46results about How to "No electric drive" patented technology

The invention relates to human face identification equipment with the high cruising ability. The human face identification equipment comprises a bottom box, a protective cover and a camera. The protective cover is fixed to a base. The camera is arranged on the inner wall of the protective cover. The protective cover is provided with a cleaning mechanism and internally provided with a power generating mechanism. The cleaning mechanism comprises a driving assembly, a control assembly and an execute assembly. The driving assembly comprises fan blades, a rotating shaft and driving friction wheels.The execute assembly comprises a lead screw, a cleaning ring, a supporting block, a driving bevel gear, a driven bevel gear and a transmission shaft. The power generating mechanism comprises a connecting pipe, a lifting block, a fixed pulley, a connecting wire, a moving plate, a polish rod, a first spring, a second spring and a power generating assembly. The human face identification equipment with the high cruising ability achieves the power generating function through the power generating mechanism, the cruising ability of the human face identification equipment is improved, and not only that, the situation that the identification precision is affected by dust is further avoided through the cleaning mechanism.

The invention relates to a switch with a good heat dissipation effect. The switch comprises a main body, a heat dissipation mechanism and four damping mechanisms; each damping mechanism comprises a connecting box, a connecting column, a connecting plate, a limiting assembly, an air bag, an air inlet pipe, an air outlet pipe and a plurality of first springs; the heat dissipation mechanism comprisesa rotating assembly, two filter screens and two cleaning assemblies. According to the switch with the good heat dissipation effect, the damping mechanism is arranged; the damping function of the mainbody is achieved, the situation that the equipment is damaged due to excessive shaking is avoided, the safety of the equipment is improved, the circulation speed of air inside and outside the main body is increased through the heat dissipation mechanism, the heat dissipation effect is improved, the situation that normal work of the equipment is affected due to too high temperature inside the mainbody is avoided, and the reliability of the equipment is improved.

The invention relates to air purification equipment with a good formaldehyde treatment effect. The equipment comprises a main body, a fixed box, a filter cartridge, a protective shell, an ultravioletlamp, an air pump, an air inlet pipe and an air outlet pipe, the equipment further comprises an impurity removing mechanism and two formaldehyde removing mechanisms. Each formaldehyde removing mechanism comprises a power assembly, a connecting box, a nozzle, a reciprocating assembly, an air cylinder, a piston, a connecting pipe and a hose. The impurity removing mechanism comprises a scraping plateand two lifting assemblies. According to the air purification equipment with a good formaldehyde treatment effect, by means of the formaldehyde removing mechanisms, water is sprayed into the filter cartridge to achieve the formaldehyde removal function, formaldehyde removal work is conducted on the air in two different modes, the formaldehyde removal effect is improved, the practicability of theequipment is improved, and dust adhering to the inner wall of the filter cartridge can be scraped off through the impurity removing mechanism, therefore the blockage probability of the filter cartridge is reduced, and the practicability of the equipment is improved.

The invention discloses a self-power-generating type energy saving barrier gate used for a toll station. The self-power-generating type energy saving barrier gate comprises an installation groove formed in the ground. Two rotary shafts are symmetrically and rotationally connected to the front end and the rear end of the installation groove. A first lane board and a second lane board are symmetrically and fixedly connected to the two rotary shafts. A linkage mechanism is arranged between the first lane board and the second lane board. Buffer springs are fixedly connected between the bottoms ofthe ends, away from the rotary shafts, of the first lane board and the second lane board and the bottom of the installation groove. Two fixing piles and two vehicle license plate recognition instruments are symmetrically and fixedly connected to the ground on the two sides of the installation groove. The weight of vehicles coming and going is used for transmission, two sets of barrier gate bars are automatically lifted and released, manual operation and electric drive are not needed, use is convenient, and energy is saved; and kinetic energy generated in the reset process of the two lane boards can be converted into electric energy which is stored into a storage battery and provided for the vehicle license plate recognition instruments to be used, the self-power-generating process is achieved, and electric power losses of the barrier gate of the toll station can be saved to the great extent.

