56results about How to "Prevent sudden fall" patented technology

The invention discloses a spool mechanism for textile machinery. The spool mechanism comprises a base, wherein fixed columns are fixedly connected with the two sides of the top of the base; and a shell is fixedly connected with the tops of the fixed columns. According to the spool mechanism, through cooperative application of the base, the fixed columns, the shell, a pull ring, a movable rod, a first spring, a movable plate, a stabilizing mechanism, a limiting plate, a connecting rod, a fixture block, a spool body, a protective plate, a clamping groove, a movable sleeve, a rotary knob, a threaded rod, a threaded hole, a threaded groove, a fixed plate, a groove and a support mechanism, the problems that the existing spool mechanism for textile machinery is inconvenient to dismantle, plentyof manpower and material resources are consumed, the labor intensity of a worker is increased, application is affected, and during the dismantling process, the protective effect is poor to cause slipof the spool and damage to a textile and inconvenience to a user are solved. The spool mechanism has the advantages of being convenient to dismantle and excellent in protective effect during the dismantling process and deserves popularization.

An electric power steering apparatus drives a motor to generate a steering assist force according to a steering torque and includes an output circuit for supplying the motor with electric power from at least one of a battery and an auxiliary power supply. The electric power steering apparatus has a control circuit which at or after detection of a breakdown of the battery, determines a length of time to the end of steering assist (decreasing time t1) based on the amount of energy stored in the auxiliary power supplies and which takes the determined length of time to perform output decreasing control to gradually decrease the upper limit of power supplied for the steering assist to practically zero according to a constant gradient. Thus is provided an electric power steering apparatus which is adapted to prevent a sudden fall of the steering assist force in the event of a battery breakdown while effectively utilizing the available stored energy.

The invention relates to a car lift capable of being braked. The car lift comprises a bottom box. Lifting columns are installed on the bottom box in a sliding mode. A lifting table is fixedly connected to the lifting columns, a kidney-shaped groove is formed at the lower ends of the lifting columns, a box base is installed in the bottom box, a round rotary wheel is movably installed in the center of the box base, a cylinder is welded to the round rotary wheel, and a mooring rope is installed on the round rotary wheel. A horizontal sliding frame is installed on the right side of the bottom box, a sliding block is connected with the outward extending end of the mooring rope, a movable pulley is connected at the upper end of the sliding block, the movable pulley is sleeved with a rope belt, and a cylinder is connected with the rope belt. The horizontal sliding frame is provided with square grooves in the horizontal direction, springs are installed at the bottoms of the square grooves, and the springs are connected with limiting blocks. The car lift is high in automation degree, and can automatically drive cars to ascend. When the cars ascend, through cooperation of the horizontal sliding frame and the limiting blocks, the horizontal sliding frame can be braked when a hydraulic cylinder or cylinder fails, the effect of preventing cars from falling suddenly is achieved, and safety is high.

The invention provides a fire-protection material conveying lift and an application method thereof. The fire-protection material conveying lift comprises uprights; the number of the uprights is two; the upper ends of the two uprights are fixedly connected through a cross beam; the lower ends of the two uprights are fixedly connected with two running devices; running wheels are arranged at the lower parts of the running devices; bearings are fixedly arranged at the upper end of the cross beam; a rotating shaft is arranged in the bearings in a shaft driving manner; the running wheels are of universal wheel structures with brakes to allow the lift to move conveniently; the two ends of a lifting plate are arranged in first sliding rails in a sliding and clamping manner, so that the lifting plate is lifted more stably; a triggering device of the lift is a spring contactor; and the spring contactor is located over a travel switch. When a material carrying frame is put on the surface of a bearing plate, the spring contactor can trigger on-off of the travel switch, and man-made operation is not required; and the two ends of the bearing plate is arranged in second sliding rails in a slidingand clamping manner, so that the bearing plate slides up and down more stably.

