589results about How to "Lifting and moving smoothly" patented technology

The invention is applicable to the field of air purifiers and discloses a purifier lifting head structure and an air purifier. The purifier lifting head structure comprises a lifting head component for sealing or opening an air outlet and a power component for driving the lifting head component to rise and descend. The power component comprises a guide fixing plate, a lifting member snapped and inserted on the guide fixing plate in a sliding mode and a power mechanism which is arranged below the guide fixing plate to drive the lifting member to rise and descend. The top end of the lifting member is snapped above the guide fixing plate and in fastening connection with the lifting head component. The bottom end of the lifting member penetrates and extends to the lower portion of the guide fixing plate and is in transmission connection with the power mechanism. By means of the lifting head structure and the air purifier, external impurities such as dust and the like are prevented from being stacked at an air outlet or entering the air purifier from the air outlet when the air purifier is in idle, the purifying effect of the air purifier is guaranteed sufficiently, and the lifting head component and lifting member lifting stability is guaranteed due to the guide action of the guide fixing plate.

The invention discloses a lime slurry smearing device for trees, and relates to the technical field of tree maintenance. The lime slurry smearing device for trees includes a base, wherein a lime slurry containing bucket is arranged on the base; a support frame is arranged at the front portion of the base; a support plate is slidably connected with the support frame; a first motor is arranged on the support plate; the output end of the first motor is provided with a gear; the front end of the support plate is provided with a curved plate; the curved plate is provided with a curved sliding rail;the inside of the curved sliding rail is slidably connected with a curved slider; the ends of the curved slider are provided with two spaying heads; the spray heads are connected with the lime slurrycontaining bucket; a rack is arranged on the upper portion of the outer wall of the curved slider; and the rack meshes with the gear. The lime slurry smearing device for trees has the beneficial effect that the lime slurry can be quickly smeared on the trees without dead angle.

The invention discloses a perforating device convenient for a bridge building to use. The perforating device comprises a U-shaped plate. Sliding grooves are formed in the two sides of the inner wall of the U-shaped plate. The tops and the bottoms of the inner walls of the sliding walls are connected through sliding rods. The sliding rods are sleeved with sliding blocks connected to the interior of the sliding grooves in a sliding mode. Damping springs are connected to the portion, above the sliding blocks, on the sliding rods in a sleeving mode. The two ends of the damping springs are fixedly connected with the tops of the inner walls of the sliding grooves and the tops of the sliding blocks respectively. The opposite sides of the two sliding blocks are connected through a sliding plate. A stretchable air cylinder is fixedly connected to the top of the inner wall of the U-shaped plate. According to the perforating device convenient for the bridge building to use, by improving a drill bit, when the stretchable air cylinder is started, the sliding plate can be pushed to move up or down, by cooperation use of the sliding rods inside the sliding grooves, the sliding blocks can drive the sliding plate to stably move up and down, and therefore the sliding plate can push a drill rod on a motor to stably move up or down, and the drill rod can be retracted into or stretch out of the U-shaped plate.

The invention relates to a stable gantry crane with an anti-falling function. The stable gantry crane comprises a cross beam, a translation mechanism, a translation block, a lifting mechanism, a connecting mechanism, a processor and two supporting columns. The connecting mechanism comprises a sliding plate, a rope, a lifting hook, two sliding rings and two clamping plates, and the lifting mechanism comprises a lifting box, a rotating assembly, a roller and two protection assemblies, wherein the rotating assembly, the roller and the two protecting assemblies are arranged in the lifting box, andeach protecting assembly comprises an electromagnet, an iron plate, a clamping block, two telescopic units and a plurality of side rods. According to the stable gantry crane with the anti-falling function, stable lifting and moving of cargoes can be realized through the connecting mechanism, and therefore the cargoes can be prevented from shaking due to wind blowing in the carrying process; moreover, in the cargo lifting process, when the equipment is suddenly powered off, the protection assemblies can be used for clamping the side rods and fixing the angle of the roller, and cargo falling caused by continuous rope loosening is prevented; and the safety and reliability of the equipment operation are enhanced, and the practicability of the equipment is improved.