The invention relates to a stable clamping device for a vertical drilling machine. The stable clamping device comprises a bottom plate and a moving plate. The bottom plate and the moving plate are arranged horizontally. The moving plate is arranged above the bottom plate. The moving plate and the bottom plate are arranged oppositely and a gap is formed between the moving plate and the bottom plate. A clamping mechanism and an auxiliary mechanism are arranged on the moving plate. The clamping mechanism comprises a fixed block, a slide block, a lead screw, a connecting bearing, a rotating shaft,a crank, a control assembly and four connecting assemblies. Each connecting assembly comprises a guide bar, a limiting block, a first spring and a guide hole. The control assembly comprises a one-waybearing, a rotating gear and a rack. The auxiliary mechanism comprises a moving pipe, a moving disc, a suction disc, a resetting assembly, two transmission assemblies and two auxiliary assemblies. The stable clamping device for the vertical drilling machine achieves a function of clamping parts by the clamping mechanism and further achieves a function of loosening the part automatically by the auxiliary mechanism, so that the convenience is improved.

The invention belongs to the technical field of monitoring equipment, in particular to a gradient adjusting type self-cleaning infrared monitor. The monitor comprises a cylindrical shell and a monitoring head, the monitoring head is arranged at the lower half part of the shell; a rotary drum is coaxially and rotationally connected to the center of the shell. The side wall of the front end of the drum is fixedly connected with a light filter plate; the light filtering plate is formed by splicing a plurality of fan-shaped plates of which the light filtering intensity is sequentially increased; an arc-shaped cavity is formed in the side wall of the shell; one end of the arc-shaped cavity is closed, the other end of the arc-shaped cavity is communicated with a pressure stabilizing channel, anarc-shaped friction strip is slidably and hermetically connected into the arc-shaped cavity, expansion liquid is filled between the arc-shaped friction strip and the closed end of the arc-shaped cavity, a friction wheel is rotatably connected into the shell, the lower end of the friction wheel contacts with the side wall of the drum, and the upper end extends into the arc-shaped friction strip. According to the invention, the light filter plate is formed by splicing the plurality of fan-shaped plates of which the filtering intensities are sequentially increased, and the light filter plate canbe adjusted according to different illumination intensities, so that a better imaging effect is achieved.

The invention discloses a pneumatic cooling and air purifying system comprising an air purifying device arranged at an air suction opening and a first pneumatic blower connected with an air duct at an air outlet, wherein a cooling device is arranged on the air duct, and the air duct is provided with an outlet; and the pneumatic motor of the first pneumatic blower is connected with an air source system, and the air source of the air source system is a storage tank filled with compressed air and / or a mine pressure air pipeline. The pneumatic cooling and air purifying system disclosed by the invention has the advantages of strong adaptability, good safety and reliability and no need of electric drive.

The invention relates to a convenient water treatment device with a high work efficiency. The device comprises a main body, a water inlet tube, a water outlet tube and a dirt discharging tube, the water inlet tube is arranged at one side of the main body, the water inlet tube is communicated with the main body, the water outlet tube is communicated with the top of the main body, the dirt discharging tube is communicated with the bottom of the main body, the dirt discharging tube is provided with a control mechanism, a cleaning mechanism is arranged in the main body, the control mechanism includes a lifting disc, a sealing plate, a filter screen, a first one-way valve, a second one-way valve, a lifting assembly and two cylinders, the cleaning mechanism comprises a power assembly, two cleaning rods and two transmission assemblies, and the power assembly includes blades, a bearing seat and a transmission shaft. The control mechanism improves the work efficiency of the convenient water treatment device with the high work efficiency, and the cleaning mechanism improves the maintenance convenience of the device.

The invention relates to transportation equipment with a dust-removing function for lighting. The transportation equipment with the dust-removing function for lighting comprises a lamp pole, a lamp arm, a lamp box and a lamp bead; the lamp pole is arranged vertically; the lamp arm is vertical to the lamp pole; one end of the lamp arm is fixed at the top end of the lam pole; the lamp box is fixed at the other end of the lamp arm; the lamp bead is arranged on the lamp box; a cleaning mechanism is arranged in the lamp box; the cleaning mechanism comprises a power assembly, a lampshade, a fixing shaft, a cleaning ring and two first bearings; a through hole is formed in the bottom of the lamp box; the axis of the through hole is parallel with the lamp pole; the hole diameter of the through holeis equal to the outer diameter of the cleaning ring; the cleaning ring is fixed on the inner wall of the through hole; the lampshade is in a spherical shape; and two connecting holes are formed in the lampshade. The transportation equipment with the dust-removing function for lighting achieves the dust-removing effect through the cleaning mechanism.

