38results about How to "Eliminate potential safety hazards" patented technology

The invention relates to a method for controlling a cover lock of a washing machine and a control device thereof. The invention solves the problems that the prior art has poor safety. The control device comprises a control chip and a cover lock; the control chip is connected with the cover lock; a rotary sensor for detecting the rotation of a dewatering barrel; and the rotary sensor is connected with the control chip. Through the control device, the method for controlling the cover lock of the washing machine can be implemented so as to achieve the aim of accurately detecting the working state of a detection device of the washing machine and controlling the cover lock of the washing machine. The method has the following advantages: 1. as a cover of the washing machine is locked by the cover lock in the working process, hands or other body parts of a user in particular a child are forbidden to extend into the dewatering barrel, thereby removing the factor of unsafety; and when the washing machine does not operate, the washing machine can be opened in time and thus has high automation degree and saves time and labor; and 2. the control device has the advantages of simple structure, low cost, uneasy damage and long service life.

The invention relates to the field of intelligent driving technology and discloses a full-audio-frequency sensing system for an intelligent driving vehicle and an intelligent control method thereof. The system is composed of a sound sensor, an ultrasonic echo sensor, an acoustic-electrical converter, a loudspeaker, an ultrasonic generator, an electroacoustic generator, a full-audio-frequency feature recognition and classifier, and a full-audio-frequency data fusion and decision making device. The acoustic-electrical converter is connected with the sound sensor and the ultrasonic echo sensor; the full-audio-frequency feature recognition and classifier is connected with the acoustic-electrical converter; the full-audio-frequency data fusion and decision making device is connected with the full-audio-frequency feature recognition and classifier; the loudspeaker and the ultrasonic generator are connected with the acoustic-electrical converter. Therefore, a defect that the conventional vehicle intelligent driving sensing system cannot hear and understand traveling intentions from other vehicles or pedestrians is overcome; and the system is able to sense and identify a target in a visualblind zone with obstacle obscuration.

The invention discloses a multi-module automatic dismounting and mounting lifting mechanism and a lifting method. The mechanism comprises an automatic transverse moving mechanism, an automatic liftingmechanism and multiple modules; the automatic transverse moving mechanism comprises an automatic horizontal moving device and a tray; the tray is arranged on the automatic horizontal moving device, and is used for containing the modules, and the automatic lifting mechanism comprises an automatic vertical motion device and a lifting positioning plate, the lifting positioning plate is arranged on the automatic vertical motion device, multiple first male and female abut-joint devices are fixedly arranged on the upper surface of the lifting positioning plate, a fixing mechanism is arranged on theautomatic vertical motion device, the modules are of frame structures, multiple second male and female abut-joint devices are arranged on the lower end of each module, and multiple third second maleand female abut-joint devices are arranged on the upper end of each module. The lifting mechanism is combined with the automatic transverse moving mechanism, the multiple modules can be automaticallydismounted and mounted, the problem that a current high-altitude work lifting mechanism shakes at high altitude is solved, and the potential safety hazards of manual dismounting and mounting can be removed.

The invention provides a bottom plate climbing and gap bridge coal mining machine for an extremely thin coal seam. A main machine body (1), a left rocker arm (4) and a right rocker arm (9) are arranged between a conveyor (39) and a coal wall (29); the main machine body (1) is parallel to the conveyor (39); a gap bridge (21) is connected with the main machine body (1) through a positioning pin (32), a high-strength screw rod (35) and a hydraulic nut (36) to form a rigid whole body; a guide sliding shoe (30), a coal wall side flat sliding shoe (33) at the bottom of the gap bridge, an operation side flat sliding shoe (34) and a guide hook (37) are used for supporting the weight of the whole machine together; and the left rocker arm (4) is hinged to the main machine body (1) through a left rotary point (5). According to the bottom plate climbing and gap bridge coal mining machine for the extremely thin coal seam, the counter-acting force of the coal mining machine in a working process is reduced; float coal on a working surface is reduced in an actual working process and a stress state of the whole machine is optimized; and the service life of a driving part and a guide part is greatlyprolonged and the aims that one working surface is not damaged and is not overhauled are realized.

