623results about How to "Guaranteed fluency" patented technology

The invention provides a real-time streaming media transmission method and system based on a cloud game and a storage medium, and the method comprises the steps: monitoring network state parameters in real time, and generating network state data; dynamically adjusting the resolution, the frame rate and the bit rate of the video stream based on the network state; a redundant data packet is inserted, and the redundancy proportion is adjusted according to the packet loss rate and the jitter, so that the data reliability is enhanced; dynamically adjusting the transmission rate by adopting a congestion control algorithm; dynamically selecting an optimal server node according to a network condition and a server load; audio and video processing tasks are shared through edge computing nodes, and the load and transmission delay of a main server are reduced; setting a self-adaptive decoding buffer area, dynamically adjusting the size of the buffer area according to a network state, and reducing playing lagging; through real-time monitoring, dynamic adjustment and edge collaboration, smoothness is guaranteed, reliability is improved, delay is reduced, efficient load distribution and user experience optimization are achieved, and the method is suitable for real-time streaming media transmission in a cloud game scene.

The invention belongs to the technical field of front-end development, and particularly relates to a React framework-based tree component optimization method fusing virtualization rendering and increment rendering. Comprising the steps of S1, data preprocessing; S2, dynamic virtualization rendering: dynamically calculating a node index range in a visible area according to a real-time scrolling position of a user viewport, only rendering nodes in the range, and realizing seamless lazy loading of data through scrolling event monitoring; s3, intelligent incremental updating: identifying changed nodes through a state change comparison algorithm, and executing local re-rendering only for the changed nodes based on a component life cycle control mechanism of a React framework; and S4, lazy loading cooperative control. The method aims at solving the problems in the aspects of performance, memory management, user experience and the like when a tree component in a React ecological system processes large-scale data, and is widely applied to various Web application program development scenes needing to display and operate a large-scale tree data structure.

The invention discloses a method for rendering a large-scale point cloud at a web end, and belongs to the technical field of large-scale point cloud rendering, and the method comprises the steps: S1, carrying out the data preprocessing of point cloud data, and carrying out the octree division of the whole point cloud; s2, on the basis of octree division, performing Lod hierarchical data division on leaf nodes of the whole octree; s3, data which needs to be rendered currently are screened out from the octree through view cone cutting; s4, high-level data and low-level data are separated from the screened data needing to be rendered, the low-level data are used for real-time rendering, and the high-level data are used for non-real-time rendering; and S5, combining the real-time rendering result and the non-real-time rendering result, and outputting all rendering results. According to the method, a similar double-buffer structure is used, and large-scale point clouds can be rendered in a real-time and non-real-time mixed mode at a web end.

The invention belongs to the technical field of resin processing, and particularly relates to a resin processing feeding device which comprises a feeding hopper and a conveying belt arranged below the feeding hopper. A feeding anti-blocking assembly is installed on the outer side of the feeding hopper and comprises a fixed supporting frame fixedly installed on the outer side of the bottom of the feeding hopper. The feeding hopper can vibrate in the feeding process, the vortex phenomenon of resin materials in a pipeline in the feeding process is avoided, the conveying pipeline is prevented from being blocked, the flowability of the resin materials is effectively improved, the resin materials in the feeding hopper can be spirally pushed and extruded, and the service life of the resin materials is prolonged. According to the feeding device, the resin materials can be smoothly and smoothly discharged from the discharging pipe at the bottom of the feeding hopper for feeding after being pressed, meanwhile, the inner wall of the discharging pipe can be conveniently cleaned, the phenomenon that the inner wall of the discharging pipe is blocked due to long-time use is prevented, and smooth feeding of the resin materials is guaranteed.

The invention, which relates to the technical field of digital information transmission, discloses an AI technology-based digital information transmission sharing operation and maintenance platform comprising a data acquisition module, an AI intelligent analysis module, a frequency spectrum dynamic allocation module, a data classification and transmission optimization module, and a storage adaptation module. According to the method, the spectrum resource utilization efficiency and the transmission stability are optimized, the platform can accurately master the spectrum use condition in real time through the AI real-time spectrum sensing and dynamic frequency allocation technology, the platform can quickly identify idle spectrums and dynamically allocate optimal frequencies for different services in the face of a complex and changeable wireless environment, spectrum congestion and interference are avoided, and the service quality of the system is improved. The fluency of bandwidth and time delay sensitive services is guaranteed, and the transmission interruption risk is reduced.