The invention discloses a supporting device facilitating automobile tire dismounting. The supporting device comprises a base, a first motor, an adjusting cylinder and clamping plates, wherein four universal wheels are arranged on the lower side of the base, three sliding grooves are formed in the vertical part of the base, a second transmission rod is slidably connected in each sliding groove, theright end of each second transmission rod is fixedly connected with a lead screw, the right clamping plates are fixedly connected with fixing bases, the lead screws are in threaded connection with moving clamping plates, the moving clamping plates are in sliding connection with supporting plates, the lead screws and the second transmission rods are rotationally connected with the fixing bases through rolling bearings, and the right parts of the fixing bases are connected with the adjusting cylinder through two swing rods. According to the supporting device facilitating automobile tire dismounting, the swing rods are pushed to swing by telescopic rods in the adjusting cylinder, so that the supporting plates are driven to clamp and support wheels, wrench heads are driven to be inserted intothe bolts of the wheels while the moving clamping plates move so as to fix and support the wheels, the second motor is driven to disassemble the bolts on the wheel tires, and the efficiency is improved.

The invention discloses a horizontal jack with a safe self-locking function. The horizontal jack comprises a jack base, a hydraulic assembly, a boom, a tray, a movable rod, a self-locking device, front wheels and rear wheels 8, wherein one end of the boom is hinged to the jack base, a hydraulic assembly capable of supporting the boom to move is arranged in the jack base, the movable rod capable ofcontrolling the hydraulic assembly is arranged at the end, close to the hinge point of the jack base and the boom, of the hydraulic assembly, the movable rod is detachably connected with the hydraulic assembly, the tray is arranged on the boom, the self-locking device is arranged between the jack base and the boom, and the self-locking device is arranged between the ends, away from the movable rod, of the jack base and the boom. According to the horizontal jack with the safe self-locking function, the self-locking device is arranged between the jack base and the boom, so that the boom of thejack is self-locked when the jack is used for jacking up, the boom is prevented from falling suddenly, and the safety is improved.

The invention relates to a rapid-clamping rocking handle and a lifting device with the rapid-clamping rocking handle. The rapid-clamping rocking handle for lifting comprises a force transmission handle and an inverse-rotation-prevention end cover, wherein the force transmission handle is used for driving a lifting input shaft to rotate, and the inverse-rotation-prevention end cover is fixedly connected with a lifting device body. An inverse-rotation-prevention pin is arranged on the force transmission handle and moves in the direction perpendicular to the rotation axis of the force transmission handle in a guiding mode, a stopping groove is formed in the inverse-rotation-prevention end cover and used for inserting the inverse-rotation-prevention pin in the radial direction of the inverse-rotation-prevention end cover so that the stopping groove can be matched with the inverse-rotation-prevention pin in the circumferential direction in a stopping mode, and the inverse-rotation-prevention pin has a locking position and an unlocking position in the guiding moving travel of the inverse-rotation-prevention pin, wherein the locking position is inserted into the stopping groove, and the unlocking position withdraws from the stopping groove. The force transmission handle is provided with an elastic resetting mechanism used for exerting acting force on the inverse-rotation-prevention pin to move the inverse-rotation-prevention pin toward the unlocking position, and is further provided with an unlocking device connected with the inverse-rotation-prevention pin in a transmission mode. The unlocking device is provided with an operation position and a releasing position, wherein the operation position corresponds to the unlocking position of the inverse-rotation-prevention pin, and the releasing position corresponds to the locking position of the inverse-rotation-prevention pin. The rocking handle can conveniently achieve locking, and it is avoided that because the rocking handle inversely rotates, heavy objects suddenly fall off.

The invention relates to a deep foundation excavation system and a technological method thereof in the technical field of deep foundation construction. The system part comprises the following parts ofa conveyor tower erected in deep foundation; a rock crusher arranged at the feeding position at the bottom end of the conveyor tower; unmanned control-based unmanned excavator and unmanned mining card that are both located in deep foundation; an earth-rock separator set at the upper end of the conveyor tower; a conveyor belt assembly; an unmanned earth-rock truck located directly below the lowestend of the conveyor belt assembly when receiving material and located on the ground outside the pit; and a self-locking lifting mechanism, the upper end of which is adjustably connected to the conveyor belt assembly. During the conveying, the earth and rock are transported to the earth-rock separator in the direction by using the conveyor tower, transported to the conveyor belt assembly then, andtransported to the earth-rock truck through the conveyor belt assembly, thereby enabling the entire construction process to achieve unmanned operation and achieving the effect of efficient transportation.

