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

Power transmission line mountain fire tripping test platform data full-automatic collecting and controlling method

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.
Owner:STATE GRID CORP OF CHINA +2

Selective catalytic reduction low-temperature denitration catalyst and preparation method thereof

The invention relates to a catalyst capable of performing catalytic oxidation on nitric oxides in industrial smoke gas under a low-temperature condition and a preparation process thereof. The preparation method comprises the following steps: (1) dissolving strong acid into water to prepare a strong acid solution; (2) pouring potassium permanganate or soluble salt of iron or cerium into the strong acid solution, stirring to sufficiently mix and dissolve the potassium permanganate or a soluble salt of iron or cerium; (3) performing hydrothermal reaction on the solution; (4) after the hydrothermal reaction, performing suction filtration to obtain oxide precipitates, and washing the oxide precipitates with the acid solution and distilled water respectively; (5) drying the obtained sample; and (6) grinding the dried sample to obtain the required selective catalytic reduction low-temperature denitration catalyst. According to the method, the preparation process is simple, and the selective catalytic reduction low-temperature denitration catalyst with good performance can be prepared by simply weighing, mixing, reacting, filtering and drying, the synthesis temperature is relatively low, roasting is not required, requirements of high-temperature reaction to instruments and equipment are lowered, risks to body safety are avoided, and the advantages are remarkable.
Owner:WUHAN UNIV OF TECH

Balcony embedded photovoltaic power generation system and manufacturing method thereof

The invention discloses a balcony embedded photovoltaic power generation system which comprises a balcony frame and a guard bar plate (1) fixed to the balcony frame. The guard bar plate (1) is of a layer structure and sequentially comprises a base plate (2), a flexible thin-film battery pack (3) a film layer (4) and a coating layer (5) from interior to exterior, wherein the four layers are fixed into an integral structure, and the base plate (2) is a wood plastic plate and is made of wood plastic composite materials. According to the balcony embedded photovoltaic power generation system, the guard bar plate is directly combined and embedded into the balcony rail frame and plays a role of a balcony coaming, and the aim of photovoltaic power generation through a balcony of a building is achieved.
Owner:深圳老玩童网络有限公司

Explosion-proof valve

ActiveCN111946877ARealize repeated explosion protectionGuaranteed independenceEqualizing valvesSafety valvesEngineeringPhysics
The invention discloses an explosion-proof valve. The explosion-proof valve comprises a sliding block, wherein vent holes are formed in the sliding block; a body structure, wherein the sliding block and the body structure are in sliding fit, the body structure is provided with a vent channel communicating with the vent holes, and the body structure is suitable for being mounted on equipment to besubjected to pressure relief; and an elastic piece structure, wherein the elastic piece structure is provided with a vent port and elastic pieces capable of being elastically opened, the vent port communicates with the vent channel, and a vent film is arranged on the vent port. The explosion-proof valve is configured in the manner that when the pressure of an inner cavity of the equipment to be subjected to pressure relief is larger than preset pressure, the sliding block ejects the elastic pieces to form vent gaps, and the vent gaps communicate with the inner cavity of the equipment to be subjected to pressure relief. According to the explosion-proof valve, the ventilation and waterproof effects can be achieved, when thermal runaway happens, the sliding block ejects the elastic pieces toform the vent gaps, the safety and explosion prevention can be achieved, the elastic pieces can restore to original positions after pressure relief, and the explosion-proof function is repeatedly used.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

Property management system based on BIM operation and maintenance

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.
Owner:天津西北虎科技有限公司

Leather product material identification method based on hyperspectral imaging technology

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.
Owner:浙江省轻工业品质量检验研究院

Underground engineering air purifier

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.
Owner:绍兴易浩家居有限公司

Automatic drilling line guide device

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.
Owner:CNPC XIBU DRILLING ENG

Information equipment inspection system and method based on RFID technology

The invention relates to an information equipment inspection system and method based on an RFID (Radio Frequency Identification Device) technology, and provides the following technical scheme aiming at the problem of inconvenience in manual inspection in the prior art. The information equipment inspection system and method based on an RFID technology comprises a plurality of information devices with RFID tags, an inspection device capable of identifying the RFID tags and a server in wireless communication with the inspection device. The inspection device comprises a track and an inspection vehicle, and the inspection vehicle comprises a main machine body and a read-write assembly which are connected through a vertical advancing system; the read-write assembly can identify the RFID tag, and realizes longitudinal movement through the vertical advancing system; the main machine body transversely moves along the track through the horizontal advancing system, and a processor which is in wireless communication with a server through a wireless communication module is arranged in the main machine body. The system is high in inspection efficiency, saves manpower, and prevents personal safety of inspection personnel from being threatened. Meanwhile, the inspection method of the inspection system is provided, and the method is easy to operate and facilitates rapid inspection.
Owner:CHINA TOBACCO ZHEJIANG IND

