109results about How to "Prevent jumping" patented technology

The invention discloses a hydroelectric generating set parameter dynamic multi-objective optimization method and system oriented to variable working conditions. The method comprises the following steps: establishing a nonlinear simulation model; establishing a multi-dimensional performance evaluation system; constructing an off-line / on-line fusion optimization system architecture; for each new working condition point, generating a high-quality initial population based on the Pareto solution set of the nearest neighbor optimized working condition point; solving a Pareto optimal solution set of the working condition points; performing incremental training on the machine learning model to form an offline knowledge base; real-time working condition data are collected in a fixed period, and future water head and power are predicted; based on a prediction result, adopting a dual warm start mechanism to solve a dynamic multi-objective optimization problem at the current moment and the future moment in parallel; and monitoring a consistency index between the online optimization solution set and the prediction solution set in real time, and triggering incremental updating of the model when the index continuously exceeds the limit. According to the method, all-working-condition continuous self-adaptive optimization and prospective regulation and control of the hydroelectric generating set can be realized.

The utility model discloses a prevent no -shaft spiral vane jumping device, the utility model relates to material conveying equipment technical field. Including: the shell assembly is rotated and is connected with spiral shaft assembly in the inner wall of shell assembly, the outer wall fixedly connected with gear box of spiral shaft assembly, the input of gear box is fixedly connected with speed -reducing motor, the inner wall fixed mounting of shell assembly has prevented vane jumping device, this device is through setting prevents vane jumping device, through the rolling contact of rotary drum and spiral shaft assembly, provides reverse restriction force when vane produces jumping tendency under external force, directly inhibits the jumping amplitude, and this kind of structure design can effectively respond to the radial jumping caused by uneven sludge viscosity, impurity impact etc, ensure that spiral vane runs stably, and the device reaches the purpose that prevents no -shaft spiral vane jumping device.

The utility model discloses marine diesel engine nozzle alloy steel bar production equipment which comprises a base, a U-shaped frame is fixedly connected to the upper surface of the base, and a cutting assembly is arranged in the U-shaped frame. The cutting assembly comprises an electric hydraulic push rod installed in an installation hole formed in the upper surface of the U-shaped frame, a built-in plate fixedly connected to the end of an output shaft of the electric hydraulic push rod and a balance weight plate arranged on one side of the built-in plate, a barrier plate is arranged above the built-in plate, and the barrier plate is fixedly connected to one side of the balance weight plate. According to the cutting device, the diesel engine nozzle alloy steel bar can stop moving after moving to a proper position, the cutting procedure of the diesel engine nozzle alloy steel bar is completed by moving the rotating cutting disc downwards, the cutting position of the bar can be adjusted, the cutting device is suitable for cutting bars of different lengths, clamping and fixing of the alloy steel bars of different sizes are achieved, and the working efficiency is improved. And the universality and adaptability of the cutting equipment are further improved.

The application belongs to the technical field of road and bridge joint construction, and particularly discloses a paving device for preventing and treating bridge-head bumping and a parameter determination method thereof, wherein the paving device comprises a bottom layer structure, the bottom layer structure comprises a bridge-head first-span beam, a foam filling structure and a semi-rigid backing plate; the bridge-head first-span beam comprises a planar section and a sloping section connected with the planar section, the bottom of the sloping section is arranged on the upper surface of the abutment and is connected with the coping of the abutment; the abutment and the opposite side of the bridge-head first-span beam are provided with a roadbed; the foam filling structure is filled on the sloping section, the upper surface of the foam filling structure is in the same plane with the upper surface of the roadbed; and the semi-rigid backing plate is fixedly laid on the foam filling structure and the roadbed. The deformation characteristics of the foam filling structure under the load are utilized to make the bridge-head pavement paving layer produce a cooperative settlement deformation with the bridge-head roadbed soil, so that the differential settlement problem between the bridge and the road causing the bridge-head bumping is fundamentally solved, and the phenomenon of bridge-head bumping does not occur in long-term use.

