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348results about How to "Avoid safety accidents" patented technology

Stepless regulation constant tension device for hydraulic winch

ActiveCN102153027AAvoid safety accidentsMaintain system oil pressureWinding mechanismsFuel tankSafety valve
The invention discloses a stepless regulation constant tension device for a hydraulic winch, consisting of a power pump set, a reversing valve, a hydraulic motor, a winch, a one-way valve, a balance valve and a motor safety valve, wherein the power pump set is connected with an oil inlet of the reversing valve; a first oil exchange port of the reversing valve is connected with an oil return port of the balance valve; an oil inlet of the balance valve is connected with a rope folding side oil port of the hydraulic motor; a rope release side oil port of the hydraulic motor is connected with a second oil reversing port of the reversing valve; an oil outlet of the reversing valve is connected with an oil tank; a control port of the balance valve is connected with an oil path between the rope release side oil port of the hydraulic motor and the reversing valve; the one-way valve is connected between the oil inlet and the oil return port of the balance valve in parallel; the motor safety valve is connected between the rope folding side oil port and the rope release side oil port of the hydraulic motor in parallel; and the winch is connected with the hydraulic motor. The device achieves the function of keeping the tension of a steel wire rope constant when the hydraulic winch is positioned under various work conditions and can be used for carrying out remote on-line adjustment on theoutput capacity of the hydraulic winch. The stepless regulation constant tension device has the advantages of simple structure, low cost, convenience for use and high safety.
Owner:WUHAN MARINE MACHINERY PLANT

Method for installing abnormal-shape curve steel box girder

The invention discloses a method for installing an abnormal-shape curve steel box girder, belonging to the technical field of a longspan bridge. The method for installing the abnormal-shape curve steel box girder comprises the following steps of: 1. manufacturing each section of the steel box girder, pre-assembling, and detecting the lateral welding contraction amount; 2. erecting a temporary bracket, arranging a safety protection facility and a working platform on the temporary bracket, and setting a precamber of the top support of the temporary bracket; 3. measuring and positioning on a pier, hoisting the steel box girder above the working platform, controlling hoisting in position, and integrally measuring and regulating the installed steel box girder; 4. controlling the welding deformation of the steel box girder; and 5. regulating the local line of the steel box girder. The method for installing the abnormal-shape curve steel box girder, which is disclosed by the invention, is convenient to operate, is easy to implement, has the advantages of high construction efficiency, low cost and strong maneuverability, and can be suitable for installing the abnormal-shape curve steel box girder and is easy to popularize; and the installation and the line shape of the steel box girder can be better controlled, and the construction quality is guaranteed.
Owner:CHINA RAILWAY NO 2 ENG GRP CO LTD +1

Order receiving driver identification passenger method based on image identification and apparatus thereof

The invention provides an order receiving driver identification passenger method based on image identification and an apparatus thereof. The method comprises the following steps that a terminal receives order information sent by a server, wherein the order information includes a departure place address, a destination address and passenger image information of a user which user equipment UE belongs to, and the passenger image information at least includes a user face image characteristic; and when an order receiving vehicle which the terminal belongs to arrives at a destination area, the terminal acquires a positioning coordinate of the user equipment UE, acquires road image information in a preset area range and matches with the passenger image information, and if matching is successful, the terminal notifies an order receiving vehicle driver of position information of a passenger, wherein the positioning coordinate of the user equipment UE is taken as a center. By using the order receiving driver identification passenger method based on face identification and the apparatus thereof, through matching the acquired passenger image information with the road image information, the position information of the passenger is acquired so that a condition that an order receiving driver diverts attention from driving during a passenger search process so that a safety accident is generated is avoided.
Owner:BEIJING DIDI INFINITY TECH & DEV

Benchmark integration processing method and multi-directional locating block thereof

The invention discloses a benchmark integration processing method applied to a large numerical control planomilling machine and a multi-directional locating block thereof. In the invention, the multi-directional locating block provided with a plurality of locating elements, which is fixed on the large numerical control planomilling machine serves as a uniform benchmark of cutter calibration dead-center position in each processing step and the central points of the locating elements on the multi-directional locating block serve as the initial pint and the end point of the numerical control subprogram for controlling each processing step, the multi-directional locating block is composed of a datum body and a foundation, wherein the datum body is provided with a plurality of locating elements which comprise at least one locating plane and at least one locating circular orifice. In the invention, as the uniform benchmark is set, program control in the whole processing course is realized, manual operation is avoided, production efficiency and safety are enhanced, labor intensity and economic costs are lowered, safety and quality incidents are avoided, therefore the invention is especially suitable for processing large workpieces by the numerical control planomilling machine.
Owner:CSSC MES DIESEL

