108results about How to "Quick reset" patented technology

The utility model discloses a neurology department examination lifting device, relates to medical instrument technical field, including support frame, the lower side of support frame close to left and right side position is fixedly connected with two moving platform that left and right symmetrical distribution, the inner side of support frame upper wall is rotatingly connected with lifting mechanism, and the lower side of the lifting mechanism is fixedly connected with two fixing mechanisms which are symmetrically distributed left and right. According to the lifting device for examination in the neurology department, the winding disc is driven by the first motor to rotate, so that the first traction rope pulls the fixing mechanism to move up and down, the second winding disc is driven by the third motor to rotate, and the rotating plate is inclined to adapt to the trend of limbs of a patient, so that the limbs of the patient are lifted and explored; the first traction rope and the second traction rope are adopted, so that the problem that parts are seriously abraded due to frequent rotation of a threaded rod when the threaded rod is adopted for lifting is solved.

The utility model relates to a medicine bottle for a soft fog inhaler and a soft fog inhaling device.The medicine bottle comprises a bottle body, a plunger is arranged in the bottle body, and an inner cavity of the bottle body is divided into a sealed space for storing liquid medicine through the plunger; a filter element and an atomization chip are sequentially arranged at the outlet end of the bottle body, the filter element is located between the sealed space and the atomization chip, and the atomization chip is fixedly assembled at the outlet position of the bottle body; an elastic piece is arranged on the outer side of the atomization chip, a supporting piece is arranged on the outer side of the elastic piece, and the supporting piece is fixedly connected with the outlet end of the bottle body; when external force is applied to push the plunger, liquid medicine enters the atomization chip through the filter element and is atomized by the atomization chip to form fog drops to be sprayed out. According to the soft fog inhalation device, the medicine bottles in the soft fog inhalation device can be rapidly replaced, the atomization requirements of different particle sizes can be met, the cross contamination problem caused by different liquid medicine of an atomization chip is avoided, and the soft fog inhalation device can solve the problems that a soft fog generation driving device is high in operation difficulty, high in manufacturing cost, poor in working stability and the like.

The utility model discloses a vegetable processing and cleaning device which comprises a water tank and a lifting net frame, a hoisting plate is arranged above the water tank, a first bolt is arranged on the hoisting plate, a fixing frame is arranged below the hoisting plate through a lifting mechanism, a reciprocating lead screw is rotationally arranged in the fixing frame, and the reciprocating lead screw is connected with the lifting net frame. A driving motor connected with the reciprocating lead screw is arranged on the fixed frame, the reciprocating lead screw is sleeved with a lifting frame through a limiting mechanism in a threaded mode, the lifting frame is connected with a lifting screen frame through a connecting mechanism, a fixed rod is fixedly arranged on the lifting screen frame, and the fixed rod is connected with the reciprocating lead screw through a rotating mechanism. The reciprocating lead screw is driven by the driving motor to rotate, the lifting screen frame can move up and down and rotate in the water tank in a combined mode, vegetables make contact with water flow in a multi-angle and multi-direction mode, cleaning blind areas are broken, mechanical friction is enhanced, stubborn stains such as soil and pesticide residues on the surfaces of the vegetables are effectively removed, and cleaning is more thorough.

The utility model relates to an automobile V-shaped thrust rod, in particular to a lightweight automobile V-shaped thrust rod which comprises a main rod, two side rods are installed at one end of the main rod, the two side rods are symmetrically distributed on the end face of the main rod, installation grooves are formed in the ends, away from the main rod, of the two side rods, and installation rods are arranged in the installation grooves. A connecting rod is fixedly connected to the end, away from the mounting groove, of the mounting rod, a side lifting lug is fixedly connected to the end, away from the mounting rod, of the connecting rod, and the mounting rod rotates in the mounting groove; according to the V-shaped thrust rod, the mounting groove is formed in the side rod of the V-shaped thrust rod, the rotatable mounting rod is mounted in the mounting groove, the effect of adjusting the angle of the lifting lug on the upper side of the mounting rod can be achieved, the mounting hole in the mounting block is connected with the movable rod in an inserted mode, and the mounting rod is fixed; and it is ensured that the rotated mounting rod is in a stable state.

