22results about How to "Fall prevention" patented technology

The utility model discloses an anti-skidding pulley with an automatic locking function, and relates to a hoisting pulley device, in particular to an improvement of an anti-skidding, locking and anti-falling pulley structure. In order to achieve the purpose, according to the technical scheme, the sliding wheel comprises a supporting plate, a sliding wheel body, an intermediate shaft, a swing rod and an anti-skid locking mechanism, the sliding wheel body is installed in the middle of the supporting plate in a hinged mode through the intermediate shaft, and the intermediate shaft is fixedly connected to the middle of the sliding wheel body in an inserted mode and fixedly connected with the sliding wheel body. One end of the swing rod is connected to the middle shaft in a sleeved mode, the other end of the swing rod is connected to the anti-skid locking mechanism in a sleeved mode, the two ends of the anti-skid locking mechanism are clamped in the sliding grooves of the supporting plate respectively, and a baffle is arranged on the lower left side of the supporting plate. A cylindrical hole is formed in the middle of the middle shaft, and a cylindrical sliding block capable of freely sliding in the cylindrical hole is arranged in the cylindrical hole. Passive self-locking is achieved in a mechanical mode, risks caused by human errors are reduced, the device is particularly suitable for the scene without an external power source, and when a heavy object tends to fall due to accidents, the device can be automatically locked through a built-in ratchet and pawl mechanism, and the heavy object is prevented from falling.

The utility model belongs to the technical field of storage equipment, disclose a kind of inventory system and shuttle vehicle for inventorying goods warehouse goods, the inventory system includes goods shelf track, tray, mounting bracket, information acquisition component and control module. Tray is used to carry goods and erect on goods shelf track. Mounting bracket is installed on the top of shuttle vehicle. Information acquisition component includes information carrier, information reading piece and information storage piece, information carrier is located at tray bottom surface, and information carrier can store the information of goods carried by tray. Information reading piece is located on mounting bracket and faces information carrier, and can read the information stored by information carrier. Information storage piece is located on shuttle vehicle and is connected with information reading piece. Information storage piece is provided with information buffer area, for buffering the information read by information reading piece. Control module is connected with information storage piece and shuttle vehicle. Use the inventory system to carry out the inventory of goods, can improve work efficiency, reduce the labor intensity of staff.

This invention discloses a turning assist device for the treatment of cardiovascular and cerebrovascular diseases, relating to the technical field of medical turning assist equipment. The device's main body contains a drive mechanism, and the top of the drive mechanism has two sets of turning mechanisms. Each turning mechanism includes a rotating rod, and a connecting shaft is located on the outer side of the rotating plate, rotatably connected to the bottom of a mattress. The top of the main body has two sets of air cushions, and the bottom of each air cushion has a pressurizing mechanism. The pressurizing mechanism includes a Roots pump housing, inside which are two sets of Roots pump rods. A shunt pipe is connected to the outer side of each Roots pump rod, and the shunt pipe is connected to the air cushion pipe. By simultaneously driving the turning mechanism and the pressurizing mechanism through the drive mechanism, when the rotating rod, in conjunction with buffer damping, raises and lowers the rotating plate, the rotating plate rotates around the connecting shaft to perform the turning operation. Simultaneously, the Roots pump rods in the pressurizing mechanism rotate inside the Roots pump housing, allowing air pressure to be transmitted through the shunt pipe to the air cushion to support the user's back.

This utility model discloses an electric lift with overshoot protection function, belonging to the technical field of electric lifts. This electric lift with overshoot protection function includes a rope pulley assembly, a load-bearing connection mechanism, a drive assembly, an electrical control system, a housing, a rope, and a battery assembly. The rope pulley assembly is externally equipped with a rope pulley cover. Inside the rope pulley cover are a rope pulley, an inlet guide pulley, an outlet guide pulley, and a rope separator. The upper end of the rope is suspended from a high point via a figure-eight knot. The rope enters the rope pulley between the inlet guide pulley and the rope pulley, and then exits the rope pulley between the rope pulley and the outlet guide pulley. A load-bearing connection mechanism is located below the rope pulley assembly. The rope, the rope pulley assembly, and the load-bearing connection mechanism are all on the same vertical line of gravity.

