98results about How to "Large lifting stroke" patented technology

The present invention provides a single-slideway sleeved manipulator. The manipulator includes a single-bar slideway, the both sides of which are provided with grooves, an inner sleeve with raised keys is mounted on the single-bar slideway, an outer sleeve is mounted outside the inner sleeve, a gear ring is arranged on the lower end of the outer sleeve, the lower end of the inner sleeve is provided with a lug boss, on which a direct current servo motor is fixed, and a driving gear is mounted on the shaft of the direct current servo motor and engaged with the gear ring. A fixed pulley is fixed on the upper end of the single-bar slideway, a winding pulley mounted on the lower end is jointed with a servo winding motor via a coupling, both ends of a steel rope is fixed by two connecting bolts mounted on the inner sleeve, the steel rope is orderly connected with the fix pulley and the winding pulley via the grooves on both sides of the slideway, the inner sleeve is provided with a retaining scraper, a mechanical arm is firmly connected with the outer sleeve, and a paw is arranged on the end of the mechanical arm. The present invention has the advantages of compact structure, light weight, low energy consumption, long lifting travel and 360-degree rotation and can grasp and move any objects with irregular mesopores.

The invention relates to a lifting street lamp and a maintaining method, and belongs to the field of street lamps and relevant illumination technical equipment. The lifting street lamp mainly comprises a base pole of a hollow structure, a lifting rod, winding rollers and a pulley are arranged in the base pole, lamp bodies are mounted at the upper end of the lifting rod, and a guiding wheel is mounted at the lower end of the lifting rod and used for guiding the lifting rod to go up and down in the base pole; a steel wire rope is wound on the winding rollers, and the other end of the steel wire rope winds across the guiding wheel and then is fixedly connected to the lifting rod; the winding rollers are driven by a crank handle so that the steel wire rope can be wound and unwound. Through the designed brand-new structure of the lifting street lamp, the street lamp is provided with the simple and reliable structure and can go up and down so that workers can directly maintain the street lamp conveniently on the ground.

The invention provides a retractable supporting structure and a hospital bed lifting mechanism. The retractable supporting structure comprises a plurality of groups of scissor supports which are arranged along a first direction, and a lead screw driving mechanism which is used for controlling the groups of scissor supports to retract in the first direction, wherein the groups of scissor supports comprise at least one group of scissor supports; on supporting rods of the group of scissor supports, the distance from a connection point between two supporting rods to one end of each supporting rod is greater than the distance from the connection point to the other end of each supporting rod; a nut or a motor of the lead screw driving mechanism is located on the group of scissor supports; the ends, closer to the connection point between the two supporting rods of the group of scissor supports, of the supporting rods of at least one group of scissor supports are located on both sides of a connecting wire of the nut and the motor respectively. Compared with an existing retractable supporting structure, the retractable supporting structure has the advantages that the nut on a lead screw is capable of increasing the retracting stroke of the scissor supports under the condition that the moving distances are the same.

The invention relates to a full-automatic multi-grinding head independently moving polishing machine, which comprises a controller, a main motor, a cleaning device and a conveyer belt. A grinding head and a stand are fixedly connected with an upright post respectively, the top of the upright post is fixedly connected with an upper beam, and the grinding head is connected with a main shaft of a main shaft box. The polishing machine is characterized in that the main motor drives the main shaft of the main shaft box through a first-level conveyer belt, the main shaft is connected with the grinding head, the main shaft box is respectively connected with an independent left moving mechanism and an independent right moving mechanism as well as a lifting mechanism, and the lifting mechanism comprises a mechanical lifting mechanism and a pneumatic lifting mechanism. The polishing machine has a compact and reasonable structure, a single grinding head can swing solely, and the single grinding head can solely grind an irregular plate with an unfilled corner, so that the polishing machine radically solves a fundamental problem for stabilizing yield and quality. The polishing machine adopts pneumatic and mechanical double-level lifting so as to increase lifting stroke, and is widely applied for machining stones, so that the polishing machine not only can grind the prior stones, but also can grind various boulder strips with different heights and specifications. The polishing machine has the advantages of high working efficiency and long service life.