The invention belongs to the technical field of automatic wire unwinding and winding, and particularly relates to an automatic wire unwinding and winding device for garden construction measurement, which comprises an active wire unwinding and winding mechanism, a self-adaptive sliding type driving mechanism, a base fixing mechanism and an automatic opening and closing type unlocking mechanism, the self-adaptive sliding type driving mechanism is arranged at one end of the active wire unwinding and winding mechanism, and the base fixing mechanism is arranged at the other end of the active wire unwinding and winding mechanism; the active unwinding and winding mechanism is arranged on the base fixing mechanism, and the automatic opening and closing type unlocking mechanism is arranged on the side face of the active unwinding and winding mechanism. The invention creatively provides an ingenious structure that an active unwinding and winding mechanism and a self-adaptive sliding type driving mechanism are combined, and through the characteristic of one-way transmission of the winding ratchet wheel assembly and the first arc protrusion and the second arc protrusion which can generate elastic deformation, the winding ratchet wheel assembly can rotate; and during winding, relative rotation is generated between the flexible measuring tape and the multi-roller clamping assembly in a non-synchronous movement mode, so that friction force required by tensioning is provided.

The invention relates to the technical field of automatic feeding devices, and discloses an automatic feeding device for automobile brake disc surface nitriding treatment, the automatic feeding device comprises a surrounding plate, the left side of the surrounding plate is fixedly connected with a motor, the inner wall of the surrounding plate is rotatably connected with a transmission shaft, and the circumferential surface of the transmission shaft is in transmission connection with a conveying belt; the outer surface of the surrounding plate is fixedly connected with a workbench, the top of the workbench is provided with an electric push plate, the right side of the workbench is provided with a nitriding treatment machine, and the top of the surrounding plate is provided with an indirect discharging mechanism. The brake disc feeding device has the advantages that deviation during brake disc feeding is prevented, the feeding accuracy is improved, the working efficiency of equipment is enhanced, during transportation, a motor drives a first sliding plate to conduct indirect feeding, the risk of brake disc blockage is prevented, the service life of the equipment is prolonged, and follow-up machining is facilitated.

The invention discloses energy-saving high-pressure cleaning equipment for square and rectangular pipes, and relates to the technical field of high-pressure cleaning, the energy-saving high-pressure cleaning equipment comprises a main body frame, a cleaning module is mounted above the main body frame, a rotational flow collaborative cleaning mechanism is arranged in the cleaning module, and the rotational flow collaborative cleaning mechanism is used for changing a water flow mode to ensure internal and external water flow collaborative high-pressure cleaning; the introduced air conveying bin only surrounds the outmost periphery of the nozzle, air flow flows along spiral water flow on the outmost periphery of the nozzle after being discharged in a vertical flowing mode, through the design, the peripheral water flow obtains additional momentum under the action of wind power, and then the momentum is transmitted to the internal water flow through collision among fluid molecules; according to the process, redistribution of energy is achieved, energy of internal water flow is supplemented, and water flow impact force borne by the peripheral square and rectangular pipes and the internal square and rectangular pipes is more balanced through the effect of wind power on the peripheral water flow and transmission of the energy to the internal water flow.

The invention belongs to the technical field of data processing, and particularly relates to a batch flow integrated data processing system and method. The batch flow integrated data processing process is subjected to fine management and dynamic adjustment, the corresponding task execution mode is matched according to the characteristics and requirements of the original data, the resource allocation strategy is further optimized, the high efficiency and real-time performance of data processing are ensured, and the real-time performance of the batch flow integrated data processing process is improved. And meanwhile, the batch processing data and the stream processing data in the task execution process can be intelligently allocated, and the execution resource quota can be adjusted, so that the fluency of the batch processing data and the stream processing data in parallel processing is ensured, and efficient coordination of the batch processing data and the stream processing data in resource utilization is realized.

