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157results about How to "Facilitates regular maintenance" patented technology

Multi-functional intelligent well cover system

InactiveCN104420482AThe collection is less affected by the environmentImprove reading speedArtificial islandsUnderwater structuresRelevant informationCovering system
The invention discloses a multi-functional intelligent well cover system. The multi-functional intelligent well cover system is characterized by comprising a well cover, an intelligent integration device for performing intelligent processing on the well cover, an information acquisition device for obtaining relevant information of the well cover, and an auxiliary service device for providing application service to the intelligent integration device and the information acquisition device. The multi-functional intelligent well cover system can perform positioning, unique identification, alarm and monitoring on the well cover.
Owner:北京清控人居环境研究院有限公司

Two-axes solar tracking system and device for solar panels

The present invention relates to a simplified and lower cost two-axes tracker for solar PV (photovoltaic) or CPV (concentrated photovoltaic) solar panel, as well as heliostat solar reflectors and solar Stirling engine. In particular, the disclosure addresses a simplified and gravity centered tracker structure with low cost single or dual linear actuators mounted on the side of ground post which is easier for replacement and maintenance at lower cost.
Owner:廖恒俊

Passive intermodulation testing method of mobile communication base station system

This invention relates to test to the passive intermodulation performance of the communication system, which controls an emitter to emit test signals according to a preset mode, controls a receiver to scan and receive the signals in the test bands and analyze spectrums of the received signals to evaluate the entire passive intermodulation performance of the base station, in which, the original outside interference signals are received at the shut-off state of the emitter to eliminate its influence and measure the performance accurately and the received test bands are computed accurately by the known carrier frequency sphere, intermodulation stages and the received frequency sphere parameters and the test signal receiving quality is increased by scanning the emitted and received continuous waves.
Owner:HUAWEI TECH CO LTD

System and method for generating electricity

A system and method for generating electric power includes a barge with a frame mounted thereon. A paddlewheel is rotationally mounted on one end of the barge to provide rotational torque to a first transmission. The first transmission drives a hydraulic pump for pumping hydraulic fluid to a hydraulic motor. The hydraulic motor drives a second transmission which is operable to drive an electric generator for generating electricity. During operation, the force of naturally flowing water turns the paddlewheel. This in turn provides rotational power to drive the transmissions, hydraulic pump and hydraulic motor. The frame may further be divided into two hingedly connected portions. One portion of the frame may be rotated out of the water to control the turning of the paddlewheel as well as perform maintenance on the paddlewheel.
Owner:HUEBNER ROBERT L

Method and device for speed measurement based on geomagnetic sensing

The invention discloses a method and a device for speed measurement based on geomagnetic sensing. The method comprises the following steps of: arranging multiple groups of geomagnetic sensor nodes on a same lane of a road, each group comprising two geomagnetic sensors with a fixed distance and in the same direction; detecting, by the geomagnetic sensors, a passing situation of vehicles by using a fixed threshold value method: setting a fixed geomagnetic strength as a threshold value, and determining the arrival of a vehicle when detecting that the magnetic field strength is changed and continuously exceeds the threshold value; determining the departure of the vehicle when the magnetic field strength is changed and is continuously smaller than the threshold value; and according to the distance between two geomagnetic sensors in each group of the geomagnetic sensor nodes, and the times of the arrival and departure of the vehicle, calculating the driving speed of the vehicle in this period of time, wherein the average value of the driving speeds of the vehicle, calculated by the multiple groups of geomagnetic sensor nodes, is a finally measured driving speed of the vehicle. By use of the method and the device disclosed by the invention, overspeed phenomena on a common road or an expressway can be effectively detected and corrected in time, so that the method and the device have the characteristics of strong function, low price, convenience, flexibility and the like.
Owner:NANJING UNIV OF SCI & TECH +1