The invention relates to a signal control circuit based on a transverse tandem photoelectric detection unit structure and a control method, and belongs to the field of photoelectric detection and control. The circuit comprises a transverse tandem detection unit structure and a post-stage signal processing circuit, wherein the post-stage signal processing circuit comprises a plurality of resistor units, a bipolar transistor and an MOS (Metal Oxide Semiconductor) tube; according to the method, an optical signal is converted into an electric signal through a transverse tandem type detection unit structure, and charge release and voltage signal output processing are carried out through a post-stage signal processing circuit. When light enters the transverse tandem type detection unit structure, the output tube is switched on; when no photo-generated current exists, the output tube is switched off; and the output tube can output a voltage control signal meeting the amplitude requirement when being switched on or switched off so as to control the working state of a rear-end circuit. By combining the photoelectric detection unit and the signal processing circuit, monolithic integration and process fusion of the silicon-on-insulator process are realized, the parasitic effect between elements can be effectively reduced, and the interconnection scheme of discrete devices is upgraded.

The utility model discloses a kind of riveting devices for fixing automobile seat accessories of multiple model adaptation, it is related to automobile seat accessory technical field, including riveting machine, the upper surface of riveting machine is fixedly connected with control cabinet, the upper surface of riveting machine is uniformly fixedly connected with six machine bases, the inner wall of machine base is installed with motor, the output of motor is fixedly connected with telescopic mechanism, the output of telescopic mechanism is fixedly connected with spin riveter, the upper surface of riveting machine is fixedly connected with mounting seat, the upper surface of mounting seat is fixedly connected with base, the upper surface of base is slidably connected with two clamping plates, the upper surface of base is fixedly connected with support plate, the upper surface of support plate is rotatably connected with pressing plate, this one kind riveting device for fixing automobile seat accessories of multiple model adaptation reaches the effect that slide rail is automatically popped out to a certain height after riveting fixation, to avoid the problem that personnel is inconvenient to take after slide rail is located between multiple spin riveters as far as possible.

This utility model discloses a breathable and moisture-wicking knitted fabric, relating to the field of knitted fabrics. It includes a sweat-absorbing protective layer and a supporting elastic layer. A first interlocking layer is installed on the lower surface of the sweat-absorbing protective layer, and an elastic abutment mechanism is installed on the lower surface of the first interlocking layer to abut against an elastic pressing member. The elastic abutment mechanism includes a second interlocking layer with a raised top design. The raised top portion of the second interlocking layer interlocks with the lower end of the first interlocking layer. When the user sweats after wearing this breathable and moisture-wicking knitted fabric during exercise, the breathable filter layer expels external heat, allowing air to efficiently pass through the fabric and contact the skin, making the user cooler. Simultaneously, the cooperation between the supporting elastic layer and the elastic pressing member enhances the comfort of the fabric. This design prevents stuffiness even after prolonged close-fitting wear, ensuring a comfortable experience even with extended wear.

The invention discloses a gas-liquid cylinder which comprises a cylinder body, a piston is arranged in the cylinder body, a piston rod with the end extending out of the cylinder body is connected to the piston, a gas chamber and an oil chamber are correspondingly formed in the two sides of the piston in the cylinder body respectively, a gas channel communicated with the gas chamber is formed in the cylinder body, and the oil chamber is communicated with the gas channel. The cylinder body is further provided with an independent oil inlet and an independent oil outlet which are communicated with the oil chamber, and a switch valve is arranged at the oil outlet. When the piston rod extends outwards, the switching valve is closed to close the oil outlet, hydraulic oil is input into the oil chamber from the oil inlet, and gas in the gas chamber is compressed to form pre-pressure; and when the piston rod resets, the switching valve is opened to open the oil outlet, and the hydraulic oil in the oil chamber is discharged from the oil outlet. The reset mechanism has the advantages of being reasonable in structure and high in reset speed.

