47results about How to "Easy to observe working conditions" patented technology

A novel upright assembling and disassembling device for upright columns of a hydraulic support consists of a body rack portion (a), a head and lifting device (b), a cylinder pressing and pushing mechanism (c), a workpiece feeding device (d), a workpiece feeding cylinder (e), a hydraulic pump station and an electrical control system. By an integrated design scheme, assembling and disassembling operations of the upright columns are finished on the device, various problems in the existing horizontal assembling and disassembling device are effectively solved, the work efficiency is improved, the labor intensity is reduced, the energy consumption is decreased, and the assembling and disassembling quality of the upright column is improved. In addition, the novel upright assembling and disassembling device has high economic benefit and high social benefit; and the popularization and application prospects of the device is wide.

The invention relates to a device and a method for forming a fiber reinforced resin-based composite material plate through hot stamping. The device comprises a female die component, a male die component, a blank holder, a supporting device, a hot oil heating system and a die water spray cooling system, wherein the female die component is connected with a sliding block of a press; the male die component is arranged on a pedestal; and the blank holder and the supporting device are arranged on the pedestal. The forming method comprises the following steps: placing a plate material on the surface of the blank holder; starting the hot oil heating system to heat a female die, a male die and the blank holder to the set temperature; starting the press; driving the female die to move close to and contact with the plate materials; suspending operation; heating the plate material to the softening temperature of a resin matrix through contact heat transfer of the female die, the male die and the blank holder; continuously operating the press; descending a nitrogen cylinder; adjusting the nitrogen cylinder to obtain the proper blank holder force; and gradually forming the plate material. By the device and the method, the fiber reinforced resin-based composite material plate can be formed through hot stamping and formation efficiency and quality are guaranteed.

The invention discloses a stone crushing and screening machine for mining engineering. A third motor is fixedly arranged in a first motor box, and the output shaft of the third motor penetrates through the top of a gearbox and extends to the interior of the gearbox to be fixedly provided with first gears. The invention relates to the technical field of engineering machinery. According to the stonecrushing and screening machine for the mine engineering, a first roller shaft and a second roller shaft are obliquely arranged, so that large stones which cannot pass through the first roller shaft and the second roller shaft cannot be moved to the front end of the first roller shaft and the front end of the second roller shaft; the second motor drives a first belt wheel to rotate, a belt is usedfor driving a second belt wheel to rotate, and a threaded sleeve is driven to rotate, so that a screw rod drives the first motor box and the gearbox to move downwards; and the third motor drives thefirst gears to rotate, and second gears which are meshed with each other are used for driving the drill bit to rotate at a high speed, so that the large stones are crushed, and the crushed small stones can be crushed through the first roller shaft and the second roller shaft.

The invention relates to an electric cleaning vehicle, which comprises a vehicle computer, a front fork assembly, a handlebar assembly and a membrane switch control system; a mop rack assembly is arranged at the front end of the vehicle body; a seat is rotationally and movably arranged on the rear part of the vehicle body; a storage battery and a driving device are fixed on the rear part of the vehicle body; the lower end of the front fork assembly is provided with front wheels, while the upper end is fixed with the handlebar assembly; the upper end of the handlebar assembly is provided with handlebars; the membrane switch control system comprises a control handle, a membrane switch panel, and a fast and slow circuit and an emergency circuit which are integrated in the membrane switch panel; the membrane switch panel is arranged at the upper end of the handlebar assembly, and is provided with a fast and slow switch and an emergency switch which are connected with corresponding indicator lights; and the storage battery is connected with the vehicle computer, the fast and slow circuit and the emergency circuit are all connected with the vehicle computer, the control handle is connected with the vehicle computer, and the vehicle computer is connected with the driving device. The electric cleaning vehicle is used for airports, stations, docks and electric power plants.