Lithium-ion battery with pneumatic anti-gas-expansion automatic liquid replenishing device

The invention relates to the technical field of safety of lithium-ion batteries, and discloses a lithium-ion battery with a pneumatic anti-gas-expansion automatic liquid replenishing device. The lithium-ion battery comprises a battery shell, a battery top cover board, a positive pole, a negative pole and a battery core, wherein the battery core is arranged in the battery shell; the inside of the battery shell is divided into a battery core cavity, a backup electrolyte cavity and a gas buffer cavity; the backup electrolyte cavity is filled with a backup electrolyte; a fixed partition plate is used for partitioning the battery core cavity and the backup electrolyte cavity; a pneumatic elastic film is used for partitioning the backup electrolyte cavity and the gas buffer cavity; a one-way valve A is arranged on the fixed partition plate; one-way valves B are arranged on the fixed partition plate and the pneumatic elastic film; a one-way exhaust valve is arranged on the battery top cover board; and breathable moisture absorption layers are arranged at air inlets of the one-way valve A located at the bottom of the fixed partition plate and the one-way exhaust valve. According to the lithium-ion battery with the pneumatic anti-gas-expansion automatic liquid replenishing device, the potential safety hazard caused by battery gas expansion can be effectively solved; and the electrolyte can be automatically replenished timely.
Owner:WANXIANG 123 CO LTD

Material lifting device for construction projects

The invention discloses a material lifting device for construction projects in the technical field of the construction projects. The material lifting device comprises a bottom plate, wherein the top of the bottom plate is symmetrically fixed with two sets of mounting side walls, a rotary shaft is arranged between two sets of the mounting side walls in a penetrated mode, the rotary shaft and each set of the mounting side walls are movably connected by a bearing, the right side of the mounting side wall at the right is fixedly connected with a motor mounting table, and the top of the motor mounting table is provided with a first rotating motor. The invention has strong safety in that on one hand, a lifting plate is driven to move up and down to realize the purpose of lifting by the cooperation between screw rods and inner threaded sliding blocks; on the other hand, the lifting plate is pulled by a taken-pulling wire which is driven by a taken-up wire wheel for insurance operation. When the taken-pulling wire is fractured or screw rods and inner threaded sliding blocks are broken, safe incidents can not happen due to the direct falling of the lifting plate. By means of clamping and fixing devices, materials can be clamped and fixed by the device, so that the safe incidents can be avoided due to the slide falling of materials.
Owner:安徽职业技术学院

Automatic ham sausage slicing machine for catering

The invention relates to slicing equipment, in particular to an automatic ham sausage slicing machine for catering. Therefore, the technical problem of the invention is to provide an automatic ham sausage slicing for catering, which is high in slicing efficiency, does not easily damage ham sausages and is safe. The automatic ham sausage slicing for catering comprises a bracket, supporting legs, arotating shaft, a disc-shaped shell body, a rotating disc, a funnel, a first supporting column and the like, wherein the supporting legs are arranged on the left side and the right side of the bottomof the bracket, the disc-shaped shell body is arranged on the left side of the top of the bracket, the rotating shaft is arranged at the circle center position of the disc-shaped shell body in a rotary manner, the rotating shaft is provided with the rotating disc, and the rotating disc is located in the disc-shaped shell body. The ham sausages are sliced by a slicing mechanism, an air cylinder pushes multiple slicing cutters to move right to cut off the ham sausages, thus there is no need to cut off the ham sausages manually, security accidents caused by manual operation in the slicing processare avoided, a motor rotates to drive the rotating disc to rotate, therefore there is no need to rotate the rotating disc manually, and the slicing speed is high.
Owner:义乌市旻具五金工具有限公司

Track traffic construction personnel safety early warning system and method

The invention provides a track traffic construction personnel safety early warning system and method. The system comprises a ranging module, an information processing module, an early warning module and a construction point safety boundary limiting module. The ranging module is used for detecting the distance between the construction point safety construction range boundary and a running train in real time; the information processing module is used for sending an alarming evacuating command to the early warning module and sending a personnel voidance check command to the construction point safety boundary limiting module when the distance between the safety construction range boundary and the running track reaches the safety distance threshold value; the early warning module sends out an alarming prompt according to the received alarming evacuating command; the construction point safety boundary limiting module is used for detecting the personnel evacuating condition within the safety construction range. According to the method, ranging and early warning equipment is mounted on vehicles and construction points, and when the vehicles are close, personnel are reminded of the distance between the personnel and the vehicles in real time. According to the system and method, the complete and automatic construction personnel early warning system is used for replacing an original manual alarming mode, the early warning process is accurate, timely and reliable, and safety accidents caused by personnel negligence are avoided effectively.
Owner:TRAFFIC CONTROL TECH CO LTD

