35results about How to "Have use" patented technology

The invention discloses an efficient and safe oral cavity supporting device with an automatic sterilization function. The efficient and safe oral cavity supporting device comprises a supporting device main body, atomization holes, a pressure ball, a base, a telescopic joint, an air inlet pipe, an air jetting pipe, a control valve, a connecting threaded pipe, an air bag, an atomization pipe, a nozzle, a fixed seat and a liquid storage bottle; the atomization holes are formed in the outer side of the supporting device main body; the pressure ball is installed at the tail end of the supporting device main body; and the base is arranged on the upper side of the pressure ball. The efficient and safe oral cavity supporting device with the automatic sterilization function is small and exquisite in size, simple in structure and convenient to regulate aiming at the sizes of oral cavities of different patients; after the efficient and safe oral cavity supporting device is put in the oral cavity, the supporting device main body is occluded by utilizing side surface teeth, a cavity space is not occupied basically, and no influence on oral treatment operation performed by a doctor exists basically; the supporting height can be lifted through air injection of the air bag, and treatment is convenient; and by being manufactured by adopting a non-soft silica gel material, the efficient and safe oral cavity supporting device does not damage teeth, is comfortable to occlude, also has the automatic sterilization function and is diversified in functions and convenient to use.

The invention discloses a method for light splitting, imaging and synchronous phase shifting in optical interferometry: the polarized laser beam output by a laser light source is expanded to obtain a linearly polarized plane light source, and then enters a plane polarized light interference system to obtain a test wave surface An interference field that is co-beamed with the reference wave surface and whose polarization directions are perpendicular to each other. The interference field beam is divided into four beams with uniform spatial distribution and uniform intensity after passing through a quarter-wave plate and a combined prism beam splitting system. The four beams pass through the analyzer After that, it is projected onto the CCD target surface, so that four interference fringe patterns with a phase shift of 90 degrees can be obtained after one high-speed sampling. At the same time, a device for implementing the method is also disclosed. The method and device of the invention have clear principle, simple method and miniaturization of the device. The on-site dynamic measurement of high-precision optical interference is realized, and the measurement process is simpler and more convenient.

The invention discloses camera displacement changing devices for a bridge crane. The devices are suitable for being arranged on the two sides of a lifting hook of the crane and suspended below a mainbeam steel structure of the crane; the camera displacement changing devices comprise camera assemblies, telescopic device assemblies and sealing assemblies; the camera assemblies comprises cameras; the telescopic device assemblies are used for lifting the camera assemblies in the vertical direction and comprise telescopic devices, the telescopic devices comprise telescopic rods and fixed outer sleeves, and the lower ends of the telescopic rods are all connected to the corresponding cameras so as to move together with the corresponding cameras in the vertical direction; and the sealing assemblies can be opened and closed and comprises sealing devices, and the sealing devices comprise protective outer covers, bottom plates capable of being opened and lifting assemblies hinged to the bottom plates. According to the technical scheme, the camera displacement changing devices are additionally arranged on the two sides of the crane, so that the visual angle requirement of intelligent or unmanned video monitoring of the crane is met; and the dustproof and rainproof functions are achieved so that the devices can be used in the open air and in the severe working condition environment with large dust.

The invention relates to a sport skateboard with a buffering function. The sport skateboard comprises a board body and rollers arranged on the bottom surface of the board body, wherein the board body comprises a top board, a board core and a bottom board which are sequentially stacked from top to bottom; a plurality of elastic parts are uniformly arranged in the board core and arranged between the top board and the bottom board. According to the sport skateboard with the buffering function, the elastic parts with the buffering function are arranged in the middle part of the board body, vibration during sliding is relieved through deformation of the elastic parts, discomfort to a slider is avoided, long-strip-shaped grooves are formed in the upper surface of the board body, sliding prevention can be realized, compactness of the board body can be increased, rubber sheets are arranged at two ends of the bottom board of the board body, safety brake of the slider can be facilitated, and the board body cannot be damaged in the brake process. The sport skateboard with the buffering function is simple in structure and safe to use.

