95results about How to "Realize lifting operation" patented technology

The invention relates to a lifting net box with an inner liner and a lifting support system of the lifting net box. The invention consists of two parts: the net box with the lifting function and the lifting support system, wherein the net box is provided with the telescopic inner liner and mainly comprises a floating pipe, the inner liner, a separation plate, a ventilation main pipe, a ventilation hose, an air distribution pipe, a water communication pipe, a safety cap and the like, and the lifting support system mainly comprises an air pump, a communication pipe, an exhaust pipe, a valve, a flow rate distributor, an air distribution joint and an air pressure meter. The lifting support system on the sea level is connected to the ventilation main pipe through the ventilation hose and is then connected to the inner liner arranged in the floating pipe of the net box through the air distribution pipe, the inner liner can expand and contact under the effect of the air pump, a water body in the floating pipe is discharged when the inner liner expands, the upward floating of the net box is realized, the water body outside the net box enters the floating pipe from the water communication pipe through the siphon effect when the inner liner contacts, the downward sinking of the net box is realized, and the downward sinking is automatically stopped when the net box sinks down to a degree that a sinking element suspended at the bottom of a fishing net is in contact with the sea bed.

The invention discloses a duct piece reshipment device for a shield tunnel, comprising a walking trolley (3) arranged on a walking pathway (2), a drive mechanism used for driving the walking trolley (3) to move along the walking pathway (2), and a grabbing mechanism (4) capable of moving up and down, wherein the walking pathway (2) is arranged in a shield tunnel with a small diameter; the lower end of the grabbing mechanism (4) capable of moving up and down is connected with a duct piece (7) to be reshipped, and the upper end of the grabbing mechanism (4) is connected with the walking trolley (3). Due to rapid reshipment speed and high working efficiency, the duct piece reshipment device is particularly applicable to the shield tunnel with a small diameter.

The invention discloses a vehicle window elevating control device, system and method. the control device comprises a detection module configured to detect a plurality pairs of infrared emitters and each infrared receiving signal of each infrared receiver, a sliding track identification module configured to identify a sliding track of a sliding signal applied to a driver position window according to the infrared receiving signal, and a control module configured to determine a controlled vehicle window to elevate and a target position of the controlled vehicle window according to the sliding track, and to control work of an elevating motor of the controlled vehicle window according to the target position. The plurality of pairs of infrared emitters and the infrared receives are arranged on one side of the driver position facing a driving cap, and arranged along a glass door frame of the driving position vehicle window. Therefore, touch control operation of vehicle window elevating can be achieved.

The invention discloses an improved water conservancy pipeline supporting and connecting structure for a water conservancy project. The improved water conservancy pipeline supporting and connecting structure for the water conservancy project is provided with a fixing base; a lifting frame mechanism is arranged on the top side of the fixing base, and a lifting flat plate is fixedly arranged at thetop end of the lifting frame; and a pipeline limiting ring is fixedly installed on one side of the top end face of the lifting flat plate, a pipeline sliding limiting ring is slidably installed on theother side of the top end face of the lifting flat plate, moving sliding blocks are arranged on the bottom side of the pipeline sliding limiting ring, the lifting flat plate is provided with limitingsliding grooves, and the pipeline sliding limiting ring is installed on the inner sides of the limiting sliding grooves formed in the lifting flat plate in a sliding and limiting mode through the moving sliding blocks. According to the structural design, the pipeline sliding limiting ring can achieve limiting moving on the lifting flat plate, therefore, splicing operation on two pipelines is achieved through cooperation of the pipeline sliding limiting ring with the pipeline limiting ring, and the water pipe splicing and fixing convenience and fastness are effectively improved.

