring and adjusting module collects data such as cardiac pressure and ejection fraction in real time, and generates an adjusting instruction after comparing the data with planning parameters; and the management module terminates inflation and deflation after the experiment reaches the standard, dissects, acquires and numbers heart tissue samples, binds associated experiment data, and stores the data to form a data set. According to the invention, the accuracy and reliability of heart-related experiments are obviously improved, and comprehensive and associated experiment support is provided for subsequent research.

The utility model discloses a kind of radio frequency transceiving architecture and navigation equipment, it is related to radio frequency communication technical field, including array antenna module, radio frequency front-end Sip chip, transceiver chip and anti-interference baseband;Array antenna module is used to receive satellite navigation signal;Radio frequency front-end Sip chip integration finite amplifier, low-noise amplifier and acoustic surface filter, for processing satellite navigation signal to obtain pre-processing radio frequency signal;Transceiver chip integration has down-conversion module and up-conversion module;Down-conversion module converts pre-processing radio frequency signal into intermediate frequency signal;Anti-interference baseband is output to up-conversion module after intermediate frequency signal is handled by anti-interference algorithm;Up-conversion module converts intermediate frequency signal into radio frequency navigation signal and is output to navigation receiver.This scheme can solve the technical problems of numerous component models, high equipment cost, not conducive to miniaturization and light weight, high power consumption of existing navigation anti-interference equipment transceiving architecture.

This invention discloses a multi-level control mode adaptive switching method and system based on task constraints. For different task types, the remote control center issues different task type identifiers and corresponding task constraint strategy information. During the task initiation preparation phase and task execution, the nest-side edge computing controller continuously collects network, task, and UAV status data, dynamically determines the most suitable target control mode, and performs control handover, state synchronization, and instruction semantic level switching when the target control mode is inconsistent with the current control mode. This achieves coordinated and consistent adjustment of control mode, control ownership, task state machine, and instruction semantics. This invention improves the continuity, security, and stability of UAV system task execution under different network conditions and task constraints.

The application provides a deep-sea mining hydraulic lifting pipeline concentration monitoring method and system, and belongs to the field of deep-sea mineral resource development and detection. The application adopts indoor model experiment data and a small amount of field measurement data to construct a transfer learning neural network model, fuses a multi-scale convolution network, a multi-head attention mechanism and a transfer learning algorithm to form a full closed-loop system from indoor laboratory pre-training to deep-sea online precise concentration measurement, so that the purpose of significantly improving real-time monitoring accuracy is achieved. The deep-sea mining hydraulic lifting pipeline concentration monitoring system comprises a source domain data construction and model pre-training subsystem for constructing a land source domain data set and generating pre-training model parameters, and a target domain data acquisition and online transfer monitoring subsystem for acquiring deep-sea target domain data and loading pre-training parameters to perform online monitoring.

This invention discloses a solid waste treatment device for chemical safety, relating to the field of waste treatment technology. It includes a base plate and front, rear, left, and right plates forming a compression chamber. By incorporating inclined slide rails and a drive cylinder, the left plate works in conjunction with the front and rear plates to perform multi-directional compression, eliminating compression dead zones. Automatic reset is achieved with the help of connecting springs, solving the problems of poor unidirectional compression and easy interference in multi-directional drive. Its core lies in the integrated conversion mechanism between the drive cover plate and the mechanical claw. This mechanism, through the descent of a single longitudinal axis moving platform, sequentially closes the compression chamber with the cover plate and triggers a connecting rod to open the flap, rotating the drive plate to a horizontal position, allowing the mechanical claw to extend and grasp the waste. This invention achieves the switching between top sealing during compression and grasping during unloading with a single drive source, simplifying the equipment structure, reducing manufacturing costs, and achieving a high degree of integration of multi-directional, efficient compression and grasping functions.

The invention discloses a calibration device for metering of a digital meter, which belongs to the technical field of digital meter measurement and comprises a calibration source, a logic switch array and a control unit. The calibration source outputs multiple paths of electric signals containing resistance, voltage and current signals, an input interface of the logic switch array is electrically connected with an output port of the calibration source, multiple groups of channels of an output interface of the logic switch array are respectively connected with different digital multimeters, and the control unit controls channel switching of the logic switch array; a plurality of negative temperature coefficient thermistors which are connected in parallel can be arranged and are used for buffering protection of the current signal branch; the logic switch array is a small-size high-parameter relay group and adapts to the large-current output requirement through multi-channel parallel shunting. According to the invention, repeated manual plugging and wiring are not needed, automatic parallel calibration of a plurality of meters can be realized, the metering efficiency is remarkably improved on the premise of ensuring the calibration accuracy, the volume is compact, the portability is high, and the metering requirements of a plurality of meters on site can be effectively met.

The invention discloses a power system electromechanical transient partition equivalent simulation method and system considering equipment switching. The problems that in existing transient simulation, equipment action moment positioning precision is low, a model is complex, and simulation efficiency and precision are difficult to balance are solved. The method comprises the following steps: collecting discrete time step data and judging the action possibility, constructing a continuous function by adopting linear / segmented interpolation, iteratively positioning a switching moment through a dichotomy, and optimizing a simulation process in combination with a buffer Ward equivalence, a self-adaptive variable step size and a step size error correction strategy. The system is correspondingly provided with a cooperation module, and a whole-process closed loop of data processing, region division and equivalence, action detection and solution, and simulation control and correction is realized. The method has the advantages of improving the solving precision of the action moment, giving consideration to the simulation reliability, improving the credibility of the transient simulation result, and being suitable for action simulation scenes of new energy grid-connected equipment, energy storage equipment and the like.

The utility model relates to the technical field of agricultural facilities, and discloses a disease and pest trapping color plate angle adjusting frame which comprises a placing frame, a rotating mechanism is installed at the top of the outer wall of the placing frame and used for adjusting the angle of the placing frame, and a lifting mechanism is installed at the bottom of the outer wall of the placing frame and used for adjusting the angle of the placing frame. The lifting mechanism is used for lifting the placing rack; and the rotating mechanism comprises a plurality of connecting blocks, the connecting blocks are installed at the top of the outer wall of the containing frame, the inner walls of the connecting blocks are rotationally connected with transmission shafts, the right ends of the outer walls of the transmission shafts are fixedly connected with ratchet wheels, and worm wheels are installed on the right sides of the outer walls of the ratchet wheels. When the placing frame needs to return to the original position, the pawl is lifted, the placing frame rotates to the initial position under the action of gravity, the structure replaces a traditional elastic clamping pin, and the problems that after the elastic clamping pin is used for a long time, the elasticity is weakened, the locking force is insufficient, the angle of the color plate slides automatically, and then the catching efficiency of the trapping color plate is reduced are solved.

This utility model discloses an automatic coupling for a seamless pipe sizing machine, relating to the technical field of seamless pipe production equipment. It includes a spline head, with a reducer output shaft mounted at one end. The spline head and the reducer output shaft are connected by an interference fit heat fitting. This utility model reduces direct wear on the output shaft by using an interference fit heat fitting between the reducer output shaft and the spline head, avoiding the need to replace the reducer output shaft due to spline wear. This fundamentally eliminates the need to disassemble the entire reducer, significantly reducing maintenance difficulty. By adopting a split flange connection structure, when the spline head or inner spline sleeve wears, only the connecting bolts between the gland and the spline head need to be removed to replace the worn part, making maintenance convenient and significantly shortening downtime. The optimized coupling structure is simplified, improving fitting accuracy, and includes an elastic compensation structure to reduce impact wear, extend the overall service life of the coupling, and reduce equipment failure rate.