2246results about How to "Achieve lifting" patented technology

The invention discloses a lifting desktop device, which comprises a lifting desktop, a screw transmission mechanism, a first support, two push bars and two first support bars. The screw transmission mechanism comprises two synchronous pulleys, a synchronous belt, a motor device, two screw sliders and two screws. The two screw sliders are sleeved on the two screws respectively. The two synchronous pulleys are fixed on the two screws respectively at the same end, and the synchronous belt is connected with the two synchronous pulleys. One of the support bars is connected with the motor device. On end of a push bar is pivoted to the lifting desktop, and the other end of the push bar pivoted to the screw sliders. One end of the other support rod is pivoted to the lifting desktop, and the other end of the other support rod is pivoted to the first support. The lifting desktop is driven by the motor device to ascend or descend to fold in. The invention further discloses a display integrated desk with the lifting desktop device. The lifting desktop device is applicable to various computer desks, school desks, tea tables and the like and can be used for holding keyboards and mice. The lifting desktop is freely liftable and foldable, small and flexible, and highly universal and practical.

The invention relates to the technical field of electronic components, and discloses a lift-type electronic component storage box, comprising a box body and a box cover, the box cover is closed on the top of the box body, and driving motors are installed on both sides of the box body, The output shaft of the drive motor passes through the side of the box and is fixedly connected with one side of the first bevel gear located in the inner cavity of the box. The bottom of the first bevel gear is meshed with a second bevel gear, and the surface of the second bevel gear and the threaded rod Fixed socket. The elevating electronic component storage box is provided with a driving motor, a threaded rod, a first bearing plate, a supporting rod and a placing plate, and the rotation of the driving motor drives the first bevel gear and the second bevel gear to rotate, so that the threaded rod rotates. Cooperate with the limitation of the two drive motors, so that the first carrier plate, the second carrier plate and the third carrier plate are raised, and at the same time, it cooperates with the limitation of the threaded rod, so as to achieve the effect of convenient access to electronic components, and the use is more convenient .

The invention discloses a mechanical patient transferring trolley and belongs to the field of special patient transportation tools. The mechanical patient transferring trolley comprises an upper trolley frame, a middle trolley frame, a lower trolley frame, a lifting device arranged between the lower trolley frame and the middle trolley frame, an overturning device arranged between the middle trolley frame and the upper trolley frame, a horizontal moving device arranged on the upper trolley frame and multiple sliding carrying plates which are mutually isolated. A scissor jack is used for ascending and descending the upper trolley frame and the middle trolley frame. A screw nut pair is used for overturning the upper trolley frame. A horizontal guide rail and a rolling bearing are used for horizontally moving the sliding carrying plates which are used for flexibly transferring a patient. The mechanical patient transferring trolley is flexible and convenient to operate, small in number of nursing personnel, needless of greatly moving the patient and capable of avoiding secondary injury in the patient transferring process and has the advantages of being simple in structure, low in cost, convenient to maintain, stable in operation and low in noise.

The invention discloses a slicing device capable of adjusting the thickness. Spring sets are arranged among a plurality of cutter bases. The cutter bases located at the two ends are connected with a thickness adjusting device through pull ropes. The cutter bases are fixedly provided with blades through connecting screws, and the cutter bases are further connected with a reciprocating lifting driving device. Material base plates are arranged at the positions opposite to the blades. In the thickness adjusting device, lead screws are borne on bearing bases fixedly arranged on an adjusting base, nuts are in threaded connection with the lead screws, and the nuts are fixedly connected with the pull ropes. The lead screws are provided with adjusting heads or motors used for driving the lead screws to rotate. According to the slicing device capable of adjusting the thickness, the distance among the blades can be conveniently adjusted by arranging the thickness adjusting device, and therefore the thickness of cut materials can be adjusted.

