31results about How to "Avoid affecting normal work" patented technology

The invention relates to a test method for lossless monitoring and detection for the material accelerated corrosion under a simulated marine environment, which comprises a corrosion accelerating test under the simulated marine environment and a test for the lossless monitoring and detection for the corrosion potential of material, wherein the corrosion accelerating test under the simulated marine environment is performed on a corrosion accelerating module, which can be used for finishing the tests for the marine or industrial atmospheric corrosion, splashed spoondrift corrosion, tidal range corrosion, full-soaking corrosion and sea mud microbiological corrosion. The test for the lossless monitoring and detection for the corrosion potential of material is finished by using a corrosion potential lossless monitoring and detection module. The method provided by the invention has the advantages that an environment for simulating each corrosion area in the ocean is supplied, the test period is shortened by performing the corrosion accelerating test, and the corrosion degree of the material is monitored and detected in the whole process. The method is used for supplying a technical support for evaluating the corrosion resistance of the material under the marine environment, thereby shortening the period of researching and testing the material.

The invention relates to a wireless communication base station and an automatic adjusting construction method of the same. The wireless communication base station comprises a tower body, a working platform, an antenna fixing device and an antenna adjusting device. Mounting holes are uniformly formed in the outer wall of the tower body in the circumferential direction, and threads are arranged in the mounting holes. The working platform is installed on the outer wall of the tower body, the antenna fixing device and the antenna adjusting device are installed on the working platform, the side wall of the antenna fixing device is connected with the antenna adjusting device, and the antenna adjusting device comprises a mounting frame, a adjusting rod, a sliding block, an adjusting rack, a connecting ring frame and an adjusting hydraulic cylinder. According to the wireless communication base station and the automatic adjusting construction method of the same, the problems that in an existingcommunication base station the angle of antenna is inconvenient to adjust, the stability is poor and the height of the working platform is non-adjustable are solved, the function that automatic adjusting can be carried out on the working platform and antenna of the communication base station is realized, and the wireless communication base station and the automatic adjusting construction method of the same have the advantages that the angle of the antenna is adjusted flexibly, the stability is high, and the height of the working platform is adjustable.

The invention provides a cooling liquid circulation system for a fuel cell, the fuel cell comprises an electric pile. The cooling liquid circulation system comprises a cathode fuel supply loop connected with the electric pile, wherein the cathode fuel supply loop is internally provided with a humidifier; a water-steam separating and pressurizing device which is connected with the humidifier; and a cooling liquid circulation loop which is connected with the electric pile; wherein a replacement device is arranged in the cooling liquid circulation loop, the replacement device is connected with the water-vapor separating and pressurizing device, and the water-vapor separating and pressurizing device can separate and collect water produced by the electric pile and waste gas discharged by the cathode fuel supply loop, and pressurize the separated water; the pressure of the water is kept consistent with the pressure of the cooling liquid circulation loop, and then the water separated by the water-vapor separating and pressurizing device and the cooling liquid in the cooling liquid circulation loop can be replaced in real time through the replacement device, so that real-time replacement of the cooling liquid is completed.

The invention belongs to the technical field of production and processing of dewaxing fluids, and particularly relates to a processing device for a dewaxing liquid. The processing device comprises a tank body, wherein the tank body is provided with a feed port and a discharge port, the discharge port is provided with an electromagnetic valve, the tank body is provided with a control panel, the electromagnetic valve is electrically connected with the control panel, the tank body is provided with a motor, the motor is provided with a rotating shaft, the tank body is provided with a liquid storage tank, the liquid storage tank is provided with a cleaning mechanism and a mounting seat, the rotating shaft is provided with a driving gear, the driving gear is provided with a driven gear, the liquid storage tank is provided with a sleeve, the sleeve is provided with a first gear ring, the mounting seat is provided with a groove, the groove is provided with a rotating rod, the rotating rod is provided with a stirring shaft, the stirring shaft is provided with a pressing block, the sleeve is provided with a pressing wheel, the stirring shaft is provided with a balancing weight and an auxiliary stirring mechanism, and the rotating shaft is provided with stirring blades. According to the invention, raw materials of the dewaxing fluid can be fully stirred, and a mixing effect is excellent, so the production efficiency of products is improved; and meanwhile, the cleaning mechanism is arranged to clean the interior of the tank body, manpower investment is reduced, and practicability is high.

