43results about How to "Reduce the chance of security incidents" patented technology

The invention discloses an intelligent steel bar straightening and cutting mechanism, which is used for straightening and cutting steel bars. The controller, the straightening mechanism includes a casing provided with a second material inlet and a second outlet, a driving roller installed inside the casing, a driven roller used in conjunction with the driving roller, and a drive roller for driving the rotation The motor, the PLC controller is connected with the motor. The invention realizes the straightening, cutting, length measurement and counting of steel bars through the PLC controller, and effectively realizes building intelligence; through the cooperative use of the infrared receiving device and the infrared emitting device, the counting of the number of steel bars is effectively realized; through active The number of circles of the circular motion of the roller can effectively calculate the length of the steel bar; the structure is simple and practical, and at the same time it can effectively reduce the probability of safety accidents during the straightening process.

A tire pressure monitoring method comprises the steps of collecting tire pressure information when a tire (100) is in contact with the ground during rotation; acquiring a deformation amount of the tire (100) according to the tire pressure information; and calculating Equivalent radius of the tire (100) according to the deformation amount ; and calculating the slip ratio of the tire (100) accordingto the equivalent radius. According to the slip rate, the safety factor of the tire can be understood. For example, when the slip ratio exceeds a preset range, the tire has a low safety factor and needs to be repaired or replaced to reduce the probability of a safety accident. The invention also relates to a tire slip ratio calculation device, a vehicle anti-lock braking system, a vehicle including the system, and a device having storage function.

The invention discloses a lane departure pre-warning method, instrument and system. The lane departure pre-warning method consists of the following steps: obtaining a facial image of a driver collected by a rearview collection unit of a vehicle, a lane departure image collected by a forward-looking collection unit and a turn signal lamp state collected by a turn signal lamp signal collection unit; when it is detected that the vehicle is off track and a turn signal lamp of the vehicle is not on, giving a warning of lane change based on the facial image and the direction in which the vehicle deviates from the lane. The lane departure pre-warning method has the advantages of increasing the accuracy of vehicle lane change pre-warning and reducing the probability of traffic accidents.

The invention discloses a lost foam casting method of a casing of a full-automatic lock for a container. The lost foam casting method comprises the following steps of preparing a casting-shaped model from a foaming material, building a model cluster, putting the model cluster into a sandbox, carrying out vibration molding by binder-free dry sand, carrying out improvement on strength of the binder-free dry sand filling a cavity by vacuum negative pressure so that the binder-free dry sand has enough strength, carrying melting and pouring, taking out a casting from the binder-free dry sand without residual strength, carrying out normalizing, and then carrying out shot blast to obtain finished products. Through the lost foam casting method, a foam gas generation amount can be centralizedly controlled by a vacuum system; a casting is easy to be taken out from a sandbox; modeling sand can be recycled; multiple processes of production are suitable for mechanized production; paint use amounts can be controlled according to product conditions; and a total production cost can be reduced.

The invention provides an organic waste disposal system which comprises a feeding device, a reaction device and a tail gas emission device, wherein a water seal device is arranged between the feeding device and the reaction device; the water seal device comprises a water tank, a gland and a movable cover; a feeding port of the reaction device penetrates through the bottom part of the water tank and is fixedly connected with the water tank; the gland is reversely buckled in the water tank; a through hole corresponding to the position of the feeding port is formed in the top part of the gland; the movable cover is arranged between the water tank and the gland; a side wall arranged on the bottom surface of the movable cover in the direction near the feeding port is opened; the movable cover does reciprocating motion at the upper part of the feeding port, so that the feeding port and the through hole are communicated and isolated; a seal strip is further arranged on the position where the opening position of the side wall of the movable cover and the inner wall of the water tank are in contact, therefore, the feeding port is completely sealed when the movable cover plays a role of isolating. According to the organic waste disposal system, continuous operations of feeding and processing the waste are realized, the pollution to the outside environment, caused by the gas, is alleviated, and the occurrence of an explosion accident is also avoided.