The invention relates to heat dissipation type wind power generation equipment with a fire extinguishing function. The equipment comprises a fixing box, blades, a transmission pipe, a driving gear, adriven gear, a rotating shaft, a bearing block and a power generation device, wherein a through hole is formed in one side of the fixing box, the transmission pipe penetrates through the through hole,the transmission pipe is in sliding connection with the through hole and is in sealing connection with the through hole, the blades are arranged on the side, provided with the through hole, of the fixing box, the blades are arranged at one end of the transmission shaft, the blades and the transmission shaft are fixedly connected in a sealed mode, the driving gear, the driven gear, the rotating shaft, the bearing block and the power generation device are all arranged in the fixing box, the driving gear is arranged on the transmission shaft, the rotating shaft is parallel to the transmission pipe, the rotating shaft is fixed on the inner wall of the fixing box, and a cooling mechanism and a fire extinguishing mechanism are arranged in the fixing box. According to the heat dissipation type wind power generation equipment with the fire extinguishing function, the function of heat dissipation is realized, and the function of extinguishing fire is further realized through the fire fightingmechanism.

This invention provides a front wheel driving power-assisted bicycle being safe in driving and running even while a stand is erected during stop and a rear wheel floats during running on a bumpy road. In this invention, the front wheel driving power-assisted bicycle comprises: a main frame of a bicycle main body, a head pipe, and a seat tube are mutually connected. A handle and a front wheel are attached to the head pipe, and a panel-like casing incorporating a motor is provided in a part of a rotary shaft in a hub of the front wheel. Moreover, the rear wheel supported on a frame of the rear wheel is rotated by a driving force in a human power driving part. A means for detecting ascent and descent conditions of the stand is provided in a mechanism of the stand, and conducting electricity to the motor built in the panel-like casing is stopped when the means detects the descent condition of the stand. Moreover, a means for detecting a floating condition of the rear wheel is provided in the frame of the rear wheel, and conducting an electric current to the motor built in the panel-like casing is stopped when the detection means detects the floating condition of the rear wheel.

The invention relates to food waste crushing equipment with a drying function. The food waste crushing equipment with the drying function comprises a crushing barrel and a sealing cover; the crushingbarrel is cylindrical and is vertically arranged; an opening is arranged at the top of the crushing barrel; the sealing cover horizontally covers the top of the crushing barrel and is connected to thecrushing barrel in a sealed mode; a crushing mechanism and an auxiliary mechanism are arranged on the sealing cover; the crushing mechanism comprises a driving motor, a transmission shaft, a blade, afixing pipe, a connecting pipe, a suction assembly and a crushing assembly; the suction assembly comprises an air pipe, a suction pump and an air hole; the crushing assembly comprises a driving disc,a driven disc, a connecting shaft and two crushing units; and each crushing unit comprises a guide pipe, a first magnet block, a first connecting hole, a second connecting hole, a third connecting hole and two stop blocks. The food waste crushing equipment with the drying function achieves the crushing function through the crushing mechanism; and in addition, the function of drying the blade is achieved through the auxiliary mechanism.

The invention relates to an indoor stable power bicycle. The bicycle comprises a connecting box, handles, a seat and a transmission shaft, the connecting box is in a cuboid shape. The handles and theseat are both arranged at the top of the connecting box; the transmission shaft is horizontally arranged in the fixed box; a pedal device is arranged on the fixed box and is in transmission connectionwith the transmission shaft; an auxiliary mechanism and four stabilizing mechanisms are arranged on the fixed box; the four stabilizing mechanisms are uniformly arranged at four corners of the bottomof the connecting box; the auxiliary mechanism comprises an air outlet pipe, a rotating pipe, a sealing disc, fan blades and a transmission assembly. The stabilizing mechanism comprises a supportingpipe, a suction cup, a moving disc, a connecting wire, a fixed pulley, a sliding block and at least two reset assemblies, the stability of the indoor stable power bicycle is improved through the stabilizing mechanism, and in addition, the function of improving the oxygen content of air inhaled by a user is improved through an auxiliary mechanism.

