145results about How to "Telescopic stability" patented technology

A flexible display device according to an embodiment of the invention comprises: a flexible screen, a shell and a bottom support part, wherein the shell comprises an accommodating part and a support seat; the bottom support part and the flexible screen are connected and overlapped; the bottom support part comprises a fixed support part and a rollable support part which are sequentially distributedalong the length direction of the flexible screen; and the flexible screen is in sliding fit with the support seat through the bottom support part. In the flexible display device according to the embodiment of the invention, the flexible screen can be glidingly arranged on the support seat through the bottom support part; the flexible screen and the rollable support part can synchronously stretchout of or retract in the accommodating part; the fixed support part always bears the flexible screen below partial flexible screen; and on the premise of making the flexible screen telescopic, the flatness of the flexible screen is improved, the damage of the flexible screen is reduced, and the display effect of the display screen is optimized.

The invention discloses a multifunctional automatic elastic compartment automobile which comprises an automobile body, an automobile frame and a compartment which is elastic, wherein the elastic compartment comprises an elastic compartment framework connected to the automobile frame, an elastic bottom frame connected to the bottom of the elastic compartment framework, an elastic top cover connected to the top of the elastic compartment framework, a compartment wall connected to the periphery of the elastic compartment framework as well as an elastic mechanism which is connected to the elastic compartment framework, the elastic bottom frame and the elastic top cover; the elastic bottom frame is internally provided with a bottom surface clearance closed device; the elastic top cover is internally provided with a top cover clearance closed device; the compartment wall is provided with a compartment door; an elastic power drive system and a covering mechanism component are placed in the elastic compartment; and the elastic mechanism and the elastic power drive system are connected. The multifunctional automatic elastic compartment automobile provided by the invention is compact in structure, is novel and reasonable in design, has good driving stability, has a large internal space after the compartment unfolds, and has rapid elastic speed of the compartment, high accuracy, high practicability, and high popularization and application value.

The invention discloses an electric folding hidden table board, and belongs to the field of folding table boards. The electric folding hidden table board comprises a table board assembly, a containingbox and a drive mechanism. The containing box is used for containing the table board assembly mentioned above. An opening is reserved in the upper portion of the containing box. A first roller is arranged at the position of the opening. The drive mechanism is used for driving the table board assembly to extend upwards from the opening in the upper portion of the containing box. The bottom of thetable board assembly and the drive mechanism are connected in a rotating manner. When the drive mechanism drives the table board assembly to extend from the interior of the containing box, the table board assembly overturns to the horizontal state in the direction towards the first roller, and the back face of the table board assembly is supported on the first roller. After the electric folding hidden table board is contained, the structure is compact, and the occupied space is small; after unfolding, the table board assembly automatically overturns to the horizontal state, design is ingenious, and use is convenient; and two rollers are used for supporting the unfolded table board assembly, the bearing capacity of the table board is high, and the electric folding hidden table board can bewidely used on side walls and seat back faces of trains, airplanes, all types of vehicles and the like.

The invention discloses a sewage filtering device capable of facilitating clearing sludge. The sewage filtering device comprises a shell; the shell is internally provided with a filter cartridge; filter holes are formed in the lower surface of the filter cartridge; the lower surface of the filter cartridge is fixedly connected with a first rotating shaft; the outer surface of the first rotating shaft is connected with a bearing in a clamping way; and a first bearing is connected to the lower surface of the inner wall of the shell in a clamping way. According to the sewage filtering device capable of facilitating clearing sludge, the filter cartridge rotates under the matching of a first gear and a second gear, so that sludge residues at the side of the filter cartridge are cleared by a theleft side of a scraping plate; and the sludge residues on the lower surface of the inner wall of the filter cartridge are cleared by the lower surface of the scraping plate, but it is not needed thatthe sludge residues on the inner wall of the filter cartridge are cleared by a worker by using a manual method, so that the time and physical power of the worker are saved, meanwhile, the phenomenonthat hands and clothes of the worker are polluted by the sludge residues is also avoided, convenience is brought for the work of the worker, and the sewage filtering device is beneficial for the workof the worker.