The invention discloses a constant-speed lowering device and method for a through large-diameter vertical hole casing for an underground coal mine. The device mainly comprises hoisting anchor cables circumferentially and uniformly distributed on a top plate of an orifice, an orifice anti-falling device mounted on a bottom plate, a guide head and a multi-strand steel wire rope traction system which are connected with a casing string, and a plurality of independently suspended chain blocks. According to the method, a plurality of chain blocks are manually and synchronously operated to achieve controllable constant-speed lowering of a casing pipe, alternate holding and loosening of an orifice safety slip are utilized, an original segmented traction point resetting step is combined, and operation is cyclically conducted till the target depth is reached. According to the scheme, the technical problems that an underground large-diameter deep hole casing pipe is prone to deflection and difficult to move at a constant speed in the lowering process, and the falling risk exists are effectively solved, and the device has the outstanding advantages of being high in safety, good in stability, controllable in operation, high in adaptability and the like.

The application discloses a mine self-balancing anti-falling material elevator, and relates to the technical field of mine elevators, which comprises an elevator frame and an elevator box. Two traction machines are fixedly connected to the upper end of the elevator frame. First traction wheels are arranged on the two traction machines. A plurality of traction ropes are wound around the two first traction wheels. The lower ends of the plurality of traction ropes are fixedly connected to the upper end of the elevator box. A balancing mechanism is arranged on the elevator frame. The balancing mechanism comprises a U-shaped plate fixedly connected to the inner top of the elevator frame. Second traction wheels are symmetrically arranged on the lower end of the U-shaped plate through supports. Two U-shaped rods are slidably connected to the side walls of the U-shaped plate. The application can dynamically monitor and self-adaptively adjust the stress state of the traction ropes on both sides of the elevator box, automatically compensate the tension difference of the traction ropes on both sides, quickly correct the inclined posture of the elevator box, and ensure the uniform distribution of the loads of the traction ropes corresponding to the two traction machines.

The utility model belongs to the technical field of turnover device, especially for a kind of adjustable industrial equipment of turning angle, including industrial turnover assembly, the outside of industrial turnover assembly is provided with safety anti-falling auxiliary assembly, alarm assembly is provided in safety anti-falling auxiliary assembly, and the outside of industrial turnover assembly is provided with intelligent control assembly, the mechanical locking mechanism lacking quick response when the hydraulic assembly of existing equipment fails, cannot cope with sudden failure accident, once hydraulic structure malfunctions, it will cause major safety accidents, therefore, need a kind of new type of adjustable industrial equipment of turning angle to improve the above device, it has the advantage that the linkage design of main hydraulic rod and first L type resistance rod is realized by industrial turnover assembly, the flexible turnover of V-shaped turning plate is realized, safety anti-falling auxiliary assembly is driven U-shaped emergency anti-falling frame by secondary hydraulic rod, and mechanical interlocking structure is formed with wear-resistant roof, and the safety is effectively improved.

This application relates to the technical field of security doors, and discloses a one-way security door, comprising: a door body, rotatably mounted on a building; a baffle, fixedly mounted on the building, wherein the door body is in contact with the baffle when closed; a first torsion spring for driving the door body to always have a tendency to rotate towards the baffle; a first sensor for detecting whether the door body and the baffle are in contact; and a first alarm, electrically connected to the sensor, wherein when the door body leaves the baffle for a predetermined time, the first sensor triggers the first alarm. This application enables the security door to remain in a normally closed state, improving the protective effect of the security door.

This utility model relates to the field of building construction technology, specifically disclosing a reusable safety protection platform for the atrium of a connecting corridor. It includes an expandable protection platform and a suspended support frame installed under the expandable protection platform. The suspended support frame is equipped with hangers that match the sidewall of the atrium, and a fine-adjustment mechanism and anti-sway components are also installed on the side of the suspended support frame adjacent to the atrium sidewall. After construction of different parts of the atrium is completed, the platform components can be quickly disassembled and transported to other construction locations for reassembly and reuse. This reusability significantly reduces construction costs, minimizes material waste, improves construction efficiency, and shortens the construction cycle, meeting the requirements of modern building construction for high efficiency, energy saving, and environmental protection. It solves the problem of existing technologies where the perimeter of the atrium lacks a solid protective structure during the construction phase, posing significant safety hazards.

The utility model discloses a kind of remote helium detection devices, including frame, helium remote detection module is equipped on frame, frame is connected by first universal connecting piece and is connected to be made of first frame body and second frame body, driven magnetic wheel is connected on first frame body, driven magnetic wheel is connected on second frame body, adjusting assembly is equipped between the opposite end of first frame body and second frame body, adjusting assembly is used to drive first frame body and second frame body relative rotation to realize steering adjustment, the utility model does not need to detect personnel to climb operation, avoid falling accident caused by equipment aging, operation error, improve operation safety, using remote detection mode, frame is connected first frame body and second frame body by first universal connecting piece, cooperate adjusting assembly to realize steering adjustment, can better adapt to the curved surface change of tank body arc outer wall.