The invention provides a tower crane hook safe state monitoring device and a control method. The monitoring device comprises a data processing unit, a three-dimensional user interactive interface, a motor rate detector, a motor brake, a barrier distance sensor, a hanging object plane geometric dimensioning monitoring device and a hanging object gravity sensor; the barrier distance sensor, the hanging object plane geometric dimensioning monitoring device, the hanging object gravity sensor, the motor rate detector, the motor brake and the three-dimensional user interactive interface are all connected with the data processing unit; the control method includes seven steps; and the tower crane hook safe state monitoring device and the control method have the beneficial effects that the position condition of barriers around a hook can be judged according to the sensor; and through data analysis and processing, a three-dimensional model of a hooked object and the barriers is built, the hooked object and the barriers are visually displayed to a tower crane operator through the three-dimensional user interactive interface, accidents caused by wrong selection of reference substance are prevented.

The invention discloses a pole climbing robot comprising a first connecting rod, a second connecting rod, a first supporting plate, a second supporting plate, a first moving rod, a second moving rod,a first shaft bracket, a second shaft bracket, a first lifting rotating wheel, a second lifting rotating wheel, a lifting motor, a rotating wheel and a first motor. A first buffer spring is arranged on the first connecting rod and a second buffer spring is arranged on the second connecting rod; the first supporting plate is provided with a first sliding portion and a second sliding portion, wherein the first sliding portion is clamped out of the first buffer spring, and the second sliding portion is clamped out of the second buffer spring; the second supporting plate is provided with a third sliding portion and a fourth sliding portion; the first moving rod is arranged at one side end of the first supporting plate and the second moving rod is arranged at the other side end of the first supporting plate; the lifting motor drives a first transmission shaft to rotate, the rotating wheel is used for rotating along a telegraph pole, and the first motor drives the rotating wheel to rotate. Through the method, the pole climbing robot can climb the telegraph pole automatically, safety is high and the accident rate is low.

The invention discloses a safe pole climbing lifting mechanism for aloft work. The safe pole climbing lifting mechanism for aloft work comprises a first supporting plate, a second supporting plate, afirst connecting rod, a second connecting rod, a first moving rod, a second moving rod, a first shaft bracket, a second shaft bracket, a first lifting rotating wheel, a second lifting rotating wheel,a lifting motor and a first brake mechanism, wherein the first connecting rod is arranged at one side ends of the first and second supporting plates in a penetrating manner; the second connecting rodis arranged at the other side ends of the first and second supporting plates in a penetrating manner; the first moving rod is arranged at one side end of the first supporting plate; the second movingrod is arranged at the other side end of the first supporting plate; the first shaft bracket and the second shaft bracket are arranged on the second supporting plate in a spaced manner; the first lifting rotating wheel and the second lifting rotating wheel are arranged between the first shaft bracket and the second shaft bracket; the lifting motor is connected to a first transmission shaft to drive the first transmission shaft to rotate through the lifting motor; and the first brake mechanism is connected to one end of the first transmission shaft to control the first transmission shaft to rotate or stop. In this way, the lifting mechanism disclosed by the invention can drive a pole climbing robot to climb a telegraph pole automatically, is high in safety and low in accident probability.

The invention provides a temperature control device, a temperature compensation method, a temperature compensation device and a terminal. The temperature control device comprises a battery and / or a charging terminal, a temperature detection element, a control chip and a temperature control semiconductor, wherein the temperature detection element makes contact with the battery and is used for detecting the temperature of the battery; the control chip is connected with the temperature detection element and used for detecting the relation between the temperature of the battery and a first preset temperature and / or a second preset temperature when receiving the temperature of the battery; the temperature control semiconductor is arranged in a heat exchange area of the battery and connected to the control chip and used for determining whether to perform temperature compensation on the battery according to a detection result of the control chip; the first preset temperature is higher than or equal to the second preset temperature. With adoption of the technical scheme, the charging time can be shortened, the charging volume of the battery can be increased, the standby time and use time of the terminal can be prolonged, and the use experience of a user is improved.

