9results about How to "Reduce prolapse" patented technology

This application relates to the field of auxiliary equipment technology for building construction, and in particular to a mid-span tie-rod working platform for a basket arch bridge. The platform includes multiple cantilever brackets, supporting crossbars, steel planks, and guardrails. The cantilever brackets are detachably connected to the outer wall of the front box girder of the side span. The supporting crossbars are fixed to the upper end face of the cantilever brackets. At least two supporting crossbars are provided on each cantilever bracket. A mounting base is provided at the bottom of the steel plank, and a slot is formed on the lower end face of the mounting base to engage with the supporting crossbar. Limiting holes are formed on the outer wall of the supporting crossbar, and limiting rods are inserted into the limiting holes on the outer wall of the mounting base. The guardrails are fixed to the outer side of the upper end face of the steel plank for protection. This application improves the connection stability of the steel planks.

The utility model relates to a handheld folding steam brush not prone to water leakage of water pump joint, including a brush head with handle, the lower end of handle is detachable with water tank, handle top is equipped with a rotatable joint, handle middle is equipped with water pump, handle lower side inside is equipped with still one mounting plate, the mounting plate top is protruding with the surrounding wall, the surrounding wall surrounds a water pump installation chamber, water pump is located in water pump installation chamber, water pump can be up and down activity a distance, water outlet nozzle of water pump is located water pump top, and water outlet nozzle is equipped with water outlet pipe through rotatable joint. The utility model has the advantages of: water pump can be up and down activity in water pump installation chamber, when the water pipe is aged and produces big stress at water pump water outlet nozzle, water pump can alleviate the pressure that water pipe bears through activity. Inhibit the water leakage and the circuit failure caused by water leakage due to water pipe to come out, improve the steam brush service life.

This utility model belongs to the field of metal shaft technology, specifically an electroplating device for enhancing the corrosion resistance of metal shafts. It includes a tank, a machine body, and a suspension device. The machine body is located on one side of the tank. A movable part is slidably connected to the inner wall of the machine body, and a hook is fixedly connected to the bottom end of the movable part. The suspension device is disposed on the surface of the hook and includes a fixing block that fits onto the surface of the hook. Multiple placement blocks are fixedly connected to the surface of the fixing block. A movable block is slidably connected to the inner wall of the placement block. A limiting device is provided on the side wall of the movable part. The limiting device includes a receiving block, whose side wall is fixedly connected to the side wall of the movable part. A sliding column is slidably connected to the inner wall of the receiving block, and a sleeve column is fixedly connected to the bottom end of the sliding column. By setting up the entire device, the metal shaft can be suspended, and the position of the hook can be easily adjusted, reducing the contact between metal shafts and thus reducing the impact on the electroplating effect.

The utility model relates to the technical field of medical instruments, in particular to a hepatitis B virus adsorption device. The device comprises an adsorption assembly and a mounting assembly, the adsorption assembly comprises a circulation pipe body, a filtering sub-assembly detachably arranged in the circulation pipe body and a pair of installation connectors symmetrically arranged at the upper end and the lower end of the circulation pipe body and used for being communicated with the two hemodialysis pipes respectively. The mounting assembly comprises a pair of mounting shells which are symmetrically buckled on the left side and the right side of the circulating pipe body, a pair of clamping sub-assemblies which are symmetrically arranged on the opposite side faces of the two mounting shells left and right, and a fixing sub-assembly which is arranged between the mounting shells and the circulating pipe body and is used for fixing the mounting pipe body; each clamping sub-assembly comprises a pair of clamping plates which are symmetrically and rotationally arranged at the upper end and the lower end of the mounting shell; arc-shaped parts are arranged at the ends, away from each other, of the two clamping plates in each clamping sub-assembly. According to the device, the situation that the communicating position of the hemodialysis tube and the mounting connector is bent in the adsorption process, and blood passing is affected is avoided as much as possible.

The utility model discloses an embodiment provides a kind of support structure and electronic equipment protective housing, support structure includes: first support connecting piece, second support connecting piece and pivot;The first support connecting piece is rotatably connected with the second support connecting piece by the pivot;Placement slot is provided on the first support connecting piece, and the end of the pivot is clamped in the placement slot;The support structure further includes anti-exit structure, and the pivot is limited in the placement slot by the anti-exit structure.This embodiment is provided with placement slot on the first support connecting piece, and the pivot is clamped into placement slot using clamping mode, the slot width of placement slot is less than the diameter of pivot, so that the slot side wall of placement slot is tightly pressed pivot and is limited in placement slot, avoids the situation that pivot and support are loose and separated in use process.

The application provides a high-efficiency magnetic separation device in a quartz sand beneficiation process, and relates to the technical field of sand making equipment. The device comprises a magnetic wheel arranged on one side of a support, the diameter of the two ends of the magnetic wheel gradually narrows to the middle part, and the device comprises a driving source arranged on the support to drive the magnetic wheel to rotate around its axis, a fixed column arranged in the middle part of the magnetic wheel and coaxially arranged with the magnetic wheel, and a cam arranged on the fixed column and extending to a radial length higher than that of the two sides of the magnetic wheel. The support, the magnetic wheel, the conveying belt and the cam are arranged, the middle part of the conveying belt is lifted by the cam to make the material roll and disperse, the inclined surface cooperates with the magnetic wheel to form an initial concave surface to reduce the discharge of quartz sand, the friction groove is engaged with the friction plate to increase the friction force, prevent slipping and generate wave intervals to further disperse the material, the material is fully dispersed for the second time, the internal impurities are exposed and effectively adsorbed by the magnetic wheel, the magnetic separation is efficiently completed, the loss is reduced, and repeated operations are avoided.

The utility model discloses a kind of angle of automatic adjustment push force fan, it is related to air cushion vehicle accessory technical field, the utility model includes fan shell, fan shell top is connected with mounting seat, and mounting seat outer surface is connected with vertical rod, vertical rod one end is connected with support ring, vertical rod both ends are connected with cross bar;Second support rope is arranged in cross bar, and second support rope is connected with second pressure rod between cross bar, first support rope is arranged in vertical rod.The utility model is set by mounting seat, vertical rod, cross bar and support ring, and protective net is formed by mounting seat, vertical rod, cross bar and support ring, mounting seat is the outer ring support base of protective net, and support ring is the inner ring support base of protective net, main body protection is carried out by vertical rod and cross bar, vertical rod and cross bar adopt water drop shape section and sharp part is towards fan blade, can guide airflow more smoothly pass through, help to reduce the generation of vortex, turbulence;Air resistance generated by protective net is reduced, so as to play certain energy-saving effect.

The application provides a frame-embedded preform integrated weaving method and a preform. The weaving method comprises the following steps: providing a frame; connecting one end of N layers of warp yarns with a loom, winding the other end of the warp yarns around the front end of the frame, folding the other end of the warp yarns, connecting the other end of the warp yarns with the loom, and forming 2N layers of warp yarns on the frame; layering the warp yarns, wefting according to a selected fabric structure, and weaving to a selected preform structure size; separating the 2N layers of warp yarns into upper and lower parts, then making the rear end of the frame pass between the upper and lower parts of the warp yarns, and continuing to weave the end fabric; disconnecting the warp yarns, connecting a frame pressing plate with the frame, clamping the preform, and obtaining a frame-embedded preform. The method realizes the integration of the frame and the preform, reduces the deformation of the fabric caused by the inconsistent tension during assembly, effectively improves the strength of the preform, clamps the warp and weft yarns of the preform wound on the frame firmly by the frame pressing plate, and reduces the possibility that the preform is detached from the frame.