The invention relates to a full-automatic stainless steel ring welding machine. Previous copper welding is replaced by laser welding; waste of welding materials is avoided during welding; welded positions of a steel ring are flat; the quantity of consumed materials is small; due to extremely high steel belt feeding requirements of laser welding, steel belt driving and steel belt guiding devices and cutting devices are also correspondingly improved. For example, rubber wheels and steel wheels cooperate so that material feeding accuracy is increased; the friction force is extremely large when all wheels are the rubber wheels, and skidding is prone to occur when all wheels are the steel wheels; a stay wire encoder is designed for performing frequency conversion on a material storage driving motor so as to control the rotating speed of the motor and stable material storage is achieved; a steel belt can pull a sliding block to move upwards when operating quickly, and the rotating speed of the material storage driving motor is correspondingly increased; besides, multiple groups of steel belt guiding devices adopt servo motors for transmission in order to increase transfer accuracy, and cutting heads, winding mechanisms and welding structures are correspondingly improved.

The invention belongs to the technical field of medical apparatuses, and in particular relates to a rehabilitation training device applied after a breast cancer operation. The rehabilitation trainingdevice comprises a square shell, a lifting component, a rocker component, a lifting platform and a wall climbing ruler, wherein a shelf plate is arranged in the middle of the shell; the wall climbingruler is arranged at the right side of the shell; the lifting platform is arranged at the bottom of the front side of the shell; the rocker component is arranged at the left side of the shell; the lifting component comprises an inner water tank, an outer water tank, a pulley A, a pulley B, a pulley C, a pull rope and a lifting rod; the inner water tank is arranged at the top of the shelf plate, and the lifting rod is connected to the front side of the inner water tank; the pulley A is arranged in the center of the top of the shell; the pulley B is arranged at the top of the front side of the shell; the pulley C is arranged at the lower end of the front side of the shell; one end of the pull rope is fixedly connected to the top of the inner water tank and the other end sequentially spans over the top of the pulley A, the top of the pulley B and the rear side of the pulley C; and the outer water tank is arranged at the back side of the shell. The rehabilitation training device provided by the invention, after a patient is discharged from a hospital, can assist the patient in completing affected-side upper limb function training after the operation, and the patient can independently adjust the weight of loads without barrier; therefore, the rehabilitation training device is convenient and effective.

The invention provides an iron rod rust removal device for hardware production, and relates to the field of hardware machining. The iron rod rust removal device comprises a base. Supporting columns are fixedly mounted on the two sides of the top of the base. A top beam is fixedly mounted at the tops of the supporting columns. A sealing box is fixedly mounted in the middle of the top of an inner cavity of the base. A clamp motor is fixedly mounted in the sealing box. A clamp shaft is arranged at the top of the clamp motor. The clamp shaft penetrates through the base and extends to the upper portion of the base. A clamp is fixedly mounted at the top of the clamp shaft. Four semicircular grooves are formed on the outer side of the clamp. According to the iron rod rust removal device for hardware production, the round clamp is arranged to cooperate with the four semicircular grooves, the rust removal device can carry out rust removal on four iron rods at the same time, the work efficiencyis greatly improved, and the production requirements of enterprises can be effectively met; and the clamp shaft is arranged to cooperate with drive of the clamp motor, the clamp can rotate, and four iron rod raw materials can be subjected to rust removal at the same time.

The invention relates to crushing equipment, in particular to crushing equipment for rare earth ore detection. The crushing equipment for rare earth ore detection aims to achieve the effects that rareearth ore can be automatically crushed, and the crushing efficiency can be improved. According to the technical scheme, the crushing equipment for rare earth ore dection comprises a bottom plate, a first sliding rail, first sliding blocks, a transverse plate, a placing frame, a crushing frame, a first baffle, a mesh plate, a mounting rod and the like, wherein the first sliding rail is arranged onthe right side of the top of the bottom plate in a front-back symmetry mode, the two first sliding blocks are connected to the first sliding rail in a sliding mode, and the top of the front first sliding block and the top of the back first sliding block are connected with the transverse plate. According to the crushing equipment, a pressing plate moves up and down so that crushing teeth can be used for crushing the rare earth ore on the mesh plate; the crushing frame moves left and right, so that the crushed rare earth ore falls to the inner bottom of the crushing frame; and a steel ball cooperates with knocking plates, so that the crushing frame vibrates, then the crushed rare earth ore can fall to the inner bottom of the crushing frame more effectively, and then the crushing efficiencycan be improved.