The invention relates to a test method for lossless monitoring and detection for the material accelerated corrosion under a simulated marine environment, which comprises a corrosion accelerating test under the simulated marine environment and a test for the lossless monitoring and detection for the corrosion potential of material, wherein the corrosion accelerating test under the simulated marine environment is performed on a corrosion accelerating module, which can be used for finishing the tests for the marine or industrial atmospheric corrosion, splashed spoondrift corrosion, tidal range corrosion, full-soaking corrosion and sea mud microbiological corrosion. The test for the lossless monitoring and detection for the corrosion potential of material is finished by using a corrosion potential lossless monitoring and detection module. The method provided by the invention has the advantages that an environment for simulating each corrosion area in the ocean is supplied, the test period is shortened by performing the corrosion accelerating test, and the corrosion degree of the material is monitored and detected in the whole process. The method is used for supplying a technical support for evaluating the corrosion resistance of the material under the marine environment, thereby shortening the period of researching and testing the material.

The invention relates to an automatic oil feeder for an assembly line and the hook head assembly line containing the same. The automatic oil feeder for the assembly line comprises a support and an oil tank, wherein the oil tank is fixed to the support, an oil injection opening is formed in the top of the oil tank, an oil outlet pipeline is arranged on the bottom of the oil tank, and the support is provided with a control switch used for opening or closing the oil outlet pipeline in time. The hook head assembly line comprises a power device, a main drive sprocket, a guide rail and a bearing table, wherein the tail end of the bearing table is connected with the automatic oil feeder for the assembly line or the automatic oil feeder for the assembly line is fixedly arranged on the outer side edge of the rail. The automatic oil feeder for the assembly line and the hook head assembly line containing the same have the beneficial effects that lubrication and maintenance can be carried out on the assembly line automatically, artificial control is not needed, the labor cost is lowered, and the service life of equipment on the assembly line is prolonged; according to the operation condition of the assembly line, lubrication and maintenance are carried out selectively, lubricating grease is prevented from being used for a long time and at large amount, and the production cost is saved.

The invention provides an office table with a built-in display and relates to office furniture. The office table is characterized in that a built-in groove is machined in the front of a table top; slide ways are mounted on the two sides of the built-in groove; impellers are mounted on the two sides of the bottom of a display and are mounted in the slide ways; an opening is machined in the upper part of the built-in groove of the table top, and an opening baffle is mounted on the opening and is also mounted in a chute of the table top. The slide ways are inclined slide ways with higher front parts and lower back parts. The impellers are damping impellers. Stop strips are machined on the opening baffle. The office table with the built-in display has the characteristics of being novel in structure, simple and convenient to machine, convenient to use, elegant in appearance and the like, thereby being an economy-and-practicality-integrated novel office table with the built-in display.

The invention discloses a small-sized fixed-wing unmanned aerial vehicle tail quick disassembly mechanism and its use method, comprising a body, two horizontal tails and a vertical tail, the two horizontal tails are respectively located The straight empennage is located on the top of the fuselage, the vertical empennage is located between the two horizontal empennages, the first mounting block is fixedly installed on both sides of the fuselage, the first mounting block is provided with a third groove, and the The inner walls on both sides of the third groove are symmetrically provided with card slots, and a fixed block is fixedly installed on one side of the horizontal tail. The invention is simple to operate and can quickly install and disassemble the UAV tail, which solves the problem The installation of the UAV is complicated and requires a long installation time, which buys time for the special operation of the UAV, and this installation method is more stable than the previous installation method, preventing the UAV from loosening during the work and affecting its normal operation. .