The invention discloses a gas stove capable of lifting. The gas stove comprises a stove body, wherein a combustor assembly and a control switch assembly are arranged in the stove body; a lifting frame capable of driving the combustor to lift is arranged below a combustor of the combustor assembly; the periphery of the lifting frame is provided with a rotary frame capable of driving the lifting frame to lift; one side of the rotary frame is provided with a power transmission device for driving the rotary frame to rotate; the power transmission device drives the rotary frame to positively or negatively rotate; and the rotary frame positively or negatively rotates to drive the lifting frame to lift or descend. The gas stove is simple and reasonable in structure, and capable of realizing integral lifting of the combustor and a furnace rack; while used, the combustor and a boiler bracket lift, so that using requirement are met; while not used, the combustor and the furnace rack are stored below a stove panel, so that the combustor and the furnace rack are parallel to the stove panel, and therefore, the combustor and the boiler bracket can be protected in a facilitated mode, and are convenient in cleaning.

The invention provides a window glass lifter, a window glass lifting mechanism and a vehicle. The window glass lifting mechanism comprises a guide slide rail, a window glass bracket slider, a pull wire and a driving mechanism, the window glass bracket slider is used for driving widow glass to ascend and descend along the guide slide rail, is arranged on the slide rail and is capable of moving along the guide slide rail, the pull wire is used for pulling the window glass bracket slider to reciprocate along the guide slide rail and is fixedly connected with the window glass bracket slider, the driving mechanism is used for providing power for movement of the pull wire and is connected with the pull wire, and the guide slide rail is an arc-shaped guide slide rail which is capable of guiding the window glass bracket slider to reciprocate along an arc-shaped track so as to drive the window glass to ascend and descend along the arc-shaped track. The guide slide rail is arranged as the arc-shaped guide slide rail to guide the window glass bracket slider to move along the arc-shaped track and further drive the window glass to move along the arc-shaped track, so that the window glass is large in lifting stroke on one side and small in lifting stroke on the other side, and further the descending stroke of the window glass and particularly corner-less window glass can meet requirements.

The invention discloses an anti-collision device of a sickle-typed digital radiography system, which comprises a lifting motor and a rotating machine, and also comprises an altimeter coder, an angle encoder, a control module, a lifting motor driving module, and a rotating machine driving module. The altimeter coder and the angle encoder are respectively connected with the control module; the control module is connected with the lifting motor driving module and the rotating machine driving module; the lifting motor driving module is connected with the lifting motor; the rotating machine driving module is connected with the rotating machine; the altimeter coder is connected with the lifting motor through a gear; the angle encoder is connected with the rotating machine through the gear.

The invention provides a conveyor for battery exchange, which comprises a bearing part, wherein, the bearing part comprises a bearing plate, the bearing plate is used for bearing a battery to be conveyed, and a battery conveying mechanism is arranged on the bearing plate; a lifting mechanism, wherein, the lifting mechanism is supported at the bottom of the bearing plate and is controlled to lift so as to change the vertical distance between the bearing plate and the bottom plate; a moving part connected to the bottom of the bearing part and used for driving the bearing part to move; wherein, avehicle body positioning mechanism is arranged on the bearing plate, and the vehicle body positioning mechanism is used for limiting the bearing plate at a first desired position matched with the positioning hole at the bottom of the vehicle to be exchanged. According to the conveyor for battery exchange, the functions of lifting, conveying and the like required by loading and unloading the battery are integrated on the bearing part, and through the arrangement of the vehicle body positioning mechanism, in the loading and unloading process of the battery, the conveyor for battery exchange andthe vehicle to be exchanged can keep accurate relative positioning, so that the battery exchange efficiency is improved. The conveyor for battery exchange achieves manual pushing, the lifting strokeis large, the bearing capacity is large, the size is small and the operation is light and convenient, the conveyor can be suitable for each parking lot and most automobile maintenance stations, and issimple and reliable in structure and use.

