40results about How to "Easy to check and replace" patented technology

The invention provides a modularized box type charging and battery swapping station used for replacing a battery of an electric car. The charging and battery swapping station comprises a central monitoring room 1, a battery swapping robot 2 and a charging and battery swapping box 3, wherein the central monitoring room 1 is used for monitoring the charging and battery swapping station, the battery swapping robot 2 is located between the charging and battery swapping circuit 3 and the electric cars provided with batteries to be replaced, and the battery between the electric cars provided with batteries to be replaced can be replaced; and a battery storage rack 301, a battery charger cabinet 302, a monitoring cabinet 303, a distribution cabinet 304, a temperature control system 305 and an access path 306 are arranged in the charging and battery swapping box 3. The modularized box type charging and battery swapping station, provided by the invention, has the advantages of strong adaptability, flexible configuration and expansibility, small floor space, high working efficiency, short construction period, benefit for large-scale popularization and construction, high automation degree, smaller device maintenance amount, simple structure and low fault rate.

The invention discloses a circulating zero-valent iron biofilter for strengthened treatment of rural domestic wastewater. The circulating zero-valent iron biofilter is structurally characterized in that a plurality of wastewater treatment units are arranged underground; the rural domestic wastewater is collected into the wastewater treatment units for circulating and strengthened treatment through a water pipeline system; the treated domestic wastewater is used as agricultural irrigation water or for supplementing groundwater or is directly discharged into a river; each wastewater treatment unit comprises a pretreatment pool, a circulating pool and a zero-valent iron biofilter; and the treatment units are structurally independent of one another and communicate through pipes. The circulating zero-valent iron biofilter has the advantages of low maintenance, low energy consumption, water quality impact resistance and high wastewater treatment efficiency; the advantages of intensive and ecological technical routes are coupled through only one pump, complicated drainage conditions of rural areas are coped with easily and the stability of effluent quality is ensured; and meanwhile, surface land resources are saved and the circulating zero-valent iron biofilter is simple and applicable, and is convenient to operate and manage and low in cost.

The invention discloses a distributed strain collector for long-term safety monitoring of a ship structure. The distributed strain collector comprises a circuit board hardware, a shell, a power supply communication socket and a sensor socket, wherein the power supply communication socket and the sensor socket are mounted on two side walls of the shell; the circuit board hardware is fixed at the bottom of the shell; each power supply and each signal wire on the circuit board hardware are connected with the power supply communication socket and the sensor socket through wires; the circuit board hardware consists of a signal modulation and collection module, a microcontroller, a controller area network (CAN) communication module and a power supply management module; the applicable sensor is a resistance strain sensor. A plurality of distributed strain collectors disclosed by the invention are combined with a monitoring host so as to build a large distributed sensor network for long-term safety monitoring of ship structures; each strain collector can be flexibly arranged near the sensor to monitor the strain stress of the ship structure in real time and transmit the measuring data to the monitoring host in real time.

The invention relates to a material stirring device, and in particular relates to a material stirring device for producing brake blocks. The technical problem to be solved in the invention is to provide a material stirring device for producing brake blocks, which can uniformly stir and mix a large number of raw materials at a high speed. In order to solve the technical problem, the invention provides such a material stirring device for producing brake blocks. The material stirring device comprises a bottom plate, a swing device, a stirring box, a top plate, a lifting device and a stirring rod, wherein the swing device is connected to the top of the bottom plate, the stirring box is connected to the top of the swing device, the top plate is arranged on the upper side of the stirring box, the lifting device is connected to the bottom of the top plate, the stirring rod is connected to the bottom of the lifting device, and the stirring rod is located in the stirring box. The material stirring device is provided with the lifting device to drive the stirring rod to move up and down so as to stir the raw materials in the stirring box, and thus the effect of stirring the raw materials quickly and effectively is realized.