The invention relates to a high-stability hydraulic lifting device with an anti-slip function. The hydraulic lifting device comprises a cylinder body and a piston, wherein the piston is cylindrical; the cylinder body is vertically arranged; the piston and the cylinder body are coaxially arranged, a mounting hole is arranged in the top end of the cylinder body, and the piston is mounted in the cylinder body; the piston penetrates through the mounting hole and is in sealing and sliding connection with the inner wall of the mounting hole; a hydraulic system is arranged in the cylinder body, and an auxiliary mechanism and a stabilizing mechanism are arranged on the cylinder body; the auxiliary mechanism comprises a support plate and four auxiliary assemblies; the support plate is perpendicularwith the piston, is fixedly arranged at the top end of the piston and is pressed against the top of the cylinder body; and the auxiliary assemblies are uniformly distributed at the bottom of the support plate in the circumferential direction with the axis of the cylinder body as the center. The high-stability hydraulic lifting device with the anti-slip function has the advantages that not only isthe stability of a lifted object improved through the auxiliary mechanism, but also the anti-slip function is also performed through the auxiliary mechanism.

The invention relates to hydraulic equipment with a high safety factor. The hydraulic equipment with the high safety factor comprises a vehicle body, an auxiliary plate and two fork plates, wherein the auxiliary plate is vertically arranged; the vehicle body is arranged on one side of the auxiliary plate; the two fork plates are horizontally and uniformly arranged on the other side of the auxiliary plate; a hydraulic system is arranged on the auxiliary plate; locking mechanisms and protection mechanisms are arranged at the bottoms of the two fork plates; each locking mechanism comprises a leadscrew, a driving shaft, an auxiliary bearing, a ball screw bearing, a connecting rod, a mounting hole and a locking assembly; and each locking assembly comprises an auxiliary disc, a locking rod, a bearing block, a transmission rod, a first spring and two electromagnets. According to the hydraulic equipment with the high safety coefficient, the function of locking the fork plates is achieved through the locking mechanisms, the fork plates are prevented from falling off due to damage of the hydraulic system, and in addition, goods on the fork plates are prevented from falling off due to the inertia effect through the protection mechanisms.

The invention discloses a propaganda rack, and relates to the technical field of propaganda devices. The device comprises a propaganda frame, the propaganda frame is rectangular, and the lower end of the propaganda frame is fixedly connected with a supporting seat; transparent glass is installed on the front face of the propaganda frame. A clamping mechanism suitable for fixing posters of different sizes is fixedly connected in the propaganda frame, and the clamping mechanism comprises a plurality of L-shaped corner clamping blocks and a plurality of elastic ropes; a dust removal mechanism for removing dust on the surface of the transparent glass is fixedly installed on the front face of the propaganda frame and comprises a scraper, a crank and a screw transmission assembly. By arranging the clamping mechanism, the L-shaped corner clamping blocks are fixedly connected into the propaganda frame through the elastic ropes, and the four corners of a poster are clamped and fixed through the L-shaped corner clamping blocks, so that the poster fixing device adapts to fixed posting of posters of different sizes; meanwhile, the dust removal mechanism is arranged, a crank is manually shaken to drive a scraper to move up and down, the structure is simple, electric driving is not needed, and the device is suitable for various scenes.

The invention relates to payment equipment with an illumination intensity adjusting function on the basis of human face recognition. The payment equipment comprises a body, a keyboard, a display screen, an invoice outlet and a camera. The keyboard and the display screen are arranged on a side of the body, the invoice outlet is formed in the side of the body, the camera is arranged on the side, which is far away from the keyboard, of the body, an adjusting mechanism and a cooling mechanism are arranged in the body, the adjusting mechanism comprises a power assembly and a connecting assembly, the power assembly comprises a fixing plate and two power units, the connecting assembly comprises a light reflection plate, a lamp bead, a guide rod and two connecting units, the cooling mechanism comprises two cooling assemblies, and the cooling assemblies are in one-to-one correspondence to movable blocks and comprise transmission units and execution units. The payment equipment with the illumination intensity adjusting function on the basis of human face recognition has the advantages that an illumination brightness adjusting function can be implemented by the aid of the adjusting mechanism,and a cooling function further can be implemented by the aid of the cooling mechanism.