The invention relates to the technical field of molten iron transfer, in particular to a transfer system of molten iron. The system comprises a front furnace transfer rail, a plurality of melting furnaces are arranged on one side of the front furnace transfer rail along the length direction of the furnace front transfer rail, the other side is provided with a plurality of middle transfer rails which are arranged to be perpendicular to the the furnace front transfer rail, and at least one front transfer trolley used for receiving the molten iron in the melting furnaces is arranged on the frontfurnace transfer rail; middle transfer trolleys are arranged on the middle transfer rails, spheroidizing stations are arranged at the tail ends of the middle transfer rails, the spheroidizing stationsare connected with lifting tilting turning rails, and the tail ends of the lifting tilting turning rails are provided with ground rotation rails; and the ground rotating rails are connected with casting rails, casting machines are arranged at the tail ends of the casting rails, lifting tilting turning trolleys are arranged on the lifting tilting turning rails. The lifting tilting turning trolleysare used for receiving casting ladles in the spheroidizing stations, and the lifting tilting turning trolleys are used for travelling on the lifting tilting turning rails, the ground rotation rails and the casting rails to transfer the molten iron in the casting ladles into the casting machines.

The invention discloses a liftable shelf for logistics storage, which comprises a base, and the tops of both ends of the base are respectively fixed with a first support column and a second support column arranged vertically, and the first support column and the second support column A vertically arranged rack and a slide bar are respectively fixedly installed in the support column, and a mounting plate is slidably installed on the slide bar, and a horizontally arranged connecting rod is arranged between the two mounting plates, and the connecting rod is covered with There is a horizontally set cargo board, and a gear is installed on the installation board, and the gear meshes with the rack. The bottom of the cargo board is provided with an installation groove, and two horizontally arranged limiters are installed slidingly on both sides of the inner wall of the installation groove. The bottom of the limit rod is fixedly connected with a compression rod, and the bottom of the compression rod is slidably connected with a vertically arranged pressing rod. The invention realizes the lifting of the shelf, not only realizes the placement of goods of different heights, but also facilitates the taking of the goods, the lifting adjustment is simple and convenient, the structure is stable, and it is easy to popularize.

The invention discloses a pipe cutting and welding all-in-one machine. A clamping chuck is arranged on the end face of a driving headstock and connected with a rotary servo motor driving the clamping chuck to rotate. A plurality of movable lifting brackets are mounted on a fixed base. Each movable lifting bracket comprises a movable lifting base, a lifting riding wheel fixed to the movable lifting base, a traveling driving motor driving the movable lifting base to move along a linear guide rail, and a lifting driving motor driving the lifting riding wheel to move vertically. A cutting assembly comprises a cutting head supporting plate and a cutting head fixed to the cutting head supporting plate. A welding assembly comprises a welding gun head supporting plate and a welding gun head which is fixed to the welding gun head supporting plate. The cutting head supporting plate and the welding gun head supporting plate are both arranged on a movable sliding base and can move along the movable sliding base. The pipe cutting and welding all-in-one machine is suitable for pipes with different diameters and different lengths, a main pipe and a branch pipe can be welded together, two main pipes can also be welded together, and the applicability is high.

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 system and method for high-speed railway subgrade settlement restoration. The system comprises at least eight lifting components, at least eight hydraulic lifting devices, a hydraulic distribution device, an automatic control system and a grouting device, wherein the at least eight lifting components are arranged at preset lifting points on a base plate, and every lifting component comprises a connecting part and a lifting part; every hydraulic lifting device is arranged between a high-speed railway subgrade and the lifting part of the lifting component; the hydraulic distribution device is connected with every hydraulic lifting device through hydraulic pipelines; the automatic control system controls the hydraulic distribution device to provide preset hydraulic pressure for every hydraulic lifting device so as to lift the base plate to a preset height of the high-speed railway subgrade; and the grouting device pours slurry in gaps formed between the base plate and the high-speed railway subgrade through slurry pipelines so as to support the base plate after the slurry is solidified. The invention further provides a method for track plate and base plate integrated lifting type high-speed railway subgrade settlement restoration.

The invention discloses a sewage purification device for coal mine processing, and belongs to the technical field of sewage purification equipment. The sewage purification device for coal mine processing includes a coal block filter removing mechanism, a filter box, a sedimentation box, an infusion pump and a coal granule flocculation mechanism, wherein the coal granule flocculation mechanism includes an intermittent material feeding component, a floc removal component and a collection bucket which is arranged on the side wall of the sedimentation box, the floc removal component includes a gantry, a lifting part and a lifting box, and multiple water outlets are formed in the lifting box; and the lifting component is arranged on the top of the gantry, a material scraping brush is arranged on each side of the lifting box, and a material scraping brush cleaning component is arranged below the gantry. Flocculation of coal particles into dense floc and pouring of impurities into the collection bucket can be achieved through the coal granule flocculation mechanism, impurities and coal blocks in coal mine wastewater can be filtered out through the coal block filter removing mechanism, andvibration operation of a filter grille and an activated carbon filter screen can be realized under the action of a reciprocating vibration component.

