48results about How to "Adjust lift" patented technology

The invention discloses a ducted coaxial multi-rotor type aircraft and belongs to the field of special aircrafts. The multi-rotor type aircraft comprises an airframe structure, a power system and a control system. The airframe structure comprises a central duct, a main rotor and a plurality of assistant rotors evenly distributed at the peripheral of the central duct. The main rotor comprises an upper propeller and a lower propeller. The upper and lower propellers are fixed in the central duct. The centers of the upper and lower propellers are at the same vertical axis and the directions of the upper and lower propellers are opposite. A rotation device is connected to the outside of a supporting structure. The assistant rotors are connected to the rotation device through retractable rocker arms. The rotation device controls the rocker arms to drive the assistant rotors to rotate around connection points of the assistant rotors and the supporting structure. The assistant rotors can rotate and move freely, and therefore the aircraft can change the lift force distribution of the aircraft according to flight needs and a good maneuvering characteristic of the aircraft is achieved. The assistant rotors can be retracted into the inside of the central duct so as to reduce the size of the aircraft, thus facilitating flight in narrow spaces.

The invention discloses an automatic reducing low-deformation offshore deep-water cage, relating to a cage for marine aquiculture. The invention is capable to reduce the deformation of the cage and the flow rate of the sea water inside the cage. The invention comprises a buoyancy frame, a cage, a sinking ring, a sinking block and an anchoring rope. A supporting and lifting control ring bigger than the buoyancy frame and the diameter of the sinking ring is arranged at the one second depth of the cylindrical cage; a water inlet and a water outlet are arranged in the pipe wall of the supporting and lifting control ring; a girdle rubber inner bag which regulates the lifting and descending of the cage is arranged in the ring pipe; an air-valve is installed in the rubber inner bag and connected with the air supply by a pressure hose; between the outer ring and the supporting and lifting control ring of the double-ring buoyancy frame, the bottom outline of the cylindrical cage and the bottom sinking ring, a plurality of flexible ropes are located and connected according to the ring at geometric proportion, and a netting is arranged among the connecting ropes of the three rings; and finally, a flexibly connected automatic reducing low-deformation offshore deep-water cage with a cylindrical inside and a two-cone platform outside is formed, the stress point of the anchoring rope of the cage is arranged at the supporting and lifting control ring.

The invention relates to the technical field of LED lamps, and discloses an LED street lamp that effectively enhances the illumination range and can adjust the position. It is fixedly connected with the transmission shaft, the top end of the transmission shaft penetrates and extends to the top of the stability box, the top end of the transmission shaft is fixedly connected with a threaded rod, and the top end of the threaded rod is threaded with a threaded pipe. The LED street lamp that can effectively enhance the illumination range and adjust the position can realize lighting through the normal operation of the light bulb, and can make the slider slide in the chute through the extension and shortening of the first hydraulic telescopic rod, so that the partition can be adjusted. The lifting of the plate facilitates the adjustment of the distance between the light bulb and the convex lampshade, and the adjustment of the range of illumination. The angle of the light bulb can be adjusted through the extension and shortening of the second hydraulic telescopic rod, which is more convenient to enhance the range of illumination.

The invention provides a full-service-life propeller hub structure. The full-service-life propeller hub structure comprises a propeller hub center piece, a blade spindle, a propeller clamp and blades,wherein the blade spindle is connected with the propeller hub center piece and the propeller clamp, the blades are arranged on the tail end of the propeller clamp, a first bearing, a second bearing and a third bearing are successively arranged on the blade spindle along the tail end of the propeller clamp, the blade spindle is provided with a step surface, and the second bearing and the third bearing are respectively arranged on two sides of the step surface. Two mounting bearings of a helicopter rotary wing propeller hub are used for sharing a centrifugal force of the rotation of the propeller blades, so that the service life of the bearing is greatly prolonged, and the full-service-life use of an unmanned helicopter can be satisfied.

