41results about How to "Avoid falling" patented technology

A low-stress self-anchoring method for steel guy cables includes such steps as streching the first guy cable to designed stress value, anchoring it, repeating said steps for all guy cables, restretching the first one to make the values displayed by digitial strainer consistant, reanchoring, reversely installing anchor plate and anchorage, and anchoring them. Its advantages are high reliability, high fatigue strength and low cost.

A balance weight device of a boring-milling machine comprises a hollow stand column, a balance weight block arranged in the stand column, a supporting device located above the stand column, and a connecting rope connected with the balance weight block and a drive device through the supporting device. The balance weight device is characterized in that vertical guide rails are oppositely arranged on the inner walls of the stand column respectively, grooves corresponding to the guide rails are formed in the two sides of the balance weight block, the grooves are provided with buckle devices capable of fixing the balance weight block to the guide rails, and the balance weight block is provided with a control structure used for controlling the buckle devices.

The invention discloses a friction-resistant plastic and a preparation method thereof. The friction-resistant plastic comprises the following components in parts by mass: 90-92 parts of polyvinyl chloride resin, 6-8 parts of silicon carbide, 1-3 parts of talcum powder, 5-7 parts of graphite powder, 50-55 parts of bisphenol A epoxy resin, 5-10 parts of sodium tripolyphosphate, 3-5 parts of mineral oil, 7-9 parts of polyvinylidene chloride, 7-9 parts of sodium tripolyphosphate, 6-8 parts of hydroxypropyl methacrylate, 1-3 parts of titanium dioxide, 5-7 parts of iron powder, 30-40 parts of deionized water, 3-5 parts of a silane coupling agent KH560 and 2-4 parts of auxiliaries.

The invention discloses a single-line and double-line interchange assembly line, and belongs to the technical field of light industrial product assembly line production equipment. The single-line and double-line interchange assembly line comprises a machine frame, a first turnover basket beat type conveying mechanism, a second turnover basket beat type conveying mechanism, a first turnover basket operation driving mechanism and a second turnover basket operation driving mechanism; the first turnover basket beat type conveying mechanism and the second turnover basket beat type conveying mechanism correspond to each other up and down and are arranged on the machine frame in the state that the first turnover basket beat type conveying mechanism and the second turnover basket beat type conveying mechanism are respectively kept horizontal; the first turnover basket operation driving mechanism is arranged at the left end of the machine frame, the left end of the first turnover basket beat type conveying mechanism is connected with the first turnover basket operation driving mechanism, and the left end of the second turnover basket beat type conveying mechanism is arranged on the first turnover basket operation driving mechanism in a sleeving mode; and the second turnover basket operation driving mechanism is arranged at the right end of the machine frame, the right end of the second turnover basket beat type conveying mechanism is connected with the second turnover basket operation driving mechanism, and the second turnover basket operation driving mechanism is sleeved with the right end of the first turnover basket beat type conveying mechanism. Electric energy is saved; workpieces can be conveniently taken and placed, and operation is labor-saving; the workpieces are prevented from falling off; and the structure is simplified, and daily maintenance workload is reduced.

The invention provides electronic equipment. The electronic equipment comprises a shell component, a display component, a protective shell, a driving component, and an electric-control component, wherein the display component is embedded on the shell component; the protective shell is movably arranged on the shell component between a protection location and a holding location, the protective shellmoves to extend beyond an appearance surface at the protection location, and the protective shell is aligned with the appearance surface of the display component or lower than the appearance surfaceof the display component at the holding location; the driving component comprises a lever, a permanent magnet and an electromagnet; the lever can be rotatably arranged in the shell component and the first end of the lever is matched with the protective shell; the permanent magnet is arranged on the second end of the lever; the electromagnet is arranged at one side of the permanent magnet; the electric-control component is arranged in the shell component and the electric-control component comprises a sensing part and a controller. The electronic equipment disclosed by the invention has the advantages of being simple in structure and good in drop resistance.