The invention discloses a sewage residue filtering device which comprises a box. Left and right side faces of the box are fixedly connected with opposite faces of two supporting rods respectively, thetop end of each supporting rod is fixedly connected with the lower surface of a carrying plate, the upper surface of the carrying plate is fixedly connected with the bottom end of a fixing rod, the top end of the fixing rod is fixedly connected with the lower surface of a driving device, and the front of the driving device is fixedly connected with the back of a first connecting rod. Through mutual cooperation of a water extraction pump, a sewage tank, a water extraction pipe, a water outgoing pipe, the box, a filtering tank, a filtering plate, a traction rope, a motor, a turnplate, a first connection rod, a second connection rod, a squeezing block, a squeezing plate, a first extensible rod, a first spring, a traction rope, a filtering plate, a water outgoing hole and a water storage tank, working personnel does not need to wait for precipitation of residue in sewage, and working efficiency of the working personnel is improved.

The invention discloses an anti-falling device for an elevator. The anti-falling device for the elevator comprises a base, a first anti-falling mechanism, a cover frame, a second anti-falling mechanism and winding drums; a first belt wheel is connected to a second belt wheel through a transmission belt; a transmission shaft penetrates through the second anti-falling mechanism; the winding drums are connected to the front end and the rear end of the transmission shaft; a lifting rope is wound around the outer side of each winding drum; the lifting ropes bypass fixed pulleys to be connected withtension sensors; the tension sensors are fixed to the left side and the right side of the upper end face of a bearing plate through fasteners; and the tension sensors are located on the outer sides of the limiting plates. According to the anti-falling device for the elevator, after the lifting ropes lift the bearing plate, the tension sensors start to work; when the lifting rope is accidentally broken, the tension value detected by the corresponding tension sensor is zero; and at the moment, a movable block moves under the extension effect of a first piston rod, and a second clamping block moves along with the movable block and are connected to a first clamping block in a clamped mode, so that the bearing plate can be conveniently fixed in time, and the inclining or falling of the bearingplate can be avoided.

The invention provides cargo loading and unloading crane equipment special for railway transportation. The equipment comprises a base, a lifting box is installed at the top of the base, a first motoris installed at the bottom of an inner cavity of the lifting box, a roller bearing is mounted on an output shaft at the top of the first motor, a rotating rod is connected with the interior of the roller bearing, driving bevel gears are mounted on the two sides of the rotating rod, and first screw rods are movably connected to the interior of the lifting box. According to the cargo loading and unloading crane equipment special for railway transportation, the rotating rod is driven by the first motor to rotate, so that the two driving bevel gears rotate to drive driven bevel gears to rotate, the two first screws rods rotate simultaneously, a lifting plate can move up and down, the height of a clamping jaw can be adjusted conveniently, and loading and unloading are facilitated; a worm is driven to rotate through a third motor, a threaded rod is driven to rotate, and therefore a movable block can move up and down on the surface of the threaded rod; and a second sliding rod is arranged, sothat the movable block moves up and down stably, the angle of a steel rope box is convenient to adjust, and the clamping jaw can conveniently perform clamping and carrying.