The application relates to the computer technical field, in particular to a page processing method and device, electronic equipment and storage medium, adopting a standard language, converting at least one original jump component based on an original language contained in an original application page into corresponding target jump components respectively; determining page jump indication information between the original application page and each other application page based on the at least one original jump component; adopting the standard language, converting at least one original page element based on the original language into corresponding target page elements based on the element conversion mode corresponding to each original page element contained in the original application page; and sending the obtained at least one target jump component, page jump indication information and at least one target page element to the search server for associated storage. In this way, the richness of search results can be improved.

The invention belongs to the technical field of medical equipment, and particularly relates to anti-jumping needle forceps. In order to solve the problem that in the prior art, needle holding forceps are prone to jumping in the process of adjusting the size of forceps heads, the anti-jumping needle holding forceps are provided and comprise a left rotatable forceps handle, a right rotatable forceps handle, a forceps handle connecting assembly, a pull rod, a movable forceps head and a fixed forceps head. The clamp handle connecting assembly is connected with the pull rod, and the movable left clamp handle and the movable right clamp handle can enable the clamp handle connecting assembly to rotate to generate axial linear motion force on the pull rod in a direct / indirect mode so as to pull the movable clamp head to achieve opening and closing of the clamp head; a pull rod sliding limiting part located on the side, close to the pull rod, of the fixed plier head is arranged, the pull rod is provided with a limiting protrusion, and the limiting protrusion is matched with the pull rod sliding limiting part to enable the pull rod to stably move in the axial direction. The pull rod is prevented from jumping by pressing the outer wall of the pull rod sliding limiting part on the two sides of the limiting protrusion, so that jumping of the forceps head connected with the pull rod is limited, and the stability of adjusting the opening and closing angle of the needle holding forceps head is improved.

A pulley and its control method. This invention belongs to the field of power transmission construction technology and discloses a pulley, including a pulley body, a guide wheel assembly, a limiting assembly, an image recognition assembly, and a controller. The guide wheel assembly is disposed on the pulley body and includes at least one first guide wheel with an annular first guide groove. The limiting assembly is disposed on the pulley body and above the first guide wheel. The limiting assembly includes a limiting state that cooperates with the first guide wheel to form a first limiting space to limit the conductor and a retracted state that moves away from the first guide wheel. The image recognition assembly is disposed on the pulley body and above the first guide wheel and is used to identify the positions of the conductor and the first guide wheel. The controller is electrically connected to the image recognition assembly and the limiting assembly and is used to control the limiting assembly to switch between the limiting state and the retracted state. The pulley of this invention can monitor the dynamic deviation of the conductor in real time and interfere with the conductor's operating state.

The utility model relates to the technical field of automation equipment, in particular to a rotor commutator outer circle end face finish turning machine which comprises a machine table, a rotor positioning assembly, a rotor driving assembly and a turning tool feeding assembly are arranged on the table top of the machine table, and the rotor driving assembly and the turning tool feeding assembly are located on the two sides of the rotor positioning assembly respectively. The rotor positioning assembly is used for erecting a rotor, the rotor driving assembly is used for driving the rotor to rotate on the rotor positioning assembly, and the turning tool feeding assembly is used for extending a turning tool out of the rotating rotor for finish turning operation. Compared with the prior art, the rotor commutator excircle end face finish turning machine has the advantages that the first V-shaped seat and the second V-shaped seat are embedded with the V-shaped inclined surface of the V-shaped base, so that a rotor can be effectively prevented from jumping in the rotating process, the rotor is ensured to stably rotate in the finish turning process, the finish turning machining precision is improved, and the service life of a motor is favorably prolonged.