The invention discloses efficient photovoltaic frame aluminum turnover equipment, and relates to the technical field of aluminum turnover, the efficient photovoltaic frame aluminum turnover equipment comprises a bedplate, four transverse sliding rails are fixedly connected to the top surface of the bedplate, every two transverse sliding rails form a group, a sliding table is slidably connected to the upper portion of each group of transverse sliding rails, the sliding tables are fixedly connected with a supporting frame, and the supporting frame is fixedly connected with a base; the side face of the supporting frame is fixedly connected with side vertical rails, the side, away from the supporting frame, of each side vertical rail is slidably connected with a vertical supporting sliding plate, the middle of each vertical supporting sliding plate is rotatably connected with a rotating shaft, one end of each rotating shaft is provided with a servo motor, and the other end of each rotating shaft is fixedly connected with an overturning fastening mechanism. The two sides of the servo motor are fixedly connected with motor fixing bases. According to the photovoltaic frame material stacking and clamping device, loosening and falling caused by small clamping contact surfaces at the two ends due to material deformation in the overturning process can be prevented, and the stacking and clamping effects of photovoltaic frame materials are improved through multi-term clamping.

The high-temperature fan of the granulating and drying hot-blast stove relates to the technical field of compound fertilizer processing and production and comprises a base, a bearing support is fixed to the rear end of the base, a main shaft is rotationally installed in the middle of the bearing support, a main umbrella wheel is coaxially arranged at the input end of the main shaft, and trapezoidal fins are fixed to the position, close to the main umbrella wheel, of the rear end of the main shaft; the spindle is sleeved with a shaft sleeve, and a labyrinth seal is arranged at the front end of the shaft sleeve. In the using process, only one motor needs to be arranged, energy is supplied to the high-temperature fan, meanwhile, automatic circulation of cooling water is achieved through linkage driving of the circulation assembly, heat exchange cooling is conducted on the circulating cooling water through the cooling fan, and due to the fact that compressor refrigeration and water pump circulation do not need to be used, the cooling efficiency is greatly improved. Therefore, efficient circulating cooling of the cooling water can be achieved with a simple structure and extremely low cost, the problem of abrasion between parts of the fan caused by high-temperature expansion is solved, and heat transmitted to the bearing from a high-temperature medium is effectively controlled.

The invention discloses a 3D visual energy consumption management method. The method comprises the following steps: (1) constructing an Internet of Things platform and installing a sensor; (2) creating a 3D model; (3) data integration and processing: according to actual display requirements of the 3D model, associating the acquired energy consumption data and environmental data with the 3D model by adopting a color coding method, a height change method, a label and chart method, an animation display method and a symbol and icon method; corresponding energy consumption data and environment data are matched with corresponding areas, floors, rooms and devices in the 3D model, integration processing is carried out, energy consumption conditions of different areas, floors, rooms and devices are represented by color codes, height changes, charts, animations, symbols and icons, and the energy consumption conditions of the areas, floors, rooms and devices are stored on an Internet of Things platform; (4) a user requests visual display of a corresponding area according to needs; (5) data analysis and optimization; and (6) real-time monitoring and reporting.

The invention discloses a scraper type C-shaped ball valve, relates to the technical field of ball valves, and aims to ensure the sealing effect, a backing ring is arranged in a gap between a valve seat and a valve core, so that the sealing performance is improved, the smoothness during closing is reduced, and meanwhile, the valve core is easy to wear. According to the scraper type C-shaped ball valve, the backing ring and the arc-shaped edge are matched with the sealing ring, in the process of closing the ball valve, the arc-shaped edge of the backing ring firstly makes contact with the valve element, the valve element is guided, meanwhile, friction between the valve element and the valve element is reduced, it is guaranteed that the ball valve is closed smoothly when the valve element rotates, and clamping degree and valve element abrasion increase during closing are avoided; under the action of the elastic force of the spring, the sliding ring drives the sealing ring to be tightly attached to the edge gap position of the sealing face of the valve element, and it is guaranteed that after the sealing face of the valve element is abraded, the good sealing performance is still achieved.