The invention relates to a bridge support deformation disease detection system. The bridge support deformation disease detection system comprises a camera, a handheld computer, a telescoping support and a tripod, and is characterized in that the camera comprises a camera working unit, a signal transmit-receive device, a pedestal and a spherical holder; the signal transmit-receive device is in wireless connection with the handheld computer to control the spherical holder to realize rotation of the camera; the working section of the camera working unit is circular, and comprises a fine definition spherical infrared lens which is arranged at the center of the working section and is provided with a CMOS image sensor, and a plurality of infrared LEDs at the edge of the working section; the camera is fixed on the telescoping support; the telescoping support comprises a support pedestal, a telescopic part, a driving mechanism and a control system; the control system is in wireless connection with the handheld computer; and the telescopic part comprises a plurality of telescopic aluminium magnesium compo pipes which are mutually telescoped. The bridge support deformation disease detection system can realize horizontal 360DEG and vertical +30DEG to -90DEG rotation of the camera, and can comprehensively detect bridge supports with different heights and in the narrow and small space.

The invention relates to a display shed. The display shed comprises a plurality of stand columns, wherein the stand columns are arranged in a rectangular shape and placed on the ground; connecting blocks are mounted on the sides, away from the ground, of the stand columns; connecting rods are mounted between the connecting blocks of the adjacent stand columns; shed cloth fixedly covers the sides,away from the stand columns, of the connecting blocks; fixing mechanisms are arranged between the stand columns and the ground; each fixing mechanism comprises a fixing bolt and a driving assembly; the fixing bolts are mounted on the stand columns and are in threaded connection with the interior of the ground; and the driving assemblies are mounted on the stand columns and used for driving the fixing bolts to rotate, and therefore the fixing bolts are disassembled and assembled on the ground, and the stand columns are disassembled and assembled. The display shed has the advantages that the stand columns can be fixed, the display shed is prevented from being scraped when strong wind blows, the accident occurrence probability is reduced, and potential safety hazards are eliminated.

The invention provides a safety test tooling, a safety test device and an application method thereof, wherein the safety test tooling comprises a tooling plate, a first signal collecting module, a second signal collecting module, a first electricity colleting rail, a second electricity collecting rail, a third electricity collecting rail, a blocking air cylinder and a control module, wherein a connector and a socket are arranged on the tooling plate, the connector is electrically connected with the first electricity collecting rail, the socket is electrically connected with the second electricity collecting rail and the third electricity collecting rail, the first, second and third electricity collecting rails are connected with a safety test instrument, the blocking air cylinder is arranged between the first electricity collecting rail and the second collecting rail, the control module is connected with the first signal collecting module, the second signal collecting module, the blocking air cylinder and the safety test instrument, and in addition, the blocking air cylinder and the safety test instrument are controlled according to signals collected by the first signal collecting module and the second signal collecting module. Through the safety test tooling, the safety test device and the application method, the production efficiency can be improved, the production cost can be reduced, the work load of employees can be reduced, and the potential safety hazards are eliminated.

The invention provides a self-powered deposit box, belongs to the field of generator application, in particular to the filed where a generator supplies power to a terminal. The self-powered deposit box solves the technical problem that a deposit box depends on an external power source and enables the deposit box not to depend on the external power source any more, and therefore a base is provided for wide distribution of the deposit box. According to the self-powered deposit box, a manual generator and an energy storage battery are used as main power sources for work of the deposit box, and therefore use of the external power source can be avoided, and the problem of depending on the external power can be solved. As is known to all, the deposit box can solve the congregation problem that one person puts objects while the other person takes the objects in the logistics process and reduces going-out frequency of people in city life, then the use of deposit box for object delivery is a component for environment protection and low-carbon life, and if the deposit boxes can be arranged widely, energy conservation and emission reduction in the city life can be promoted. According to the self-powered deposit box, in the process of manual electricity generation, people supply energy to the generator in a body-building method, the electricity process promotes green-living ideas of exercise and body building and healthy life.

The invention discloses a pulling-wire-type bicycle bell. The pulling-wire-type bicycle bell comprises a bicycle bell body, a brake handle and a pulling wire, wherein the bicycle barbell body and thebrake handle are installed on a handlebar, the bicycle barbell body comprises a bell dome, a shifting rod and a bell pulling structure, the bell dome is installed on the handlebar, and the shifting rod is installed on the bell dome; the bell pulling structure is installed on the handlebar, one end of the pulling wire penetrates through the bell pulling structure to be connected with the shifting rod, and the other end of the pulling wire is connected with the brake handle. By pinching and loosening the brake handle, the pulling wire drives the shifting rod to work, so that the bell dome givesout bell sound. The pulling-wire-type bicycle bell is simple in structure, the front bicycle brake handle which is low in using efficiency is utilized, the bicycle bell is controlled through the pulling wire of the brake handle, by pinching and loosening the brake handle, the bicycle bell body is controlled to give out sound, and the control over the bicycle bell body is more convenient and safer;when the bell is shifted, the palm does not need to be away from the brake handle at all, the situation that the part or whole of one hand of a rider is away from the handlebar to shift the bell is avoided, and hidden safety hazards that in the riding process, since the rider grips the handlebar with one hand, the balance is lost, and then accidents occur are eliminated.