Self-locking structure for elevator stall used in field of building automation engineering

InactiveCN111532934AAvoid safety accidentsBuilding intelligenceElevatorsHoisting equipmentsManufacturing engineeringBuilding automation
The invention discloses a self-locking structure for elevator stall used in the field of building automation engineering and relates to the technical field of building automation engineering. The self-locking structure comprises a mounting seat, wherein the front of the mounting seat is fixedly connected with a positioning seat; positioning cavities are formed in the positioning seat; the interiors of the positioning cavities are movably connected with self-locking blocks; self-locking mechanisms are arranged in the positioning cavities; the interior of the positioning seat is movably connected with a main winch; the front of the main winch is fixedly connected with an auxiliary winch; the outside of the auxiliary winch is fixedly connected with stopping blocks; and the back of the positioning seat is fixedly connected with a locating ring I. The self-locking structure for elevator stall used in the field of building automation engineering adopts the design of self-locking for stall, so that when an elevator breaks down to fall in a stalled manner, self-locking can be achieved timely through the structural characteristics of the self-locking structure to prevent an elevator car from falling rapidly, thus avoiding safety accidents caused by the stall of the elevator and effectively improving the safety of passengers in the elevator; and therefore, the self-locking structure is more in line with the requirements of building automation.
Owner:梧州无量科技有限公司

Winch hydraulic control system and engineering machinery

The invention relates to the technical field of engineering machinery and discloses a winch hydraulic control system and engineering machinery. The winch hydraulic control system for increasing action safety of a winch mechanism of the engineering machinery and effectively preventing safety accidents caused by weight or ladder assembly sliding down during wind brake comprises a winch motor, a motor reversing valve, a winch brake, a hydraulic control reversing valve and a switch control valve. The working oil port of the winch brake is communicated with the working oil port of the hydraulic control reversing valve. The first oil inlet, the second oil inlet and the oil outlet of the switch control valve are respectively the lifting high-pressure oil port and the descending high-pressure oil port of the winch motor and the control oil port of the hydraulic control reversing valve. When the oil pressure at the control oil port is larger than the set working pressure of the hydraulic control reversing valve, the hydraulic control reversing switches from the first working position to the second working position, wherein when the hydraulic control reversing valve is at the first working position, the working oil port of the hydraulic control reversing valve is communicated with the oil outlet, and when the hydraulic control reversing valve is at the second working position, the working oil port of the hydraulic control reversing valve are communicated with the oil inlets.
Owner:CHANGSHA ZOOMLION FIRE FIGHTING VEHICLE +1

Light aluminum alloy cable chain tightener

The invention relates to a light-small type hand hoisting traction machine, and the body of the machine comprises an external wall panel, a frame, a ratchet casing and a leading chain block, wherein the external wall panel and the ratchet casing are arranged on two sides of the frame separately, the leading chain block is arranged at the bottom of the frame, a driving mechanism is a double-geared driving mechanism, wherein a spline gear is arranged on the right side of a hoisting chain wheel, a major axis gear passes a center hole of the hoisting chain wheel and gear side of the major axis gear is rightward, a middle gear is arranged in a hole on the right side of the frame and engaged with the major axis gear and the spline gear, a brake of a dragging chain is arranged on the left side of the major axis gear via a spline, wherein friction disks and a ratchet are sleeved on the brake seat, two friction disks are arranged on two sides of the ratchet, a clutch spring is arranged between the brake seat and arresting nut, the ratchet is engaged with a pawl which is fixed on the frame via a pawl pin, in a operating mechanism, a handle and a wrench are in split clamping structure, in a tail ring limiting device, a chain through hole is arranged in the center of a positioning block, wherein a top lock is arranged at the end portion of one side of the block body, the top lock can be crewed into or crewed out from the chain through hole, and a latch groove of a collar bolt at the end of the chain is arranged at the lower end of the end portion of one side of the block body.
Owner:ZHEJIANG GUANLIN MACHINERY

Hinge device for kraut refrigerator

The invention discloses a hinge device used for a pickle refrigerator, belonging to the general structure characteristics of a refrigerator door. The invention comprises a cover forming the appearance, a compression spring which is positioned at the inner side of the cover and is used for supplying elastic force for the door damping in a certain zone, a rotation axis which is positioned at the inner side of the cover and combined with one side of the door and moves along with the rotation of the door, a slide component which is positioned at the inner side of the cover and moves forward and backward by means of the contact of the rotation axis and the compression spring, a cover cap which is positioned at the lateral side of the cover and is used for sealing the open lateral side of the cover, a clutch bulge which projects from one side to the outer flank of the rotation axis according to a certain curvature, and a clutch ring made of elastic material which is arranged at the inner periphery face of the cover cap and is selectively contacted with the clutch bulge when the rotation axis is rotated. The invention with the structure can supply convenience and safety in use, reduce production cost, improve operation efficiency and reduce noise.
Owner:TAIZHOU LG ELECTRONICS REFRIGERATOR CO LTD