The invention discloses a lost foam casting method of a twist lock shell for containers, comprising the following steps of: firstly making a foaming material into a casting shape, forming a die cluster, putting into a sandbox and using binder-free sand for vibrating compaction, making the dry sand for filling a cavity to possess enough strength by the utilization of vacuum negative pressure, melting and pouring, taking out the cast from the modeling sand without residual strength, normalizing, and carrying out shot peening treatment to obtain the finished product. According to the invention, gas forming amount can be processed in a vacuum system; the cast is easy to take out from the sandbox; the modeling sand is repeatedly usable; a plurality of links during the production process are suitable for mechanized production; the application amount of a paint can be controlled according to the case of the product; and the total production cost can be reduced.

The invention discloses a safety pole-climbing lifting mechanism for aerial operation, comprising: a first support plate; a second support plate; a first connection rod that is passed through one endof the first support plate and one end of the second support plate; a second connection rod that is passed through the other end of the first support plate and the other end of the second support plate; a first moving bar arranged at one end of the first support plate; a second moving bar arranged at the other end of the first support plate; first and second shaft carriers arranged on the second support plate in spaced manner; first and second lifting rotating wheels arranged between the first and second shaft carriers; a lifting motor connected with a first transmission shaft such that the same is driven to rotate by the lifting motor; a first braking mechanism connected with one end of the first transmission shaft such that the first transmission shaft is controlled to rotate or stop. Through the above approach, the safety pole-climbing lifting mechanism for aerial operation can automatically drive a pole-climbing robot to climb a utility pole, and has high safety and low occurrencerate of safety accidents.

The invention belongs to the technical field of screening, particularly relates to an oil-free direct-driven vibrating screen and a mounting method thereof, and solves the technical problems of unreasonable design and the like in the prior art. The oil-free direct-driven vibrating screen comprises a vibrating screen frame which is fixed on an elastic supporting mechanism and is obliquely arranged, at least one vibrating motor is mounted above the two sides of the vibrating screen frame, a vibrating motor arranged above one side of the vibrating screen frame and a vibrating motor arranged above the other side of the vibrating screen frame are oppositely arranged, an output shaft of each vibrating motor is provided with an eccentric block and a universal coupling, with the two ends correspondingly connected to the output shafts of two vibrating motors which are oppositely arranged, which is transversely arranged above the vibrating screen frame in the width direction. The vibrating screen has the advantages of being simple in operation and maintenance and more compact in structure.

The invention relates to sucrose polyoxypropylene and a synthetic method thereof, and belongs to the technical field of organic compounds. The synthetic method includes: taking sucrose and propylene oxide as raw materials, adding the sucrose, catalyst and ether solvent into a reaction kettle, performing vacuum pumping, and heating up in nitrogen protection till the sucrose is completely dissolved in the ether solvent; adding a chain extension agent, heating up to perform polyreaction of the sucrose polyoxypropylene prior to cooling, and subjecting crystallization mother liquor to normal pressure or decompression rectification to separate ether solvent which can be applied to a next reaction process. The method is applied to synthesis of the sucrose polyoxypropylene, realizes high yield and high hydroxyl value, and ensures that the color value is under 30, and the requirements on both degree of polymerization and color value can be met.

