63results about How to "Change air pressure" patented technology

This invention relates to a laser pulse expansion and compression device charactering that it is composed of a super-short pulse laser, a chirp control system, an energy control system, a non-linear action system, a dispersion compensation system and a test system, which can either expand spectrums and compress pulses or compress spectrums and expand pulses.

The invention discloses a variable-rigidity flexible joint driving mechanical arm. The variable-rigidity flexible joint driving mechanical arm comprises a manipulator, two flexible joint driving assemblies and two variable-rigidity support connection assemblies, wherein one end of one variable-rigidity support connection assembly is connected with the manipulator, and the other end is connected with one flexible joint driving assembly; one end of the other variable-rigidity support connection assembly is connected with one flexible joint driving assembly, and the other end is connected with the other flexible joint driving assembly; and the flexible joint driving assemblies and the variable-rigidity support connection assemblies are all connected with an air source. Through adoption of thevariable-rigidity flexible joint driving mechanical arm disclosed by the invention, variable rigidity can be realized, and the air pressure of each assembly can be adjusted flexibly according to theload, so that the rigidity of the entire mechanical arm is changed, and the load capacity of the flexible mechanical arm is greatly improved. At the same time, the variable-rigidity flexible joint driving mechanical arm can make a bending action imitating a pick-up action of a person, does not cause harm to the person in the human-machine interaction with the variable rigidity, is suitable for medical devices for transferring patients, and is wide in application prospect.

The invention discloses an obstacle-crossing wall-climbing robot and an obstacle-crossing method of the obstacle-crossing wall-climbing robot. The obstacle-crossing wall-climbing robot comprises a body support, adsorption mechanisms, vertical motion mechanisms, suspension mechanisms and walking wheels. At least two adsorption mechanisms are arranged, the number of the vertical motion mechanisms corresponds to that of the adsorption mechanisms, and each adsorption mechanism is connected with the body support through the corresponding vertical motion mechanism; the multiple walking wheels are all connected with the body support through the suspension mechanisms, and the obstacle-crossing wall-climbing robot moves through the walking wheels; and the body support can support the vertical motion mechanisms and the suspension mechanisms of the obstacle-crossing wall-climbing robot. The obstacle-crossing wall-climbing robot can freely walk on a vertical or oblique wall face and is high in obstacle-crossing capacity, good in coordination and stability, high in load capacity and capable of being applied to multiple fields. The obstacle-crossing wall-climbing robot can stably cross an obstacle through the obstacle-crossing method.

The invention provides a feed storage device, and relates to the field of feed storage. The feed storage device comprises a cover plate, a handle, a containing box and a bottom plate, the cover plate is movably connected with the outer wall of one side of the containing box through a hinge, the handle is arranged on the outer wall of the top end of the cover plate, the bottom plate is connected with the outer wall of the bottom end of the containing box, a buffer mechanism is arranged on the outer wall of the bottom end of the containing box, a ventilation mechanism is arranged above the buffer mechanism, movable plates are arranged between the inner wall of the containing box and the buffer mechanism, and a movable mechanism is arranged on the outer walls of the bottom ends of the movable plates. According to the feed storage device, feed can be turned over, the situation that loss of nutritional ingredients is caused by local overheating of the feed in the transportation process is prevented, when rotating plates move, the feed at the bottom is turned over upwards, the turning effect on the feed can be further enhanced, automatic heat dissipation can be conducted on the interior of the containing box through the change of the speed of a transportation vehicle, and energy can be saved.

The invention discloses an adjusting device and method for preventing automobile instability due to high-temperature tire bursting and belongs to the field of electronic control systems of automobilesafety. The adjusting device comprises a sensor module, an electronic control unit, an automobile state adjusting device and an alarm lamp. Through information exchanging of electric signals between devices, quick response is conducted to change the automobile traveling state so as to change the air pressure of a tire. The original steering action of a driver can be kept, the automobile speed is decreased, the situation that due to the overlarge tire pressure, the driver conducts operating mistakenly and thus stability is lost is avoided, meanwhile the change amplitude of the automobile speedis small, and the traveling safety is guaranteed. The invention further discloses the adjusting method. According to the adjusting method, the tire pressure can be monitored in real time when an automobile travels at the high temperature, and according to the traveling environment, the traveling posture of the automobile is changed to control the tire pressure of the automobile so as to prevent the automobile instability due to tire bursting.