The invention discloses a compact type lifting device. The compact type lifting device comprises a box body, a rolling executing mechanism and a rolling assisting mechanism, wherein the rolling executing mechanism is arranged inside the box body; the rolling assisting mechanism is matched with the rolling executing mechanism and is used for assisting the rolling of a wire; the box body is providedwith a wire inlet and a wire outlet; the rolling executing mechanism comprises a rolling roller and a rotation driving mechanism which is used for driving the rolling roller to rotate to implement rolling and unrolling; the rolling assisting mechanism is arranged at one side of the rolling roller and comprises a mobile frame and a movement driving mechanism, wherein the mobile frame is used for limiting the position, in the axis direction of the rolling roller, of a wire which is being rolled; the movement driving mechanism is used for driving the mobile frame to move in the axis direction ofthe rolling roller; the mobile frame is provided with a positioning part used for positioning the wire; and the wire is rolled on the rolling roller after bypassing the positioning part. The compacttype lifting device has the advantages of being capable of rolling a long wire and small in size.

The present invention relates to a hoist device of bracket transport vehicle. The main structure is composed of a base, a hoisting oil cylinder, a hydraulic balance valve, oil cylinder ears, an oil cylinder shaft, a sprocket wheel, a sprocket wheel spline shaft, supporting plates, a lifting chain, a lifting hook and a screw bolt. The invention adopts a design that the hoisting oil cylinder, the round link chain and the sprocket wheel are integrated. The hoisting oil cylinder adopts a telescopic plug-in type balance valve and has the functions of self locking, buffering and smooth descending. The lifting chain adopts the round link chain and has strong interchageability. The sprocket wheel adopts the design of double sprocket tooth sockets and has large chucking force. The sprocket shaft adopts a double spline connection and is simple and reliable. The self-unloading device has a hoist body composed of a front body, a back body, a left body and a right body. The hoist device of the invention has the advantages of reasonable designing, compact structure, large force of the hydraulic oil cylinder, strong hoisting capacity, high efficiency, stable and reliable safety, and convenient operation. The hoist device of bracket transport vehicle is ideal for the down-hole bracket transport vehicle of mine and can also be installed on other vehicle types.

The invention relates to a support device for installing and disassembling a cover plate. The support device comprises a frame with omni-directional wheels installed at the bottom. A lifting mechanism is arranged on the frame. The lifting mechanism comprises a vertical guiding structure arranged on the frame and a guiding rod which is assembled on the vertical guiding structure in a guiding mode along the up and down direction. A support layer board for place the corresponding cover plate is arranged on the guiding rod. The lifting mechanism further comprises a lateral guiding structure arranged on the frame and a transmission inclined rod, wherein the upper end of the transmission rod is in hinge joint with the guiding rod. The lower end of the transmission inclined rod is assembled on the lateral guiding structure in a guiding mode. A driving mechanism with a straight motion output end is further arranged on the frame. The lower end of the driving mechanism is in hinged connection with the frame, and the upper end of the driving mechanism is in hinged connection with the middle of the transmission inclined rod. The support device for installing and disassembling the cover plate is safe in operation.

The invention provides a marine mooring unmanned aerial vehicle automatic storage device and a control system thereof. A driving unit comprises a stepper motor lifting module and servo electric cylinders; the stepper motor lifting module serves as a main lifting motor of the storage device and is responsible for lifting a main platform, and overall recovering the platform and an unmanned aerial vehicle into a storage box after the unmanned aerial vehicle lands; and the servo electric cylinders serve as auxiliary motors for the storage device to drive a parallel platform on the main platform so as to guarantee levelness and stability of the platform under the ocean wave environment and assist the unmanned aerial vehicle in landing. The parallel platform is driven by the four servo electric cylinders, over-positioning of the parallel platform is reduced, the internal loss of the system is reduced, the working space of the platform is enlarged, and the control difficulty of the parallel platform is lowered; and meanwhile, compared with a single-stage lifting system of a traditional storage device, the two-stage lifting platform combination mode is adopted to maintain the stability of the platform under the ocean wave environment under the premise of the large working stroke of the platform.