The present application relates to the technical field of hoisting device, and discloses a kind of anti-falling ore shaft skip hoisting device, including skip body, measuring hopper and chute connected with measuring hopper, pivot is installed on the outside of skip, pivot is rotatably sleeved with rotary drum, anti-falling frame is installed on the outside of rotary drum, extension plate is slidably arranged on the side of anti-falling frame, control assembly is arranged between extension plate and pivot, and control assembly is used to control the extension and retraction of extension plate, pivot is rotatably arranged on the side of skip body, and anti-falling net is connected between connecting frame and skip body.The cooperation of anti-falling frame and extension plate avoids the situation that ore falls in the process of falling from chute to skip body, and the cooperation of connecting frame and anti-falling net avoids the situation that ore in skip body falls in the process of being lifted, so that ore falling is more effectively prevented when ore falls and is transported.

The utility model provides a restraint bolster suitable for ERCP operation, which comprises a main bolster bag and two auxiliary bolster bags, the two auxiliary bolster bags are arranged on two opposite sides of the main bolster bag, the two auxiliary bolster bags and the main bolster bag can be folded to be overlapped, one side of the main bolster bag is provided with a fixing band for binding a bed and a restraint band for restraining a patient, and the other side of the main bolster bag is provided with a fixing band for binding the bed and a restraint band for restraining the patient. The two sides of the main pillow bag are respectively provided with an upper fixing strap and a lower fixing strap, and the two sides of the main pillow bag are respectively provided with an upper restraint strap and a lower restraint strap. And a patient can be fixed.

The utility model belongs to the technical field of railway operation tools, and discloses an anti-falling centipede ladder which comprises a centipede ladder body and a hook fixedly arranged on the centipede ladder body, a hanging ring is fixedly arranged on the centipede ladder body, a hanging part is arranged on the hook, and a secondary protection rope is connected between the hanging ring and the hanging part. A safety buckle assembly used for sealing an opening of the hook is hinged to the hook. The device is light in weight, high in strength, convenient to carry, high in safety performance and suitable for maintenance and repair operation of electrified railways.

The utility model innovatively provides a bed baffle commodity shelf which comprises a fixing frame, a cup holder used for containing a water cup is arranged on the fixing frame, a commodity basket is further arranged on the fixing frame and arranged on the fixing frame in a folded mode, a rotating shaft used for containing roll paper is arranged on the side wall of the cup holder, and the roll paper can be placed on the rotating shaft by rotating the rotating shaft. The rotating shaft and the cup holder are arranged, and the cup holder and the storage basket are located on the same straight line.

This utility model relates to the field of water tank technology and discloses a water tank with a negative pressure deodorization mechanism, including a water tank body with a protective mechanism installed on the surface of the water tank body. This water tank with a negative pressure deodorization mechanism, through the setting of a purification mechanism and a negative pressure gauge, firstly, the negative pressure gauge detects the air pressure inside the water tank body in real time during use. If the air pressure exceeds a preset value, the external control system controls the vacuum pump to start. The vacuum pump transports the odorous gas inside the water tank body to a filter box on one side for filtration through a pipeline. The two activated carbon layers in the filter box are installed by plugging in, and with the help of a rotating shaft, a limiting plate, and a positioning block, the activated carbon layers can be easily installed and removed, thereby achieving the effect of automatic deodorization inside the water tank body, preventing the deterioration of the surrounding environment due to the accumulation of odorous gas, and protecting the health of staff and nearby residents.

The application discloses an automatic telescopic adjustable cantilever platform and a use method thereof, and relates to the technical field of bridge construction. The main supporting beam is connected with the climbing formwork frame body through bolts, the main supporting beam is slidably connected with the horizontal beam through the hand-cranked rack structure, the horizontal beam is provided with the reverse-pulling pull rod and the pulley assembly, one end of the reverse-pulling pull rod is fixedly connected with the horizontal beam, and the other end is connected with the main supporting beam, one end of the telescopic inclined rod is hingedly connected with the climbing formwork frame body, and the other end is hingedly connected with the horizontal beam through a support. The application solves the defects of difficult telescopic adjustment, complicated operation, insufficient safety protection and the like in the prior art, and realizes automatic, convenient and safe and reliable adjustment of the cantilever platform.

