617results about How to "Avoid touching" patented technology

The utility model discloses an energy-saving shoe material hot-pressing forming machine which comprises a protective frame, a hot-pressing body fixedly connected to the bottom of the protective frame, an operating mechanism fixedly connected to the front face of the hot-pressing body, a lower hot-pressing plate fixedly connected to the top of the hot-pressing body, a top seat fixedly connected to the top of the inner side of the protective frame, and a hydraulic rod fixedly connected to the top of the top seat. An upper hot pressing plate is fixedly connected to the bottom end of the hydraulic rod, an upper heating rod is fixedly connected to the front face of the upper hot pressing plate in a penetrating mode, a hot pressing mold is fixedly connected to the bottom of the upper hot pressing plate, sliding blocks are fixedly connected to the two sides of the upper hot pressing plate, and an infrared transmitter and an infrared receiver are fixedly connected to the inner wall of the inner side of the protection frame; according to the hot-pressing forming machine, a heating part can be heated to the required temperature as soon as possible, heat waste is avoided, energy conservation is facilitated, and the safety of the hot-pressing forming machine is improved through the arranged protective frame, the infrared transmitter and the infrared receiver.

The invention discloses a handheld ironing device capable of changing working postures, belongs to an ironing technology, and aims to solve the problem that a hand is scalded when an ironing head of an existing handheld ironing device is rotated during ironing. The handheld ironing device comprises a handle for being held by the hand and the ironing head rotating relative to the handle to change the working postures, and the ironing head is connected with an actuating piece. A distance is kept between the actuating piece and the ironing head, so that the hand is prevented from touching the ironing head when the actuating piece is operated by hand to drive the ironing head to rotate. Therefore, when the ironing head is rotated during ironing, the ironing head is not held by a hand, the actuating piece is operated and drives the ironing head to rotate, and due to the fact that the distance is kept between the actuating piece and the ironing head, the hand is prevented from touching the ironing head and being scalded. Compared with the prior art, the risk that hands are scalded when the ironing head is rotated during ironing can be greatly reduced.

The utility model relates to a carrying claw with a protective structure, which comprises a protective frame, the outer side of the protective frame is fixedly connected with a motor, the inside of the protective frame is rotatably connected with a bidirectional screw rod, and one end of the bidirectional screw rod extends to the outer side of the protective frame and is fixedly connected with the output end of the motor. Rubber strips can buffer when the two clamping hands are close to each other, the two clamping hands are prevented from touching each other, when the two clamping hands move in the direction away from each other, springs are extruded by the clamping hands to generate rebound force, then the clamping hands can be buffered and protected, the mechanical arms with different installation sizes can be adapted through the installation assemblies and the carrying claws, and the mechanical arms are more convenient to carry. And the adaptive capacity of the carrying claw is improved, the structure is simple, and the practicability is high.

The invention relates to a housing; a bracket; the invention belongs to the technical field of terminal devices and discloses a multifunctional moisture-proof electric meter box which comprises an electric meter box shell, a plurality of electric meters are arranged in the electric meter box shell and fixedly connected with the right wall of the electric meter box shell, a box cover is rotatably connected to the left side of the electric meter box shell, and an exhaust fan is fixedly connected to the bottom wall of the electric meter box shell. An installation groove is formed in the bottom wall of the electric meter box shell, the installation groove is formed in the rear side of the exhaust fan, a humidity sensor is arranged in the installation groove, the humidity sensor is electrically connected with the exhaust fan, a protective cover is fixedly connected to the lower side of the electric meter box shell, and a damp-proof mechanism is arranged on the upper side of the electric meter box shell. The electric meter box can prevent air in the electric meter box shell from being too humid, prevents equipment in the electric meter box from being affected by humid air and causing faults, prolongs the service life of the equipment, and guarantees the measurement precision of the electric meter.

The utility model discloses precise wheel body forging equipment which comprises a machine body frame, a hydraulic cylinder is fixedly connected to the front position of the top of the machine body frame, and the telescopic end of the hydraulic cylinder penetrates through the machine body frame and extends into an inner cavity of the machine body frame to be fixedly provided with an upper die head. An electric telescopic rod drives a movable plate to move, the movable plate slides on the surface of a sliding rod through a sliding sleeve so as to drive a supporting base to move, a spray head is located between a lower die base and an upper die head, a release agent is pumped into a water pipe through cooperation with an external suction pump, and the release agent is sprayed out through the spray head; a servo motor at the top of a right supporting seat drives a driving gear to rotate, the driving gear drives a driven gear to rotate so as to drive a water pipe connected to the axis of the driven gear to rotate, a bearing seat drives a spray head to rotate, the spray head is aligned with an upper die head after rotating by 180 degrees, and then a release agent is sprayed. Bonding between the part and the die holder is avoided by smearing the release agent.