The invention provides an automatic water receiving and carrying robot. The automatic water receiving and carrying robot comprises a control box, an upper machine body part, a lower machine body part,mechanical arm parts, an assisting arm part and a moving machine body part, wherein the upper machine body part comprises an upper machine body, an up-down shoulder moving block, a shoulder telescoping guide rail, an assisting arm lifting guide rail, etc.; the lower machine body part comprises an upper machine rotating shaft, a lower machine body, etc.; the moving machine body part comprises a moving machine body, a turning wheel, a reversing motor, moving wheels, etc.; the assisting arm part comprises an assisting arm connecting part, a first assisting arm, fixed claws, movable claws, etc.;each mechanical arm part comprises a first shoulder block, a big arm block, a small arm block, claw part, etc. According to the automatic water receiving and carrying robot, the upper machine body isconnected to two mechanical arms and one assisting arm; the two mechanical arms are matched to arrange a water receiving basin below a water faucet, and a switch of the water faucet is clamped throughthe claw parts of the assisting arms; the claw parts are rotated through a clamping claw motor, and thus the water is opened and closed; the water basin can be carried close to people; the water basin is carried and poured after use, and thus the whole water receiving and carrying operation is finished.

The invention provides a support for treating benign prostatic hyperplasia. The process of implanting the support does not need a rigid condition, cooling and heating are not needed, the requirement in material quality is low, and the process is easy to control. The rigid condition is not needed in the process of implanting the support, the process can be conducted at a normal temperature, an arc-shaped supporting piece does not need to be strictly controlled, the process is easy to control, a cylindrical objected is formed after implanting the support, the cylinder object is hollow inside and does not stop proceeding of micturition, a strutting mechanism achieves that a strutting state can be firmly maintained through a cam self-locking mechanism, the positioning problem of a pull rod piece and a push-pull rod is solved through the effect of a magnetic field and the accurate position is guaranteed, through the adoption of a pull ring which is led in one way, the push-pull rod is allowed to go in and not allowed to go out, thus normal retraction of the push-pull rod is guaranteed, the supports for benign prostatic hyperplasia can be produced into different sizes according to actual requirements, and thus the support for treating benign prostatic hyperplasia has high practicability.

The invention provides a focal variation lens device including the bearing seat, the rotated focusing ring connected to the bearing seat, the lens room located in the focusing ring, the elastic gasket and the cover. The matched displacement guide rail and the sliding part are set between the focusing ring and the bearing seat. The sliding part can move along with the displacement guide rail to drive the focusing ring move comparing to the bearing seat. At the same time, lens room can move with the focusing ring and generates the axis displacement relative to the bearing seat. The cover is matched to the bearing seat and the elastic gasket is clapped between the cover and the focusing ring. The lens of the invention has the small size and is easy to operate, so the lens has the good imaging quality.

The invention discloses a sewage filtering robot capable of being used for conveniently cleaning sludge. The sewage filtering robot comprises a casing, wherein a filter tube is arranged in the casing;a filter hole is formed in the lower surface of the filter tube; a first rotating shaft is fixedly connected with the lower surface of the filter tube; a bearing is clamped and connected onto the outer surface of the first rotating shaft; the first bearing is clamped and connected onto the lower surface of the inner wall of the casing. The sewage filtering robot capable of being used for conveniently cleaning silt has the advantages that under the matching of a first gear and a second gear, the filter tube rotates, so that the left side surface of a scraping plate is used for cleaning the sludge residue on the side surface of the filter tube; the lower surface of the scraping plate is used for cleaning the sludge residue on the inner wall of the filter tube, the cleaning on the sludge residue on the inner wall of the filter tube by workers by using a manual method is not needed, so that the time and the physical strength of workers can be saved; meanwhile, the hand and the clothes ofworkers can be prevented from getting dirty by the sludge residue; therefore convenience is brought to the work of workers; the work of workers is facilitated.

A telescopic cylinder structure of a flashlight comprises a shell, a tail cap, a first pull cylinder and a second pull cylinder, the shell comprises a lamp head shell and a battery cylinder communicated with the lamp head shell. The tail cap comprises an opening end and a seal end opposite to the opening end, and the opening end is in threaded connection with the end, far away from the lamp head shell, of the battery cylinder. Two ends of the first pull cylinder are opened and can be arranged on the shell and the tail cap in a sleeved mode. Two ends of the second cylinder are opened and can be sleeved on the first cylinder in a sliding mode. The first pull cylinder and the second pull cylinder of the flashlight can be contracted when the flashlight is carried with a user, and can be extended when the flashlight is used, and therefore the flashlight is enabled to be convenient to use and carry. The invention further provides a flashlight with the telescopic cylinder structure.