The invention belongs to the field of household garbage pre-treatment, and particularly relates to environmental protection and deodorization equipment for a household garbage transfer station. The environmental protection and deodorization equipment for the household garbage transfer station can purify odor, facilitate garbage disposal, and prevent microorganism from breeding, and comprises a base, a fixed plate, a top plate, rotating shafts, fixed links, a garbage can, a lifting device, a gas-collecting hood, an odor treatment device, an exhaust fan, and the like; and the fixed plate is arranged on the left side of the top of the base, a square groove is formed in the middle portion of the fixed plate, the fixed links are arranged on the front side and the back side of the middle portion of the right wall of the fixed plate correspondingly, and the rotating shafts are arranged on the middle portions of the two fixed links correspondingly. The environmental protection and deodorization equipment for the household garbage transfer station achieves the effects of purifying the odor, facilitating garbage disposal, and preventing the microorganism from breeding, and is novel in structure, environment-friendly, and beneficial to the construction of urban and rural garbage transfer stations.

The invention provides a portable bricklaying robot capable of being disassembled and assembled. The portable bricklaying robot comprises a lifting aerial ladder, a rotary pedestal, a liftable machine body and a top bricklaying module which are sequentially connected and capable of being singly disassembled and assembled. The rotary pedestal comprises a base, a first drive device, a gear set and a rotary supporting disc which are connected with one another. The liftable machine body comprises a second drive device, a first lead screw, a longitudinal guide rail structure and a plurality of first fixing plates. The top bricklaying module comprises a supporting plate and further comprises a plurality of second fixing plates, a second lead screw, a transverse guide rail mechanism, a third drive mechanism, a rotary grabbing device and a fourth drive device which are fixed to the supporting plate. The supporting plate is provided with a guide rail groove, a sliding plate fixing plate and a hole groove matched with the first lead screw. The portable bricklaying robot capable of being disassembled and assembled is simple in structure, easy to disassemble and assemble, liftable, low in weight, large in bricklaying weight and range which are capable of being achieved and good in grabbing effect.

The invention discloses a display device for visual communication design, and relates to the technical field of display devices. The display device comprises a bottom plate, the bottom plate is provided with a platform, a display mechanism is mounted on the platform and comprises a plurality of circumferentially-distributed display plates, a threaded pipe is mounted at the center of the platform in a lifting mode, connecting rods slidably connected with the platform are fixed to the other ends of the display plates, and clamping mechanisms are arranged on the display plates. According to the display device, exhibits are supported through the arranged display plates, through rotating of the platform, the omni-directional display effect of circumferential rotating of the exhibits is achieved, an additionally-arranged servo motor can drive a threaded rod to rotate, height lifting of the threaded pipe is achieved, the display angles of the display plates are adjusted, the adjusting process is stable and efficient, through the arranged clamping mechanisms, the display device can adapt to the different exhibits, the great clamping and stabilizing effects are achieved, the multiple arranged display plates are used for storing and supporting the exhibits, and the display number of the exhibits displayed once is improved.

The invention discloses a mid-set switch loading and unloading truck. A hydraulic pressure elevating mechanism is arranged on a wheel-mounted automotive chassis; a wheel carrier is connected with the load bearing end of the hydraulic pressure elevating mechanism; a supporting wheel is arranged on the wheel carrier; one end of a traction belt born on the supporting wheel is fixed with the automotive chassis; the other end of the traction belt is connected with an erector; a hoist frame is connected with the elector; a hanging mechanism is connected with the front ends of a pair of horizontal-shaped erector arms arranged on the hoist frame; a pair of adjustable supporting assemblies is connected with the lower part of the hoist frame; the hanging mechanism is connected with the dedicated handling hole on the mid-set switch; the hydraulic pressure elevating mechanism drives the erector and the hoist frame to realize that the mid-set switch drops off from a dedicated handcart platform or is uplifted to the platform. The mid-set switch loading and unloading truck of the invention has reasonable structure and convenient use, can greatly lighten the labor intensity, improve the working efficiency, and can greatly avoid the safety risks of carrying, and is desired maintenance assistant equipment for electrical maintenance departments.

