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 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 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 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.

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 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 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 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.