78results about How to "Smooth up and down" patented technology

The invention discloses a hanging type tunnel disaster prevention, rescue and maintenance device which comprises a guide rail and a platform, wherein the guide rail is mounted at the top of a tunnel, and the platform is hung under a wheel and advances in the tunnel along with the wheel. The hanging type tunnel disaster prevention, rescue and maintenance device has the advantages that the guide rail is mounted at the top of the tunnel, the platform used for rescue advances along the guide rail in a hanging manner and is positioned in the air in the tunnel, and therefore the platform realizes barrier-free movement; under the situation that a fire occurs in the tunnel, even if the tunnel is blocked, the platform can also quickly reach a position waiting for rescue, personal injury and property damage are avoided, and meanwhile traffic non-blocking type daily maintenance in the tunnel can also be carried out. In addition, the invention designs an umbrella type combined nozzle which is composed of auxiliary nozzles and a main nozzle. The auxiliary nozzles spray water to isolate a fire site from the surroundings, the size of the distribution circle of the auxiliary nozzles can be adjusted, the main nozzle at the center can selectively spray gas, foam water and fire fighting water according to the fire characteristics, and therefore high-efficiency fire fighting can be realized.

The invention discloses a combined automatic stair-climbing fire-extinguishing smoke-discharging robot, which comprises a crawler-type automatic traveling chassis, a combined fire-extinguishing smoke-discharging device, an emergency injection self-protection device, and a control and image transmission system, wherein the crawler-type automatic traveling chassis is used as a carrier, the combined fire-extinguishing smoke-discharging device, the emergency injection self-protection device and the control and image transmission system are installed on the crawler-type automatic traveling chassis; the crawler-type automatic traveling chassis comprises a storage battery, a support chassis, a crawler drive system and a stable and dumping-proof mechanism, the storage battery for supplying the power to the combined fire-extinguishing smoke-discharging device, the emergency injection self-protection device and the control and image transmission system is installed on the support chassis. The combined automatic stair-climbing fire-extinguishing smoke-discharging robot has large air output, is capable of climbing the stairs, has the functions of self-protection, decontamination and neutralizing the toxic gas, and can meet the requirement for the blast air in different environments of fire extinguishing and emergency rescue.

The invention provides an elevator control device and an elevator device using the same. The arriving information of an elevator car is controlled by a simple way and when a passenger for getting on the elevator and a passenger for getting off the elevator are present on same floor at the same time, the passengers smoothly get on and get off the elevator and the passenger to get on the elevator is prevented from having no time to get on the elevator. When a passenger for getting off the elevator for the elevator car to the elevator lobby and a passenger for getting on the elevator from the elevator lobby are present on the same floor at the same time and the elevator car arrives the floor, any arriving information is not given. The elevator lobby door is opened, the passengers get off the elevator. After detecting that all the passengers to get off the elevator on the floor have gotten off the elevator, the indication lamp of an elevator lobby informing device starts to blink. Thus the passenger smoothly gets on and off the elevator and because the arriving information of the relay time is used as the elevator getting-on information to do work, thereby preventing the situation that: the passenger does not have time to get on the elevator.

The invention discloses a rotary robot welding fixture comprising an arranging and installing table, a front clamping seat, a rear chuck and side pressure seats. The front clamping seat is arranged above the arranging and installing table, one side of the front clamping seat is provided with the circular rear chuck, and the multiple side pressure seats are arranged at the edge of the rear chuck inan equal-radian manner. A first motor is arranged above the front clamping seat. The rotary robot welding fixture has the beneficial effects that when a welding mechanism performs welding work, a fourth motor drives robot components on a clamping and connecting seat to rotate to achieve fine adjustment of the positions, and it is ensured that the welding work of the welding structure on the robotcomponents is more precise in position and higher in efficiency; and the automatic degree of rotary clamping fixing work by the welding fixture on the robot components is higher, and much time and labor are saved in the using process. Four second motors drive the front clamping seat to move in two mounting frames, a plurality of first hob gears cooperate with a gear to rotate to ensure that the front clamping seat and the robot components are adjusted and moved more smoothly and securely, and collision and abrasion between all parts of the front clamping seat are reduced.

