65results about How to "Simple maintenance" patented technology

The invention provides a shop service management system, comprising: a shop management system for managing each shop data, a client located in each shop and a database located in each shop, wherein the client is used for logging in the shop management system directly via a web mode when the network can reach to carry out the day-to-day business operation, or for downloading the service data to be used to the local database in the shop from the shop management system by using the client program downloaded from the shop management system in advance when the network can not reach and carrying out day-to-day business operation in the off-line mode based on the local database and uploading the service data to the shop management system. The system can support various modes such as centralized application, dispersed application and nixed application, the user can choose the appropriate mode to carrying out the day-to-day business operation in combination with the concrete shop condition, and the maintenance mode of the C/S structure is simplified.

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 relates to a pollution-free gas drying agent which has high dehumidifying efficiency, slow dissolving speed and no pollution after dissolution, and can be directly dissolved in water to be exhausted to the environment, and a drying method thereof. The method comprises the steps that: wet air enters through an inlet which is positioned in the center of the bottom of a dryer container, so that the compressed air is uniformly distributed and flows upwards through the uniform diversion of a splitter plate, and the air is fully contacted with a moisture-absorbing agent layer; the wetair is firstly contacted with the moisture-absorbing agent layer in a reaction zone, and the moisture-absorbing agent absorbs plenty of water in the wet air, so that the moisture-absorbing agent undergoes chemical reaction; the wet air enters a drying zone of the moisture-absorbing agent layer, and the moisture-absorbing agent further dries the wet air, so that the dew point of the wet air reaches the required dew point; and finally, the fully dried compressed air is exhausted through an air outlet at the upper end of the container by passing through a preparation area of the moisture-absorbing agent. The dryer of the invention overcomes the defect that the conventional dryer has complex structure, high energy consumption, and environmental pollution, and has the advantages of stable performance, low energy consumption, low cost, no pollution, and low requirement on the working environment.

The invention relates to a noise reduction silencing device, in particular to a combined type array impedance recombination silencer. The combined type array impedance recombination silencer comprises silencing tube bodies, a support, an access door and a flow guide cover. The support is arranged in a latticed shape and provided with an access door frame, the two ends of each silencing tube body are fixedly installed on the corresponding latticed intersection points of the support, the axes of the silencing tube bodies are arranged in parallel in the air flow direction, and the silencing tube bodies are arranged through the support and fixed to a ventilation pipeline. The access door is installed on the access door frame on the support in a matched mode, the access door is of a connecting rod structure and is hinged to the access door frame, and sliding wheels are arranged at the bottom of the access door. The flow guide cover comprises a large-area lower bottom face and a small-area upper bottom face and the large-area lower bottom face is matched with the end faces of the silencing tube bodies. According to the combined type array impedance recombination silencer, the combination type can be reasonably adjusted according to the flow field characteristic, the resistance structure is utilized, the silencing effect of a certain frequency band, especially the middle-low frequency band, is effectively improved, the production efficiency can further be improved, and transportation, storage and maintenance are convenient.

The process comprises a stage of highlighting a plurality of light points of a free surface of the material contained in the silo, of detecting a position of each of the light points and obtaining electrical signals which are proportional to the detected position of each point, and processing the signals to obtain a virtual reproduction of the free surface of the material which when processed provide desired data. The device for realising the process comprises lasers, which project a laser beam towards the free surface of the material contained in the silo, an optical sensor which detects the position of the light points defined by each laser beam on the free surface, and a data processing system which processes the data relating to the position of the lasers, the inclination of the laser beams, and the detected positions of the light points in such a way as to construct a virtual free surface of the material.

