31results about How to "Extended Durable Life" patented technology

A composite hose comprises a corrugated metal tube as barrier layer against permeation of conveyed fluid and a reinforcing layer which is formed by braiding a reinforcing wire member made of a metal wire. A braid density of the reinforcing layer is 55% or less.

The present invention provided a pedal assembly capable of position adjustment in a brake pedal assembly and an acceleration pedal assembly to be used for drive operation of a vehicle. The adjustable pedal assembly includes a pedal arm hingeably mounted to a support bracket, a pedal part disposed at an end portion of the pedal arm, a gear assembly fixedly mounted to the pedal arm, and driving means for driving the gear assembly. The gear assembly includes a first gear part for receiving a driving force of the driving means, and a second gear part engaged with the first gear part for moving the gear assembly according to a driving direction of the first gear part to thereby change a position of the pedal arm.

The invention discloses a roadway repairing device used for a coal mine and a using method of the roadway repairing device used for the coal mine, and belongs to the technical field of roadway repairing. The roadway repairing device used for the coal mine comprises a vehicle body, wherein a cab is fixedly installed at the top of the vehicle body, crawler belts are fixedly installed at the bottom of the vehicle body, a breaking hammer head is hinged to one side of the vehicle body through a hydraulic transmission arm, the outer side wall of the breaking hammer head is sleeved with a dustproof mechanism, a soil shoveling mechanism is hinged to one side of the vehicle body, a protection mechanism is arranged at the top of the cab, and a lighting mechanism is fixedly connected with the bottom end of the hydraulic transmission arm. According to the roadway repairing device used for the coal mine and the using method of the roadway repairing device used for the coal mine, by arranging an extrusion pad, energy absorption protection can be rapidly conducted on the extrusion pad and an attached protection pad, then effects of dust on the body of an external worker during crushing and repairing can be effectively avoided, meanwhile, the roadway repairing device used for the coal mine can adapt to a vibration effect of the crushing hammer head, the durable life is prolonged, the convenient-to-disassemble capacity is improved, the plastic protection pad and the plastic extrusion pad can absorb sound waves at the same time, and thus noise effects on a nearby environment are reduced so that the overall use requirements can be met.

Disclosed is a sheet feeding device capable of prolonging the durability life span of the retard roller with a simple structure with ease and an image forming apparatus which includes the sheet feeding device. The sheet feeding device includes a feed roller 102 which rotates in a sheet feed direction, a retard roller 103 which is able to rotate in a reverse direction to the sheet feed direction which forms a separation nip portion. A torque limiter 202 which is interposed between a drive shaft 202b and a roller shaft 103b of the retard roller 103 to transfer a predetermined torque of the reverse direction to the retard roller 103; and a speed changing device 301 which is interposed between an output shaft 202a of the torque limiter 202 and the roller shaft 103b to change a magnitude of the predetermined torque transferred to the retard roller 103.

The invention discloses a dustproof partition device for building construction, and relates to the technical field of buildings. The dustproof partition device comprises a partition mechanism, limiting mechanisms are movably connected to the two sides of the bottom of the partition mechanism, connecting mechanisms are attached to the two sides of the top of the partition mechanism, and dustproof mechanisms are fixedly mounted at the tops of the connecting mechanisms. According to the dustproof partition device, by arranging the limiting mechanisms and the connecting mechanisms, a supporting rod and the bottom of a fence are fixed and limited, a sliding groove in one side of a connecting base slides out of a sliding block on the top of the supporting rod, a third sliding rod is reset and clamped into a third clamping hole, and a connecting rod limits and supports the supporting rod through clamping limiting, so that the stability of clamping and assembling of the fence and the supporting rod can be improved by clamping and limiting the bottom, the top and one side of the supporting rod, the placing and storing portability can be effectively improved through the modular connecting mechanisms and the modular limiting mechanisms, and then the assembling efficiency is remarkably improved while the storing portability is guaranteed; and in addition, the overall limiting and supporting capacity is improved, and the fence fixing safety is guaranteed.

The invention discloses a heating pipe which comprises a protection pipe, a heating element and a fireproof supporting block on the inner bottom surface of the protection pipe, wherein the fireproof supporting block is arranged between the heating element and the protection pipe. According to the invention, by adding the fireproof supporting block inside the protection pipe of the heating pipe to isolate the heating element from the pipe wall of the protection pipe, the heating element is prevented from being in direct contact with the pipe wall of the protection pipe and the condition of local overheating cannot occur to the pipe wall, which is very sensitive to temperature variation, of the protection pipe, so that the service life of the pipe wall of the protection pipe is prolonged, the consumable quantity of the protection pipe is reduced and economy of the integral device is promoted. In addition, the invention also provides a heating pipe installation method. The method can avoid damage to the heating pipe and prolong the service life of the heating pipe.