The invention provides a floating type fishing device suitable for underwater long columnar objects, and belongs to the technical field of salvage operation. The device comprises a main body rack, a buoy, a plurality of annular fishing arms, a propeller assembly and a control system, wherein the buoy, the propeller assembly, the annular fishing arms and the control system are all installed on themain body rack, the control system controls actions of the buoy, the annular fishing arms and the propeller assembly, the fishing device can autonomously and stably adjust lifting of the equipment inwater through a buoyancy adjusting function of the buoy, and the fished equipment can be prevented from sliding out of the bearing range of an annular support during fishing operation lifting througha longitudinal blocking device; and a nozzle on the annular support is communicated with a high-lift water pump, so that the resistance of the annular support penetrating through the equipment to be fished is greatly reduced. The fishing device can adapt to various fishing environments, the fishing efficiency is high, the danger caused by manual work in the prior art is avoided, and the operationsafety is improved.

The invention discloses a power equipment supporting seat which comprises a base station, four first gears positioned at four corners of the base station and an electric fan positioned in the middle of the base station. A mounting platform is arranged on the base station and fixedly connected with a big gear, a chain meshed with the big gear is arranged outside the big gear, each first gear is meshed with the chain, and one of the four first gears is meshed with a rack; a controller and temperature and humidity sensors are arranged on the base station, a screw is fixedly connected on each first gear, a supporting frame sleeves each screw, a threaded hole matched with the corresponding screw is arranged at one end of each supporting frame, the other end of each supporting frame is fixedly connected with an equipment baseplate, and the temperature and humidity sensors and the electric fan are connected with the controller. Lifting and lowering of the supporting seat can be adjusted; a cooling fan is arranged, so that convenience is brought to cooling of power equipment, working intensity of maintaining personnel is lowered, and working efficiency of the maintaining personnel is improved.

The invention relates to the technical field of flat metal heald double-row punching, and discloses a flat metal heald double-row punching line finished product cutting and left-right conveying device. The flat metal heald double-row punching line finished product cutting and left-right conveying device comprises a conveying track, supporting plates are fixedly connected to the left end and the right end of the bottom of the conveying track, multiple groups of supporting legs are fixedly connected to the lower surface of the conveying track, and an adjusting device is arranged in the middle ofthe conveying track. According to the flat metal heald double-row punching line finished product cutting and left-right conveying device, a handle rod can drive a rotating rod to rotate, and then a threaded rod can rotate; auxiliary limiting can be conducted on the threaded rod through a limiting block and an auxiliary block; and through cooperation of the threaded rod and an adjusting rod, firstracks and second racks can be moved, first gears and second gears can rotate, the height of a top plate can be adjusted through cooperation of first lifting rods, second lifting rods and auxiliary supporting rods, and then punching blocks can be adjusted.

The invention relates to a building material processing device, in particular to a stone three-step polishing device. The stone three-step polishing device comprises an installing frame, a stone lifting mechanism, a stone moving mechanism, a stone adjusting mechanism and a three-step polishing mechanism, wherein the stone lifting mechanism is fixedly installed on the installing frame, the stone moving mechanism is fixedly installed on the stone lifting mechanism, the stone adjusting mechanism is fixedly installed on the stone moving mechanism, and the three-step polishing mechanism is fixedlyinstalled on the installation frame. According to the stone three-step polishing device, the device is readjusted to adapt to stones during stone grinding each time, guarantees the grinding and polishing effect, has the function of adjusting the grinding depth, has the function of adapting to the stones with different sizes and thicknesses, has the function of assisting in improving the grinding and polishing effect, and has the function of adjusting the grinding range according to the sizes of the stones.

The invention relates to a feeding device of a steel pipe cutting machine. The feeding device of the steel pipe cutting machine comprises a feeding frame. A storage unit, a pipe transferring unit anda pipe conveying unit are arranged on the feeding frame. The storage unit is fixedly connected to the feeding frame, and the pipe conveying unit is arranged on the outer side of the storage unit. Thepipe transferring unit is located between the storage unit and the pipe conveying unit and is used for transferring steel pipes on the storage unit to the pipe conveying unit. The pipe transferring unit comprises a first rack support, a first rack, a pipe transferring base plate, a first gear shaft and a pipe transferring support. The pipe conveying unit comprises a pipe conveying base plate, a pipe conveying supporting plate, a pipe conveying positioning plate, a second gear shaft and a lead screw. The lead screw is connected with the first gear shaft through a bevel gear. A sliding sleeve isarranged on the lead screw. A connecting plate is fixedly connected to the sliding sleeve. Two supporting rods are arranged on the connecting plate. Roller bases are fixedly connected to the upper ends of the supporting rods. Pipe conveying rollers are arranged on the roller bases. The feeding device of the steel pipe cutting machine is good in universality and high in efficiency.