Self-cleaning maintenance-free clean rainfall runoff treating device

The invention discloses a self-cleaning maintenance-free clean rainfall runoff treating device. The device comprises a container with a distribution pipe and a water outlet pipe, wherein the distribution pipe is arranged on the lower part of the container; the water outlet pipe is arranged on the upper part of the container and is connected with a follow-up system, the upper part of the container is provided with a feeding hole which is utilized as a window, the container is filled with a light padding filtering medium of a light padding, detachable perforated plates are arranged on the upper part of the light padding and are arranged below the water outlet pipe, and the lower part of the light padding is provided with a perforated plate; the distribution pipe is positioned below the perforated plate; the bottom of the container is provided with a drain pipe, and the drain pipe is provided with an electronic control switch and can control drain through the electronic control switch. The self-cleaning maintenance-free clean rainfall runoff treating device provided by the invention has the advantages that main pollutants in clean rainfall runoff are effectively removed, meanwhile, the automatic backwash is realized, energy is saved, a problem that conventional equipment needs to be maintained by a special person is solved, the use is convenient, water is saved, and meanwhile, the impacting problem to a municipal pipe caused by the runoff is also cut down.
Owner:GUANGDONG PROVINCIAL ACAD OF BUILDING RES GRP CO LTD

Vehicle detection method based on uniaxial geomagnetic sensor

The invention discloses a vehicle detection method based on a uniaxial geomagnetic sensor. The method comprises the following steps: two geomagnetic sensors are horizontally arranged at a fixed distance on the same lane, and when a vehicle passes by, the two geomagnetic sensors gather data; the data gathered by the geomagnetic sensors are subjected to data cleaning and noise removal; the geomagnetic sensors use an improved fixed threshold-based state machine algorithm to detect a vehicle, and the time when the vehicle reaches the detection range of the sensor and the leaving time are extracted; and the vehicle flow in a set time period is counted, and the driving speed of the vehicle and the length of the vehicle are calculated. The method can be used alone to obtain vehicle parameters inimportant traffic sections or intersections, and can also be used in conjunction with other traffic detection devices, more comprehensive traffic information is acquired, and the method has the advantages that the power consumption is low, the detection sensitivity is high, the mounting is convenient, and the method is not influenced by a harsh environment.
Owner:NANJING UNIV OF SCI & TECH

Shaping machine for after-finishing of fabrics

The invention discloses a shaping machine for after-finishing of fabrics. The shaping machine comprises a box body, wherein a bracket is arranged on the left side of the box body; a cooling assembly and a static electricity removing assembly are sequentially arranged on the bracket from left to right; a conveying roller platform penetrates through the box body; the interior of the box body is divided into a preheating cavity and a drying cavity by a partition plate; a through groove is formed in the partition plate; a steam spraying disc and a flapping assembly are arranged in the preheating cavity, and a drying assembly is arranged in the drying cavity. The provided shaping machine for after-finishing of fabrics is ingenious and reasonable in structural design; fabrics are subjected to steam humidification and heating treatment through the steam spraying disc in the preheating cavity; the surfaces of the fabrics are humidified more uniformly through the cooperation of the flapping assembly; the fabrics are better loosened and softened and then enter the drying cavity to be dried by the drying assembly at the optimal temperature; after the fabrics are cooled through the cooling assembly, the fabrics are subjected to static electricity removal treatment through the static electricity removing assembly, so that winding and treatment of the fabrics are more convenient.
Owner:绍兴柯桥如川纺织科技有限公司

Digitized intelligent long-distance remote-control water injection valve

The invention relates to a digitized intelligent long-distance remote-control water injection valve. The water injection valve comprise a control valve and a flowmeter which are connected in series with a water pipe, wherein the control valve is an electric flow regulating valve, the flowmeter is an electromagnetic type flowmeter, and the water injection valve also comprises a PID (piping and instruments diagram) controller and a telecommunication system; a data output end of the electromagnetic type flowmeter is connected with an input end of the PID controller, a control output end of the PID controller is connected with the electric flow regulating valve, and a wireless remote connection is established between the other interface of the PID controller and a control management centre through the telecommunication system; and the PID controller is connected with a display and an operating key. The water injection valve provided by the invention integrates the electric flow regulating valve, the electromagnetic type flow meter, the PID controller and the telecommunication system into a whole, can carry out remote data transmission and networked combination control, non-manpower automatic control water and report data entry are realized, the operating efficiency is improved, and errors caused by manual operation are avoided; and the water injection valve can be directly changed and handled on an original pipeline design and is convenient and rapid to install.
Owner:贾为群

