103results about How to "Lifting is safe and reliable" patented technology

A building material lifting device using a limiting sensor comprises a material basket (1), a locking assembly (20) and a lifting device (15), wherein the material basket (1) is used for containing materials, the lifting device (15) is used for ascending and descending the material basket, and the locking assembly can be fixed to a building and lock the material basket at an ascending position.

The invention discloses a lifting platform, comprising a supporting frame, a transmission mechanism, a sliding mechanism and a lifting bracket. The transmission mechanism comprises a first transmission assembly, a second transmission assembly, a fixed seat and a transmission shaft, wherein the fixed seat is arranged on the supporting frame, and the transmission shaft penetrates through the fixed seat and the two ends of the transmission shaft are respectively and fixedly connected with the first and second transmission assemblies; the first transmission assembly comprises a handle, a worm and a worm wheel, wherein the handle penetrates through the supporting frame and is pivoted with the supporting frame, the worm is fixedly connected with one end of the handle, and the worm wheel is fixedly connected with one end of the transmission shaft and is engaged with the worm; the second transmission assembly comprises a rack and a gear, wherein the rack is vertically arranged on the lifting bracket, and the gear is fixedly connected with the other end of the transmission shaft and is engaged with the rack; and the sliding mechanism comprises a guide rail and a sliding block, wherein the guide rail is arranged on the supporting frame and is parallel with the rack, and the sliding block is arranged on the lifting bracket and is clamped with the guide rail in a sliding manner. The lifting platform has the advantages of steady, safe and reliable lifting, high lifting precision, large stroke, no noise when in use, no pollution of environment, simple structure and compactness.

A multi-dimensional dynamic stage comprises a hollow outer frame, a stage, a swing frame, first hydraulic cylinders and second hydraulic cylinders. A crane capable of ascending and descending is arranged in an inner cavity of the hollow outer frame, and piston rods of the first hydraulic cylinders are connected with the lower end of the crane; the swing frame is mounted below the stage and is connected with the stage by a rotary support, a driving motor and a driving gear are mounted on a side surface of the swing frame, and the driving gear is matched with the rotary support; and a first lug is arranged on the upper end surface of the crane, one end of the swing frame is hinged with the crane by the first lug, a step is arranged on the crane, the second hydraulic cylinders are hinged on the step, and piston rods of the second hydraulic cylinders are hinged with the other end of the swing frame. The multi-dimensional dynamic stage has the advantages that ascending, descending, declining and rotating effects can be realized by matching of the crane, the swing frame and the rotary support according to requirements of a story line, audiences feel awed and excited, and performance scenes are abundant.

The invention discloses a novel stereo elevating bookshelf. The novel stereo elevating bookshelf comprises a support frame; left and right sides of the bottom of the support frame are provided with guide rails; the front end and rear end of each guide rail are provided with limiting switches; an upper end of each guide rail is provided with a guide groove; each guide groove is connected with a lower bookrack through a guide pulley; each of left and right sides of an upper portion of the support frame is provided with two sliding grooves; each sliding groove is connected with an upper bookrack through an elevating pulley; and the top of the support frame is provided with an assembly box. By adoption of the elevating mechanism, the upper bookrack can be elevated smoothly and safely, operation is simple, readers can operation the bookshelf by themselves to select required books, occupancy time of librarians is saved, structure arrangement is reasonable, and space occupancy is reduced. A structure of slidably pressing books is adopted, the books are prevented from being scattered or disordered due to the fact that the bookshelf is moved or the books in the disposing space are not enough, the books are ensured to be disposed regularly, so that the librarians can manage the books conveniently, and the readers can select and find the required books conveniently.

The invention relates to an intelligent installing vehicle for an aircraft engine. The intelligent installing vehicle is composed of an engine installing vehicle body and an engine installing mechanism. The engine installing vehicle body is composed of an omni-directional mobile platform and a lifting mechanism. A servo motor is arranged between the omni-directional mobile platform and the lifting mechanism. The engine installing mechanism is composed of a supporting base, a sliding rack trolley, a pull rod assembly, main hinge point supporting devices, a bracket device, transmission supports, a longitudinal moving mechanism and guide rails. The guide rails are arranged on the upper end face of the supporting base. The sliding rack trolley is connected to the guide rail in a sliding mode. The longitudinal moving mechanism is connected to one side of the sliding rack trolley. The transmission supports and the main hinge point supporting devices are arranged on the outer sides of the guide rails and fixedly connected with the supporting base. By means of the engine installing vehicle body and the engine installing mechanism, the universal mobile platform servo drive mode is adopted for installing an engine, operation space is large, the turning radius is increased, by means of design of mechanical-electrical integration, working efficiency of aircraft work machine operators is improved, and time and labor are saved.

