179results about How to "Easy to use and practical" patented technology

A disassemblable toothbrush, includes a bristled portion and a handle portion, the bristled portion comprising a coupling part having at least one flexible working portion provided with a tooth and the handle portion comprising a seat for engagement of the coupling part which has at least one locating element for retaining the tooth, in which the engaging seat (4) comprises a recess (4b) for housing a deformable elastomeric mass (E) able to exert an elastic reaction pressing against the flexible working portion of the coupling part so as to keep the tooth (3c) actively engaged with the locating element (6).

A mixing apparatus and method uses a disposable assembly including a closed vessel with a rotating shaft supported in the vessel. The shaft has radially extending impellers. The shaft is driven via an external magnetic drive system. The vessel can be cleaned during manufacture and discarded after use.

The invention relates to a steel support shaft stress adaptive real-time compensating and monitoring system in deep base pit construction, which can effectively control deformation in construction of the deep base pit and ensure the security of running subway tunnels, wherein the steel support shaft stress compensating actuating mechanism is provided with an economic, safe and reliable self-locking booster oil cylinder. The invention is used for compensating steel support shaft stress in constructing deep base pit of near subway operating buildingworks, is provided with the novel oil cylinder actuating mechanism which has small volume, light weight, good economy and safety, high reliability and convenient use, solves the safe and reliable support of the steel support shaft stress compensation and serves the engineering construction.

The invention discloses a dynamic warning method for preventing automobile rear-end collision. The method comprises the steps that distance measurement result data are output through a millimeter-wave radar in each automobile, the distance measurement result data is processed, and a real distance d between an automobile and an automobile in front of the automobile is confirmed; anticollision monitoring is conducted on automobiles according to the real distance d of automobiles; all the automobiles send respective geographical location information and the real distance d to a cloud server, the cloud server judges the position relationships of the automobiles according to the geographical location information sent by automobiles, and when the real distance d of one automobile is smaller than a second safe distance, a second anticollision alerting signal is sent to the automobile and surrounding automobiles. The dynamic warning method for preventing automobile rear-end collision has the advantages that monitoring is accurate, the implement cost is comparatively low, and the use is convenient and practical.

The invention relates to a helicopter using solar energy and storage batteries, which comprises a body, a frame, a solar panel and a storage battery set. The frame is fixed on the body. The solar panel is disposed on the upper surface of the storage battery set which is mounted on the body and/or the frame. A propeller is fixed on the frame. A cab is hinged to the body through rotary shafts. A controller for controlling rotation of the propeller and the cab is disposed in the cab. A landing support for stabilizing the helicopter in landing is connected with the frame. The helicopter is powered by electric energy only, using the solar panel to generate power supplied to electric equipment in the helicopter in real time can meet the double requirements of environmental friendliness and energy conservation and greatly improved flying capacity, and the helicopter is low in manufacturing process requirements, simple and accurate in operation, convenient in management, low in maintenance, environment-friendly, energy-saving, high in flying capacity, long in airborne period, high in reliability, high in energy conservation rate, widely applicable to civil fields of practical flying training, aerial surveillance.

A multi-column-type lifting and transversely-moving parking device comprises multiple rows of double-layer lifting and transversely-moving parking device bodies. Comb-tooth-type lifting trays are arranged on the upper-layer parking spaces in each row, the lower-layer parking spaces in each row are provided with comb-tooth-type transversely-moving trays, two parallel longitudinal tracks are arranged on the ground of each list of parking spaces, two parallel transverse tracks are arranged below the comb-tooth type transversely-moving trays in each row, comb-tooth-type carrying trays are arranged on the longitudinal tracks, through front and back movement and lifting of the carrying trays, carrying comb tooth rods enable vehicles to be parked or picked up on the comb-tooth type transversely-moving trays and the lifting trays, and parking platforms for parking and picking up vehicles are arranged on the lower-layer parking spaces in the front row. According to the lifting and transversely-moving parking device of the structure, the vehicles are parked on and picked up from the comb-tooth type transversely-moving trays and the lifting trays through the carrying trays, the number of traveling lanes can be reduced, the number of the vehicles can be increased, meanwhile, the requirement for the operation technology of drivers is reduced, the parking device is more convenient to use, and the implementation of the technical scheme is better.