Inductive multidimensional sensor and monitoring method for subway interval protection airtight partition door

The invention discloses an inductive multidimensional sensor and monitoring method for a subway interval protection airtight partition door. The inductive multidimensional sensor comprises a door leaf opening and closing angle calculation and monitoring module, a door plate flatness monitoring and analysis module, a fitting degree monitoring module, a data receiving and sending analysis module and a networking breakpoint detection module. The door leaf real-time opening and closing angles and time, the door leaf rotating time and rotating acceleration, and the door leaf axial offset angle and radial offset angle of the subway interval protection airtight partition door can be recorded. By presetting the specification (standard) requirements in a data analysis and processing module, performance such as the position and door leaf deformation of the subway interval protection airtight partition door is online quickly and accurately detected, and parameters obtained through monitoring are uploaded to a subway BAS or a detection system special for protection equipment, the system obtains data through the sensor to conduct full operation management and control on the protection equipment, and thus the safety of subway operation and the good protection performance of wartime equipment are guaranteed.
Owner:NANJING SAIBAILIAN CIVIL AIR DEFENSE TECH CO LTD

Integrated Aquarium and Small Animal Exhibit

An integrated aquarium and small animal exhibit comprising an aquarium full of water and containing a completely submerged, transparent, air chamber display case that is supported by a cabinet, in which the submerged air chamber display case is accessible through openings in the floor of the aquarium and top of the cabinet. The air chamber display case is in fluid communication with the atmosphere and is utilized to exhibit air breathing small animals living in a portable small animal enclosure that may be concealed from view beneath the aquarium and enclosed by the cabinet.
Owner:KILROY PATRICK F

Power distribution cabinet having waterproof function

The invention provides a power distribution cabinet having the waterproof function. The power distribution cabinet comprises a power distribution cabinet body and a waterproof member, wherein the power distribution cabinet body comprises a base plate, side plates, a top plate, a back plate and a cabinet door, a surface of the base plate is symmetrically provided with side plate slots, the side plates comprise a left side plate and a right side plate, a bottom portion is in plugging matching with the side plate slots, a top portion is fixed with a top plugging plate towards an inner side, a front end of the left side plate is provided with an accommodation groove inwards, two sides of the back plate are provided with the left side plate and the right side plate, two ends of the top plate are provided with top plate slots plugged between the left side plate and the right side plate, one side of the cabinet door is rotatably connected with a telescoping rod, another side is vertically provided with a sealing projection, the telescoping rod is horizontally mounted in the accommodation groove, and the waterproof member comprises a telescoping member, a drainage plate and a waterproof cloth. The power distribution cabinet is advantaged in that a plugging structure is employed, so regular maintenance and dismounting are convenient; the excellent waterproof effect under the severe weather condition can be further realized, internal drying is kept, normal operation of components is guaranteed, the power distribution cabinet is convenient to produce and manufacture, and the power distribution cabinet is suitable for popularization and application.
Owner:苏州市凯顺电器有限公司