The invention discloses a combined annular blowout preventer, which comprises a lower shell and an upper shell, wherein the lower shell is connected with the upper shell through a screw rod I; a piston is arranged in an annular groove of the lower shell facing one end of the upper shell; a combined sealing ring I is arranged between the piston and the lower shell; a combined sealing ring II is arranged between the piston and the lower shell; a dust-proof ring is arranged between the piston and the upper shell; a combined sealing ring III is arranged between the dust-proof ring and the piston;a sealing ring I is arranged between the dust-proof ring and the lower shell; a sealing ring II is arranged between the dust-proof ring and the upper shell; the inner surface of the lower section of the upper shell is provided with a spherical rubber core; the inner surface of the upper section of the upper shell is provided with a cylindrical rubber core I and a cylindrical rubber core II; a Malone set assembly is arranged at the collar extension of a through hole at a cylindrical groove of the upper shell; and the upper port of the upper shell is provided with an end cover. The blowout preventer of the invention has a simple and compact structure, convenient operation, safety and reliability, low use and maintenance cost, and high working efficiency of drilling a well or repairing the well.

The invention provides a robot detection system for detecting windmill generator blade defects. The system comprises a counterweight device, a wall-climbing robot and a detection device, wherein the counterweight device comprises a counterweight, a first wire rope, a fixed pulley and an electric hoist; the counterweight is fixed to the first wire rope; the first wire rope is connected with the wall-climbing robot through the fixed pulley; the upper end of the wall-climbing robot is connected with the first wire rope, and the lower end is connected with a second wire rope; the detection device comprises a camera, a mechanical arm and a working platform; the mechanical arm is fixed to the working platform; the working platform is connected with one end of the second wire rope, and arranged around a wind power tower cylinder; and the detection device is used for judging whether defects exist by using a built-in program according to the blade photo taken by the camera. Compared with the prior art, the wall-climbing robot and giant magnet can be used as adsorption pivots to stabilize the upward and downward movements of the working platform; and the counterweight device can be utilized to artfully balance the gravity of the wall-climbing robot and giant magnet.

The invention belongs to the technical field of aquatic product cultivation, and discloses a self-righting sinking-floating net cage capable of realizing long-range monitoring. The self-righting sinking-floating net cage comprises a net cage body, an anchoring structure and a control system, wherein the control system comprises a control platform, a floating ball storing bin, floating balls, an isolation bin and a buoyance regulating bin; the floating ball storing bin adopts a cylinder structure of which the lower end is closed; the net cage body adopts an axial symmetrical structure; and thecontrol system is arranged along the symmetric shaft of the net cage body. According to the technical scheme, under the action of stormy waves, when the net cage has the function of self righting whenswinging, and sufficient stability of the net cage in breeding sea areas can be guaranteed. The net cage adopts a welding structure, so that the marine construction and mounting risks and difficultycan be reduced. Risks that the net cage is oblique and deflects can be effectively avoided. The phenomenon that the net cage generates gas seal in the process of sinking and floating can be effectively avoided, stable operations of sinking and floating for the net cage can be guaranteed, and long-range monitoring of the sinking and floating of the net cage can be realized.

The invention relates to a combined platform for gravity center measurement and correction for a paddle of a controllable-pitch propeller. The combined platform comprises a base, a lifting mechanism I, a weighing sensor, a measuring workbench, a fixture assembly, a paddle supporting assembly, a paddle space attitude measuring device and a polishing device, and is characterized in that the fixture assembly is used for fixing the position of a paddle base plate and comprises a V-shaped frame and a pressure head; the paddle supporting assembly is used for supporting the paddle and comprises a lifting mechanism II and a paddle contact ball head; the paddle space attitude measuring device comprises laser displacement sensor measuring device capable of moving a three-dimensional manner and an inclination angle measuring device; the inclination angle measuring device comprises a positioning shaft and an inclination angle sensor, and the positioning shaft can be matched with a base plate hole in the paddle base plate; and the polishing device comprises a six-degree-of-freedom manipulator and a polishing head. The combined platform not only can perform gravity center measurement and correction on the paddle and is high in measurement and correction accuracy and convenient to disassemble. In addition, the combined platform can also be applicable to paddles with various different sizes, thereby being high in universality. Furthermore, the combined platform can also perform gravity center measurement on any placement space attitudes of the paddle.

