253results about How to "Easy maintenance" patented technology

The invention relates to the technical field of advertising lamp boxes, in particular to a modularized large lamp box device with a heat dissipation mechanism, which comprises a lamp box main body and supporting legs, one end of each supporting leg is fixedly connected with the lamp box main body, the left end of the lamp box main body is fixedly connected with the heat dissipation mechanism, and the outer side of the right end of the lamp box main body is fixedly connected with a cleaning mechanism. According to the device, by arranging a fan, a rotary disc, a knocking plate, a push rod, a sliding block, a first spring, a sliding rail, an air blowing shell, air blowing holes and a filter screen, when the temperature of the surface of an LED lamp panel is too high, the fan can rapidly blow air to the surface of the LED lamp panel, and reduction of the surface temperature of the LED lamp panel and reduction of the internal temperature of the lamp box body are accelerated; meanwhile, external dust can be filtered through the filter screen, the dust is prevented from entering the inner side of the lamp box body along with gas, falling of the dust on the surface of the filter screen can be accelerated through reciprocating rotation of a knocking plate, the automatic cleaning of the filter screen is achieved, and therefore the normal work of the filter screen is guaranteed.

The invention provides an intelligent irrigation monitoring and control system. The system is composed of a functional module, a sensing module and a server and is a functional Internet-of-Things irrigation central control system which adopts a water flow control and early warning mechanism as a core; the sensing module is used for obtaining the real-time flow rates of electronic water meters at irrigation points, the ambient temperature and humidity of peripheral sensors, and other information; the functional module acquires the information of the sensing module, processes the information, sends the processed information to the server, and remotely turns on and turner off irrigation equipment; the server stores and processes the information sent by the functional module, displays the information on a WEB page in a grouped manner and/or pushes the information to an APP for realizing the graphical display of the information, and performs feedback control on the functional module. With the intelligent irrigation monitoring and control system of the invention adopted, an irrigation system can be monitored remotely and intelligently; prompt warns can be issued according to irrigation situations; and irrigation can be performed according to soil moisture content; and outdoor three-dimensional, green and accurate irrigation and scientific decision-making can be realized.

The invention discloses a silent power generator set with a single-cylinder diesel engine. The power generating unit comprises an main oil tank chamber, a sub oil tank chamber, a motive power cabin, a control room and a silencer inner liner, wherein the sub oil tank chamber is arranged at an upper layer of the power generator set, the motive power cabin is arranged in a middle cavity of the power generator set, the silencer inner liner is arranged at the back end of the power generator set, the main oil tank chamber is arranged at a bottom layer of the power generator set, the control chamber is arranged in a public position of the middle cavity and the upper layer of the power generator set. The silent power generator set has the advantages that the silent power generator set can work for a long time under the unattended condition, the man-machine engineering is also sufficiently considered, in addition, the requirement of convenience in installation, maintenance and carrying is met, the wire distribution and the cable binding are convenient, meanwhile, an antitheft device also is designed, and the safety performance is better.

The invention relates to the technical field of road and bridge protection and discloses a novel protection device based on road and bridge protection. The novel protection device comprises a first fixed ring and a second fixed ring. The ends, away from the first fixed ring and the second fixed ring respectively, of two limiting bolts are in threaded connection with a protection box. According tothe novel protection device based on road and bridge protection, the tops and bottoms of the two sides between the first fixed ring and the second fixed ring are movably connected through fixing bolts, screws adopted by a bridge can be completely protected, in this way, the situation that the screws of the bridge are exposed to the outside for a long time and rusted, and the screws cannot be usedcan be effectively avoided, thus, the service life of the bridge screws is longer, operators do not need to replace the screws frequently, the device can be used conveniently, and the problem that according to an existing novel protection device based on road and bridge protection, the screws on the surface of the bridge cannot be protected comprehensively is solved.