The invention relates to the technical field of cement pole production, in particular to tapered cement pole shaping and manufacturing equipment. The equipment comprises a bottom plate and a cement pole mold composed of an upper mold and a lower mold, the two ends of the bottom plate are provided with a centrifugal machine capable of reciprocating in the vertical direction and a hydraulic push rod, one end of the cement pole mold is rotationally connected with the output end of the centrifugal machine, the other end of the cement pole mold is movably connected with the output end of the hydraulic push rod, a plurality of first rolling wheels and second rolling wheels which play a supporting role are further arranged below the cement pole mold, and the upper mold and the lower mold are arranged in a mirror symmetry mode and can turn over by 180 degrees through a rotary connecting device. According to the tapered cement pole shaping and manufacturing equipment, the centrifugal machine, the hydraulic push rod and a hydraulic cylinder are creatively integrated in one equipment, the production efficiency of cement poles is greatly improved, the automation degree is high, manual labor is reduced, and the probability of safety accidents in production is reduced.

The invention discloses a machine manufacturing drilling machine with a fixed base; bolt holes are fixedly formed in the four corners of the upper end face of the fixed base. The upper end face of thefixed base is fixedly connected with a supporting column. A workpiece fixing device is fixedly connected to the middle of the side end face of the supporting column. The workpiece fixing device comprises a movable fixing plate, a threaded hole, a limiting column, a connecting column, a threaded clamping groove, a threaded column, a fixed clamping groove, piston clamping grooves, a fixed main bodyand a movable groove; the movable groove is formed in the upper end surface of the fixed main body; the movable fixing plate is slidably connected to the interior of the movable groove through the connecting column; the threaded hole is formed in the upper end face of the movable fixing plate, the limiting column is slidably connected to the upper end face of the movable fixing plate, the fixed clamping groove is formed in the side, away from the movable groove, of the upper end face of the fixed main body, and the piston clamping grooves are formed in the two sides of the interior of the fixed clamping groove. The drilling machine can provide good fixing performance for the workpiece, and meanwhile the safety performance of the device is greatly improved.

The invention discloses a tire pressure monitoring method. The method comprises: collecting tire pressure information when the tire is in contact with the ground during the rotating process; acquiringa tire shape variable according to the tire pressure information; and calculating an equivalent radius of the tire according to the shape variable; calculating the slip rate of the tire based on theequivalent radius. By calculating the tire pressure information, the method calculates the tire radius according to tire deformation reflected by the tire pressure information and further calculates the slip rate of a tire. According to the slip rate, a safety coefficient of the tire can be known. For example, when the slip ratio exceeds the preset range, the tire has a low safety factor and needsto be repaired or replaced to reduce the probability of a safety accident. The present application also provides a tire slip rate calculating device, a vehicle anti-lock braking system, a vehicle including the same, and a device having a storage function.

The invention discloses a neopentyl glycol oxyalkylation synthetic method comprising the steps that: neopentyl glycol in market is adopted as a raw material; one or more selected from epoxy-modified alkaline catalysts acidic catalysts are added to the raw material; alkoxy monomers are adopted as a chain extending agent; the mixture is subject to a reaction under the existence of a solvent; when the reaction is finished, the solvent is removed and recovered by vacuum, and neopentyl glycol alkoxylated ether is prepared; and the solvent can be reused. The method provided by the invention is advantaged in simple technology, suitability for industrial implementation, good product quality, and stable product stability.

The invention discloses a lost foam casting method of a central lock body for a container. The method comprises the following steps: 1, preparing blanks with the shape of a cast from a foam material; 2, constituting the blanks into a blank cluster; 3, putting the blank cluster in a sandbox; 4, carrying out vibration molding with binder-free dry sand; 5, utilizing a vacuum negative pressure to make the dry sand in a filling cavity have enough strength; 6, smelting-casting; 7, removing the cast from molding sand without retained strength; 8, normalizing; and 9, shot-blasting to obtain a finished product In the invention, the foam foaming capacity can be intensively processed through a vacuum system, the cast can be easily removed from the sandbox, the molding sand can be reused, many links in the production process are suitable for the mechanical production, the paint dosage can be controlled according to cases of a product, and the total production cost can be reduced.