The utility model discloses a watering cart for landscaping engineering construction, which comprises a water tank, the bottom of the water tank is fixedly connected with a carrying cart, the right side of the carrying cart is fixedly connected with a mounting plate, and the top of the mounting plate is movably connected with a spraying assembly. Water entering the water tank can be filtered through the filter cartridge, so that the water in the water tank is clean, when excessive impurities are accumulated in the filter cartridge, a linkage plate is pulled to move towards the side away from a transverse plate, the linkage plate stretches a tension spring, the linkage plate drives a sliding rod and a clamping block to move towards the side away from a clamping strip plate, and the water in the water tank is filtered out. After the clamping strip plate and the clamping block are separated, the transverse plate and the filter cartridge are not fixed, the filter cartridge is moved upwards, the filter cartridge retreats from the interior of the water tank, and then impurities in the filter cartridge can be cleaned, so that the water tank has the advantage of being capable of filtering the impurities, the filter assembly is installed at the water inlet of the tank body of the watering cart, and the impurities in water cannot enter the tank body; and the use safety of the water spraying assembly of the watering cart is improved.

This utility model discloses a tooling for machining shaft pin parts, relating to the field of machining tooling technology. It includes a lathe body, a support assembly fixedly mounted on the rear side of the lathe body, a movable stage movably mounted on the support assembly, a locking assembly fitted onto the movable stage, and a connecting frame extending towards the front of the lathe body from the top of the movable stage. This utility model design uses the movable stage to support and move a positioning frame, thereby adjusting the position of the positioning frame according to the length of the workpiece to be machined. When workpiece positioning is required, the movable stage is first fixed by the positioning assembly, and then the position of the positioning seat is adjusted according to the diameter of the workpiece, so that the rollers on the positioning seat abut against the surface of the workpiece. During machining, the lathe body passes through the clearance opening at the front end of the positioning frame, thus assisting the lathe spindle in positioning the workpiece without hindering machining, preventing workpiece movement, and ensuring machining quality.

This invention relates to the field of explosive loading device technology, specifically to an adjustable explosive loading device and method with segmented charge quantity within an orifice. The device includes a loading rack, which comprises a base plate and two side plates fixed to the base plate. Multiple explosive cartridges are arranged inside the loading rack, each containing a blasting charge. A storage rack is fixed to the bottom of each cartridge, and an air-isolating bag is fixed inside the storage rack. The air-isolating bag, when unfolded, fills the gap between two cartridges. Slider blocks are fixed to both sides of each cartridge, and these sliders are slidably connected to the side plates of the loading rack. The beneficial effect is that, through the pre-reserved slots on the side plates of the loading rack and their cooperation with the sliders, each cartridge can be independently adjusted up and down along the side plates of the loading rack, and its position is locked by inserting a hand-tightened screw into a positioning hole. This allows the spacing between adjacent charge quantities to be flexibly adjusted according to the blasting design and prevents displacement during transport and deployment, solving the problem of fixed and unadjustable segmented positions in existing technologies.

This invention discloses a multi-band external radiation source radar method and system for UAV detection, relating to the field of electronic digital data processing technology. The method includes: acquiring a reception period and external radiation source signals, acquiring power sequences, coverage sequences, and resolution sequences; acquiring the output weights of each external radiation source in each reception period; acquiring the target weights of each external radiation source in each reception period based on the output weights and a preset ratio threshold, and acquiring the dynamic weights of each external radiation source at the current moment based on the target weights of each external radiation source in each reception period; acquiring the initial UAV detection data of each external radiation source at the current moment, and acquiring the UAV target detection data at the current moment based on the dynamic weights of each external radiation source at the current moment and the initial UAV detection data. This invention has the advantages of adapting to power fluctuations, reducing invalid data redundancy, and trend correction fusion.

The utility model relates to the technical field of rubber colored rubber zipper pull slicing, in particular to a combined rubber colored rubber zipper pull slicing device which comprises a supporting frame, a supporting plate is arranged on the supporting frame, a protective cover is arranged on the supporting plate, a mounting frame is arranged on one side of the protective cover, the mounting frame is also arranged on the supporting plate, and a driving air cylinder is arranged on the mounting frame. An output shaft is arranged at the output end of the driving air cylinder, a control cabinet is arranged on one side of the mounting frame, a conveying belt is arranged on the supporting plate, a driving source is arranged at one end of the conveying belt, and a discharging plate is arranged at one end of the supporting plate and obliquely arranged. A cutting knife is arranged at one end of the output shaft, and a guide assembly is arranged on the inner wall of the protective cover. A cleaning assembly is arranged on the inner wall of the mounting frame; the guide assembly is used for guiding the rubber color glue on the conveying belt to be centered during operation; and the cleaning assembly is used for cleaning the surface of the cutting knife after cutting. Compared with the prior art, the cutting effect is prevented from being affected by residual glue accumulation.

