77results about How to "Prevent falling phenomenon" patented technology

The invention provides a vertical annealing furnace for a coated superconducting substrate, belonging to the technical field of annealing furnaces. The vertical annealing furnace is characterized in that a substrate extending wheel is arranged in a substrate extending box; the substrate extending box is provided with a gas inlet and is connected and communicated with one end of an annealing furnace body by an inlet sealing device; the other end of the furnace body is connected and communicated with a substrate retracting box by an outlet sealing device; a substrate retracting wheel, a paper rolling wheel, a guide wheel and a variable frequency motor are placed in the substrate retracting box; a gas outlet is arranged on the substrate retracting box; heat insulating materials for protecting the annealing furnace body and heating control elements are arranged on the periphery of the annealing furnace body; temperature control elements are connected with the heating control elements to control the heating temperatures of the heating control elements; a condition machine is connected with the temperature control elements and the heating control elements; and the annealing furnace body is connected with a mechanical pump. The vertical annealing furnace meets the use requirement of coated superconducting substrate annealing, is easy to operate and ensures the quality of the coated superconducting substrate to be more stable.

The invention discloses a fall preventing device for aerial operation. The device comprises a base plate; a first hydraulic cylinder is arranged at the bottom of the base plate; an output end of the first hydraulic cylinder is fixedly connected with a sliding plate; first slide blocks are fixedly connected to two sides of the sliding plate, and are slidingly connected to first chutes formed in thebase plate; a support rod is fixedly connected to the bottom of the sliding plate; the bottom of the support rod is fixedly connected with a support base; damping springs are arranged at four cornersof the bottom of the base plate; and universal wheels are fixedly mounted at the bottoms of the damping springs. The fall preventing device for aerial operation is provided with a lifting base; and workers sit in the lifting base, and are protected through matching and clamping between son buckles and mother buckles, so that the operation safety of the workers on a working platform is improved, the fall phenomenon of the workers during working is prevented, and the safety is improved.

The invention relates to a screw driver, and belongs to the technical field of hardware. The screw driver comprises a screw driver body with a handle part and a screw driver body part, a sleeve assembly with a screw driver bit sleeve and a sliding sleeve is further included, one end of the screw driver bit sleeve is a screw in-out end, the other end of the screw driver bit sleeve is a sleeve end provided with a first clamping part protruding outwards from the surface, the screw in-out end of the screw driver bit sleeve is a conic shell provided with a screw in-out opening in the side face, oneend of the sliding sleeve and the lower end of the handle part are fixed, the other end of the sliding sleeve is provided with a second clamping part protruding inwards, and a first compressed springis arranged in the sliding sleeve; and the sleeve end of the screw driver bit sleeve is connected into the sliding sleeve in a sleeved manner, and the first clamping part is located on the inner sideof the second clamping part of the sliding sleeve. The screw driver is reasonable in structural design, and the problem about time and force waste generated by installing and demounting due to frequent falling of screw spikes when a worker installs and demounts the screw spikes can be effectively solved. By means of the screw driver, operation time can be saved, the working efficiency is improved, and the very good using performance is achieved.

The invention is applicable to the technical field of track cleaning, and provides a monorail crane track decontamination and dehumidification device. The monorail crane track decontamination and dehumidification device comprises a supporting frame, a rotating device and a cleaning device, the supporting frame comprises a connecting base and a fixing frame, one end of the connecting base is fixedly connected with a crane, and the other end of the connecting base is movably connected with the fixing frame; the rotating device comprises a base, a rotating shaft and a rotating wheel, guide blocksare arranged on the two sides of the rotating wheel, and guide rods are fixedly installed on the base and located on the two sides of the rotating wheel correspondingly; the cleaning device comprisesa shell, a first sweeping piece, a second sweeping piece and a material box, the shell is connected with the rotating device through a connecting shaft, the connecting shaft is sleeved with the rotating shaft, a gear structure matched with the rotating wheel is arranged on the inner wall of the connecting shaft, and a gap is formed between the first sweeping piece and the second sweeping piece. Therefore, paste dust in the track can be effectively cleaned, and the moving efficiency and the moving quality of the crane are improved.