The invention discloses a drying and fold removal integrated machine for spinning. The drying and fold removal integrated machine for spinning comprises a machine body, wherein partition boards are fixedly connected with two sides in the machine body; fixed blocks are fixedly connected with the top and the bottom of the right side of an inner cavity of the machine body; air outlet holes are formedin the surfaces of the fixed blocks; heating wires are fixedly connected into the fixed blocks; a storage battery, a heating box, a fan and a control panel are fixedly connected with the top of the machine body from left to right in sequence. By cooperative use of the storage battery, the heating box, the fan, the control panel, an air outlet pipe, the heating wires, a heater, steam outlet pipes,first electric telescopic rods, a bracket, a steam press wheel and steam outlet holes, the drying and fold removal integrated machine for spinning is convenient to use, has high drying efficiency, and can remove folds on the surface of the fabric during fabric processing, folds cannot appear on the surface of the fabric, following processing of the fabric cannot be affected, demands of people canbe met, and the machine is convenient to use.

The invention provides a machining unit suitable for panels of different widths. The machining unit comprises a cutting machine and a drilling machine which are connected through a second conveying part. The cutting machine comprises a supporting mechanism and a limiting mechanism capable of moving. The supporting mechanism comprises a base and a supporting rod which are fixed through a locking part. The length of the supporting rod of the supporting mechanism can be adjusted according to the widths of the panels so that it can be ensured that the suspended ends of the panels are supported, and saw clamping or fracture of the panels in the cutting process is avoided. Meanwhile, the movement of a limiting plate is achieved through the limiting mechanism via a clamp, the distance between the limiting plate and an abrasive-disk cutter is adjusted so as to cut the panels of different sizes, and adaptability of the cutting machine is improved. The panels cut through the cutting machine are conveyed to the drilling machine through the second conveying part, the process is smooth, too much manpower does not need to be input, and the work efficiency is high. The unit is simple in overall structure, operation is convenient and can be finished by common workers, and manpower is reduced by at least one half.

The invention discloses a diffusion pump, and particularly relates to a large-caliber high vacuum oil diffusion pump, which is suitable for a vacuum furnace and a vacuum coating machine. The large-caliber high vacuum oil diffusion pump comprises a pump body, and a pump core component arranged in the pump body, wherein a heater is arranged at the bottom of the pump body; an oil stop device is arranged in an exhaust port of the pump body; the pump body adopts a convex cavity structure; the pump core component is vertically mounted in a center oil tank in the pump body, and is formed into an integral structure by a first-stage guide pipe, a second-stage guide pipe and a third-stage guide pipe arranged in sequence from inside to outside; umbrella cap-shaped diffusion nozzles are respectively arranged at the upper parts of all the guide pipes; a spraying nozzle is vertically welded at the bottom of the third-stage guide pipe; the first-stage guide pipe is higher than the second-stage guide pipe; and the second-stage guide pipe is higher than the third-stage guide pipe. The large-caliber high vacuum oil diffusion pump has the characteristics of large caliber, high limit vacuum degree, high pumping rate, low oil return rate and low electricity consumption.

The invention discloses a high-automation powder cake forming machine, which comprises a box. A rack is arranged in the box; a guiding rail is arranged on one side of the rack; a moving plate is slidably connected to the guiding rail; a plurality of placement grooves are formed in the moving plate; the guiding rail is sequentially provided with a box feeding device, a powder feeding device, a powder pressing device and a discharging device; the box feeding device comprises a box placement rotating disc, and a manipulator is arranged between the box placement rotating disc and the guiding rail;the powder feeding device comprises a powder feeding guiding rail, a bottom plate is fixedly connected to the powder feeding guiding rail, and a powder box is slidably connected to the powder feedingguiding rail and arranged above the bottom plate; the powder pressing device comprises a pressing plate, and oil absorbing paper is arranged between the pressing plate and the moving plate; and the discharging device comprises a discharging guiding rail, a suction moving plate is slidably connected to the discharging guiding rail, and suction holes are formed in the positions, corresponding to all the placement grooves, on the suction moving plate correspondingly. The labor intensity can be lowered, and the advantages of high work efficiency and high safety are further achieved.