The invention relates to the technical field of slide rail apparatus, in particular to a hidden type rolling shaft hydraulic reset three breaking slide rail, comprising an outer rail, a middle rail, and a inner rail; one side edge of the outer rail is embedded and connected with the middle rail through a rolling shaft bracket; the inner rail is embedded on the middle rail, comprising a reset sliding block, a hydraulic damping piston, a fixed cover plate and a draught spring; the fixed cover plate is fixed on the inner groove face of the outer rail, one side of the reset sliding block is sliding slipped in the spacing gap between the middle rail and the outer rail, the other side is sliding slipped in the fixed cover plate; a dialing post for poking the reset sliding block is arranged at one end of the lateral face of the middle rail, two projection for clipping the dialing post are positioned on the reset sliding block, a reset stop block is arranged at one end of the reset sliding block, a reset opening is positioned at the counterpart end of the fixed cover plate; one end of the draught spring is fixedly connected with the reset sliding block, the other end is fixed in the jaw on the inner groove face of the outer rail. The slide rail apparatus has the advantages of smooth expansion, balancing operation, long service life and low noise.

The invention provides an automobile seat guard plate injection mold. The automobile seat guard plate injection mold comprises a movable mold, a fixed mold, a fixed mold base plate and a lower mold base, and an inclined core pulling mechanism is connected to the fixed mold base plate; an ejector plate is arranged on the lower mold base, and an inclined ejector is arranged on the ejector plate; multiple locking blocks are arranged on the outer side wall of the movable mold in the circumferential direction, multiple spring bolts and a first elastic piece are arranged on the fixed mold, and multiple unlocking blocks are arranged on the fixed mold base plate; the unlocking blocks are in sliding fit with the spring bolts in the vertical direction, and when the spring bolts and the unlocking blocks slide to a set distance in the vertical direction, the unlocking blocks are used for driving the spring bolts and the locking blocks to be unlocked; and during mold opening, the movable mold moves upwards, the fixed mold moves upwards at the same time, so that the inclined core pulling mechanism is separated from a product, and when the fixed mold moves upwards to a set distance, the spring bolts and the locking blocks are unlocked. According to the automobile seat guard plate injection mold, rapid, effective and stable demolding of an inclined taper hole in the product and an inverted buckle structure in the taper hole can be achieved at the same time.

The invention discloses a sewage filtering method for conveniently cleaning sludge. When sludge residues on the inner wall of a filter cartridge need to be cleaned, a control panel controls a second electric drive pusher to be shortened, the second electric drive pusher drives a second pulley to move leftwards, and the second pulley does not upward extrude first extrusion blocks; at the moment, under the action of a tensile force of second springs, the second springs downwards pull a second transverse plate; the second transverse plate drives a second rotating rod to downward move by a secondbearing, a second rotating shaft and a second gear; a motor and a first gear downward move along with the second transverse plate, the second rotating rod downwards moves and is clamped in a second clamping groove, and the condition that the sludge residues on the inner wall of the filter cartridge by a manual method with the help of workers is avoided, so that time and physical strength of the workers are saved; meanwhile, the phenomenon that hands and clothes of the workers are stained by the sludge residues is avoided, further the convenience is brought for work of the workers and the workof the workers is facilitated.

The invention discloses a forklift mask lifting hydraulic system. The system comprises a working oil way, a main oil return way, at least one lifting oil cylinder and a reversing valve, wherein a rodless cavity of the lifting oil cylinder is connected with the working oil way, a rod cavity of the lifting oil cylinder is connected with the main oil return way through a pipe joint so as to enable the rod cavity and the pipe joint to be connected to form a low-pressure oil return way used for guiding oil liquid to flow back to the rod cavity, and the reversing valve selectively communicates withthe working oil way and the pipe joint. When a heavy object presses a piston rod of the lifting oil cylinder, the piston rod pushes the oil liquid in the rodless cavity to flow into the working oil path, due to the fact that the reversing valve can communicate with the working oil way and the pipe joint, the oil liquid flowing out of the working oil way is returned to the rod cavity and the main oil return way through the pipe joint, so that fluid friction is formed between the piston rod and a cylinder barrel, serious abrasion of the piston rod or the cylinder barrel is avoided, the working failure of the lifting oil cylinder is further avoided, so that the lifting oil cylinder can be stably telescopic, so that a fork works stably. The invention further discloses a forklift comprising theforklift mask hydraulic system.