The utility model relates to product screw assembly technical field, and disclose a kind of multi-station screw automatic assembly machine, including workbench and the four columns of workbench top end fixed installation, the one end fixed installation of column away from workbench is equipped with top plate, the one side fixed installation of top plate away from column is equipped with cylinder, the output of cylinder is fixedly installed with moving plate, the one end fixed installation of column away from top plate is equipped with fixed plate.This multi-station screw automatic assembly machine, through the design of six drive assemblies, six screws can be assembled simultaneously, further improve the overall assembly efficiency, through the cooperation of screw rod and sliding slot, during assembly, fixed rod is guided, and the fixed rod is also limited, to avoid the damage of screwdriver bit caused by excessive downward movement of fixed rod, through the design of spring, after assembly is completed, the screwdriver bit can be quickly reset, making the next assembly easier, and the practicability is higher.

The utility model belongs to the vending machine technical field, concretely relates to a four -way vending machine, including the support plate of one side in the box, be equipped with locking mechanism between support plate, with box fixed connection, locking mechanism includes the base of installation motor and fixed part, be equipped with the stop piece on fixed part, and the cam of motor connection and the locking piece of left and right movement by the cam drive, through the locking piece of cam drive and spring cooperation, can realize with the stable locking and quick unlocking of vending door clamping support, spring is in normal state when locking, provides the stable locking force of continuous, when unlocking, spring compression, it is convenient for quick reset, effectively prevent the stolen goods, guarantee vending machine safety, through the locking piece of cam drive and spring cooperation, can realize with the stable locking and quick unlocking of vending door clamping support.

This utility model discloses a filter element cutting device, comprising: a U-shaped frame, a conveyor internally mounted on the U-shaped frame, a folding cover rotatably mounted on the other end of the U-shaped frame, a folding pressing mechanism fixedly mounted inside the U-shaped frame, the pressing end of the folding pressing mechanism being able to flip and press against both ends between the conveyor and the folding cover to achieve pressing of the conveyed filter element, and an N-shaped frame fixedly mounted on the upper surface of the U-shaped frame, with a laser ranging sensor fixedly mounted inside the N-shaped frame. This application, through the design of the folding pressing mechanism, achieves fully automated operation from conveying, folding, detection, and cutting, reducing manual intervention, improving production efficiency, and lowering labor costs. Simultaneously, the closed-loop thickness detection and control system ensures the stability and consistency of filter element quality, improving the overall product quality.

The utility model discloses a hand bag making indentation device which comprises a base and an installation frame, the installation frame is fixedly arranged on the top of the base through a support, and the utility model relates to the technical field of hand bag making. According to the indentation making device for the hand bag, the sample placing table is rotationally arranged in the mounting frame, and the automatic discharging mechanism is arranged between the sample placing table and the top plate, so that when the top plate carries out indentation on the hand bag at the top of the sample placing table through the indentation strip, the automatic discharging mechanism can carry out automatic inclined stripping on the indented hand bag at the top of the sample placing table; and secondly, the elastic binding belt is arranged between the lofting table and the base, so that the lofting table can be conveniently and rapidly reset and avoid excessive overturning through the pulling force of the elastic binding belt, and secondly, the rubber strip is arranged at the bottom of the lofting table, so that the lofting table can be reset, and the sound can be reduced through the rubber strip when the lofting table is reset.