The invention discloses a green plant seedling planting device for landscaping. The green planting seedling planting device comprises a casing, wherein a water storage chamber and a fertilizer storagechamber are formed in the casing separately, a fertilizer guide pipe and a water guide pipe communicating with the fertilizer storage chamber and the water storage chamber are mounted on the inner side of the casing separately, a first motor is fixedly mounted on the outer side of the casing, a feeding blade extending to the fertilizer guide pipe is mounted at an output end of the first motor, and a push-pull hand is fixedly mounted on the casing above the first motor. By arrangement of the water storage chamber and the water guide pipe, the water storage and watering effects are realized, the fertilizer storage chamber realizes an automatic fertilization effect of the device through the feeding blade and the motor, the consumption of human labor is reduced, the operation efficiency of the device is guaranteed, the motor realizes an automatic pit digging effect of the device through a screw blade and a shaft rod, the endurance performance of the device is improved, and the device canautomatically adjust the operation height according to an actual operation condition by the aid of an electric telescopic rack.

The invention provides an overhead crane for lifting an anode bus hoisting frame. The overhead crane comprises a frame, and an overhead crane power supply and a reel mechanism arranged on the frame; the reel mechanism includes a wheel shaft, a wheel disc coating the wheel shaft, a collector ring fixedly coating the wheel shaft, and a cable wound on the wheel disc; the wheel shaft is rotationally mounted on the frame; the collector ring is positioned on the outer side of the wheel disc; a fixed end of the collector ring is connected with the overhead crane power supply; one end of the cable is connected with a rotating end of the collector ring; and the other end of the cable is used for connecting with the anode bus hoisting frame to supply electricity to the anode bus hoisting frame through the overhead crane power supply. The overhead crane can prevent reciprocating drag of the cable, improves the production safety and the production efficiency, and reduces the labor intensity of workers.

The present application provides a data processing method and system based on the Internet of Vision. Although the number of Internet of Vision virtual terminal numbers is limited, through this application, any Internet terminal that needs to interact with Internet of Vision terminals does not have to use a virtual terminal number of Internet of Vision to access the Internet of Vision, but can set a second The Internet uses a virtual terminal number of the Internet of Vision to access the Internet of Vision, that is, a virtual terminal number of the Internet of Vision is used to directly communicate with the Internet of Vision server. When the first Internet terminal needs to interact with the Internet of Vision terminal, it can pass the second The Internet terminal forwards the data sent between the two, so that in the case of a limited number of virtual terminal numbers in the Internet of View, more first Internet terminals can interact with the Internet of View terminals at the same time, thereby avoiding affecting the normal work .

The invention discloses a protecting device for water-injection wellhead equipment and belongs to the field of oil and gas exploitation. The water-injection wellhead equipment is covered with the protecting device for the water-injection wellhead equipment, and the protecting device for the water-injection wellhead equipment comprises a bottom ring beam, a wall body, a top cover and a crawling ladder. The protecting device for the water-injection wellhead equipment is formed by the bottom ring beam, the wall body, the top cover and the crawling ladder. The water-injection wellhead equipment iscovered with the protecting device for the water-injection wellhead equipment, parts of the water-injection wellhead equipment can be prevented from being stolen by others, and the situation that when wind sand of the outside world is serious, the fine sand enters instruments or valves of the water-injection wellhead equipment, and thus work of the instruments or the valves of the water-injectionwellhead equipment is influenced can be prevented. The wall body and the top cover are each made of a material with the fire-resistance and heat-preservation functions, thus the situation that when the temperature of the outside world is low, the instruments or the valves or the like on the water-injection wellhead equipment are out of order or damaged can be prevented, accordingly, normal operation of an oil and gas well is prevented from being influenced, the economic loss is avoided, and the situation that when the outside world is on fire, the water-injection wellhead equipment is on firecan be avoided.