The invention provides a modularized box type charging and battery swapping station used for replacing a battery of an electric car. The charging and battery swapping station comprises a central monitoring room 1, a battery swapping robot 2 and a charging and battery swapping box 3, wherein the central monitoring room 1 is used for monitoring the charging and battery swapping station, the battery swapping robot 2 is located between the charging and battery swapping circuit 3 and the electric cars provided with batteries to be replaced, and the battery between the electric cars provided with batteries to be replaced can be replaced; and a battery storage rack 301, a battery charger cabinet 302, a monitoring cabinet 303, a distribution cabinet 304, a temperature control system 305 and an access path 306 are arranged in the charging and battery swapping box 3. The modularized box type charging and battery swapping station, provided by the invention, has the advantages of strong adaptability, flexible configuration and expansibility, small floor space, high working efficiency, short construction period, benefit for large-scale popularization and construction, high automation degree, smaller device maintenance amount, simple structure and low fault rate.

The invention provides an electric energy recycling and heat dissipation device of a big-power IGBT device. The device is formed by a big-power IGBT device, a cooling fin, a semiconductor thermoelectric module, a voltage stabilizing circuit, a storage battery and a water cooling pipeline. According to the invention, a temperature difference power generation sheet of the semiconductor thermoelectric module is fixed on a fin of the cooling fin through a buckle; the semiconductor thermoelectric module achieves thermoelectric conversion by use of the temperature difference power generation principle; an electric energy output end of the semiconductor thermoelectric module is connected with an input end of the voltage stabilizing circuit; an output end of the voltage stabilizing circuit is connected with the storage battery; massive heat energy of the big-power IGBT device can be converted into usable electric energy; the device can be widely applied in a convertor station, a transformer station and the like in an actual electric power system; and obtained electric energy can be stored and applied to other electric equipment.

The invention relates to a heavy-duty compound buffer device for a belt conveyor, which comprises a buffer roller device and a buffer bed device, and the buffer roller device and the buffer bed device are arranged at intervals. The buffer idler device includes a support base, and a buffer idler support beam is fixed between the support bases, and a left idler column and a right idler column are respectively fixed at both ends of the buffer idler support beam, and the left idler column The left buffer roller is installed obliquely between the buffer roller support beam, the right buffer roller is installed obliquely between the right idler roller column and the buffer roller support beam, and the middle part of the buffer roller support beam is installed horizontally. Roller. This composite buffer combines the advantages of the buffer roller and the buffer bed, has double buffering effects, effectively overcomes the traditional single-structure buffer device, and improves the buffering effect.

The invention discloses a liquid heater with double inner tanks. Through the double inner tanks arranged in the outer shell, an insulating layer is filled between the double inner tanks and the outer shell. The upper and lower inner tanks are equipped with electric heating tubes and temperature sensors. The upper and lower inner tanks are heated separately, which can effectively prevent excessive heating and cause waste, and greatly save heating time. How much to use, how much to heat, the electric heating tube and the temperature sensor are connected to the controller for control, intelligent control is carried out through the controller, the operation is simple and safe, the bottom of the lower inner tank is equipped with a magnesium rod placed in the lower inner tank to protect the surrounding metal water tank , Do not corrode the water pipe too much. The lower end of the magnesium rod is provided with a sewage outlet installed on the shell, and the water outlet of the water outlet pipe is set in the upper inner tank. The water outlet of the water outlet pipe is higher than the height of the electric heating tube in the upper inner tank. Wherein the water inlet is provided with a one-way valve.

The invention relates to the technical field of agricultural machinery, in particular to a multi-functional sugarcane cultivator. The cultivator comprises a rack, a power device, a transmission device, a fertilizer apparatus, a ridge breaking device and a laminating device or a ridging device. The power device is installed on the top of the front of the rack. The transmission device is arranged at the portion, under the power device, of the rack and is detachably connected with the ridge breaking device. The fertilizer apparatus is installed on the rack and located at the two opposite sides of the power device. The laminating device or the ridging device is detachably connected with the back of the rack. The multi-functional sugarcane cultivator is simple in structure, capable of having multiple functions, high in practicability and suitable for promotion in the field, and functional components can be replaced to meet different demands of planting management.

An accumulator mounting structure used for solar energy lighting device is composed of a concrete foundation, a accumulator and a movable baffle plate; an accumulator installation tank and an in-out channel are formed in the concrete foundation; the accumulator is installed in the accumulator installation tank in the concrete foundation, can be taken out and put in through the in-out channel; and the channel is sealed by the movable baffle plate. The structure can be widely used in solar energy lighting field, can effectively prevent accumulator from being destroyed or stolen; provides convenience to accumulator detection and replacement, and has beautiful appearance and low cost.