The invention discloses an extensible automobile electric appliance box which comprises a box body, a bus harness plug-in is arranged on one side of the box body, at least three module fixing structures are arranged in the box body at equal intervals, each module fixing structure is composed of two fixing columns, at least three safety modules are arranged in the box body, and the safety modules are sequentially connected end to end, wherein the fuse module located at the head end is connected with the bus harness plug-in, and each fuse module is fixed in the box body through a module fixing structure. According to the invention, the number of relays and fuses can be set according to requirements, and the extensible automobile electric appliance box can be used for various vehicle types, and is higher in universality.

A report layout model and method that provide layout content elements for structuring data from a query, and that further include layout rendering elements for rendering that query data. In an embodiment of the present invention, style elements are further provided in accordance with the Cascading Style Sheets (CSS) specification to improve rendering control.

A waterproof electrical connection includes a wire connector including a housing having a cavity and an insert having a surface adapted for receiving at least two metallic wires disposed within the cavity of the housing; at least two metallic wires having exposed metallic surfaces, wherein a portion of the exposed surface of one wire is in contact with a portion of the exposed surface of the second wire, and further wherein a portion of the exposed surfaces of the at least two wires are in contact with the surface of the insert to define at least one contact point; and an anaerobic sealant disposed within the cavity, wherein only a portion of the anaerobic sealant proximal to the one at least contact point is in a cured state while the remaining sealant is in an uncured state. The connection may further include an air permeable cap disposed over the open end of the housing. The sealant is a thixotropic gel having a viscosity from about 100,000 centipoise to about 5,000,000 centipoise or is a solid which is non-flowable at room temperature.

The invention provides an ultrasonic washing machine which comprises a main machine body. A top cavity is formed in the end face of the top of the main machine body. An ultrasonic washing mechanism isfixedly arranged on the rear wall of the top cavity. A washing box mechanism is arranged in the top cavity. A spraying washing cavity is formed in the portion, located in the main machine body, of the bottom of the top cavity. A spraying washing mechanism is arranged in the spraying washing cavity. A spraying washing bottom cavity is formed in the portion, located in the main machine body, of thetop of the spraying washing cavity. A right side cavity is formed in the portion, in the main machine body, of the top of the spraying washing bottom cavity. A winding wheel cavity is formed in the portion, in the main machine body, of the right side of the spraying washing bottom cavity. According to the ultrasonic washing machine, a washing box mechanism can carry out initial oil dirt treatmenton parts, ultrasonic washing time is shortened, the purpose of saving electricity is achieved, the parts can be conveyed to the right automatically through a transmission belt, time for labor transferring is saved, a drying mechanism can accelerate the drying efficiency, and drying time is shortened.

The invention provides an underwater recyclable position-indicating delay cable cutting device, belongs to the field of underwater equipment and aims to solve a problem of environmental pollution caused after an existing underwater cable cutting device is used. By arranging the base body, the balance weight body, the control rod, the annular coloring agent box, the buoyancy body, the cutting knife, the dissolving block, the first spring, the second spring, the third spring and other structures, the pure mechanical cable cutting device is provided, and a problem of environmental pollution caused by the fact that a battery is left in water when underwater cables are cut through the pure mechanical cable cutting device is solved. The device is simple to operate and easy to maintain, and is suitable for underwater cable cutting lifesaving equipment, underwater cable cutting floating recovery equipment and underwater equipment needing delayed power failure. The whole action process is executed with low noise, targets are not easily exposed, and the method can be applied to special fields.

The invention relates to a vehicle road real-time communication system and communication method based on a cellular network. The vehicle road real-time communication system based on a cellular networkincludes a vehicle-mounted-end communication component, and a central platform, wherein the vehicle-mounted-end communication component is used for acquiring vehicle information and motion parametersfrom a vehicle-mounted client in real time, transmitting the vehicle information and the motion parameters to the central platform, and performing information verification and delay correction on thecontrol signal data; and the central platform is used for receiving the location information data sent by the vehicle-mounted-end communication component to perform analysis, association and matchingon the location information data, and sending the control signal data to the vehicle mounted-end communication component. Compared with the prior art, the vehicle road real-time communication systembased on a cellular network has the advantages of being flexible in system deployment, being safe and controllable, being simple in development and maintenance, supporting independent development, being low in delay and high in reliability, being low in traffic consumption, being preferable in scalability, supporting communication technology evolution and the like.