A board-plank premixing burner port arrangement which increases durability by preventing a large force from being applied to a burner-fixing structure despite accumulated thermal expansion caused by red heat on a burner surface. A burner body unit includes partially cut and stacked plates. The plates form a gas mixture passage and a burner port, are disposed such that cut parts of the neighboring plates intersect one another. The board-plank premixing burner port arrangement has increased combustion efficiency by reducing burner port deformation, and is easily manufactured at a low cost through a simplified installation structure of the burner port.

The present invention relates to a turbine wheel of an automotive turbocharger, including a Ni-based alloy having a composition which contains, in terms of mass %: C: 0.08 to 0.20%; Mn: 0.25% or less; Si: 0.01 to 0.50%; Cr: 12.0 to 14.0%; Mo: 3.80 to 5.20%; Nb+Ta: 1.80 to 2.80%; Ti: 0.50 to 1.00%; Al: 5.50 to 6.50%; B: 0.005 to 0.015%; Zr: 0.05 to 0.15%; and Fe: 0.01 to 2.5%, with the remainder being Ni and unavoidable impurities, in which the turbine wheel includes a wing part and a shaft part, and a size of γ′ phase in each site of from a tip of the wing part to the shaft part is structure-controlled so as to fall within a range of from 0.4 to 0.8 μm.

The invention discloses a high-strength concrete-filled steel tube pile, which specifically relates to the technical field of concrete-filled steel tubes. A first anode ring is fixedly connected in the fixing ring, a second anode ring is fixedly connected in the second fixing ring, both the first anode ring and the second anode ring are attached to the steel pipe, and the inner cavity of the steel pipe is The sides are fixedly connected with a card seat, and the bottom of the inner cavity of the card seat is fixedly connected with a positioning column. By arranging the pipe body, the first fixing ring and the second fixing ring, the present invention exhibits good seismic performance, and the first anode ring and the second anode ring are used as protective electrodes to delay the corrosion rate of the whole steel pipe, which is different from the prior art. Compared with the overall extension of the corrosion resistance and seismic resistance of the concrete filled steel tube of the building foundation, the overall strength of the steel tube is improved, and the safety performance of the building is greatly improved.

The invention discloses a functional ceramic and its production equipment and production method, belonging to the technical field of functional ceramics, comprising a firing seat, four corners of the bottom of the firing seat are fixedly connected with supporting legs, and several inner cavities of the firing seat are two Both sides are provided with a chute, and a slider is slidably connected in the chute, and a lifting seat is fixedly connected between the sliders on both sides, and a spring is fixedly connected to both sides of the bottom of the lifting seat. The bottom of the inner cavity of the manufacturing seat is fixedly connected, and the bottoms of several inner cavities of the firing seat are all embedded with threaded caps. In the present invention, the position of the support pin seat can be adjusted by setting the threaded column and the threaded cap to match the height and weight of the green embryo. By setting the clamping seat and the block, it is convenient for the support pin to be replaced after firing. By setting the dissolving layer and the The glaze can melt the contact surface after firing, and recoat the glaze on the bottom of the green body to ensure the integrity of the glaze on the bottom of the functional ceramics, and improve the durability and corrosion resistance.

The invention discloses a graphene feed liquid deacidification method and device, and belongs to the technical field of graphene production, wherein the graphene feed liquid deacidification method specifically comprises the following steps: S101, feeding to-be-treated graphene feed liquid into a storage tank for preliminary precipitation; S102, removing impurities from the bottom of the precipitated graphene feed liquid, pressurizing the graphene feed liquid through a pressurizing pump, and feeding the graphene feed liquid into ceramic membrane equipment; and S103, carrying out nanofiltration filtration deacidification on the graphene feed liquid entering the ceramic membrane equipment through a ceramic membrane, and fully filtering to obtain a ceramic membrane concentrated solution. According to the method, the graphene feed liquid is subjected to ceramic membrane deacidification, the ceramic membrane concentrated solution is obtained, the molecular weight cutoff of a ceramic membrane used in the ceramic membrane deacidification is 10-50 nm, the pressure intensity of the ceramic membrane deacidification is 0.3-0.6 MPa, and the content of sulfuric acid in the concentrated solution treated through the ceramic membrane is greatly reduced; and through effective concentration and filtration of the graphene feed liquid, the operation time is shortened, the water consumption is reduced, and the production cost is reduced.