The invention belongs to the field of devices for removing impurities from metal liquid in the casting industry, and in particular, discloses a slag removing device for a die casting machine. The device comprises a frame; the frame is rotationally connected with two first rotating shafts; the two first rotating shafts are fixedly connected with first paddles; sleeves are fixed on outer rings of the first rotating shafts; axes of the sleeves are parallel to axes of the first rotating shafts; a V-shaped frame is arranged between the two first rotating shafts; the two ends of the V-shaped frame are slidingly connected into the two sleeves; a lantern ring sleeves the connected place of the V-shaped frame; one side of the lantern ring is fixedly connected with a connecting rod, and the other side is fixedly connected with a slag removing net; the frame above the lantern ring is vertically and slidingly connected with a slide block; the slide block is hinged to one end of the connecting rod;and the frame is provided with a driving mechanism for driving the slide block to vertically slide on the frame. The device uses automatic mechanical slag removal for replacing manual slag removal, so that the production efficiency is improved, and the accident occurrence probability is reduced.

The invention relates to the technical field of transportation management. In order to solve the problems that in an existing monitoring platform, only a transportation vehicle is positioned and monitored, and the state of dangerous goods in the transportation process is not monitored, so accidents caused by dangerous goods cannot be monitored in the prior art, the invention provides a dangerous goods transportation management system, which comprises: a monitoring module for monitoring dangerous goods parameters to obtain real-time parameter signals; the processing module that is used for processing the real-time parameter signal to obtain a real-time parameter value; a storage module in which a parameter early warning threshold value and a parameter alarm threshold value are pre-stored; the comparison module that is used for comparing the real-time parameter value with a parameter early warning threshold value and a parameter alarm threshold value; the control module that is used forsending early warning control information when the comparison module compares that the real-time parameter value is greater than the parameter early warning threshold value, and is also used for sending alarm control information when the comparison module compares that the real-time parameter value is greater than the parameter alarm threshold value; and the alarm module that is used for sending the early warning information and the alarm information.

The invention provides a tower crane hook safe state monitoring device and a control method. The monitoring device comprises a data processing unit, a three-dimensional user interactive interface, a motor rate detector, a motor brake, a barrier distance sensor, a hanging object plane geometric dimensioning monitoring device and a hanging object gravity sensor; the barrier distance sensor, the hanging object plane geometric dimensioning monitoring device, the hanging object gravity sensor, the motor rate detector, the motor brake and the three-dimensional user interactive interface are all connected with the data processing unit; the control method includes seven steps; and the tower crane hook safe state monitoring device and the control method have the beneficial effects that the position condition of barriers around a hook can be judged according to the sensor; and through data analysis and processing, a three-dimensional model of a hooked object and the barriers is built, the hooked object and the barriers are visually displayed to a tower crane operator through the three-dimensional user interactive interface, accidents caused by wrong selection of reference substance are prevented.

The invention discloses a novel transformer and a box-type substation. The transformer comprises a top cover, high-voltage access ends, ascending seats, insulating porcelain insulators, fixed parts and connecting parts, wherein the ascending seats are fixed on the top cover; the insulating porcelain insulators are fixed at the end parts of the corresponding ascending seats; the high-voltage access ends pass through corresponding through holes in the insulating porcelain insulators; an included angle between the central axial lines of the adjacent insulating porcelain insulators is an acute angle; one ends of the fixed parts jack the corresponding ascending seats while the other ends of the fixed parts press the corresponding insulating porcelain insulators; and the connecting parts are used for connecting the fixed parts and the top cover. The novel transformer and the box-type substation have the advantages of good insulating effect, high strength and the like.

The invention provides a switchgear employing gas isolation and a work method thereof. The switchgear comprises an operation panel, a switch device, a closed container, a linkage mechanism, and sensors, insulation gas is inflated in the closed container, the switch device is arranged in the closed container, an operation end of the linkage mechanism is arranged on the operation panel, a linkage end of the linkage mechanism is connected to the switch device, and the sensors display detected parameters of the insulation gas on the operation panel. The switchgear and the work method thereof are advantaged by good safety performance and small size.