The invention relates to the field of food processing, in particular to a food steamer applicable to processing of various kinds of steaming food. The invention aims at solving the technical problemsto provide the food steamer applicable to processing of various kinds of steaming food. By using the food steamer, pastries can be fast and conveniently steamed, and the steam discharging quantity canbe controlled. The food steamer applicable to processing of various kinds of steaming food comprises a fixed sieve disc, a fixing ring, a fixing rod, a rotating component, a regulating component, a steaming disc, a first rotating handle and a second rotating handle, wherein the fixing ring is uniformly and fixedly connected onto the fixing rod; the fixing sieve disc is fixedly connected onto thefixing ring; ventilation holes are uniformly formed in the inner bottom surface of the fixed sieve disc; the rotating component is fixedly connected with the fixing rod, and is positioned above the fixing ring; the steaming disc is in transmission connection with the output end of the rotating component, and is attached to the fixed sieve disc; steam holes are uniformly formed in the inner bottomsurface of the steaming disc; the first rotating handle is fixedly connected with the outer wall of the steaming disc. The effects of conveniently and fast steaming the pastry and controlling the discharging quantity are achieved.

The present invention relates to a device which is used for adjusting height of an automobile body relative to suspension. The device is provided with at least one spiral spring (2) which is used on the automobile body and supports a suspending part that is movable relative to the automobile body. Furthermore the device is provided with an airtight air hose (3) which is arranged in the spiral spring (2) and can be filled by air and is made of expandable material. The height adjusting device is characterized in that the air pressure in the air hose (3) can be changed by means of penumatic mechanisms (11,12,13) which utilize vibration energy of suspension. The air pressure in the air hose (3) can be changed by means of the pneumatic mechanisms (11,12,13) which utilize the vibration energy of the suspension.

The invention discloses a large-scale hollow profile extrusion forming method and device with a small-opening die utilized. The method includes the steps that inflation is conducted on a blank piece extruded from a die head through compressed air, a layer of narrow-seam-shaped air cushion with the same shape as the hollow shape of a product is formed in the blank piece, the blank piece is tightly attached to the inner wall of a vacuum shaping sleeve under further expansion of the air cushion, the hollow pipe product is formed under the synergistic effect of the air cushion and vacuum shaping, and the purpose that large-section hollow profiles are prepared continuously through the small-opening die is achieved. The device comprises an extrusion machine, the die head and a vacuum cooling shaping device which are sequentially connected. An inflation device is arranged in the die head and comprises a core rod, an air inlet pipe and an inner cold-air plug. The air inlet pipe is arranged in the middle of the core rod. The rod portion of the inner cold-air plug is arranged in the air inlet pipe. The head portion of the inner cold-air plug is arranged in a space between the die and the vacuum cooling shaping device. A blank forming runner is formed between the outer wall of the core rod and the die head. The method and device are simple in principle and easy to operate and control, and meanwhile the obtained product is wide in use range.

The invention relates to an automatic processing verification device for a metering detection standard meter assembly, which comprises a bottom plate, a clamping mechanism, a connecting mechanism, an air inlet mechanism, rotating mechanisms and a pushing mechanism, the clamping mechanism is installed on the bottom plate, the connecting mechanism is installed on the clamping mechanism, the rotating mechanisms are installed on the outer walls of the front end and the rear end of the bottom plate, the pushing mechanism is installed at the right end of the bottom plate, and the air inlet mechanism is installed on the pushing mechanism. The automatic processing verification device can solve the following problems existing during detection and verification of an existing pressure gauge: 1, during detection and verification of a pressure gauge, the pressure gauge cannot be stably positioned, so that the pressure gauge moves during detection and verification, the connection between an air inlet pipe and a pressure gauge connector is relatively complicated and unstable, so that the reading of a pressure gauge is inaccurate, and the judgment of detection personnel is influenced; and 2, the existing pressure gauge detection and verification equipment can only detect and verify a single pressure gauge, so that the detection and verification efficiency of the pressure gauge is reduced.

