40results about How to "High-pressure resistance" patented technology

The invention discloses an automobile brake energy storing-releasing driving device which comprises a cylinder with a spring, a translation portion and a rotation portion. The cylinder with the spring comprises a cylinder wall, a piston and the spiral spring, a cylinder cavity is formed by the cylinder wall, the piston is in sliding fit with the inner side of the cylinder wall, the spiral spring is connected among the piston and the ends of the cylinder, the direction of elasticity of the spiral spring is parallel to the sliding direction of the piston, and gaseous media are arranged in the cylinder cavity or are arranged in a built-in rubber capsule cavity of the cylinder; the translation portion comprises a double-side toothed column and a shell of the translation portion, one end of the double-side toothed column is connected with the piston, rack grooves are formed in two opposite sides of the double-side toothed column along the sliding direction, and the double-side toothed column is arranged in the shell of the translation portion; the rotation portion comprises two gears, and the two gears are meshed with the double-side toothed column from the two opposite sides of the double-side toothed column, are respectively connected with a brake system of an automobile by input transmission systems and are connected with a hybrid power device by output transmission systems. The invention further discloses an automobile brake energy storing-releasing driving method. The automobile brake energy storing-releasing driving device and the automobile brake energy storing-releasing driving method have the advantages that energy of the automobile can be saved, and emission of the automobile can be reduced.

The invention discloses a building self-adaptive foundation uneven settlement method and its structure, which are suitable for frame structure buildings in areas with large uneven settlement caused by underground mining. A frame support with relative movement is connected between the reinforced concrete foundation and the frame column foot, the base of the frame support is fixed with the reinforced concrete foundation, and the top seat of the frame support is fixed with the frame column foot. When uneven settlement occurs, the reinforced concrete foundation sinks, and the frame support is elongated along with it. The automatic elongation of the frame support is used to eliminate the influence of uneven settlement, thereby effectively reducing the impact of uneven foundation settlement on frame structure buildings. damage and enhance the reliability of the overall structure. The frame support has the self-adaptive performance of automatic elongation with the settlement of the reinforced concrete foundation, and has high sensitivity. Its method and structure are simple, easy to install and disassemble, and the project cost is low. High, and can be replaced and maintained at any time.

The present invention provides an aircraft tire having a carcass structure capable of sufficiently satisfying recent demands for high pressure resistance without increase in tire weight. An aircraft tire 9 includes a pair of bead portions 2 and a carcass 4 made by stacking two or more carcass layers 3 composed of cords coated with rubber, which toroidally extend between the bead portions 2. Further, with respect to carcass layers 3 of the carcass 4 which are adjacent to each other, elongation at break of a widthwise outer carcass layer 3 is smaller than elongation at break of a widthwise inner carcass layer 3.

In a method for the hydro-erosive rounding of an edge of a part, particularly an edge in a duct of a high pressure-resistant part, and a use thereof, a liquid to which abrasive elements are added is directed along the edge that is to be rounded. In order to optimize the result of the rounding process, a high-viscosity liquid is used as a liquid (10). The inventive method is used for rounding parts of a fuel injection system.

A substrate treatment apparatus for treating a substrate on which a plurality of patterns are formed adjacently, has a first chamber which has resistance to a chemical and cleans the substrate with the chemical; a second chamber which is disposed above or below the first chamber, has higher pressure resistance than the first chamber, and supercritically dries the substrate; and a gate unit which is provided between the first and second chambers and can be opened/closed.

A hose clamping structure 10 includes: a metal pipe 11 having an inserting end portion 12 straightly extending in an axial direction at one end and having a ring-shaped projecting portion 13 at a leading end of the inserting end portion 12; a rubber hose 16 insertedly fitted to the entire outer surface of the inserting end portion by press-fitting and secured thereto in an unbonded manner; and a tubular sleeve member 21 mounted to the outer surface of the rubber hose and extending over the substantially full length of the inserting end portion, and tightened from outside so as to clamp the rubber hose. The sleeve member includes a second tightening portion 27 and a first tightening portion 24 apart from each other in an axial direction. The first tightening portion includes a tubular portion 25 substantially parallel with the axial direction at the side of the second tightening portion, and a tapered portion 26 tapered and widened into a conical shape from the tubular portion toward the leading end of the inserting end portion.

The invention relates to a high-stability immobilized metal-chelating affinity chromatography medium which adopts agar agarose gel microspheres as an inner core, wherein silicon nitride and boron nitride are dispersed on the surfaces of the agar agarose gel microspheres; oligosaccharins are cross-linked on the surfaces of the agar agarose gel microspheres; hydroxyl in agar agarose molecules on thesurfaces of the agar agarose gel microspheres and amino in the oligosaccharins are bonded with allyl-2,3-allyl glycidyl ether; the allyl-2,3-allyl glycidyl ether is connected with aglucon; and the aglucon is used for immobilizing and loading metal ions through coordination. Through design and improvement of the chromatography medium, the stability of the chromatography medium is improved, the service life of the chromatography medium is prolonged, and a relatively high medium immobilization capacity and a good separation effect can be still maintained after multiple times of repeated use.