The invention relates to a security protection device for a vehicle steering column, which is used for preventing a steering wheel from falling down after the finish of the entire-vehicle collision; the invention can guide the crumpling of the steering column in the process of the entire-vehicle collision and can ensure the position of a safety airbag at the moment of detonation; the invention adopts the technical proposal that bending protection plates are arranged at two sides of the steering column and below the steering column; and the limit direction of the protection plates is same to that of the steering column. At the proper place of a steering column bracket which is used for connecting the steering column and the vehicle body, the invention arranges crumpling guide and anti-falling devices to prevent the steering wheel from falling down after the finish of the entire-vehicle collision, to guide the crumpling of the steering column in the process of the entire-vehicle collision, thereby ensuring the position of the safety airbag at the moment of detonation, and guaranteeing that the contact position of the human body and the airbag is closer to the designed theoretical position, and reducing the injury of the drivers caused by collision to the minimum extent.

The invention relates to an I beam, and discloses a simply supported I beam adopting a corrugated steel web steel structure. A beam body includes a corrugated steel web (2), a top flange steel plate (1), a bottom flange steel plate (3), and a gland end plate (4), wherein the corrugated steel web (2) is arranged between the top flange steel plate (1) and the bottom flange steel plate (3); the top flange steel plate (1) is connected with the corrugated steel web (2) through welding; the corrugated steel web (2) is connected with the bottom flange steel plate (3) through welding. The arranged gland end plate improves the rigidity of a cross section and strength of a connecting end of the beam body, and wave forms of the web include three parts, namely the straight line section, the transitional section and the arc section, the transitional section can be used for effectively connecting the straight line section with the arc section, thereby solving the problem of stress concentration during the direct connection of the straight line section and the arc section; besides, the simply supported beams adopt a connected and discontinuous structure, thereby effectively preventing the beam body from falling off under the actions of overloaded vehicles and big loads or under the earthquake action.

The invention discloses a nursing bed special for the digestive department. The nursing bed includes a frame body, a first storage frame is fixedly arranged below the left front side of the frame body, a sliding track is fixedly arranged on the middle part in front of the frame body, a placement frame is fixedly arranged on branch legs on the left back side of the frame body, the first storage frame is divided into a left upper grid, a right upper grid and a lower grid through gratings, a storage hopper is arranged inside the left upper grid, a first waste hopper is placed at the bottom of the right upper grid, multiple electromagnets are arranged on the back side of the right upper grid, a button switch is arranged on the right side of the front side of the first waste hopper, a limiting device is arranged on the upper part of the inner surface of the bottom of the front side of the right upper grid, a second hopper is arranged on the sliding track, a bed mattress is arranged on the upper part of the frame body, an infusion support is arranged inside the placement frame through bolts, a recording frame is arranged on the infusion support through a U clamp, multiple infusion tube fixing clamps are arranged on the infusion frame from top to bottom, and multiple walking wheels are fixedly arranged at the bottom of the frame body. The nursing bed special for the digestive department has the advantages of being convenient to use and environmentally friendly.

The invention provides a nursery stock planting conveyor, and relates to the technical field of agricultural planting. The nursery stock planting conveyor comprises a seedling conveying device, and aseedling placing table, the seedling placing table is sleeved with the seedling conveying device, the seedling conveying device comprises a seedling placing hole, and a conveying belt capable of circularly rotating so as to enable a seedling placed in the seedling placing hole to be conveyed to the target position, the conveying belt comprises a tightness degree part capable of extending/compressing, and a fixing part connected with the tightness degree part, the seedling placing hole is formed in the fixing part, the seedling placing hole is fixedly connected with a fixing element used for holding seedlings in a pocket manner, and a traction device used for stretching the conveying belt is arranged. The nursery stock planting conveyor can convey mass seedlings to the target position in acircular rotation manner, in the transport process, the seedlings can be fixed so as to avoid falling of soil on the seedlings due to vibration, the conveying speed is high, and labor force is saved.

The invention discloses an outdoor press and ball falling device with a parent-children interaction function. The outdoor press and ball falling device comprises a support standing column, a ball anda press component located on the support standing column and is characterized in that the support standing column comprises a vertical part and bent part, the press component is mounted on the vertical part, the ball is connected with the press component through a rope, the ball is suspended at the outer end of the bent part, and the ball can move vertically along with the ascending and descendingof the press component. The outdoor press and ball falling device has the advantages that by the press component, muscle strain rehabilitation can be achieved, and upper-limb muscle exercising and upper-body muscle group stretching are achieved through vertical press; due to the fact that the ball is connected with the press component, press and ball falling can be performed synchronously, the ball at the children position can move vertically along with the press movement of an adult, the ball is connected with the press component through the rope, a child can freely tap and shake the ball, and both babysitting and limb exercising can be achieved.