The invention discloses a pavilion type lifting garage, comprising a ground pit, wherein a lifting device and a vehicle storing frame are arranged in the ground pit, a top cover is arranged on the top of the vehicle storing frame, a safety hook is arranged in the ground pit, an overlapping hook is arranged on the lifting device at a position corresponding to an extending position of the safety hook, a waterproof platform is arranged around the ground pit, ramp ways are arranged in front and at back of the waterproof platform, the top is parallel and level to the upper surface of the waterproof platform when the vehicle storing frame completely falls down, four stand columns are arranged on the top cover, a slideway is arranged at the inner side face of each stand column, a rectangular pavilion top is arranged on the stand columns, a roller shutter driving device is arranged in the pavilion top, the staggered roller shutters are respectively and correspondingly arranged between stand columns in the pavilion top, and the roller shutters are driven by the roller shutter driving device and move up and down synchronously along the slideways. The pavilion type lifting garage has the advantages of simple structure, low cost, low energy consumption, safety in use, good waterproof effect, no need of drainage, and convenience for operation, and can be used for reasonably utilizing an aboveground space at the garage position, increasing the number of the garage and playing a role in beautifying ambient landscape.

The invention discloses an automatic discharge mechanism for graphene production. The automatic discharge mechanism comprises an external frame, a receiving trough and a conveying belt, wherein a baseis arranged on the left side in the external frame; a hydraulic cylinder is fixed above the base; a lifting rod is mounted above the hydraulic cylinder; a lifting plate is fixed above the lifting rod; the receiving trough is mounted above the lifting plate; a discharge port is formed above the external frame; a fixing frame is mounted on the right side in the external frame; the conveying belt isarranged above the fixing frame; rotation shafts are mounted on the two sides in the conveying belt; and convex blocks are fixed on the two sides of the lifting plate. According to the automatic discharge mechanism for the graphene production, a lifting structure is formed by the lifting plate and the base through the lifting rod and the hydraulic cylinder; the lifting rod can operate through thehydraulic cylinder to adjust height of the lifting plate so as to allow the receiving trough above the lifting plate to receive a graphene material; and the lifting plate is 8cm in thickness and hasgood load bearing performance.

The invention discloses a yarn bobbin mechanism for textile machinery, which comprises a base, fixed columns are fixedly connected to both sides of the top of the base, and a housing is fixedly connected to the top of the fixed column. The present invention is provided with a base, a fixed column, a shell, a pull ring, a movable rod, a first spring, a movable plate, a stabilizing mechanism, a limit plate, a connecting rod, a block, a bobbin body, a protective plate, a card slot, and a movable sleeve. , knobs, threaded rods, threaded holes, threaded grooves, fixed plates, grooves and supporting mechanisms are used in conjunction to solve the problem that the existing yarn bobbin mechanism for textile machinery is not easy to disassemble, requires a lot of manpower and material resources, and increases the labor intensity of workers , affects the use and use, and the protection effect is poor during the disassembly process, which may easily cause the bobbin to slip, cause damage to the textile, and cause inconvenience to the user. The advantage of good effect is worth promoting.

The invention discloses a flexible bionic whole-vertebra intelligent physiotherapy machine which comprises a base, a supporting mechanism, a lifting mechanism, a bed body and a swinging mechanism, wherein the bed body comprises joint brackets, joint plates and push rods; the joint brackets are mounted on a central shaft in a sleeving manner and connected in sequence; the joint plates and the push rods are fixed on the joint brackets; the swinging mechanism comprises a swinging head, an ankle fixing plate, a rocker arm, a gear, a sector gear and a stepping motor; the swinging head is mounted on a support shaft; the ankle fixing plate is mounted above the swinging head; the gear, the sector gear and the stepping motor are fixed on the swinging head; the rocker arm is mounted in the gear in a sleeving manner. The physiotherapy machine can realize two treatment modes, namely the intelligent type swinging and the intelligent type shaking, and the handstand natural gravity drawing is combined, so that the curative effect can be achieved jointly; a sensor can be used for monitoring the movement situation of a patient at any time to adjust the speed and amplitude of the swinging head, so that the intelligent control treatment can be implemented, the treatment process is safe and reliable, and the curative effect is excellent.