46results about How to "Affect the safety of use" patented technology

The invention discloses a method for blocking a large-pipe-diameter rainwater pipeline through a short air bag. The method includes the following steps that firstly, the pipeline is strengthened, and a foundation pit is excavated; secondly, impurities are removed; thirdly, the short air bag is arranged, and fixing is firm; fourthly, the short air bag is connected with an air compressor; fifthly, a three-way air valve is checked; sixthly, pressurizing and inflating are conducted; seventhly, sealing is achieved; eighthly, after work is completed, the three-way air valve is adjusted, and exhausting is conducted; ninthly, the short air bag is pulled out. According to the method for blocking the large-pipe-diameter rainwater pipeline, the short air bag is used for blocking the drain pipeline, the problems that that great danger exists in the brick wall detaching work, blocked residues can be hardly removed thoroughly, rubbish mixed in fluid in the pipeline may block the pipeline, and the use safety of the pipeline is affected are solved, the purchase cost and the use cost are saved, the time cost of the construction progress is saved, various costs are reduced, the construction cost is reduced, the economic benefits are improved, underground unmanned work is achieved, the safety of workers is ensured, and the construction period is shortened.

The invention discloses a concrete hopper. The concrete hopper includes a hoisting hole, a slurry outlet, a vertically reinforced steel plate, and a hopper body. The hopper body is welded with a transversely reinforced channel steel. The hopper body is connected to the truss base through the transversely reinforced channel steel. The truss base The seat is made of channel steel and steel pipe. The lower end of the pulp outlet is equipped with a movable fan-shaped plate. The pulp outlet is set opposite to the fan-shaped plate. The slurry opening moves, and the advantage of the present invention is that a truss base is added to the concrete hopper, and the load applied to the steel bars at the bottom of the dispersing hopper reduces the deformation of the steel bars.

The invention discloses an accommodation ladder control and driving system and a method. The system comprises a power motor for driving a ladder overturning device to collect or put down an accommodation ladder through forward rotation or reverse rotation, a control valve for controlling forward rotation or reverse rotation of the power motor and provided with a control and driving loop between the control valve and the power motor, and a control valve arranged on the control and driving loop between the power motor and the control valve for controlling connection or disconnection of the control and driving loop; when the accommodation ladder is collected in place, the accommodation ladder extrudes a valve rod of the control valve, so that the control valve works to cut off the control and driving loop, and the power motor is immediately stopped working; the valve position of the control valve is changed through the accommodation ladder extruding the valve rod of the control valve in the collection in-place process; and the control valve is controlled to cut off a working medium conveying loop of the power motor, so that the power motor stops collecting of the accommodation ladder, and damage to the steel cable or accommodation ladder structure by continuous rotary tightening of the steel rope connected with the accommodation ladder through the power motor after collection in place of the accommodation ladder is prevented.

The invention discloses a loader bucket machining device, and belongs to the technical field of engineering machinery. The loader bucket machining device comprises a mounting frame, a machining fixing assembly, a different-direction grinding assembly and a multi-angle welding assembly, wherein the mounting frame is horizontally arranged on the ground; the machining fixing assembly is arranged at the top of the mounting frame; a machining and cleaning assembly is arranged at the top of the mounting frame; the air outlet end of the machining and cleaning assembly faces the top of the mounting frame; the different-direction grinding assembly is horizontally arranged on one side of the mounting frame and comprises a swing part and a grinding part; the grinding assembly is arranged on the swing part; the multi-angle welding assembly is arranged on the other side of the mounting frame and comprises a moving part, a lifting part and a welding part; the moving part is horizontally arranged on the ground; the lifting part is arranged on the moving part; and the welding part is rotationally connected onto the lifting part. According to the loader bucket machining device provided by the invention, a bucket can be machined in different directions.