The invention discloses furniture spraying equipment, which belongs to the technical field of spraying, and comprises a fixed frame, a dust cover is fixedly installed on one side of the fixed frame, a spray pump is fixedly installed on the other side of the fixed frame, and a spray pump is fixedly installed on the bottom of the fixed frame. The transmission is connected with a plurality of conveying rollers, and the conveying rollers are located in the dust-proof cover. The dust-proof cover is provided with an opening corresponding to one side of the fixing frame, and a straight line is fixedly installed on one side of the fixing frame corresponding to the opening. mod. In the present invention, the relative unfolding radian of the fitting parts is regulated by the distance between the fitting parts to effectively adapt to the curvature of the folds on the surface of the furniture, and the spraying material is atomized by the spray pump and then sent to the bottom of the fitting parts for spraying. In the nozzle, the spraying nozzle realizes the controlled spraying treatment of the folds and the curved surface of the bottom by bonding with the folds of the furniture, which effectively improves the adjustment and adaptability of the spraying of the folds, improves the precision and effect of the spraying process, and meets the needs of use.

The invention discloses a digital pressure gauge, belonging to the technical field of measuring equipment, comprising an assembly box, the bottom of the assembly box is connected with an inner core tube, and the outer wall of the inner core tube is fixedly installed with a connecting flange, and the top of the assembly box is provided with a There is a pressure component, and the top of the pressure component is movably connected with a protective component, and the inner cavity of the assembly box is movably connected with a clamping part. In the present invention, the pressure medium can be collected and drained to the bottom pressure relief pipe and enter the protective assembly through the liquid storage tank in the inner cavity of the sump shell, so as to avoid damage to the front end of the protective shell and the pressure gauge body due to impact. It is conducive to the realization of emergency protection after the pressure gauge body ruptures due to the pressure medium exceeding the threshold value, avoids the impact damage caused by the direct splash of the pressure medium to the external environment, provides emergency response time in case of leakage, and is conducive to the emergency evacuation or emergency repair of the staff. Rescue, and then can effectively improve the use of protection security.

The invention relates to the technical field of super-hard composite materials, in particular to a method for prolonging the endurance life of a diamond compact and the diamond compact. The method forprolonging the endurance life of the diamond compact includes the steps: irradiating an interface between a substrate and a diamond layer and the surface of the diamond layer by ultra-fast pulse laser beams; polishing the surface of the diamond layer. The diamond compact is manufactured by the ultra-fast pulse laser beams, a gradient transition layer is generated between layers, so that the substrate and the diamond layer are firmly combined, and sudden change of a thermal quantity and a mechanical quantity on the interlayer interface is avoided. The surface (cold annealing) of the diamond layer is irradiated by the ultra-fast pulse laser beams, thermal stress concentration and lattice defects of the diamond layer can be eliminated, D-D bonds on the surface of the diamond layer can be firmly bonded, cobalt atoms are 'extruded' to the surface of the diamond layer, a rich cobalt layer is removed by polishing, ultra-high surface smoothness is realized, the high-temperature resistance ofthe diamond compact is improved, and the service life of the diamond compact is prolonged.

The invention discloses a highly stable and convenient retractable ship anchor, which belongs to the technical field of ship anchors. The pillars are placed on both sides of the anchor pile body at an inclined angle, and the top of the anchor pile body is equipped with a cable, and an anti-off mechanism is provided between the anchor pile body and the cable to absorb the impact force of the cable and extend the durable life. A positioning mechanism is fixed at the bottom of the anchor pile body. In the present invention, after the abutment plate is in contact with the bottom of the water, the sliding rod drives the crushing plate and the crushing teeth to pierce the internal positioning pyrotechnic rod, and the positioning pyrotechnic rod emits eye-catching smoke and passes through the gap of the sliding sleeve at the bottom of the transparent anchor cone. The overflow can be extended upwards, so that the display and positioning of the cable and the anchor pile body can be realized, which is conducive to underwater positioning and fishing, and can effectively improve traceability and safety, thereby reducing the risk of loss of the anchor pile body and meeting the needs of continuous use .