The apparatus (1) has a winding body (3) for winding a hair strand. A winding body drive unit e.g. gear motor, rotatably drives the body around its longitudinal axis. A hair drive unit (7') i.e. grip, drives the strand on the body. An actuating unit (10) i.e. control button, rotatably actuates the body to allow a user to choose one rotation direction among two rotation directions. A control unit i.e. CPU, is programmed for controlling the body drive unit in reverse direction of the chosen direction when the control unit detects an operating state to cause the stopping of rotation of the body. An independent claim is also included for a method for curling a hair strand.

The invention relates to an abamectin injection to prevent pine wilt disease, which is characterized in that, the components of the invention are 2% to 4% abamectin, 10% to 15% tween 80 or tween 60, 15% to 20% butyl glycol ether and 68% to 72% organic solvent; the components are arranged in an injection container; the percentage is mass percentage. The abamectin injection has the advantages that, compatibility composition is more reasonable and more pertinent; through proper surface-active material and addition agent, the conduction of abamectin in pines is easier, therefore pine wood nematode can be eliminated; the form of the pharmaceutical preparation is more reasonable and more scientific; the invention has convenient use and practicality; active substance is added; combined with injection, the invention has better killing effect.

The invention discloses a cross-domain multi network keeper end-to-end session key negotiation method, which dynamically negotiates a best key negotiation method in the end-to-end communication through signaling execution flows of ARQ/ACF and LRQ/LCF based on that whether D-H key exchange algorithm and security strategy are supported by the network keepers. The method comprises the following steps: a called network keeper generates a sharing secret, a calling network keeper and a calling endpoint obtain the session key according to the sharing secret, and the calling network keeper and the called network keeper generate the session key by using the D-H key exchange algorithm, thereby the generation and the exchange of the sharing secret or the session key are carried out among each endpoint, thus the limits of low efficiency and bad interconnection and interoperability, which are caused by the fact that the key negotiation method is based on pre-configuration, are overcome under the prior cross-domain multi network keeper end-to-end calling mode.

The invention relates to A food-cooking appliance comprising: a main body in which a cooking bowl (6) is mounted; a lid (7) removably mounted to be removable from the main body and designed to close said main body in substantially airtight manner during cooking; odor treatment means (10) for treating cooking odors, which means are associated with the lid (7); and heater means; said food-cooking appliance being characterized in that the lid (7) is removably mounted to be removable from the main body and from the cooking odor treatment means (10) so as to be separable simultaneously from the main body and from the odor treatment means (10). Cooking appliances of the deep fryer type.

The invention relates to the three-dimensional image processing technology field, especially relates to a gingival generating method used for bracketless orthodontic treatment. The gingival generating method comprises steps that (1) a positive direction of a teeth model is set, and the model is arranged in a forward direction; (2) the teeth model is scanned to acquire the three-dimensional model of the teeth model, and the gingival part and the teeth part of the three-dimensional model, which are required to be kept, are segmented, and segmented edges are sequentially stored; (3) the points of all of the segmented edges are respectively extended along a Z axis negative direction or along the projection directions of the Z axis negative direction of the points of the edges to acquire the intersected points with a specific bottom surface, and therefore the contour line of the bottom surface of the gingival is acquired; (4) uniform sampling is carried out on the contour line of the bottom surface of the gingival, and therefore the width of the bottom surface of the gingival and distances between the bottom surface of the gingival and the segmented edges are acquired, and a number of layers is calculated; (5) the number of the sampling points of the bottom surface is calculated, and the contour points of every layer are sequentially generated according to the calculation result of the step (4); (6) the contour points of every layer are used to reconstruct triangular surfaces, and the gingival is acquired. By adopting the gingival generating method provided by the invention, the original form of the gingival of the key part is maintained, and the number of the triangular surfaces is reduced as much as possible, and then the size of the model is reduced.