The invention discloses a rolling device for steel pipe welding, comprising: a support mechanism comprising a base, a bottom plate arranged on the base, a rolling part arranged on the bottom plate, and a butt joint part arranged on the rolling part; the adjusting mechanism comprises a first penetrating opening formed in the bottom plate, a guide plate arranged in the first penetrating opening, a reset part arranged on the rolling part, a transmission part arranged on the rolling part, a rotating part arranged on the transmission part and an extrusion part arranged in the first penetrating opening; and the driving mechanism comprises a second penetrating opening and a fixing plate which are arranged on the bottom plate, a pulling part arranged on the resetting part, a driving part arranged on the fixing plate, and a rotating part arranged on the driving part. And through the arrangement of the supporting mechanism, the adjusting mechanism and the driving mechanism, workers can conveniently weld steel pipes of different sizes.

The invention provides a laser and argon arc welding device, and belongs to the technical field of welding, the laser and argon arc welding device comprises a laser welding head and an optical fiber head movably arranged at the upper end of the laser welding head, a fixing ring is arranged at the lower end of the exterior of the laser welding head, a rotating ring is rotatably connected to the exterior of the fixing ring, and a plurality of fixing seats are arranged outside the rotating ring; rotating plates are rotationally connected into the fixing bases, adjusting cylinders are slidably connected to the lower ends of the rotating plates, connecting bases are rotationally connected to the lower ends of the adjusting cylinders, fixing sleeves are arranged at the lower ends of the connecting bases, an argon arc welding head is movably arranged in one fixing sleeve, and a wire feeding head is movably arranged in the other fixing sleeve. And adjusting mechanisms are arranged among the fixed seat, the rotating plate, the adjusting cylinder and the connecting seat on the same side. Through cooperation of the adjusting mechanism and the adjusting assembly, only corresponding parts need to be rotated, the adjusting steps are simplified, the adjusting efficiency is improved, and the problem that a welding head makes contact with a workpiece due to the complex shape of the workpiece is solved through the multi-dimensional adjusting mode.

The utility model belongs to the technical field of packaging boxes, and particularly relates to an electronic device packaging box which comprises a rear surrounding plate and a containing plate. A first side wall plate and a second side wall plate are arranged on the two opposite side edges of the rear wall plate respectively, first folded plates are arranged on the lower edge of the first side wall plate and the lower edge of the second side wall plate, second folded plates are arranged on the upper edge of the first side wall plate and the upper edge of the second side wall plate, a front wall plate is arranged on one side edge of the second side wall plate, and a sticky plate is arranged on one side edge of the front wall plate. A cover plate is arranged on the upper edge of the rear coaming, and a buckle plate is arranged on the upper edge of the cover plate. A bottom plate is arranged on the lower side of the rear coaming; the lower edge and the two side edges of the placing plate are all provided with surrounding plates, the upper edge of the placing plate is provided with a connecting plate, the upper edge of the connecting plate is connected with the lower edge of the bottom plate, and the placing plate is provided with a plurality of clamping holes. And the button switch is easy to shake and touch in the packaging box, so that the button switch is easy to damage.

The invention relates to the technical field of photovoltaic cleaning, in particular to a photovoltaic cleaning robot which comprises a vehicle body assembly which comprises a vehicle body part and a gravity center distribution part. The vehicle body part comprises a vehicle frame; the functional assembly comprises a supporting part, an adjusting part and an action part; the supporting part comprises side arms which are installed on the two sides of the head end of the frame and the two sides of the tail end of the frame respectively, and cleat supporting frames are arranged at the far ends of the side arms. The cleat supporting frames located on the two sides of the head end of the vehicle straightly extend in the front direction of the vehicle, and the cleat supporting frames are bent outwards by 90 degrees at the far ends of the cleat supporting frames. By changing the direction of the main shaft, the Mecanum wheels are located at the angle where the Mecanum wheels can work normally, so that the overall length of the robot is increased, the interval spanning capacity is naturally improved, the situation that manual back-and-forth carrying is needed can be avoided, time and labor are saved, and the Mecanum wheels are suitable for the large-range operation situation.