The utility model belongs to the field of carrier plate glass, relates to a kind of carrying anti-collision auxiliary device for carrier plate glass, including operation platform, and one end of the lower surface of operation platform is welded and installed with support block one, the outside surface of support block three is installed with electric screw rod, the working end of electric screw rod is threadedly installed with sliding block and is slidably connected on the lower surface of operation platform, the lower surface of sliding block is fixedly installed with electric push rod two, the working end of electric push rod two is installed with suction cup device, the side surface of support block one and support block two is provided with clamping unit, and the surface of suction cup device is provided with anti-falling unit. Six installation grooves on support block one and support block two realize stratified layout, electric push rod one in each installation groove drives clamping plate to work independently, can simultaneously stably clamp multiple carrier plate glasses, solve the problem that the single carrying capacity of traditional device is limited, and multiple layers are easy to collide.

The utility model discloses an adjustable protection bed rail, including bed body and guard bar, guard bar installs at the side of bed body, the guard bar includes the fixed block of installation in the side of bed body, sets up the adjusting structure on fixed block and is connected on the handrail of adjusting structure, adjusting structure can adjust the distance of handrail with fixed block to control the height of handrail, and fixed block rotatably with bed body is connected, still be equipped with the fixed assembly for locking fixed block when the protection state on bed body. The utility model discloses the adjusting structure of screw rod and scissor arm composition, can according to the specific situation of patient and medical operation requirement, will accurately adjust guard bar to the best height, and guard bar can tightly bed body side turn over and open, and the combination of easy to operate's clamping fixed assembly makes medical staff can open or close guard bar quickly, greatly facilitates patient and daily nursing.

This invention relates to the field of building construction technology and discloses a hoisting construction process with fall arrest locking for prefabricated buildings, comprising the following steps: S1, pre-hoisting preparation and intelligent verification; S2, component hooking and status self-check; S3, lifting and full-process active fall arrest monitoring; S4, judgment and execution of multi-level fall arrest locking mechanism; S5, precise positioning and intelligent assisted docking; S6, safe unlocking and installation confirmation; S7, data recording and process iteration. This invention, by introducing an intelligent decision and control unit, a multi-sensor fusion perception system, and a multi-level fall arrest locking mechanism, achieves intelligent monitoring and active safety protection throughout the entire hoisting process. It significantly improves hoisting safety by implementing a layered response from risk warning to emergency locking through three-level fall arrest locking, especially in the event of electrical control failure, where it can still quickly lock through purely mechanical means, effectively preventing fall accidents.

The invention discloses a tool pouch falling prevention structure of a tool magazine, which comprises a mounting frame, levers are rotatably arranged on two opposite sides of the mounting frame respectively, and a clamping jaw for clamping a tool pouch is arranged at one end of each lever; the variable-diameter cam is rotatably arranged at the end, away from the clamping jaw, of the lever through the reciprocating rotating mechanism, and the end, away from the clamping jaw, of the lever can be attached to the outer edge of the variable-diameter cam to move; the fixing frame is fixedly arranged below the mounting frame, and the roller shutter is horizontally arranged on the fixing frame in a curlable mode through a coil spring; a shaft support is coaxially arranged at the lower end of the reducing cam, hinge holes are symmetrically formed in the two opposite sides of the shaft support respectively, the first connecting rods are rotatably arranged at the two opposite ends of the fixing frame respectively, one end of each first connecting rod can reciprocate along the outer edge of the roller shutter, and the other end of each first connecting rod can reciprocate along the outer edge of the roller shutter. One end of the second connecting rod is hinged to the other end of the first connecting rod, and the other end is hinged to the hinge hole.

The utility model relates to a protective device of goods elevator, and upper layer entrance and lower layer entrance all install protective fence no.

This utility model relates to a support arm for a testing vehicle used for crawling detection of steel walls, belonging to the field of steel structure testing technology. The back of a side plate is hinged to the frame of the testing vehicle. Two ends of an elastic connecting component are respectively hinged to the side plate and the frame. One side of a wheel frame is hinged to the bottom of the side plate. Magnetic wheels are installed inside the wheel frame. A lever arm is installed on the wheel frame. A connecting plate is installed on the top of the lever arm. Two ends of an elastic connecting rod are respectively hinged to the side plate and the connecting plate. By installing support arms on both sides of the testing vehicle, when crawling on the irregular curved surface of irregularly shaped metal components, the supporting force on each elastic connecting component and elastic connecting rod changes with the change of the curved surface. The side plate can swing relative to the frame, and the wheel frame can swing relative to the side plate. This ensures the floating effect of each magnetic wheel, the contact and adsorption effect between each magnetic wheel and the metal surface, the uniform distribution of the magnetic adsorption force of each magnetic wheel, the stable operation of the crawling detection device, and avoids the occurrence of falls.