The invention relates to new energy equipment with a refuge removing function and a good heat dissipation effect. The new energy equipment comprises a base, a power generating box, a driving shaft, two paddles and two connecting blocks, wherein the two paddles are respectively arranged at two ends of the driving shaft and are in one-to-one correspondence to the connecting blocks; the connecting blocks are arranged on the driving shaft in a sleeving manner; the driving shaft is horizontally arranged; the power generating box is arranged above the driving shaft; the base is arranged below the driving shaft; a heat dissipating mechanism is arranged in the power generating box; a removing mechanism is arranged on the driving shaft and comprises an execution assembly and two power assemblies; the power assemblies are in one-to-one correspondence to the connecting blocks; each power assembly comprises two power units; the two power units are respectively arranged on two sides of each connecting block. The new energy equipment with the refuge removing function and the good heat dissipation effect realizes a heat dissipating function by the heat dissipating mechanism; besides, the refuge removing function is realized by the removing mechanism.

The invention relates to a storage device with a good preservation effect for dairy product processing. The storage device comprises a main body, a feeding pipe and a discharging pipe; the main body is cylindrical; the feeding pipe and the discharging pipe are both parallel to the axes of the main body; the feeding pipe and the discharging pipe are both arranged at one end of the main body; the axis of the main body is located between the feeding pipe and the discharging pipe; the feeding pipe communicates with the discharging pipe through the main body; a stirring mechanism and an auxiliary mechanism are arranged in the main body; and the stirring mechanism comprises a floating plate, a connecting plate, a driving motor, a transmission shaft, a stirring rod, a driving gear, two supportingrods and at least two stirring components. The storage device with a good preservation effect for dairy product processing realizes a function of stirring milk through the stirring mechanism, so thatthe milk is prevented from forming milk fat to float upwards, and then influence on milk quality is avoided. Moreover, the milk preservation effect is improved through the auxiliary mechanism.

The invention relates to a U-shaped metal pipe bending device. The device comprises a base, supporting rods, a bending mechanism, a clamping mechanism and a pushing mechanism, two supporting rods are provided, the two supporting rods are arranged at the two ends of the base separately, and the bending mechanism, the clamping mechanism and the pushing mechanism are all arranged on the base. According to the U-shaped metal pipe bending device, the clamping mechanism is used for clamping a workpiece, the bending mechanism is used for bending the workpiece, the pushing mechanism is used for discharging the workpiece, and compared with an existing bending device, the device is simple in structure, convenient to overhaul, free of electric drive, low in cost and suitable for being used in small workshops; and the bending mechanism and the clamping mechanism are in linkage, and thus on-line clamping of the workpiece is realized; meanwhile, the linkage adopts a pure mechanical structure, the stability of the device is improved, and the service life of the device is prolonged; and compared with an existing clamping mechanism, the mechanism adopts flexible clamping, the situation that the workpiece is scratched due to rigid clamping is avoided, the workpiece is protected, and the practicability is improved.

The invention relates to efficient type environment-friendly equipment. The efficient type environment-friendly equipment comprises a fixed box and a floating block, wherein the floating block is arranged above the fixed box; the efficient type environment-friendly equipment is characterized in that the floating block is provided with a cleaning mechanism and an oxygenation mechanism; the cleaningmechanism comprises a driving assembly and at least two cleaning assemblies; the driving assembly comprises a driving motor, a transmission shaft, a rotary disc, at least two supporting rods and at least two limiting blocks; the oxygenation mechanism comprises a power assembly and at least two execution mechanisms; the power assembly comprises a fan blade, a power shaft, a connection box and an eccentric wheel; the power shaft is vertically arranged and the floating block sleeves the power shaft; the fan blade is mounted at the top end of the power shaft; the fan blade is arranged above the floating block; the connection box is fixed at the bottom of the floating block. According to the efficient type environment-friendly equipment, the garbage cleaning efficiency is improved; moreover, the oxygenation effect is also realized through the oxygenation mechanism.

