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 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 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 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 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 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 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 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 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.