The invention provides an automatic intelligent cleaning device which comprises a movable trolley, a horizontal rotating seat, a main rotary shaft and a cleaning arm arranged on the main rotary shaft,wherein a first driving motor is arranged on the horizontal rotating seat; the cleaning arm comprises a main arm, a telescopic arm, a telescopic driving mechanism, a spray boom, a rotating driving mechanism driving the spray boom to vertically rotate, and a rotation driving mechanism driving the spray boom to rotate in the circumferential direction of the spray boom; a sprayer is arranged on thespray boom; the other end of the spray boom is connected with a water supply pipe; the main arm is hinged to the top end of the main rotary shaft; a lifting driving mechanism driving the main arm to lift is arranged on the main rotary shaft; a control system is arranged on the movable trolley; and the first driving motor, the telescopic driving mechanism, the rotating driving mechanism, the rotation driving mechanism and the lifting driving mechanism are electrically connected with the control system. The automatic intelligent cleaning device is high in degree of automation and can replace manual operation to automatically clean in the site environment; and the cleaning arm is in multi-axis linkage, high in flexibility, wide in cleaning range and excellent in effect.

The invention discloses a pneumatic cleaning robot for a glass curtain wall and belongs to the field of wall climbing robots. The pneumatic cleaning robot for the glass curtain wall is completely controlled by air cylinders to achieve wall climbing and cleaning motion, a walking mechanism of the robot is formed by connecting four walking assemblies through four walking air cylinders end to end, incooperation with suction and release motion of suction cups on the walking assemblies and through retractable motion of every two opposite walking air cylinders, the cleaning robot for the glass curtain wall stably moves in the horizontal and vertical directions, and the walking mechanism is simpler and more compact in structure, flexible and convenient to operate and higher in working efficiency; the walking assemblies generate vacuum negative pressure on the suction cups by using air pumping air cylinders, the amount of air required by each air pumping air cylinder is small, the requirementfor air pumps is low, the actual operability and practicability are better, the suction cups are connected with the air pumping air cylinders one to one, air leakage of a certain suction cup cannot influence the whole walking mechanism, and the robot is safer and more reliable.

The invention relates to a safe and reliable clean type vehicle-mounted navigation system for a new energy automobile. The safe and reliable clean type vehicle-mounted navigation system for the new energy automobile comprises an outer shell and an inner shell; a motor, a rotating shaft and a display screen are arranged in the inner shell; and two washing mechanisms and two protecting mechanisms are arranged between the outer shell and the inner shell. According to the safe and reliable clean type vehicle-mounted navigation system for the new energy automobile, the dust is prevented from entering by using a dustproof plate while the display screen is not used; while the display screen is in use, the dustproof plate is washed by using a washing assembly so that the dustproof service life ofthe dustproof plate is longer; and meanwhile, the display screen is prevented from becoming increasingly blurred due to the increasing of the use time so that the cleanness of the vehicle-mounted navigation system is improved; and by using the protecting mechanism, the display screen in a working state can be protected to reduce the probability that the display screen is damaged by outside factors; and therefore, the safety of the vehicle-mounted navigation system is higher and the market competitiveness of the vehicle-mounted navigation system is enhanced.

The invention relates to the technical field of building construction, in particular to a working method of a rapid bundling device for reinforcing steel bars for a building. The rapid bundling devicecomprises a bottom plate, a controller, an external expansion mechanism, a longitudinal adjusting mechanism and transverse adjusting mechanisms; the external expansion mechanism comprises a driving assembly and two vertical plates; the longitudinal adjusting mechanism is arranged at the top of the bottom plate and is used for adjusting the installation heights of the reinforcing steel bars; the longitudinal adjusting mechanism comprises a jacking assembly and two limiting assemblies; the transverse adjusting mechanisms are arranged on the outer walls of the vertical plates and are used for adjusting the installation distances of the reinforcing steel bars; each transverse adjusting mechanism comprises two sliding rails, two locking assemblies and a plurality of clamping assemblies; and the driving assembly and the jacking assembly are electrically connected with the controller. According to the rapid bundling device and method for the reinforcing steel bars for the building as well asthe method, construction errors can be effectively avoided, the installation heights can be rapidly adjusted, the horizontal distances between the reinforcing steel bars can be accurately adjusted after the reinforcing steel bars are clamped, meanwhile, manual adjustment is not needed, time and labor are saved, and withdrawing is convenient after bundling.