The invention relates to a double direction thrust bearing tester. A rolling bearing seat is arranged in an oil groove; the device is provided with two sets of thrust bearing devices between which a loading piston cylinder is arranged, and both ends of the loading piston cylinder are respectively connected with fixing plates at both sides of the thrust bearing; the two sets of rolling bearings are respectively arranged in the rolling bearing seat; two thrust discs are respectively arranged on an output shaft of a motor; the trust bearing is arranged between a fixing ring and the fixing plate; two sliding rods are respectively fixed on the rolling bearing seats passing through the respective fixing ring and the fixing plate, a sealing which is arranged on the output shaft of the motor is fixed at the side wall of the oil groove, and the output shaft of the motor is connected with the motor through a coupler. The double direction thrust bearing tester of the invention has simple installation and overhaul, and can effectively test and verify the performance of a double direction thrust bearing.

The invention relates to an undercarriage rising and landing control hydraulic device for a helicopter. According to the hydraulic device, a variable-frequency motor is adopted to control a quantitative hydraulic pump, and the rotating speed of the motor is changed to control the flow of a system, and therefore rising and landing of an undercarriage are achieved. By means of the undercarriage rising and landing system of the structural form, the structure is simple, the installation position is not limited, the requirement for the precision of oil liquid is low, a valve-control throttling speed-adjusting servo hydraulic system is abandoned, the problems that the temperature of the system is increased and the efficiency is low due to throttling losses and overflow losses are avoided, and meanwhile electro-hydraulic servo valves very high in manufacturing cost and electromagnetic reversing valves large in pressure impact are abandoned.

The present description relates to a remote connection system suitable for being incorporated in an aircraft (1A, 1B, 1C) comprising at least one engine propeller (50A, 50B, 50C) having a plurality of blades (52A, 52B, 52C) suitable for rotating relative to a stationary module (10A, 10B, 10C) of the aircraft about an engine axis (X). The remote connection system comprises: a light emitter device configured, when the remote connection system is incorporated in the aircraft (1A, 1B, 1C), to emit a light beam that emerges to the outside of the propeller (50A, 50B, 50C), from at least one emission surface (54A, 54B, 54C) of said propeller (50A, 50B, 50C).

The invention relates to a method for measuring rotating speed by using a smart phone. The method comprises the following steps of: setting a cursor on the rotating shaft of a detected object, setting the flashlight of the phone to enable the flashlight to flash towards the rotating shaft of the detected object according to certain frequency, photographing to obtain rotation pictures of the rotating shaft of the detected object by using the photographing function of the phone, and processing a data stream to obtain the rotating speed. The phone directly transmits the rotating speed to a control room in a wireless transmission way and the control room gives out a new command according to the obtained result; and the phone receives the command and controls an adjusting device to adjust the rotating speed of the detected object.

The disclosure relates to a railway vehicle component group for generating an electronic life history of a machine component. The railway vehicle component group includes a machine component having a storage unit arranged in or on the machine component, and at least one control unit suitable for bidirectional communication with the machine component, wherein operating data is configured to be generated in the control unit. The storage unit is suitable at least for bidirectional communication with the control unit, wherein a storage of the operating data generated via the control unit is provided during the operation of the machine component by at least the bidirectional communication in order to generate an electronic life history of the machine component. The storage unit also has an electronic type label of the machine component. The disclosure also relates to a method for generating a life history of a machine component, as well as a service method for maintenance.

The invention discloses an underwater modular oil-gas production platform and a working method thereof. The production platform comprises upper function modules, lower platform modules, a rigid bridge pipe, a rigid vertical pipe, a mooring cable and a subsea wellhead. The upper function modules comprise the extraction and reinjection module, the gathering module, the separation module, the crude oil preprocessing module, the natural gas preprocessing module, the natural gas early refrigerating compression and output module, the crude oil storage module, the crude oil pressurization output module and the control center module. The lower platform modules comprise the mooring module, the subsea wellhead module and the ballasting module. The underwater modular oil-gas production platform is divided into the modules according to functions and shapes, so that a clearer concept is provided for construction and installation of the underwater production platform; and each module is simple in shape, the modules are constructed simultaneously, the whole construction period is shortened, and the construction economical efficiency is improved. The low platform modules are assembled on the land while the upper function modules are installed underwater separately, and the platform has remarkable advantages.