The invention relates to the technical field of forestry seedlings, in particular to a low-carbon and energy-saving forestry seedling raising device which comprises a cultivation frame, a sliding structure is mounted on the cultivation frame, a moving structure is mounted on the sliding structure, a positioning structure is mounted on the sliding structure, and a fixing structure is mounted on the cultivation frame. A supporting structure is mounted on the cultivation frame, and a limiting structure is mounted on the supporting structure; the sliding structure is installed on the cultivation frame, meanwhile, seedlings on the high layer can be taken down through cooperation of the sliding structure and the moving structure, workers are prevented from falling and being hurt when climbing to the high position to take the seedlings, the seedling taking-out efficiency can be improved, the positioning structure is installed on the sliding structure, meanwhile, through cooperation of the positioning structure and the fixing structure, the seedling taking-out efficiency is improved, and the seedling taking-out efficiency is improved. The seedlings taken out of the cultivation frame and the seedlings placed in the cultivation frame can be conveniently fixed and placed.

The invention relates to the technical field of electronics, and provides electronic equipment and a charging current adjustment method therefor. The charging current adjustment method comprises the steps of obtaining current luminance of a screen of the electronic equipment; detecting whether the battery of the electronic equipment is in a charging state or not; and if the battery of the electronic equipment is in the charging state, adjusting the charging current to be matched with the screen luminance according to a preset corresponding relation between the screen luminance and the charging current by combination with the current luminance. By adoption of the way, the problem of influence to the service life and electric energy storage capability of the battery caused by serious heating of the electronic equipment due to relatively high screen luminance can be prevented.

The invention provides a defrosting method and a water heater. The defrosting method comprises the steps that the heating operation time of a compressor in the water heater is obtained; whether to enter a defrosting mode or not is determined according to the heating operation time; after it is determined that the water heater enters the defrosting mode, the environment temperature and the temperature of an outdoor coil pipe in the water heater are obtained; and defrosting is carried out according to the environment temperature and the temperature of the outdoor coil pipe. According to the defrosting method, after the defrosting mode is determined according to the heating operation time of the compressor, it is indicated that an evaporator possibly has the frosting problem, whether the evaporator has the frosting problem needs to be further determined, and then the environment temperature and the outdoor coil pipe temperature are obtained, so that whether the evaporator has the frosting problem or not is further determined according to the environment temperature and the outdoor coil pipe temperature, if it is determined that the evaporator has the frosting problem, defrosting is carried out, that is, defrosting is carried out when it is determined that the evaporator has the frosting problem, accurate control over defrosting is achieved, the problem of frost-free defrosting is avoided, and therefore the existing problem of resource waste is avoided.

The invention discloses a garden building dehumidification and dust removal device, and belongs to the field of garden buildings. The garden building dehumidification and dust removal device comprisesa moving vehicle, a lifting column is arranged on the moving vehicle, a horizontal telescopic rod is arranged on the side wall of the bottom end of the lifting column, a vertical telescopic rod is arranged on the horizontal telescopic rod, a scraper knife is detachably installed on the vertical telescopic rod, a lifting column is arranged at the top end of the lifting column, the upper surface ofthe lifting column is connected with the center of a double-head telescopic rod, a rotating motor is installed at one end of the double-head telescopic rod, a cleaning brush head is installed on an output shaft of the rotating motor, a draught fan and a dryer are installed at the other end of the double-head telescopic rod, a water tank is arranged on the moving vehicle and provided with a waterpumping pipe, the outlet end of the water pumping pipe communicates with one end of a connecting hose, and a water spraying disc is arranged at the other end of the connecting hose. According to the garden building dehumidification and dust removal device, moss and the like generated on the bottom end ground and the side wall of the bottom surface of a garden building can be shoveled away conveniently, dust, dirt and the like on supporting columns of the garden building can be removed easily, the garden building is prevented from being corroded by water vapor, the safety and quality of the garden building can be guaranteed easily, and the attractiveness of the garden building is guaranteed.