The present invention belongs to the insulator technology field, and relates to a fracture-preventing insulator. The insulator comprises an upper steel plate, a lower steel plate, an insulator body, an umbrella skirt, insulation fiber ropes, a short fiber and a super hydrophobic layer. The insulator body is internally provided with a plurality of insulation fiber ropes, the upper steel plate and the lower steel plate, the upper steel plate is provided with an upper nut, the upper nut and the upper steel plate are integrated, the lower steel plate is provided with a lower nut, the lower nut and the lower steel plate are integrated, two ends of each insulation fiber rope are respectively bound at the upper steel plate and the lower steel plate, the insulator body is internally provided with at least three embedded strain gauges, and the height of each embedded strain gauge is the same. The fracture-preventing insulator monitors stresses of the insulator at different positions to determine whether the insulator generates cracks or not, and if the insulator generates cracks, the insulator is replaced in time.

The invention discloses a high-temperature-resistant plastic and a preparation method thereof. The high-temperature-resistant plastic comprises the following components in parts by weight: 85-88 parts of PVDF, 3-5 parts of silicon carbide, 1-3 parts of silica micropowder, 1-3 parts of graphite powder, 40-42 parts of bisphenol A epoxy resin, 10-12 part of sodium tripolyphosphate, 3-5 parts of mineral oil, 7-9 parts of polybutadiene rubber, 7-9 parts of acrylic resin, 2-4 parts of glass fibers, 1-3 parts of ceramic powder, 60-80 parts of a phosphoric acid solution, 50-60 parts of deionized water, 1-2 parts of a silane coupling agent KH560 and 1-3 parts of auxiliaries.

The invention discloses a novel swing, which includes a base, a column, a beam, a bearing, a swing rod, a seat plate, a mounting rod, a counterweight, a retaining frame and a spring. The upper part of the base is fixed with two vertically arranged columns. , a horizontally arranged crossbeam is fixed between the columns, and two bearings are fixedly sleeved on the crossbeam, and a swing rod is fixedly connected to the outer ring of the bearing, and the lower ends of the two swing rods A seat plate is fixed, and the outer ring of the bearing is fixedly connected with a mounting rod forming a straight line with the swing rod. A counterweight is fixed between the ends of the two mounting rods. There is a stop frame that can block the swing rod, and a spring is connected between the free end of the stop frame and the side of the column. Compared with the prior art, it can improve the labor saving of playing on the swing and enhance the safety of the swing The utility model has the advantages of high performance, enriches the functions of the swing, has a simple structure, is convenient to operate, and is convenient for popularization and application.

The invention discloses an ice and snow sports skill action and psychological quality training device, and relates to an ice-snow exercise training device. A limiting clamping plate is arranged on theupper surface of any pedal in the preparation area; the limiting clamping plate is composed of a rotating plate and a fixing bottom plate. A rotating plate rotationally matched with the fixing bottomplate is embedded in the upper surface of the fixing bottom plate, an ice skate blade clamping groove is formed in the upper surface of the rotating plate, a deep pit corresponding to the take-off area is formed in the ground at the front end of the strip-shaped mounting groove, and a sponge pool composed of a plurality of sponge blocks is arranged in the deep pit. According to the invention, anathlete can carry out take-off swivel training in a simulated ice surface sliding state on the land; moreover, the situations that the athlete falls to the ground, falls down, is injured and collideswith others in the training process are completely avoided, the psychological burden of the athlete is greatly relieved, the athlete can carry out take-off and swivel training in a whole body and mindmode, and the training efficiency of the athlete is effectively improved.

The invention relates to the technical field of creeping formworks, in particular to a hydraulic self-creeping formwork device. The device comprises a self-creeping formwork mechanism, a bottom protection mechanism is fixedly mounted in the self-creeping formwork mechanism, and a plurality of quick-mounting storage mechanisms are clamped to one side of the self-creeping formwork mechanism; the bottom protection mechanism comprises a bottom protection plate, side semicircular clamping covers are fixedly installed on the two sides of the bottom protection plate through bolts, an arch-shaped clamping frame is fixedly installed on one side of the bottom protection plate through bolts, and a plurality of longitudinal movable grooves are formed in the top of the bottom protection plate; and a plurality of transverse supporting strips are fixedly installed at the top of the bottom protection plate through bolts, and dust removal type air hole pipes are fixedly installed among the transverse supporting strips through wire clamps. According to the device, the bottom protection mechanism is arranged, a suspended supporting mode is used, a dust removal type draught fan sucks away dust at thetop of the bottom protection plate through the dust removal type air hole pipes, and the convenience of high-altitude cleaning of the self-creeping formwork mechanism and the safety of building construction are relatively improved.