A dual-purpose rod for a curtain without a pulling rope comprises a rod body and a rod head. The rod head is provided with a flange and a driving part. One end face of the flange is arranged at one end of the rod body. The driving part is arranged on the end face, back to the rod body, of the flange and used for being connected to a curtain blade angle adjuster in an assembled mode so that the dual-purpose rod can drive the curtain blade angle adjuster, and the curtain blade angle adjuster can adjust the angles of curtain blades further. Besides, the dual-purpose rod can apply push-up force toa lower beam through the flange directly or is in clamped connection with the lower beam and then pulls the lower beam downwards, and accordingly the opening and closing actions of the curtain bladescan be achieved.

The invention discloses a chassis of a semi-trailer, which comprises a vehicle frame (1) capable of being connected with a tractor, a chassis support leg (2) fixed on a longitudinal beam (11) of the vehicle frame (1), and the chassis support leg (2) It includes an outer sleeve (16), an inner sleeve (18) which is set inside the outer sleeve (16) and can move along the outer sleeve (16), the cylinder body is fixed on the outer sleeve (16), and the telescopic rod and The piston cylinder (17) connected to the bottom of the inner sleeve (18), the outer sleeve (16) and the inner sleeve (18) are provided with a switch for switching the positions of the outer sleeve (16) and the inner sleeve (18). There are several sets of pin holes, and the chassis leg (2) also includes a positioning pin (20) passing through a set of pin holes to position the outer sleeve (16) and the inner sleeve (18). The semi-trailer chassis effectively improves the working stability of the mobile screening station when it is working. The invention also discloses a mobile crushing and screening station comprising the above-mentioned semi-trailer chassis.

The invention discloses a two-rotary-wheel type unreeling wheel. The two-rotary-wheel type unreeling wheel comprises a supporting frame. Unreeling wheel bodies are arranged on the supporting frame. An unreeling groove is formed in the periphery of each unreeling wheel body. The supporting frame comprises an installing plate and a lateral plate connected with the installing plate. An installing end is arranged at the end of the installing plate. The lateral wall of the installing end is provided with a limiting pillar making contact with the lateral plate. The limiting pillar, the lateral plate and the installing end are fixedly connected through a fixing pin. An open groove is formed in the bottom end of the installing plate and provided with a tapping screw. The supporting frame can play a role in supporting the unreeling wheel bodies, and the two unreeling wheel bodies can work conveniently. The unreeling wheel bodies can be installed firmly through an installing pillar, and the unreeling wheel bodies are installed more firmly through a locking ring. Lifting of the installing plate can be adjusted through the tapping screw, and therefore lifting of the unreeling wheel bodies is adjusted, and flexibility is better.

The invention discloses a supporting structure for mounting a LED display screen, and relates to the technical field of building template conveying, the supporting structure comprises a fixed base, wherein a top plate is arranged at the top of the fixed base, moving mechanisms are arranged in the top plate, two supporting columns are symmetrically arranged between the fixed base and the top plate, and lifting mechanisms are arranged in the two supporting columns; two lifting plates are symmetrically arranged between the two supporting columns, and limiting mechanisms are arranged in the two lifting plates. The supporting structure for mounting the LED display screen has the advantages that the LED display screen can be conveniently mounted and operated, the purpose of limiting and fixing can be achieved only by rotating a rotating disc during use; and meanwhile, the LED display screens of different models and sizes can be limited and operated, and therefore, the situation that only the LED display screens of the same model can be mounted is avoided; and the LED display screens can be conveniently adjusted and lifted, and therefore, different mounting operation requirements are met.

The invention belongs to the technical field of medical equipment and discloses a nursing bed for nursing in the obstetrics and gynecology department. The nursing bed comprises a bed board, a carryingpiece and a base; the upper end of the bed board is connected with the bottom of a headrest through a rotating shaft, the surface of the headrest is provided with a silicone pillow, the left side ofthe headrest is provided with a control panel, the control panel is provided with a display screen, and control buttons are arranged at the portion, at the left side of the display screen, on the control panel. According to the nursing bed, by arranging the silicone pillow at the headrest part, a patient can lie on the bed more comfortably; the bottoms of fixing plates are provided with electromagnets, and the lower end of the bed board is magnetic so that the bending angle of the portion, at the legs of the patient, of the bed board can be adjusted; by inserting pins into different pin holes,lifting rods can be adjusted to ascend and descend to achieve the purpose of adjusting the height of hooks; sleeves slide in sliding grooves so that the purpose that the lifting rods move along the bed sides can be achieved; by arranging a rotating shaft a and a hydraulic rod at the bottom of the bed board, the bending degree of the bed board can be adjusted; through the rotation of a rotating shaft b, the bed board can be rotated.