The invention relates to the technical field of filtering devices and particularly relates to a honey filtering device. The honey filtering device comprises a motor and a box body, wherein a primary filtering net and a secondary filtering net are arranged in the box body sequentially from top to bottom; the meshes of the primary filtering net are larger than those of the secondary filtering net; the primary filtering net and the secondary filtering net divide the box body into a primary filtering chamber, a secondary filtering chamber and a product chamber from top to bottom; a feed port is formed in the primary filtering chamber; a stirring blade and a heater are arranged in the primary filtering chamber; the primary filtering net is rotatably connected with the box body; a reciprocating mechanism and a rotation mechanism are arranged in the secondary filtering chamber; the stirring blade, the primary filtering net and the reciprocating mechanism are all connected with an output shaft of the motor; the reciprocating mechanism is in slip connection with the box body; the rotation mechanism is connected with the reciprocating mechanism and used for enabling the secondary filtering net to move up and down; a discharge port is formed in the product chamber. According to the technical scheme, the filtering nets are not blocked easily, the honey filtering effect can be improved, the device is convenient for cleaning, and the honey processing quality is improved.

The invention discloses an auxiliary concrete prefabricated mold safety demolding device. The auxiliary concrete prefabricated mold safety demolding device comprises a lower support plate, a hydraulicdevice, a first electric telescopic rod and a second electric telescopic rod, wherein the hydraulic device and a lower supporting rod are fixed to the upper side of the lower supporting plate, an upper supporting plate is connected to the upper end of the hydraulic device and the upper end of the lower supporting rod, an upper supporting rod is fixed to the upper side of the upper supporting plate, a fixing base is fixed to the upper end of the upper supporting rod, a reinforcing ring is fixed to the outer side of the fixing base, the first electric telescopic rod is connected inside the reinforcing ring, a stabilizing rod is arranged on the outer side of the reinforcing ring, and a movable plate is connected to the outer side of the stabilizing rod. The auxiliary concrete prefabricated mold safety demolding device is provided with a control shell and a knocking hammer, so that demolding work can be assisted, the side edges of the mold are blown through a high-pressure air nozzle, theseparation and demolding work of concrete products in the mold can be accelerated, and the demolding efficiency is effectively increased.

The invention discloses a convenient-to-maintain high-low voltage power distribution cabinet with heat dissipation and bunching functions, and the cabinet comprises a cabinet body, a driving mechanism, a bunching plate and heat dissipation mechanisms; heat dissipation mechanisms are arranged on the left and right sides of the cabinet body, the driving mechanism is arranged on the upper surface ofthe cabinet body, and two ends of the driving mechanism are fixedly connected with one ends of the two heat dissipation mechanisms respectively. A bunching plate is arranged in the cabinet body. According to the device, the driving mechanism is arranged, the first motor can drive one first gear to rotate during working, the two first gears can rotate at the same time under the meshing effect, at the moment, one end of the fixing rope can be pulled to move under the effect of the pin shaft, and finally air pushes away the first blocking piece to be exhausted; external cold air can enter the cabinet body to achieve the purpose of cooling the cabinet body, a large amount of dust cannot be sucked into the cabinet body, a fan cannot be installed to avoid aggravation of heat generation, and through arrangement of a sliding block and a sliding groove, a connecting plate can stably move along a track.

The invention discloses an energy-saving and environment-friendly solar street lamp. The energy-saving and environment-friendly solar street lamp comprises a supporting plate, wherein a first slidinggroove is formed in the upper surface of the supporting plate, a first sliding block is slidably connected in the first sliding groove, a first connecting block is fixedly connected to the upper surface of the first sliding block, the front surface of the first connecting block is hinged to the lower portion of the back surface of a first connecting plate through a first pin shaft, and the upper portion of the back surface of the first connecting plate is hinged to the front surface of a second connecting block through a second pin shaft. According to the energy-saving and environment-friendlysolar street lamp, a motor is arranged, an output shaft of the motor rotates to drive a first bevel gear to rotate, the first bevel gear drives a second bevel gear to rotate, the second bevel gear drives a threaded rod to rotate, and the threaded rod rotates to drive a threaded cap to move left or right, so that the angle of the solar panel is adjusted, the lighting rate of the solar panel is increased, the photoelectric conversion efficiency of the solar panel is improved, and convenience is brought to people when the solar street lamp is used.