The invention discloses a video decoding and real-time playing method in a QT environment. The method comprises the following steps: S1, creating a compiling environment; s2, an ffmpeg pull stream and a decoding resource are initialized; s3, creating a pull stream main thread; s4, decoding the data packet object obtained by stream pulling; s5, carrying out format conversion on the decoded image frame; s6, obtaining the image frame after format conversion and displaying the image frame in real time; and S7, releasing decoding channel resources. The soft decoding method is adopted, the decoding time is effectively shortened, the RTSP video transmission protocol is adopted to obtain the video stream, the playing delay is effectively shortened, and the video playing fluency is guaranteed.

The invention relates to an adaptive reasoning optimization method based on a target detection model in a limited environment, and belongs to the field of video target detection. According to the invention, under the environment that the CPU, the NPU and the memory resources are limited, the process of target detection processing and display of the video is completed, the video is disassembled into image frames, the image frames are distributed to a plurality of processes according to the frame sequence, and the processing of each frame of image is completed. Meanwhile, the invention provides a method for optimizing the total number n of processes in a limited environment, a method for calculating the FPS, a frame rate shaping output method and a method for setting the length of a multi-process processing queue. By optimizing process management, computing resource allocation and queue length setting, efficient and stable video target detection is realized on an embedded device or a mobile platform with limited resources.

The invention discloses a mechanical arm remote cooperation system and method suitable for an inspection robot, and belongs to the technical field of inspection robots, the system comprises a six-axis synchronous mechanical arm, a mechanical arm remote operation device and a communication link, the six-axis synchronous mechanical arm is applied to the inspection robot, and the mechanical arm remote operation device is applied to the inspection robot. The mechanical arm teleoperation device is used for obtaining hand motion data of an operator and generating a corresponding control instruction, the control instruction is transmitted to the six-axis synchronous mechanical arm through the communication link, the six-axis synchronous mechanical arm executes corresponding actions according to the received control instruction, and real-time state information is fed back to the mechanical arm teleoperation device through the communication link. The mechanical arm teleoperation device dynamically adjusts the control instruction according to the fed-back real-time state information, and bidirectional feedback control is achieved. According to the mechanical arm remote cooperation system and method, the operation flexibility, accuracy and efficiency of the inspection robot can be remarkably improved, meanwhile, the labor intensity of an operator is reduced, and it is ensured that an inspection task is safely and efficiently completed.

The invention discloses a high-voltage power line inspection robot, and belongs to the technical field of high-voltage line detection, the high-voltage power line inspection robot comprises a head pipe, a tail pipe and a plurality of middle pipes arranged between the head pipe and the tail pipe, the head pipe and the middle pipes are arranged in the axial direction, every two adjacent middle pipes are connected through hinge pieces, and the middle pipes and the tail pipe are connected through hinge pieces. A displacement driving device for driving the head tube to move along the power line and a stop device for fixing the head tube on the power line are mounted on the inner side of the head tube, and an elastic guide device in contact with the outer side of the power line is arranged in the middle tube; a rotating ring and a rotation driving device for driving the rotating ring to rotate around the axial direction of the power line are rotationally mounted on the tail pipe, a detection head is mounted on the rotating ring, and the detection head extends to the inner side of the tail pipe in the radial direction of the rotating ring and is used for detecting the surface of the power line. According to the robot, the influence of strong wind weather on device inspection can be reduced, the smoothness during inspection can be ensured, and the inspection efficiency is improved.

The invention discloses a precision stamping device and a stamping method, and relates to the technical field of stamping dies, the precision stamping device comprises a body mechanism, the body mechanism comprises a base, a placing frame is fixedly mounted on the upper surface of the base, a lower die body is fixedly mounted on the upper surface of the placing frame, and an upper die body is arranged above the lower die body; a cleaning mechanism is arranged on one side of the placing frame; the cleaning mechanism comprises a knocking unit, and the knocking unit is located on one side of the containing frame and used for knocking and vibrating the containing frame. The cleaning mechanism further comprises an adsorption unit, the adsorption unit is located in the containing frame, the knocking unit is used in cooperation with the adsorption unit, and the adsorption unit is used for adsorbing and leading out blocked waste materials. And waste materials are prevented from being clamped in the discharging pipeline, damage to the die is avoided, and normal operation of the stamping process is guaranteed.