The invention discloses an electric vehicle capable of horizontally moving a cushion, comprising a vehicle body and a connecting shaft, the vehicle body is connected with a support rod, and the support rod is provided with a second chute, and the outer end of the connection shaft penetrates through the The second chute is connected with the adjustment knob, and the outer side of the connecting shaft is connected with a supporting device, and the upper and lower ends of the supporting device are respectively connected with the connecting rod and the supporting rod, and the upper end of the connecting rod is equipped with a supporting plate, And the upper end of the support plate is provided with a splint. The electric vehicle that can move the seat cushion horizontally can facilitate the user to adjust the lifting of the connecting rod, and can reduce the effort that the user spends when adjusting the height of the seat cushion, so that it is convenient for the user to use and can improve the safety of the user when using the electric vehicle in winter. Comfortable, and can reduce the probability of accidents, can make the seat cushion slide horizontally, and can fix the horizontal position of the seat cushion to avoid horizontal sliding due to the inertia of the user when riding, thereby increasing the safety factor of the electric vehicle .

The invention discloses a designing major hand-operated drawing board. The designing major hand-operated drawing board comprises a drawing board body. First fixing frames are symmetrically distributedat the upper end of the back face of the drawing board body. Second fixing frames are movably connected with the first fixing frames through telescopic grooves. A fixedly connected connecting rod isarranged between the second fixing frames. An adjusting groove is formed in the connecting rod. Two first adjusting shafts are arranged in the middle of the adjusting groove. Each first adjusting shaft is provided with a first driving gear and a second driving gear. The first driving gears are engaged with each other. Second driven gears are connected with the adjacent second driving gears throughchains. The inner sides of the first fixing frames are provided with a rack engaged with the second driven gears. The connecting rod is provided with a fixing hole. The outer sides of the first adjusting shafts are provided with a rotary plate. A handle bar is arranged on the outer side of the rotary plate, an operator can directly rotate the rotary plate, the drawing board is adjusted to go up and down, and adjustment is quite convenient and quick.

The invention relates to a high-speed rail transit device which comprises a power cavity, a rail-holding suspension cavity and a passenger and cargo compartment, and is characterized in that the passenger and cargo compartment is of a compartment body structure; the power cavity is arranged between the passenger and cargo compartment and the rail-holding suspension cavity and is defined by a power cavity bottom plate, a passenger and cargo compartment bottom plate, a rail-holding windward plate and a shell, a power cavity air inlet is formed by an opening in the front end of the power cavity, a power cavity lower nozzle is formed by an opening in the rear end of the power cavity, the power cavity lower nozzle is reserved between the power cavity bottom plate and the passenger and cargo compartment bottom plate, the power cavity air inlet is further provided with a protective grating, and the area of the power cavity air inlet is larger than that of the power cavity lower nozzle. According to the high-speed rail transit device, the front end of a jet sucks air from the air inlet of the power cavity and then jets high-pressure air from the lower nozzle of the power cavity, the high-pressure air flows between the passenger and cargo compartment and the rail device, and an air cushion is formed between the passenger and cargo compartment and the rail device due to exhaust limitation and high air pressure to generate lift force and advancing power.

The invention belongs to the technical field of advanced manufacturing and automation, and particularly discloses an intelligent robot for stoma patients. The intelligent robot comprises a robot shell, a movement mechanism is arranged at the bottom end of the robot shell, a collection cavity, a supply cavity and a control mechanism are arranged in the robot shell, an ostomy bag collection mechanism is arranged in the collection cavity, and an ostomy bag supply mechanism is arranged in the supply cavity. The control mechanism comprises a panoramic camera, a recognition camera, a laser radar, a distance sensor, a control processor arranged in the robot shell and a rechargeable battery pack electrically connected with the control processor, wherein the panoramic camera, the recognition camera, the laser radar and the distance sensor are arranged at the top end of the robot shell, a timing module is arranged on a controller, and the control processor is electrically connected with a touch display screen and a sound alarm which are arranged on the robot shell. A control button electrically connected with the control processor is arranged on the robot shell.