The invention relates to the field of 3D printing, in particular to a 3D printing method and a double-beam 3D printing device. The 3D printing method of the present invention includes the following steps: delivering the printing material to the printing beam nozzle; driving the printing beam nozzle to move and eject the printing material to form a printing layer on the substrate; layer; the interface between the substrate and the printing layer and between the printing layer and the printing layer is irradiated with an intense pulse energy beam / particle beam to form a continuous gradient transition layer at the interface, that is. The 3D printing method of the present invention uses intense pulsed energy beams / particle beams to perform cold processing on the interface, so that the atoms at the interface instantly diffuse, melt and solidify to form a continuous gradient transition layer, eliminating the sudden change in thermal and mechanical properties on the interface, and thermal processing The resulting thermal stress and lattice defects on printed points, lines, and surfaces greatly improve the durability, high temperature and high pressure resistance of 3D printing additive products.

The invention belongs to the technical field of sewage treatment plant manufacturing in environmental protection, more particularly relates to the structure of impellers of an inverted umbrella type oxidation ditch aeration machine. The main structure is an inverted cone with a bottom included angle being 140 degree, 8 impellers are embedded on the cone surface of the cone body all together, the blades of the impellers are perpendicular to the cone surface, and the impellers include 4 short-blade impellers and 4 small-blade impellers; and the 4 short-blade impellers and the 4 small-blade impellers are alternately arranged with equal spaces. Part of the blades at the lower part of the short-blade impeller are prolonged directly so as to stir fluids at the bottom, increase the up-and-down cycling speed and the horizontal flowing speed of sewage, and improve three functions of the aeration machine, that is, oxygenizing, stirring and plug-flowing. Compared with the present structure, the structure is more effective and can be applied more widely to the aeration and plug-flowing of a deep oxidation ditch.

The invention discloses an image work display device for ideological and political education, and belongs to the technical field of ideological and political education. The device comprises a display column box, an adjusting base is arranged at the bottom of the display column box and used for bearing and supporting the display column box, a protection mechanism is adjustably arranged between the display column box and the adjusting base and used for improving the protection capability, and a cover plate is arranged at the top of the display column box. In the invention, a connecting rod moves to drive a flexible unfolding roller to unfold and fully unfold a flexible screen under the extrusion of a bottom flattening plate, the unfolded flexible screen can play the ideological and political education image works; meanwhile, the flattening plate can realize the display of the arc-shaped surface of the flexible screen through the contact with the flexible screen, so that the naked eye 3D effect can be favorably displayed in cooperation with the ideological and political education image works, the display difficulty of naked-eye 3D images is reduced, and the display effect and the visual range of the image works are improved; and meanwhile, the device can be stored in the display column box when not used, the placement safety is improved, and the overall durable life is prolonged.

A clad material 1A for insulating substrates is provided with a Ni layer 4 made of Ni or a Ni alloy, a Ti layer 6 made of Ti or a Ti alloy and arranged on one side of the Ni layer, and a first Al layer 7 made of Al or an Al alloy and arranged on one side of the Ti layer 6 that is opposite to a side of the Ti layer 6 on which the Ni layer 4 is arranged. The Ni layer 4 and the Ti layer 6 are joined by clad rolling. A Ni—Ti series superelastic alloy layer 5 formed by alloying at least Ni of constituent elements of the Ni layer 4 and at least Ti of constituent elements of the Ti layer 6 is interposed between the Ni layer 4 and the Ti layer 6. The Ti layer 6 and the first Al layer 7 are joined by clad rolling in an adjoining manner.

The invention discloses an intelligent sewage lifting pump station system. The intelligent sewage lifting pump station system comprises a base, wherein a box body is fixedly installed on the top of the base, a backflow mechanism is fixedly installed on one side of the box body, a liquid inlet mechanism communicates with one side of the backflow mechanism, and the liquid inlet mechanism communicates with one side of the box body. According to the intelligent sewage lifting pump station system, a filter screen is extruded and flushed by a pressurizing mechanism through sewage accumulation, accumulated sludge can be pressurized and impacted into the backflow mechanism, and the sludge is lifted and recycled through a conveying auger, so that the sewage and sludge treatment progress is effectively increased, the service life of equipment is effectively prolonged, and the maintenance frequency is obviously reduced; and additionally, a hopper is pressurized and reset through a movable liquid storage tank, a first compression air bag is extruded by the hopper so as to purge and clean the deposited sludge, sewage is prevented from being accumulated on the tail end of a blow-off pipe through the cooperation of a grid type crusher, the durability of a sewage lifting pump station is further increased, and the overall use requirement is met.