14results about How to "Avoid parking" patented technology

The utility model discloses a kind of crane servo driver redundancy control system, including main servo driver, spare servo driver, motion controller and relay group;Main servo driver and spare servo driver are connected with motor respectively through main power supply line and spare power supply line;Motion controller monitors the working condition of main servo driver in real time and monitors the communication state between main servo driver and motor, parameter data are analyzed and handled, and according to parameter data, the on-off state of relay group is controlled by judging;The utility model avoids crane to stop due to driver fault, greatly improves the reliability and usability of crane;Fault can be found in time and alarm signal is sent, reduce fault loss;It is applicable to various types and specifications of crane servo driver, with strong versatility and compatibility.

The utility model discloses a boiler grate operation monitoring device which comprises a rotating speed monitoring assembly and a camera, the camera is fixedly installed on a boiler wall at the front end of a main shaft of a boiler grate, and the rotating speed monitoring assembly is fixedly installed on the boiler wall at the front end of the main shaft of the boiler grate. According to the boiler grate operation monitoring device, the camera is installed on the boiler wall in front of the boiler grate main shaft, an original displayer in a boiler operation room is used, if the grate is damaged, the damage can be found in time, the rotating speed of the grate is accelerated immediately, material leakage is reduced, the situation that biomass blocks the grate main shaft is avoided, and the boiler grate operation monitoring device is convenient to use. A rotating speed monitor is installed on a fire grate main shaft coupler, the rotating speed of the rotating speed monitor is displayed on a boiler operation board, when the rotating speed is low or the boiler operation board stops rotating, sound and light alarming can be automatically carried out, an operator is prompted that a main shaft breaks down and needs to check reasons on site, and unnecessary shutdown of the boiler and damage to equipment are avoided.

This invention relates to the field of petrochemical technology, specifically to a method and system for preventing overheating in a C2 hydrogenation reactor. The method includes: S1, acquiring analytical data of the inlet and outlet of each section of the C2 hydrogenation reactor bed, as well as the inlet temperature; S2, determining alarm values ​​and interlock values ​​for each section of the C2 hydrogenation reactor bed based on the acquired inlet temperature and / or analytical data; S3, if an alarm is triggered based on the alarm value, confirming whether the operating parameters of each section of the C2 hydrogenation reactor bed are normal; S4, if an interlock is triggered based on the interlock value, adjusting the operating parameters of each section of the C2 hydrogenation reactor bed to reduce the inlet temperature of each section of the C2 hydrogenation reactor bed. Using this method, by determining the alarm values ​​and interlock values ​​for each section of the C2 hydrogenation reactor bed based on the acquired inlet temperature and / or analytical data, overheating in the C2 hydrogenation reactor can be effectively prevented in practical applications.

The invention discloses a regional public parking space demand prediction method based on parking big data. The method comprises the following steps: a vehicle in a parking space pre-occupation region sends a pre-occupation signal; constructing a real-time parking lot map model; analyzing a parking space distribution scheme set according to the real-time pre-parking condition based on a parking lot map model; calculating parking paths of all parking space distribution schemes in the parking space distribution scheme set based on a parking space distribution model to screen an optimal parking space distribution scheme, and updating a real-time pre-parking condition; and establishing an SVM parking space prediction model, bringing the real-time pre-parking condition into a training sample, optimizing parameters in the SVM parking space prediction model by adopting a CS algorithm based on the training sample, and predicting the number of non-idle parking spaces. According to the invention, the parking data in the parking lot for a period of time in the future are obtained in advance through a pre-occupation mode, and the parking condition in the future time is predicted through the combination of the current data and the future data, so that the prediction accuracy is improved.

This invention provides a bisphenol A anion regeneration system, comprising an anion bed. The inlet pipes of the anion bed are connected to a demineralized water inlet pipe, a phenol inlet pipe, and a caustic soda inlet pipe. The anion bed is equipped with a top vent pipe and a bottom vent pipe, and a reverse flow pipe connects the inlet pipe and the bottom vent pipe. The upper inlet of the bottom vent pipe is higher than the upper surface of the anion bed. The advantages of this invention are: it extends the service life of the expensive anion catalyst, and through cyclic regeneration, avoids the huge cost of frequent catalyst replacement. The phenol solution used in the regeneration process can be recycled, and the waste alkali solution can be centrally treated or partially recovered, further reducing material consumption and waste disposal costs. Furthermore, during the regeneration operation, the material is introduced into the crystallization system through valve switching, avoiding shutdown of the entire production system, ensuring production continuity, and improving equipment utilization and overall economic efficiency.