The invention discloses a self-adaptation closed-loop automatic detecting platform of a breaker operation cabinet. The self-adaptation closed-loop automatic detecting platform comprises a detecting instrument and a self-adaptation circuit switching board which is connected to the circuit of the circuit board of the to-be-detected operation cabinet through a bus. The self-adaptation circuit switching board is connected with a detecting instrument circuit through a detecting node wire. The detecting instrument and the self-adaptation circuit switching board are respectively connected with a switch through respective network lines. The switch is connected with a PC installed with detecting software through a network line. The self-adaptation closed-loop automatic detecting platform has the advantages that the problems that errors occur easily during manual operations and detecting node columns are damaged easily are solved, potential safety hazard of electronic component burning is avoided, and work efficiency and detecting correctness are increased greatly.

The invention belongs to the technical field of mechanical hoisting, and particularly relates to an automatic adjusting hoisting device for a commercial vehicle. The device comprises a fixed device, amovable device and a control device, wherein the fixed device is movably connected with the movable device, and the control device and the movable device are fixed. The automatic adjusting hoisting device for the commercial vehicle is simple in structure, the hoisting inclination angle can be accurately controlled by controlling a remote controller and combining with reading displayed by an electronic angle displayer, so that the hoisting technical requirements of different inclination angles of all assemblies are met, potential safety hazards are eliminated, the hoisting inclination angle control problem is solved, the assembling efficiency is improved, the labor intensity is reduced, and the potential safety hazards are eliminated.

The invention relates to a cable test splicing fitting, and includes two insulating clamps of the same structure, a middle part of each insulating clamp is made to be a semicircular arch bridge section, left and right sides of each semicircular arch bridge section extend outwards to form side lugs, the two clamps are oppositely arranged, the side lugs at one side are mutually hinged through a hinged shaft, and the side lugs at the other side are fixedly mounted by adoption of bolts; and the two semicircular arch bridge sections form a circular wire hole, an inner wall surface of each semicircular arch bridge section is equipped with a semicircular metal plate, and an inner wall surface of each semicircular metal plate is equipped with a plurality of metal clamping pieces along an axial direction in uniform distribution. The cable test splicing fitting provided by the invention is scientific in design, reasonable in structure and convenient to use, and the splicing fitting can rapidly and effectively fix a cable end part in an electric power test process, thereby improving test efficiency, eliminating potential safety hazards, and guaranteeing normal operation of a test.

The invention discloses a full automatic shoe mold mechanical arm device which comprises a rack (9). A mold opening air cylinder (4) is mounted in the middle of the rack and is connected with a mold opening head (20), a material head propelling air cylinder (6) is further mounted in the middle of the rack and is connected with a material head loosening and tightening piece (7), and a material head lifting air cylinder (8) is mounted below the material head propelling air cylinder. A lifting air cylinder (1) is mounted on the upper portion of the rack, and a mold lifting propelling air cylinder (2) is mounted on the lifting air cylinder and is connected with a supporting roller (3). The full automatic shoe mold mechanical arm device is applied to plastic shoe forming machines, only one operator is needed, the labor intensity of the operator is small, the working efficiency is improved, production cost is lowered, and the potential safety hazard of operation is eliminated.

The invention relates to the technical field of liquid tank refueling vehicles, in particular to an intelligent integrated fuelling vehicle. The intelligent integrated fuelling vehicle comprises a chassis, a tank body, a component bin, tires, an unloading port, camera monitoring equipment, a water tank, an automatic fire extinguishing system, an alarm control system, an audible and visual alarm, a safety monitoring system, an automatic water sprinkler system, a satellite positioning system, an oil gas recovery system and an anti-overflow and anti-leaking system; and data of the camera monitoring equipment, the safety monitoring system and the satellite positioning system can be sent to a monitoring background in real time. Because the intelligent integrated fuelling vehicle has the function of automatic fire extinguishing, a fire can be automatically extinguished at the beginning stage; the intelligent integrated fuelling vehicle also has the function of wireless network transmission so that the real-time monitoring and states of the fuelling vehicle can be tele-transmitted to the monitoring background; in addition, when leaking accidents happen on the tank body, an outer tank anti-leaking protection layer can prevent an oil product in the tank from continuing leaking; and the safety monitoring system can monitor the temperatures and flames of the vehicle tires so as to prevent in advance to eliminate the safety risks.