The invention provides an automatic cleaning device for internal components of a combing machine. A linear drive mechanism is arranged at guide grooves in a rack, a support frame in the cleaning mechanism is mounted on the linear drive mechanism, a slide block is movably mounted on the support frame, a cleaning brush is rotationally mounted on the slide block, the interior of the cleaning brush isof a cavity structure, and a through hole is formed in the position where the cleaning brush is in contact with the slide block; one end of a telescopic hose is in seal connection with a bag dust collector, and the other end is mounted on an air inlet hole in the slide block in a sealed manner; two adjusting mechanisms are located on the linear drive mechanism respectively. Cotton wool on rollerscan be cleaned more effectively by rotation and reciprocating motion of the cleaning brush, the left and right are communicated by the telescopic hose, and the cotton wool can be directly adsorbed and discharged during cleaning of the cotton wool by the cleaning brush, and can be prevented from falling and wafting accordingly; a linear guide rail can move vertically and bilaterally on the guide groove by pulling a mounting disc, so that the rollers in different positions can be cleaned.

The invention discloses anti-corrosion plastic and a preparation method thereof. The anti-corrosion plastic is prepared from the following components in parts by weight: 80 to 90 parts of sodium carbonate, 5 to 7 parts of PMMA (Polymethyl Methacrylate), 2 to 4 parts of butyl acrylate, 1 to 3 parts of graphite slurry, 3 to 5 parts of graphite powder, 32 to 35 parts of bisphenol A epoxy resin, 10 to 12 parts of acetone, 3 to 5 parts of chlorinated paraffin, 12 to 15 parts of dioctyl phthalate, 7 to 9 parts of glass flakes, 2 to 4 parts of methyl triethoxysilane, 5 to 7 parts of ethylene glycol monobutyl ether, 1 to 3 parts of sodium hexametaphosphate, 50 to 60 parts of deionized water and 1 to 3 parts of assistant.

A wheelchair comprises a lower wheelchair frame and an upper wheelchair frame. A rotating disc is fixed to the top of the lower wheelchair frame, a rotating shaft of the rotating disc is installed on the upper wheelchair frame to drive the upper wheelchair frame to rotate around the rotating disc, a driving wheel and a driven wheel which are meshed with each other are arranged in the rotating disc, the rotating shaft of the rotating disc is driven to rotate through a stepping motor to make the upper wheelchair frame rotate around the rotating disc, and rotation of the upper wheelchair frame is adjusted to make the sitting direction of a user perpendicular to the walking direction of the wheelchair after the user is rotated. According to the wheelchair, by arranging the lower wheelchair frame and the upper wheelchair frame which are in a spilt type, separate rotation of the wheelchair frames can be achieved; as rotation of the upper wheelchair frame is adjusted to make the sitting direction of the user perpendicular to the walking direction of the wheelchair after the user is rotated, sliding of the wheelchair can be limited through friction force between wheelchair wheels and the ground when the user on the wheelchair gets on or off the wheelchair, convenience is brought to single-person operation of the user, and meanwhile the situation that when locking devices fail, the wheelchair slides, and consequently the user bruises can be avoided.

The invention discloses electronic equipment and a screen control method thereof. The electronic equipment comprises a housing, at least one screen, at least one screen protector and a driving component, wherein the driving component is used for driving the screen protector to change from a contraction state to an extension state by means of magnetic force, or the driving component is used for driving the screen protector to change from the extension state to the contract state by means of magnetic force; when the screen protector is in the contraction state, the screen protector is flush withor lower than the screen; and when the screen protector is in the extension state, the screen protector exceeds out of the screen. According to the electronic equipment disclosed by the invention, the screen protector can effectively protect the screen when in the extension state, so that the screen can be effectively protected to prevent the screen from falling, thus improving the anti-fall performance of the electronic equipment; moreover, the screen protector is controlled in a driving way through the magnetic force between an electromagnetic component and a permanent magnet. The electronic equipment is simple in structure, and runs reliably. The cost performance of the electronic equipment is improved.