The invention discloses an intelligent shared lamp pole based on the Internet of Things. By arranging a first movable sleeve, a first sliding groove, a first connecting rod, an LED display screen, a first fastening part, a second movable sleeve, a second sliding groove, a third sliding groove and a second fastening part, the LED display screen and the second movable sleeve can rise and fall, and thus mounting, demounting, maintenance and replacing are convenient; the convenient and quick effects are achieved; the LED display screen, a security monitor, a wind direction and wind speed measuringinstrument, a loudspeaker and a charging pile are connected with an Internet of Thing platform, thus Internet of Thing intelligent control over the lamp pole can be achieved, and the convenient and quick effects are achieved; and a new energy automobile can be charged, sound and pictures of weather forecast, advertisement and the like can be transmitted simultaneously, a road can be monitored, parts of meteorological conditions can be collected, energy source conversion can be achieved, electric energy is provided for the intelligent shared lamp pole, energy saving and environment protectionare achieved, the lamp pole can be intelligently shared, the space is saved, and public resources are utilized more reasonably and more effectively.

The invention discloses a rotary carrying robot. The rotary carrying robot comprises a base, wherein the lower side of the base is fixedly connected with the upper side of an operation platform; a vertical pipe is fixedly connected above the base; a main shaft penetrates and rotationally sleeves into the vertical pipe; a second transmission gear sleeves the lower end of the main shaft; a first motor is arranged at one side of the vertical pipe; a first transmission gear is arranged at one end of an output shaft of the first motor; the first transmission gear is in transmission engagement withthe second transmission gear; the upper end of the main shaft is fixedly connected with the lower side of a transversal pipe; and a second motor is arranged at one end of the transversal pipe. The rotary carrying robot is simple in structure; the function of rotating the transversal pipe is realized through the first motor; the function of telescoping of a slide rod is realized through the secondmotor; the lifting function of a clamp is realized through a hydraulic cylinder; and the weight of an object clamped by the clamp is detected through a gravity sensor between a connection plate and aconnection block.

The invention belongs to the technical field of auxiliary devices for high-position installation, and relates to a mining lifting machine to achieve the technical purpose of providing the mining lifting machine favorable for high position installation. The mining lifting machine is simple in structure and safe and convenient to use. According to the technical scheme, the mining lifting machine comprises a machine frame, a walking part, elevators, a platform, a pump station and telescopic oil cylinders. The lower portion of the machine frame is provided with the walking part, the machine frame is connected with the platform through the two elevators, the elevators are of structures that a plurality of connecting rods are hinged into retractable connected rhombus frameworks, the ends of the two connecting rods at the lower ends of the elevators are hinged to the machine frame, the ends of the two connecting rods at the upper ends of the elevators are hinged to the bottom face of the platform, the part, between the two elevators, of the machine frame is provided with the pump station, and the four end corners of the machine frame are connected with the four corresponding end corners of the platform through the telescopic oil cylinders with the power supplied by the pump station. The mining lifting machine is mainly used for helping workers to carry out the high-position operation in a roadway.

The invention discloses outer surface finish machining equipment for a honeycomb ceramic carrier and a use method, and belongs to the technical field of honeycomb ceramic carrier machining. The outer surface finish machining equipment for the honeycomb ceramic carrier comprises a conveying belt, a feeding bin is arranged above one end of the conveying belt, and a feeding mechanism is fixedly connected to the end, located on the outer side of the conveying belt, of the feeding bin. According to the outer surface finish machining equipment for the honeycomb ceramic carrier and the use method, a guide sliding column is arranged, in a feeding mechanism, a swing pore plate rotates to drive the guide sliding column to move through a movable sliding groove, the guide sliding column drives a movable sliding column to slide along a guide rail, so that the motion trail of a feeding plate connected with the guide sliding column is the same as the shape of the guide rail, the guide sliding column drives a movable sliding block to slide along the inner wall of a lifting pore plate and drives the lifting pore plate to slide along the inner wall of the feeding mechanism, the feeding plate is always in a horizontal state, and the feeding operation of the honeycomb ceramic carrier is realized through the direction-unchanged movement of the feeding plate.