The invention discloses a plastic mixer convenient for sampling inspection. The plastic mixer convenient for sampling inspection comprises a mixing cylinder, wherein a base is arranged under the mixing cylinder; support pillars are symmetrically and fixedly connected onto the base; the mixing cylinder is arranged between the two support pillars; a motor case is fixedly connected to the lower end of the mixing cylinder; a motor is arranged in the motor case; a rotary shaft is rotatably connected into the mixing cylinder; multiple stirring shafts are connected onto the rotary shaft in a sleevingway; a drive shaft is rotatably connected to a drive end of the motor and is connected with the rotary shaft; a sealed cover is arranged at the upper end of the mixing cylinder; an inserting hole isformed in the sealed cover; a sealed block is clamped onto the inserting hole; and a connecting rope is fixedly connected to one side of the sealed block. According to the plastic mixer convenient forsampling inspection provided by the invention, through the inserting hole in the sealed cover, a flexible pipe stretches into the inserting hole so as to adsorb inner plastic materials and can stretch into different positions so as to comprehensively check a mixing effect, the method is simple, materials cannot be polluted, and the effectiveness of an inspection result is ensured.

The invention discloses a KU wave band tuner. The tuner comprises a circuit board protection shell, an aluminum limiting plate, fixing screw holes, output heads, a connecting pipe, an isolation protection shell and a sliding connection buckle. The circuit board protection shell is of a rectangular structure. The aluminum limiting plate is fixedly connected to the left side of the circuit protection shell; the multiple fixing screw holes are fixed to the surface of the aluminum limiting plate at equal angle. The four output heads are connected to the surface of the aluminum limiting plate through bolts at equal angles. According to the invention, the advanced ultra-low noise technology at the present stage is adopted; dual local oscillators are used to balance frequency mixing, the intermediate frequency is amplified to optimize an integrated circuit, so that the tuner is obvious in power gain, low in noise, excellent in phase noise index and high in reliability, meanwhile, the tuner isof a split structure, the sliding connection buckle over the connecting pipe can be disassembled and assembled in a sliding mode, internal elements are convenient to check and replace when being damaged, and the service life of the tuner is prolonged.

The invention discloses a KU-band high-frequency head, which comprises a circuit board protection case, an aluminum limiting plate, a fixing screw hole, an output head, a connecting pipe, an isolation protection case, and a sliding buckle. The circuit board protection case is rectangular structure, the aluminum limiting plate is fixedly connected to the left side of the circuit protection case, multiple fixed screw holes are fixed on the surface of the aluminum limiting plate at equal angles, and the four output heads are connected to the surface of the aluminum limiting plate with equiangular bolts, The present invention adopts the advanced ultra-low noise technology at the present stage, uses dual local oscillators, balances the frequency mixing, amplifies the intermediate frequency, and optimizes the integrated circuit. Therefore, this kind of tuner has obvious power gain and low noise , The phase noise index is excellent and the reliability is high. At the same time, the invention adopts a split structure, and the sliding buckle above the connecting pipe can be slid, disassembled and installed. When the internal components are damaged, it is convenient to check and replace, and the service life of the tuner is increased.

The invention relates to a multifunctional scroll-barrel-type recording and displaying system which comprises an upper scroll, a lower barrel and recording and displaying paper, wherein the upper scroll is provided with a paper groove, the lower barrel is internally provided with a lower scroll and a paper outlet, the two ends of the recording and displaying paper are respectively connected with the upper scroll and the lower scroll, an upper scroll head is arranged at each of two ends of the upper scroll and installed in a fixed foot, the upper scroll head at one of the two ends of the upper scroll is installed in a scroll switch of the corresponding fixed foot, a scroll head runner is arranged at the other end of the upper scroll and is sleeved on the upper scroll in a flexible connection manner, and a pull rope is wound on the scroll head runner and comprises a front pull rope and a rear pull rope. The multifunctional scroll-barrel-type recording and displaying system has the characteristics of simple structure, low manufacturing cost, wide application and convenience in checking, replacing and carrying.