The invention belongs to the technical field of machining, and relates to machining equipment with a turnover clamping mechanism. The machining equipment comprises a bottom plate, a first groove is formed in the top of the bottom plate, a double-shaft motor is fixedly connected to the bottom of the inner wall of the first groove, and two output shafts of the double-shaft motor are fixedly connected with a first lead screw and a second lead screw correspondingly. The machining equipment with the turnover clamping mechanism has the beneficial effects that a third motor in a driving assembly works, a driving gear and a driven gear can be driven to rotate in a meshed mode, then a fourth rotating shaft can be driven to rotate, the purpose of driving a containing table to rotate is achieved, then the purpose of rotating a workpiece on the containing table is achieved, the purpose of adjusting the machining direction of the workpiece is achieved, a clamping assembly can be driven to rotate through work of a second motor, the workpiece clamped by the clamping assembly can be driven to rotate by means of running fit of a third bearing and a third rotating shaft, and the purpose of overturning machining of the workpiece is achieved.

The invention discloses a height adjustable horizontal bar for sports, comprising a pillar, wherein the inner cavity of the pillar is provided with a vertical rod, the top end of the vertical rod penetrates the pillar and extends to the outer part of the pillar and is fixedly connected with a transverse rod, the two sides of the vertical rod are fixedly connected with sliding sleeves, the inner cavity of the sliding sleeve is fixedly connected with the sliding rod, and the upper and lower ends of the sliding rod are welded with the inner wall of the pillar. In accordance with that present invention, vertical bar, sliding sleeve, rack, first gear, second gear, Rotating rod, bearing housing, Setting of swing lever and swing handle. The height of the horizontal bar for sports can be adjustedby manual rotation of the swing handle, so that the height of the horizontal bar can be adjusted, and at the same time, the problem that most of the traditional horizontal bars for sports are fixed structure, and the height is not adjustable, so that the students with large height difference are easy to cause arm injury when using the horizontal bar, and the safety hidden danger is caused.

The invention discloses an automatic lift type drug pressing device which comprises a pressing machine and a drug pressing die, wherein the pressing machine comprises an upper pressing block and a lower pressing block; the drug pressing die is arranged between the upper pressing block and the lower pressing block; a mechanical arm enabling the drug pressing die to move along the upper pressing block is connected between the upper pressing block and the drug pressing die; the upper end of the mechanical arm is fixedly connected with the upper pressing block; a slide is arranged on the mechanical arm along the vertical direction; the upper end of the slide is close to the bottom surface of the upper pressing block, and the lower end of the slide is close to the lower end of the mechanical arm; a support lug capable of moving along the slide is arranged at the lower end of the slide, and the support lug is fixedly connected with a die sleeve of the drug pressing die; and the length of the slide is greater than or equal to the height of an upper cushion block of the drug pressing die and less than or equal to the sum of the stroke of the upper pressing block and the height of a die retreating seat of the drug pressing die. According to the device disclosed by the invention, the labor cost is saved, and the reliability of safe production is improved.

The invention discloses a lifting assembly mechanism for graphite boat loading and unloading wafers. The lifting assembly mechanism comprises a base, wherein support upright posts are symmetrically arranged on the top surface of the base; a lifting guide groove is formed in each support upright post; a lifting mechanism is movably connected with the inside of each lifting guide groove; a screw and auxiliary guide rods are arranged in each lifting guide groove; a synchronous motor is arranged at the bottom of each screw; positioning clamping grooves are formed in the top surface of the base; a mobile slide groove is formed in the side of the top surface of each positioning clamping groove; a support guide block is arranged in each mobile slide groove; boosters are arranged at two sides of each mobile slide groove and are connected with each support guide block through a first boosting block; each support guide block is rotationally connected with an assembly mechanism; and a damping device is arranged at the bottom of the base. The lifting assembly mechanism is simple in structure and high in practicability, and can meet the assembly requirements of the graphite boat loading and unloading wafers with different shapes and sizes; the assembly accuracy and quality of the loading and unloading wafers can be improved; the production technology is simplified; and the assembly efficiency is improved.