The invention discloses a hydraulic lifting device of a carrier, and the device comprises a folding bearing platform and horizontal lifting mechanisms, and is characterized in that the folding bearing platform comprises a primary wedge-shaped tablet and a secondary tablet; the horizontal lifting mechanisms are symmetrically arranged on the left side and the right side of the folding bearing platform; each horizontal lifting mechanism comprises two parallel four-link mechanisms comprising front hinge supports on both sides, upper and lower lifting arms on both sides and rear hinge supports on both sides, and a hydraulic lifting mechanism; and each hydraulic lifting mechanism comprises a lifting oil cylinder and a piston rod. The device is fixedly arranged below a bottom plate at the tail of the carrier, the folding bearing platform and the horizontal lifting mechanisms can be folded and contained below the bottom plate at the tail of the carrier on the premise of not affecting the ground clearance of the carrier, so that the installation and the configuration of the device is not restricted by the type of the carrier, and the normal loading and unloading of the carrier are not affected; and when the device needs to be used, the lifting operation of the bearing platform can be realized only by unfolding the folding bearing platform from a part below the bottom plate at the tail of the carrier.

The invention relates to the technical field of semiconductor production equipment, in particular to height adjustment equipment for a quartz crucible in a single crystal furnace of a semiconductor device. The equipment includes a lifting mechanism, a driving mechanism, a liquid level detection module, a fixing device and a stroke controlling device which are installed in the single crystal furnace; the lifting mechanism includes lifting screw rods, internally threaded pipes that cooperate with the lifting screw rods and synchronous gears that cooperate with the internally threaded pipes; fourthrough holes are uniformly arranged in the bottom center of the single crystal furnace, a square is formed among the four through holes, a high-temperature-resistant bearing is installed in each through hole, the middle parts of the four internally threaded pipes are fixedly installed in the corresponding high-temperature-resistant bearings, and each bearing is used as a boundary, the upper endof each internally threaded pipe is located in the single crystal furnace, and the lower end is located outside the single crystal furnace; each lifting screw rod is installed in one corresponding internally threaded pipe in a screw fit manner, and the upper ends of the lifting screw rods are fixedly connected with the bottom of the fixing device; and the four synchronous gears are respectively installed on the lower ends of the corresponding internally threaded pipes. The height adjustment equipment can facilitate taking out monocrystalline silicon.

The invention discloses a truss robot with a multi-degree-of-freedom stable motion function, and belongs to a truss robot in the technical field of truss robot. The truss robot comprises a frame, a conveyor and a camera assembly, the conveyor and the camera assembly are arranged at the lower end of the frame, a multi-degree-of-freedom motion assembly is arranged on the frame, the multi-degree-of-freedom motion assembly comprises a transverse shaft motion mechanism moving in the length direction of the frame, a longitudinal shaft motion mechanism moving in the length direction of the transverse shaft motion mechanism and a vertical shaft motion mechanism arranged on the longitudinal shaft motion mechanism, and an A-axis motion pair is arranged at the bottom of the vertical shaft motion mechanism; According to the truss robot with the multi-degree-of-freedom stable motion function, the motion assemblies moving in the X-axis direction, the Y-axis direction and the Z-axis direction are arranged on the frame, stable motion control over the multi-degree-of-freedom motion assemblies is achieved, and therefore fixed-point operation of the truss robot in space is achieved.

The invention discloses clock hand grinding equipment. The invention belongs to the technical field of clock processing equipment. The grinding equipment comprises a workbench, a hand fixing and rotating mechanism, a grinding machine, an angle adjusting mechanism, a scrap collecting mechanism, a transverse moving mechanism and a position adjusting mechanism. The hand fixing and rotating mechanismand the scrap collecting mechanism are both arranged at the moving end of the transverse moving mechanism. The output end of the grinding machine is sleeved with a grinding wheel, the hand fixing androtating mechanism comprises a rotating assembly, a supporting vertical plate, a limiting plate and a fixing assembly; a positioning groove is formed in the limiting plate, a rotating cylinder rotationally connected with the supporting vertical plate is arranged on the supporting vertical plate, and a mounting table is fixed to the end of the rotating cylinder. The grinding equipment has the beneficial effects that generated waste chips can be collected through the scrap collecting mechanism; dust falling operation can be conducted on generated scrap flying dusts, the angle adjusting mechanismcan enable the grinding machine to be at a proper inclination angle, and therefore the grinding wheel can conduct chamfering operation on the top face of the hand conveniently.