The invention discloses a technology for preparing a baking-free brick from iron tailings. The packing density of raw materials after rolling treatment is increased,the compactness of a brick body is improved, the intensity of the baking-free brick is improved, the mixing effects of the raw materials can be the best by controlling rolling time, and besides, changes in particle size are inapparent; the raw materials have better uniformity under synergistic effects of stirring and mixing as well as rolling and mixing; and the development of the early strength of the baking-free brick can be accelerated through an appropriate quantity of additives, and the later strength of the baking-free brick can be guaranteed. The baking-free brick prepared by adopting the preparation technology has the advantages of being high in compression resistance and large in freezing resistance, and is large in market potential and broad in prospects.

A hermetic structure includes a hermetic body having a through-hole passing through a high pressure side and a low pressure side, the through-hole having a tapered portion whose diameter increases from the low pressure side toward the high pressure side, a conductor inserted through the through-hole, a protector component fit in the tapered portion, the protector component having a hole for inserting the conductor, and a glass member provided in the through-hole, on the low pressure side from the protector component, so as to seal the conductor.

The invention provides filament yarn bonding type honeycomb structure high-elastic antibiosis non-woven cloth. The filament yarn bonding type honeycomb structure high-elastic antibiosis non-woven cloth comprises a plurality of synthetic fiber nets sequentially stacked in a reciprocating Z shape, an antibacterial agent is sprayed inside the synthetic fiber nets, the synthetic fiber nets are sequentially connected in an end-to-end mode, the fiber net included angle between the adjacent synthetic fiber nets is an acute angle smaller than 2 degrees, hot melting filament yarns are arranged on the front surfaces and the back surfaces of the synthetic fiber nets in the width directions of the synthetic fiber nets at equal intervals in a side by side mode, and the hot melting filament yarns are folded in the reciprocating Z shape with the synthetic fiber nets. Each synthetic fiber net is a layer-shaped fiber net and formed by overlapping an upper layer fiber net, an elastic fiber net and a lower layer fiber net. The preparation method comprises the following steps that 1, preparation before net forming is conducted; 2, machinery carding for net forming is conducted; 3, fiber net synthetization is conducted; 4, the antibacterial agent is sprayed, 5, the nets are vertically laid; 6, drying is conducted; 7, edge cutting is conducted; 8, winding is conducted. The filament yarn bonding type honeycomb structure high-elastic antibiosis non-woven cloth has the advantages that not only is the high elasticity achieved, the antibacterial performance good, the structure simple, but also the cost is low, and the environment protection is achieved.

Film bonded type honeycomb structured high-elastic upright cotton comprises a plurality of fiber webs formed in a sequentially repeated Z-shaped laminated mode, the fiber webs are sequentially connected end to end, and hot melting films are sandwiched between adjacent fiber webs. The fiber webs are prepared through processes of web forming preparation and mechanical carding web forming. The fiber webs are a mixture of low-melting polyester staple fiber and elastic polyester staple fiber, the low-melting polyester staple fiber is 15% to 35% by weight, and the elastic polyester staple fiber is 65% to 85% by weight. The prepared fiber webs is subjected to processes of fiber web film laying by laying the hot melting films on both sides of every fiber web, vertical layering, drying, trimming and winding to obtain the film bonded type honeycomb structured high-elastic upright cotton. The film bonded type honeycomb structured high-elastic upright cotton is high in elasticity, simple in structure, low in cost and environmentally friendly.

The invention relates to a connecting device which can be quickly removed and installed, and particularly relates to a novel male plug for a quick connector. The novel male plug for the quick connector comprises a plug, wherein the inner wall of the plug extends inwards so as to form a blocking opening, a plug bushing is arranged at the blocking opening, a plug valve rod sleeves the interior of the plug bushing, the back part of the plug valve rod sleeves a plug valve seat, a plug valve core valve sleeve sleeves the interior of the front end of the plug valve rod, a plug valve core inner ring rod sleeves the interior of the plug valve core valve sleeve, a plug valve core spring is arranged between the plug valve core inner ring rod and the plug valve seat, the outer wall of the front end of the plug is sunken so as to form a spiral groove, a flow channel hole is formed in the middle inner wall of the front surface of a connector body of the plug, two horizontal installation openings are formed in the back surface of the connector body of the plug, and the back part of the plug valve seat makes contact with the inner wall of the front end of the flow channel hole. The novel male plug has the beneficial effects that loop design is adopted by the two installation openings of the shell connector body, a pressure source can be operated without shutdown, the male plug is directly inserted into a female socket for connection and disconnection, self decompression can be realized, and the tolerance pressure is high.