The invention discloses an automatic feeding and discharging device for circuit board printing, and particularly relates to the technical field of circuit board production, the automatic feeding and discharging device comprises a conveying seat, positioning assemblies are symmetrically arranged on the left side and the right side of the conveying seat, a cleaning assembly is arranged at the upper end of the conveying seat, and a printing assembly is arranged on the front side of the cleaning assembly; pushing assemblies are symmetrically arranged at the left end and the right end of the front side of the conveying base, lifting assemblies are arranged on the front sides of the pushing assemblies, and a plurality of material discs are arranged at the upper end of the conveying base. According to the automatic feeding and discharging device for circuit board printing, through cooperation of all the structures, the position of a circuit board can be accurately calibrated in the feeding process, machining errors caused by inaccurate positioning are avoided, the circuit board is cleaned synchronously, it is ensured that the surface of the circuit board is clean, and the working efficiency is improved. And the printed circuit board can be intermittently conveyed to a designated position to be stored in the discharging process, so that rapid storage and taking in the later period are facilitated, and the whole feeding and discharging process is optimized.

The invention discloses an automatic control infusion device which comprises an infusion support, a temperature control device, a heating unit and a temperature transmitter, the infusion support is connected with a stretching assembly through a mounting mechanism, the stretching assembly is fixedly connected with a rotating mechanism, and the temperature control device is fixedly mounted on the rotating mechanism. A heating mechanism is installed at the side end of the temperature control device, the heating unit and the temperature transmitter are both installed on the heating mechanism, the stretching assembly comprises a plurality of stretching plates, and every two adjacent stretching plates are connected through a rotating assembly, so that the positions of the temperature control device, the heating unit and the temperature transmitter are convenient to adjust; the infusion support can be conveniently and directly adjusted to the infusion arm position of a patient, liquid medicine heated to the proper temperature can be conveniently and directly infused into the body of the patient, meanwhile, multiple persons can conveniently use the infusion support for infusion at the same time, and the use practicability of the infusion support is improved.

The utility model discloses a double-screw kneading machine for producing polyformaldehyde, which comprises a barrel body, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod and a screw rod, wherein the barrel body extends along the horizontal direction; a feeding hole is formed above one end of the barrel body, and a plurality of vacuumizing holes are formed in the top; the end covers respectively cover two ports of the cylinder body; each screw rotor comprises a rotor shaft, each rotor shaft is sequentially provided with a spiral rolling propelling section impeller, a crushing propelling section impeller, a complete crushing section impeller and a reverse-rotation crushing discharging section impeller from the feeding end to the discharging end, the phase difference of the impellers on the two rotor shafts is 90 degrees, the impellers are matched with each other, and the impellers are matched with the inner wall of the cavity of the barrel; the shaft ends of the two rotor shafts penetrate out of center holes of the end covers respectively, and rotor shaft center cooling hole channels are formed in the shaft ends of the two rotor shafts respectively along the axes. And the heating jacket covers the periphery of the cylinder body and is arranged in sections, and each section is provided with a heating medium inlet and a heating medium outlet. The equipment is high in devolatilization efficiency, low in energy consumption and capable of continuously running for a long time, and the obtained polyformaldehyde product is good in quality.

The utility model discloses a rice and bean intercropping automatic pesticide spraying machine which comprises a base, one side of the top of the base is fixedly connected with a stand column, a lifting structure is arranged in the stand column, the other side of the top of the base is provided with a blending structure, the lifting structure is provided with an adjusting structure, the adjusting structure is provided with a pesticide spraying structure, and the two sides of the pesticide spraying structure are provided with shielding structures. The four corners of the bottom of the base are fixedly connected with moving wheels, and one side of the base is fixedly connected with a push rod. Compared with the prior art, the device has the advantages that liquid medicine can be fully mixed to prevent a spray head from being blocked, the spraying range and the shielding range can be adjusted according to different intercropping planting intervals, and separate weeding and spraying of corn rows and soybean rows of a corn and soybean intercropping field can be completed through one-time operation.