The invention discloses a foldable cantilever type dustproof support suitable for placement of an automobile detection displayer. The foldable cantilever type dustproof support comprises a hanging rod, a supporting rod, a limiting table, a folding rod, a connecting rod, an installing plate and a dustproof cover, wherein a hanging hole is formed in the upper end of the hanging rod, a pin hole is formed in the lower end, a pin is arranged in the pin hole, and the supporting rod is fixed to the lower end of the hanging rod through the pin. A through hole in the vertical direction is formed in one end of the supporting rod, and a vertically penetrating U-shaped groove is formed in the other end. A vertically penetrating U-shaped groove is formed in the end, away from the hanging rod, of the supporting rod, holes are formed in two ends of the folding rod, and the folding rod is connected with the supporting rod and the connecting rod in a pin and pin hole matched mode. The end, away from the connecting rod, of the connecting rod is connected with the installing plate, the dustproof cover is fixed to the installing plate, the problem that the displayer shakes and swings during traditional rope hanging is solved, the problem caused by the fact that a tester obscurely views the displayer and the safety problem brought by shaking are avoided, and the foldable cantilever type dustproof support is convenient to install and operate.

The application relates to a dyeing proofer and belongs to the technical field of sample dyeing devices. The dyeing proofer comprises a dyeing cup, a circuit coupler and a controller. The dyeing cup is provided with a temperature measuring element and a heating element; the heating element and the temperature measuring element are connected with the controller through the circuit coupler; the controller sets a temperature; the set temperature is transmitted to the temperature measuring element through the circuit coupler; the temperature measuring element compares the obtained set value with dye temperature and form a signal; the heating element thermally treats the dye to be treated in the dyeing cup according to the signal sent by the temperature measuring element. Being applicable to the dyeing proofer to sample proofing, the dyeing proofer has the advantages of high efficiency, good accuracy of temperature control, temperature control independent for multiple dye cups and the like.

The invention discloses an electronic self-control turning-over nursing bed. The nursing bed comprises a bed frame, a first bed board, two second bed boards, a third bed board and a fourth bed board. The first bed board, the two second bed boards, the third bed board and the fourth bed board are located on the bed frame, the first bed board and the fourth bed board are arranged on the bed head and the bed tail respectively, and the two second bed boards and the third bed board are arranged between the first bed board and the fourth bed board in parallel. The two second bed boards are fixedly arranged, and the third bed board is arranged between the two second bed boards and can be bidirectionally overturned relative to the two second bed boards through a side turning mechanism. The middle portion of the nursing bed is composed of the two fixed second bed boards and the third bed board connected through the side turning mechanism, the third bed board can be turned over bidirectionally relative to the two second bed boards through the side turning mechanism, and when the third bed board is turned over, a patient directly falls onto the horizontally-arranged second bed boards from the third bed board, and the patient can be buffered through the second bed boards, so that the patient is prevented from falling off from the nursing bed when the whole nursing bed is turned over.

The invention belongs to the technical field of construction, and provides an attached scaffold for construction. The attached scaffold comprises a base, a hoisting device and a threaded column; a lifting device is arranged in the base and comprises a driving wheel, a driven wheel and a lifting wheel; the driving wheel is fixedly connected with a synchronizing wheel, and the lifting wheel is connected with a threaded column in a sleeving mode; the hoisting device comprises a winding device, a hoisting rope and a fixing device, and the fixing device comprises a hoisting rod, a driven rod, a limiting ring and jacking rods; a moving space is formed in the driven rod, and the limiting ring moves in the moving space; the jacking rods are connected with the hoisting rod through elastic pieces, the ends of the jacking rods are each arranged in an arc shape, and the arc-shaped ends of the jacking rods move in the moving space; and a feeding space is formed in the base, and an automatic flipping device is arranged on the feeding space and comprises a cover plate, a rotating plate, a fixing seat and a rotating shaft. Thus, quick assembling, automatic lifting and material transporting can beachieved, the working efficiency is improved, and workers can be effectively protected.