The invention discloses a fire extinguishing pipe assembly, a battery heat management device, a battery system and an electric vehicle, and belongs to the technical field of electric vehicles. The fire extinguishing pipe assembly comprises: a first main pipe, WHEREIN the first main pipe is communicated with an outlet of a heat dissipation module of the battery heat management device; a second main pipe parallel to and opposite to the first main pipe, wherein the second main pipe communicates with the inlet of the heat dissipation module; and a branch pipe, wherein one end of the branch pipe is connected and communicated with the first main pipe through a first connector, the other end of the branch pipe is connected and communicated with the second main pipe through a second connector, the branch pipe is located above the anti-explosion valve of the battery module, and the branch pipe can be cut off by gas sprayed out of the anti-explosion valve. According to the battery thermal management device and the battery system, fire can be extinguished quickly at the initial stage of flame generation caused by thermal failure of the power battery, so that the probability of safety accidents can be reduced, and the battery thermal management device and the battery system can have relatively high safety.

The invention relates to a circuit breaker and a short-circuit protection method. The circuit breaker comprises a power circuit, a sampling circuit, a micro-processing unit and a driving circuit, wherein the power circuit is connected to an IGBT circuit between an input power grid end and an output load end, the sampling circuit is used for obtaining a first sampling voltage and a second samplingvoltage, the micro-processing unit is used for comparing the first sampling voltage or the second sampling voltage with a preset reference voltage value and outputting a control signal when the sampling voltage is larger than the preset reference voltage value, the driving circuit is used for controlling the power circuit to be disconnected according to the control signal. The sampling circuit isused for sampling a voltage in a power grid, and the micro-processing unit is used for comparing the sampling voltage with the preset reference voltage value and generating the control signal to control the IGBT circuit to be switched off so as to achieve an effect of short-circuit protection when short circuit occurs; and since the whole control process is synergically achieved by sampling, control and IGBT, the response is more rapid, and the probability of a safety accident is reduced.

The invention provides a box type substation. The box type substation comprises a high-voltage switch cabinet, a transformer, a low-voltage switch cabinet, a box body and a grounding apparatus, wherein a first chamber, a second chamber and a third chamber are isolated in the box body; the grounding part comprises a first part, a second part, a third part and a fourth part; the first part comprises a vertical part and a horizontal part, and the vertical part is fixed at the bottom of the second chamber and grounded; the second part comprises a vertical part and a horizontal part, and the horizontal part is partially mounted on the horizontal part of the first part; the third part comprises a vertical part and a horizontal part arranged above the horizontal part of the second part, and the horizontal part is fixed on the horizontal part of the second part and the horizontal part of the first part through a connecting piece; a grounding wire of the transformer is connected with the horizontal part of the third part; and the fourth part comprises a horizontal part and vertical parts on the two sides of the horizontal part, and the vertical parts are fixedly connected with the vertical part of the second part and the vertical part of the third part respectively. The box type substation has the advantages of high safety, small size and the like.

The invention provides a novel box transformer. The novel box transformer comprises a high-voltage switch cabinet, a transformer, a low-voltage switch cabinet and a lighting device, wherein the high-voltage switch cabinet, the transformer and the low-voltage switch cabinet are respectively arranged in a first chamber, a second chamber and a third chamber which are partitioned in a box body, the lighting device is arranged in the first chamber, the second chamber or the third chamber and comprises a support piece, a switch and a lighting lamp, the support piece is arranged at an inner side of a door frame, the switch is arranged on the support piece and is provided with an operation piece, the operation piece is used for making the switch switched off by push of a chamber door when the chamber door is closed and making the switch switched off when the chamber door is opened, the lighting lamp is fixed on an inner wall, and the switch is used for controlling the lighting lamp to be turned on and turned off. The novel box transformer has the advantages of good safety performance, small size and the like.