31results about How to "Avoid threats to personal safety" patented technology

The invention discloses a power transmission line mountain fire tripping test platform data full-automatic collecting and controlling method. A voltage adjuster power supply is started, and a voltage adjuster adjusts power transmission line voltage to a power transmission line voltage level to be simulated; measured values of voltage at the high-voltage sides of a transformer and a leakage current collecting device are transmitted to a conditioning circuit and are converted into digital signals which are then transmitted to a data collecting card; current and voltage data collected by the data collecting card are transmitted to a computer through a PCI bus, through analysis of power transmission line mountain fire tripping test soft developed based on LabView software installed in a computer, the leakage current and the power transmission lien voltage data of a power transmission line mountain fire tripping test platform are obtained; and after burning is stable, a power transmission line discharging process is observed and simulated. Data such as temperature, fuel weight, smoke concentration, flame conductivity, electron ion concentration in flame, wind speed, wind direction and current and voltage of a transmission line during power transmission line mountain fire tripping testing can be collected automatically, accurately and completely.

The invention provides a property management system based on BIM operation and maintenance. The property management system based on the BIM operation and maintenance comprises a processor, a BIM model database memory connected with the processor, various information collecting devices, a power module, a memory, a displayer and an alarm device. The property management system based on the BIM operation and maintenance is capable of, through the BIM model database memory and various information collecting devices, communicating with the processor, recording and updating information of various devices in a residential district on the whole, alarming and processing emergency events in the residential district, and communicating with owners in residential district in time.

The invention discloses a leather product material identification method based on hyperspectral imaging technology. The method specifically comprises the following steps: step 1, collecting a leather product sample; step 2, identifying the leather product sample by using a hyperspectral imaging device: scanning the collected leather product sample by using the hyperspectral imaging device, collecting a hyperspectral image, extracting a characteristic wavelength of a spectral curve of each pixel of the hyperspectral image, establishing a standard characteristic library based on the characteristic wavelengths of the collected leather product sample, establishing a verification set based on the characteristic wavelength of the leather product to be detected; step 3, establishing a set of classifiers based on multiple groups of characteristic wavelengths of different leather products in the standard characteristic library; and step 4, obtaining the material components of the leather product to be detected. The invention relates to the field of leather product identification, and particularly provides a method for identifying a leather product material based on a hyperspectral imaging technology, which can quickly, conveniently, accurately and losslessly obtain material attributes of textiles.

The invention discloses an underground engineering air purifier, which comprising a hole body, wherein a fixing seat is fixed above the hole body, a hydraulic cylinder, a support frame and a hydraulicpump are fixed above the fixing seat, the hydraulic pump is positioned between the hydraulic cylinder and the support frame, a water storage pool is arranged close to the support frame and above thefixing seat, the outer surface wall of the support frame is provided with an AT89S52 controller, a first fixing box is fixed on one end of the support frame, a hydraulic stretching rod is arranged below the first fixing box, a second fixing box is fixed below the hydraulic stretching rod, and a motor is installed inside the second fixing box. According to the present invention, the probes are arranged, the electric stretching rods stretch, the probes beat the inner wall of the hole body to puncture the gas bag formed by harmful gas accumulating, and the active carbon ring adsorbs the harmful gas, such that the problem that the worker touches the gas bag formed by the harmful gases during the underground drilling operation to cause the threat to the personal safety can be avoided.

The invention relates to the technical field of drilling line winding devices, in particular to an automatic drilling line guide device. The automatic drilling line guide device comprises an idler wheel support, an upper locating through hole is formed in the top end of the idler wheel support, a pair of upper idler wheels are arranged in the portion, below the upper locating through hole, of the idler wheel support, and an upper gap corresponding to the upper locating through hole vertically is formed between the upper idler wheels. The automatic drilling line guide device is reasonable and compact in structure and convenient to use, in the actual winding process of the automatic drilling line guide device, adjustment is achieved automatically through the arrangement of an automatic balancing device, so that a drilling line continuously receives a radial force in the constant direction and of the same strength, it is guaranteed that the drilling line is automatically pushed forwards on a power roller in the winding process, and the drilling line is prevented from sliding out of grooves and twisting on the power roller; the drilling line is wound around the power roller in order, the threat to personal safety of workers due to the fact that the staggered drilling line is adjusted manually is avoided, meanwhile, the service life of the drilling line is prolonged, and it is guaranteed that the tripping operation in the drilling process is conducted safely and smoothly.