The invention relates to a connection device capable of being rapidly disassembled and assembled, in particular to a novel rapid coupling. The novel rapid coupling comprises a male plug and a female socket. The male plug comprises a plug body, the inner wall of the plug body is extended inwards to form a stop opening, the stop opening is provided with a plug lining, a plug valve rod is sleeved with the plug lining, the rear portion of the plug valve rod is sleeved with a plug valve base, a plug valve element valve lining is sleeved with the front end of the plug valve rod, and a plug valve element inner ring rod is sleeved with the plug valve element valve sleeve. The female socket comprises a shell, the rear portion inside the shell is sleeved with a shell valve sleeve, the shell and the front portion of a shell connector body are sleeved with a sleeve, the front portion inside the shell valve sleeve is sleeved with a shell lining base, a shell lining is sleeved with the shell lining base, a shell lining inner ring is sleeved with the shell lining, and a shell valve base is arranged in the shell lining inner ring. The novel rapid coupling has the beneficial effects that loop design is achieved, a pressure source can achieve shutdown-free operation, the male plug is directly inserted into the female socket for connection and disconnection, self pressure relief can be achieved, and tolerance pressure is high.

The invention relates to the technical field of composite enameled wire production, in particular to a production process and equipment of a Freon-resistant composite enameled wire wrapped with glass fiber, and the process comprises the following steps: a copper wire body which is clean and smooth in appearance quality and free of burrs, scratches, oxidation layers and oil stains is adopted and then enters a softening furnace to be preheated; then, the wire body is quickly and accurately guided, and the copper wire body is subjected to Freon-resistant insulating paint dipping by using a paint dipping device; then the processing device can carry out curing treatment on the wire body subjected to paint dipping; single-layer glass fibers are used for wrapping, wrapping needs to be tight and flat, and the wrapping fibers are free of seam exposure and accumulation; winding operation is carried out after wire winding is finished; the equipment comprises a supporting bottom plate, a guiding clamping plate, a paint dipping device, a machining device, a connecting clamping plate, a winding clamping plate, a winding device, a connecting bottom frame, a tooth-shaped belt and a servo motor. The preparation method is reasonable in design, simple in process and clear in process route, and the prepared finished product has excellent performance of high temperature resistance, high pressure resistance and corrosion resistance.

The invention relates to the field of cable accessories, and specifically relates to an isolating insulation piece for a hexagonal insulating guide rod. The isolating insulation piece is provided witha tubular body made of an elastic insulating material, wherein the tubular body is internally provided with a hexagonal inner hole matched with the rod body of the hexagonal insulating guide rod in shape, the outer wall of the tubular body is provided with at least seven insulating umbrella skirts arranged side by side, the skirt edges of each insulating umbrella skirt at two sides are symmetrically inclined outwards, the inclination angle is 3-5 degrees, the internal part of the hexagonal inner hole of the tubular body is further tightly equipped with a detachable a support strip winding tube, and the radius of the support strip winding tube is not less than the side length of the cross section of the rod body of the hexagonal insulating guide rod. The sealing performance and the safetybetween the isolating insulation piece and the hexagonal insulating guide rod are greatly improved. Meanwhile, the isolating insulation piece is convenient and efficient to operate and improves the construction efficiency.

The invention discloses a pile-bearing supporting arm type retaining wall. The pile-bearing supporting arm type retaining wall comprises a bottom plate, a vertical arm fixed to the bottom plate and a rib plate used for connecting the bottom plate with the vertical arm; and a cast-in-situ bored pile is fixedly arranged at the bottom of the bottom plate, and the top of the cast-in-situ bored pile extends upwards into the bottom plate. According to the pile-bearing supporting arm type retaining wall, the cast-in-situ bored pile is only arranged below the bottom plate of the supporting arm type retaining wall, the cast-in-situ bored pile is in rigid connection with the bottom plate, the structure is simple, and the stress and force transmission ways are clear; the cast-in-situ bored pile has high pressure resistance, pulling resistance and horizontal external force bearing capacity; and the bottom plate transmits the dead weight, the upper load, the pressure borne by the vertical arm and other loads to a pile foundation, then the loads are transmitted to foundation soil through the pile foundation, and the purpose of improving the anti-overturning force, the anti-sliding force and the foundation bearing capacity on the premise that the size of the bottom plate is not increased is achieved.

The invention discloses a connecting device of an electric power steering system. The connecting device of the electric power steering system comprises a first connector, a second connector and a core wire, wherein the first connector is connected with the second connector through the core wire; the first connector is connected with a power steering motor device; the second connector is connected with an electronic control unit; a corrugated pipe sleeves the outer side of the core wire; a sealing fixing piece is arranged on a portion, which is connected with the power steering motor device, of the first connector; and waterproof glue is arranged on a portion, which is connected with the electronic control unit, of the second connector, so that secondary watertightness is realized, and the waterproof effect of the connecting device is greatly improved.