Lift car buffering device for elevator shaft

InactiveCN110329873ASolve the problem of unsatisfactory use effectImprove shock absorptionNon-rotating vibration suppressionElevatorsEngineeringDistance sensors
The invention discloses a lift car buffering device for an elevator shaft. The lift car buffering device for the elevator shaft comprises a first mounting plate, wherein two sides of the bottom end ofthe first mounting plate are movably connected with the top ends of telescopic rods welded at the upper end and the lower end of a deep well close to two sides of the middle portion; the middle portion of the upper end of the first mounting plate is in threaded connection with a mounting frame through a connecting rod; the middle portion of the top of the mounting frame is penetratingly connectedwith a first thrust plate through a vertical rod; the middle portion of the upper end of a second mounting plate is in threaded connection with a damping frame; a shell is arranged in the middle of the inner bottom end of the damping frame; a piston rod is movably connected to the upper end of the shell and extends into an oil cavity arranged in the middle of the inner portion of the shell; a second thrust plate is fixedly connected to the upper end of the piston rod; and a damping spring sleeves outside the piston rod. By arranging a first infrared distance measuring sensor, a second infrared distance measuring sensor, a buffering spring, the damping spring, the oil cavity, the piston rod and a telescopic rod structure, the lift car buffering device for the elevator shaft has advantagesof improving the buffering performance of a lift car body and being convenient to maintain.
Owner:马鞍山英维爱生态科技有限公司

Lifting guide wheel group mechanism for cargo carrying platform of automatic three-dimensional warehouse

The invention discloses a lifting guide wheel group mechanism for a cargo carrying platform of an automatic three-dimensional warehouse. The lifting guide wheel group mechanism comprises a stand column guide rail, wherein a guide mechanism is arranged on the stand column guide rail in a sliding mode; the cargo carrying platform is fixedly arranged on the guide mechanism; a pallet fork is arranged on the cargo carrying platform; the guide mechanism comprises a guide wheel group bracket body; an opening is formed in the top of the guide group bracket body; a U-shaped fork is welded in the opening; a first eccentric shaft is arranged in the U-shaped fork through a first shaft sleeve; a first expansion sleeve is arranged outside the first shaft sleeve; a first bearing is arranged on the first eccentric shaft; a second eccentric shaft is arranged on the guide group bracket body through a second shaft sleeve; a second expansion sleeve is arranged in the second shaft sleeve; a second bearing is arranged on the second eccentric shaft; and the first eccentric shaft is mutually perpendicular to the second eccentric shaft. The lifting guide wheel group mechanism can solve the defects in the prior art, and is completely limited in spatial dimension, so that the cargo carrying platform stably operates along a set sliding route, and therefore, the cargo carrying platform and the pallet fork on the cargo carrying platform are kept horizontal.
Owner:NINGXIA KOCEL MACHINE TOOL ACCESSORIES

Clamping structure for semiconductor chip processing

The invention relates to the technical field of chip processing, and discloses a clamping structure for semiconductor chip processing. The clamping structure comprises a rotating base and a clamping extension arm arranged on the surface of the rotating base, one end of the clamping extension arm is provided with a clamping end, the outer side of the rotating base is provided with a balance ring, the lower end of the clamping end is provided with a lifting assembly, an adsorption assembly is arranged in the lower end of the lifting assembly, rubber suction cup is mounted at the lower end of the adsorption assembly, purified water in a second containing ball is sprayed to the inner side of the rubber suction cup in a mist shape from a second spray head along a connecting through pipe, a butt joint column head moves back, a penetrating notch can be seamless through rubber materials, the rubber suction cup is driven by a lead screw to slightly move downwards, the water mist is utilized to improve the adsorption force of the rubber suction cup, so that the rubber suction cup and a chip are tightly jointed, the clamping extension arm can conveniently clamp and move the chip, the clamping stability is relatively high, and the rubber suction cup is made of a soft material, so that the chip can be prevented from being damaged.
Owner:南通迅腾精密设备有限公司

Efficient energy-saving environment protective beige frying kitchen range

The invention provides a high-efficiency energy-saving environment-friendly fried rice color cooker. The cooker comprises an upper barrel body, a fried pot, a cooker body and a stirring device, wherein the cooker body comprises a cooker wall and a circular hearth; the fried pot is arranged in the upper barrel body and on the upper end of the circular hearth; the bottom surface of the fried pot and the upper end of the cooker body are in sealing fit; the upper barrel body is positioned on the upper end of the cooker body, the lower end of the upper barrel body and the upper end of the cooker body are in sealing fit; the stirring device is fix above the fried pot by a portal frame; and the inner wall of the circular hearth is provided with two burners respectively. The cooker of the invention has the advantages of improving the utilization ratio of heat energy in the fried color technological process and the production efficiency, lowering the labor intensity and improving the production environment.
Owner:JIANGSU HENGSHUN VINEGAR IND +1