The utility model belongs to the technical field of drilling machines, and particularly relates to a building foundation drilling machine convenient to position, which comprises a machine body, a water tank and a connecting column are fixedly connected above the machine body, the water tank is communicated with a connecting pipe, one end of the connecting pipe far away from the water tank is communicated with a water pump, and a water pipe is communicated above the water pump. The end, away from the water pump, of the water pipe communicates with a water spraying ring. According to the building foundation drilling machine convenient to position, a driving motor drives a rotating disc to rotate, so that a cylinder is driven to rotate, then a connecting rod is driven to swing back and forth on a fixing base, and under cooperation of the connecting rod and a movable groove, the connecting rod moves to drive a movable rod to reciprocate back and forth in the movable groove; and the L-shaped rod reciprocates back and forth to touch the switch, and the switch is intermittently turned on and turned off under the action of the torsional spring, so that the water injection nozzle injects water intermittently, and water resources are effectively saved.

The utility model discloses a windproof roller shutter which comprises an electric cloth rolling pipe, a bottom pipe, a shutter cloth and two side rail assemblies, the electric cloth rolling pipe and the bottom pipe are both arranged between the two side rail assemblies, the electric cloth rolling pipe is arranged at the tops of the two side rail assemblies, the upper portion of the shutter cloth is rolled up on the electric cloth rolling pipe, the bottom end of the shutter cloth is fixed to the bottom pipe, zippers are installed on the two sides of the shutter cloth, and the side rail assemblies are arranged on the bottom pipe. A sliding rail assembly for the zipper to move is arranged in the side rail assembly, an elastic piece is fixed to the sliding rail assembly through a screw, the end, away from the sliding rail assembly, of the elastic piece abuts against the inner wall of the side rail assembly, the windproof roller shutter adopts the mode that a single elastic piece replaces sponge or the sponge and the elastic piece are adopted, and the problem that the sponge is prone to aging is solved.

The utility model discloses a filling machine for traditional Chinese medicine processing, which comprises a platform, a weight control mechanism, a hopper and a heat-seal cutting mechanism, a controller is arranged on the side wall of the platform, a feed port is arranged at the top of the platform, a collecting hopper communicated with the feed port is arranged at the bottom of the platform, and a feeding port is arranged at the bottom of the collecting hopper. The weight control mechanism comprises a gravity sensor for monitoring the discharging weight of a single hopper and a driving motor for controlling a discharging auger to rotate, the bottoms of the hoppers are communicated with a discharging pipeline, the discharging auger is arranged in the discharging pipeline, and the heat sealing mechanism is used for conducting heat sealing and cutting on packaging bags wound around the packaging bag material discharging roller. The weight of the crushed traditional Chinese medicine materials in the hopper is monitored in real time through the gravity sensor, the numerical value is transmitted to the controller, when the crushed traditional Chinese medicine materials discharged by the hopper at a time reach the weight numerical value set by the controller, the controller controls the driving motor to suspend, then the auger stops rotating, and the effect of accurately controlling the proportion of the crushed traditional Chinese medicine materials is achieved.

The invention relates to the technical field of information security, and discloses a terminal clipboard sensitive information cross-application leakage real-time interception method, which comprises the following steps of: registering a clipboard access hook function in a kernel layer or a system framework layer of a terminal operating system, and capturing a clipboard reading operation in real time; comparing an application program identifier corresponding to the captured reading operation with an application program identifier of a clipboard owner, and judging whether the access is cross-application access or not; when the access is determined to be cross-application access, triggering a clipboard content scanning engine to perform sensitive information identification on texts, images and file paths in a clipboard; and obtaining an evaluation result based on a preset sensitive information rule base and the dynamic strategy engine. A clipboard access hook function is deployed in a kernel layer or a system framework layer, millisecond-level capture and blocking of cross-application clipboard reading operation are achieved, and traditional extensive management based on application permission declaration is upgraded to refined management and control based on content risk identification.