The nursing assembly comprises a nursing bin body and at least one inner bin, the nursing bin body is provided with at least one bin groove, the inner bin is contained in the bin groove and divides the bin groove into a nursing bin and an auxiliary bin, the interior of the inner bin or a bin body surrounded by the interior of the inner bin and the bottom of the bin groove is the nursing bin, and the auxiliary bin is arranged in the nursing bin. A bin body defined by the bin groove and the inner bin is an auxiliary bin, at least one first electrode and at least one second electrode are arranged in the nursing bin, and at least one third electrode is arranged in the auxiliary bin; a through hole is formed in the side wall of the inner bin, a cation exchange membrane is arranged on the through hole in a sealed mode, and solutions in the nursing bin and the auxiliary bin are electrically communicated only through the cation exchange membrane. The utility model has the advantages of ingenious design, convenience in assembly, firmness and durability, inner and outer sleeve connection, convenience for arranging sealing surfaces on the same plane, and convenience for assembling the cation exchange membrane on the inner bin.

The invention relates to the technical field of cultivation devices, in particular to a fruit and vegetable cultivation device which comprises a box body, mounting vertical plates are symmetrically arranged on the box body, a rotary cultivation mechanism for cultivating fruits and vegetables in batches is arranged on the mounting vertical plates, and a plant protection mechanism for preventing a nutrient solution from dripping onto the surfaces of the fruits and vegetables to cause damage is arranged in the rotary cultivation mechanism. A liquid supply mechanism for providing a nutrient solution for the roots of the fruits and vegetables is arranged in the box body, a light source supply mechanism is arranged above the box body, the rotary cultivation mechanism comprises a rotary support movably mounted on a mounting vertical plate, and a driving motor is fixedly mounted on the side, away from the rotary support, of the mounting vertical plate. By arranging the plant protection mechanism, a nutrient solution remaining on the upper open box body in the rotary cultivation process can be prevented from dripping onto the lower open box body through mutual cooperation between a solution receiving cylinder and a bearing assembly, and the phenomenon that the nutrient solution drips onto a fruit and vegetable body to generate adverse effects on the fruit and vegetable cultivation process can be effectively avoided.

The utility model relates to the technical field of tunnel reinforcement, and provides grouting reinforcement equipment which comprises a pipe frame and a base, a plurality of telescopic columns are installed on the inner wall of the pipe frame in a sliding mode, the base is fixedly installed at the ends, located on the pipe frame, of the telescopic columns, and a plurality of limiting holes are formed in the outer surfaces of the telescopic columns. The two inner cavities are formed in the ends, close to the limiting holes, of the pipe frames, and T-shaped frames are installed at the tops of the two inner cavities in a sliding mode; when the first spring is not stressed, the limiting block is pushed out from the interior of the inner cavity to the interior of the limiting hole, the telescopic column is limited again through the limiting block, the stability of the pipe frame after height adjustment is enhanced conveniently, the pipe frame can be away from sharp objects on the ground easily, and the pipe frame is convenient to use. When the grouting pipeline is placed in the pipe frame, the grouting pipeline is prevented from being in contact with sharp objects, the grouting pipeline is protected, and the service life of the grouting pipeline is prolonged.

The utility model relates to the technical field of pile foundation hole cleaning devices, in particular to a bridge pile foundation hole cleaning device suitable for a karst area, which comprises a fixing frame, a traction structure arranged on the fixing frame, and a cleaning structure connected with the traction structure and arranged in the middle of the lower portion of the fixing frame in a lifting mode. The fixing frame is adjusted to be aligned with the middle position of the pile foundation hole, the cleaning structure can be lowered to the middle position of the bottom of the pile foundation hole by operating the traction structure, cleaning efficiency can be improved, and the cleaning structure is not prone to colliding with the hole wall when entering and exiting the pile foundation hole. The cleaning structure comprises a flushing channel, a water absorbing channel, a water supplementing channel and a rotary stirring piece, the upper portion of the rotary stirring piece is rotatably arranged in the flushing channel, the flushing channel has the functions of flushing and driving stirring at the same time, and the water absorbing channel and the water supplementing channel are arranged on the two sides of the flushing channel respectively; and the water supplementing channel can wash sediments on one side to the other side, so that the cleaning time is saved, and the cleaning effect is improved.