The invention discloses a book management device integrating book recycling and donation, and a management method thereof, and belongs to the field of intelligent book management systems. The device comprises a recycling bookshelf assembly, a book grabbing and conveying assembly and a book recycling and recognizing assembly, wherein the book recycling and recognizing assembly comprises an outer frame, a book conveying mechanism, a waste book transferring mechanism, a waste book temporary storage mechanism, a weighing sensor, a book scanner, a label printer and a control system. According to the invention, a book management device integrating book recycling and donation is provided; books are distinguished, recovered and donated according to values and are organically combined together, sothat automatic recovery and donation management of waste books are facilitated, great convenience is brought to recovery and donation of books which are not used by students, the book purchasing costof next students is reduced, and papermaking materials are saved; and the structural design is reasonable and compact, the book transferring action is stable and reliable, and the books are not proneto being damaged in the grabbing and transferring process.

The invention discloses a manual-automatic integrated lifting bed structure, which comprises: a bed frame body, bed lifting fasteners, flexible lifting bodies, a mandrel, a brake component, a manual driving component and an automatic driving component. The bed lifting fasteners are located above the edge of the bed frame body. A crossbeam is arranged in the bed frame body. The mandrel is disposedon the crossbeam. The mandrel is provided with winding bodies corresponding to the bed lifting fasteners. The flexible lifting bodies are respectively connected between the winding bodies and the bedlifting fasteners. The edge of the bed frame body is equipped with guide rings corresponding to the flexible lifting bodies. The manual driving component and the automatic driving component are arranged in the bed frame body to drive the mandrel. The brake component is disposed in the bed frame body to brake the mandrel. Through the above mode, the manual-automatic integrated lifting bed structurehas advantages of simple structure, light weight, flexible lifting and stable and quiet operation; and operation flexibility is improved.

The invention discloses a logistics automatic carrying machine which comprises a supporting structure and a pneumatic clamp. The logistics automatic carrying machine is characterized in that the supporting structure comprises a base and a horizontal supporting plate; walking wheels are installed at the four corners of the bottom of the base; a supporting stand column which is vertically arranged is fixed to the center position of the upper surface of the horizontal supporting plate through a bolt, and a mechanical hand seat is fixed to the top end of the supporting stand column through a bolt;the mechanical hand seat is connected with a universal mechanical hand frame; a cylindrical pneumatic clamp executing air cylinder is fixed to the tail end position of the universal mechanical hand frame through a bolt; and the pneumatic clamp is fixed to the pneumatic clamp executing air cylinder through a bolt. By means of the logistics automatic carrying machine, external air is stored into agas bomb through an air pump, gas enters the pneumatic clamp executing air cylinder through a pipeline and the universal mechanical hand frame to make a piston move, the shape of the pneumatic clamp is driven to change through a push rod compression spring, the clamp is stretched or contracted to achieve clamping of an object, and fast conveying of the whole object can be achieved under cooperation of moving of the supporting structure.