The application discloses a digital television program playing method, an electronic device, a computer readable storage medium, a computer program product, a chip and a digital television terminal, wherein the playing method comprises the following steps: when recording a target program, filtering out a transport stream packet to which an intra-coded frame of the target program belongs, and encrypting the transport stream packet to which the intra-coded frame belongs to obtain an encrypted packet; when playing back the target program, obtaining a recording file of the target program, wherein the recording file comprises the encrypted packet; in a first speed playback mode, decrypting and decoding the encrypted packet in the recording file to obtain an audio and video original code stream of the intra-coded frame; and playing the audio and video original code stream of the intra-coded frame at a first speed, wherein the first speed is higher than a standard speed. The method of the application can avoid large jumps of displayed pictures in a high speed playback mode, and improve display quality.

The present application belongs to the field of intelligent transportation and vehicle-mounted electronic technology, and specifically relates to an intelligent environment perception and video risk early warning system and method for a vehicle-mounted display screen, comprising an environment perception module, a space-time reference generation module, a multi-modal data fusion module, a risk decision engine module, a video frame synchronization processing module and a display rendering module. Through a unified space-time reference framework and motion extrapolation correction mechanism, position lag or jump of risk warning signs in high-speed driving scenarios is avoided; multi-modal cross-scale feature fusion and a double-path risk decision architecture are utilized to maintain the semantic integrity of risk identification in complex urban traffic environments; and precise binding of structured metadata and video frames is achieved, ensuring that visual elements and real-world targets are strictly aligned in geometric projection.

The application discloses a kind of car door map pocket structure, car door structure and car, including the door guard plate body with containing groove and the map pocket cover plate being installed in the side of the door guard plate body;The map pocket cover plate includes cover plate inner plate and cover plate outer plate;The cup holder partition of the cover plate inner plate is slidably connected, one end of the cup holder partition is connected with the cover plate inner plate by first elastic element, and the cup holder partition can be moved forward and backward in containing groove adjustment;The lower end of the cover plate outer plate is pivotally connected with the door guard plate body, and the map pocket cover plate can be swung open and closed relative to the door guard plate body.The car door map pocket structure, car door structure and car disclosed in the application, the cup holder partition can be moved forward and backward in containing groove adjustment, and can clamp relatively smaller size of article, the map pocket cover plate can be swung open relative to the door guard plate body, and can be used to place relatively larger size of article, improve the use experience of user.

The utility model relates to the technical field of crayfish breeding and catching, in particular to a rice field shrimp breeding and collecting device which comprises a fixing frame, a plurality of fixing holes are evenly formed in the fixing frame, groove pipes are arranged on the fixing holes, one end of each groove pipe is open, and a filter plate is fixed to the bottom of each groove pipe. Connecting plates are symmetrically fixed to the two ends of the fixing frame, supporting shafts are arranged on the sides, close to an opening of the groove pipe, of the connecting plates, a connecting rod is further arranged above the fixing frame, the two ends of the connecting rod are connected with the supporting shafts through the fixing plates, and the supporting shafts penetrate through the tail ends of the fixing plates and are rotationally connected with the fixing plates. A hanging ring is further fixed to the connecting rod. When the device is used for catching the crayfishes, the tail end of the steel wire rope is on the bank of the rice field, the device is lifted through the steel wire rope without approaching, the crayfishes cannot be frightened to escape in advance, and when the device is lifted, the device opening faces upwards, so that the crayfishes are further prevented from jumping out of the groove pipe.