The utility model provides an explosion-proof electrical control box button operation mechanism, relates to the electrical technical field, and comprises a button box main body, the outer surface of the button box main body is fixedly connected with a support plate sleeve, the outer surface of the support plate sleeve is fixedly connected with a connecting plate, the top of the support plate sleeve is provided with a screw cap, and the screw cap is provided with a screw hole. A button body is arranged at the bottom of the screw cap, a movable groove is formed in one side of the button body, and a first clamping groove is formed in the top of the supporting plate sleeve. According to the utility model, the supporting plate sleeve is designed to surround the button main body and prevent non-related personnel from touching the button main body, the connecting plate is arranged to fix the supporting plate sleeve on the outer surface of the button box main body conveniently, the screw cap is arranged at the top of the supporting plate sleeve to press the button from the outer side of the button main body conveniently, and the spring is designed to press the button from the outer side of the button box main body conveniently. The screw cap can be conveniently supported on the top of the supporting plate sleeve through the elastic force of the spring, and the screw cap is prevented from being excessively loosened.

The utility model discloses a horizontal pushing type double-insurance connector, which relates to the technical field of connectors, is used for solving the problems that the existing connector is poor in processing precision and easy to deform when being impacted, and comprises a shell, a horizontal pushing oil cylinder arranged in the shell and a movable hook, a front shaft connecting block is arranged at the top of the movable hook, the end of the piston rod is matched with the front shaft connecting block, first sliding ways are arranged on the two sides of the movable hook, first sliding grooves matched with the first sliding ways are formed in the inner side wall of the shell, a front limiting plate is arranged on the shell, and a large spring limiting block is arranged on the cylinder barrel. A large spring is arranged between the large spring limiting block and the front shaft connecting block, the rear safety block is in sliding fit with the safety block sliding way, and a groove is formed in the bottom of the rear safety block. The connector is good in structural matching performance, better in structural strength and controllable in clearance precision, and solves the problems that an existing connector is poor in machining precision and prone to deformation when impacted.

The present invention relates to the technical field of assembly jigs for medical devices, and in particular to a blood pump assembly jig and an assembly method, wherein the blood pump assembly jig comprises a moving mechanism and a pump body clamping assembly and / or an impeller clamping assembly arranged on the moving mechanism; the pump body clamping assembly is used to clamp and fix the pump body, the impeller clamping assembly is used to clamp and fix the impeller assembly, and the moving mechanism drives the pump body clamping assembly and the impeller clamping assembly to be relatively close to or relatively far away from each other; the blood pump assembly jig provided by the present invention clamps and fixes the pump body by the pump body clamping assembly, and clamps and fixes the impeller assembly by the impeller clamping assembly, and then uses the moving mechanism to drive the pump body clamping assembly and the impeller clamping assembly to be relatively close to or relatively far away from each other, thereby effectively avoiding the defect that the product quality cannot meet the use requirements due to poor coaxiality during manual assembly, and ensuring the consistency of the quality of the assembled products.

The utility model relates to the technical field of metal material surface treatment, and discloses a micro-arc oxidation reactor and a micro-arc oxidation reaction device. Wherein the micro-arc oxidation reactor comprises a reaction cylinder and an insulating vertical partition plate. A reaction cavity with an opening is defined by the reaction cylinder, and the reaction cylinder is used for containing a reaction solution; the insulating vertical separator has a through hole. The insulating vertical partition plate is arranged in the reaction cylinder along the axial direction and is used for dividing the reaction cavity into a first cavity and a second cavity which are communicated with each other; wherein one of the first cavity and the second cavity is used for placing an anode sample piece, and the other one of the first cavity and the second cavity is used for placing cathode metal. In the application, the anode sample piece and the cathode metal are separately placed, so that the anode sample piece and the cathode metal are prevented from being contacted under the condition that the reaction solution overflows, and the use safety of the equipment is improved.