The invention discloses an anti-blocking device for dredging a pipe orifice by utilizing wind energy. The device comprises a ground body, a box body is fixedly arranged on the top surface of the ground body, a fan is arranged on the right side of the box body, a fan shaft is fixedly arranged at the left end of the fan, the fan shaft is fixedly connected with an incomplete gear, a wind energy charging power supply mechanism which is started when no wind exists is arranged at the incomplete gear, a centrifugal supporting block is fixedly arranged at the left end of the fan shaft, and centrifugalpush block sliding grooves with openings back to the fan shaft are vertically and symmetrically formed in the centrifugal supporting block. Centrifugal push blocks are slidably connected into the centrifugal push block sliding grooves. The centrifugal supporting block is arranged in a centrifugal cavity, a push block sliding groove with an upward opening is formed in the bottom surface of the centrifugal cavity, a push block is connected into the push block sliding groove in a sliding mode, a through hole with the left portion communicated with the right portion is formed in the push block, apipe opening exposed to the outside can be dredged intermittently through wind energy, an electric power starting device generated by wind energy power generation can be automatically used in the absence of wind, and dredging operation is maintained.

The invention discloses a sliding type deodorization cover. The deodorization cover comprises a fixed cover plate which is in an arch shape and stretches across the cross section of a sewage tank anda movable cover plate which is in an arch shape, is positioned above the fixed cover plate and stretches across the cross section of the sewage tank; the left side and the right side of the fixed cover plate are each provided with a fixing piece, and the left fixing piece and the right fixing piece are connected with the left side and the right side of the sewage tank respectively; the outer edgesof the two sides of the movable cover plate are exposed out of the outer edges of the two sides of the fixed cover plate, sliding mechanisms are arranged on the outer edges of the two sides of the movable cover plate, each sliding mechanism mainly comprises a vertical nylon roller and a transverse stainless steel bearing, and the sliding mechanisms can enable the movable cover plate to slide backand forth on the outer edge of the sewage tank; and sealing flexible rubber is arranged between the movable cover plate and the outer edge of the sewage tank, and the sealing flexible rubber can enable the periphery of the movable cover plate to be isolated from the periphery of the sewage tank. According to the deodorization cover, the movable cover plate is stable and reliable in the sliding process, free of deviation, small in shaking amplitude and relatively high in stability, the sewage tank and the outside are good in isolation effect, odor is prevented from leaking outside, and the safety is guaranteed.

The invention discloses a small fixed-wing unmanned aerial vehicle empennage quick disassembly and assembly mechanism and a use method thereof. The small fixed-wing unmanned aerial vehicle empennage quick disassembly and assembly mechanism comprises a vehicle body, two horizontal empennages and a vertical empennage, wherein the two horizontal empennages are located on the two sides of the vehiclebody correspondingly, and the vertical empennage is located at the top of the vehicle body and located between the two horizontal empennages; first mounting blocks are fixedly mounted on the two sidesof the vehicle body correspondingly, third grooves are formed in the first mounting blocks, clamping grooves are symmetrically formed in the inner walls of the two sides of each third groove, and a fixing block is fixedly mounted on one side of each horizontal empennage. The small fixed-wing unmanned aerial vehicle empennage quick disassembly and assembly mechanism is simple to operate and can quickly assemble and disassemble the unmanned aerial vehicle empennages, solves the problems that an existing unmanned aerial vehicle is complex in installation and needs long installation time, and wins time for special operation of the unmanned aerial vehicle; the installation mode is more stable than an existing installation mode, so that the situation that the normal operation of the unmanned aerial vehicle is affected due to the fact that the empennage loosens during work of the unmanned aerial vehicle is avoided.