The invention discloses an intelligent multifunctional electric stimulation reminding bracelet. The bracelet comprises a wristband, a machine body, a power module, a WiFi module, an electric impact module, an ultrasonic wave generation module and a sign monitoring module, wherein the power module, the WiFi module, the electric impact module, the ultrasonic wave generation module and the sign monitoring module are arranged in the machine body, the power module comprises a wireless charging panel and an electric quantity indicating circuit, the WiFi module comprises a WiFi processor and a controller, the electric impact module comprises a push-pull electromagnet, piezoelectric ceramic and an electric contact, the ultrasonic wave generation module comprises an ultrasonic wave generator and a frequency converter, the sign monitoring module comprises a heart rate sensor and a body temperature sensor, and health characteristics are monitored through the sensors and transmitted to an outer network through WiFi. The bracelet can achieve the functions of electric shock warning, wireless charging, mosquito repelling and sign monitoring, thereby having the advantages of healthy life, convenient charging, comfortable wearing, intellectualization, excellent performance and large market.

The invention relates to a simple counting device which is mainly used for conducting simple counting on passing vehicles. The simple counting device comprises a rotatable gear (1) which is arranged on a rotating shaft (5) and a stirring mechanism which is arranged on the radial side of the gear (1). The stirring mechanism comprises a support (3) and a lever (2) which is arranged on the support (3) in a rotatable mode. One end of the lever (2) contacts wheel teeth of the gear (1), a reset spring (4) which is arranged on lower portion of one side of the lever (2) and is connected with the lever, and the side of the lever is close to the gear (1). A photoelectric sensor (6) which is connected with an electronic counter is arranged on the right lower portion of the gear (1). The simple counting device is simple in structure, convenient and practical to use, low in manufacturing cost and capable of replacing a present expensive electronic counting system to conduct simple counting.

The invention relates to the technical field of base plate machining devices, and discloses environment-friendly scrap clearing equipment for base plate machining. The equipment comprises a workbench.The top of the workbench is fixedly connected with a fixed frame. A fan is fixedly mounted on the inner wall of the left side of the fixed frame. The top of the fan communicates with an air inlet pipe, wherein one end of the air inlet pipe penetrates through and extends to the left side of the fixed frame. An air guide pipe communicates with the right side of the fan. Three air outlets are fixedly mounted on the right side of the air guide pipe. The top of the workbench is fixedly connected with a left fixed plate located in the fixed frame. According to the environment-friendly scrap clearing equipment for base plate machining, a left rotating disc is rotated, a left threaded rod is driven to rotate, the left threaded rod moves up and down by being in threaded connection with a left connecting plate, and therefore a left upper clamp plate is driven to move up and down through sliding connection of a left sliding block and a left sliding rail, and the left upper clamp plate and a leftlower clamp plate can clamp base plates of different thicknesses.

The invention provides a chewing gum shoveling device. The chewing gum shoveling device comprises a shoveling rod, wherein a small shovel is fixed at the top end of the shoveling rod; a funnel inner cover and a funnel outer cover are fixed at the bottom end of the shoveling rod; a funnel separation layer is arranged between the funnel inner cover and the funnel outer cover; a round bottom cover plate is arranged at the bottom of the funnel separation layer; ice bags are arranged in the funnel separation layer; an inner cover round hole is formed in the bottom of the funnel inner cover; the inner cover round hole can cover a chewing gum. According to the chewing gum shoveling device, the double-layered funnel cover with the separation layer is arranged at one end of the shoveling rod; the space for storing the ice bags can be formed in the separation layer; a small shovel is fixed at the other end of the shoveling rod. When the chewing gum shoveling device is used, the round bottom cover plate at the bottom of the separation layer is opened and the ice bags are put; the round bottom cover plate covers and the funnel cover covers the chewing gum on the ground; the chewing gum is frozen and the chewing gum becomes hard after being frozen; then the chewing gum is rapidly shoveled by using the small shovel at the other end, so that the chewing gum stuck on the ground can be easily shoveled off, and the chewing gum shoveling device is very convenient and practical.