Oil separator

The invention discloses an oil separator which comprises an oil removal box and a slag removal box separated from the oil removal box, wherein the slag removal box comprises a slag discharge area which is arranged on one side of the slag removal box; the kitchen sewage is led into the slag removal box; the slag contained in the sewage is filtered by a chain plate type conveying belt in the slag removal box and conveyed to the slag discharge area as well as discharged to the outside from the slag discharge area; the sewage after slag removal flows into the oil removal box for oil removal; and the oil contained in the sewage is discharged to the outside. The oil separator disclosed by the invention realizes automatic oil discharge and automatic slag discharge functions, and is reasonable in structure and simple and convenient to operate.
Owner:BEIJING HUANZHI ENVIRONMENTAL PROTECTION EQUIP

Urban switching station fire protection and fire extinguishment system

The invention provides an urban switching station fire protection and fire extinguishment system comprising a fire automatic alarming subsystem and an automatic fire extinguishment subsystem. The fireautomatic alarming subsystem and the automatic fire extinguishment subsystem are both connected with a fire protection control main machine. The fire automatic alarming subsystem comprises a fire alarming controller. The fire alarming controller is connected with fire detectors, an input module, an output module, a hand-operated start button, a sound-light alarm and the fire protection control main machine. The fire detectors include the first suction type detectors and the second suction type detectors. Each first suction type detector and each second suction type detector are each connectedwith the fire alarming controller through two buses. The second suction type detectors cooperate with a machine cabinet, an air return pipeline and an air return grating through sampling pipelines correspondingly. According to the urban switching station fire protection and fire extinguishment system, by means of the suction type smoke detectors, fire can be detected very early, measures can be taken in time, and safe operation of a switching station is ensured; and secondly, unnecessary start of the fire extinguishment subsystem is reduced, and maintenance workloads are reduced.
Owner:PUYANG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER +1

Construction engineering cost measuring equipment

The invention discloses construction engineering cost measuring equipment and belongs to the technical field of construction engineering equipment. The construction engineering cost measuring equipment comprises a rotary platform. Supporting legs are fixed to the four corners of the lower portion of the rotary platform correspondingly. The lower portions of the four supporting legs are all internally provided with hollow chambers. Fixing mechanisms are mounted in the four hollow chambers correspondingly. One sides of the four hollow chambers are each provided with a maintenance port. The outersides of the four maintenance ports are all connected with maintenance doors. The construction engineering cost measuring equipment is provided with the supporting legs, the fixing mechanisms and supporting bases, and each fixing mechanism is provided with a cylinder, movable blocks, guide rods, connecting rods, guide holes, elliptical moving ports, connecting blocks and insertion rods. Through mutual cooperation of the multiple structures, the equipment can be fixed both in a still stone region and in a soft soil or sand region. Thus, the equipment can meet the fixation requirements under different environments, and the market competitiveness of the equipment is improved.
Owner:ZHEJIANG IND POLYTECHNIC COLLEGE