The invention relates to the technical field of wooden toys, and discloses a child toy wooden horse safety protection device which comprises a body, a monitoring assembly is movably connected to the interior of the body, a moving plate is movably connected to the interior of the body, a rotating shaft is movably connected to the exterior of the moving plate, the outer surface of the rotating shaftis fixedly sleeved with a gear, and a connecting rod is fixedly connected to the exterior of the moving plate; through interaction among the rotating shaft, the gear, a teeth, a fixed plate, a movable plate, an air bag and a monitoring assembly, the wooden horse can be stably supported in time when the swinging amplitude of the wooden horse is too large, and the situation that the stability of the wooden horse is poor due to the fact that the gravity center of the wooden horse inclines forwards or moves backwards due to the too large swinging amplitude of the wooden horse is avoided; therefore, the safety of children can be protected to a certain extent, meanwhile, the situation that the children are injured due to falling is avoided, the safety performance of the toy wooden horse is greatly improved, and the toy wooden horse better meets the requirements of actual use.

The invention discloses a structure surface anti-condensation temperature adjusting system and a control method. The structure surface anti-condensation temperature adjusting system comprises a connecting channel for connecting the indoor space with the outdoor space, a plurality of adjusting spaces are sequentially arranged in the connecting channel in the extending direction, and a temperature adjusting assembly is arranged in each adjusting space; and each temperature adjusting assembly comprises an air conditioner unit arranged at the upper portion of the corresponding adjusting space and a heating unit arranged in a connecting channel main body structure, the heating units and the air conditioner units are both connected with a control unit, and the control unit is further connected with a monitoring device. Through the partition arrangement of the adjusting systems, a temperature gradient is formed in the spaces formed by all the units, and the purpose of comfortable transition is achieved; and by heating the main body structure at the cost of sacrificing a small amount of heat, it is guaranteed that the structure surface is not condensed, particularly after the anti-condensation design is carried out on the ground position, the phenomenon that passengers fall and are hurt due to wetness and slippery can be avoided, and meanwhile equipment, pipelines and supports and hangers are prevented from being rusted.

The invention relates to a pressure test and sorting device for a rectifier bridge, comprising an inclined surface, a dispensing mechanism, a testing mechanism, a conveying mechanism, and a collectingmechanism. A control system controls a drive system to drive the dispensing mechanism to dispense, the testing mechanism to test, the conveying mechanism to convey, and the collecting mechanism to collect. The pressure test and sorting device for rectifier bridge uses the inclined surface to automatically slide the rectifier bridge, and completes the steps of dividing, testing, conveying, and collecting sequentially by controlling the drive system through the control system, which effectively replaces manual operation and avoids safety accidents. The test time and voltage is easy to control so as to save labor costs. The rectifier bridges are tested in batches to distinguish between qualified products and waste products. The qualified products and waste products are automatically classified through the transmission mechanism, which effectively improves work efficiency, avoids mistakes. The reliability is high, which is conducive to ensure the quality of qualified product.

The invention discloses a hydraulic type damping device comprising a damping shell. The top of the damping shell is provided with a supporting rod in a penetrated manner. The top of the supporting rodand the bottom of the damping shell are both fixedly connected with supporting plates. The surface of the damping shell is sleeved with a buffering spring. According to the hydraulic type damping device, through cooperative use of the damping shell, the supporting rod, the supporting plates, the buffering spring, lifting lugs, fixing rods, hollow blocks, buffering plates, sliding sleeves, first fixing blocks, connection rods, second fixing blocks, a locating plate, sleeves, sliding rods, first springs, second springs, baffles and a hot rubber block, the problem that when an exiting damper conducts damping, since a supporting plate and a damping shell are prone to colliding, the damage of the damper is accelerated is solved; the hydraulic type damping device for an automobile has the advantages of reducing collision, relieving damage to the damper and the like, the service time of the damper is prolonged, the practicability of the hydraulic type damping device is improved, and a user can convenient use the hydraulic type damping device.