The invention provides a cement deblocking machine with a magnetic resonance crushing function, and relates to the field of building cement processing equipment. The problems that a hammer head and ahammer plate can be jammed by cement in the overlarge particle size during operation of an existing cement deblocking machine and consequently the deblocking operation is time-consuming and power-wasting and low in efficiency are solved. The cement deblocking machine with the magnetic resonance crushing function comprises a machine body, a crushing mechanism, the hammer plate and a feeding port baffle. The improved cement deblocking machine has the following beneficial effects that I, the hammer plate can be prevented from being jammed by cement blocks in the large particle size through a magnetic resonance mechanism; II, the viscidity of white emulsion additives can be reduced according to the friction heating principle, and the deblocking rate of the cement blocks is increased; time andenergy are saved; III, the crushing hammer head can be prevented from being jammed by the cement blocks through cooperation of a shredding and unblocking device and a transmission cleaning mechanism,thereby benefiting normal operation of the crushing hammer head; and the timesaving, energy-saving and high-efficiency operation can be achieved through overall cooperation, and equipment parts can beprevented from being damaged by the cement blocks.

The invention relates to a wireless communication base station and an automatic adjusting construction method of the same. The wireless communication base station comprises a tower body, a working platform, an antenna fixing device and an antenna adjusting device. Mounting holes are uniformly formed in the outer wall of the tower body in the circumferential direction, and threads are arranged in the mounting holes. The working platform is installed on the outer wall of the tower body, the antenna fixing device and the antenna adjusting device are installed on the working platform, the side wall of the antenna fixing device is connected with the antenna adjusting device, and the antenna adjusting device comprises a mounting frame, a adjusting rod, a sliding block, an adjusting rack, a connecting ring frame and an adjusting hydraulic cylinder. According to the wireless communication base station and the automatic adjusting construction method of the same, the problems that in an existingcommunication base station the angle of antenna is inconvenient to adjust, the stability is poor and the height of the working platform is non-adjustable are solved, the function that automatic adjusting can be carried out on the working platform and antenna of the communication base station is realized, and the wireless communication base station and the automatic adjusting construction method of the same have the advantages that the angle of the antenna is adjusted flexibly, the stability is high, and the height of the working platform is adjustable.

The invention belongs to the technical field of communication processing, and particularly relates to a printing device for processing a 5G coupler printed circuit board. The printing device comprisesa base, and a conveying base is fixed to the top of the base. A liftable printing screen plate is arranged at the top of the conveying seat, a printing screen is fixed at the bottom of the printing screen plate, the top of the printing screen is provided with a matched impressing mechanism, printing slurry is placed at the top of the printing screen, a containing groove is formed in the top of the printing screen plate, a printing groove is formed in the bottom of the containing groove, the area of the section of the printing groove is smaller than that of the section of the containing groove, and the bottom of the printing screen abuts against the inner wall of the bottom of the containing groove. According to the invention, the stability of fixing the edge of the printing screen is improved through the bent part at the top of the pressing part, the influence on the printing effect caused by tearing off the printing screen is avoided, and the contact surface is increased by matchingwith the propping block at the pressing part at the top of the clamping piece, so that the influence on normal printing operation caused by tearing off the edge of the printing screen due to single-point fixing is avoided.

The invention relates to the technical field of mechanical sand collectors for a tower dry sand making system, in particular to a two-stage mechanical sand recycling device. The two-stage mechanical sand recycling device comprises a coarse sand collector and an inertial dust separator which are sequentially connected in series. The coarse sand collector comprises a 90 degree curved duct air channel and a dust collecting cover arranged above the 90 degree curved duct air channel in a covering mode. A collecting cabin is formed between the dust collecting cover and the lateral wall, facing upwards, of the 90 degree curved duct air channel. A set of sand collecting plate is arranged on the lateral wall, facing upwards, of the 90 degree curved duct air channel. A sand inlet is formed in the lateral wall of the 90 degree curved duct air channel and connected to the sand collecting plate. A sand discharging opening is downwards formed in the end, close to the air inlet of the 90 degree curved duct air channel, of the collecting cabin. The inertial dust separator comprises an air channel structure, a baffle and a material collecting structure. The device has a two-stage recycling structure. Coarse sand recycling and fine sand recycling are conducted separately. The size is small, mounting is convenient, and the recycling rate is high. Collecting efficiency is improved, and working resistance is not improved. Energy consumption is lowered.