Automobile storage battery support assembly

The invention discloses an automobile storage battery support assembly which comprises a base. A fixed box is fixedly connected to the top of the base. A shock absorption frame is fixedly connected tothe top of the fixed box. A storage battery is movably connected to the surface of the shock absorption frame. A protruding block is fixedly connected to the bottom of the storage battery. A throughhole matched with the protruding block is formed in the bottom of the shock absorption frame. Grooves are formed in the two sides of the protruding block. Lifting frames are fixedly connected to the two sides of the shock absorption frame. A sliding board is fixedly connected between the opposite sides of the two lifting frames. Sliding blocks are in sliding connection with the two sides on the surface of the sliding board. Connecting columns are fixedly connected to the tops of the sliding blocks. The invention relates to the technical field of support assemblies. By the adoption of the automobile storage battery support assembly, through cooperation with the above structure, a press board is used for driving a lever to move up and down, the storage battery is clamped and detached throughclamping boards, the structure is simple, the operation process is simple and convenient, and regular maintenance and replacement of the storage battery are convenient.
Owner:襄阳信达汇通机械有限公司

Spherical ball bearing housing

A fuel supply manifold of a gas turbine engine, a method for assembling a fuel supply manifold for a gas turbine engine, and a gas turbine engine are disclosed. The fuel supply manifold for the gas turbine engine man include a plurality of fuel supply tubes, a fitting connecting at least two members of the plurality of fuel supply tubes, a bracket attached to the fitting, a bearing housing having a ball bearing, a bushing attached to a diffuser case of the gas turbine engine, wherein the bushing is surrounded by the ball bearing, and a removable fastener to connect the bearing housing to the bracket.
Owner:RAYTHEON TECH CORP

A solar panel that adjusts the angle of direct sunlight

The invention discloses a solar panel capable of adjusting the direct sunlight angle, which comprises a light plate, a fixing ring and a fixing base, wherein the outside of the light plate is providedwith a fixing frame, the bottom end of the fixing frame is provided with a support bar, the fixing ring is arranged on the left and right sides of the support bar, the bottom end of the fixing ring is connected with a connecting ring, the fixing base is arranged below the support bar, and the right end of the fixing base is connected with a servo motor. The light panel mounted on the solar lightpanel with adjustable direct sunlight angle can drive the rotating shaft to rotate through the servo motor, so that the power can be transmitted to the optical plate through the meshing of the inner ring gear and the gear, Thus, the solar panel can be rotated with the deviation of the sun, the solar panel can be perpendicular to the direct sunlight angle, the working efficiency of the solar panelcan be improved, and the practicability of the solar panel which can adjust the direct sunlight angle is greatly improved.
Owner:SUZHOU ZHIRUI PHOTOELECTRIC MATERIAL TECH CO LTD

Intelligent anti-explosion explosion-venting cover plate assembly used for pipe rack and considering civil defense design

The invention discloses an intelligent anti-explosion explosion-venting cover plate assembly used for pipe rack and considering civil defense design. An intelligent anti-explosion explosion-venting cover plate module for a feed port comprises a cover plate door frame module, a cover plate body module, a ventilating anti-explosion explosion-venting orifice module, a cover plate monitoring control module, and other modules; the ventilating anti-explosion explosion-venting orifice module can switch a cover plate among venting mode, anti-explosion mode and explosion-venting mode, corresponding to daily pipe rack ventilation, wartime pipe rack disaster-preventing (preventing external shock wave) and pipe rack internal relief passage (explosion-venting port) respectively, the cover plate monitoring control module provides recording and calculating, and analyzes the state of the anti-explosion explosion-venting cover plate. The cover plate monitoring control module includes a pressure monitoring module, an angle sensor and the like, is capable of judging working condition of the cover plate, an orifice and the like, and automatically, quickly and accurately detecting the properties of the intelligent anti-explosion explosion-venting cover plate online, subsequent regular maintenance is facilitated, and good operation state and protection are ensured.
Owner:NANJING HENGWEI DEFENCE EQUIP