The invention relates to a culture method for a microbial membrane of a membrane module. The culture method comprises the following steps: S1, preparing a nutrient solution as a liquid culture medium; s2, a nutrient solution is poured into each membrane tube of the membrane carriers, the membrane tubes are sealed, and then the multiple membrane carriers are evenly placed in a culture pond; s3, a nutrient solution is poured into the culture pond until the liquid level just covers the top of the membrane tube, and microorganisms are put into the culture pond; s4, the temperature condition in the culture pond is maintained, microorganisms are cultured, and the microorganisms are attached to the outer side face of the membrane pipe; s5, when nutrients in the nutrient solution in the culture pond are used up, the free microorganisms in the pond body die successively, and the microorganisms attached to the membrane pipe continue to grow and breed on the membrane pipe by means of the nutrient solution in the membrane pipe to form a membrane carrier loaded with the microorganisms.

A dynamic capturing device for concrete construction disclosed by the present invention comprises a first mounting seat, a second mounting seat, a limiting prism, a clamping unit and a fixed supporting box, one end of the limiting prism is in sliding fit with the second mounting seat, the other end of the limiting prism is detachably connected with the first mounting seat through the clamping unit, and an elastic pressing assembly is arranged in the fixed supporting box. The telescopic end of the elastic pressing assembly abuts against one side of the limiting prism, the limiting prism is further provided with a pressing alarm unit, the first mounting base is provided with an alarm lamp, and a dismantling alarm unit matched with the fixed supporting box is arranged in the limiting prism. The first mounting base and the second mounting base are mounted on two casting formworks for target monitoring correspondingly, by arranging the pressing alarm unit, when formwork removal time is not up and formwork removal is conducted, the two formworks move relatively to enable the first mounting base to be far away from the second mounting base, meanwhile, the elastic pressing assembly moves and touches the pressing alarm unit, an alarm lamp is turned on, and the formwork removal time is shortened. And illegal form removal behaviors can be conveniently found in time.

The invention relates to an automatic needle selection device of a glove knitting machine, which comprises a needle selector, a needle selection bird piece and a needle selection roller which are arranged in one-to-one correspondence, a rotating shaft is arranged on the needle selection bird piece, the needle selection bird piece rotates by taking the rotating shaft as a center, the needle selection bird piece comprises a needle selection part and an abutting part, the needle selector is provided with a presser foot part, and the needle selection part and the presser foot part are matched to work. The needle selecting device comprises a needle selecting bird sheet and a needle selecting roller, the needle selecting bird sheet is provided with an abutting part, the abutting part and the needle selecting roller work in a matched mode, the abutting part and the needle selecting part are located on the same side of the needle selecting bird sheet, a circular groove is formed below the abutting part, the needle selecting roller is located in the circular groove, the needle selecting roller is provided with a high boss, a middle boss and a low boss, and needle selecting is achieved through abutting of the high boss, the middle boss or the low boss and the abutting part. By adjusting the needle selection bird sheet structure and the needle selector presser foot part, efficient operation of the needle selector is effectively guaranteed, and the needle selection efficiency is effectively improved through forward and reverse rotation of the needle selection roller.

The present application relates to the technical field of aquaculture, and especially relates to a high-density and high-benefit freshwater fish circulating water breeding method, which uses a high-density and high-benefit freshwater fish circulating water breeding pond, the breeding pond comprises a pond body, a water inlet pipe and a sewage suction pipe, etc.; a sewage ditch is formed on the pond body; the water inlet pipe is connected to the front side of the pond body; the sewage suction pipe is arranged on the back side of the pond body, and a plurality of branch pipes are arranged on the sewage suction pipe and located in the sewage ditch; the water inlet pipe and the sewage suction pipe are connected to an external filtering device, and a water pump is arranged on the filtering device. The present application realizes that the impurities at the bottom of the pond body are pushed backward to the sewage ditch by the scraper, and the straight plate part of the scraper blocks and limits the impurities in the process of backward movement of the scraper, so that the impurities are not lifted, the sewage passes through the water filtering port when the impurities are moved backward by the scraper, and thus the problem that the collection effect of the impurities is reduced due to the backward movement of the pond water caused by the scraper is avoided.