The invention relates to an automatic telescopic pedal assembly and a vehicle using the same. The automatic telescopic pedal assembly comprises a pedal, a transmission shaft arranged under the pedal, a gear fixed to the transmission shaft, and a rack which is fixed to the bottom face of the pedal and meshes with the gear. The transmission shaft is further provided with at least one rolling body support part. The lower surface of the pedal is provided with a support face in rolling fit with the rolling body support part. During usage, the rolling body support part achieves a support function on the pedal, so that damage caused by too large loads of the gear and the rack is avoided, meanwhile, the abrasion speed of the gear and the rack is reduced, and the service life of the automatic telescopic pedal assembly is prolonged.

The invention relates to a multi-directional adjusting down lamp. The multi-directional adjusting down lamp comprises an adjusting support, an adjusting platform and a light source part, wherein the adjusting support is arranged inside a shell and is parallel to the axial direction of a lamp body; the adjusting platform is arranged on the adjusting support and moves in the axial direction of the adjusting support; and the light source part is connected with the adjusting support, and the deflection angle and the rotating angle of the light source part can be adjusted. The adjusting support comprises a plurality of transmission threaded rods which penetrate through the edge of the adjusting platform, transmission gears and gear plates are arranged on the lower surface of the adjusting platform, internal threads engaged with the transmission threaded rods are arranged on the inner surfaces of the transmission gears, external threads engaged with the gear plates are arranged on the outersurfaces of the transmission gears, and the gear plates are driven to rotate through a first driving motor arranged above the adjusting platform. The multi-directional adjusting down lamp has the following technical effects that (1) multi-directional adjusting is realized through ingenious structure design; (2) through the mode of the transmission threaded rods, telescoping is more stable, and thestructure is firmer; and (3) remote control can be achieved, and thus the adaptability to application scenarios is greatly improved.

The invention discloses a bottom spacing strip assembly for placing whole stacks of aluminum bars. The bottom spacing strip assembly comprises bottom wheel spacing strips and bottom fixing spacing strips, and both sides of the bottom fixing spacing strips are provided with a plurality of bottom wheel spacing strips in parallel; each bottom wheel spacing strip comprises a first bottom spacing strip, wheels and wheel mounting plates installed below both ends of the first bottom spacing strip; the wheels are installed in the wheel mounting plates; and each bottom fixing spacing strip comprises a second bottom spacing strip and fixed parts arranged below the second bottom spacing strip and coming into contact with ground, so that the bottom fixing spacing strip is fixed to the ground. The bottom spacing strip assembly disclosed by the invention can move freely along with heating extension or cooling contraction of the aluminum bars; the aluminum bars are prevented from being recessed in the homogeneous process, and the bottom spacing strip assembly can be used for supporting the whole stacks of the aluminum bars safely and reliably.

The invention relates to the technical field of dump rails, in particular to a dump rail which is characterized in that the dump rail has a concealed roller and the hydraulic pressure can reset. The invention comprises an outer rail and an inner rail; one side of the outer rail is tabled with the inner rail through a roller bracket. The invention also includes a reset slide block, a hydraulic damp piston, a fixed cover board and a tension spring. The fixed cover board is fixed at the inner groove face of the outer rail; one side of the reset slide block is slidingly arranged in the clearance of the first and the second rails and the other side is slidingly arranged inside the fixed cover board; a poke column which can poke the reset slide block is arranged at one end of the inner face of the inner rail; two projection blocks to clamp the poke column are arranged on the reset slide block, one end of the slide block is provided with a reset block plate and a reset gap is arranged at one corresponding end of the fixed cover board; one end of the tension spring is fixedly connected with the reset slide block and the other end is fixed in a clamping piece arranged on the inner groove face of the outer rail. The invention has the advantages of smooth extension and contraction, balanced movement, long service life and low noise.