The invention discloses a high-efficiency colloid mill for processing dairy products, comprising a box body, a feeding hopper fixed with the top of the box body, a grinding component installed in the box body, and a position fixed to the side wall of the box body near the bottom of the box body The discharge pipe is connected with each other, and the grinding assembly includes a rotating rod rotatably installed on the bottom wall of the box body, a rotating tooth fixedly sleeved on the rotating rod, and a fixed tooth installed in the box and matched with the rotating tooth. The bottom of the fixed tooth is provided with There is a blanking opening, and an adjusting component for adjusting the distance between the fixed teeth and the rotating teeth and a lower driving component for driving the rotating rod to rotate are installed on the box body. In this solution, when products with different finenesses need to be obtained, the staff only needs to adjust the distance between the fixed teeth and the rotating teeth by adjusting the components, until the fineness of the processed products is stable and meets the production requirements, stop The adjustment of the distance between the fixed teeth and the rotating teeth is beneficial for the staff to process corresponding products according to different fineness requirements.

The invention discloses an adjusting mechanism for a thin film packaging machine and a longitudinal sealing force arm. The adjusting mechanism is arranged between a packaging machine body and the longitudinal sealing force arm. The adjusting mechanism comprises a fixing base, an adjusting block, a screw rod and nuts matched with the screw rod. The fixing base and the adjusting block are fixed to the packaging machine body and the longitudinal sealing force arm respectively. The fixing base and the adjusting block are each correspondingly provided with an outward-vertical U-shaped through groove. The screw rod is vertically arranged inside the U-shaped through grooves in the fixing base and the adjusting block. The upper end of the fixing base, the lower end of the adjusting block and the portion, between the fixing base and the adjusting block, of the screw rod are each provided with a nut. The adjusting mechanism has the beneficial effects that stress applied to the adjusting mechanism when longitudinal sealing force arm is inclined can be effectively released, and deformation of the screw rod is avoided; and the longitudinal sealing force arm can be conveniently adjusted to ascend and descend by rotating the nuts. The adjusting mechanism is simple in structure and convenient to use and has the good practicability.

The invention discloses a big arm mechanism. The big arm mechanism is installed on a vehicle body of a desilting robot and comprises a connecting square pipe and big arms arranged on the two sides ofthe connecting square pipe, wherein the two ends of the connecting square pipe are welded to the two big arms, the positions, close to the square pipe, of the bottom faces of the big arms are rotationally connected with piston ends of big arm lifting oil cylinders through lifting oil cylinder piston pin shafts, cylinder body ends of the big arm lifting oil cylinders are located on the lower sidesof the big arms and rotationally connected to the vehicle body through lifting oil cylinder body pin shafts, and the large-arm lifting oil cylinders are used for driving the large arms to move up anddown on the vehicle body. According to the big arm mechanism, aiming at the defects of the existing equipment, the large arms and the large arm lifting oil cylinders are designed to be symmetrically arranged, so that the balance moment is favorably obtained, and the operation is more reliable; and the height of a trailing suction screw is adjusted, the working efficiency is greatly improved underthe condition that the dredging effect is guaranteed, the risk of hydraulic oil leakage is avoided, the using effect is good, and the market prospect is wide.

The invention discloses a full-automatic disc brake pad grinding treatment device. The full-automatic disc brake pad grinding treatment device comprises a fixing box, wherein a first motor is arranged at the bottom of the fixing box; the output end of the first motor penetrates through the fixing box and extends into the fixing box; two fixing shells are symmetrically arranged in the fixing box; rotating mechanisms are arranged at the bottoms of the two fixing shells; second fixing plates are fixedly connected to top end faces of two fixing shells; and rotating mechanisms are arranged in the second fixing plates. The full-automatic disc brake pad grinding treatment device has the beneficial effects that a brake pad can be limited and fixed, and meanwhile the protection effect is achieved; the brake pad is prevented from being fixed in a clamping mode, so that the phenomenon of clamping deformation of the brake pad is not prone to occurring; meanwhile, the brake pad can be lifted, so that operation of different grinding thicknesses can be met; and the rotating effect is achieved, and the grinding efficiency can be improved through cooperation of a grinding assembly.