The invention relates to an energy-saving road sweeper. The energy-saving road sweeper comprises a cab, a water spraying device, a carriage and a plurality of wheels, wherein a sweeping mechanism anda collecting mechanism are arranged below the carriage, the sweeping mechanism comprises a roller, a rotating shaft and two sweeping assemblies, each sweeping assembly comprises a fixing strip, a driving bevel gear, a driven bevel gear, a fixing unit, a worm, a worm wheel, a conveyor belt and a plurality of sweeping units, and the collecting mechanism comprises a connecting pipe, a filter membrane, a return pipe, a water pump and a plurality of collecting pipes. According to the energy-saving road sweeper, the road surface is comprehensively swept through the sweeping mechanism, electric powerdriving is not needed, more energy is saved, besides, water on the road surface is collected and filtered through the collecting mechanism to be recycled, water resources are saved, and practicability is improved.

The invention discloses a self-power-generating type energy saving barrier gate used for a toll station. The self-power-generating type energy saving barrier gate comprises an installation groove formed in the ground. Two rotary shafts are symmetrically and rotationally connected to the front end and the rear end of the installation groove. A first lane board and a second lane board are symmetrically and fixedly connected to the two rotary shafts. A linkage mechanism is arranged between the first lane board and the second lane board. Buffer springs are fixedly connected between the bottoms ofthe ends, away from the rotary shafts, of the first lane board and the second lane board and the bottom of the installation groove. Two fixing piles and two vehicle license plate recognition instruments are symmetrically and fixedly connected to the ground on the two sides of the installation groove. The weight of vehicles coming and going is used for transmission, two sets of barrier gate bars are automatically lifted and released, manual operation and electric drive are not needed, use is convenient, and energy is saved; and kinetic energy generated in the reset process of the two lane boards can be converted into electric energy which is stored into a storage battery and provided for the vehicle license plate recognition instruments to be used, the self-power-generating process is achieved, and electric power losses of the barrier gate of the toll station can be saved to the great extent.

The invention relates to a manual feeding type organic fertilizer crushing device with a good dustproof effect. The manual feeding type organic fertilizer crushing device comprises a main body, a feeding pipe and a discharging pipe. One end of the feeding pipe is fixed to the top of the main body. The discharging pipe is arranged at the bottom of the main body. The feeding pipe communicates with the discharging pipe through the main body. A crushing device is arranged in the main body. A protective mechanism and an auxiliary mechanism are arranged in the main body. The protective mechanism comprises a sealing rod and at least two connecting assemblies. The connecting assemblies comprise connecting rods, fixing rods, magnet blocks and springs. The auxiliary mechanism comprises at least twoauxiliary assemblies which are in one-to-one correspondence with the connecting rods. The auxiliary assemblies are located on one sides, far away from the sealing rod, of the connecting rods. According to the manual feeding type organic fertilizer crushing device with the good dustproof effect, the dustproof effect is realized through the protective mechanism, so that the air quality is improved;and moreover, by means of the auxiliary mechanism, raw materials can be prevented from being stuck and connected.

The invention relates to efficient type environment-friendly equipment. The efficient type environment-friendly equipment comprises a fixed box and a floating block, wherein the floating block is arranged above the fixed box; the efficient type environment-friendly equipment is characterized in that the floating block is provided with a cleaning mechanism and an oxygenation mechanism; the cleaningmechanism comprises a driving assembly and at least two cleaning assemblies; the driving assembly comprises a driving motor, a transmission shaft, a rotary disc, at least two supporting rods and at least two limiting blocks; the oxygenation mechanism comprises a power assembly and at least two execution mechanisms; the power assembly comprises a fan blade, a power shaft, a connection box and an eccentric wheel; the power shaft is vertically arranged and the floating block sleeves the power shaft; the fan blade is mounted at the top end of the power shaft; the fan blade is arranged above the floating block; the connection box is fixed at the bottom of the floating block. According to the efficient type environment-friendly equipment, the garbage cleaning efficiency is improved; moreover, the oxygenation effect is also realized through the oxygenation mechanism.