Transformer station equipment box temperature and humidity intelligent operation and maintenance system

PendingCN114326881AReal-time monitoring of temperature and humidity dataTimely detection of thermal defectsSimultaneous control of multiple variablesWireless transceiverTransceiver
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.
Owner:国网河南省电力公司超高压公司 +1

Management method and system of household elevator with security protection function

The invention provides a management method and a system of a household elevator with the security protection function, which avoids the technical problem of potential safety hazard because persons without cards enter an elevator along with persons with cards. The invention adopts the technical scheme that the method is realized through the matched use of IC cards, an IC card verification device and an elevator control circuit, wherein the IC cards adopt a real-name and a one-person-one-card system, the steps of card punching verification and door closing are adopted after passengers open an elevator door at the bottom floor, the verification includes the checking on the legal identities of the passengers, the extraction of the floor room number and the verification on the legal passenger number, the elevator is directly lifted to the requested floor and the room with the requested room number, and the passengers punch the cards for a second time for opening the elevator door corresponding to the room number. The invention has the advantages that a passenger number counting device with a topological structure is adopted, the effects of flexibility and convenience can be realized during passenger number counting, the condition of error counting caused by baby carrying by adults is avoided, the personnel safety of the passengers is ensured, and the entering of miscellaneous personnel into buildings is effectively avoided.
Owner:秦皇岛开发区前景电子科技有限公司

A communication FRID inspection apparatus

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.
Owner:郑州希硕信息科技有限公司

Biological pesticide

The invention belongs to the field of biological prevention and control, and particularly relates to a biological pesticide. The biological pesticide is stored in a hold-up vessel comprising a vesselbody which is closed at the bottom and provided with an opening in the top thereof; a cap is threadedly connected to the periphery of the opening in a threaded mode, and an aluminum foil cover is connected to the upper edge of the opening in a heat sealing manner; a conical part is formed in the middle of the opening; a clamping groove is formed in the bottom of the conical part; and a rubber supporting piece is arranged in the clamping groove. The rubber supporting piece is clamped in the clamping groove to further improve the sealing property of the hold-up vessel, thus reducing pesticide leakage. According to the invention, when the rubber supporting piece is clamped into the clamping groove, the edge of the rubber supporting piece presses against the clamping groove when the rubber supporting piece resiles, and with the heat-sealed aluminum foil cover, the hold-up vessel can be further enhanced, thereby reducing the pesticide leakage and preventing leaked pesticide from threateningthe safety of people.
Owner:HEILONGJIANG PINGSHAN FORESTRY PHARMA FACTORY

Mining anchor withdrawing vehicle

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.
Owner:JIANGYIN CHANGLI TECH

Motor temperature rise testing device, testing control method thereof and controller

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.
Owner:HITACHI ELEVATOR GUANGZHOU

Withstand voltage test and foot pad pressing and attaching integrated equipment and working method thereof

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.
Owner:ZHANGZHOU WANLIDA ZHONGHUAN TECH INC

Building load-bearing steel pipe bending alarm device

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.
Owner:山西清露金华节能科技有限公司

A kind of building load-bearing steel pipe bending alarm device

The invention discloses a building load-bearing steel pipe bending alarm device, comprising a wall body, a fixing plate is fixedly arranged on the left end surface of the wall body, the fixing plate is provided with a movement mechanism, and the movement mechanism comprises a sliding mechanism arranged on the fixing plate. The first slider on the left end face of the plate, the left end face of the first slider is fixed with a fixed box, the fixed box is provided with an air cavity, the inner wall of the right side of the air cavity is fixed with a first motor, the air cavity There are sliding plates sliding between the inner walls of the upper and lower sides of the cavity. The invention detects the bending degree of the load-bearing steel pipe through the built-in top block. When the load-bearing overload causes the bending degree to exceed the set range, the push block is used to restrain the steel pipe from continuing to bend, and the alarm is used to detect the bending degree of the steel pipe. The early warning can effectively alleviate the collapse accident caused by the bending of the steel pipe, and at the same time, it can immediately warn the workers to evacuate, so as to avoid threats to personal safety.
Owner:山西清露金华节能科技有限公司