The invention relates to a machine fault prediction and diagnosis method based on three-level neural network modeling, and belongs to the technical field of machine fault detection methods and artificial intelligence. According to the invention, the deep neural network modeling technology is adopted to improve the intelligence of diagnosis; whether a fault exists or not is diagnosed firstly; re-determining type, and finally, determining three-level neural network modeling of a severity level. Fault judgment can be achieved under the condition that data accumulation is not sufficient at the initial stage of system deployment, fault type judgment is conducted slowly and deeply along with data accumulation, finally, fault prediction is conducted on the progressive fault type, the period frominput to output of the diagnosis system is shortened through three-level neural network modeling, and practicability is improved. The fault sample set generated by the method comprises a large numberof low-level fault samples which cannot be identified by the existing method, and the model obtained by training has higher diagnosis accuracy and prediction capability compared with the existing method.

The invention belongs to the technical field of limiting supports, and particularly relates to an adjustable limiting support and an adjusting method thereof.The adjustable limiting support comprises a mounting plate, a fixing frame is fixedly connected to the bottom of the mounting plate, a first motor is fixedly connected to the outer side of the fixing frame, and a threaded rod is fixedly connected to the output end of the first motor; and the end of the threaded rod is rotationally connected with the inner side of the fixing frame through a bearing, the surface of the threaded rod is in threaded connection with a threaded sleeve, and the bottom of the threaded sleeve is fixedly connected with a hydraulic cylinder. Through cooperative use of the first motor, the threaded rod, the threaded sleeve and the hydraulic cylinder, the limiting support can adjust the levelness and height of a camera, through cooperation of a second motor, a first rotating rod, a second rotating rod, a driving gear and a driven gear, the angle of the camera can be adjusted conveniently, so that the use performance of the limiting support is improved, and the limiting support is more convenient and practical to use.

The invention discloses a speed-adjustable chemical vibrating device which comprises a body. A touch panel is inlaid to a control panel arranged on the front surface wall of the body, slide rails aremounted on inner surface walls of vertical rods fixedly mounted on the upper surface wall of the body, a fastening rod is fixedly mounted on the front surface wall of a slider arranged on each slide rail, and each fastening rod is fixedly connected with a clamping jaw through a fastening bolt. One end of a connecting rod fixedly connected to the rear surface wall of each slider is fixedly connected with an eccentric shaft of a corresponding eccentric wheel, an auxiliary belt pulley fixed to a spindle of each eccentric wheel is rotationally connected with a main belt pulley fixed to an output shaft of a corresponding speed reducer, and an input shaft of each speed reducer is fixedly connected with a spindle of a corresponding motor. The speed-adjustable chemical vibrating device is orderlysymmetrical, convenient to maintain, efficient and quick due to treatment of multiple groups in one time, size reduction and space saving are realized by mechanical transmission, and high practicalityand convenience in use are achieved due to vibrating rate adjustability.

The invention discloses a tree trunk injection liquid containing a graphene nanometer material for preventing pine nematodosis. The tree trunk injection liquid containing the graphene nanometer material is prepared from the following raw materials in percentage by mass: 0.2 to 20.0% of active components, and 0.1 to 30% of graphene nanometer material, wherein the weight ratio of the active components to the graphene nanometer material is 100:(10 to 500); the active components comprise antibiotic insecticide; the antibiotic insecticide is selected from one or more of emamectin benzoate, abamectin, spinosad, spinetoram and ivermectin. The tree trunk injection liquid is applied to being injected into the tree trunk to prevent and control multiple types of pests and diseases of trees, and has the characteristics that the cost is low, the preventing effect is high, and the application range is broad; the tree trunk injection liquid is suitable for preventing and controlling the pests and diseases of the trees, especially for preventing and controlling the boring insects of monochamus alternatus and the like of the pine, and preventing and controlling pine nematodes, so as to prevent thepine nematodosis.