The invention provides a construction waste regeneration treatment system and a treatment method thereof. The construction waste regeneration treatment system comprises a metal detection unit, a sorting unit, a crushing unit, a washing and filtering unit, a conveying unit and a precipitation unit. The construction waste regeneration treatment method comprises the following steps of metal detection, sorting, coarse crushing, water separation and filtering, precipitation and purification, conveying, fine crushing, and secondary water separation and filtering. According to the construction wasteregeneration treatment method, concrete is subjected to washing and filtering after coarse crushing and fine crushing, after concrete waste particles are put into water, loose parts and weathered parts in concrete waste are converted into smaller particles in water, then the concrete waste is filtered through a filter screen, infirm parts in the concrete waste can thus be effectively removed, andthe situation that the strength of the concrete waste serving as concrete aggregate is affected, and consequently the strength and the using safety of the concrete are affected is avoided.

The invention relates to a battery and electronic equipment. The battery comprises a first shell and a second shell; part of the second shell is arranged on the inner side of the first shell, and a first sealing part is arranged between the first shell and part of the second shell; a second sealing part is arranged on the outer side wall of the second shell, a gap is formed between the second sealing part and the first sealing part, a conductive part is arranged on the gap, and the conductive part is electrically connected with the second shell at the gap; and the first shell is provided with a crimping part, when the battery is in a first state, at least part of the end part of the crimping part abuts against the second sealing part, and when the battery is in a second state, the crimping part is configured to be electrically connected with the conductive part.

The invention relates to a multifunctional exhaust fan for a bathroom. The multifunctional exhaust fan mainly comprises an exhaust fan shell, tempered glass and a copper-core electric wire. A metal sliding rail is fixedly arranged on the outer side of the exhaust fan shell, and the tempered glass is fixedly arranged on the outer side of the exhaust fan shell. LED lamp beads are arranged in the inner part of the exhaust fan shell, and the copper-core electric wire is connected with the outer side of the exhaust fan shell. A waterproof screen window is arranged on the outer side of the exhaust fan shell, and a water collecting tank is arranged under the waterproof screen window. A driving motor is arranged in the inner part of the exhaust fan shell, and smoke exhaust fan blades are fixedly arranged on the outer side of the driving motor. A plastic backboard is arranged on the outer side of the exhaust fan shell. The multifunctional exhaust fan adopts the LED lamp beads and the tempered glass and prevents water vapor from seeping into the LED lamp beads through the tempered glass, thereby ensuring the normal use of the LED lamp beads and enabling the LED lamp beads to be not easy to damage. The e LED lamp beads are used to illuminate the darker environment of the bathroom, and therefore the convenience of daily use and closing is increased.

The invention relates to a multifunctional basketball stands for stadium training. The multifunctional basketball stands comprises a base, a sleeve and a first driving air cylinder, a supporting rod is arranged in the sleeve, the first driving air cylinder is connected with the supporting rod, a basketball stands body is arranged at the end part of the other end of the sleeve, two first sliding grooves are vertically formed in the two sides of the center of the front face of the basketball stands body correspondingly, a basketball positioning plate with an electronic level meter is horizontally fixed between the two first sliding grooves, a funnel-shaped basketball net is arranged on the basketball positioning plate, two basketball grippers are hinged to the two sides of the lower part ofa net frame of the basketball net correspondingly, the two basketball grippers are mutually matched to constitute a clamping opening, a sensor is arranged on the inner side of the upper part of the net frame of the basketball net, second driving air cylinders for driving the basketball positioning plate to work are fixed to the two sides of the basketball stands body correspondingly, a display screen is movably connected to the back face of the basketball stands body, and a controller provided with a USB interface and controlling the whole equipment to work is arranged on one side of the base.According to the multifunctional basketball stands, multiple functions are achieved, and the number of use occasions is increased.

The invention discloses an environment-friendly healthy PE bottle which comprises a bottle body. The bottle body comprises an outer protecting layer, a matrix main body, an inner protecting layer anda protecting film. The right side of the outer protecting layer is fixedly connected to the matrix main body, the right side of the matrix main body is fixedly connected to the inner protecting layer,the right side of the inner protecting layer is fixedly connected to the protecting film, and the outer protecting layer comprises a wear-resistant layer and an anti-adhesive coating. By means of thebottle body, an upper screw cap, a bottom protecting layer, the outer protecting layer, the matrix main body, the inner protecting layer, the protecting film, a wear-resistant layer, the anti-adhesive layer, a first isolating layer and a second isolating layer, the device can achieve environment-friendly healthy function, and solves the problem that a PE material bottle in an existing market doesnot has the environment-friendly healthy function and has a phenomenon that toxic and harmful substances leak still when storing articles to affect the safety of the stored articles, and the PE material bottle is common in sealing effect when storing the articles and is not used by a user favorably.