The invention provides a table vibration building block forming machine capable of manufacturing the height being 500 mm. The table vibration building block forming machine comprises a rack, a discharging mechanism, a distributing mechanism and a forming mechanism. A first lifting drive device and a second lifting drive device are mounted on the rack. The first lifting drive device comprises first oil cylinders connected with a forming mold frame, vertical rods located above the first oil cylinders, connecting arms obliquely located above the vertical rods and a mounting rod connected with the connecting arms and the rack. The second lifting drive device comprises second oil cylinders, a rotary shaft, gear racks and gears. The second oil cylinders are connected with a press head. The gear racks and the press head are arranged. The gears are mounted on the rotary shaft. The gears and the gear racks are correspondingly engaged. An abutting mechanism for abutting against the gear racks to keep a vertical state all the time is arranged on the rack. According to the table vibration building block forming machine, high bricks ranging from 180 mm to 500 mm can be formed; the overall size is small; the press head ascends and descends stably; the surfaces of the formed high bricks are smooth, and high-low bricks are avoided; and the demolding speed is high and stable.

The invention discloses a robot chassis device capable of multi-stage lifting. The device includes a robot body, a chassis cabinet, a first-stage lifting device, a second-stage lifting device and a third-stage lifting device; the first-stage lifting device, the second-stage lifting device and the third-stage lifting device are arranged inside the chassis cabinet from bottom to top, and the robot body is arranged at the top of the third-stage lifting device. The first-stage lifting device includes a first-stage base, a first-stage hydraulic cylinder, a first-stage hydraulic rod, a damper spring, a first-stage connecting rod and a first-stage lifting platform, the second-stage lifting device includes a second-stage hydraulic cylinder, a second-stage hydraulic rod, a second-stage connecting rod and a second-stage lifting platform, and the third-stage lifting device includes a driving motor, a turning wheel, a rack frame and a lifting chassis. According to the robot chassis device capableof multi-stage lifting, the different heights of the chassis can be flexibly adjusted based on the height demands of robot operation, therefore the height of the robot is adjusted, the lifting strokeis large, the structure is simple, use is flexible and convenient, and the cost is low.

The invention relates to an overhead ground wire lifter which comprises a rack body and lifting rods and is characterized in that the center of the rack body is provided with a through groove with a downward opening, two ends of the rack body are provided with screw holes, each lifting rod of which the surface is provided with threads is arranged in each screw hole, the upper part of each lifting rod is provided with a spanner and the lower end of each lifting rod is provided with a hanging wire hook. According to the overhead ground wire lifter, a double-lifting-point lifting structure is adopted, other protection measures are not needed to be taken during operation, so that the fieldwork quantity is reduced, and the efficiency is improved; the generality is strong, by virtue of controlling the width size of the groove of the rack body, the overhead ground wire lifter can adapt to all existing tower shapes of 220-500Kv; the lifting stroke of the lifting rod is long, so that the operation requirements can be met; the overhead ground wire lifter is simple in structure and convenient to use.

The present invention relates to an electric (automatic) driving mechanism mounted in the large and medium coach and bus. Said mechanism is formed from transmission mechanism, self-locking mechanism, lifting mechanism, squeeze prevention and manual switching mechanism. Said invented electric (automatic) driving mechanism can be used for controlling bus door, and its structure is simple and is reliable.

The invention relates to the technical field of glass tempering auxiliary equipment, and in particular relates to an air grid lifting device. The air grid lifting device comprises a base, a guide column, a motor and a lifting base, wherein the motor is connected to a driving shaft, and the driving shaft is connected to a driven shaft. The air grid lifting device is characterized in that crank connecting link lifting mechanisms are arranged at two ends of the driving shaft and the driven shaft; the crank connecting link lifting mechanisms are hinged to the lifting seat for driving the lifting seat to lift along the guide column; the front ends of the driving and driven shafts are connected to a first parallel double crank connecting link lifting mechanism and the back ends of the driving and driven shafts are connected to a second parallel double crank connecting link lifting mechanism; the first and second parallel double crank connecting link lifting mechanisms are symmetrically distributed and are driven by the motor to move synchronously so as to drive the driving and driven shafts to rotate synchronously. The air grid lifting device has the advantages that the air grid liftingdevice is simple in structure, stable to operate and small in noise, and meanwhile, the invention also provides a tempered air grid system adopting the air grid lifting device.