The invention discloses a tamping machine convenient to maintain. The tamping machine comprises a machine body, the bottom of the machine body is fixedly connected with traveling wheels, the bottom ofan inner cavity of the machine body is fixedly connected with a fixed seat, a movable seat which is the same as the fixed seat is arranged on the right side of the fixed seat, sliding grooves are formed in the inner side of the fixed seat and the inner side of the movable seat correspondingly, sliding rods are arranged inside the sliding grooves, and the inner sides of the sliding rods are fixedly connected with a heavy block. By arranging a rotating disc, a fixing sleeve, a pin shaft and a clamping block, the pin shaft is pulled out to enable the fixing sleeve and the rotating disc to be separated from a groove, thus the rotating disc can be dismantled easily and rapidly, and inspection and replacement are facilitated; through guidance of an adjusting wheel and a pulley and back-and-forth pull-up of an adjusting pull wire, abrasion on the rotating disc and the pull wire is reduced; and by arranging the fixed seat, the movable seat, a cover plate and an electric push rod, a clamping part is loosened to open the cover plate, the movable seat is pulled back through operation of the electric push rod for separating and dismantling, thus inspection is facilitated, and the maintenancetime is saved.

The invention provides a three-plunger reciprocating pump. The three-plunger reciprocating pump comprises a pump head body, a plurality of valve group modules and a stuffing box, wherein the valve group modules are arranged on the exterior of the pump head body, each valve group module is arranged and installed at the end part of the pump head body, a plurality of valve bodies are arranged in the valve group modules, and the stuffing box is connected with the other end of the pump head body. The pump head body is provided with a liquid inlet main channel and a plurality of liquid inlet subchannels which communicate with the liquid inlet main channel. A valve group liquid inlet is formed in each valve group module. The liquid inlet subchannels communicate with the valve group liquid inlets one by one correspondingly. One end of the pump head body is further provided with a liquid discharging main channel and liquid discharge subchannels which communicate with the liquid discharging main channel. A valve group liquid discharging opening is formed in each valve group module. The liquid discharging subchannels communicate with the valve group liquid discharging openings one by one correspondingly. According to the three-plunger reciprocating pump, a runner structure of the pump head body is simplified, the machining precision is improved, and the service life of the pump head body is prolonged; and the structure of the pump is more reasonable and extremely convenient to install, use and maintain.

The invention relates to a multifunctional box-type LCD record display system. The system comprises an upper box, a scroll and record display paper, wherein the upper box is provided with a paper inlet and an upper scroll in the upper box; one end of the record display paper is mounted on the upper scroll through the paper inlet of the upper box; the other end of the record display paper is loaded on the scroll; an LCD device is arranged on the upper box; and the LCD device is provided with a communication interface. The record display paper can be used for enjoying pictures by mounting pictures thereon or for singing songs for students by printing songs thereon, or can be used as a black board by mounting a piece of PVC (polyvinyl chloride) black cloth or as a white write board by spraying white PVC canvas, which can be used repeatedly by erasing characters written with a whiteboard marker. The multifunctional box-type LCD record display system can be used in a plurality of fields, and has the advantages of simple structure, low manufacture cost, wide application, high convenience in looking up and replacing, and high portability.

The invention relates to a double-sleeve type multifunctional remote-control record displaying system, which comprises an upper sleeve, a lower sleeve and record displaying paper. An upper roll is arranged in the upper sleeve, a lower roll is arranged in the lower sleeve, the upper sleeve is provided with an inlet, the lower sleeve is provided with an outlet, the record displaying paper passes through the outlet and the inlet, one end of the record displaying paper is connected with the upper roll, the other end of the record displaying paper is connected with the lower roll, one end of the upper roll is connected with an output shaft of a remote-control motor, the upper sleeve is provided with a base, the base is connected with the upper sleeve integrally, the left end and the right end of the upper sleeve are respectively provided with an upper end cap, the upper end cap is provided with an inner layer and an outer layer, the outer layer is connected with the upper sleeve in an embedded manner, and the inner layer is provided with a fixing position of the upper roll. The double-sleeve type multifunctional remote-control record displaying system can be applied to various fields and has the advantages of simple structure, low manufacturing cost, wide application range and convenience in viewing, replacing and carrying.