This disclosure relates to a dust suppression method, apparatus, electronic device, and storage medium. The method includes: acquiring first location information of a first vehicle, and based on the first location information, acquiring nozzle position information of at least one spraying device installed on both sides of the road on which the first vehicle is traveling; determining, based on the first location information and the nozzle position information, whether there is an intersection between a first detection range of the first vehicle and the current spraying range of the at least one spraying device; and, if it is determined that there is an intersection between the first detection range and the current spraying range, controlling the at least one spraying device to open or close based on its operating state. This disclosure can prevent vehicles from stopping or traveling at low speeds due to the need to avoid obstacles, thus ensuring both dust suppression effectiveness and vehicle operating efficiency.

A tipping mechanism with tension compensation function includes a winch, a transport trolley, a fuel basket and a weight assembly, wherein the fuel basket is rotatably arranged on the transport trolley through a rotating shaft, the rotating shaft is eccentrically fixed to the fuel basket, a steel wire rope is wound according to a winding path capable of pulling the fuel basket to tip, one end of the steel wire rope is fixed to the winch, and the other end is connected to the weight assembly, an elastic element is arranged on the rotating shaft, one end of the elastic element is fixed to the transport trolley, and the other end is fixed to the rotating shaft or the fuel basket, so that the elastic force of the elastic element can change with the change of the tipping angle of the fuel basket. The present invention can effectively compensate for the reduced tension of the steel wire rope during the tipping of the fuel basket, keep the tension of the steel wire rope basically unchanged, reduce the deflection of the steel wire rope, improve the ability of the steel wire rope to resist external interference, and thus improve the operation stability and efficiency of the tipping mechanism.

The invention relates to a U-shaped reinforcing mesh carrying and assembling production line, and relates to the technical field of reinforcing steel bar machining. The connecting frame is installed below the driving assembly, supporting plates which are symmetrically distributed are installed in the connecting frame, and the supporting plates can be connected between straight ribs on the two sides of a U-shaped reinforcing mesh in a lap joint mode so that stable movement of the U-shaped reinforcing mesh can be guaranteed. The driving assembly can control the moving direction of the connecting frame, then the moving direction of the U-shaped reinforcing mesh is controlled, automatic carrying of the U-shaped reinforcing mesh is achieved, the transportation time is greatly shortened, and the production efficiency is high. A bending part is arranged at the bottom of a supporting plate; an air cylinder is fixedly installed below the bottom beam, the top of the supporting plate is rotatably connected with the bottom beam, the air cylinder works to drive the supporting plate to rotate along the top of the supporting plate, then the bending part is controlled to stretch out and draw back, and stable lap joint and release of the U-shaped reinforcing mesh are guaranteed.

The utility model discloses a driving shaft and a vehicle, the driving shaft comprises: a first rotating shaft, which is connected between a differential mechanism and a driving wheel, and is circumferentially provided with a thinning groove; the second rotating shaft is arranged in the first rotating shaft, the second rotating shaft comprises an input shaft body and an output shaft body, the input shaft body is in transmission connection with the differential mechanism, the output shaft body is in transmission connection with the driving wheel, a centrifugal part is arranged on the input shaft body, and the centrifugal part and the thinning groove are oppositely arranged; wherein the centrifugal part is provided with an initial position and an unfolding position, and when the thinning groove is broken, the centrifugal part is located at the unfolding position and drives the input shaft body to be in transmission connection with the output shaft body. By arranging the centrifugal part, after the first rotating shaft is broken, the centrifugal part can drive the input shaft body and the output shaft body to be in transmission connection, the second rotating shaft replaces the first rotating shaft to complete the power transmission process, a user can drive the vehicle to a maintenance site, and the vehicle is prevented from being parked in a wild or an expressway or other places.