The invention discloses an aloft containing and taking device and method for aloft test wires of a power system. The device comprises an insulation rod, a clamping mechanism located at one end of the insulation rod and an automatic loosening mechanism which is arranged at one end of the insulation rod and used for controlling the clamping mechanism to be opened. An insulation column body guide mechanism comprises a magnet and a magnetizer, the magnet is located at the lower end of an insulation column body and is of a conical structure, the magnet is arranged in the insulation rod, is matched with the conical structure and is provided with a conical cavity, and the magnetizer is arranged in the insulation column body. According to the guide mechanism, the insulation column body can be smoothly and rapidly inserted into the insulation rod, time and labor are saved, and the containing and taking efficiency is high.

The invention discloses a lifting double-rotation positioner, and relates to the technical field of positioners. The lifting double-rotation positioner comprises a bottom plate, side plates are fixedly connected to the left and right sides of the upper surface of the bottom plate, a first bearing is connected to the left side face of the side plate on the left side in a clamped mode, a first rotating shaft is sleeved with the first bearing, a threaded rod is fixedly connected to the right end of the first rotating shaft, and a first auxiliary device is fixedly connected to the right end of thethreaded rod. According to the lifting double-rotation positioner, by arranging a handle, the handle rotates forward to drive the first rotating shaft to rotate, the first rotating shaft drives the threaded rod to rotate, the rotation of the threaded rod in a threaded cap drives the threaded cap to move to the right, the movement of the threaded cap to the right drives a first connecting block tomove to the right, so that a movable plate can move upwards, and thus the position of a positioner body can be adjusted; and the position of the positioner body can be adjusted according to the welding demands of people, and convenience is brought to people when welding is performed.

The invention discloses an assembled building material transporting vehicle for construction site, Including bottom plate, the upper surface of the bottom plate is fixedly connected with the lower surface of the box body, A low surface of that inner wall of the box body is fixedly connecte with two fixing plates, The output shaft of the motor is fixedly connected with the bottom end of the liftingdevice, the top end of the lifting device is fixedly connected with the lower surface of the support plate, and the lower surface of the support plate is fixedly connected with the lower surface of the inner wall of the box body through two telescopic devices. The site is equipped with an assembled building material transporter, Through the mutual cooperation between the bottom plate, the box body, the motor, the threaded column, the threaded cylinder, the telescopic rod, the spring, the second slider, the second sliding groove, the first splint, the connecting plate, the electric push rod, the hinge, the cover plate and the handle, the assembled building material is conveniently taken out by the worker, thereby bringing convenience to the work of the worker and reducing the work intensity of the worker.

The invention discloses a punching and fertilizing integration machine for a garden. The punching and fertilizing integration machine comprises a base, a mixing bucket, stirring blades, a connecting column, through holes, telescopic rods, slide blocks and a control box; pushing handles and supports are fixed to the two sides of the base, the supports are fixed between the pushing handles, the mixing bucket is fixed to the supports, a feeding port is formed in the mixing bucket, and the upper side of the mixing bucket is fixedly provided with a first motor and a driving belt pulley; the first motor is connected with the driving belt pulley, the driving belt pulley is connected with a driven belt pulley through a belt, and rotary shafts are arranged at the lower ends of the driving belt pulley and the driven belt pulley. The punching and fertilizing integration machine for the garden integrates the two steps of punching and fertilizing, and the integration machine can be pushed to move simply through the pushing handles; meanwhile, a drill drives the connecting column to rotate, in the punching process, fertilizer is scattered through through holes in the connecting column, and underthe effect of centrifugal force, the fertilizer can be more uniformly and dispersively scattered into soil, the particles of the scattered fertilizer are smaller, and thus the fertilizer is conveniently fused with the soil.

The invention discloses a wear-resistant cable fixing hanger, comprising a first horizontal plate. The two sides of the bottom of the first horizontal plate are fixedly connected with fixing mechanisms. First sliding bars are fixedly connected to both sides of the top of the first horizontal plate. By means of the cooperation of the first horizontal plate, fixing mechanisms, a first fixing plate,a first screw, a second fixing plate, a third fixing plate, a second screw, the first sliding bars, a second horizontal plate, an adjusting mechanism, a bearing, a lead screw, a nut, a rotating disc,an engagement box, a fixing rod, a second sliding bar, a first fixing block, a driving rod, a second fixing block, a slide block, a third sliding bar, an engagement block, a first clamping block and asecond clamping block, the wear-resistant cable fixing hanger solves the problem that it is inconvenient for an existing fixing hanger to fix a cable, and the cable is easy to move after fixed, thereby causing inconvenience in cable fixation. The wear-resistant cable fixing hanger can achieve good convenience in fixation, and is improved in practicability.