The invention relates to the field of portable heat dissipation, in particular to a neck-hanging fan which comprises a fan, a ventilation channel, a first air inlet and a first air outlet, the first air inlet and the first air outlet are communicated with the ventilation channel, and the fan is arranged in the ventilation channel. The fan runs, air flow penetrating through the ventilation channel is formed between the first air inlet and the first air outlet, and the direction of the rotating center axis of the fan is consistent with the direction of the air flow; at least two silencing devices are arranged in the ventilation channel, at least one silencing device is arranged between the first air inlet and the draught fan, and at least the other silencing device is arranged between the draught fan and the first air outlet. The neck-hanging fan can achieve the effects of high wind speed and low noise, and can effectively reduce the influence of high-frequency noise on a user so as to improve the user experience.

The utility model discloses a new energy automobile power battery box CTC structure airtightness detection tool comprising a support pedestal, the support pedestal is provided with a substrate, and the substrate is fixedly provided with a first sealing ring and a first pressing mechanism; a vertical frame and a horizontal driving mechanism controlling the vertical frame to slide are assembled on the supporting base in a sliding mode, a pressing plate is connected to the vertical frame in an up-down sliding mode, and a lifting driving mechanism controlling the pressing plate to move up and down is installed on the vertical frame. A second sealing ring is fixedly arranged on the lower side of the pressing plate, the lifting driving mechanism drives the pressing plate to move downwards, the second sealing ring can be sealed on the upper surface of the open thin-edge structure of the middle cover, and an inner locking mechanism is installed on the pressing plate and provided with a second pressing block located below the pressing plate. And the inner locking mechanism can enable the second pressing block to be upwards pressed on the lower surface of the open thin-edge structure of the middle cover. The utility model has the beneficial effects that the technical problem that the bottom of the thin edge of the middle cover is not supported is solved, and the automatic detection of the air tightness of the battery box body with the CTC structure can be realized at the same time.

The utility model relates to the technical field of rotary cover folding and shaking mechanisms, and discloses a rotary cover folding and shaking mechanism of a carton sealing machine, which comprises a support plate and a motor, the motor is arranged on one side of the support plate, a support disc is arranged on the other side of the support plate, and the output end of the motor rotatably penetrates through the support plate and is fixed on the side surface of the support disc. By means of a continuous reciprocating motion mode, during carton sealing, carton cover plates are pressed downwards through the carton pressing rollers on the two sides and folded, carton sealing and folding are rapidly completed, meanwhile, during operation, the carton cover plates are not prone to being folded, and the carton cover plates are not prone to falling off during carton sealing and folding. According to the rotary cover folding and shaking mechanism of the carton sealing machine, the impact force during downward pressing is reduced, the running smoothness is guaranteed, the problems that an existing rotary cover folding and shaking mechanism of the carton sealing machine is tedious in structure, poor in running smoothness and too large in impact force are solved, and the practicability of the rotary cover folding and shaking mechanism is greatly improved.

The invention discloses a straw deep burying and returning method and device, and relates to the technical field of straw returning device.According to the technical scheme, the straw deep burying and returning device comprises a device body, a crushing cavity is fixedly connected to the upper portion of the device body, a crushing mechanism is arranged in the crushing cavity, a filter plate is arranged on the lower portion of the crushing mechanism, and two vibration assemblies are fixedly connected to the bottom of the filter plate; a material box is arranged at the front end of the filter plate, three material guide pipes are fixedly connected to the front end of the material box, and the sides, far away from the material box, of the three material guide pipes are fixedly connected to the lower portions of the soil breaking coulters, and the three soil breaking coulters can be driven to move up and down through the adjusting mechanism before the device is used, so that the soil breaking depth of the soil breaking coulters is flexibly adjusted according to the soil quality of the land; fluency of the device during soil breaking and ditching is effectively guaranteed, after ditching is completed and straw is put in, soil covering wheels arranged at the rear ends of soil breaking coulters can push soil accumulated on the two sides of a soil ditch to enter the soil ditch, and therefore the straw is covered.