The invention belongs to the technical field of aquaculture net cages, in particular to a lift-type aquaculture net cage. The lift-type aquaculture net cage comprises two floating pipes (1) and a floating pipe support (2); the floating pipes (1) are connected together through the floating pipe support (2). The lift-type aquaculture net cage is characterized by also comprising a plurality of vertical rigid hanging beams (3), a plurality of horizontal rigid hanging beams (4) and a gravity regulating device (5); the top ends of the vertical rigid hanging beams (3) are connected onto the floating pipe support (2), and the bottom ends of the adjacent vertical rigid hanging beams (3) are respectively connected with two ends of the corresponding horizontal rigid hanging beam (4); the gravity regulating device (5) is connected with the bottom ends of the vertical rigid hanging beams (3) through underframe nylon mooring ropes (6). The lift-type aquaculture net cage provided by the invention has the advantages that the structure is simpler, the operation control system is simpler and more reliable, netting is low in deformation; lift is safe and reliable by anti-swing cloth, and the function of the net cage is more complete and humanized.

The invention discloses a rear cantilever type simple parking device lifting through chains. The device comprises components as follows: lifting motors, lifting motor gears, driving shafts, chain baffles, transmission chains, lifting chains, traverse motors, standing column assemblies, beam assemblies, lifting frame assemblies, second layer car carrying board assemblies, first layer car carrying board assemblies, diagonal draw steel bars, diagonal draw steel bar folding guiding plates, lifting frame guiding shafts, rollers and the like. The rear cantilever type simple parking device achieving lifting through chains enables second layer car carrying boards to be lifted safely and stably and achieves the anti-falling function of the car carrying boards at the position of the second layer; accurate positioning and lateral moving of the rear cantilever type simple parking device at the first layer is achieved, and slipping and car sliding are prevented; the safety and the reliability of the rear cantilever type parking device are improved; and the requirements of small size, simplicity and practicality for mechanical parking devices are met.

The invention discloses an attached lifting scaffold which comprises a scaffold body, a protective safety net, a lifting mechanism, a lifting safety mechanism and a control system. Multiple bottom loading frames, bottom pedal frames, middle pedal frames, bottom pedals and upper pedals are prefabricated as a whole, and connection joints of multiple first vertical rods, the bottom loading frames, the bottom pedal frames, first diagonal bracings, second vertical rods, the middle pedal frames, second diagonal bracings, third vertical rods, third diagonal bracings, fourth vertical rods, fourth diagonal bracings, bottom pedals, fifth vertical rods and the upper pedals are provided with connection structures in advance. The scaffold is formed by splicing individual components, and the components are all all-steel components. During on-site installation, people only need to splice the components and the accessories according to a drawing to form the scaffold, a large amount of labor can be saved in the construction process, splicing is easy, and safety is also greatly improved.

The invention provides a building material lifting device with a recovering device. The building material lifting device comprises a material basket (1), a locking assembly (20) and a hoisting device (15), wherein the material basket (1) is used for storing building materials; the hoisting device (15) is used for hoisting the material basket; the locking assembly can be fixed on a building and can be used for locking the position of the material basket on an ascending position.

A building material lifting device cooled through a fan comprises a material basket (1), a locking assembly (20) and a lifting device (15). The material basket (1) is used for containing building materials, the lifting device (15) is used for ascending and descending the material basket, and the locking assembly can be fixed to a building and can lock the position of the material basket at an ascending position.

The invention discloses a guide rail device, a scaling ladder mechanism comprising the guide rail device and an overhead working machine. The guide rail device comprises a main body, a guide rail (11), a slide rod (50) and a synchronous driving unit (80); the guide rail (11) is arranged on the main body along the extending direction of the main body; the slide rod (50) is arranged at the bottom of the main body and can be retracted relative to the main body along the length direction of the main body so as to be used as the extension of the guide rail (11); and the slide rod (50) realizes the synchronous retraction through the synchronous driving unit (80). The slide rod can be synchronously retracted so that the sliding distance of a sliding bucket is prolonged after the slide rod stretches out, and a worker can directly slide to the ground from a working bucket.

A dustproof building material hoisting device comprises a material basket (1), a locking subassembly (20) and a lifting device (15), wherein the material basket (1) is used for containing building materials; the material basket can ascend or descend with the aid of the lifting device (15); and the locking subassembly can be fixed on a building and locks the material basket at an ascending position.