The invention discloses a woof doubling detecting device which comprises a base, wherein a pay-off wheel is rotatably connected with one end of the top of the base; a doubling machine is fixedly connected with the other end of the top of the base; an air cylinder is fixedly connected with one side of the pay-off wheel; a woof bunching sleeve is arranged at the top of the air cylinder; a bracket isfixedly connected with one side of the doubling machine; a driving roller is arranged at the top of the bracket; a motor is arranged at one end of the driving roller; and a detecting rack is arrangedbetween the air cylinder and the bracket. According to the woof doubling detecting device, a woof is tensioned to stress an eye shaped shuttle, a movable rod compresses a first spring to limit a metal ball at the top end of a sliding rail, a tension sensor is cooperated with a single-chip microcomputer to intelligently control the air cylinder to stretch and draw back, the stress size to the woofis adjusted, and the woof fracture risk is reduced; when the woof breaks, the first spring resets, a blocking piece moves away, the metal ball accelerates to move to burst open a swing link and reachthe top end of an infrared sensor, and the infrared sensor is cooperated with the single-chip microcomputer to intelligently control a motor and a buzzer to work so as to improve the woof doubling effect.

The invention discloses a paint drying device for three-phase asynchronous motor fittings. The paint drying device for the three-phase asynchronous motor fittings comprises a shell; a motor is fixedlyconnected to the top of the shell; the bottom end of a motor rotary shaft penetrates through the shell and extends into the shell; a fixed block is fixedly connected to the bottom end of the motor rotary shaft; and a nozzle is fixedly connected to the bottom of the fixed block. By arranging the shell, the motor, the fixed block, the nozzle, an exhaust fan, a filter box, a gas inlet pipe, a connection pipe, a paint tank, a liquid injection pipe, a liquid inlet pipe, a water pump, a liquid outlet pipe, a supporting block and an electric heated wire for matching use, the paint drying device forthe three-phase asynchronous motor fittings can rapidly dry the fittings without spreading pungent odor into air and polluting the air and improves the working efficiency; and the paint drying equipment can purify the air without causing damage to health of a worker and is beneficial to use of people.

The invention discloses an electrical information device graphical monitoring method, and relates to the electrical monitoring device field. With the method, audio information and video information of an electrical information device is collected through an electrical information device graphical monitoring apparatus, and the audio information and the video information of the electrical information device are transmitted to a main monitoring apparatus; the audio information and the video information are transmitted to a display module by the main monitoring device; when the audio information and the video information show abnormality, the audio information and the video information are transmitted to an alarm module; and the alarm module is used for alarming. According to the invention, a state value of the electrical information device is detected through a collecting module and the state value is converted into digital signals and is transmitted to the main monitoring module; and the digital signals are displayed by image in an intuitive way, therefore the working state of the electrical information device can be conveniently observed; if an abnormality occurs, people can quickly respond to the abnormality; the fault position can be known accurately and the electrical information device can be rapidly maintained.

The invention discloses an automatic opening and closing barrier door for machine tool machining. The automatic opening and closing barrier door comprises a limiting fixing device, the limiting fixingdevice comprises a limiting supporting bearing, mounting plates, mounting holes, inserting holes, buffer springs and fixed barrier plates, the mounting holes are distributed in a rectangular shape and are formed in the inner sides of the four corners of the mounting plates in a penetrating mode, the mounting plates are symmetrically and fixedly mounted at the upper end of the limiting fixing device in a rectangular distribution mode, the inserting holes are formed in the bottom ends of the middles of the mounting plates in a penetrating mode, the fixed barrier plates are fixedly mounted on the edges of the mounting plates, the buffer springs are evenly, symmetrically and fixedly mounted on the end faces of the inner sides of the fixed barrier plates, adjusting devices are mounted on the mounting plates, adjusting discs are installed in the adjusting devices, and first partition adjusting rods and second partition adjusting rods are fixedly installed on the edges of the end faces of the outer sides of the adjusting discs. In the using process of the automatic opening and closing barrier door, the automatic opening and closing barrier can be achieved, an operator in the machining process of a machine tool is effectively protected, and using and adjusting are convenient and fast.