The invention discloses a temperature field regulation and control device for a box-type substation space and a regulation and control method thereof, the temperature field regulation and control device is used for monitoring a temperature field of a movable box-type substation, the temperature field regulation and control device comprises a regulation and control device box body, a cold air pipeline, a temperature sensor, a computer and a cloud computing platform, and an air conditioner and the computer are arranged on the regulation and control device box body. The cold air pipeline comprises a connector and a ventilation pipeline which are arranged on the regulation and control device box body, and an air inlet pipe arranged on the box-type substation, the ventilation pipeline is connected with an air outlet of an air conditioner and the connector, the air inlet pipe is detachably connected with the connector, the temperature sensor is arranged in the box-type substation, and the air outlet of the air conditioner is detachably connected with the connector. When the temperature sensor monitors that the real-time temperature is higher than the working temperature, the temperature is transmitted to the cloud computing platform for data analysis, the cloud computing platform sends an instruction to the computer, and the computer instructs the air conditioner to cool the box-type substation. The distribution rule of the space temperature field in the transformer substation can be monitored in real time, and real-time space temperature data can be uploaded to the cloud computing platform for data analysis.

The invention provides a data processing method and system based on an articulated naturality web. Although the number of the articulated naturality web virtual terminal numbers is limited, however, by means of the present application,any Internet terminal which needs to interact with the articulated naturality web terminal does not need to use one articulated naturality web virtual terminal number to access the articulated naturality web. A second internet can be set in advance, and an internet of videos virtual terminal number is used to access the internet of videos; namely, an articulatednaturality web virtual terminal number is in direct communication connection with the articulated naturality web server. When the first Internet terminal needs to interact with the articulated naturality web terminal, the data sent by the first Internet terminal and the second Internet terminal can be forwarded through the second Internet terminal, so that more first Internet terminals can be supported to interact with the Internet of Vehicles terminal at the same time under the condition that the number of the Internet of Vehicles virtual terminal numbers is limited in advance, and normal work can be prevented from being influenced.

The invention provides a lithium battery packaging pressing fixture. The lithium battery packaging pressing fixture comprises an upper pressing plate, an upper pressing plate driving device and a lower pressing plate, the upper pressing plate is in driving connection with the upper pressing plate driving device, the upper pressing plate driving device drives the upper pressing plate to move up anddown; the middle portion of the lower pressing plate is an accommodating area with an inwards sunken hollow structure, a plurality of support bars with the same structure are arranged in the accommodating area, and are arranged in the accommodating area side by side; a matching upper cavity is arranged at the position where the accommodating area of the lower pressing plate corresponds to the upper pressing plate, a plurality of pressing blocks are arranged in the upper cavity, and a plurality of guide holes are arranged in the upper cavity. The lithium battery packaging pressing fixture is novel in design structure, avoid the phenomena that an electrolyte splashes to the surface of a lithium battery or other operation table tops to cause corrosion of parts and the like when the electrolyte is punctured, avoids influencing normal operation of the device, and ensures processing environment and processing quality through the mutual cooperation of the structures of the upper pressing plate and the lower pressing plate.

The invention relates to the technical field of damping equipment, and provides a damping assembly, a damping device and an unmanned aerial vehicle. The damping assembly comprises a rotating driving piece, a first torsion arm and a second torsion arm, the rotating driving piece is used for being connected with the unmanned aerial vehicle, and is provided with a rotating output shaft, the first torsion arm is used for being connected with mounted equipment, the second torsion arm is provided with a first end portion and a second end portion which arranged oppositely, the first end portion is rotationally connected to the first torsion arm, the second end portion is rotationally connected to the rotating driving piece, the first end portion is provided with a first reset piece used for maintaining the first torsion arm at a first preset angle relative to the second torsion arm, the second end portion is provided with a second reset piece used for maintaining the second torsion arm at a second preset angle relative to the rotating output shaft, the first reset piece is fixedly connected to the rotating output shaft, and the rotating output shaft is used for driving the first reset piece to rotate so as to change the second preset angle. The damping assembly, the damping device and the unmanned aerial vehicle have the advantages that the stability is high, and the position of the mounted equipment can be adjusted.