The invention relates to a safety protection device for an elevator in an intelligent community. The safety protection device comprises an elevator cage, an elevator shaft, a connecting frame plate, adriven wheel, a dragging steel wire rope, a dragging wheel, a counter weight and a bearing transverse plate. The bearing transverse plate is fixedly arranged in the elevator shaft. The elevator cageis arranged in the elevator shaft. The two ends of the dragging steel wire rope are connected to the lower end face of the bearing transverse plate and the upper end face of the counter weight correspondingly. The dragging steel wire rope is sequentially wound around the driven wheel and the dragging wheel. According to the safety protection device, an existing car platform sill elevator is improved, protecting assemblies are arranged on the top, the bottom and the side portion of a car platform sill, in this way, after the dragging steel wire rope breaks, falling of the car platform sill canbe avoided, safety risks can be avoided effectively, therefore, by means of improvement, in the using process of the elevator of the intelligent community, safety is improved greatly, and thus the device meets the market requirement better.

The invention discloses a spraying air supplementing pump capable of being adjusted and controlled, and relates to the field of spraying air supplementing pumps. The following scheme is currently provided in order to solve the problems that the internal pressure of an existing air supplementing pump cannot be adjusted, so that objects to be subjected to air supplementing are easily damaged. The spraying air supplementing pump comprises a body, an inlet, a nozzle and an air supplementing pump body. The spraying air supplementing pump is characterized in that a baffle is arranged in the body, passageways are formed in the front side edge and the rear side edge of the baffle, a motor is arranged on the left side of the body, the output end of the motor is fixedly connected with a screw, the surface of the screw is sleeved with a first push plate through threads, the front side edge and the rear side edge of the first push plate are fixedly connected with connecting plates, the ends, awayfrom the first push plate, of the connecting plates are fixedly connected with a second push plate, the right side face of the baffle is fixedly connected with a connecting rod, groove bodies are formed in the front inner wall and the rear inner wall of the body, and rotary plates are movably connected into the groove bodies. The device has the beneficial effects that the spraying air supplementing pump is conveniently adjusted, the air pressure during internal inflation can be changed, and the to-be-inflated objects are well protected.

The invention relates to the technical field of injection molding equipment, and discloses an injection mold with the function of improving the workpiece strength. The injection mold comprises a bottom plate, a lower mold body is fixedly connected to the upper surface of the bottom plate, an upper mold body is connected to the upper surface of the lower mold body in a lap-joint mode, a top plate is fixedly connected to the upper surface of the upper mold body, through grooves are formed in the top plate, and fixing rods are movably inserted into the through grooves. According to the injectionmold with the function of improving the workpiece strength, the effect of changing the air pressure in air cavities is achieved in the mode that first blocking plates move through moving rods, and therefore second blocking plates can conveniently move and be fixed; and supporting rods are fixed by the second blocking plates through fixing blocks and fixing plates, the effect of fixing the upper mold body and the lower mold body is achieved, the connecting force effect of the upper mold body and the lower mold body is improved, the condition that the upper mold body and the lower mold body generate cracks due to raw materials is reduced, the raw materials can not be leaked, and the effect of improving the workpiece strength is achieved.

The invention discloses a medical body temperature maintaining mechanism, which comprises a shell provided with an air inlet channel, and another shell provided with a filtering channel, wherein one end of an air inlet of the air inlet channel is provided with a PTC (Positive Temperature Coefficient) heater, the other end of the air inlet is provided with a direct current air pump, one end of thefiltering channel is communicated with the air inlet, the other end of the filtering channel is communicated with the outer world, a filter screen is arranged in the filtering channel, an air outlet is provided with a blast tube, the other end of the blast tube is connected with a protective blanket with a cavity or a semienclosed warm box, an air outlet end of the blast tube is respectively provided with a control valve, a spirally arranged clamp slot used for fixing an infusion tube in the warm box, and a flow control valve for controlling liquid flow in the infusion tube, a plurality of air vents are distributed on the protective blanket, the shell is provided with a control component for adjusting the output power of the PTC heater and the air pump, the warm box and the protective blanket are provided with temperature sensors used for measuring the temperature of air of the protective blanket and the temperature in the warm box, and the temperature sensors, the PTC heater and the air pump are respectively electrically connected with the control component.