The invention provides a lifting device and a well repair platform, and relates to the field of well repair auxiliary equipment. The lifting device comprises a drive device, a base, a top seat and a shear fork arm. The upper end and the lower end of each of two arms of the shear fork arm are each provided with a mounting position. A first moving assembly is arranged in the base and comprises two oppositely-arranged first moving parts. The two first moving parts are correspondingly connected with the two mounting positions at the lower ends of the shear fork arm. A second moving assembly is arranged in the top seat and comprises two oppositely-arranged second moving parts. The two second moving parts are correspondingly connected with the two mounting positions at the upper ends of the shear fork arm. The drive device is connected with the two first moving parts through a transmission mechanism. The top seat is driven by the shear fork arm to stably ascend and descend up and down. The lifting device is applied to the well repair platform, and the problem that supporting is instable in the lifting process of the well repair platform is solved to a certain degree.

The invention relates to a rehabilitation bed, in particular to a rehabilitation bed special for an elbow in orthopedic department. The invention aims at providing the rehabilitation bed special for the elbow in the orthopedic department, which can save time, does not need medical workers to move legs of an orthopaedics patient and can reduce the workload. The technical scheme is that the rehabilitation bed special for the elbow in the orthopedic department comprises a bed board, supporting legs, a sliding rod, sliding sleeves, a limiting block, an arc-shaped rod, a pedal, a hollow casing pipe, a connecting rod, a fastening bolt, a rack, a first spring, a mounting plate and the like, wherein two supporting legs are respectively connected to the left side and the right side of the bottom ofthe bed board; a through groove is formed in the right part of the bed board; the sliding rod is arranged at the upper part between the two supporting legs on the front side; two sliding sleeves arearranged on the sliding rod in a sliding manner. According to the rehabilitation bed disclosed by the invention, the orthopaedics patient continuously rightward pushes the pedal with feet to drive theelbow of the orthopaedics patient to vertically swing, therefore, the operation of moving the elbow of the orthopaedics patient by the medical workers is avoided, and further the time can be saved.

The invention discloses a permanent magnetic drilling machine which comprises a horizontally arranged base, a rack mechanism and a permanent magnetic drilling rig device, wherein the rack mechanism comprises a column, a tank body and a tank sliding mechanism; the permanent magnetic drilling rig device comprises a rotation driving mechanism and a permanent magnetic vibration mechanism; the rotation driving mechanism is connected with the permanent magnetic vibration mechanism in a transmission manner; the permanent magnetic vibration mechanism comprises a main shaft used for mounting a cutter and connected with the rotation driving mechanism in a transmission manner, a permanent magnetic mechanism mounted on the main shaft and used for driving the main shaft to vibrate up and down, and a telescopic movement mechanism sleeving the main shaft; a vibration amplitude adjusting mechanism for adjusting a vibration amplitude of the main shaft is arranged on the tank body. The permanent magnetic drilling machine provided by the invention is simple in structure, reasonable in design and high in reliability, enables the cutter to be in periodical contact with a workpiece to be drilled, increases instantaneous drilling force, reduces drilling temperature, shortens drilling time, and improves surface finish and processing precision of the workpiece to be drilled.

The invention relates to an automatic fishing float with a supporting block. The automatic fishing float comprises a floating rod casing pipe, a triggering floating rod, a triggering floating rod rubber band, a floating cylinder fixing pipe, a fishing rubber band, a triggering swing arm and a fixed seat, wherein a triggering floating rod ferrule is arranged at the upper end of the triggering swingarm and sleeves the upper end of the triggering floating rod; a swing arm mounting slot is formed in the fixed seat; a fishing rubber band clamping ball is arranged on the fishing rubber band; a fishing rubber band clamping ball clamping block, a fishing rubber band clamping ball clamping block supporting spring and a fishing rubber band clamping ball clamping block limiting block are arranged inthe swing arm mounting slot; and a fishing rubber band clamping ball right clamping head is arranged on the triggering swing arm. The lower end, connected with the triggering floating rod rubber band, of the fishing rubber band is tied to a fish wire, when fish is hooked to pull the fish wire, the triggering floating rod rubber band is pulled by the fish wire to drive the triggering floating rodto move downwards, the upper end of the triggering floating rod is separated from the triggering floating rod ferrule, the limitation on the fishing rubber band is released by the triggering swing arm, and the fishing rubber band shrinks, so as to realize automatic fishing.