The utility model discloses a fried food oil draining device which comprises a base and a shell, supports are arranged on the two sides of the base, the two sides of the shell are installed on the supports through connecting columns, and a conical hopper is connected with a first wave-shaped cam through a plurality of supporting rods. A driven gear is arranged outside the inner cylinder, and a plurality of guide grooves are formed in the inner wall of the inner cylinder; an oil draining basket is arranged in the inner cylinder, a plurality of guide blocks in clearance fit with the guide grooves are arranged outside the oil draining basket, and a second waveform cam is arranged on the lower portion of the oil draining basket; the device further comprises a driving mechanism, the driving mechanism comprises a motor, an output shaft of the motor is connected with a rotating shaft, the lower end of the rotating shaft is provided with a driving gear, and the driving gear is meshed with the driven gear. A composite acting force field is formed by a centrifugal field generated by rotation of the inner cylinder and dynamic shock waves formed by vertical vibration of the oil draining basket, so that oil films on the surfaces of fried foods are efficiently separated in three stages of stripping, throwing off and vibrating, the oil draining effect of the fried foods is enhanced, and the oil draining efficiency is improved.

The utility model relates to the technical field of feeding device, in particular to a kind of plunger core outer circle grinding feeding device, staff under the assistance of guiding assembly neatly arrange multiple groups of piston rods on No. 1 guide plate, staff only need to neatly arrange multiple groups of piston rods on No. 1 guide plate under the cooperation of guiding assembly, improve feeding efficiency;Including counterweight box, conveying frame, baffle, support frame, No. 1 guide plate and No. 2 guide plate, the top of the counterweight box is provided with support frame, the side end of the support frame is provided with conveying frame, one end of No. 1 guide plate is connected with the one end of No. 2 guide plate, No. 1 guide plate and No. 2 guide plate are all installed in support frame inboard, No. 1 guide plate and No. 2 guide plate are all installed with horizontal plane angle, still include lifting assembly, conveying assembly and guiding assembly, guiding assembly is provided on No. 1 guide plate, lifting assembly is provided on No. 1 guide plate, conveying assembly is provided on conveying frame.

This utility model discloses a tool for disassembling and assembling a balance shaft support sleeve for tracked vehicles, belonging to the field of tracked vehicle maintenance technology. It includes a splash guard and a base. A connecting plate is mounted on the base, and a support sleeve is mounted on one side of the connecting plate. A balance shaft is located inside the support sleeve, and a cylinder is mounted inside the splash guard. The balance shaft is coaxially aligned with the cylinder and located at the bottom of the cylinder. A bearing is located at the top of the cylinder, and a perforated plate is provided between the bearing and an electric wrench. The electric wrench is mounted on the bearing. A weight-reducing hole is opened on the front side of the cylinder. Stable mechanical linkage is achieved by inserting a pin 8 into the mating hole of the support sleeve 10. Driven by the electric wrench, the pin drives the support sleeve 10 to rotate at high speed, completing the disassembly of the balance shaft 9. The tool, through the cooperation of a dedicated disassembly device 6 and a return spring 7, ensures that the support sleeve 10 can quickly return to its original position after disassembly.

The utility model discloses mixing equipment for kitchen waste sludge treatment, which comprises a mixing tank fixed on a supporting table, a feeding pipe and a discharging mechanism are connected onto the mixing tank, an open groove is arranged at the top of the mixing tank, a top cover for sealing the mixing tank is mounted on the open groove in a lifting manner, and a fastening mechanism is arranged between the top cover and the mixing tank. A stirring mechanism and a heating mechanism are mounted at the bottom of the top cover, and a batching pipe is connected to the top cover. The effects of improving the mixing uniformity, ensuring the mixing quality and improving the operation safety and stability of equipment are achieved.

The utility model discloses a box type inner floating disc for storage tank relates to box type inner floating disc for storage tank technical field, including the storage jar, the inner chamber swing joint of storage jar has the floating disc mechanism, the right side lower part fixedly connected with the discharge pipe of storage jar periphery, the right side fixedly connected with the feeding mechanism of storage jar inner chamber. The utility model discloses a box type inner floating disc for storage tank, through the cooperation of feed inlet, spring pipe no.