The invention discloses a thermal dissolution dredging processing mechanism for a chemical oil stain waste discharge pipeline. The thermal dissolution dredging processing mechanism comprises a hollowpipe, an electromagnet, a heating element, an outer cylinder and a motor, wherein the lower end of the hollow pipe is fixedly connected to the center of the top of a main positioning clamp, spring bodies are fixed between the upper end and the lower end of a damping ring and limiting rings, a pushing handle is fixedly connected to the outer wall of the damping ring, auxiliary positioning clamps are arranged at the edge ends of the main positioning clamp, single-way pipes and threaded hoses are fixed to the outer wall of the main positioning clamp and the outer walls of the auxiliary positioning clamps correspondingly, and the threaded hoses communicate with the interior of the hollow pipe, the interior of first connecting pieces and the interior of second connecting pieces. The thermal dissolution dredging processing mechanism for the chemical oil stain waste discharge pipeline is directly suitable for the exterior of a pipeline, can well move the pipelines with different thicknesses in a wrapping mode, achieves the rapid dissolution dredging effect of accumulated blocked oil stains in the pipeline, and improves the use dredging efficiency and convenience of the pipeline.

The invention discloses an innovative design of diopter type safety warning board, and belongs to the field of diopter type warning boards. According to the innovative design of the diopter type safety warning board, infrared aiming mechanisms are driven to expand by starting the positive rotation of a driving mechanism when in use, thus, through the infrared aiming mechanisms arranged on both sides, it is observed that the two infrared aiming mechanisms are converged into the same point through the anvil hole when the distance is set, thus the placing distance of the board is determined, and the distance can further directly observed through the anvil hole; a warning board unfolding mechanism is driven to be started by the reverse rotation of the driving mechanism, so that the warning board is unfolded; and by synchronously starting a supporting mechanism, the board can play a supporting role during the placement of the board, and by using the board, the placing distance of the board can be conveniently determined.

The invention discloses an expansion sleeve. The sleeve comprises an air bag inner shaft, the air bag inner shaft is fixedly sleeved with an air bag, a groove is formed in the position, correspondingto the inner wall of the air bag, of the outer circumference of the air bag inner shaft, an air cavity is formed between the groove and the air bag, an inflation channel is formed in the air bag innershaft, one end of the inflation channel communicates with the air cavity, a port in the other end of the inflation channel is located on the end of the air bag inner shaft and communicates with the exterior, an outward expansion sleeve is fixedly arranged on the air bag in a sleeving manner, and a circumference face is arranged on the outer wall of the outward expansion sleeve. Through air bag expansion, the size of the outer circumference face, matched with the inner rings of piston rings, of the outward expansion sleeve can be increased, the air pressure in the air cavity is changed, adapting to the honing amount of multiple specifications of the outer circles of the piston rings can be achieved, the outward expansion sleeve and the air bag are arranged to be in a cylinder shape, the air cavity is arranged to be in a multiple-ring shape, the outer circumference of the outward expansion sleeve can be sleeved with the multiple piston rings, a steel expansion sleeve is arranged betweenthe outward expansion sleeve and the air bag, uniform expansion of all portions of the outward expansion sleeve is ensured, the expansion degree of each piston ring is same, and it is ensured that the honing amount of the outer circle of each piston ring is consistent.

The invention provides a closed chest drainage device comprising a drainage bottle and a drainage tube. A sealing cap is arranged between the drainage tube and the drainage bottle, an exhaust tube is arranged on the sealing cap, a bobbin support seat is arranged on each side of the top end of the drainage bottle, a bobbin is arranged on each bobbin support seat, and a rope handle is connected between the bobbins. A plurality of fixing support seats are arranged at the bottom end of the drainage tube, a fixing component is arranged on each fixing support seat, each fixing component comprises a threaded hole formed in the corresponding fixing support seat, a threaded rod is sleeved in the threaded hole, and the top end of each threaded rod is provided with a clamp adjusting nut while the bottom end is provided with a sucker. The drainage device is provided with the rope handle, so that convenience is brought to patients to carry the drainage bottle under any circumstances, and danger that the drainage tube falls off is avoided effectively; the bottom end of the drainage bottle is provided with the fixing components, so that the drainage tube can be effectively prevented from toppling over by adjusting the length of the threaded rod and changing the air pressure of the suckers, and safety performance is good.