The invention relates to a bidirectional thrust bearing supported by drum-shaped elastic oil tanks. A babbit metal tile and a support tile are connected through a key to form a thrust bearing shoe together, the thrust bearing shoe is supported on the drum-shaped elastic oil tanks; spherical support iron and a circular ring are arranged in each drum-shaped elastic oil tank; the drum-shaped elastic oil tanks are communicated with each other through a communicating pipe; and the drum-shaped elastic oil tanks, which are filled with hydraulic oil, are fixedly mounted on a bearing support. The bidirectional thrust bearing has the advantages that the mounting and the maintenance are simple; the load-bearing capacity is high; loads among tiles can be balanced automatically; due to the spherical support iron, the security of the drum-shaped elastic oil tanks is improved; and through the adoption of the structure of a large-scale bidirectional thrust bearing, the bidirectional thrust bearing is suitable for the field of large-scale power generation motors of pump storage units and the other fields.

The invention provides a rat-proof and termite-proof coaxial cable for grounding an ultra-high voltage transmission line. A conductor shielding layer, an insulating layer, an insulating shielding layer, a semi-conducting tape layer, an outer copper conductor layer and an outer sheath layer wrap outside an inner copper conductor in sequence, wherein the insulating layer is a crosslinked polyethylene insulating layer, and the outer sheath layer is a high-density polyethylene sheath layer. According to the rat-proof and termite-proof coaxial cable for grounding the ultra-high voltage transmission line, provided by the invention, the problem that an electric field of the cable is not even can be solved; a rat-proof and termite-proof function is good; the use is safe and reliable; and the service life is long.

The invention provides a magnetic suspension geothermal heat pump heat exchange system. The system is provided with a heat exchange channel formed underground, and comprises a condenser, a magnetic suspension compressor, a heat exchange pump, a liquid inlet pipe and an air outlet pipe which are arranged on the upper portion of the heat exchange channel, and an evaporator arranged in the heat exchange channel. One end of the condenser extends into the evaporator through the liquid inlet pipe. The upper end of the evaporator sequentially communicates with the magnetic suspension compressor and the other end of the condenser through the air outlet pipe. When heat exchange is needed, a low-temperature working medium is injected into the underground heat pipe evaporator through the liquid inlet pipe, and the low-temperature working medium exchanges heat with underground rock strata through the outer wall of the underground heat pipe evaporator, absorbs heat and is vaporized through the underground heat pipe evaporator and then is conveyed into the condenser for heat supply and heating through the magnetic suspension compressor. By adoption of the magnetic suspension compressor, mechanical friction during operation of the compressor is avoided, the heat exchange efficiency in a unit time is improved, the number of maintenance factors is decreased, and accordingly the maintenance frequency is reduced.

The invention provides a lubricating horsehead pin of an oil pumping machine. The lubricating horsehead pin comprises a first pin body, a second pin body, a connecting part for connecting the first pin body with the second pin body, and a chock plug, wherein external threads are arranged on the surface of the first pin body; a cavity is arranged in the second pin body; a penetrating hole is arranged in the surface of the second pin body; the cavity is mutually communicated with the penetrating hole; and the chock plug is movably embedded in the cavity and is in screw connection and fixation with the second pin body. When the lubricating horsehead pin of the oil pumping machine is maintained, the hosehead pin has no need to be disassembled, the maintenance of the horsehead pin is realized through prestoring lubricating oil in the cavity arranged in the second pin body and injecting the lubricating oil into the outer surface of the horsehead pin through the penetrating hole, the phenomenon of rust of the horsehead pin is avoided, and the horsehead pin is simpler to maintain.

The invention relates to a shakeout screen modeling sand pulverizer, comprising a driving motor, a motor belt pulley, a V-belt, a passive belt pulley, an impeller shaft, impellers, beating rods, a bearing pedestal, a frame and a hopper. The pulverizer has the following characteristics: each impeller is inlayed with four beating rods; cutting edges of the impellers are mutually staggeringly and uniformly arranged on the impeller shaft; the bearing pedestal is arranged on an upper part of the frame; the hopper is arranged on a lower part of the frame; the driving motor is arranged on an external side of the frame; and edges of the impellers keep a distance with the shakeout screen. The pulverizer has strong fragmentation capability, good fragmentation effect and self overload protection function, and is easily maintained and with an extreme low failure rate, etc.