The invention discloses an end-to-end automatic driving track determination method and a related product. In the scheme, based on sensor data, map information and a navigation target, an environment context feature vector of the autonomous vehicle is obtained; performing automatic driving track flow direction prediction based on the current track state information, the current time and the environment context feature vector of the automatic driving vehicle, and determining an initial flow direction prediction result; correcting the initial flow direction prediction result by using the constraint correction flow direction to obtain a target flow direction prediction result; the constraint correction flow direction is determined based on the physical constraint and the security rule constraint; the physical constraint is constructed based on a Riemannian metric inverse matrix; the security rule constraint is constructed based on the semantic potential field gradient; and processing the target flow direction prediction result to obtain a trajectory determination result of the autonomous vehicle. Compared with the problems of low planning precision and poor real-time response capability in the prior art, the method has obvious advantages.

This application discloses a SOC display method, device, vehicle, and storage medium, belonging to the field of automotive technology. The method includes: acquiring the discharge current of an electric vehicle's battery; detecting the remaining battery charge when the discharge current indicates the battery is in a high-power discharge state to obtain a first SOC; acquiring a second SOC, which is the SOC displayed by the electric vehicle at the previous moment; adjusting the second SOC if the first and second SOCs meet adjustment conditions to obtain a third SOC; and displaying the third SOC. If the electric vehicle's discharge current indicates the battery is in a high-power discharge state, it indicates a possible jump in the battery's SOC. Therefore, the SOC to be displayed by the electric vehicle at the current moment is determined based on the detected battery SOC and the SOC displayed by the electric vehicle at the previous moment to prevent SOC jumps and ensure the stability of the displayed SOC.

The utility model relates to a sectional type double-row clamping conveying device which comprises a machine frame, two conveying bases, a conveying adjusting mechanism, two conveying belt mechanisms and two clamping assemblies, the two conveying bases are installed on the machine frame through the conveying adjusting mechanism, the two conveying belt mechanisms are installed on the corresponding conveying bases respectively, and the two clamping assemblies are installed on the conveying bases. The two clamping assemblies are installed on the corresponding conveying bases correspondingly. The conveying belt mechanism comprises a front conveying belt, a rear conveying belt and a transition conveying belt, the rear conveying belt is located right behind the front conveying belt, the front end of the rear conveying belt is connected with the rear end of the front conveying belt, the transition conveying belt is arranged on one side of the front conveying belt and the rear conveying belt, and the top face of the front section of the transition conveying belt is flush with the top face of the rear section of the front conveying belt. The top face of the rear section of the transition conveying belt is flush with the top face of the front section of the rear conveying belt. The sectional type double-row clamping and conveying device has a sectional adjusting function, is suitable for multi-station continuous operation of the glass laser-beam drilling machine, and can improve the working efficiency.

The application relates to the field of accessory devices, and discloses a damper poking block and a damper assembly, a body, a gap arm, a protruding shaft and a connecting piece. A connecting groove is formed in one side of the body, the gap arm is arranged on one side of the body, one end of the gap arm is arranged in an inclined mode, the protruding shaft is arranged on the body and extends outward along two sides of the body and is used for being slidably connected with a guide groove of a guide rail, the connecting piece comprises a connecting shaft, the connecting shaft is arranged in the connecting groove, the body and the connecting shaft are rotationally connected, one side of the connecting shaft is further provided with a connecting port used for being connected with a damping pipe, the connecting piece can be relatively rotated with the body through the connecting shaft by arranging the connecting piece in the connecting groove, when one end of the body is upwardly tilted in sliding, the connecting piece can be rotated in the opposite direction in the connecting groove, the connecting piece can be effectively prevented from jumping or shaking together with the body, and the stability of the work of the poking block is improved.