The invention discloses an anti-pressing type safe and intelligent parking lock. A base is internally provided with a mounting chamber, the surface of the top of the base is provided with a limiting groove, a first screw rod and a second screw rod are arranged in the mounting chamber in the long-axis direction in an extending mode, and the first screw rod and the second screw rod are opposite in the rotating direction, are connected through a universal shaft, and are driven by a motor; the first screw rod and the second screw rod are correspondingly provided with a first ball nut pair and a second ball nut pair, the two ball nut pairs are correspondingly connected with a first limiting rod and a second limiting rod through sliding blocks in a hinged mode, and the free ends of the two limiting rods are in hinged connection to the two ends of the long-axis direction of a cross arm correspondingly; and through fit of the motor, the screw rods and the ball nut pairs, the bottom ends of thefirst screw rod and the second screw rod are sequentially driven to do same-direction or opposite-direction movement along the first screw rod and the second screw rod through the sliding blocks, sothat the first screw rod, the cross arm and the second screw rod are gradually lifted or gradually lowered to be embedded into the limiting groove. The structure is simple, lifting and falling operation of the limiting rods is realized through the mode of electric control, and convenient and rapid effects are achieved.

The invention discloses an electrolyte digging collection device special for an electrolytic aluminum bath and belongs to the technical field of electrolytic aluminum production. The electrolyte digging collection device comprises a base, a lifting mechanism, a feed mechanism, an electrolyte digging mechanism and a lifting plate arranged above the base horizontally. A bearing plate is arranged above the lifting plate. The electrolyte digging mechanism comprises an electrolyte taking assembly, a carbon residue drawing assembly, a rotary barrel and a rotary assembly. A bearing seat is arranged at the top of the bearing plate. The rotary barrel and the bearing seat are rotationally connected. The electrolyte digging collection device has the beneficial effects that carbon residues floating onthe surface of electrolyte solution can be drawn through the carbon residue drawing assembly, magnetic attraction removal operation can be conducted on scrap iron on the electrolyte solution, a connection plate can rotate along the axis of the rotary barrel under the action of the rotary assembly, and the drawing range of a drawing disc and the iron removal range of an iron removal plate are expanded.

The invention discloses an intelligentized cleaning device for a chemical container. According to the intelligentized cleaning device for the chemical container, by arranging a water sump, a water storage disk, nozzles, a water pimp, a first water pipe, a second water pipe and a backflow pipe, the cleaning, cycling use of water and energy conservation and environmental protection can be realized;by arranging a first filter screen and a second filter screen, the circulating water can be filtered, so that the cleaning is more thorough; by arranging first motors, fan blades and heating pipes, the heat emission efficiency of the heating pipes can be improved, so that the heat distribution is more uniform, the chemical container can be dried directly after being cleaned, the convenience and speediness are realized, and the efficiency is high; by arranging a second motor, a connecting rod and a clamping frame, the chemical container can be subjected to rotating cleaning and heating, the cleaning and drying efficiency is high; and by arranging a first servo electric cylinder and a second servo electric cylinder, the lifting operation on the chemical container can be realized in the processes of cleaning and drying, and the convenience and speediness are realized.

The invention discloses a telescopic heat radiation sound box, which comprises a base, wherein a plurality of universal wheels are arranged at the bottom of the base; a braking mechanism is arranged on the universal wheels; a fixing plate is sleeved on the top of the outer wall of the base; a plurality of first hydraulic cylinders are arranged at the bottom of the fixing plate; an auxiliary plateis sleeved under the fixing plate at the outer side of the base; an outer box body is arranged on the top of the base; a sound box body is arranged inside the outer box body in a matched way; a waterstorage layer is arranged at the inner wall of the outer box body; a heat radiation layer is arranged on the outer wall of the sound box body; a plurality of water conveying pipes are arranged on thetop of the inner side of the water storage layer; a plurality of second hydraulic cylinders are arranged on the top of the fixing plate; regulating chambers are symmetrically arranged at the two sidesinside the water storage layer; a rotating rod, a first gear, a second gear, a second movable rod, a second rack, a push plate, a first movable rod, a first rack and a connecting block are horizontally arranged inside the regulating chamber; a first fixing block and a second fixing block are arranged on the outer wall of the heat radiation layer. The sound box has the advantages that the use is convenient and fast; the stability is high; the telescopic effects can be realized; the heat radiation effect cannot be influenced in the telescopic process.