The invention relates to the technical field of mechanical equipment, in particular to drill bit repairing and maintaining equipment for mechanical production workshop processing. A drill bit is automatically ground, maintained and repaired, so that labor and time for manual operation can be effectively saved, a repair way is simplified, work efficiency is improved, and influences on production are avoided; and grinding stability of the drill bit is improved, so that grinding flatness at the cut of the drill bit is effectively improved, grinding sharpness of the dill bit is improved, repairing and maintaining quality is improved, and practicability and reliability are improved. The drill bit repairing and maintaining equipment comprises a base, a movable wedge block, an adjusting shaft, a rotary plate and a central control box, wherein the left side and the right side of the top of the base are respectively equipped with an adjusting device and a grinding device; the movable wedge block is fixedly arranged on the adjusting device; the rotary plate is rotatably mounted on the top of the movable wedge block through the adjusting shaft; and the rear side of the rotary plate is equipped with a vertical through slot in an inclined mode.

The invention belongs to the field of instruments and meters, and particularly relates to a leading type magnetic impurity removal device for an electromagnetic flowmeter and a using method of the leading type magnetic impurity removal device. The invention discloses a leading type magnetic impurity removal device for an electromagnetic flowmeter. The leading type magnetic impurity removal device comprises a connecting pipe, an adsorption device and permanent magnet particles. The connecting pipe comprises a pipe body and flange plates installed at the two ends of the pipe body. The connecting pipe is assembled into a pipeline for conveying fluid to be detected through the flange plate, so that the fluid flows through the pipeline in the connecting pipe. The adsorption device comprises a curved-surface substrate, the curved-surface substrate is matched with the inner wall of the connecting pipe, and the curved-surface substrate is made of magnetic conductive materials. A plurality of deformation parts recessed towards the inner side of the pipeline are distributed on the surface of the curved-surface base plate, and mounting grooves are formed in the back faces of the deformation parts. And the permanent magnet particles are detachably embedded into the mounting grooves in the adsorption device. The electromagnetic flowmeter solves the problem that the measurement precision of an existing electromagnetic flowmeter is prone to being affected by magnetic conductivity impurities in fluid, and has the advantages of being convenient to install and maintain.

The present invention relates to a gathering and transportation device, in particular to a metering device of a multi-way valve used for gathering and transportation. The invention adopts the technical scheme that the metering device consists of a metering tank, a liquid mixing tank, a multi-way valve, a meter, liquid inlet pipes of the multi-way valve, a liquid outlet gathering pipe, a single-well liquid intake pipe and an oil-gas-water mixed-phase transmission outlet pipe, wherein a plurality of liquid inlet pipes are arranged on the multi-way valve and respectively communicated with the single-well liquid intake pipe; the liquid outlet gathering pipe is connected with the liquid mixing tank; the metering tank is arranged at the upper part of the liquid mixing tank; the meter is arranged on the metering tank; and the oil-gas-water mixed-phase transmission outlet pipe is arranged at the bottom of the liquid mixing tank. The metering device has the benefits that the temporary production measures can be reduced, the subsequent workload is reduced, the investment is saved, the construction cycle of the oil field is shortened, and the temporary production cost can be saved. In addition, the operation is humanized and simplified, the maintenance is convenient and simple, and manpower and material resources are saved.

The present invention discloses a nuclear safety classification digital control system (DCS) maintenance method comprising partition according to nuclear safety classification digital control system (DCS) control cabinet function; connection of a single nuclear safety classification DCS control cabinet in each partition and a partition photoelectric conversion hub by a cabinet photoelectric conversion hub; maintenance of the nuclear safety classification DCS control cabinet in each partition by use of a nuclear safety classification DCS maintenance device by the partition photoelectric conversion hub. The maintenance technology providing secure and convenient maintenance for a nuclear power unit can be achieved. Furthermore, the present invention also discloses the nuclear safety classification DCS maintenance device and a nuclear safety classification DCS.