This invention discloses an automatic weighing device for micro-gram powders, relating to the field of micro-weighing technology. It includes a feeding structure, a subdivision structure, a weighing structure, and a container transfer structure arranged sequentially from top to bottom. The feeding structure includes a hopper with a first subdivision mesh at the hopper outlet. The first subdivision mesh has first mesh holes for powder to fall through, and a first driving structure drives a sealing plate to block and open the first mesh holes. The subdivision structure includes a subdivision space with a continuously oscillating second subdivision mesh at the subdivision inlet. A second driving structure drives a subdivision drum to rotate, and a third driving structure drives a container to tilt, pouring out the powder from the container. The container transfer structure includes a rotating lifting platform and a gripping robot mounted on the rotating lifting platform. Through the feeding structure, subdivision structure, weighing structure, and container transfer structure, automatic weighing and conveying of powders are achieved, thereby reducing manual labor intensity and improving work efficiency.

The application relates to the technical field of automobile steering return, in particular to an electric power-assisted steering system and a return device thereof, which comprises a return device, the return device comprises a steering rod, an adjusting mechanism arranged on the steering rod and a return mechanism arranged on the adjusting mechanism; the adjusting mechanism comprises a containing part arranged on the steering rod and an adjusting part arranged on the steering rod; the return mechanism comprises a return part arranged on the adjusting part and a force storage part arranged on the return part; the setting of the return device facilitates better driving of the steering rod to reset; when the moving distance of the steering rod is too long, multiple force storage parts can simultaneously assist the steering rod, the quick resetting of the steering rod is facilitated, the setting of the driving part facilitates better driving of the inserted block in the side groove to separate from the side groove, the movement track of the steering rod is translation, and the resetting of the return device is facilitated.

The application discloses an aggregate dust removal device for a large concrete mixing station and relates to the dust removal device field.The aggregate dust removal device comprises a conveying device, a dust falling assembly is arranged on one side of the conveying device, and the dust falling assembly comprises a dust filtering unit, a spraying unit, a separation unit and a vibration unit.The dust filtering unit comprises a dust filtering plate, a plurality of dust filtering holes are formed in the dust filtering plate, the dust filtering plate is arranged to be inclined to the conveying device direction and extends above one end of the conveying device, and the spraying unit is arranged on the side of the dust filtering plate close to the conveying device.The dust on the aggregate is cleaned through the cleaning water, the dust on the aggregate is treated more completely, a large amount of dust is prevented from being raised in the subsequent conveying and processing of the aggregate, the cleaning water and the sludge can be continuously separated, the filter cloth belt has the effect of continuous filtration, the dust in the aggregate is more quickly and completely filtered through the dust filtering plate, the spraying on the aggregate is improved, the cleaning effect on the aggregate is improved, and the impact and beating effect on the dust filtering plate and the filter cloth belt is better.

The utility model relates to a clamp device for numerical control machining, which comprises a fixed bottom plate, a sliding clamping block, a fixed clamping block, a clamping platform, a gear set, a locking mechanism, a roller, a roller connecting rod, a reset device, a spring bolt deflector rod and a connecting rod fixing seat, the clamping platform is installed on the fixed bottom plate, the locking mechanism has a certain locking effect on the clamp, the cross section of the spring bolt is designed to be a rectangle plus a quarter circle, the first spring is arranged on one side of the spring bolt, the contact position of the spring bolt shifting rod and the spring bolt can easily rotate upwards but is difficult to move downwards, and the clamp can conduct locking during clamping. When clamping needs to be loosened, the sliding knob needs to be shifted to pull back the spring bolt, at the moment, due to the existence of the reset device, manual shifting of the spring bolt shifting rod is not needed, the manual clamping efficiency can be optimized through the gear set, the sliding knob and the like adopted by the clamping device, and the reset device can be rapidly reset when clamping is loosened.