The invention provides a washing device for rocket engine parts. The device comprises a box body used for containing the parts to be washed, a vacuum assembly used for enabling the interior of the box body to be in a vacuum environment, a plasma washing assembly used for washing the parts and a reaction gas pump set used for pumping reaction gas into the box body, wherein the box body comprises a main cavity and an auxiliary cavity which communicate with each other; and the plasma washing assembly comprises a first pole plate and a second pole plate which are arranged in the main cavity and used for capacitive coupling discharging, and an inductance coil which is arranged in the auxiliary cavity and used for inductive coupling discharging. The invention further provides a washing method for rocket engine parts based on the washing device for rocket engine parts. Residual pollutants of the rocket engine parts can be washed away, the washing efficiency is high, and meanwhile, damage to the parts is avoided.

The invention discloses a fluid filtering method and a fluid filtering device. The fluid filtering device comprises a filtering medium, and further comprises a bracket, a cylindrical part, a first pipe and a power source, wherein a rotating shaft is arranged on the bracket; the cylindrical part is hollow, and two ends of the cylindrical part are arranged on the rotating shaft; the filtering medium is arranged on an outer edge of the cylindrical part; the first pipe penetrates through the interior of the rotating shaft, and an inlet end of the first pipe is positioned in the cylindrical part; and the power source is used for driving the cylindrical part to rotate. According to the filtering method and the filtering device, the operations of filtering and cleaning are synchronously performed, the cleaning effect is good, and blockage is avoided. Moreover, the filtering device is simple in structure and low in cost.

The invention discloses a bullet-proof wall. The bullet-proof wall mainly comprises an outer frame, a first filling layer, a PC board, a second filling layer, a standby board and a PE board, wherein aprotective board is fixedly mounted at the left end of the outer frame, the PC board is fixedly mounted on the left portion of the inner side of the outer frame and is located between the upper innerwall and the lower inner wall, the inner side of the outer frame is filled with the first filling layer which is located between the left side of the PC board and the inner wall of the outer frame, the PE board is fixedly mounted in the middle of the inner side of the outer frame and is located between the upper inner wall and the lower inner wall, the inner side of the outer frame is also filledwith the second filling layer which is located between the right side of the PC board and the left side of the PE board, and the standby board is fixedly mounted on the right portion of the inner side of the outer frame and is located between the upper inner wall and the lower inner wall. The bullet-proof wall is reasonable in structural design, low in cost which is only less than 50% of the price of existing products, and high in safety performance; the protection level can be freely adjusted; independently-developed buffering energy-absorption materials are arranged in the bullet-proof wall, so that the performance is excellent; the bullet-proof wall can be flexibly and conveniently assembled and disassembled in a modular mode and is convenient to maintain; and the bullet-proof wall islow in weight and thus can be moved from one place to another place more conveniently.

The invention relates to the field of geriatric rehabilitation training equipment, and particularly relates to rehabilitation training equipment applied to ageing resistance of legs and feet of old people. The rehabilitation training equipment comprises a bedstead; the bedstead is fixedly provided with sliding rods; a fixed seat stand is fixedly arranged at one ends of the sliding rods; a seat plate is fixedly arranged on the fixed seat stand; a backrest capable of regulating an angle is arranged on the seat plate; the other ends of the sliding rods are in sliding connection with a sliding seat; brackets are fixedly arranged on the sliding seat; a flat plate is fixedly arranged at the upper ends of the brackets; the flat plate is hinged with pedals; bandages are fixedly arranged on the pedals; a speed limiting mechanism is arranged on the sliding seat; the speed limiting mechanism can be connected with the sliding rods; a wooden support is arranged between the fixed seat stand and thesliding seat; the wooden support is respectively in hinged connection with the fixed seat stand and the sliding seat by two pulling rods; massage mechanisms are arranged at the middle parts of the pulling rods; and the massage mechanisms are connected with the middle part of the bedstead by pulling ropes. The rehabilitation training equipment applied to ageing resistance of legs and feet of old people implements training on legs of old people so as to improve strength of legs of old people and improve functionality, thereby taking an anti-ageing effect.