The invention discloses a miniature unmanned aerial vehicle low-altitude hidden flight method. The method sequentially comprises the following steps of performing horizontal arc flying: taking a dangerous target as a circle center, the distance between the dangerous target and the unmanned aerial vehicle as a radius, and the three-point collinear position of the hidden background, the unmanned aerial vehicle and the dangerous target as the end point to serve as a horizontal arc-shaped track, wherein the unmanned aerial vehicle flies along the horizontal arc-shaped track or the corresponding chord; performing steering lifting flying: the unmanned aerial vehicle flies up to be higher than the dangerous target; and performing continuous hidden flying: the unmanned aerial vehicle flies linearly towards the direction of the dangerous target, flies to the rear of the dangerous target, and then continuously flies to be far away from the dangerous target. According to the method, the flight state is changed by finding the hidden background, the sight tracking of the dangerous target can be effectively avoided, so that the micro unmanned aerial vehicle can be protected in a long-distance task execution process.

The invention discloses a chair for students, and belongs to the field of chairs. The chair comprises a main body, a backrest structure, a fixing mechanism, a transmission mechanism, a rotating mechanism and telescopic wheel mechanisms. The backrest structure and the fixing mechanism are arranged, the backrest structure is pushed to move to drive the fixing mechanism to fix a backrest, and a hook is attached to the outer wall of one end of a desk, the chair and the desk are limited, so that when the chair is placed on the desk, the backrest is stored, the movement of the chair on the desk is limited, and the chair does not fall off under stress; under the condition that the chair needs to move, the movement of the chair is easier and more labor-saving through the telescopic wheel mechanisms, and the use of the chair is not affected; and through the transmission mechanism and the rotating mechanism, when the student leans against and the front legs suspend, a stop block rotates downwards for supporting the front legs and keeps balance, and therefore, the safety degree is increased, and accidents are reduced.

The invention discloses an outdoor observation elevator car which comprises an observation elevator car body, a second supporting plate and a third supporting rod. A first handrail is fixed to the inner side of the bottom of the observation elevator car body, a second handrail is installed on the first handrail, one end of a weighing rod is fixed to the outer wall of a weighing plate, the bottom of the weighing plate is provided with a hydraulic machine, an antiskid pad is installed on the inner side of the bottom of the observation elevator car body, the observation elevator car body is provided with a first groove, the outer wall of a fragrance box is mutually connected with one side of the first groove through a first spring, a first supporting rod is fixed to the edge side of the second supporting plate, one end of a third supporting rod is fixed to the edge end of the second supporting plate, and the other end of the third supporting rod is provided with a control rod. According to the outdoor observation elevator car, the heights of the handrails arranged in the outdoor observation elevator car can be adjusted, children can be effectively protected, and meanwhile comfortablesmell can be produced in the observation elevator car.

The present invention discloses a rehabilitation slope type climbing trainer with anterior limb coordination function for pediatric children. The rehabilitation slope type climbing training device comprises a base, a climbing belt and a roller shaft, the climbing belt is arranged at an opening in the upper end of the base, the climbing belt is installed on the roller shaft, the roller shaft is rotatably installed in the base, a guide rod is arranged above the base, and a circular block is vertically connected to the vertical shaft in a sliding manner. According to the rehabilitation slope type climbing training device for pediatric children with the anterior limb coordination function, circular blocks can rotate synchronously through climbing of children and rotation of climbing belts and roller shafts, medical staff can stimulate the enthusiasm of children for autonomous rehabilitation training in the mode that cartoon paper is stuffed into card grooves, meanwhile, an emergency stop structure is arranged, the climbing belt is simple in structure and convenient to use, danger caused when the rotating speed of the climbing belt is too high and physical exhaustion of children occurs is avoided, the structure of the climbing belt is redesigned, child skin scratching during emergency stop is effectively avoided, and meanwhile normal climbing rehabilitation training is not affected.