This utility model belongs to the field of machining technology and discloses a workpiece machining device. The workpiece machining device includes a base clamping mechanism and a counterweight. A first base is provided on the base. The clamping mechanism includes a chuck body, a jaw drive assembly, and a jaw assembly. The chuck body is rotatably mounted on one end of the first base. The jaw assembly includes three jaws, which are evenly distributed around the circumference of the chuck body. Each jaw can slide radially along the chuck body. A counterweight is provided on one of the three jaws. The jaw drive assembly is used to drive the three jaws to jointly clamp the annular part. The counterweight and the rod are radially opposite to each other along the annular part, which effectively realizes the mass balance compensation during the machining process and improves the stability of clamping. Furthermore, the counterweight counteracts the centrifugal force caused by the asymmetry of the workpiece structure, so that the chuck body remains stable when rotating at high speed, improving the cutting accuracy and thus improving the machining quality of the workpiece.

The utility model provides a kind of variable curvature arc-shaped transition prevents bridgehead bumping structure, belong to building construction technical field.It solves the problem that existing bridgehead slope still exists bridgehead bumping.This variable curvature arc-shaped transition prevents bridgehead bumping structure one end of arc-shaped batten is connected with abutment pile, the other end is connected with sleeper beam, the above of arc-shaped batten fills up road surface fill layer, the below of arc-shaped batten fills up flexible contact layer, arc-shaped batten includes rigid transition section, roadbed adaptation section and middle gradual change adjustment section, bridge end rigid transition section and roadbed adaptation section are all set outwards and upwards and curve, middle gradual change adjustment section is set outwards and downwards and curve, the curvature of bridge end rigid transition section is less than the curvature of roadbed adaptation section, the curvature of middle gradual change adjustment section gradually increases along the direction of bridge end rigid transition section towards roadbed adaptation section.This prevents bridgehead bumping structure has the advantage that vehicle load is more smooth between bridge and roadbed transmission, avoids bridgehead bumping phenomenon.

The invention relates to the technical field of sink roll welding, and discloses a welding device for heat-resistant sink roll machining and a welding method thereof.The welding device comprises a machining table, an electric arc welding head arranged on the back of the machining table, a sliding table slidably connected to the back of the machining table, and a fixing base fixedly connected to one side of the top of the machining table; the top of the machining table is slidably connected with a sliding seat, and a limiting assembly is arranged on the surface of the fixed seat and the surface of the sliding seat. Through use of a limiting assembly, a driving motor drives an extension rod and a rotating gear to rotate through a driving rod, the rotating gear drives the rotating gear to rotate through a rotating gear ring, a worm drives a screw rod to rotate through a worm gear, the screw rod drives an annular clamping plate to move through a U-shaped block, and the annular clamping plate fixes a roller body or a shaft head; and after the roller body or the shaft head is fixed by the annular clamping plate, the worm does not rotate any more, and the worm drives the rotating ring to rotate through the clamping box, so that the effect of fixed rotation is achieved.

The utility model discloses a cement kiln flue gas denitration device, which relates to the technical field of flue gas denitration and comprises a gas inlet pipe, one end of the gas inlet pipe is communicated with a flue gas outlet of a cement kiln, the other end of the gas inlet pipe is communicated with a separating box, a fan is arranged between the separating box and the gas inlet pipe, a collecting box is arranged at the bottom of the separating box, and a gas outlet of the collecting box is communicated with the gas inlet pipe. A baffle plate is fixedly arranged on the inner wall, close to the gas inlet pipe, of the separation box, the baffle plate is downwards and obliquely arranged in the direction far away from the gas inlet pipe, and the upper end of the separation box is fixedly communicated with a denitration pipeline. The baffle arranged in the separation box can prevent smoke dust collected in the collection box from rising continuously due to airflow caused by the draught fan, light smoke dust in smoke can be screened through the arranged screen, and the screen can be easily replaced through the arranged replacement mechanism.