The invention provides a draw-out easy-to-overhaul high and low voltage switchgear cabinet, which comprises a cabinet body, a drawing plate, a mounting plate and a moving plate. The cabinet body is aframe structure with one open end. A plurality of slots are arranged circumferentially on the end surface of the open end of the cabinet body. The drawing plate is disposed at the open end of the cabinet body. A plurality of plungers are disposed on the inner side of the drawing plate, are arranged corresponding to the plurality of slots one to one, and can be detachably connected to the pluralityof slots. The mounting plate is disposed in the cabinet body and in parallel to the drawing plate. The moving plate is movably mounted on the bottom plate of the cabinet body, and has a first end anda second end connected with the drawing plate and the mounting plate respectively. A plurality of horizontally arranged storage plates are arranged at intervals in the vertical direction above the moving plate. The first end and the second end of each storage plate are slidably connected to the drawing plate and the mounting plate respectively. According to the invention, by pulling the drawing plate, electrical components mounted on the storage plates are removed from the cabinet body along with the drawing plate. The storage plates are slidably connected with the drawing plate and the mounting plate to facilitate the overhaul by workers.

The invention discloses a wave power mechanism which comprises a box, a connecting shaft and a power shaft. The connecting shaft and the power shaft are arranged on the box, the connecting shaft is connected with a gear, the power shaft is connected with a first overrun clutch and a second overrun clutch, the gear and the first overrun clutch are engaged, the first overrun clutch and the second overrun clutch are engaged through a bevel gear mechanism, and the connecting shaft penetrates through the box to be connected with a floating arm in the radial direction. The wave power mechanism is of a pure mechanical structure, and has the advantages of being reliable, simple, small in number of kinematic pairs, small in size, easy to maintain and long in service life. The gravity of a floating box and the buoyancy of seawater are utilized for driving the floating arm to do vertical undulatory motion to form reciprocating motion, the lever force of the reciprocating motion is converted into high-speed one-way rotation to drive a generator to generate power through the structure, intermittence, joints and idle stroke are avoided, synchronization is not needed, and the wave power mechanism is totally closed, free of noise and pollution, low in manufacturing and mounting cost and high in power generation efficiency.

The invention relates to a terminal box monitoring device based on a ubiquitous power internet. The terminal box monitoring device comprises a monitoring device body, a fire extinguishing device and acooling device. The monitoring device body comprises temperature sensors, a smoke detector and a controller. The fire extinguishing device comprises a fire extinguishing agent bottle, an electromagnetic valve, a fire extinguishing agent pipeline, a support and a sprayer, an electromagnetic container bottle head valve is arranged on the fire extinguishing agent bottle, and a low-leakage high-sealing valve is arranged between the electromagnetic container bottle head valve and the electromagnetic valve. The temperature sensors are linear temperature sensors, and the smoke detector is an air suction type smoke detector with high sensitivity. A communication module is arranged in the controller, and the communication module is in signal connection with the power internet. The cooling device comprises an induced draft fan with a motor. The controller is in signal connection with the temperature sensors, the smoke detector, the induced draft fan and the communication module. The terminal box monitoring device can detect and extinguish a fire in a terminal box and transmit a signal to an inspector, so that the property loss is reduced, unnecessary inspection is reduced, and the labor intensity is reduced.