The invention discloses a mine repair auxiliary fixing mechanism, which includes a mine repair vehicle. The top of the mine repair vehicle is fixedly connected with a lifting platform, and equipment placing bins are arranged on the left side and the right side of the front face of the mine repair vehicle correspondingly. According to the mine repair auxiliary fixing mechanism, the shock absorptionperformance of the mine repair vehicle is improved through a shock absorption mechanism, the service life of repair equipment inside the equipment placing bins is prolonged, meanwhile, after stoppingthe mine repair vehicle, a jack is used for driving a connecting block to move downwards through a piston rod, the connecting block drives a supporting rod to move downwards, the supporting rod drives a fixing plate to move downwards to be fixed to the ground at the bottom of the inner side of a rail to prevent the mine repair vehicle from sliding, and the problems that existing mine repair auxiliary devices are prone to being damaged by vibration during transportation and sliding due to poor fixing effect are solved. The mine repair auxiliary fixing mechanism has the advantages of good anti-shock effect and good fixing effect, the fixed stability during mine repair is improved, and the service life of the repair equipment is prolonged.

The invention relates to a fin height adjusting mechanism of a fin forming machine. The fin height adjusting mechanism of the fin forming machine comprises a machine frame, an upper mold plate, a lower mold plate and a maintaining spring, wherein the machine frame is composed of an upper machine plate, a lower machine plate and a guide column arranged between the upper machine plate and the lower machine plate, and the upper machine plate can move up and down relative to the guide column. The fin height adjusting mechanism of the fin forming machine is characterized in that the fin height adjusting mechanism of the fin forming machine further comprises a supporting spring, limiting wheels, a chain and a motor, the supporting spring is sleeved on the guide column and is sustained between the upper mold plate and the upper machine plate, the limiting wheels are connected to the guide column on the upper portion of the upper machine plate in a threaded mode, driven chain wheels are fixed around the limiting wheels, the chain is meshed with transmission chain wheels in sequence to form a closed ring shape, the motor is installed on the upper machine plate, a driving chain wheel is installed on the output shaft of the motor, and the driving chain wheel is meshed with the chain to drive the chain to move. Compared with an existing fin height adjusting mechanism, the fin height adjusting mechanism has the advantages that due to the fact that four oil cylinders and corresponding control systems are eliminated, cost is greatly reduced; in addition, due to the fact that only the motor needs to work in an adjusting progress, adjusting of the fin height can be carried out even when the machine is in a working state, and working efficiency is high.

The invention discloses a well mouth assembling and disassembling method of a mechanical workover treatment intelligent elevator. The method comprises the steps that a well mouth platform of a frame structure is installed on a well mouth; an elevator disassembling device is installed on the left side of the well mouth platform, an elevator on the well mouth platform over the well mouth is disassembled to the right side of the well mouth through stretching and retraction movement of the elevator disassembling device, a connecting plate tilting in the lower right direction is hinged to the right side of the well mouth, the elevator is pushed by the elevator disassembling device to the connecting plate, and a suspension ring tilts rightwards due to the gravity center; a support is arranged on the right side, opposite to the left side provided with the elevator disassembling device, of the well mouth platform, the support is provided with an elevator assembling device, the elevator assembling device rotates to jack up the connecting plate where the elevator is placed, push the elevator to the well mouth and push the suspension ring to a large hook, and finally the elevator is assembled and disassembled on the well mouth. According to the mouth assembling and disassembling method of the mechanical workover treatment intelligent elevator, mechanical petroleum string tripping operation can be achieved when no operator exists on the well mouth, the labor intensity of workers is lowered, and potential safety hazards are reduced.

The invention relates to the technical field of tunnel construction, in particular to a trestle with a postpositive drive and a method of installing and adjusting. The trestle with the postpositive drive includes a main bridge which is arranged on a support surface, and the included angle between the bridge face of the main bridge and the support surface is sharp. The front and rear ends of the main bridge are correspondingly connected with a front approach bridge and a rear approach bridge. The front approach bridge includes an inclined section and a horizontal section, and the included anglebetween the bridge face of the inclined section and a horizontal face is sharp. The horizontal section is connected with the main bridge, and the length of the front approach bridge is longer than the length of the main bridge. The overall structural form of the existing trestle is changed, the length of the front approach bridge is greatly increased, and the length of the rear approach bridge isshortened. Therefore the construction area scope of paving an inverted arch template and pouring concrete is enlarged, the construction space is become spaciously, and the construction efficiency isfurther improved by ensuring that a construction vehicle can pass through the trestle smoothly and safely.

