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

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.

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.

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.

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.

Provided are a tunnel lining drainage structure and a drainage method. According to the drainage structure, multiple vertical drainage pipes (2) are arranged on the surface of a tunnel primary support (1) in an annular mode, and the vertical drainage pipes (2) are communicated with an annular drainage pipe (5) respectively. The drainage method comprises the steps that 1), the vertical drainage pipes (2) are arranged on the surface of the primary support (1) in an annular mode, and expansion joints (9) are retained; 2), the vertical drainage pipes (2) are connected to the annular drainage pipes (5), the annular drainage pipe (5) is connected with horizontal drainage pipes (6), the horizontal drainage pipes (6) are connected to side ditches (7), and the side ditches (7) are connected to a center ditch (8); 3), expansion joint embedded parts (10) are buried in advance, and expansion joint waterproof rubber strips (11) penetrate through the expansion joint embedded parts (10). The drainage structure solves the problems that the annular drainage pipes (5) and the horizontal drainage pipes (6) are easily blocked in a present tunnel lining waterproof and drainage system.

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.

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.

A heat treatment apparatus for preventing quality defects of an object to be heat-treated even when sublimating components produced in heat treatment become solids and drop down in the heat treatment apparatus, wherein a gas generated when heating an object to be heat-treated, coated with a coating solution and placed on a stage is passed through a trap made of a permeable porous film and is exhausted from an exhaust port of a cover and wherein solids produced and dropping down when gas passed through the trap of the permeable porous film solidifies at a top plate of the cover are trapped by the trap.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The present invention provides a ventilating and illuminating apparatus. The ventilating and illuminating apparatus includes a ventilating fan, a connecting frame, an illuminating device and a connecting shaft. The ventilating fan has a housing. The connecting frame is connected to the housing and has a mounting portion and a fastening hole. The fastening hole is disposed on the mounting portion. The illuminating device has an illuminating element and a through hole. The connecting shaft partially passes through the through hole of the illuminating device and the fastening hole of the connecting frame and is mounted on the mounting portion of the connecting frame, so as to fasten the illuminating device on the mounting portion of the connecting frame.

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.

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.

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.

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.

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.

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.