This utility model relates to the technical field of material feeding in hot forging production, and in particular to an adjustable and standardized feeding device for a ring feeder. It includes a component mounting panel, a full-material sensing group, a side-adjustable bridge base, an outer diameter adjusting blocking component, a material passing blocking gate component, a feeding mechanism positioning component, a feeding side width adjusting component, and an outer end fixing plate. The side-adjustable bridge base accommodates materials of different thicknesses, the outer diameter adjusting blocking component and the material passing blocking gate component work together to control material flow, and the feeding mechanism positioning component and the feeding side width adjusting component ensure stable material descent. This application can automate the feeding of various material specifications, significantly improving production efficiency and equipment versatility, and reducing labor and equipment costs.

The invention discloses a point cloud data efficient three-dimensional target detection method for an intelligent construction scene, and belongs to the field of engineering management, and the detection method comprises the following specific steps: I, periodically collecting and preprocessing construction site point cloud data, building a continuous time frame sequence, and constructing a construction twinborn model corresponding to a construction site; iI, aligning the semantic topology of the point cloud data and the construction twinborn model, identifying the abnormal area of the construction site, and then analyzing the evolution trajectory of each object on the construction site in real time; according to the method, the occurrence probability of false detection and unreasonable engineering semantics results is remarkably reduced, the detection stability of slowly moving or periodically changing targets is effectively enhanced, the problems of jumping and missing detection which are easily generated by single-frame detection are avoided, the recognition accuracy of shielded components in a complex construction environment is improved, and the construction quality is improved. And the overall detection efficiency is improved while the precision is ensured.

This invention relates to the field of membrane laying technology, and more particularly to a geomembrane laying device. It includes a frame with two sets of rollers symmetrically arranged on it. These rollers work together to support the geomembrane roll. A base plate is detachably mounted at both ends of the geomembrane roll on the frame. A primary spring is mounted on the base plate, with a truss plate above it. A secondary spring is mounted on the truss plate, and a support is mounted above the secondary spring. A horizontal insert is detachably mounted on the support, with a rod inserted into the insert. A top spring is positioned between the rod and the insert. This multi-stage buffer structure, combining primary and secondary springs, along with the top spring, achieves graded dispersion of elastic tension, significantly reducing the geomembrane pinching and tensile damage problems caused by the concentrated tension of traditional single-segment springs, thus ensuring the geomembrane's impermeability and service life.

The invention relates to the technical field of cutting devices, in particular to a cold rolling cutting device for metal processing, which is characterized in that limiting chute rods are fixedly mounted at corners in a first U-shaped groove, driving rollers are arranged between the upper and lower limiting chute rods, and a moving table is fixedly mounted between the front and rear driving rollers; first cavity rods are arranged at the corners of the front edge and the rear edge of the upper end face of the moving table correspondingly, and first supporting sliding plates are arranged above the first cavity rods correspondingly. The problems that a supporting structure and a cutting structure of a traditional device are poor in connection, the traditional device cannot be matched with materials in various shapes, and cutting tools are unreasonable in arrangement are solved, the cutting tools in an annular array can conduct circumferential synchronous cutting on cold-rolled materials, accurate matching of material conveying and cutting is achieved in cooperation with a groove body and a limiting structure of a base, and the production efficiency is improved. The cutting precision and the operation efficiency of cold-rolled materials are effectively improved, and meanwhile the device is suitable for machining of cold-rolled metal materials in different shapes such as a round shape and a square shape.

The application discloses a kind of track connection optimization methods of section multi-radar detection area, overcome the single radar detection range not full in prior art, cannot obtain the complete trajectory of vehicle on intermediate section, and the trajectory obtained is prone to jump problem, comprising the following steps: S1: selecting radar layout point, define radar connection area;S2: obtain the target trajectory set detected by radar, the target trajectory set is filtered, and the target trajectory set after deduplication is obtained;S3: whether the target trajectory set after deduplication is multi-radar connection area, according to the judgment result carries out the same radar trajectory connection or multi-radar trajectory connection;S4: traverse all target trajectories, analyze the remaining candidate trajectory, and obtain the complete trajectory of section.The same radar trajectory connection and multi-radar trajectory connection are carried out by arranging radar in intermediate section, the complete trajectory information of vehicle in intermediate section is obtained, high accuracy, fast matching, and jump is effectively prevented simultaneously.