The invention discloses a hydraulic buffer base for a lathe, and relates to the technical field of lathes. The hydraulic buffer base for the lathe comprises a base; the upper surface of the base is fixedly connected with hydraulic rods; two hydraulic rods are provided; the top ends of the two hydraulic rods are fixedly connected with the lower surface of a fixed plate; two slide sleeves are clamped on the lower surface of the fixed plate; slide rods sleeve the inner surfaces of the slide sleeves; the bottom ends of the slide rods are fixedly connected with the upper surface of the base; and the top ends of the slide rods are fixedly connected with lower surfaces of limiting blocks. In the hydraulic buffer base for the lathe, through cooperation of the hydraulic rods, the slide rods, the slide sleeves, springs, the limiting blocks, rotating shafts, bearings, a first handle, a second handle, thread columns and thread caps, the service life of a lathe main body is prolonged, the noise generated during working of the lathe main body is lowered, the working environment of workers becomes more comfortable, and the working efficiency of the workers is improved.

The invention relates to the technical field of data acquisition terminals, and discloses a satellite communication-based data acquisition terminal. The terminal comprises a fixed plate; a ball bearing is fixedly connected to the middle part of the upper surface of the fixed plate, a support shaft is fixedly connected to the side wall of an inner cavity of the ball bearing, and a support plate isfixedly connected to the top end of the support shaft. A driving device is arranged in the middle of the upper surface of the fixed plate, and a terminal body is arranged above the supporting plate. According to the data acquisition terminal based on satellite communication, through the cooperation of a pressure cylinder, a connecting plate, an auxiliary shaft, an auxiliary plate, the supporting plate, the support shaft, a ball bearing and a driving device, the angle and position of the terminal body can be adjusted, so the terminal body can better receive and transmit signals; and through thecooperation of a first buffer spring, a second buffer spring, a first magnetic block, a second magnetic block, a smooth pipe and a telescopic pipe, the terminal body can have a certain buffer effect.

The invention discloses a screw thread shearing type collision energy-absorbing device for vehicles, comprising a threaded sleeve, an impacting screw rod and a nut. One end inside the threaded sleeve is an inner screw thread section and the other section is a through hole section. One end of the impacting screw rod is sleeved in the threaded sleeve and the other end extends out of the threaded sleeve. The nut is sleeved on the impacting screw rod by the screws. The external diameter of the nut is larger than the interior diameter of the inner screw thread section. One end of the nut is supported in the through hole section by a bearing and the other end extends out of the threaded sleeve. The threaded sleeve is provided with a drive motor aside fixed on the vehicle body member. The drive end of the drive motor is connected with the nut via a transmission mechanism. The screw thread shearing type collision energy-absorbing device for vehicles has simple structure, wide applicability andensures the impacting screw rod freely contracts according to the expected requirement.

The invention provides an automatic jet-flow crushing tool for natural gas hydrate solid-state fluidization and mining, and belongs to the technical field of natural gas hydrate excavation equipment.The automatic jet-flow crushing tool for natural gas hydrate solid-state fluidization and mining comprises a crushing tube, wherein the right end of the crushing tube is connected to a connecting tubethrough threads; the connecting tube communicates with the crushing tube; the upper end of the connecting tube is fixedly connected to two compression tubes; the compression tubes communicate with the connecting tube; the upper ends of the compression tubes are fixedly connected to a compression barrel; the compression barrel communicates with the two compression tubes; a first rubber plug is connected between the inner walls of the compression barrel in a sliding mode; the upper end of the first rubber plug is fixedly connected to a connecting block; the upper end of the connecting block isfixedly connected to a pressure plate; the upper end of the pressure plate is fixedly connected to three first springs; the upper end of the compression barrel is fixedly provided with a barrel cover;and the three first springs are positioned at the lower end of the barrel cover. The invention aims to solve the problems that pressure generated by jet flow in the prior art is small, crushing efficiency is low, and a crushing tool is difficult to close after crushing is accomplished.