This utility model relates to the field of tractor braking technology, and discloses a manual brake device for a tractor, including a parking handle and a parking cable, as well as a mounting base. A positioning plate is provided on the frame on one side of the mounting base, and a brake pin is provided on the positioning plate. A brake push plate and a parking rocker arm are respectively provided at both ends of the brake pin. A reset mechanism is provided on the brake pin and mounted on the parking rocker arm and the positioning plate. This utility model has a stable structure and a strong reset function. By mounting the brake pin on the positioning plate and connecting the brake push plate and the parking rocker arm at both ends of the brake pin, and simultaneously configuring a reset mechanism, this structural design allows the braking device to form a stable force transmission path. When the parking cable pulls the parking rocker arm, the brake pin can accurately transmit torque, driving the brake push plate to achieve effective braking. At the same time, the reset mechanism ensures that it can quickly reset after braking operation, avoiding component jamming and improving the reliability and operational efficiency of the braking device.

The invention relates to the technical field of porcelain insulators, and discloses an anti-aging cylindrical porcelain insulator, which comprises a body and a plurality of umbrella skirts, the body comprises a connecting part and a supporting part, the connecting part is arranged on the supporting part, the plurality of umbrella skirts are arranged on the supporting part, the connecting part has flexibility, and the connecting part and the supporting part have conductivity; when one side of the umbrella skirt is frozen, the connecting part is bent; when one side of the umbrella skirt is frozen to a certain degree, the connecting part drives the supporting part to reset, when one side of the umbrella skirt is frozen, the weight of ice is converted into elastic strain energy of the connecting part until the ice has a certain thickness, the elastic potential energy accumulated by the connecting part is large, the elastic potential energy of the connecting part overcomes the adhesive force of the ice, and the ice can be prevented from falling off. The supporting part can be quickly reset, the ice shakes in the resetting process, the ice can be separated from the umbrella skirt and fall down, and separation of the ice in the umbrella skirt is achieved; and meanwhile, the aging rate of the umbrella skirt of the insulator is reduced, and the service life of the insulator is prolonged.

This utility model discloses a women's shoe with an anti-cracking upper, relating to the field of women's shoes. It solves the problem that existing shoe uppers lack internal pressure-resistant components, resulting in limited overall pressure resistance and easy cracking. The solution adopted is as follows: it includes an upper, a vamp, and a heel. The main body of the upper consists of an upper substrate layer and a shoe shield shell. A polytetrafluoroethylene (PTFE) film layer is adhered to the top of the upper substrate layer, and a printed surface layer is also adhered to the top of the PTFE film layer. A flax fiber layer is adhered to the bottom of the shoe shield shell. This women's shoe with an anti-cracking upper, through the arrangement of various components in the upper, utilizes the shoe shield shell as the main component, and the upper glass fiber mesh layer and printed surface layer on both sides are attached to the various layers of materials, preventing cracking from the outside. The shoe shield shell and the upper substrate layer material on it increase its overall elasticity and allow it to quickly return to its original position after deformation.

The invention discloses a variable-rigidity soft prosthetic hand and a using method thereof, and the variable-rigidity soft prosthetic hand comprises a soft simulated hand mechanical body which comprises a rigid-flexible coupling bionic finger group module and a palm module; the rigid-flexible coupling bionic finger set module comprises at least two fingers, and each finger is sequentially provided with a movement cavity and a rigid cavity in the direction from the hand back to the palm. The motion chamber is provided with a corrugated structure and is used for driving fingers to bend; the fiber reinforced layer covers the outer wall surface of the stiffness chamber and is used for adjusting the stiffness of the finger and generating a first direction thrust; one end of the palm module is connected with the rigid-flexible coupling bionic finger group module, and the other end is connected with a limb of a patient; and the pneumatic driving control system is packaged in an inner cavity of the palm module and is connected with an air path in the rigid-flexible coupling bionic finger group module. According to the scheme, the problems that an existing artificial limb is heavy, low in load capacity, high in reset delay and inconvenient to maintain are solved.