The invention discloses a tire pressure alarm system of a crane. The tire pressure alarm system of the crane comprises a detector I, a detector II, a detector III, a detector IV, an alarm device I andan alarm device II. The detector I, the detector II, the detector III and the detector IV are serially connected. The alarm device I is connected with the detector I and the detector III together. The alarm device II is connected with the detector II and the detector IV together. The alarm device I and the alarm device II are parallelly connected. Pressures of four tires of the crane can be monitored at any time, and a situation that the pressure of one tire is less than other three or other two pressures does not occur, and a situation that a carried heavy object is fallen is avoided from occurring in a working process.

The lightning arrester comprises a shell, an insulating cylinder is arranged in the shell, a plurality of resistor discs are stacked in the insulating cylinder, at least one end of the insulating cylinder is provided with springs matched with the resistor discs in a jacking mode, and the resistor discs are divided into at least two resistor disc sets which are sequentially arranged in the stacking direction. A supporting pad is arranged between any two adjacent resistor disc groups, the supporting pad is a conductor, the supporting pad is adaptively arranged in the insulating cylinder, and the supporting pad is supported on the cylinder wall of the insulating cylinder when the insulating cylinder is transversely arranged. Compared with the prior art, when the lightning arrester is horizontally placed and transported, the damage of the resistor disc caused by vibration generated during transportation can be avoided, and the damage of the lightning arrester caused by the damage of the resistor disc can be avoided.

The invention provides a calculus gripping device for urinary surgery, and effectively solves the problems that calculus often slides off and is left in the body of a patient due to insufficient friction force when the calculus is clamped by tweezers or operating forceps, and the calculus removing efficiency is reduced. The problems that a large amount of cleaning liquid needs to be injected into the bladder of a patient during flushing, the cleaning effect is poor, large-particle broken stones cannot be discharged along with the cleaning liquid, and the cleaning effect is not thorough enough are solved. A conveying screw rod is rotatably mounted in the inserting pipe, a conveying plate slidably mounted on the inserting pipe is mounted on the conveying screw rod in a threaded mode, right pushing rods are rotatably mounted at the front end and the rear end of the right side of the conveying plate correspondingly, and left pushing rods are rotatably mounted at the front end and the rear end of the front side of the conveying plate correspondingly; and through cooperation of a power rod, a driving rack, a driving gear and a clamping shell, large-particle stones can be treated more conveniently, and the situation that the large-particle stones are difficult to treat, and pain is brought to a patient is avoided.

The invention provides a process for laser welding of of joints of pipelines and plates in order to overcome the defects in the prior art. Welding impurities and splashes are prevented from falling into a welding head to damage the welding head. In order to solve the technical problem, the technical scheme adopted by the invention is as follows: according to the process for laser welding of the joints of the pipelines and the plates, the welding surfaces of the pipelines and the plates which need to be welded are machined into inclined surfaces, the welded splicing positions can be spliced together in a matched manner, and then the welding head is inclined for welding; and when a welding material is too thick, the lower ends of the welded splicing positions are machined into V-shaped grooves, and after the welding head is obliquely arranged, the axial direction of the welding head coincides with the faces where the splicing joints are located.

The invention relates to the technical field of articles of daily use, in particular to a portable heating cup. The portable heating cup comprises a cup body and a cup lid. The cup body is provided with a cup mouth. The cup mouth is connected with the cup lid through threads. The cup lid is provided with a locker. The cup body is provided with a portable rope. The cup is provided with a power generator and a graphene heating piece. The power generator comprises a plurality of piezoelectric ceramics, a lithium battery and a voltage stabilizing circuit. The piezoelectric ceramics are distributedon the surface of the cup body. A hollow cup bottom is arranged at the bottom of the cup body. The lithium battery and the voltage stabilizing circuit are arranged in the cup bottom. The piezoelectric ceramics are connected with the lithium battery through the voltage stabilizing circuit. The graphene heating piece is connected with the lithium battery. The portable heating cup has the advantagesthat voltages can be generated through pressing, so that liquid in the cup is heated; the cup is convenient to carry.