The invention discloses a rotatable lifting device for construction engineering, which relates to the technical field of construction industry equipment and aims to solve the problem in the prior art that a dangerous section of a hydraulic rod is easily broken due to stress concentration during the transfer process of building materials; it includes a hydraulic Rods, connecting rods, support rods, pillars, rotating discs, chassis and clamping devices for clamping construction materials, and also include lifting locking mechanisms, including pulley assemblies, wire ropes, winches, lead screws and for The driving assembly that drives the screw to rotate. The screw is fixedly connected to the winch and is threaded through the axis of the pillar vertically, and the rotation center line of the winch is perpendicular to the axis of the pillar. Tight on the winch. By implementing the technical solution, the gravity of the building material is dispersed at each stress point of the pulley assembly, avoiding the problem that the dangerous section of the hydraulic rod is easily broken due to stress concentration, and improving the safety factor.

The invention relates to a high polymer grouting method for lifting a ballastless track of a high speed railway. The method comprises the following steps that (1) grouting holes are drilled; (2) geotextile bags are manufactured, and in addition, the geotextile bags and grouting pipes are bound; (3) the geotextile bags are tied up; (4) the geotextile bags are placed; (5) the grouting is carried out in the geotextile bags; (6) the track is lifted; (7) the grouting is filled; and (8) the lifting quantity is monitored: a laser gradienter is used for monitoring the vertical lifting height in real time, and the grouting stops when the lifting requirement is reached. The method has the advantages of high speed, little damage, light weight, high tenacity, economy, endurance and the like, the lifting of the ballastless track of the high speed railway can be fast realized, and a novel, advanced, efficient, economic and practical method is provided for the subgrade settlement repair of a high-speed rail. The method is successfully applied to multiple ballastless track lifting projects, and huge economic and social benefits and wide development and application prospects are realized.

The invention discloses turning and lifting integrated equipment used for recycling and disassembling a scraped car. The turning and lifting integrated equipment comprises a ground lifting platform which is connected with a turning device, wherein the turning device comprises a supporting base provided with a first motor and a fixing arm, the first motor is connected with a worm which is driven to rotate by the first motor, the fixing arm is hinged to a worm wheel through a rotary shaft, the worm wheel is matched with the worm, and the rotary shaft is further fixedly connected with a clamping mechanism used for clamping the scraped car. The turning and lifting integrated equipment integrates the functions of conveying, turning and lifting of the scraped car, work of a plurality of disassembly positions is integrated to one position, the number of the positions is reduced, site space is saved, and therefore the whole disassembly line is more compact, cost is reduced, and efficiency is improved.

The invention belongs to the technical field of student study desks, and particularly relates to a study desk capable of automatically adjusting desktop angle and height. The study desk adopts the technical scheme that the study desk consists of three parts, i.e., a desktop fine adjusting mechanism, two lifting mechanisms and an adjusting control module, wherein the desktop fine adjusting mechanism is arranged on the lifting mechanisms; the adjusting control module is arranged under the lifting mechanisms, is positioned on one plane together with a bottom plate, and is positioned between two slide groove table legs. The study desk capable of automatically adjusting the desktop angle and height has the advantages that the positive rotating and reverse rotating can be realized, so as to lift the desktop; compared with the prior art, the structure is simple, the safety property is high, the performance-price ratio is high, the market prospect is broad, and the study desk is suitable for common primary and secondary school students.

The invention discloses a shear-fork type lifting platform with wheel train transmission. The shear-fork type lifting platform comprises a base, wherein a driving unit and two parallel shear-fork type units are arranged on the base, and the lower ends of the two shear-fork type units are fixedly connected with two parallel driving rods; the driving rods are rotationally connected with a lower connecting piece fixed on the base, and the upper ends of the shear-fork type units are rotationally connected with the lower surface of a working platform; the driving unit is connected with the two driving rods and used for driving the driving rods to synchronously relatively rotate. According to the shear-fork type lifting platform, under the driving of a driving motor, a driving wheel and a driven wheel keep synchronous relative rotation, the driving rods are driven to rotate, the lifting motion of the shear-fork type unit is realized, and therefore the lifting motion of the working platform is realized. The working stroke is greatly increased, and the unnecessary space is reduced. Meanwhile, the torque is increased, and the working load of the working platform is improved.