The invention discloses a massage armchair with an antishock function. The massage armchair comprises a plurality of function modules and a hardware communication interface. The control module is used for controlling communion among the function modules; a user input module is used for instruction input and code conversion; a massage module is used for storing preset massage modes and the connection of the communication interface; the physiological parameter monitoring module is used for collecting personal physiological parameters, storing and transmitting in a designated manner; the antishock module is used for regulating an air pressure parameter and change frequency, and is responsible for the connection with the hardware communication interface, wherein the two parameters can be set by people and can be intelligently regulated according to the physiological parameters; the hardware communication interface is used for recognising instruction, so that corresponding equipment can be operated; the date storing module is used for storing the personnel physiological parameters; the external communication module can be used for enabling a user and a designated health worker to share information in a remote manner. In addition to a daily health care function, the massage armchair can be used for not only monitoring the health condition of the user in real time, but also treating general emergencies.

The invention discloses an aircraft fairing with good impact resistance and a manufacturing method thereof, and relates to the technical field of aircrafts. The aircraft fairing comprises a cover head, wherein two symmetrical cover bodies are fixedly connected to the right side face of the cover head, an aircraft body is placed between the two cover bodies, and a cover tail is placed on the rightside of the aircraft body. The aircraft fairing with good impact resistance and the manufacturing method thereof have the functions of reducing the friction between the whole and the airflow, have theadvantages of good impact resistance, improve the overall buffer performance, further ensure the safety of the aircraft body, have the function of reducing the friction between the whole and the airflow, further improve the overall impact resistance, ensure the safety and integrity of the aircraft body, have the function of protecting the aircraft body, and have the advantage of ensuring the safety of the integrity of the aircraft body; and a foreign object is prevented from colliding with the aircraft body through a first port.

The invention relates to a self-driven simulative bait. The self-driven simulative bait includes a simulative bait body, a drive device, a first connection ring and a second connection ring; the first connection ring is arranged on the upper end of the simulative bait and is connected to a fishing line; the second connection ring is arranged on the lower end of the simulative bait and is connected to a fishing hook; and the drive device is arranged in the simulative bait body. The self-driven simulative bait can get rid of dependence on live baits during releasing fishing, can reduce the cost of the live baits and live bait loss during transport, can be driven by itself, and is convenient to use.

The invention discloses a novel process for purifying solanesol based on chemically modified diatomite, which comprises the following steps of: (1) grinding 3.0 g of diatomite into fine powder with the particle size of 500-800 meshes, adding 8-12ml of any strong acid except hydrofluoric acid into the fine powder to form a solution, filling the solution into a closed container I, putting the closed container I into a constant-temperature water bath, and heating the closed container I to 60-80 DEG C; the preparation method comprises the following steps: adding diatomite into a reaction kettle, shaking at normal temperature for 45-55 minutes, washing the shaken solution to be neutral, filtering by a screen with the aperture of 20-25 microns, and drying the obtained filtrate to constant weight to obtain modified diatomite; (2) 0.3-0.8 g of the modified diatomite obtained in the step (1) is added into 50 ml of an extract containing solanesol to form a mixed solution, the mixed solution is contained in a third closed container, the third closed container is placed in a constant-temperature water bath, oscillation is conducted for 45-55 min at the normal temperature, the oscillated mixed solution is filtered, filter residues are obtained, and the aperture of a mesh screen for filtering is 10-15 microns; (3) washing the filter residues with washing liquor to obtain solanesol, wherein the washing liquor is a solanesol-soluble solution; the process can greatly reduce the separation cost.

The invention relates to a chain-slat conveyer delayed start control circuit, belongs to the technical field of gangue discharge of coal mine underground roadway repair working faces, and solves the problem of potential risks of hurting people when a chain-slat conveyer of a mine is started and runs. A mining isolation phase-change switch, a three-phase vacuum alternating current contactor main contact and a surge protector are connected in series in sequence, and any two phases of the common portion of the mining isolation phase-change switch and the three-phase vacuum alternating current contactor main contact which are connected in series are connected with a primary side input port of a mining alternating current transformer; two paths of output on a secondary side of the mining alternating current transformer comprise a first transformer output port and a second transformer output port; and the first transformer output port is connected with an alarm circuit, a delayed start control circuit, a near control start-stop circuit and a remote control start-stop circuit, and the second transformer output port is connected with a fault detection protection circuit. The method comprises the steps of controlling start-stop and emergency stop of the chain-slat conveyer in a near control mode and a remote control mode; and warning nearby personnel to evacuate during starting, therebymaking up for the potential risks caused by instantaneous rotation of the chain-slat conveyer when the switch is started without warning.