The invention discloses an immersive frying, cooking and marinating machine. The machine comprises a frame body and a processing pot mounted below the frame body, a conveying belt of which the middlepart can sink into the processing pot is mounted on the frame body, and a pressing mechanism for driving the middle part of the conveying belt to sink into the processing pot is mounted above the conveying belt. The machine has reasonable design and ingenious structure, is convenient to use, and is an immersive food processing device for marinating or frying or boiling foods. The conveyor belt with reasonable design is arranged, and the middle part of the conveying belt can sink, so the foods are driven by the conveying belt to enter the processing pot together and are processed; a pressing mechanism is reasonably designed, and the pressing mechanism can be ingeniously matched with a conveying belt telescoping mechanism, so that foods are brought into the processing pot, do not float during processing, and are processed sufficiently, whole conveying and food processing are integrated, automatic conveying is achieved, manual carrying of other workers is not needed, the automation degreeis high, and the food can be processed on a large scale.

The invention provides a compound embossing machine used for an antibacterial anti-mite quilt, and belongs to the technical field of quilt and clothes processing. The compound embossing machine comprises a unwinding transferring device, a compound embossing device and a winding device, wherein the unwinding transferring device comprises an upper polyester fiber fabric unwinding transferring mechanism, a cotton-fleece unwinding transferring mechanism, and a lower polyester fiber fabric unwinding transferring mechanism; and the compound embossing device comprises a flattening mechanism, a compounding mechanism, an embossing mechanism and a compound embossing drive mechanism; and the winding device comprises a winding mechanism and a winding guide mechanism. The compound embossing machine canquickly and efficiently realize compound embossing and processing of the antibacterial anti-mite quilt, is reasonable and compact in structure, is high in production efficiency, and is good in stability.

The invention discloses a spiral particle stent. The spiral particle stent comprises a tubular particle carrier, radioactive particles are arranged in the particle carrier, and the particle carrier is in a tightly arrayed spiral state under natural conditions. When the two ends of the particle carrier are pulled, adjacent spiral coils are separated. When the spiral particle stent is used in a patient, the radioactive particles are fixed into the particle carrier, the particle carrier is pulled into a long and thin state from a thick spiral state, so that the particle carrier is convenient to introduce into the patient body, after the particle carrier enters the patient body, pull force of the particle carrier is removed, the particle carrier is retracted into the thick spiral state again, an obstruction position of a patient cavity is expanded, it is ensured that the patient cavity is smooth up and down, and the radioactive particles in the particle carrier can further carry out irradiating treatment on the neoplastic lesion position. The tubular particle carrier can conveniently carry the radioactive particles, and the situation that the radioactive particles fall in the human body and accordingly the health organization of the patient is affected is avoided.

A toothed rack angle lapping machine comprises a transverse traveling mechanism. A rack placement frame is arranged on one side of the transverse traveling mechanism and provided with a rack placement station parallel with the traveling direction of the transverse traveling mechanism. A grinding wheel machine is arranged above the rack placement station. The transverse traveling mechanism drives the grinding wheel machine to travel transversely. The grinding wheel machine is connected with a swinging shaft and controlled by elastic force. Under the action of the elastic force, the grinding wheel machine has the trend of rotating around the swinging shaft and enabling a grinding wheel piece to get close to the rack placement station. According to the toothed rack angle lapping machine provided in the scheme, a rack subjected to heat treatment is subjected to finish angle lapping by adopting a copying following principle, the machining accuracy is high, the consistency is high, and time and labor are saved.

The invention discloses a built-in magnetic liquidometer which is characterized in that a floater arranged in an actual liquid level in the container can directly measure the water level in the container, is a primary meter for measuring the water level in the container, and has accurate and reliable measurement results; a magnetic component driven by the floater is installed in a low-temperature tube under an upper barrel to reduce the high-temperature demagnetization, thereby enhancing the reliability of the measuring device; a transmission mechanism is connected in a sleeving mode, thereby being convenient to overhaul; and a corresponding density compensation calculation formula is utilized to compensate the measurement result, thereby reducing the measurement error and enhancing the measurement accuracy.