The invention discloses a method for simply preparing a metal monatomic catalyst for efficiently decomposing hydrogen peroxide, which comprises the following steps of: mixing dicyandiamide and metal salt, heating to 450-600 DEG C in an inert gas atmosphere, keeping the temperature for 3-5.5 hours, ultrasonically dispersing, washing and drying the materials to obtain the catalyst. The metal monatomic catalyst prepared by the invention can efficiently decompose H2O2 into O2 and H2O so as to eliminate potential safety hazards caused by excess H2O2 in industrial production. The catalyst is good in stability and resistant to high temperature, shows good catalytic performance in a strong acid environment, is excellent in reusability, and can still keep stable catalytic performance after being repeatedly used for multiple times in a strong acid heating environment.

The invention discloses solvent-free waterborne polyurethane capable of being continuously produced and a preparation method of the solvent-free waterborne polyurethane, and belongs to the field of preparation of waterborne polyurethane, the solvent-free waterborne polyurethane comprises the following components in parts by weight: 50-200 parts of diisocyanate, 150-50 parts of dihydric alcohol, 1-20 parts of a micromolecular chain extender, 10-45 parts of a nonionic hydrophilic chain extender, 2-50 parts of an emulsifier and 400-1200 parts of deionized water. The method has the beneficial effects that 1) organic pollution is thoroughly eliminated from the source, organic solvent resources are saved, potential safety hazards are eliminated, and the employment environment of workers is improved; 2) the production process is optimized, heavy metal pollution is avoided, and the production cost is reduced; 3) the nonionic hydrophilic chain extender and the emulsifier are introduced at the same time, so that the electrolyte resistance is higher, the compatibility with other materials is good, and the application field is wider; and 4) multiple sets of synthesis reaction kettles are connected in series to share one set of supergravity dispersion reaction equipment, so that the equipment investment is saved, continuous automatic production is realized, and the product stability is higher.

The invention discloses a temperature monitoring system and method for a high-voltage charged body with a zero power consumption chip implantation and wireless network mode. The temperature monitoring system comprises a computer, a database, a zero power consumption chip sensor and a radio transceiver, wherein temperature-sensing elements of piezoelectric materials are integrated inside the zero power consumption chip sensor; the zero power consumption chip sensor, a thin-type chip, is integrated with an interdigital transducer and a semiconductor having a "seebeck effect" , and is pasted onto the surface of the high-voltage charged body with a heat transfer coating material as a medium. With a temperature sensing mode which is characterized in that the zero power consumption chip is directly implanted into the high-voltage charged body, the theoretical power consumption of the chip is zero, and thus defects of current sensing modes in the prior art are compensated; besides, with the adoption of a wireless network transmission mode, a full isolation is really realized. With the technical scheme, problems of insulation and power supply in temperature measuring of the high-voltage charged body are completely solved, and the high-voltage charged body can be monitored online in real time.

The invention discloses a buggy ladle with a navigation bracket. The buggy ladle comprises a buggy body, a walking transmission device, a synchronous lifting transmission mechanism and a buggy ladle seat frame, and the buggy ladle navigation bracket is arranged on one side of the buggy ladle seat frame. The buggy ladle with the navigation bracket is simple in structure, low in energy consumption, high in operation efficiency, low in production cost and capable of accurately performing navigation positioning and eliminating potential safety hazards.

The invention relates to an intelligent harvesting device for agricultural vegetable aquaculture. The intelligent harvesting device comprises a base plate, a top plate, a supporting air cylinder, a sorting device, an auxiliary device, a shearing device and a placement box; the supporting air cylinder is installed on the base plate, the top plate is installed at the top end of the supporting air cylinder, the sorting device is arranged on the top plate, the auxiliary device and the shearing device are installed at the lower end of the sorting device, the placement box is installed at the left end of the auxiliary device, the auxiliary device, the shearing device and the placement box are all installed on the base plate, and the sorting device comprises an electric sliding block, an installing plate, a lifting air cylinder, a working plate, a sorting branched chain and a guiding sliding rail. The problems that in the existing aquaculture vegetable harvesting process, the manual dependence degree is high, the labor cost is high, the working efficiency is low, and potential safety hazards exist can be solved, the functions of automatically harvesting and cutting aquaculture vegetable can be achieved, and the intelligent harvesting device has the advantages of being high in automatic degree, low in labor cost and high in working efficiency, causing no potential safety hazards and the like.