The invention provides a cumin inter-row harvesting device suitable for a cotton cumin interplanting mode. The cumin inter-row harvesting device comprises a divider, a harvesting and conveying device, a walking device and a control system. The walking device has an adjustable transverse working width and is used for crossing multiple rows of cotton and carrying out cross-row harvesting on multiple rows of cumin among the rows; the dividing device is arranged below the walking device and used for gathering cumin in clusters and conveying the cumin backwards. The harvesting and conveying device is distributed at the lower rear part of the dividing device and is used for cutting the divided and gathered cumin seeds and tiling the cumin seeds backwards in a harvested area; the control system is electrically connected with the dividing device, the harvesting and conveying device and the walking device and used for controlling dividing, cutting and conveying and advancing steering. The power of the whole machine is provided by a range-extended generator, and remote control is realized through a wireless remote control unit. On the premise that cotton is not damaged, cross-row efficient harvesting of multiple rows of cumin can be achieved, the structure is compact, operation is convenient and fast, labor intensity is remarkably reduced, and harvesting efficiency is improved.

The utility model discloses a suspension electromagnet and a high-speed maglev train, and relates to the technical field of high-speed maglev trains. The suspension electromagnet comprises a magnet back box and a plurality of magnetic poles; the plurality of magnetic poles are fixedly arranged on the magnet back box, and the upper surfaces of all the magnetic poles are preset curved surfaces; the preset curved surface and the deformation curved surface are mirrored; the deformation curved surface is a surface formed by bending deformation of the upper surface of the reference surface in a magnetic pole full-load state; the datum plane is a horizontal plane intersecting with the top end point in the preset curved surface. In the process of using the suspension electromagnet provided by the utility model, in order to prevent the suspension electromagnet from touching a track due to deformation, the suspension electromagnet is arranged in advance according to the direction opposite to the deformation, so that under the condition of full load or load, the preset curved surface is closer to a plane due to the deformation of the suspension electromagnet, and the suspension electromagnet is prevented from being damaged. The preset curved surface can be effectively prevented from contacting the track.

The utility model discloses a screen protection device, which relates to the technical field of screen protection and comprises an outer frame, four corners of the outer frame are symmetrically provided with mounting holes in a penetrating manner, the front end of the outer frame is provided with a protection mechanism, and the outer frame is internally provided with a fixing mechanism. By means of the magnetic attraction effect between the two sets of limiting magnets, the baffles can be conveniently and rapidly installed in the grooves, then the baffles are conveniently reinforced through threaded connection between the bolts and the screw holes, installation of the baffles is completed, dust can be prevented from entering the outer frame through the transparent baffles, and the baffles are prevented from being damaged. The screen can be prevented from being touched by people, a certain protection effect on the screen is achieved, threaded plates in threaded connection with the two sides can be driven to get close to each other through a rotating lead screw, the threaded plates can drive moving plates on the two sides to move synchronously under moving cooperation of guide plates, and clamping frames on the two sides can clamp and fix the screen; and the installation of the screen is completed, so that the normal use of the screen is facilitated.

The UV resin synthesis reaction kettle comprises a warning mechanism, the warning mechanism comprises a reaction kettle, the surface of the reaction kettle is fixedly connected with a fixed frame, the surface of the inner wall of the fixed frame is slidably connected with a sliding block, the front face of the sliding block is fixedly connected with a movable rod, and the movable rod is fixedly connected with a vacuum pump. The right side of the movable rod is fixedly connected with a banner, the surface of the banner is fixedly connected with a round rod, the banner is arranged on the surface of the round rod in a sleeving mode, the top and the bottom of the front face of the round rod are movably connected with fixing cylinders through bearings, the back faces of the fixing cylinders are fixedly connected with the front face of a fixing frame, and the tops of the fixing cylinders are fixedly connected with a fixing frame; a first motor is fixedly connected to the surface of the inner wall of the fixing frame. When the reaction kettle is used, the reaction kettle can be isolated under the action of the warning mechanism and the linkage mechanism, so that the reaction kettle is prevented from being touched or operated by other personnel during operation, and the reaction kettle has the advantages of isolation and warning.

The invention relates to the technical field of tetrafluoro-lined pipe fittings, in particular to a sintering furnace for machining the tetrafluoro-lined pipe fittings, which comprises a furnace body and mounting seats, a base is arranged on the right side of the furnace body close to a furnace door, two groups of mounting seats are fixedly connected in the base, two groups of bottom columns are movably connected in each group of mounting seats, and racks fixedly sleeve the bottom columns respectively. A motor groove is formed in the bottom end of the bottom column, a lifting motor is installed in the motor groove, and an output shaft of the lifting motor is fixedly connected with a first gear. According to the sintering furnace for machining the lining teflon pipe fitting, supporting force with the bottom capable of being overturned is provided for the sintering bed while the sintering bed is automatically lifted, workers can conveniently take out the pipe fitting, the situation that the workers touch the high-temperature sintering bed and are scalded due to careless operation when bending down to take out the high-temperature pipe fitting is prevented, the cooling safety is improved, and the working efficiency is improved. The moving flexibility of the sintering bed and the stability after shutdown are ensured, and the problem that the operation is very inconvenient and dangerous after the furnace bed is discharged from the furnace is solved.