Environmental security management method based on mobile internet and interactive system thereof

The invention discloses an environmental security management method based on a mobile internet and an interactive system thereof. The environmental security management method is characterized by comprising a monitor, a micro-processor, a base station, a cloud server and a plurality of mobile hand-held equipment; the monitor comprises at least one sensor and a network module, wherein the sensor is installed at a position to be monitored; the micro-processor comprises an analysis module, a storage module, a control module and a network module; the micro-processor receives a data signal sent by the sensor through the network module and sends the data to the base station through the network module; the base station comprises a wireless transceiving device and a controller; the base station sends the digital signal to the cloud server through a wireless network via the wireless transceiving device; and the mobile hand-held equipment is connected with the cloud server through the wireless network. According to the invention, enterprise environments and security information can be known in real time; unified management is realized; the supervision flow is simplified; the workload of inspectors is lightened; and the management cost is reduced.
Owner:苏州英瀚时信息科技有限公司

Vehicle braking fault diagnosis device and method

The invention discloses a vehicle braking fault diagnosis device which is used for diagnosing types of vehicle braking faults. The braking fault diagnosis device is characterized by comprising a braking detection unit which is used for detecting the stroke of a brake pedal of a vehicle, a potential detection unit which is used for detecting the potential of a braking switch main circuit and the potential of a brake switch auxiliary circuit of the vehicle, and a control unit which is connected with the braking detection unit and the potential detection unit and is used for determining the typesof the vehicle braking faults according to the stroke of the brake pedal detected by the braking detection unit and the potential of the braking switch main circuit and the potential of the braking switch auxiliary circuit detected by the potential detection unit when it is determined that the vehicle braking faults occur. The invention further discloses a vehicle braking fault diagnosis method.According to the stroke of the brake pedal of the vehicle, the potential of the braking switch main circuit and the potential of the braking switch auxiliary circuit, whether the braking switch faultsare braking switch sticking or braking circuit faults is determined, and a prompt is issued in time.
Owner:宝能(广州)汽车研究院有限公司

Subway traffic guide type LCD (Liquid Crystal Display) display interactive system

The invention relates to the field of traffic information equipment and in particular relates to a subway traffic guide type LCD (Liquid Crystal Display) display interactive system. The subway traffic guide type LCD display interactive system is composed of terminal service equipment distributed in each region and one set of center control equipment, wherein each set of terminal service equipment is composed of a display system and a No.1 wireless communication device; the display system is electrically connected with the No.1 wireless communication device; the center control equipment is composed of a background service computer and a No.2 wireless communication device; and the background service computer is electrically connected with the No.2 wireless communication device; and each display system is communicated with the background service computer through the No.1 wireless communication device and the No.2 wireless communication device. With the adoption of the subway traffic guide type LCD display interactive system, passengers can rapidly obtain needed information, and the passengers are effectively and safely guided through stereoscopic guide information, so that a phenomenon that the passengers stay in subway stations because the passengers do not know the directions is avoided, and safety accidents caused by the fact that many people make the stations congested are effectively avoided.
Owner:HUNAN YAWEN MEDIA CO LTD

Intelligent earth wire for connecting automobile emergency startup power supply with automobile storage battery

The invention discloses an intelligent earth wire for connecting an automobile emergency startup power supply with an automobile storage battery. According to the invention, an MCU is adopted as a control chip and combined with a power supply circuit, a temperature detection circuit, a voltage detection circuit, a working state prompting circuit, a load access detection circuit, a load connectionstate identification circuit, a connection control circuit and other peripheral circuits. In this way, an automobile storage battery externally connected with the earth wire can be detected. By meansof the MCU, the connection state of the automobile storage battery can be judged. Meanwhile, when the automobile storage battery is in a positive connection state, the electric connection between a first negative electrode connecting end and a second negative electrode connecting end is connected through a connection control circuit control switch. The automobile emergency startup power supply andthe automobile storage battery are connected in parallel. In this way, the formation of a short circuit at the two ends of the earth wire is avoided. Meanwhile, the occurrence of a safety accident caused by the reverse connection of the automobile storage battery is avoided, so that the product is safer and more reliable.
Owner:深圳市恒浩伟业科技有限公司
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