The invention relates to an examination bed for department of gynaecology and obstetrics, and in particular to an easily adjustable examination bed for department of gynaecology and obstetrics. The invention aims at solving the technical problem of providing the easily adjustable examination bed for the department of gynaecology and obstetrics, which can be easily adjusted and can facilitate a pregnant woman to get up and get down and which is beneficial for reducing burden of medical personnel. In order to solve the technical problem, the easily adjustable examination bed for the department of gynaecology and obstetrics provided by the invention comprises a base, a fixed plate, a sliding rail, a sliding block, a movable block, a contact block, a bed board, an inverted U-shaped rod, a guide plate, a first locating screw rod, a first connecting rod, a second connecting rod and the like, wherein the fixed plate is arranged on the left part of the upper side of the base; the sliding railis arranged in the middle of the upper side of the base; and the sliding block is arranged on the sliding rail in a sliding mode. The easily adjustable examination bed for the department of gynaecology and obstetrics provided by the invention can be easily adjusted, facilitate the pregnant woman to get up and down smoothly and reduce workload of the medical personnel.

The invention discloses a walking aid for going upstairs or downstairs. The walking aid comprises a base, an upper sleeve, a ball screw nut pair, a nut base, a pedal, a pin shaft, a direct-current gear motor, a coupler, a storage battery, a control part and the like. The base and the upper sleeve are connected to form a whole shell of the walking aid, the ball screw nut pair is installed in the middle of the base, the direct-current gear motor is installed above the base, the ball screw nut pair is connected with the pedal through the nut base and the pin shaft, the direct-current gear motor drives the ball screw nut pair to rotate through the coupler and drives the pedal to operate vertically through the nut base, the pedal can rotate upwards around the pin shaft, the storage battery and the control part are installed in the upper sleeve, and a handle and a control key are arranged on the upper portion of the upper sleeve. The walking aid has the advantages of being convenient to carry, easy to operate, safe to use and capable of helping the old or the disabled to go upstairs or downstairs steadily.

The invention provides a wind-resistance gauze window, which belongs to the technical field of articles for daily life, and solves the problems of poor wind resistance capacity, short service life and poor buffer effect existing in the conventional gauze window. The wind-resistance gauze window comprises a window cover, a bottom rail and gauze curtain cloth, wherein two side edges of the gauze curtain cloth are provided with side rails and the side rails are positioned between the window cover and the bottom rail; a reel pipe is arranged in the window cover; a booster spring is arranged in the reel pipe; the upper end of the gauze curtain cloth is fixedly connected with the reel pipe; the side rails are both provided with rails of which openings are open; guide rods are arranged in the rails; the external diameter of the guide rods is greater than the aperture at the open rail openings; both sides of the gauze curtain cloth are fixedly connected with skirt edges and the skirt edges are sleeved on the guide rods and can move up and down along the guide rods; and the reel pipe is provided with a damping slow-down mechanism which can drive the skirt edges to move upwards at a uniform speed along the guide rods when the gauze window cloth is recovered by the reel pipe. The wind-resistance gauze window has the advantages of rational design, high wind resistance capacity, good buffer effect and long service life.

The invention relates to the technical field of plastic production, in particular to high-modulus sheet molding compound production equipment and method. The high-modulus sheet molding compound production equipment comprises a base table, a supporting frame, a moving assembly, a propelling assembly and a lifting assembly. By adjusting the height of a collecting box, supporting plates are placed on supporting strips with different heights till the collecting box is full, therefore, the streamlined degree of production and processing of the equipment is realized, and the efficiency of production and processing is improved; by arranging the collecting box, the high-modulus sheet molding compound obtained after injection molding can be cooled; meanwhile, machined products can be transferred conveniently, thus the use convenience of the equipment is improved; and by arranging the supporting strips, the collecting box can conduct layered management on products machined by the equipment conveniently, adhesion in the cooling process is avoided, meanwhile, the capacity of the collecting box of the equipment is improved, and therefore the operation frequency of transferring is reduced, and the production and machining cost is reduced.