A cantilever type hydraulic lifting bi-directional belt conveyor comprises a movable support and a conveying mechanism; rollers are installed at the lower end of the support; the belt conveyor further comprises a safety rod, a first hydraulic cylinder and a second hydraulic cylinder; the conveying mechanism is connected with the movable support through the safety rod, the first hydraulic cylinder and the second hydraulic cylinder; two ends of both the safety rod and the second hydraulic cylinder are hinged to the conveying mechanism and the movable support respectively; one end of the first hydraulic cylinder is connected onto the support fixedly, and the other end of the first hydraulic cylinder is hinged to the conveying mechanism; the first hydraulic cylinder is located between the safety rod and the second hydraulic cylinder; and one end of the first hydraulic cylinder is hinged to the middle portion of the conveying mechanism. The belt conveyor can effectively stretch into a railway carriage, and the railway carriage can be loaded or unloaded. When an inclined angle of the conveyor is enlarged, a conveyed material is not prone to slipping.

The invention discloses a portable unmanned aerial vehicle lifting platform. By setting the mesh hole on the top of the main body of the circular platform, not only the weight of the circular plane can be further reduced, but also the influence of the strong wind on the stability of the circular plane during the take-off and landing of the unmanned helicopter can be greatly reduced, and the performance of the unmanned helicopter can be remarkably improved. By installing photoelectric emitters in the center and edge of the top circular plane body, the operator of unmanned helicopter can easilyfind the position of the lifting platform, and at the same time, it is advantageous for long-distance observation and identification in foggy weather. The height and the inclination angle of the lifting platform can be adjusted by setting the adjusting mechanism of the universal platform and adjusting the length and the support angle of the telescopic tripod, so as to adapt to the rugged hillsideshape, ensure the stable and safe lifting and landing of the unmanned helicopter, and greatly improve the lifting and landing flexibility of the unmanned helicopter.

The invention provides an electric vehicle pantograph, which comprises the following components: a transmission device fixed on a base, a powered panel, and a beam frame consisting of a beam, a pin shaft and a support seat, wherein the transmission device is a multistage cylinder, and multiple guide rods are on the multistage cylinder. Because multiple guide rods are on the multistage cylinder, the electric vehicle pantograph in the invention makes the multistage cylinder be safer and reliable in elevating process, and simple in structure. Meanwhile, because a drag chain and a protective cover are added, the pantograph is more beautiful and safe, and the service life of the pantograph is prolonged.

To provide an armrest lifting mechanism of a chair-type toilet capable of safely lifting armrests by a simple operation and being inexpensively manufactured with a simple structure. The armrest lifting mechanism comprises an armrest base part 15 which vertically hangs from each armrest body 13 and which has a plurality of openings 17 formed at intervals in the vertical direction in a side wall 16, a restrained member 23 disposed inside the armrest base part 15 as energized by a spring 34, which can be lifted relative to the armrest base part 15, a stopper 40 whose end is fitted with any one recess 25 of the restrained member 23 via any one opening 17 of the armrest base part 15 and which is energized by a spring 39, and a driving member 35 which relatively moves the restrained member 23 to the armrest base part 15 so that the recess 25 of the restrained member 23 is in a state not to face the opening 17 of the armrest base part 15. An opening 18 for stopping the descent is formed above the uppermost opening 17 of the armrest base part 15, and a recess 26 for stopping the descent and a stopper inhibiting member 29 for storing the armrest base part 15 inside the armrest base part 15 against a spring 28 when relatively descends are formed above the uppermost recess 25 of the restrained member 23.

A low-noise building material lifting device comprises a base (100), a material basket (1), a locking assembly (20) and a hoisting device (15), wherein the material basket (1) is used for containing building materials; the hoisting device (15) is used for hoisting the material basket; the locking assembly can be fixed on a building and can be used for locking the position of the material basket at a rising position.

The invention discloses sectional type vertical lift high-rise comb fork type parking equipment. According to the equipment, each section is provided with guide rails, a lifter and a driving device, and the guide rails are respectively installed at the four corners of an elevator shaft; the lifters are arranged in the same elevator shaft, and are respectively provided with a lifting part; lifter traction ropes are respectively tied on the lifting parts; parking rooms are respectively and internally provided with a transverse moving car carrying plate; the parking room at a first floor of a high-rise section is taken as a transfer room, and the transverse moving car carrying plate in the transfer room is taken as a transfer device formed by a transfer car carrying plate and a transverse moving drive device; the second lifter and the third lifter are used for transferring vehicles in a staggered way by means of the transfer car carrying plates. The lifters are designed in the same shaft for carrying out sectional lifting, so that the lifters do not interfere with each other, are not in contact with one another and can safely go up and down at the same time, and the processing speed of going in and out of a garage is accelerated. The parking equipment can deal with the plurality of vehicles at the same time without enlarging the set area; a vehicle passageway is communicated with the plurality of sets of lifters, so that the lifters can share the passageway, and the aim of saving space is achieved.