The invention discloses a PLC wireless communication fault detection system and method, and relates to the technical field of wireless communication. The PLC wireless communication fault detection system comprises a monitoring terminal and a PLC, wherein the PLC comprises a PLC control unit, two wireless communication modules and a state monitoring unit; the state monitoring unit is used for respectively monitoring state information of the two wireless communication modules and transmitting the state information to the PLC control unit; the PLC control unit is used for controlling switching toselect the wireless communication modules according to the state information of the two wireless communication modules; and the monitoring terminal comprises a communication analysis unit, a log recording unit and a storage unit. The two wireless communication modules are integrated on the PLC control unit, and the state information of the currently used wireless communication module is monitoredby means of the state monitoring unit; when the state information of the wireless communication is an abnormal state, the PLC control unit switches to use another wireless communication module to carry out wireless communication with the monitoring terminal; and thus the abnormal communication of the PLC caused by the abnormality of the wireless communication module is avoided, and the loss is reduced.

The embodiment of the invention provides an automobile windshield deicing device and an automobile, relates to the technical field of automobiles, and is used for solving the problems that an automobile windshield deicing device in the related technology is large in resource loss, inconvenient to machine and maintain, low in reliability, poor in deicing effect and large in influence on the visual field. The embodiment of the invention provides an automobile windshield deicing device. The automobile windshield deicing device comprises a sliding rail, an electric heating wire and a driving mechanism. The number of the sliding rails is two, and the two sliding rails are used for being oppositely arranged on the two opposite sides in the circumferential direction of a windshield. The heating wire is used for switching on a power supply; two ends of the heating wire are slidably connected with the two sliding rails respectively; the driving mechanism is used for driving the two ends of the electric heating wire to slide along the two sliding rails correspondingly. The automobile windshield deicing device provided by the embodiment of the invention is used for removing frost condensed on the automobile windshield.

The invention discloses a hub bearing with a spline structure, which comprises a rotary joint, a flange inner ring, a flange outer ring and a connection inner ring, and a first rolling groove is formed between the flange inner ring and the flange outer ring , a second rolling groove is formed between the inner ring of the connection and the outer ring of the flange, steel balls are arranged in the first rolling groove and the second rolling groove, and a snap-fit ​​groove is formed on the inner ring of the flange, and the connection The inner ring is divided into a first ring body and a second ring body, and a number of guide grooves and guide blocks are arranged between the first ring body and the second ring body. , the first ring body is clamped and arranged in the clamping groove, the first ring body and the second ring body are respectively provided with a first slideway and a second slideway at the positions corresponding to the steel balls, and the second ring body faces outwards from the flange. A shielding platform extends from the ring, and the second ring body extends toward the rotary joint to form a shielding platform. Its structure is reasonable, it has a good sealing effect, and at the same time, it is convenient for oil replenishment and disassembly, and improves the use effect of the overall structure.

The invention relates to the technical field of agricultural machinery, in particular to a multi-functional sugarcane cultivator. The cultivator comprises a rack, a power device, a transmission device, a fertilizer apparatus, a ridge breaking device and a laminating device or a ridging device. The power device is installed on the top of the front of the rack. The transmission device is arranged at the portion, under the power device, of the rack and is detachably connected with the ridge breaking device. The fertilizer apparatus is installed on the rack and located at the two opposite sides of the power device. The laminating device or the ridging device is detachably connected with the back of the rack. The multi-functional sugarcane cultivator is simple in structure, capable of having multiple functions, high in practicability and suitable for promotion in the field, and functional components can be replaced to meet different demands of planting management.

The invention relates to a composite thermal-insulation concrete slab all-air residential central air conditioner system and an installation method thereof. The air supply hole of a residential central air conditioner is connected with a main air supply pipe; the air return hole of the residential central air conditioner is connected with a main air return pipe; the main air supply pipe is communicated with an air supply branch pipe; the air supply branch pipe is communicated with an air supply opening; the main air return pipe is communicated with an air return branch pipe; the air return branch pipe is communicated with an air return opening; the air supply branch pipe and the air return branch pipe are respectively inserted into two reserved channels of a floor slab template; the air return opening and the air supply opening are respectively formed on the bottom of the floor slab template and are communicated with the reserved channels in the floor slab template; and the floor slabtemplate is formed by jointing convex polystyrene thermal-insulating foaming slats. The composite thermal-insulation concrete slab all-air residential central air conditioner system solves the technical problem such as large occupied area of pipes of prior air conditioner, and solves the problems such as high construction cost and long construction time of pipes of the prior air conditioner, and complex system structure and inconvenient construction of the prior pipes.