The invention discloses a halved belt sorting trolley with a liftable conveying surface, a halved belt sorting system and a sorting method thereof. The sorting trolley comprises a chassis, wherein a storage box is arranged on the chassis; a first chain and a second chain which are opposite are rolled in the storage box; the first chain and the second chain are driven by a motor to extend and retract; mutually separated parts of the first chain and the second chain are flexible; mutually engaged parts of the first chain and the second chain define a rigid rod body; the rigid rod body extends tothe outer part of the storage box, and is connected to the bottom of a conveyor; and the conveyor is arranged on a limiting mechanism. The halved belt sorting trolley adopts a special chain, can realize switching needs of a conveying surface of the conveyor at different heights by regulating length of the rigid rod body extending to the outside of the storage box, and creates beneficial conditions for multi-layer grid hole sorting, so that occupied longitudinal space can be effectively reduced by rolling the chains into the storage box under a normal state; and meanwhile, lifting height of the halved belt sorting trolley can be reasonably regulated according to different application occasions.

The invention discloses a support device for a fabricated house building. The support device for the fabricated house building comprises a wall bearing support frame and a support sleeve, wherein a hydraulic base is arranged on the bottom part of the wall bearing support frame; a hozitonal bottom plate is arranged on the bottom part of the hydraulic base; the support sleeve is arranged above the hydraulic base and is connected with the hydraulic base through a bolt; an extending support rod is arranged above the support sleeve and is connected with the support sleeve in a telescoping way; outer through screw holes are formed in the surfaces of two sides of the support sleeve; inner through screw holes are formed in the surfaces of two sides of the extensing support rod; the outer through screw holes are connected with the inner through screw holes through metal anchor rods; and the spacings between the outer through screw holes and the inner through screw holes are the same. A supportstructure in the fabricated building plays a role in supporting and fixing, and meanwhile, the effects on damping and cushioning can be achieved, so that the problem that a surface building is shakenso as to be collapsed is solved.

The container transporting platform includes two end beams with upper surface and lower surface for fitting the upper container and the lower container separately and one middle connecting structure, and has maximum width not greater than 2840 mm. Each of the end beams has one pairs of first bottom holes and one second bottom hole between two first bottom holes in the lower surface and one pair of first top holes in the upper surface separately for fixing and hoisting standard container and super wide container. The container transporting platform can facilitate the mixed stowage of standard container and super wide container and the hoisting of super wide container with standard container hoisting equipment.

The invention relates to an electric vehicle underground garage center conveying table assembly which comprises two rotating guide rails arranged in parallel. A lifting synchronous belt is installed on the rotating guide rails in a cycle mode. A conveying table driven by the lifting synchronous belt is arranged between the rotating guide rails. The conveying table comprises a transverse frame, a guide rail sliding base and a two-layer vehicle bearing device. The two ends of the transverse frame are provided with a guide rail sliding base running on the rotating guide rails in a guided mode. The two-layer vehicle bearing device is horizontally and perpendicularly installed on the transverse frame. An upper vehicle carrying frame, an upper vehicle trailing frame, a lower vehicle carrying frame and a lower vehicle trailing frame are installed on a two-layer guide rail frame of the two-layer vehicle bearing device, the upper vehicle trailing frame and the lower vehicle trailing frame are hung together or disengaged through a hook mechanism, the upper vehicle carrying frame and the lower vehicle carrying frame are hung together or disengaged through a hook mechanism, and the guide rail sliding base is fixedly connected with the lifting synchronous belt. The electric vehicle underground garage center conveying table assembly of the structure is applicable to storing vehicles such as electric vehicles with large weight, and has the advantages of being large in bearing weight, stable in structure, safe and reliable.