The invention relates to the technical field of medical instruments, in particular to a thoracoscope for thoracic surgery, which comprises a thoracoscope body sleeve and a thoracoscope tube, the thoracoscope body sleeve is fixedly connected with the thoracoscope tube, and a working opening is formed in one end, far away from the thoracoscope body sleeve, of the thoracoscope tube; a working assembly is arranged on the inner side of the endoscope tube and located at the end away from the endoscope body sleeve in a sliding mode, and a driving mechanism for controlling the working assembly to linearly move in the length direction of the endoscope tube is arranged in the endoscope body sleeve. By the adoption of the technical scheme, the working assembly at the end of the endoscope tube can be protected, a camera is prevented from being polluted before an operation or in the process of being inserted into the thoracic cavity of a patient, the camera shooting effect is prevented from being affected, and the operation efficiency is improved to a certain degree.

This invention discloses a hopper tilting mechanism and method that requires no disassembly or maintenance, relating to the field of gold tailings hopper maintenance technology. The mechanism includes a tilting frame and a hopper. The tilting frame is equipped with a drive assembly for driving tilting and lifting. The drive assembly includes two lifting slots on both sides of the tilting frame. Inside each lifting slot is a lifting plate that can be raised and lowered during hopper tilting. A guide rod is provided on the side of each lifting plate that is far from each other. Two hydraulic telescopic rods are rotatably connected to the bottom of the side of each lifting plate that is far from each other. Two guide frames corresponding to the positions of the guide rods are fixedly connected to the outside of the tilting frame. The hopper tilts by rotating the tilting plate, allowing for maintenance or cleaning of the hopper without disassembly, reducing the complex disassembly steps required for hopper maintenance and thus improving the efficiency of hopper maintenance.

The utility model relates to the technical field of ultrasonic dog expelling, in particular to an ultrasonic dog expelling device which comprises a dog expelling device body, a support and a connecting rod, ultrasonic emitters are arranged on the outer side of the dog expelling device body, a flashing light is arranged between the two ultrasonic emitters, and a mounting hole is formed in the position, close to the edge of the top end, of the outer side of the dog expelling device body. A mounting rod is arranged in the mounting hole, one end of the mounting rod is fixedly connected with a cross rod, the upper end and the lower end of the cross rod are fixedly connected with vertical rods, a supporting rod is fixedly connected to the middle of the bottom end of the dog expelling device, a threaded hole is formed in the bottom end of the supporting rod, and a threaded rod is fixedly connected to the top end of the support. According to the dog repeller, by arranging the flashing light, the mounting hole, the transverse rod, the mounting rod and the vertical rod, children or small animals can be prevented from touching the dog repeller, artificial damage is avoided, the safe use period of the dog repeller is prolonged, the transverse rod and the vertical rod can surround the outer side of the dog repeller, and components such as an ultrasonic transmitter are protected.

The present invention discloses a fast handling device for picking up and placing automobile stamping parts, comprising a rocker mechanism, a gripper mechanism, a direction control mechanism and a gripper placement mechanism; the rocker mechanism comprises a rocker unit and a driving motor arranged in parallel, the rocker unit comprises a base, a left rocker and a right rocker, the left and right rockers are connected by a connecting rod, and the rocker performs left and right swinging motions under the action of the driving motor; the gripper mechanism comprises a gripper frame, a gripper and a gripper cylinder, the direction control mechanism comprises a double-acting cylinder, a left spring and a right spring; the gripper placement mechanism comprises an inner and outer positioning block, and a limit block is arranged on the outer positioning block. The present invention can complete the handling of stamping parts with one motor, greatly saving the handling time and improving the beat of the equipment; not only the handling efficiency is high, time and labor are saved, the picking and placing position of stamping parts is high, but also the principle is simple, and only one motor drive is required to complete the handling operation of stamping parts, saving costs.