The utility model discloses a high-performance sealing lining plastic butterfly valve, and belongs to the utility model and creation of anti-corrosion butterfly valves. The utility model aims to solve the problem that the existing high-corrosivity media, air pipe galleries, process devices, used steel lining fluoroplastic butterfly valves (anti-corrosion butterfly valves for short) and chemical engineering devices with highly corrosive substances have very strict requirements on the sealing performance of the anti-corrosion butterfly valves, and due to the fact that on the toxic and harmful special working conditions, the sealing performance of the anti-corrosion butterfly valves cannot be influenced once the valves leak out of the media. The valve can be replaced only if unsafe factors are caused and the device is stopped. On-site investigation shows that the medium leakage reason of an existing anti-corrosion butterfly valve is that O-shaped rings arranged at the upper end and the lower end of a butterfly plate fail in sealing, and the O-shaped sealing rings eroding a valve shaft fail, so that the medium leaks out of middle holes of an upper valve body and a lower valve body. Therefore, according to the novel anti-corrosion butterfly valve, the upper end and the lower end of the butterfly plate are provided with O-shaped rings for sealing, the upper valve rod and the lower valve rod are provided with packing sealing structures, and the problem of medium leakage is solved.

The utility model discloses a high-voltage circuit breaker automatic cradle device, which comprises a driving device, the driving device comprises a driving motor, one end of the driving motor is vertically connected with a storage battery, and the storage battery is provided with a driving switch; the gearbox body comprises a driving shaft, one end of the driving shaft is clamped to the other end of the driving motor, and the other end of the driving shaft penetrates through the gearbox body and is attached to the inner wall of the gearbox body to be provided with a first gear; a change gear is arranged on the inner wall of the gearbox body and is meshed with the first gear; a second gear is overlapped at the center of the variable gear; a third gear meshed with the second gear is arranged on the inner wall of the gearbox body, a trolley operation opening is welded to the third gear, and the other end of the trolley operation opening penetrates through the gearbox body. According to the automatic car shaking device for the high-voltage circuit breaker, the technical problems of manually operating a circuit breaker trolley by a worker, improving the power failure and transmission operation efficiency, reducing the body burden of the worker and reducing the operation risk are solved.

The utility model discloses an anion reaction system of a bisphenol A device, which comprises a first safety valve discharge buffer tank, a first reactor discharge tank, a first feed heater, a first anion reactor, a catalyst modulation mixer, a third anion reactor and a first discharge filter, a first outlet pipeline of the first anion reactor is connected to an inlet of a first reactor discharge tank; a second outlet pipeline of the first anion reactor is connected to an inlet of the first discharging filter; a first outlet pipeline of the first feeding heater is connected to an inlet of the first anion reactor; and a first inlet pipeline of the first safety valve discharge buffer tank is connected to an outlet of the first anion reactor. When the adsorbent of the anion reactor of the device is inactivated, the device can be directly switched to operate on the third anion reactor without stopping, so that the production of the device is not influenced by the deactivation of the adsorbent, and the stopping of the device due to the replacement of a catalyst is avoided.

This application provides a path planning method and related equipment for dynamically connecting memory-based parking cruise and automatic parking. The method includes: acquiring a target memory path, which includes a cruise trajectory generated during the learning phase and a parking trajectory corresponding to the target parking space; generating a real-time driving trajectory during cruise replication based on the cruise trajectory, and determining the degree of overlap between the real-time driving trajectory and the cruise trajectory; based on the degree of overlap, determining, or re-generating, a target connection trajectory that connects with the parking trajectory and satisfies kinematic continuity constraints, from the real-time driving trajectory; and controlling the vehicle to enter the automatic parking phase from the cruise phase based on the target connection trajectory and the parking trajectory to complete the vehicle parking in the parking space. This application eliminates the physical dependence of pause actions or fixed switching points on the transition from the cruise phase to the automatic parking phase, avoids the parking process introduced by phase switching, and improves the continuity of parking task path connection and parking execution efficiency.

The utility model relates to the technical field of drying equipment, and provides a pretreatment device of an analyzer for hydrogen production, which is arranged at the front end of the analyzer and comprises a gas-liquid separation tank for separating moisture in gas to be analyzed; the drying pipe is connected to the gas outlet of the gas-liquid separation tank and is used for drying the gas to be analyzed; wherein a liquid outlet in the bottom of the gas-liquid separation tank is sequentially connected with a first valve, a water storage tank and a second valve; in the hydrogen production process, the first valve is normally opened, and the second valve is normally closed; when the water storage tank discharges water, the first valve is closed, and the second valve is opened. According to the utility model, the water storage tank is arranged at the liquid outlet at the bottom of the gas-liquid separation tank, so that the gas-liquid separation tank does not store water, online drainage can be carried out in time under the condition that the measurement of an analyzer is not influenced, the problem of shutdown of a hydrogen production device is avoided, and the maintenance cost is reduced.