The invention relates to an electric cleaning vehicle, which comprises a vehicle computer, a front fork assembly, a handlebar assembly and a membrane switch control system; a mop rack assembly is arranged at the front end of the vehicle body; a seat is rotationally and movably arranged on the rear part of the vehicle body; a storage battery and a driving device are fixed on the rear part of the vehicle body; the lower end of the front fork assembly is provided with front wheels, while the upper end is fixed with the handlebar assembly; the upper end of the handlebar assembly is provided with handlebars; the membrane switch control system comprises a control handle, a membrane switch panel, and a fast and slow circuit and an emergency circuit which are integrated in the membrane switch panel; the membrane switch panel is arranged at the upper end of the handlebar assembly, and is provided with a fast and slow switch and an emergency switch which are connected with corresponding indicator lights; and the storage battery is connected with the vehicle computer, the fast and slow circuit and the emergency circuit are all connected with the vehicle computer, the control handle is connected with the vehicle computer, and the vehicle computer is connected with the driving device. The electric cleaning vehicle is used for airports, stations, docks and electric power plants.

The invention discloses dust-removing environmentally-friendly equipment. The dust-removing environmentally-friendly equipment comprises a base, wherein a water tank and a filtering tank are respectively and fixedly connected to two sides of the top of the base; a dust removing box is fixedly connected to the top of the water tank; an exhaust fan is fixedly connected to the top of the right side of the dust removing box; an air inlet pipe communicates with the top of the exhaust fan; one end, away from the exhaust fan, of the air inlet pipe, communicates with the top of the dust removing box;a fixed rod is fixedly connected to the bottom of an inner cavity of the dust removing box; and a water storage pond is fixedly connected to the top end of the fixed rod. By cooperative use of the water tank, the filtering tank, the dust removing box, the exhaust fan, the air inlet pipe, the water storage pond, fixed blocks, water outlet holes, a water outlet pipe, a water pump, a circulating pipe, a filter screen, an air outlet pipe, an activated carbon filtering screen and an HEPA filter screen, the dust-removing environmentally-friendly equipment is convenient to use, low in energy consumption and good in filtering effect on air, can meet the requirements of greenness and environmental protection and benefits the use of people.

The invention discloses a paint spraying device for environment-friendly machinery. The paint spraying device comprises a base, wherein the top of the base is fixedly connected with a paint spraying box, the two sides of the top of the paint spraying box are fixedly connected with a paint box and a water pump correspondingly, the left side of the paint box is fixedly connected with a first motor,the right end of a first motor rotating shaft penetrates through the paint box and extends to the interior of the paint box to be fixedly connected with stirring blades, the top of the paint box communicates with a liquid inlet pipe, and the right side of the paint box communicates with a liquid outlet pipe. According to the paint spraying device, through cooperative use of the paint box, the water pump, the first motor, the stirring blades, the liquid outlet pipe, a paint spraying pipe, spray heads, a second motor, a placing rack, a connecting pipe, a filter box, a glass fiber filter screen and an activated carbon filter screen, the paint spraying device for the environment-friendly machinery is convenient to use, harmful substances in the paint in the spraying operation process can be filtered by the paint spraying device for the environment-friendly machinery, harm to the human body is avoided, and use of people is facilitated.

The invention discloses a wet-process efficient beater for cake-shaped products of a high-pressure grinding roller and belongs to the field of mine machinery equipment. The wet-process efficient beater comprises a barrel body, a power device and a transmission device, wherein the power device is fixed on the ground and comprises a motor, a speed reducer and a shaft coupler, which are in continuous transmission connection; the barrel body comprises a feeding end and a discharging end and is arranged in an inclined way with the feeding end being higher than the discharging end; a tooth ring cover is arranged on the outer wall of the barrel body and a rubber lining is arranged on the inner wall of the barrel body; a material guide plate is fixed along the peripheral line of the inner ring of the rubber lining; the suitable height and distance of the material guide plate are selected according to material sizes; the transmission device comprises a large gear assembly and a small gear assembly which is engaged with the large gear assembly; and the speed reducer is in transmission connection with the small gear assembly and the large gear assembly through the shaft coupler. The wet-process efficient beater for the cake-shaped products of the high-pressure grinding roller can be used for beating cake-shaped materials and can conveniently achieve a subsequent working wet-process sieving aim, and is wet-process beating equipment with a great treatment capability.