A car weightlifter with stable support

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.
Owner:NANJING NAVECO AUTOMOBILE CO LTD +1

High-flux high-voltage polarization device

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.
Owner:武汉佰力博科技有限公司

Quick-change multifunctional head for clamping anchor chain and steel cable

The invention relates to a quick-change multifunctional head for clamping an anchor chain and a steel cable. A slewing reduction gearbox is connected with a multifunctional slewing head through a quick-change device so as to realize quick change of the multifunctional slewing head; the slewing reduction gearbox drives the multifunctional slewing head to achieve 360-degree full-circle slewing; an overturning mechanism is in rotational connection with the slewing reduction gearbox through an overturning rack connecting shaft and connected with a multifunctional arm through a multifunctional arm connecting shaft, so that the multifunctional slewing head rotates around the multifunctional arm connecting shaft, the multifunctional slewing head can be in a collection / storage state when a multifunctional head retraction oil cylinder is in the maximal stroke, and the multifunctional slewing head is in the biggest working position when the multifunctional head retraction oil cylinder is in the minimal stroke. According to the invention, multi-degree-of-freedom dual clamps for clamping and towing operation of the anchor chain / steel cable are highly integrated on the multifunctional head, and together with dual working arms of a multifunctional manipulator, so that not only is lifting operation on a ship deck face replaced, the situation that the anchor chain / steel cable is manually towed before is avoided, and particularly, the safety of deck towing operation in the high sea state is improved.
Owner:SHANGHAI MARINE EQUIP RES INST

Three-phase common-box insulator assembly and GIS

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.
Owner:HENAN PINGGAO ELECTRIC

A method for automatic data collection and control of a transmission line mountain fire trip test platform

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.
Owner:STATE GRID CORP OF CHINA +2

Stable-supporting type automobile lift

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.
Owner:NANJING NAVECO AUTOMOBILE CO LTD +1

Explosion-proof valve

ActiveCN111946877BRealize repeated explosion protectionGuaranteed independenceEqualizing valvesSafety valvesEngineeringPhysics
The invention discloses an explosion-proof valve. The explosion-proof valve comprises: a slider, the slider is provided with air holes; a main structure, the slider is slidably matched with the main structure, the main structure is provided with the A ventilation passage connected to the ventilation hole, the main structure is suitable for being installed on the equipment to be pressure relieved; a shrapnel structure, the shrapnel structure is provided with a ventilation port and a shrapnel that can be stretched elastically, and the ventilation opening communicates with the ventilation passage And a gas-permeable film is provided at the vent port; wherein, the explosion-proof valve is configured such that when the inner cavity pressure of the device to be depressurized is greater than a preset pressure, the slider pushes away the shrapnel and forms a vent gap, The air-permeable gap is in communication with the inner cavity of the device to be depressurized. The explosion-proof valve of the embodiment of the present invention can realize the functions of ventilation and waterproof, and when thermal runaway occurs, the slider pushes away the shrapnel to form a breathable gap, which can realize safe explosion-proof, and the shrapnel can return to the original position after the pressure is released, realizing The explosion-proof function can be used repeatedly.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

Urinary incontinence therapeutic instrument with replaceable shell

The invention discloses a urinary incontinence therapeutic instrument with a replaceable shell, which comprises an electric stimulation probe, and is characterized in that the electric stimulation probe comprises a probe base body, a stimulation signal generator and an electrode plate, the probe base body comprises a first base body and a second base body, the stimulation signal generator is installed on the first base body to form a host, the electrode plate is embedded on the second base body to form a shell, the second base body is provided with a hollow inner cavity, one end of the electrode plate extends to the hollow inner cavity of the second base body, the other end extends to the outer side of the second base body, the first base body is arranged in the hollow inner cavity of the second base body in a detachable manner, and the stimulation signal generator is electrically connected with the electrode plate. The host and the shell are of a detachable design, thereby being more hygienic, and avoiding potential safety hazards caused by repeated use of the probe.
Owner:MAYHAP IND SUZHOU

Large Rope Automatic Guidance Device

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.
Owner:CNPC XIBU DRILLING ENG
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