The invention relates to a multi-functional cylinder liquid crystal and remote control recording display system, which comprises an upper cylinder, a winding shaft and recording display paper. One end of the recording display paper is wound on the winding shaft, the upper cylinder is provided with a paper inlet, an upper winding shaft is arranged inside the paper inlet, and the other end of the recording display paper is wound on the upper winding shaft through the paper inlet of the upper cylinder. A liquid crystal display device and a remote control device are arranged on the upper cylinder or a bottom board, an output shaft of a remote control motor of the remote control device is connected with one end of the upper winding shaft, and a communication port is arranged on the liquid crystal display device. The multi-functional cylinder liquid crystal and remote control recording display system can be applied to a plurality of fields and has the advantages of being simple in structure, low in manufacture cost, wide in use, and convenient to check, replace and carry.

The invention relates to a device for filling a pipe splicing pipe with shielding gas. The device for filling the pipe splicing pipe comprises a gas outlet connecting pipe, the gas outlet connecting pipe is communicated with a first gas bag, a pressure check valve, a second gas bag and the first end of a three-way ball valve, the pressure check valve is located between the first gas bag and the second gas bag, and the three-way ball valve is located on the outer side of a workpiece. The second end of the three-way ball valve is communicated with a gas inlet pipe to input the shielding gas. 1, The device for filling the pipe splicing pipe is compact in structure, small in occupied space and convenient to manufacture and maintain; 2, time and labor are saved during dismounting, mounting and moving, gas loss is low, and energy conservation and environmental protection are achieved; 3, by adopting the particularity of the adjustable size of a double-gas-bag structure due to inflation expansion and deflation contraction, the device for filling the pipe splicing pipe can adapt to pipes with different specifications and irregular cavity sections; and 4, abrasion-proof heat insulation strips are arranged on the peripheries of the double gas bags, and damage and breakage caused by too high temperature of the inner wall of the contact pipe when the gas bags are abraded and expanded are effectively prevented.

The invention relates to the technical field of rhenium recycling and use, in particular to a method for preparing metallic rhenium. According to the method provided by the invention, the high-purity metallic rhenium is prepared by taking ammonium perrhenate as a raw material through two steps; in the first step, high-purity ultrafine ammonium perrhenate is first prepared; in the second step, the ammonium perrhenate is reduced into high-purity metallic rhenium powder through a reducing method; ultrasonic auxiliary crystallization and vacuum drying are adopted; in the process of ultrasonic crystallization, an ultrasonic crystallizer with an opened kettle body and a detachable ultrasonic transducer are adopted. Due to the adoption of an ultrasonic crystallization-hydrogen reduction combined process, the ammonium perrhenate serving as the raw material is used for preparing the high-purity metallic rhenium, so that the flow is simplified, the reaction time is shortened, the energy is saved, and the consumption is reduced; the raw material is high in adaptability, so that the requirement on the raw material is lowered; ultrasonic waves directly act on the ammonium perrhenate material, and the utilization rate is high; the detachable structure is easy to check and replace, and favorable for industrialization.

The invention relates to a multi-functional double-cylinder type liquid crystal display and remote control recording display system, which comprises an upper cylinder, a lower cylinder and a recording display paper, wherein an upper scroll is arranged in the upper cylinder, a lower scroll is arranged in the lower cylinder, the upper cylinder is provided with a paper inlet, the lower cylinder is provided with a paper outlet, the recording display paper passes through the paper outlet and the paper inlet, one end of the recording display paper is connected with the upper scroll, the other end of the recording display paper is connected with the lower scroll, one end of the upper scroll is connected with an output shaft of a remote control motor, the upper cylinder is provided with a base, the base is provided with a liquid crystal display device, the liquid crystal display device is provided with a communication interface, and the base and the upper cylinder are connected integrally. The multi-functional double-cylinder type liquid crystal display and remote control recording display system has the advantages of simple structure, low making cost, wide purpose and convenient viewing, replacing and carrying.