The present invention discloses a device for spraying the interior of a small-caliber pipe with dual-component coating, which comprises a frame, a material box frame and two groups of supporting wheels, wherein a material bin is fixedly arranged on the material box frame, the material bin is provided with two material boxes through a partition plate, and the material bin is provided with two material covers; the material bin is fixedly provided with a pump motor and two feed pumps, an output shaft of the pump motor is fixedly connected with a driving gear, a main shaft of each feed pump is fixedly connected with a driven gear meshed with the driving gear, and a feed inlet of each feed pump is connected with the corresponding material box. A spraying motor is fixed on the frame, and an atomizing nozzle is fixed on an output shaft of the spraying motor. The atomizing nozzle is a conical cover with the small front part and the large rear part, and a plurality of spraying holes are formedin the tapered side wall of the atomizing nozzle. The device has the advantages of simple structure, low cost and good reliability, a uniform and dense, bubble-free and interlayer-free coating can beformed, and a qualified anti-corrosion layer can be obtained.

The invention relates to the technical field of vacuum hot pressing, in particular to a vacuum hot pressing technology of an automobile Cu and Mg composite belt. According to the vacuum hot pressing technology, a base is included, and a control cabinet is arranged at one end of the top of the base; a display screen is arranged on the outer wall of the front face of the control cabinet; a work indicating lamp is arranged on one side of the display screen; a control button is arranged at the bottom of the work indicating lamp; the side wall of the side, close to the control button, of the control cabinet is fixedly connected with a first guide wire; the end, away from the control cabinet, of the first guide wire is fixedly connected to a vacuum pressure pump; the side, away from the controlcabinet, of the vacuum pressure pump is fixedly provided with a communicating tube; the end, away from the vacuum pressure pump, of the communicating tube fixedly communicates with the inner wall of afurnace body; a second guide wire is arranged at the top of the first guide wire; and one end of the second guide wire is fixedly connected to the control cabinet. According to the vacuum hot pressing technology, through the scientificity, practicability and effectiveness of the overall structural design, the whole working effect is better, using is more convenient, the working efficiency is improved, and meanwhile the manufacturing cost is lower compared with other similar products.

The invention discloses a high-voltage electric field low-temperature plasma cold sterilization device, and belongs to the technical field of frequency converter power supply circuits. According to the high-voltage electric field low-temperature plasma cold sterilization device, a frequency converter, a first-stage inductor, an electric voltage regulator, an alternating-current contactor and a solid-state relay are arranged on the front portion in a shell, a transformer is arranged on the rear portion of the shell, the transformer with a large size is arranged on the inner side of the shell, and the frequency converter, the first-stage inductor, the electric voltage regulator, a second-stage inductor, the alternating current contactor and the solid-state relay which are small in size are located on the outer side of the shell, so that mounting and dismounting are convenient, and the working conditions of all structures can be observed conveniently. The frequency converter is externallyconnected with the first-stage inductor, so that the output voltage is controllable, harmonic components in modulation waves are suppressed, the frequency spectrum is expanded, and the harmonic current entering a voltage regulation module is stable.

The invention provides a leftover material transmitting device for paper product processing, and belongs to the field of transmitting devices. The leftover material transmitting device comprises a supporting frame, wherein a processing box is arranged on the supporting frame; a charge hole is formed in the top surface of a box cover; a discharge hole is formed in the bottom surface of the processing box; a first screen is mounted on a circular shaft; the first screen is positioned between a first partition and a second partition; the lower end of a crushing motor is connected with a rotary shaft; crushing blades are connected on the rotary shaft; a rope hole is formed in the left side wall of the processing box; a fixed ring is arranged on the outer wall of the left side of the processingbox; a fine rope is connected on the fixed ring; one end of the fine rope passes through the rope hole and is connected with a rotary door; driven wheels are mounted on the rotary shaft; a conveyor belt is connected on the rotary shaft; a drive wheel is connected with the driven wheels through a belt, and the driven wheels are connected through the belt; first fans are mounted on the inner wall ofthe left side of the processing box and the inner wall of the right side of the processing box; and a second fan is mounted on the inner wall of the right side of a crushing box. The leftover material transmitting device has the advantages of being relatively small in leftover material size difference, and convenient in transmission.