The invention discloses a suspended suction device which is characterized by comprising a water pump mounting tank, a buoy arranged on the water pump mounting tank, and a liquid level induction device, wherein the outer wall of the water pump mounting tank is sleeved by an inner tube; and a solenoid valve capable of inflating and deflating the inner tube is arranged inside the water pump mounting tank. The suspended suction device disclosed by the invention has the beneficial effects that the inner tube can be automatically inflated and deflated by virtue of the solenoid valve, so that the function of changing the buoyancy of the inner tube is realized, the whole device is further controlled to stably ascend and descend, and the floating sundries can be stably and efficiently filtered and collected. The buoy is used for stabilizing the system, and after the whole box body sinks below the liquid level, the box body does not sink to the bottom. The liquid level induction device is used for inducing the liquid level, and when the liquid level is far higher than the height of the box body, inflation is performed, and the solenoid valve is controlled to deflate when the liquid level is far lower than the height of the box body. According to the whole device, the floating objects are effectively treated, the treatment efficiency is improved, and the waste of resources is reduced.

The invention discloses a wheelchair capable of walking up and down stairs. The wheelchair comprises a wheel carrier, wherein the top surface of the wheel carrier is provided with a seat; the wheel carrier comprises two strip-shaped brackets which are arranged horizontally in parallel; the inner sides of the two strip-shaped brackets are provided with connecting frames, and the two ends of the connecting frames are connected with the strip-shaped brackets respectively; the outer sides of the front and back ends of the strip-shaped brackets are provided with electric walking wheels for walking; the lower surfaces of the front and back ends of the strip-shaped brackets are provided with frame legs extending downwards and vertically respectively; a stair climbing device which is parallel to the strip-shaped bracket is further arranged between the two frame legs; the front end and the back end of the stair climbing device are provided with elastic connectors, and are connected with the frame legs respectively; the stair climbing device is provided with a plurality of stair climbing wheels for climbing stairs along the frontward-backward direction; the lowest points of the stair climbing wheels are higher than the lowest points of the electric walking wheels. The wheelchair has the advantages of simple structure, convenience in operation, low manufacturing cost, capability of walking up and down stairs stably, high stability, capability of preventing overturning and high climbing efficiency.

The invention relates to a rehabilitation bed, in particular to a rehabilitation bed special for an elbow in orthopedic department. The invention aims at providing the rehabilitation bed special for the elbow in the orthopedic department, which can save time, does not need medical workers to move legs of an orthopaedics patient and can reduce the workload. The technical scheme is that the rehabilitation bed special for the elbow in the orthopedic department comprises a bed board, supporting legs, a sliding rod, sliding sleeves, a limiting block, an arc-shaped rod, a pedal, a hollow casing pipe, a connecting rod, a fastening bolt, a rack, a first spring, a mounting plate and the like, wherein two supporting legs are respectively connected to the left side and the right side of the bottom ofthe bed board; a through groove is formed in the right part of the bed board; the sliding rod is arranged at the upper part between the two supporting legs on the front side; two sliding sleeves arearranged on the sliding rod in a sliding manner. According to the rehabilitation bed disclosed by the invention, the orthopaedics patient continuously rightward pushes the pedal with feet to drive theelbow of the orthopaedics patient to vertically swing, therefore, the operation of moving the elbow of the orthopaedics patient by the medical workers is avoided, and further the time can be saved.

The invention discloses a movable type deep well burning oil layer ignition tubular column and an ignition method of the tubular column. The ignition method comprises the steps that an oil tube, a high-temperature heat-insulating tube and a high-temperature screen tube which are connected together are sent to a casing tube; a continuous tube electric igniter and a continuous tube type optical fiber ultra-high-temperature measuring cable are sent to the oil tube; the continuous tube electric igniter and the continuous tube type optical fiber ultra-high-temperature measuring cable are connected to respective ground control systems respectively; air section plugs with the number on schedule are injected into the oil tube and annular space formed between the oil tube and the casing tube; the ground control system of the continuous tube electric igniter and the ground control system of the continuous tube type optical fiber ultra-high-temperature measuring cable are started respectively, and air in the oil tube is heated; the air in the oil tube enters the casing tube through a high-temperature screen tube, and heating ignition is carried out on the oil layer. The movable type deep well burning oil layer ignition tubular column can protect an ignition device and an underground tubular column, and the ignition success rate is improved.