9results about How to "Change thickness" patented technology

This utility model discloses a scraper device with an elastic adjustment mechanism, including a toner cartridge, a fixing roller rotatably connected to the toner cartridge, a lifting block and a lifting plate slidably connected to the toner cartridge, a scraper body mounted on the lifting block, and the scraper body contacting the lower surface of the fixing roller when the lifting block rises; a first compression spring connects the lifting block and the lifting plate, and the pressure of the scraper body on the fixing roller changes when the distance between the lifting plate and the lifting block changes; a second slide rail is provided on the side wall of the lifting block, and a lifting groove is provided on the toner cartridge, with the lifting block slidably connected in the lifting groove via the second slide rail; support plates are provided at the bottom of both lifting blocks, and the support plates are connected to the lifting plate via the first compression spring; this utility model relates to the technical field of scraper devices; it can adjust the pressure of the scraper on the surface of the fixing roller in multiple levels according to different needs, thereby changing the thickness of the powder on the surface of the fixing roller.

The application discloses a kind of based on construction waste recycling's recycled aggregate preparation method, it is related to building material technical field, including the following steps: construction waste is broken to obtain preliminary aggregate, then separation is carried out by magnetic separation device, remove metal by magnetic separation, avoid subsequent processing equipment to cause damage to aggregate;Preliminary aggregate is broken again, then aggregate is ground and collides;Recycled aggregate is screened according to different particle sizes using vibrating screen, by screening recycled aggregate according to different particle sizes, it is convenient to classify and utilize as needed for different particle sizes of recycled aggregate, reduce waste, improve the market applicability of recycled aggregate;The application also removes metal in aggregate efficiently by the cooperation of magnetic separation device, so that the quality of recycled aggregate prepared by the method is higher.

This utility model belongs to the field of medical supplies, specifically relating to a device for supporting the elbow. It includes a housing, a track, a sponge pad, and movable wheels. The track is fixedly mounted on the housing, near its end. The track is divided into two sections, perpendicularly connected at an arc-shaped joint. Movable wheels are mounted on the sponge pad and roll along the track. This device uses a rotatable sponge pad to support the patient's elbow, preventing discomfort caused by lack of support when lying flat. When not lying flat, the device can be moved to one side of the arm without affecting normal activity.

This utility model relates to the field of building structure construction technology, specifically a novel leveling and plastering device. It includes: a leveling frame for leveling cement mortar on a wall surface; at least two support components, each support component located inside the leveling frame and extending from the side closest to the wall, abutting against the wall to create a gap between the plastering frame and the wall, and the extension length of each support component is adjustable; and a handle located on the side of the leveling frame away from the wall. Beneficial effects: By setting support components on the plastering frame, allowing the support components to extend from one side of the plastering frame and abut against the wall, a certain distance is maintained between the plastering frame and the wall, thus enabling overall leveling of the cement mortar on the wall surface.

The invention relates to the technical field of sensors, and discloses a dual Fano resonance sensor and a detection and optimization method, the dual Fano resonance sensor comprises an optical coupling prism, a silicon dioxide grating structure layer, a graphene layer, a liquid sensing medium area, a first aluminum nitride waveguide layer, a perfluororesin waveguide layer, a second aluminum nitride waveguide layer and a gas sensing medium area; the silicon dioxide grating structure layer is attached to the bottom surface of the optical coupling prism, and the graphene layer is attached to the lower surface of the silicon dioxide grating structure layer; the liquid sensing medium area is located between the graphene layer and the first aluminum nitride waveguide layer; the gas sensing medium area is positioned below the second aluminum nitride waveguide layer; when a transverse magnetic wave is incident through the optical coupling prism, two independent Fano formants can be simultaneously excited in a reflection spectrum, a first Fano formant coupled with the liquid sensing medium area is used for detecting a liquid medium, and a second Fano formant coupled with the gas sensing medium area is used for detecting a gas medium.

The utility model discloses an automobile flywheel cold extrusion hydraulic press with a fine adjustment function, which comprises a base, first electric control telescopic rods are vertically and fixedly connected to two sides of the outer edge of the upper surface of the base, and a first device block is fixedly connected between the top ends of piston rods of the first electric control telescopic rods. According to the automobile flywheel cold extrusion hydraulic machine with the fine adjustment function, by arranging a lower die pressing ring and a height adjusting structure, when the device is actually used, after a blank is placed in a die groove, an upper extrusion structure is controlled to operate, and then an upper die pressing ring can be driven to descend; then the blank is subjected to extrusion forming under the combined action of the upper die pressing ring, the die groove, the die center column and the lower die pressing ring, the horizontal position of the top end of the lower die pressing ring of the device can be adjusted through a height adjusting structure, and the overall thickness of a final product can be changed; and a final product can be finely adjusted under the condition that the mold does not need to be replaced, so that the practicability of the device is improved.

The application discloses a preparation method of a high-strain-energy-density CoCrNi medium-entropy alloy with a biomimetic brick clay structure, mainly comprising the following steps: firstly, cold-rolling a bulk CoCrNi alloy raw material, then annealing and water quenching to room temperature; and then, adopting high-speed rolling to perform multi-pass surface nanocrystallization treatment on the front and back surfaces of the annealed bulk CoCrNi alloy, so that the grain size has gradient structure and layered structure in two-dimensional space, respectively, and the prepared CoCrNi medium-entropy alloy comprises two layers of unevenly distributed gradient nanocrystalline layers and a uniformly distributed coarse-grained layer between the two layers, and has a very high strain energy density (strong plastic product). The application can prepare alloy plates with different sizes of transverse and longitudinal alternating brick clay structures to realize different heterogeneous strengthening effects. The application has simple process and strong universality, and can be popularized to other metal material processing fields.

The utility model relates to material turning baffle technical field discloses a kind of coarse mill baffle material turning device, including first baffle, second baffle and third baffle, second baffle and third baffle are sequentially spliced in the front end of first baffle, and form ladder shape, still be provided with the long screw rod that is through the first baffle, second baffle and third baffle are penetrated, the end of long screw rod is fixed with the abutment plate that is attached to the surface of third baffle, and the outer ring of other end of long screw rod is connected with the nut that is abutted on the surface of first baffle by screwing, the bottom both sides of first baffle, second baffle and third baffle are provided with arc edge.The utility model technical scheme is changed into three-stage ladder baffle by the original baffle, utilizes roller rotation power and baffle left and right propulsion power, so that ceramic raw materials are automatically turned when being pushed by reaction force through ladder position, realize automatic material turning action, reduce worker's labor intensity, effectively avoid the phenomenon that material turning times are not enough, and improve material turning efficiency.

The present application relates to the technical field of filter, especially to a kind of adjustable moving blade assembly and tuning filter, including at least two groups of mutually spaced adjustable moving blades, each group of adjustable moving blade has at least two radius different sector metal sheets, each sector metal sheet has discrete distribution metal sheet monomer.The adjustable moving blade is opposite to static blade in initial state, in the resonant cavity of fixed size, for ordinary integrity moving blade, the opposite distance between it and static blade is completely fixed, the working frequency of filter only depends on the opposite area between moving blade and static blade, and the tuning range is limited.The adjustable moving blade described above is spliced by multiple discrete sector metal sheets, not connected each other, each metal sheet monomer can be individually moved by tweezers or flat-nose pliers, so that the opposite distance between it and static blade is variable, the capacitance of resonant cavity can be finely adjusted by adjusting the distance between metal sheet monomer and static blade, so that the resonant frequency of resonant cavity can be accurately changed.