14results 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 invention discloses a orius minutus screening device which comprises a mounting frame, a screen is arranged in the mounting frame, L-shaped plates are fixed to the two sides of the top of the mounting frame, and a hopper is fixed between the opposite sides of the two L-shaped plates. One side of the hopper is provided with an automatic stamping shake-off mechanism for shaking off the orius minutus which is electrostatically adsorbed on the screen; the automatic stamping and shaking-off mechanism comprises a transverse plate fixed to one side of the hopper. The invention relates to the technical field of insect screening. According to the orius minutus screening device, through the arrangement of the automatic stamping and shaking-off mechanism, the driving assembly is used for driving the stamping rod to be lifted up, then the vibrating screen is stamped, so that orius minutus adsorbed on the screen due to static electricity in the screening process shakes and falls into the insect collecting groove, blockage of the screen is avoided, the screening process is conducted normally, and the screening efficiency is improved. And moreover, the orius minutus shaken off by vibration falls on the rubber suede of the insect collecting groove, so that the orius minutus is prevented from being damaged by falling.

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 present invention relates to the technical field of damping walls, and in particular to a porous viscous damping wall. It comprises: an upper connecting plate; an upper box body, the upper box body is fixedly connected to the bottom of the upper connecting plate, a closed cavity is formed in the upper box body, the cavity is filled with a viscous fluid, a first guide shaft is arranged in the transverse direction of the upper box body, the first guide shaft transversely penetrates the accommodating cavity, and the first guide shaft is sealed and connected to the upper box body, a first steel plate is also arranged in the upper box body, the first steel plate is perpendicular to the first guide shaft, the first guide shaft penetrates the first steel plate, the first steel plate is fixedly connected to the first guide shaft, a plurality of first damping holes are arranged on the first steel plate, a plurality of first damping holes are opened along the axial direction of the first guide shaft, and a plurality of first damping holes penetrate the first steel plate; a lower box body, the lower box body is sleeved on the outside of the upper box body, and the two ends of the first guide shaft are respectively fixedly connected to the two side walls of the lower box body. The porous viscous damping wall of the present invention can provide a greater damping force and improve the stability of the damping wall.

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.

The invention discloses a comprehensive disassembly and assembly platform for a high-temperature gas-cooled reactor absorption ball shutdown system, comprising a main platform, an intermediate platform and a lifting platform. The main platform is fixedly arranged above a driving rod driving mechanism and the absorption ball shutdown system, and a penetrating disassembly and assembly hole is arranged on the main platform; the intermediate platform is fixedly arranged in the disassembly and assembly hole; the fixed end of the lifting platform is fixedly connected to the intermediate platform, and the lifting end of the lifting platform is arranged in a reactor cabin and can move up and down in the reactor cabin; the invention can realize that an operator can descend into the reactor cabin through the lifting platform to maintain the absorption ball shutdown system located in the reactor cabin, so that the operator does not need to stand on the pressure vessel on which the driving rod driving mechanism and the absorption ball shutdown system are installed, and the activity area of ​​the operator can be increased through the lifting platform, so that it is convenient to operate the driving rod driving mechanism and the absorption ball shutdown system.

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.

The utility model discloses an auxiliary construction device for a high position in a building house, relates to the field of building construction, and provides the following scheme aiming at the problems that the movable area on an existing triangular ladder is small, the construction of workers is inconvenient, and slipping is easy, the auxiliary construction device comprises a base, and a construction seat is arranged above the base; a protection frame is arranged on the outer side of the construction seat, a threaded pipe is arranged at the bottom of the construction seat, a motor is arranged on the base, a threaded rod is arranged on the motor, wheels are arranged on the outer side of the base, a friction block is arranged at the bottom of the base, an inner folding plate is arranged on one side of the construction seat, and an extension plate is arranged on the other side of the construction seat. The device is novel in structure, construction is carried out on the construction base, the movable area is increased, the device is prevented from moving through the friction block on the ground, the device is prevented from inclining during construction through the supporting block, and the device is more stable during use through the ejection block abutting against the wall face.