The invention provides an automatic telescopic movable platform vehicle. A movable crawling ladder of an existing railway carrier vehicle wastes time and labor and is not convenient to use. The automatic telescopic movable platform vehicle comprises an extension ladder component (1) and a special electric vehicle (4). The two ends of the extension ladder component (1) are installed on eight guidedevice components (7) arranged in parallel front and back. The extension ladder component is connected with a telescopic transmission device (8). The lower portions of the guide device components arefixedly connected with a support component (5). A swinging ladder component (2) is installed at the front end of the support component. Both the telescopic transmission device and the support component are installed on the special electric vehicle. The swinging ladder component and a swinging ladder lifting mechanism component (3) are connected. The swinging ladder lifting mechanism component is installed at the front end of the special electric vehicle.

The invention discloses an air purifier convenient to move. The air purifier convenient to move comprises a purifier body. A base is fixedly connected to the bottom surface of the purifier body. The bottom surface of the base is provided with a groove. A lifting plate is arranged in the groove. The upper surface of the lifting plate is fixedly connected with a first connecting block. The internaltop wall of the groove is fixedly connected with a second connecting block. The upper surface of the lifting plate is fixedly connected with a first slide rail. The internal top wall of the groove isfixedly connected with a second slide rail. According to the air purifier convenient to move, through cooperation of an electric push rod arranged on the upper surface of the lifting plate, a first sliding block, the first connecting block and the second connecting block, a lifting frame can be stretched in the vertical direction and then push the lifting plate to move downwards, so that rolling wheels fixedly hinged to the bottom end of a connecting frame are moved to the location below the base; the problem that an existing air purifier is inconvenient to move is solved; through handles arranged on the outer side faces of the base, the purifier body can be moved more conveniently.

The invention discloses a multifunctional wall-mounted display device. A fixing assembly, an installing assembly and a display screen body are included. The display screen body is connected with the fixing assembly. The fixing assembly is connected with the installing assembly. The installing assembly comprises an installing piece and an adjusting assembly. The adjusting assembly comprises a leadscrew, a connecting rod, a handle, a first moving piece, second moving pieces, an air cylinder and a telescopic piece. The lead screw is arranged in the installing piece. The upper end of the connecting rod is connected with the lower end of the lead screw, and the lower end of the connecting rod is connected with the handle. One end of the first moving piece is in threaded connection with the lead screw, and the other end of the first moving piece is rotationally connected with the fixing assembly. The two second moving pieces are arranged and are in threaded connection with the lead screw. The two ends of the air cylinder are connected with the upper second moving piece and the fixing assembly correspondingly. The two ends of the telescopic piece are connected with the lower second moving piece and the fixing assembly correspondingly. According to the multifunctional wall-mounted display device, through the arrangement of the lead screw, the first moving piece and the second moving pieces, the height of the display screen body is adjusted; through the arrangement of the air cylinder and the telescopic piece, the angle of the display screen body is adjusted; and meanwhile, the display screen body is convenient to mount and dismount, and device functions are diverse.

The invention discloses an air spring tension testing device which comprises a rack frame. A sliding rail is arranged at the bottom of the rack frame, the two sides of the sliding rail are each provided with a sliding block, hydraulic pumps are transversely installed inside the two side walls of the rack frame respectively, hydraulic rods of the hydraulic pumps are installed on the side faces of the sliding blocks on the corresponding sides, and the hydraulic pumps can push the corresponding sliding blocks to move on the sliding rail. According to the air spring tension testing device, hinge rods are arranged to be of a sleeve type structure, the lifting height and the lifting amplitude of a lifting plate can be effectively adjusted by adjusting the length of the hinge rods, the lifting speed can be adjusted through PLC control, and all the parts can be conveniently adjusted.