The invention provides a transformer substation equipment box temperature and humidity intelligent operation and maintenance system, and belongs to the technical field of electric power operation and maintenance. Comprising a temperature and humidity acquisition terminal, a wireless aggregator, a wireless transceiver and an upper computer, the temperature and humidity acquisition terminal is arranged in the equipment box, is used for acquiring temperature and humidity data in the equipment box, and has a wireless communication function; the wireless aggregator is arranged at a high position far away from the ground and is used for aggregating wireless signals of the nearby temperature and humidity acquisition terminals and then communicating with the wireless transceiver; the wireless transceiver is arranged on the roof of a monitoring room and is in communication connection with the wireless aggregator and the upper computer; and the upper computer is used for acquiring the temperature and humidity data acquired by the temperature and humidity acquisition terminal. The temperature and humidity data in the equipment box can be monitored in real time, thermal defects of the equipment box can be found in time, and the operation state of the equipment box can be evaluated according to the historical temperature and humidity data.

The invention relates to a communication FRID inspection apparatus. The apparatus comprises a communication device and a supporting column, the communication equipment is fixed at the upper end of thesupporting column, and a label is arranged on the front surface of the communication device; the tag is composed of a coupling element and a chip. The supporting column is further provided with a reader supported by a supporting rod, the data reading end of the reader is over against the label on the communication device; a microprocessor and a communication device are arranged in the reader; themicroprocessor is an ARM microprocessor and is connected with an alarm; the label is electrically connected with the communication device, the microprocessor is connected with the communication device, the communication device is connected with the control center through a 3G wireless network, and the control center is connected with the alarm. The communication FRID inspection apparatus of the present invention has the advantages of being convenient to patrol and transmit the data and saving the manpower.

The invention discloses a mining anchor withdrawing vehicle. A mechanical arm is installed at a head of a carriage through a rotary support, can rotate in situ, can swing up and down and can stretch out and draw back for multiple sections, an anchor withdrawing device is fixed to the mechanical arm, can swing left and right, can swing up and down, is supported in a lifting mode, can stretch out and draw back vertically and abuts against a mine tunnel top plate and the ground, and a driving system enables a crawler belt to advance; an oil supply system controls all oil cylinders and motors to act, a cooling system reduces the working temperature of hydraulic oil and a machine head, a searchlighting system adjusts lighting and camera shooting angles, a sensing system detects the peripheral distance, the temperature of the hydraulic oil and the concentration of methane, and an alarm system can give out sound-light alarms. The central control system converts a remote control instruction received by the communication system into an electromechanical control signal, sends the electromechanical control signal to other systems, and feeds back collected operation data to a remote control center through the communication system.

The invention relates to a motor temperature rise testing device, a testing control method thereof and a controller. According to the motor temperature rise testing device, the controller is electrically connected with the control end of the frequency converter, the output end of the resistance measuring module, the output end of the temperature measuring module and the control end of the switching module, and the states of the frequency converter and the switching module are controlled in an automatic control mode. The automatic measurement of the cold-state winding resistance when the motor to be measured is not started and the environment temperature when the test is started can be realized, the automatic measurement of the hot-state winding resistance after the operation of the motor is finished and the environment temperature after the operation of the motor is finished can be realized, and the temperature rise of the motor can be automatically calculated according to the acquired environment temperature and the resistance value. The whole experiment process does not need manual intervention and is automatically executed, the motor stalling and running switching speed is high, the measurement data recording is complete, the consistency is good, and the personal safety threat caused by the fact that the resistance is measured when the motor is not completely stalled in the prior art is avoided.

The invention discloses withstand voltage test and foot pad pressing and attaching integrated equipment and a working method thereof. The equipment comprises a rack; a first rotary air cylinder is arranged on the rack, a rotary disk is connected to the first rotary air cylinder, two placing seats are arranged side by side in the X direction of the rotary disk, a fixing mechanism is arranged on each placing seat, and a withstand voltage testing mechanism is arranged right above one placing seat; a guide rail and a pressing and attaching mechanism connected with the guide rail in a sliding mode are arranged above the other placing seat, a horizontal driving air cylinder is further arranged on the rack, the horizontal driving air cylinder is connected with the pressing and attaching mechanism, and a foot pad supply mechanism is further arranged, a control module is included, and the main control module is electrically connected with the first rotary cylinder, the withstand voltage test mechanism, the pressing and attaching mechanism and the horizontal driving cylinder. The equipment has the advantages of replacing manual operation to execute voltage-withstanding test actions and foot pad installation actions, protecting personal safety, improving production efficiency and reducing production cost.