Provided is a spinal orthopedic exercise equipment that can provide an improved exercise effect related to spinal orthopedics with a simple structure. The spinal orthopedic exercise equipment is a spinal orthopedic exercise equipment that supports a user's back and waist to apply pressure, and comprises: a first body in which a plurality of first protrusions protrude on a surface formed in a curved shape; a second body, connected to the first body, in which a plurality of second protrusions protrude on a surface formed in a curved shape different from that of the first body; a flexible connector which is flexibly connected between the first body and the second body; and an attachable / detachable rolling bar which is coupled to the protrusionless bottom surface of the first body or the second body to support the first body or the second body, and causes the first body or the second body to perform a seesaw movement around the support point.

The invention discloses anti-loosening cutting equipment for aero seat machining and a cutting method of the cutting equipment, and relates to the technical field of aero part cutting. The anti-loosening cutting equipment comprises a fixing plate; two symmetrical fixing rods are fixedly connected to the bottom face of the fixing plate; a frame is placed below the fixing plate, and the bottom facesof the two fixing rods are both fixedly connected with the upper surface of the frame; a cutting mechanism is installed in the frame, and a clamping mechanism is installed below the cutting mechanism; and the cutting mechanism comprises a motor, a first belt wheel, ports, a supporting plate, a first conveying belt, fixing columns, a cutting sheet, a first rotary shaft, a first bearing and a connection plate located in the frame. According to the anti-loosening cutting equipment for aero seat machining and the cutting method of the cutting equipment, clamping blocks can move leftwards and rightwards, the to-be-cut material clamping function is achieved, the anti-loosening advantage is realized, the situation that cutting is not in place due to shaking of a to-be-cut material is prevented,and the cutting machining efficiency is improved.

The invention discloses a low-concentration particulate matter sampling detection device and a particulate matter sampling head of the device. The upper half part of the particulate matter sampling head is a double-layer sampling head, and the lower half part of the particulate matter sampling head comprises a stainless steel membrane support and a sampling gun connector; the inner layer of the double-layer sampling head is an integral sleeving sampling filtering element and comprises a sampling tube, a conical shell, a filter membrane and a protection net, and the outer layer of the double-layer sampling head comprises a sampling head sheath and a sampling nozzle; the integral sleeving sampling filtering element is arranged in the sampling head sheath, and connected with the sampling nozzle at the most front end through the sampling tube, the rear end is provided with the inverted conical shell, the filter membrane and the protection net are positioned at the opening position of the conical shell, the integral sleeving sampling filtering element is in sealing connection with the sampling head sheath by screw threads, the upper half part and the lower half part of the particulate matter sampling head press the filter membrane and the protection net on the stainless steel membrane support by utilizing O-shaped screw thread glands, and finally the particulate matter sampling head is connected with the sampling gun connector. With the particulate matter sampling detection device and the particulate matter sampling head, the problems in the mass concentration detection of the particulate matters that the sampling operation is complicated, and the accuracy is low and the detection limit is high are solved.

The invention relates to the technical field of fabrics, in particular to a cloth cutting device for textile fabric processing that can replace blades, including fabrics and conveyor belts, a worktable is provided on one side of the fabric, and a number of support legs are fixed on one side of the worktable , one side of the conveyor belt is fixed with a number of support rods, the other end of the support rods is fixedly connected to one side of the worktable, one side of the worktable is fixed with an inverted U-shaped frame, and one side of the inverted U-shaped frame is fixed with a Z-shaped Hollow frame, one side of the Z-shaped hollow frame is provided with a drive shaft. In the present invention, a driving shaft, a servo motor, an active lowering barrel, a pressing shaft, an active hole, a driven pressing barrel, a U-shaped material clamping seat, a sliding clamping seat, an L-shaped sliding frame, a spring, and a telescopic hydraulic cylinder are arranged. , bevel edge cutting knife, T-shaped fixed strip, so that it has the functions of automatic feeding, precise feeding, automatic cutting, anti-deviation, easy tool change, automatic collection and so on.