The utility model belongs to graphite gasket production technical field discloses a graphite plate cutting equipment for graphite gasket production, including pedestal, the central position of pedestal upper surface is equipped with working cavity, the left and right sides of pedestal upper surface front end are fixedly connected with the limiting rod, the outside of two limiting rods is connected with the lifting platform of sliding, the utility model discloses the cutting knife on the lifting platform bottom end connecting seat can carry out the cutting work of graphite plate through the lifting mechanism drive lifting platform downward movement, when the lifting platform lower surface and the pedestal upper surface contact, the first magnetic block on the lifting platform can be quickly adsorbed with the second magnetic block, after cutting, lifting is carried out through the lifting platform, lifting platform can drive the clamping seat to cancel the spacing of graphite plate through the pull rope, and simultaneously the first magnetic block of lifting platform bottom end can drive the bracket to be lifted through the second magnetic block, and make the bracket cut after graphite plate fast lift and discharge.

The application discloses a vehicle-mounted radar mounting structure with a calibration function, which comprises a radar shell, a radar core plate clamped and mounted in the radar shell, a first connecting plug fixedly mounted on the front side of the radar shell and electrically connected with the radar core plate, a cover plate clamped on the upper portion of the radar shell, an adjusting assembly mounted on the upper portion of the cover plate, and a heat dissipation module arranged on the lower portion of the radar core plate. The cover plate is used for sealing the radar shell, and the cover plate is limited by a top plate. A rotating disc rotating in the top plate can be used in cooperation with a motor box and a pressing roller. The radar shell is subjected to additional force through the rotation of the pressing roller, the radar shell is controlled to return to a stable position, the capture of external signals by the radar device is fixed, and the heat dissipation module arranged on the lower portion of the radar core plate can effectively perform heat dissipation treatment on the use of the radar core plate, so that the radar core plate can continuously work under a high-temperature state.

The invention relates to the technical field of building construction, and discloses building, dismantling and building lifting integrated construction equipment and method.The building, dismantling and building lifting integrated construction equipment comprises a wall body, a bearing frame and a formwork, an operation platform is fixed to one side of the bearing frame, a plurality of supporting rods and a plurality of sliding bases are fixed to the other side of the bearing frame, supporting steel columns are slidably arranged on one sides of the sliding bases, and the supporting steel columns are arranged on the wall body; a movable pulley is fixed to the inner top wall of the supporting steel column, a fixed pulley and a winch which are fixed to the upper side of the cross beam are arranged on the outer side of the supporting steel column, and a steel wire rope is fixed to the lower side of the movable pulley. The equipment is alternately supported through the supporting rod and the bearing hanging rod, and the supporting steel column and the working platform are driven to alternately and vertically move through cooperation of the winch, the steel wire rope, the movable pulley and the fixed pulley, so that the problems that existing equipment is specially designed to climb or descend and is complex in structure, poor in universality and inconvenient to use are solved. And various construction requirements in the current complex environment cannot be met.

The invention relates to an input anti-surge current impact rapid reset circuit, which comprises a charging switch circuit, an input sampling comparison circuit, an isolation anti-reverse circuit and a rapid discharging reset circuit, and is characterized in that the input sampling comparison circuit and the isolation anti-reverse circuit are respectively connected with the charging switch circuit; the isolation anti-reverse circuit electrically isolates a sampling point of the input sampling comparison circuit from a sampling point of the rapid discharge reset circuit, sets a working point of the rapid discharge reset circuit through element parameters of the input sampling circuit, and when the input sampling comparison circuit is powered off at the input moment and the comparison voltage is lower than the internal reference voltage of the rapid discharge reset circuit, the rapid discharge reset circuit is powered off. And the rapid discharge reset circuit starts to work, a power MOS tube of the charging switch circuit is cut off, and rapid reset discharge is realized. According to the invention, the reliability and anti-surge capability of the switching power supply under the transient working condition are obviously improved.