The invention discloses an intelligent oxygen-consuming microorganism culture device. Through arrangement of a mounting cavity, a ball screw, a screw nut, a connecting block, a sleeve and a forward-backward rotating motor, sampling and other operation are convenient. By arranging a rotating rod and a servo motor, a culture rack can be rotated, and sampling operation is carried out conveniently andquickly on culture dishes in different directions and at different angles. By arranging first annular slide rails, second annular slide rails, first sliding pieces and second sliding pieces, the first sliding pieces can slide in the first annular slide rails and the second sliding pieces can slide in the second annular slide rails during a lifting and rotation operation process of the culture rack, assistance can be provided, and the stability of the device during operation is enhanced. By arranging fluorescent lamps, heating pipes, temperature sensors and oxygen concentration sensors, illumination and temperature required by microorganism culture can be provided for the culture rack, and the internal temperature and oxygen concentration of a housing can be adjusted.

The invention provides an omnibearing aluminium profile automatic spraying detecting device which comprises a spraying chamber, a detecting device, a spraying device, a rotary device and a controller,wherein the rotary device comprises a mounting box, a plurality of support seats, a plurality of clamping heads, a rotary disc, a first driving mechanism and a first hydraulic driving mechanism; thesupport seats are arranged on the two sides of the mounting box; the rotary disc is rotatably connected with the support seats; the bottom of the rotary disc is in drive joint with the first driving mechanism; and the clamping heads are fixedly connected with the rotary disc. The detecting device is adopted to detect a detecting part, so that the detecting device can detect the spraying effect ofa sprayed piece; and through cooperative application of a detecting seat, a telescopic rod and a second driving mechanism, the detecting device can detect different positions of the sprayed piece to improve detection of the spraying effect of the sprayed piece, and improvement of the spraying efficiency is ensured.

The invention relates to the technical field of conveying equipment, in particular to a lifting device of an overturning machine. The lifting device comprises two parallel stand columns. The lower ends of the two stand columns are connected through an adjusting gasket. A cross beam is fixed to the middle parts of the two stand columns and provided with a reversing gear case. A lifting motor is fixed to the input end of the reversing gear case. The stand columns are provided with sliding rails, and a lifting frame is arranged on the sliding rails in a sliding manner. A guide groove is formed in the lifting frame in the horizontal direction. The output end of the reversing gear case is connected with a crank, and the end of the crank is connected into the guide groove. The lifting device is simple and reasonable in structure, lifting operation of the carrying lifting frame is achieved in the manner that the motor drives the crank, the lower end of the crank reciprocates in the guide groove in the lifting frame, and the vertical movement of the lifting frame is achieved.

The invention discloses an agricultural product showing device for ecological agriculture. The agricultural product showing device for ecological agriculture comprises a showing cabinet body, whereina showing bin, a filtering bin and a water storage bin are formed in a shell of the showing cabinet body, an observation window movably connected with one side of the showing bin is arranged on the outer wall of the showing cabinet body, an LED illuminating lamp, a watering tray, a placing frame, a water storage tray, a first servo electric cylinder, a connecting frame, a T-shaped sliding groove,a first sliding block, an inserting rod, a showing frame, a sliding rail and a second sliding block a second servo electric cylinder, an inserting groove and an elastic sliding piece are arranged inside the showing bin, a movably connected filtering frame is arranged at an opening in the filtering bin, a first filtering mechanism and a second filtering mechanism are arranged in the water storage bin, a water delivery pipe is arranged on one side of the outer wall of the showing cabinet body, and a water pump and a spray head are arranged on the water delivery pipe. The agricultural product showing device is convenient and rapid to adjust, agricultural products can be observed in multiple directions under the condition that the showing device is not opened and the agricultural products arenot moved, the cleanliness of circulating water can be enhanced, and it is ensured that the agricultural products are not secondarily polluted.