The invention belongs to the technical field of monitoring equipment, and in particular relates to a gradient-adjustable self-cleaning infrared monitor, which includes a cylindrical housing and a monitoring head. The monitoring head is installed on the lower half of the housing, and the center of the housing is at the same location. A rotating drum is connected to the shaft for rotation, and a filter plate is fixedly connected to the front end side wall of the rotating drum. The filter plate is made up of multiple fan-shaped plates with sequentially increasing filter intensity. There is an arc-shaped cavity in the side wall of the housing. One end of the arc-shaped cavity is sealed, and the other end is connected with a pressure stabilizing channel. There is an arc-shaped friction strip connected with a sliding seal in the arc-shaped cavity. The arc-shaped friction strip and the sealed end of the arc-shaped cavity are filled with expansion liquid, and the shell rotates A friction wheel is connected, the lower end of the friction wheel is in contact with the side wall of the rotating drum, and the upper end extends into the slot and is in contact with the arc-shaped friction strip. In the present invention, a filter plate is formed by splicing a plurality of fan-shaped plates with sequentially increasing filter intensity. The filter plate can be adjusted according to different light intensities to achieve better imaging effects.

The invention provides a conveying belt device. The conveying belt device comprises an upper fixed pulley, an air cylinder, a movable pulley group, a fixed pulley group, a wire rope, a travel switch,a limiting plate and a spring; the upper fixed pulley is fixed on the upper portion of the left end face of a supporting frame, the air cylinder is installed on the left side of the supporting frame,the movable pulley group is installed on the right end face of a fixed pulley loading plate, the fixed pulley group is installed on the inner right end face of a pulley loading frame, the upper end ofthe wire rope is connected with the right end of a trolley, and the lower end of the wire rope sequentially penetrates through the upper fixed pulley, the fixed pulley group and the movable pulley group and is connected with the right end of the pulley loading frame. By means of the device, the takt time is accelerated to ensure the quality of products, the travel switch is installed in the middle of the left end face of an upright plate, the limiting plate is fixed at the left end of the limiting plate, and the spring is fixed on the left end face of the upright plate; a function of limitingearly warning of the trolley is achieved. The device has the advantages of being novel in structure, excellent in conveying stability, free from electric drive, and low in production cost.

The invention discloses a water pollution treatment and separation system which mainly comprises a reaction tank, a concatemer precipitator and a filtering clear water tank sequentially connected in series. A plurality of partition plates which are arranged in an up-down staggered mode are arranged in the reaction tank to prolong a water flow path, and the concatemer precipitator comprises a transversely-arranged overflowing pipeline and a plurality of vertically-arranged sludge precipitation pipes. The overflowing pipeline is connected between the reaction tank and the filtering clear water tank, the sludge precipitation pipe is connected below the overflowing pipeline, a blow-down valve is arranged at the lower end of the sludge precipitation pipe, a filtering plate is arranged in the filtering clear water tank, and a water outlet is formed in the filtering clear water tank. Static water flow is formed in an overflow filling mode, flocs are precipitated, captured and collected in the process, the flocs can be effectively separated, the filtering plate efficiently captures the flocs, blockage is avoided, long-time continuous work can be achieved, and the system is more economical and environmentally friendly.

The invention relates to a convenient hand-held polishing device used in a production workshop, comprising a main body, a transmission shaft, a rotating disk and a polishing disk, the transmission shaft is arranged at the bottom of the main body, a driving device is arranged inside the main body, and the The driving device is connected to one end of the transmission shaft, the rotating disk is installed on the other end of the transmission shaft, the polishing disk is coaxially arranged with the rotating disk, the diameter of the polishing disk is equal to the diameter of the rotating disk, and the polishing disk It is attached to the side of the rotating disk away from the main body, and the rotating disk is provided with a collecting mechanism and a connecting mechanism. The connecting mechanism includes a magnet ring and at least two connecting components. The equipment realizes the function of collecting dust generated during polishing through the collection mechanism, not only that, but also improves the convenience of replacing the polishing disc through the connection mechanism.