10results about How to "Increase activity area" patented technology

The utility model discloses an arsenic-containing wastewater treatment device, which belongs to the technical field of wastewater treatment and comprises a threaded sleeve, an outer cylinder, an exhaust pipe and a water dispersing pipe, the threaded sleeve vertically penetrates and is fixed at the center of the top of a treatment tank, and an external thread is arranged at the corresponding position of the outer cylinder. The outer barrel is in threaded connection with the interior of the threaded sleeve through the external threads, and the lead angle of the external threads and the threaded sleeve is larger than the friction angle of the external threads and the threaded sleeve. Through the matching design of the sleeve, the packing, the water inlet channel and the water dispersing pipe, arsenic-containing wastewater enters the inner cavity of the sleeve, enters the water dispersing pipe through the water inlet channel and is discharged from the water discharging pipe to enter sludge, so that the arsenic-containing wastewater is in contact with the sludge and is purified, and meanwhile, the arsenic-containing wastewater is purified under the driving of the outer barrel body which is lifted and rotated. The movable area of the water dispersing pipe is larger, the water dispersing pipe can serve as a stirring rod for lifting and rotating motion, arsenic-containing waste water is dispersed and discharged into sludge, and the purification efficiency of the sludge on the arsenic-containing waste water is improved.

The utility model relates to the technical field of plastic cleaning equipment more specifically, relate to a kind of plastic broken material cleaning device, including cleaning jar, cleaning jar is equipped with feed inlet, still including rotating mechanism, several material bins, material bin is located in the cleaning jar, and material bin is connected with the rotating drive end of rotating mechanism, and material bin is equipped with the communication structure for being connected with the interior of cleaning jar communication.The utility model is convenient to use, can reduce the generation of plastic fragments and powder in the cleaning process, improve the plastic yield after cleaning.

The invention discloses a massage machine core, which comprises a plurality of swing arms, a first massage head and a second massage head, the swing frequency control part rotates around a first set center shaft, the inner ends of the multiple swing arms are arranged at intervals along the periphery of the adapter and are all rotatably connected to the adapter, the adapter is rotatably connected to the swing frequency control part, and the rotation center of the adapter is eccentrically arranged relative to the first set center shaft; and the plurality of center seats correspond to the plurality of swing arms respectively, each center seat is provided with a sliding connection part which is in sliding fit with the corresponding swing arm, and the sliding connection parts are located between the outer ends and the inner ends of the corresponding swing arms and allow the corresponding swing arms to rotate around the sliding connection parts. Compared with the prior art, the massage machine core is wider in massage range. The invention further provides a massager.

Embodiments of the present application disclose a virtual fence generation method, a display method and an electronic device. The virtual fence generation method comprises: acquiring a collected ground image; identifying the ground image by using a ground detection model to obtain a first ground height; if the first ground height is within a ground height range, generating a virtual ground at the first ground height; if the first ground height is not within the ground height range, positioning a positioning device when the positioning device is placed on an actual ground, obtaining a second ground height according to a positioning result, and generating a virtual ground at the second ground height; and generating a virtual fence based on the virtual ground, wherein the virtual fence is used to define a safety area on the virtual ground.

This utility model discloses a fixed scissor lift platform, comprising: a fixed base, a lifting drive mechanism mounted on the fixed base, a lifting support plate mounted on the lifting drive mechanism, storage slots on both side walls of the lifting support plate, extension support plates disposed within the storage slots, and two pairs of mounting seats fixedly welded to the bottom wall of the lifting support plate, each pair of mounting seats having a hydraulic cylinder fixedly mounted on it. This utility model, by providing two extension support plates on the lifting support plate, allows the hydraulic cylinders to be activated and extend from the lifting support plate via the main controller of the fixed scissor lift platform after the lifting support plate is raised, thereby greatly increasing the usable operating area. This enables the fixed scissor lift platform to accommodate more workers during use, expanding the work area. Furthermore, after use, the extension support plates can be retracted to reduce the occupied area of ​​the fixed scissor lift platform.

The utility model particularly relates to an annular cowshed which comprises an annular cowshed body, a feeding mechanism is arranged in the annular cowshed body, the annular cowshed body is of a three-layer bell tower type double-slope building structure and comprises structural stand columns, and a bottom-layer bell tower roof, a middle-layer bell tower roof and a top-layer bell tower roof are arranged on the upper portions of the structural stand columns. A lower-layer roof ventilation opening is formed between the bottom-layer bell tower roof and the middle-layer bell tower roof; strip-shaped daylighting bands are arranged on the bottom-layer bell tower roof and the middle-layer bell tower roof; a circle of tarpaulin mechanisms capable of extending outwards are uniformly arranged below the bottom-layer bell tower roof on the inner side of the annular cowshed body; according to the invention, cattle herds can be weighed, the growth condition of the cattle herds can be observed, and the income effect of cattle can be known in time; meanwhile, the solar power generation mechanism is arranged to be used by the cowshed, and the foldable tarpaulin mechanism can be opened in rainy days or hot days to shield rain or sunlight.

The multifunctional mariculture leisure platform comprises a platform body and a floating body, a culture net cage is arranged in the middle of the platform body, sea fishing net cages are arranged on the two sides of the platform body, and a sea fishing area close to the sea fishing net cages is arranged on the top layer of the platform body; an observation mirror which extends into the culture net cage to enjoy cultured organisms is arranged at the position, corresponding to the center of the culture net cage, of the platform body, a communicating net cage communicating the culture net cage with the sea fishing net cage is arranged between the culture net cage and the sea fishing net cage, and the two ends of the communicating net cage penetrate through the culture net cage and the sea fishing net cage; the inner net cage is rotationally connected into the outer net cage, the outer net cage and the inner net cage are communicated in a switchable mode, aquaculture of marine aquatic products can be achieved, marine organisms in the aquaculture net cage can be observed by means of the observation mirror in the period, sea fishing of the marine organisms can be conducted in the sea fishing area, and the multifunctionality of the marine aquaculture leisure platform is effectively improved; and more different degrees of leisure requirements of people in daily life can be met.

This invention discloses a massage mechanism comprising: multiple swing arms, each swing arm having a first massage head mounted on it; a swing frequency control component, rotating about a first set central axis; the inner ends of the multiple swing arms being spaced apart along the outer periphery of a connecting base and rotatably connected to the connecting base; the connecting base being rotatably connected to the swing frequency control component; and the rotation center of the connecting base being eccentrically positioned relative to the first set central axis; multiple center seats corresponding to the multiple swing arms, each center seat having a sliding joint that slides with the corresponding swing arm, the sliding joint being located between the outer and inner ends of the corresponding swing arm and allowing the corresponding swing arm to rotate around it. Compared to the prior art, the massage mechanism of this application provides a wider massage range. This application also provides a massager.

Disclosed is a membrane-electrode assembly having increased active area, improved fluid management capability, and decreased gas transfer resistance due to electrodes having patterned structures on both sides. Also disclosed are a method for manufacturing same, and a fuel cell comprising same. A membrane-electrode assembly according to the present invention comprises: a first electrode; a second electrode; and a polymer electrolyte membrane between the first and second electrodes, wherein the first electrode has a first surface facing the polymer electrolyte membrane and a second surface opposite the first surface, the first surface having a first patterned structure, and the second surface having a second patterned structure.