The invention discloses a height-adjustable cylindrical vertical mixer, the structure of which comprises an exhaust port, a spiral stirring rod, a perspective window, a first feed port, a second feed port, a telescopic man ladder, and a discharge port , triangular support, mixing bucket, power unit, driving wheel device, belt, driven wheel device, the top of the exhaust port and the mixing tank is connected by welding, and the driving wheel device is connected with the driven wheel device by a belt. The invention has a reasonable structural design, and is provided with a perspective window, which is convenient for observing the working conditions of the mixer. It has a retractable ladder, which is convenient for the maintenance and rest of the mixing tank as a whole. The angle between the bracket and the outer wall of the mixing barrel can control the height of the mixer, which is convenient to use.

The invention relates to the technical field of collagen peptide drying systems, and discloses a low-temperature drying system without damaging effective components of collagen peptide powder, a cleaning mechanism is arranged on the surface of observation glass, and the cleaning mechanism comprises a scraping plate, an air hole I, a fixing ring, an inner sliding groove, a partition plate, an air hole II, an ejector rod, a sliding block, a strong magnetic block, an outer sliding groove and a metal block; external air enters the inner sliding groove from the first air hole and reaches the opposite side of the second air hole, due to the fact that the air in the inner sliding groove is exhausted from the second air hole, the external air entering the inner sliding groove is located between the partition plate and the sliding block, and the external air pushes the sliding block to slide in the inner sliding groove. The strong magnetic block attracts the metal block to synchronously slide in the outer sliding groove and do circular motion, the metal block drives the scraping plate to do circular motion on the left side of the observation glass and scrape the wall face, located in the drying tank, of the observation glass, the permeability of the observation glass is improved, and the working condition in the drying tank can be conveniently observed.

The invention discloses a bonding device and method for directly bonding a hydrophilic discs. The device comprises a machine frame, a rotary table assembly, a stop block clamp assembly, a water supplyand drainage system, an upper cover and a pressure application device, wherein the machine frame comprises supporting frames and a cylinder body; the upper cover capable of opening and closing is mounted at an upper end port of the cylinder body; the pressure application device is mounted on the upper cover; the rotary table assembly comprises a rotary table, a driving motor and a rotary shaft; the rotary shaft is arranged on the supporting frame in a rotary manner; the lower end of the rotary shaft is connected with an output shaft of the driving motor; the rotary table is mounted at the upper end of the rotary shaft; the stop block clamp assembly is arranged on the rotary table; and the water supply and drainage system comprises a water inlet pipe and a water outlet pipe. The device fordirectly bonding the hydrophilic discs is simple in structure, convenient to operate, low in cost, and is suitable for laboratory research. The disc bonding quality can be obviously improved.

The invention discloses machined-mounted hydraulic anchor rod drilling equipment comprising a moving unit and a hydraulic anchor rod machine. The anchor rod drilling equipment is fixedly connected with a heading machine through a fixed unit; the moving unit changes the horizontal position of the hydraulic anchor rod machine through a longitudinal moving mechanism and a transverse moving mechanism; and the space angle of the hydraulic anchor rod machine and the matching position of the hydraulic anchor rod machine and the moving unit are changed by rotating the moving unit, so that the purpose that the hydraulic anchor rod machine is controlled to conduct drilling machining on a roadway of any angle in front of the heading machine is achieved. The machined-mounted hydraulic anchor rod drilling equipment has the advantages that fixing is convenient, moving and dismantling are facilitated, the function of the heading machine are not influenced, advancing supporting is conducted conveniently and fast on the roadway in front of the heading machine, and the machined-mounted hydraulic anchor rod drilling equipment has the good popularization prospects.

The invention discloses sterilization and cleaning integrated bowl washing equipment, which comprises a casing, a motor, a fixing block, placing blocks, placing grooves, first springs, movable blocks,support blocks, fixing plates, fixing posts, second springs and an ultraviolet ray sterilization lamp. Through the matched use of components, the sterilization and cleaning integrated bowl washing equipment is convenient to use; the sterilization and cleaning integrated bowl washing equipment replaces the manual hand washing; the time and the labor are saved; the bowls are more cleanly cleaned; the cleaned bowls can be sterilized, so that the harm due to generated bacteria on the human bodies can be avoided; and the use by people is facilitated.