The invention discloses a neon-light electronic transformer belonging to the technical field of electronic transformers. The neon-light electronic transformer is technologically characterized by comprising a power supply input circuit, a self-oscillation oscillation circuit and an output coil L4, wherein the self-oscillation oscillation circuit comprises current bias resistors R2 and R2', feedback coils L1 and L2, a secondary coil L3, capacitors C1 and C1' and current-limiting resistors R1 and R1', wherein the feedback coils L1 and L2, the secondary coil L3 and the output coil L4 are wound onthe same magnetic core; one end of the current bias resistor R2 and one end of the current bias resistor R2' are respectively connected with collectors of two triodes T1 and T2, and the other end of the current bias resistor R2 and the other end of the current bias resistor R2' are respectively connected in parallel with a series circuit formed by the feedback capacitor C1, the feedback coil L1, the capacitor C1' and the feedback coil L2 are connected with bases of the triodes T1 and T2; and the current-limiting resistors R1 and R1' are respectively connected in series between the feedback coil L1 and the feedback capacity C1 and between the feedback coil L2 and the capacitor C1'. The neon-light electronic transformer is characterized in that the output coil L4 has a turn number from 3200 turns to 6500 turns, the capacitors C1 and C1' have the capacity of 0.33 microfarad to 2.2 microfarad, and the current-limiting resistors R1 and R1' have the resistance values of 1 ohm to 4.7 ohms. The invention has the advantages of simple structure, safety, reliability and long service life and is used for neon-light illumination and power supply.

The invention discloses an intelligent clay gun clay adding system for a casting house and a stemming filling method. The clay adding system comprises a clay gun machine, a stemming carrier, an industrial robot, an end effector, an image acquisition device and a processor. According to the intelligent clay gun clay adding system, the position data of the clay gun is obtained by adopting an image recognition mode, the stemming grabbing track of the end effector is set according to the position data, the stemming does not need to be manually and regularly placed, manual operation is not needed in the whole stemming adding process, and the operation intensity is greatly reduced; and workers do not need to operate in front of a furnace, so that the intelligent level of the casting house is improved, and potential safety hazards caused by furnace-front operation are eliminated.

The invention discloses a supporting construction technology for a deep foundation pit nearby a road on the complicated geological conditions. The technology comprises the following steps of first, carrying out foundation pit excavation to the lithosphere, and carrying out slope setting construction to form a first foundation pit; second, driving first column piles on the edge of the pit bottom ofthe first foundation pit to form first batter post supporting; third, carrying out lithosphere excavation at the pit bottom of the first foundation pit to form a second foundation pit, carrying out slope setting construction, and then carrying out anchor rod supporting; and fourth, driving second column piles on the edge of the pit bottom of the second foundation pit to form second batter post supporting. According to the supporting construction technology for the deep foundation pit nearby the road on the complicated geological conditions, supporting on the deep foundation pit is implementedin the manner of arranging anchor rod supporting between batter post supporting, the problems that supporting for a deep foundation pit nearby the road on complicated geological conditions is difficult to carry out, high in construction cost, prone to having potential safety hazard, and the like are solved, supporting construction of the deep foundation pit nearby the road on the complicated geological conditions can be implemented, and the successful practice experience is provided for the field of supporting construction.

The invention discloses a flange and a power transformation framework. The flange comprises a first flange cylinder and a first flange plate; the first flange cylinder is axially arranged into a hollow structure; the first flange plate comprises a first plate surface and a second plate surface which are opposite to each other; and the first plate surface is fixedly connected with the outer peripheral surface of the first flange cylinder. When the flange provided by the invention is used for connecting a cross beam and a supporting piece in the power transformation framework, on one hand, the number of elements of the power transformation framework can be reduced, raw materials are saved, the overall weight of the power transformation framework is reduced, transportation is convenient, andon the other hand, the connection strength between the cross beam and the supporting piece can be enhanced.