The invention discloses a building load-bearing steel pipe bending alarm device. The building load-bearing steel pipe bending alarm device comprises a wall body, a fixing plate is fixedly arranged onthe left end face of the wall body, a moving mechanism is arranged on the fixing plate and comprises a first sliding block arranged on the left end face of the fixing plate in a sliding mode, and a fixing box is fixedly arranged on the left end face of the first sliding block; and an air cavity is formed in the fixing box, a first motor is fixedly arranged on the inner wall of the right side of the air cavity, and a sliding plate is arranged between the inner wall of the upper side and the inner wall of the lower side of the air cavity in a sliding mode. The bending degree of a load-bearing steel pipe is detected through a built-in jacking block, when the bending degree exceeds the set range due to overload bearing, continuous bending of the steel pipe is restrained through a pushing block, early warning is conducted through an alarm, thus collapse accidents caused by bending of the steel pipe can be effectively relieved, meanwhile, workers can be immediately warned to evacuate, personal safety is prevented from being threatened, opening and closing of the building load-bearing steel pipe bending alarm device can be controlled through two built-in gears, and great convenience is provided for use.

The invention discloses a high-flux high-voltage polarization device which comprises a frame, at least one first polarization probe, a clamping assembly, at least one second polarization probe and a driving assembly. The first polarization probe is fixed on the frame; the clamping assembly comprises a fixing piece and at least one clamping piece, each clamping piece comprises two conductive elastic pieces arranged on the fixing piece at intervals, and the two conductive elastic pieces are used for clamping a material to be polarized; the second polarization probe is connected to the fixing piece and is electrically connected with the material to be polarized; and the driving assembly is connected to the fixing piece and used for driving the fixing piece, the conductive elastic piece and the material to be polarized to move in the direction close to the second polarization probe and enabling the material to be polarized to be electrically connected with the first polarization probe. According to the invention, the material to be polarized can be conveniently clamped.

The invention relates to a three-phase common-box insulator assembly and a GIS. The three-phase common-box insulator assembly comprises three-phase center inserts arranged in a shape like a Chinese character'pin ', a flange and an insulating part arranged between the center inserts and the flange, electrodes are integrally poured in the insulating part and correspond to the center inserts, and the electrodes and the corresponding center inserts are correspondingly arranged in the radial direction. The electrode comprises an arc-shaped part which corresponds to the central insert and extends in the circumferential direction of the insulating part, and further comprises connecting parts, the connecting parts are located on the side, opposite to the central insert, of the arc-shaped part, and radial through holes corresponding to the connecting parts are formed in the flange; the connecting part is used for being connected with an electrification display wiring body penetrating into the radial through hole when the electrification condition is monitored, so that the electrode is communicated with the electrification display device; the connecting part is further used for being connected with a grounding piece penetrating into the radial through hole during grounding shielding, and the flange is provided with a grounding piece connecting part used for being connected with the grounding piece.

The invention provides a safety protection device of a current-conducting rod. The safety protection device of the current-conducting rod comprises a protection cover, wherein the protection cover is coated with insulation paint and comprises a framework and a plurality of protection strips; the framework is a cuboid or cube or cylinder framework; the protection strips are arranged on the top face of the framework; the bottom face of the framework is fixed to a furnace body of a resistance furnace; the two ends of each protection strip are fixed to the framework; intervals through which connection cables connected with the current-conducting rod pass are formed between the protection strips. According to the safety protection device of the current-conducting rod, the connection cables can be spaced with the furnace body by a certain distance, and the connection cables are prevented from being softened by high temperature of the furnace body, affecting the normal use and shortening the service life. The safety protection device of the current-conducting rod can avoid injuries caused when personnel touch the connection cables by mistake, and the safety protection device is coated with the insulation paint, so that the production safety is further improved.

The invention discloses a stable-supporting type automobile lift. The stable-supporting type automobile lift comprises a plurality of supporting rods, an inner rotating rod, a limiting plate, a gyrating plate, an electric pushing rod, and a rotating device for driving the inner rotating rod to rotate, wherein the gyrating plate is fixedly arranged on the electric pushing rod; the lower end of theinner rotating rod is rotatably connected to the upper end of the electric pushing rod; the limiting plate is fixedly connected to the inner rotating rod in a sleeving manner; the lower ends, surrounding the inner rotating rod, of the multiple supporting rods circumferentially pass through the limiting plate and are in sliding connection with the gyrating plate; an annular rail fitting the multiple supporting rods is formed in the upper surface of the gyrating plate; the multiple supporting rods are fixedly connected to the limiting plate; the rotating device is fixedly arranged on the electric pushing rod. According to the stable-supporting type automobile lift, the four supporting rods and the inner rotating rod are treated as five supporting points for stably supporting an automobile, so that the automobile in repairing can be prevented from deviating and falling down; the inner rotor is driven to rotate through a motor; the four supporting rods are driven through the limiting plateto slide along the annular rail, and thus the automobile can be stably supported even during the automobile angle adjusting.