The invention discloses an anti-winding fertilizer volume control ratio layered fertilization monomer based on spiral dial throwing, which relates to the field of agricultural machinery and equipment, including a layered fertilization shovel, a spiral dial roller, a cutting disc, a driving component, and a fertilizer flow controller , fertilizer quantity control ratio distribution device and ditch opener, layered fertilization shovel includes base, shovel handle, hanging arm, main fertilizer pipe, shallow fertilizer pipe, deep fertilizer pipe, shallow fertilizer outlet and deep fertilizer outlet, spiral The dial roller is set at the front end of the shovel handle, the cutting disc is fixed at the lower part of the spiral dial roller, the main fertilizer pipe is fixed at the rear end of the shovel handle, the shallow fertilizer pipe and the deep fertilizer pipe are arranged at the lower end of the main fertilizer pipe, and the rear end of the shallow fertilizer pipe A hanging arm is fixed, and a ditch opener is installed on the hanging arm. Both the fertilizer flow control device and the fertilizer quantity control ratio distribution device are installed in the main fertilizer pipe, and the fertilizer flow control device is located above the fertilizer quantity control ratio distribution device. The device can realize the throwing of weeds and rice stubble, improve the passability of the layered fertilization shovel, realize the adjustment of the fertilizer amount in the deep and shallow layers and layered fertilization, and improve the utilization rate of the fertilizer.

The invention provides a reciprocating motion device which comprises a shell, a driving assembly and a functional assembly. An electromagnet is arranged on the shell. When the electromagnet is powered on, the driving assembly can be driven to move so as to enable the functional assembly to move from a first position to a second position. When the electromagnet is powered off, the driving assembly can be driven by the driving assembly to move so as to enable the functional assembly to move from the second position to the first position. Or the functional assembly can be driven by the functional assembly to move from the second position to the first position, the first position is the initial position, and the second position is the target position. In the reciprocating motion device, the electromagnet is used for generating a magnetic field, the reciprocating impact action of a functional head of the reciprocating motion device is achieved through magnetic force, accuracy is high, and the speed is high; and compared with an existing automatic reciprocating motion device, the reciprocating motion device has the advantages of being simpler in structure, time-saving, labor-saving and high in accuracy and is beneficial to application and popularization.

The invention provides a hoisting device and relates to the technical field of aluminium profile production equipment. The hoisting device comprises a rack, a lifting rack arranged on the rack and capable of moving up and down, a mounting rack movably arranged on the lifting rack horizontally and a plurality of pothooks arranged on the lower side of the mounting rack, wherein the pothooks are arranged in two rows in one-to-one correspondence; the orientations of the hook parts of the pothooks are consistent; and the moving direction of the mounting rack is parallel with the orientations of thehook parts of the pothooks. The hoisting device is particularly suitable for automatic framing operation of aluminium profile and can greatly improve the working efficiency.

The invention belongs to the technical field of fire fighting robots, in particular to a fire fighting robot with a smoke purification function, and provides the following scheme that the fire fighting robot comprises a walking mechanism, an operation mechanism is fixed to the top of the walking mechanism, and a water cannon pipe is arranged at one end of the operation mechanism; a connecting water pipe is arranged at the end, away from the water cannon pipe, of the operation mechanism, a camera shooting mechanism is arranged at the end, close to the water cannon pipe, of the operation mechanism, a cavity for temporarily retaining water is formed in the operation mechanism, the upper portion of the operation mechanism is communicated with a connecting mechanism, and a smoke suction mechanism capable of rotatably exhausting air is arranged at the top end of the connecting mechanism. The bottom end of the smoke suction mechanism communicates with the connecting mechanism. On one hand, smoke is sucked and purified through the smoke suction mechanism, and on the other hand, the smoke in the advancing direction is guided and dispersed to the outer side through rotating operation of the smoke suction mechanism, so that the treatment and purification effect of the actual fire-fighting robot on the smoke is improved.