The invention provides a hardware kitchenware efficient grinding and polishing device for hardware manufacturing, and belongs to the technical field of grinding and polishing devices. The hardware kitchenware efficient grinding and polishing device for the hardware manufacturing comprises a box body; a first servo motor is fixedly connected to a back plate of the box body; a first lead screw is fixedly connected to an output end of the first servo motor; one end of the first lead screw is movably connected with a fixed square column; the front face of the fixed square column is fixedly connected with the inner surface of the box body; and the outer surface of the first lead screw is in threaded connection with a first moving block. According to the hardware kitchenware efficient grinding and polishing device for the hardware manufacturing provided by the invention, the first servo motor is arranged to drive the first lead screw to rotate, then the first moving block can be driven to move front and back under the action of a thread, a vertical servo motor is arranged to drive a vertical lead screw to rotate, and then a vertical moving block is driven to move up and down under the action of the thread, and therefore, the problems that in the prior art, a grinding and polishing device is low in working efficiency and single in clamp coping condition are solved.

The invention discloses a power distribution box with a fault indication function. The distribution box comprises a distribution box main body, and a box door is hinged to an opening in the front faceof the distribution box body. A fan is arranged at the upper part of the back of the distribution box body, and an air inlet of the fan is also connected with an air inlet pipe, wherein a drying tankand a refrigerator are arranged on the air inlet pipe. A sensor module is further installed at the inner side of the box door. A performance measuring instrument is further arranged in the distribution box body and connected with a communication server through a multipurpose interface connecting bus device, and the communication server is connected with a management terminal, wherein the management terminal is also connected to a cloud network. The distribution box is high in safety coefficient, is wide in application range, is good in heat dissipation performance, and avoids the situations that the low-voltage distribution box works abnormally, leaks electricity and even generates fires and explosions due to the fact that the low-voltage distribution box is in high humidity and high temperature for a long time.

The invention relates to a device and a method for forming a fiber reinforced resin-based composite material plate through hot stamping. The device comprises a female die component, a male die component, a blank holder, a supporting device, a hot oil heating system and a die water spray cooling system, wherein the female die component is connected with a sliding block of a press; the male die component is arranged on a pedestal; and the blank holder and the supporting device are arranged on the pedestal. The forming method comprises the following steps: placing a plate material on the surface of the blank holder; starting the hot oil heating system to heat a female die, a male die and the blank holder to the set temperature; starting the press; driving the female die to move close to and contact with the plate materials; suspending operation; heating the plate material to the softening temperature of a resin matrix through contact heat transfer of the female die, the male die and the blank holder; continuously operating the press; descending a nitrogen cylinder; adjusting the nitrogen cylinder to obtain the proper blank holder force; and gradually forming the plate material. By the device and the method, the fiber reinforced resin-based composite material plate can be formed through hot stamping and formation efficiency and quality are guaranteed.

The invention discloses a color-coated aluminum plate coloring device. The device comprises a supporting plate, supporting legs are fixedly mounted at the bottom of the supporting plate, an aluminum plate processing box is fixedly mounted at the tops of the supporting legs, a first dye storage chamber is formed in the aluminum plate processing box, a first observation strip is fixedly mounted on the outer surface of the first dye storage chamber, and a first dye inlet located at the top of the first dye storage chamber is formed at the top of the first observation strip. By installing the first dye storage chamber, a spray head and other devices, the purpose of a good coloring effect is achieved, pigment spraying is very uniform, and the problem of uneven coloring cannot occur; and through installing of an aluminum plate coloring chamber and other devices, the aim of being free of the strong paint smell is achieved, a sealing device is arranged at the joint of a cover at the top of the aluminum plate coloring chamber and the coloring chamber, the problem that the paint smell is thick is solved while dye is prevented from being sprayed out, and the aluminum plate coloring chamber is provided with an observation window, so that the working condition inside the device is convenient to observe.