The invention provides a combined structure of Hanque. The combined structure comprises multiple first clamping parts fixedly connected to a base layer, second clamping parts are connected to the bottoms of the first clamping parts in a clamping manner, a decoration transfer storey is fixedly connected to the bottoms of the second clamping parts, multiple first hanging poles are fixedly connectedto the bottom of the decoration transfer storey, and a decorative finish is fixedly connected to the bottoms of the first hanging poles. If a decorative suspended ceiling is not allowed to be directlywelded to an architecture steel structure, what is required is only to design hoops according to the size of I-shaped steel, and the combined structure can be applied in a wider range and is convenient to manufacture and mount, attractive, elegant, durable, safe, reliable and easier to maintain.

The invention discloses a controllable finger capable of being bent in multiple directions. The controllable finger comprises a set of gyroscope unit sections. Spherical linkage sections are arrangedat the axis positions of the lower ends of the gyroscope unit sections, and arc-shaped connecting sleeves are arranged at the other ends of the gyroscope unit sections. The spherical linkage sectionsbetween the adjacent gyroscope unit sections are arranged inside the corresponding arc-shaped connecting sleeves. The spherical linkage section at the lower end of the gyroscope unit section on the bottommost portion is arranged in the corresponding arc-shaped connecting sleeve, and the arc-shaped connecting sleeve is connected to a fixed end. The upper end face of the gyroscope unit section at the topmost end is in an arc shape, and the lower end of the gyroscope unit section is provided with the corresponding spherical linkage section. Four traction holes are evenly distributed in the periphery of each gyroscope unit section. The traction holes of the set of the gyroscope unit sections in the same direction are internally provided with pulling ropes separately, and the lower ends of thefour pulling ropes are connected with a micro motor. The controllable finger capable of being bent in the multiple directions has the beneficial effects that manufacturing is simple, cost is low, theservice life is long, repair and maintenance are easy, controllable bending and stretching in the four directions can be achieved and the practicability is good.

The embodiment of the invention provides a rechargeable flow instrument. The rechargeable flow instrument is applied to a system containing an instrument bus and comprises a bus connection unit which is connected with the instrument bus and used for acquiring power supply current from the instrument bus and converting the power supply current into transistor-transistor logic level (TTL), a constant-current voltage stabilizing unit used for converting the TTL into constant current, and a power source managing unit used for converting the constant current into charging current of a rechargeable battery. By arranging the constant-current voltage stabilizing unit, the power source managing unit and the rechargeable battery, the rechargeable battery can supply power to the flow instrument when a power failure happens to the instrument bus, besides, the electric quantity of the rechargeable battery can be restored, replacement is not needed, maintenance is easier, and work strength is smaller.

The invention discloses an air feeding system and method for a desulfurizing slurry liquid pre-heating boiler. The air feeding system comprises a desulfurizing tower, a desulfurizing pump, a technological water tank, a demister cleaning pump, an energy-saving pump, a liquid distributor, an air warmer and a liquid returning device, wherein the air warmer comprises an air feeding air channel and an air warming pipe grid; an air inlet of the air feeding air channel communicates with environmental air and an air outlet of the air feeding air channel communicates with a boiler air inlet; a liquid inlet of the energy-saving pump communicates with a desulfurizing slurry chest, and a liquid outlet of the energy-saving pump communicates with a liquid inlet of the liquid returning device; and a liquid outlet of the liquid returning device separately communicates with the desulfurizing slurry chest and a liquid inlet of a gypsum dehydration system. By adopting the system and the method disclosed by the invention, low-grade afterheat in wet-process desulfurizing slurry liquid is effectively recycled, and the recycled afterheat is used for feeding air into the pre-heating boiler, so that the air inlet temperature of the boiler is improved, and the water consumption volume for operation of a wet-process desulfurizing device is reduced while energy consumption of operation of the boiler is reduced at the same time.