The invention belongs to the technical field of instrument disinfection equipment for the obstetrics and gynecology department, particularly relates to an instrument disinfection device for the obstetrics and gynecology department, and aims to solve the problems that a disinfection device of an existing instrument disinfection device for the obstetrics and gynecology department can only carry outdisinfection on instruments in a single instrument box and is poor in stability in the moving process, and in addition, instruments in the instrument box are prone to vibrating when the instrument boxis transferred. According to the scheme, the instrument disinfection device comprises a mobile cabinet, wherein a movable cabinet is slidably connected to the interior of the mobile cabinet; slidingbases are fixedly connected to the two sides of the outer wall of the movable cabinet respectively; and sliding grooves matched with the sliding bases are formed in the inner wall of the mobile cabinet. According to a lifting mechanism, under the cooperation of a movable block, a movable groove, a first threaded rod, a first fixed block, a first bevel gear, a second bevel gear, a transmission shaft and a second fixed block, when the instrument box needs to be taken out or put in, the movable cabinet can be conveniently lifted in the mobile cabinet, operation is convenient, and the working efficiency of medical staff is improved.

The invention discloses a medical bed convenient to lift and translate. The medical bed comprises a bed frame, the bed frame is provided with a headboard and a footboard, the headboard comprises two first telescopic columns, the footboard comprises two second telescopic columns, universal wheels are arranged on the bottoms of the first telescopic columns and the second telescopic columns, and a working table mechanism is arranged between the two first telescopic columns and the two second telescopic columns; the working table mechanism comprises a table surface and a bottom plate, a latch is arranged in the table surface, a connecting rod is arranged in the latch in a penetrating mode, a rotating handle is arranged at one end of the connecting rod, multiple sets of fixed pulleys are arranged at the top end of the bottom plate, chains are arranged in the working table mechanism, the latch is engaged with the chains, multiple sets of movable pulleys matched with the fixed pulleys are arranged on the bottom of the table surface, a sliding rail is arranged on the top of the table surface, a bed board is arranged on the sliding rail, and a plurality of sliding blocks matched with the sliding rail are arranged on the bed board. According to the medical bed convenient to lift and translate, the structure is simple, operation is convenient and fast, lifting and translating operation of the medical bed can be achieved, it is convenient to transfer a patient, and an injury to the patient is unlikely to occur.

The invention relates to the technical field of vehicle auxiliary instruments, and aims to provide a lifting device. According to the technical scheme, the lifting device comprises a base, a lifting frame, a lifting assembly and a driving assembly; the lifting frame is rotationally connected with the base; one end of the lifting assembly is rotationally connected with the lifting frame, and the other end of the lifting assembly is rotationally connected with the end, away from the lifting frame, of the base. The driving assembly is arranged on the base and used for driving the lifting assembly to stretch or retract. The lifting assembly comprises a ball screw pair, a positioning sleeve and a supporting rod, the end of a screw of the ball screw pair is sleeved with the positioning sleeve, the positioning sleeve is rotationally connected with the base, one end of the supporting rod is rotationally connected with the lifting frame, and the other end of the supporting rod is connected with a nut of the ball screw pair; the driving assembly comprises a servo motor, and the output end of the servo motor is in transmission connection with a screw of the ball screw pair. The device is high in positioning precision, fast in motion response, small in transmission gap, compact in structure and applicable to special vehicles.

The invention discloses a telescopic heat radiation sound box, which comprises a base, wherein a plurality of universal wheels are arranged at the bottom of the base; a braking mechanism is arranged on the universal wheels; a fixing plate is sleeved on the top of the outer wall of the base; a plurality of first hydraulic cylinders are arranged at the bottom of the fixing plate; an auxiliary plateis sleeved under the fixing plate at the outer side of the base; an outer box body is arranged on the top of the base; a sound box body is arranged inside the outer box body in a matched way; a waterstorage layer is arranged at the inner wall of the outer box body; a heat radiation layer is arranged on the outer wall of the sound box body; a plurality of water conveying pipes are arranged on thetop of the inner side of the water storage layer; a plurality of second hydraulic cylinders are arranged on the top of the fixing plate; regulating chambers are symmetrically arranged at the two sidesinside the water storage layer; a rotating rod, a first gear, a second gear, a second movable rod, a second rack, a push plate, a first movable rod, a first rack and a connecting block are horizontally arranged inside the regulating chamber; a first fixing block and a second fixing block are arranged on the outer wall of the heat radiation layer. The sound box has the advantages that the use is convenient and fast; the stability is high; the telescopic effects can be realized; the heat radiation effect cannot be influenced in the telescopic process.