The invention relates to the technical field of tool storage equipment, and discloses a plane design drawing tool splicing type storage device. The storage device comprises a storage box body, whereina drawing pen tool clamping and connecting groove is formed in the bottom of an inner cavity of the storage box body; a separation plate is arranged in the middle of the bottom of the inner cavity ofthe storage box body; a fixing belt positioned on the inner wall of the storage box body is fixedly arranged above the drawing pen tool clamping and connecting groove; four sliding grooves which aremutually symmetrical are formed in the left side and the right side of the inner cavity of the storage box body; sliding blocks are glidingly connected inside the four sliding grooves; the four sliding grooves penetrate to the middle part of the inner cavity of the storage box body; an installing plate is fixedly arranged at one side, positioned inside the storage box body, of the four sliding blocks. The plane design drawing tool splicing type storage device has the advantages that through the matched use between the clamping and connecting device and the installing plate, the whole storage device is spliced and layered; the space utilization rate of the device is improved; the storage space is further increased, so that the device can be more conveniently maintained; the maintenance difficulty is reduced.

The invention discloses a novel adjustable hydraulic stretcher convenient to move. The hydraulic stretcher comprises an upper cross beam, a hydraulic cylinder is fixedly arranged on the outer surfaceof the upper end of the upper cross beam, and a liquid filling valve is fixedly arranged on the outer surface of the upper end of the hydraulic cylinder. A pressurizing pipe is fixedly arranged at theposition, close to one side of the liquid filling valve, of the outer surface of the upper end of the hydraulic cylinder. An oil return pipe is arranged behind the hydraulic cylinder, a stop nut is fixedly installed on the outer surface of the upper end of the upper cross beam, the stop nut is located on one side of the hydraulic cylinder, and a stand column is arranged on one side of the outer surface of the lower end of the upper cross beam. The novel adjustable hydraulic stretcher convenient to move is provided with a connecting plate, a filter and a tempered glass cover, is relatively convenient to disassemble, can be conveniently maintained by people, and can be used for filtering fed gasoline. The safety of the hydraulic stretcher during working is improved, and better application prospects are brought.

Along with the rapid development of the industrial explosive packaging technology, plastic film charging is vigorously promoted, and under the circumstance, the packaging of the middle package under paper tube charging is wasteful and is unfavorable for improving the packaging efficiency. The invention aims to charge, feed into a box and package after the middle package is canceled. The system consists of a box blocking device, a rear baffle of a cartridge, two groups of front baffles of the cartridge, a lifting device, a U-shaped trough of a link plate belt and a cartridge propelling device, wherein a cartridge box feeding path is formed by the front baffles of the cartridge to ensure that the cartridge is free from falling when entering the box; the rear baffle of the cartridge and the cartridge propelling device are used for enabling the cartridge to be longitudinally leveled and to be placed on a proper position; the encasement efficiency is guaranteed by the lifting device; one box of explosive can be pushed into the box body once by the cartridge propelling device; the cartridge propelling device is driven by two cylinders to respectively act, so that the box feeding system has the advantages of simple structure and brief movement; and because the position of a carton box is fixed by the box blocking device, the whole system has the advantages of compact structure, stable system and convenience in maintaining.

The invention relates to a floating floor device applied to water body ecological restoration. According to the technical scheme, the floating floor device applied to water body ecological restoration is characterized by comprising control columns, a heat preservation hood, a heat preservation enclosure ecosystem and a floating floor, wherein at least three control columns are available; the heat preservation hood is made of a light permeable film and is arranged above the control columns through support rods so as to form a conical hood; the lower side of the heat preservation hood is parallel to the top ends of the control columns; the heat preservation enclosure ecosystem surrounds at the periphery of the control columns through the cooperation of the control columns; the lower side surface of the heat preservation enclosure ecosystem is contacted with mud at the bottom of a water body; the upper side surface of the heat preservation enclosure ecosystem is parallel to the top ends of the control columns; and the floating floor is on the water level inside a relative sealed chamber. By adopting the scheme, the problems that in the conventional opened floating floor, plants hardly grow in winter and are easily affected by external pollution resources are effectively solved, the growth of aquatic plants on the floating floor is well prompted, and the purification of the water body is effectively realized.