A dust gas led explosion-proof light that is easy to install and disassemble

The invention relates to the technical field of explosion-proof lamps, in particular to a dust-gas LED explosion-proof lamp that is easy to install and disassemble, comprising an explosion-proof lamp and a mounting bracket, sliding rods are arranged on both sides of the explosion-proof lamp, and hooks are arranged on the top wall of the explosion-proof lamp Ring, the mounting bracket is a U-shaped structure, the inner side wall of the mounting bracket is provided with a slot corresponding to the position of the sliding rod, the side wall of the slot is slidably penetrated by a clamping rod, and the two clamping rods are close to each other One side of the lamp is beveled, so that the sliding rod can squeeze the beveled surface to push the clamping rod out of the clamping slot. When installing, just align the sliding rod of the explosion-proof light and insert it into the clamping groove, and the sliding rod will slide to the clamping rod. The explosion-proof lamp can be quickly installed when the upper side of the lamp is stuck. When dismantling, just pull down the paddle and pull down the explosion-proof lamp to remove the explosion-proof lamp from the mounting bracket, which is convenient for the explosion-proof lamp. Regular maintenance and overhaul can greatly improve the overhaul efficiency of explosion-proof lamps.
Owner:辽宁海浪防爆电器有限责任公司

Internet of Things technology-based intelligent management system for pumps

The invention relates to an Internet of Things technology-based intelligent management system for pumps. The system comprises an Ethernet module, an OPC server layer, OPC middleware, a WEB service layer and a WEB client presentation layer; a PLC is connected with a sensor for water pump application on-site monitoring; the PLC is in communication connection with the OPC server layer through the Ethernet module; the OPC server layer is in communication connection with the OPC middleware; the OPC middleware is in communication connection with the WEB service layer; and the WEB service layer is in communication connection with the WEB client presentation layer. The Internet of Things technology-based intelligent management system for the pumps of the invention supports the access of PC clients and the real-time access of mobile phone mobile terminals, and therefore, application clients and manufacturers can be facilitated to manage equipment anytime and anywhere, and the problem of monitoring blind angles can be avoided.
Owner:许习阳 +1

High-mobility compressed air foam fire extinguishing equipment

PendingCN113368435AIncrease pressureAdjustable mixing ratioFire rescuePersonnel safetyCheck valve
The invention discloses high-mobility compressed air foam fire extinguishing equipment. The high-mobility compressed air foam fire extinguishing equipment comprises an air compressor, a mixer and a control cabinet, wherein the air compressor is connected with a standby air cylinder through a first air pipe; the standby air cylinder is connected with a main air cylinder through a second air pipe; an electric check valve is mounted on a pipe section of the second air pipe; the main air cylinder is connected with a fourth air pipe; the standby air cylinder is connected with the fourth air pipe through a third air pipe; the mixer is connected with a foam tank through a foam conveying pipe; a first electric / pneumatic pump and a first flow adjusting valve are mounted on a pipe section of the foam conveying pipe; the first electric / pneumatic pump supplies air through a sixth air pipe; and the two ends of the sixth air pipe are respectively connected with the mixer and the fourth air pipe. The high-mobility compressed air foam fire extinguishing equipment is high in mobility, safe to operate and convenient to use, effectively guarantees the safety of fire scene fighting personnel, can effectively deal with different fire types, is always in an effective working state, and can keep effective fire extinguishing time.
Owner:GUO ANDA

Multi-connecting-rod type multi-way valve operation mechanism

The invention provides a multi-connecting-rod type multi-way valve operating and control mechanism. An operation handle is connected with a multi-way valve through a four-direction double-connecting-rod mechanism, the goal of exerting vertical four-direction executing commands in the same plane on the operation handle is achieved, and four control loops of the multi-way valve are controlled; the operation handle is simultaneously connected with the multi-way valve through a rotating connecting rod mechanism, the goal of exerting two-direction (clockwise and anticlockwise) executing commands in the same plane on the operation handle is achieved, and the two control loops of the multi-way valve are controlled. The multi-connecting-rod type multi-way valve operating and control mechanism has the advantages that the effect of doing six command executing actions on the operation handle can be realized, the action executing components are respectively and correspondingly controlled, the six operation actions are completed, more operation commands can be realized on the same operation handle, the operation and the control of the machine provided with the operation handle are convenient; the structure is compact, and the operation control is simplified.
Owner:JIANGSUSNGQI GROUP
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