An elevator guide rail fixing structure comprises an elevator guide rail and a guide rail pressing weight used for fixing the elevator guide rail on a guide rail support, installation parts are symmetrically formed on the side, close to the guide rail support, of the elevator guide rail, and the two installation parts are symmetrically arranged to be of an inverted-T-shaped structure relative to the elevator guide rail. A first anti-disengagement assembly is arranged on the side, back on to the guide rail support, of each installation part, each installation part is correspondingly provided with one guide rail pressing weight used for fixing the elevator guide rail to the guide rail support, and each guide rail pressing weight is provided with a second anti-disengagement assembly corresponding to the corresponding first anti-disengagement assembly. The first anti-disengagement assembly and the second anti-disengagement assembly are matched with each other to form a nested anti-disengagement structure, the guide rail pressing weight is fixedly connected with the guide rail support through the fixing piece, the guide rail cannot be disengaged from the pressing weight, and elevator safety is guaranteed.

The invention discloses a mask covering film placing device which comprises a frame body, a cutting base is arranged on the frame body, a winding roller and a driving motor used for driving the winding roller to rotate are arranged at the front end of the cutting base, an unwinding roller is arranged at the rear end of the cutting base, and the winding roller and the unwinding roller are connected through a transparent covering film. A cutting groove is formed in the position, below the transparent covering film, of the cutting base, cutting-off teeth are arranged on the cutting groove in the circumferential direction, a containing frame is arranged on one side of the cutting base, pressing plates are stacked in the containing frame, and a holding frame used for being held by the hand is arranged on the pressing plates. The structure is simple, the mask can be conveniently placed and positioned after being taken off, and the mask is prevented from falling off or being polluted in a canteen.

The invention discloses an electrical automation power distribution cabinet safety emergency system and device, and the system comprises a PLC data analysis unit, a battery module, a power failure sensor, an electromagnetic lock module and a power distribution cabinet body, the electromagnetic lock module is fixed on the power distribution cabinet body, and the PLC data analysis unit and the battery module are located in the power distribution cabinet body. A turntable seat is fixed on the surface of one end of the power-off sensor, and a back frame is arranged on the turntable seat; through the designed power-off sensor, the battery module, the remote control power switch and the PLC data analysis unit, when the electromagnetic lock module does not supply power, the power-off sensor cannot sense an electric field generated by the electromagnetic lock module at the moment, a monitoring signal of the power-off sensor is transmitted to the PLC data analysis unit, so that the line state of the remote control power switch is in an on state, and the power-off sensor is in an off state. The battery module supplies power to the electromagnetic lock module emergently, so that the electromagnetic lock module reaches a normal working state, safety accidents caused by manual forcible entry in a traditional power failure state are effectively avoided, and safety emergency is achieved.

The invention discloses a fault computer processing method and processing system, and the system comprises an online synchronization server, a software detection module, a hardware detection module, a network detection module, and a standby computer, and the output ends of the software detection module, the hardware detection module, and the network detection module are electrically connected with the connection part of the online synchronization server. The output end of the online synchronization server is unidirectionally and electrically connected with the input ends of the standby computers, the number of the used standby computers is not less than three, and the hardware and software use environment of the standby computers is the same as that of normally used computers. According to the method, through the online synchronization server, the software detection module, the hardware detection module, the network detection module and the standby computer, the system can achieve the advantages of intelligence and convenience, and solves the problems that equipment cannot be used and office use of a user is affected due to faults of the computer in the use process; and even data loss of the computer is caused in the maintenance process, and the use of a user is influenced.