A building material lifting device with a heat radiation function comprises a material basket (1), a locking assembly (20) and a lifting device (15). The material basket (1) is used for containing building materials, the lifting device (15) is used for lifting and dropping the material basket, and the locking assembly can be fixed to a building body and lock the position of the material basket at a lifting position.

A lifting platform for underground cable construction comprises four supporting legs. A supporting frame is mounted on the supporting legs, a cross tube is mounted on the supporting frame, two hanging ropes are respectively arranged on both ends of the cross tube, the upper ends of the hanging ropes are fixed on the cross tube, a lever hoist is arranged on the lower ends of the hanging ropes, the upper end of the lever hoist is connected with the hanging ropes, two sections of fixed ropes are arranged on the lower end of the lever hoist, a platform frame is arranged on the lower ends of the two sections of fixed ropes, four pulling ropes are respectively arranged on the four connecting nodes of the supporting frame, the upper ends of the pulling ropes are connected with the supporting frame, the lower ends of the pulling ropes are connected with the platform frame, a platform plate is mounted on the platform frame, and is provided with a hoisting opening, a supporting plate is arranged on the platform plate, a horizontal fixed shaft is arranged on the supporting plate, a rope roller is sleeved on the fixed shaft, a round rocking connecting plate is mounted on the end of the rope roller, the circle center of the rocking connecting plate is superposed with the rope roller, a rocking handle is arranged on the edge of the rocking connecting plate, a lifting rope is mounted on the rope roller, the upper end of the lifting rope is fixedly connected with the rope roller, the lower end of the lifting rope is fixedly connected with a hook, and the rope roller is located over the hoisting opening.

The invention relates to the technical field of stages, in particular to a movable square stage structure. The movable square stage structure comprises a stage body. A cavity is formed in the stage body. A motor is mounted on the bottom wall of the cavity. The output end of the motor is connected with a driving shaft. The driving shaft is connected with a sun wheel. The sun wheel meshes with a planet wheel. The planet wheel meshes with a gear ring. An annular groove and a groove are formed in the stage body. The annular groove is internally and slidably connected with an annular table fixedlyconnected with the gear ring. The groove is internally and slidably connected with a sliding plate. A hydraulic cylinder, a cylinder body and an airbag are mounted on the bottom wall of the groove. The output end of the hydraulic cylinder is fixedly connected with the sliding plate. The driving shaft is connected with a cam. The cylinder body compresses gas and sends the gas to the airbag under the action of the cam. A push plate is arranged beside the airbag. A positive plate is mounted on the push plate. A negative plate is mounted on the side wall of the groove. The positive plate and the negative plate are connected in a switching circuit of the hydraulic cylinder in series. According to the movable square stage structure, rotating, rising and falling of a stage can be achieved, the performance effect of the stage is enhanced, and meanwhile, performers control the stage to rise and fall.

The invention discloses building material lifting equipment with an automatic locking function, comprising a material basket (1), a locking component (20) and a lifting device (15), wherein the material basket (1) is used for accommodating building materials; the lifting device (15) is used for lifting the material basket. According to the building material lifting equipment with the automatic locking function, the locking component can be fixed on a building body, and can lock the position of the material basket in the ascending position.

The invention discloses a building material lifting device capable of being locked automatically. The building material lifting device comprises a material basket (1), a locking assembly (20) and a lifting device (15). The material basket (1) is used for containing building materials, the lifting device (15) is used for lifting the material basket, and the locking assembly can be fixed on a building body and conduct position locking on the material basket at the rising position.

The invention discloses a method for transporting and mounting a hydraulic support in a coal mining face. The method comprises the following steps: laying a transportation track on an underground roadway, extending the underground roadway to the coal mining face, laying a transfer track along the coal mining face, and arranging a mounting in-place machine at a specified mounting point of the coal mining face; placing the hydraulic support on a support transporting vehicle, and moving the support transporting vehicle to the coal mining face along the transportation rack; hoisting the hydraulic support to a support transferring platform, and moving the support transferring platform to the mounting in-place machine along the transfer track; hoisting the hydraulic support to a rotary lifting platform of the mounting in-place machine; adjusting a placing angle of the hydraulic support, then pushing the hydraulic support to a slope type stacking platform, and sliding the hydraulic support to a ground of the coal mining face along the slope type stacking platform. The method provided by the invention realize transportation, steering and placing in-place operations of the hydraulic support in the working face, and has advantages of high mechanization degree, convenient use and high transportation efficiency.