The invention discloses an automatic door opening and closing device of a dual-motor refrigerator, and relates to the technical field of refrigerator manufacturing. The automatic door opening and closing device of the dual-motor refrigerator comprises a box body and a box door. The box body and the box door are rotationally connected through a hinge. The box body is provided with a telescopic device. A circular-arc-shaped rack is fixedly connected with one end of the hinge. The box door is provided with an intermittent gear connected with a vertically-arranged motor. The telescopic device comprises a base fixedly connected with a motor. The motor is connected with a threaded rod. A guide sleeve is arranged on the circumferential side face of the threaded rod through threads in a cooperation manner. The guide sleeve is in sliding fit with the base through a sliding block. A push rod is fixedly connected with one side face of the sliding block. According to the automatic door opening andclosing device of the dual-motor refrigerator, the circular-arc-shaped rack and the intermittent gear which is matched with the circular-arc-shaped rack and is arranged on the box door are arranged;because the telescopic device is arranged on the box body, the problem that an existing refrigerator cannot carry out automatic door opening and closing, and thereby being not convenient to use is solved; and because of thread fit between the guide sleeve and the threaded rod, and sliding fit between the sliding block and a channel, the process of the push rod to push the box door is more stable,generated noise is lowered, and generated vibration is reduced.

The invention discloses a split type feeding device and a using method thereof, and relates to the field of garbage treatment. The split type feeding device comprises an embedded part, a stand column, an overturning frame, a hopper, telescopic parts, an upper sliding device and a lower sliding device, the stand column is fixedly installed on the embedded part, and one end of the upper portion of the overturning frame is fixed to the stand column in a hinged mode; the telescopic parts comprise the lifting telescopic part and the overturning telescopic part, one end of the lifting telescopic part is hinged and fixed to the upper portion of the overturning frame, the other end of the lifting telescopic part is hinged to the lower sliding device, one end of the overturning telescopic part is hinged and fixed to the stand column, and the other end of the overturning telescopic part is hinged to the overturning frame. The overturning frame is provided with a sliding groove. One ends of the upper sliding device and the lower sliding device are hinged and fixed to the upper portion of the back surface of the hopper; and by means of the split type feeding device and the using method thereof, the phenomena that when discharging is conducted in the prior art, garbage is thrown severely, sewage overflows, and secondary pollution is caused to the environment are effectively avoided, the requirement for feeding of all front-end collecting and transporting vehicles with the total mass being 12 tons or below can be met, and no secondary pollution is caused in the garbage collection process.

The invention discloses an automatic mechanical locking device for fixing an aluminum melting furnace flow eye brick water outlet. A runner is provided with a track. An installing frame is in slidingconnection to the track through track sliding wheels. A telescopic oil cylinder is arranged on one side of the installing frame, and an air cylinder shaft of the telescopic oil cylinder is fixedly connected with the installing frame and drives the installing frame to horizontally move on the runner. A pushing mechanism is fixedly connected to the installing frame, the free end of the pushing mechanism is fixedly connected with a plug, and the plug and the flow eye brick water outlet are coaxially arranged. According to the automatic mechanical locking device, during aluminum alloy and aluminumalloy bar production, an alarm system is used for sending out instructions in the emergency situation, after the automatic mechanical locking device receives signals, the flow eye brick water outletis automatically blocked, and high-temperature aluminum liquid cannot further flow into a casting well or other non-production areas; and explosion and burning accidents caused by high-temperature aluminum liquid leakage are reduced, and safe producing and casting of aluminum alloy and aluminum bar products are finally achieved.

The invention discloses a safe intelligent rod with a telescopic rod body. The intelligent rod comprises a bottom rod, a plurality of movable rods and a top rod, the bottom rod, the movable rods and the top rod are sequentially connected from bottom to top, the bottom rod and the movable rods are each provided with a limiting mechanism, the upper ends of the bottom rod and the movable rods are each connected to a stabilizing mechanism, the movable rods and the top rod are each connected with a driving mechanism, a motor is arranged in the driving mechanism, and the motor is connected with a control assembly. By arranging the stabilizing mechanism, the invention solves the technical problems that: according to existing telescopic rods, in order to reduce the friction between an outer tube and an inner tube connected in series, the end of the outer pipe and the end of the inner pipe are each connected with a pipe block in a matched mode, the inner pipe generates relative displacement to the outer pipe, the pipe block is prone to abrasion under the action of sliding friction, the abraded pipe block cannot stably make contact with the outer pipe and the inner pipe, and consequently the inner pipe shakes relative to the outer pipe.