65results about How to "Improve load carrying capacity" patented technology

A bracket having a long leg and a base wherein the base has at least two layers. A preferred bracket has lateral support pieces connecting the long leg and the base. A method of holding a second portion of a structure which is subject to a pulling or pushing force tending to separate it from a first portion of the structure is also disclosed. The method comprises providing an “L”-shaped bracket having a long leg and a base, laterally attaching the long leg of the bracket to a first portion of the structure and laterally attaching the base of the bracket to the second portion of the structure.

This invention discloses one kind of belt ferromagnetism decoration face brick, including the face brick substrate, the respective face brick base in vivo establishment has the high energy magnetism to receive the carrier. This invention in the retention ordinary inner wall decoration face brick decoration foundation, increased the face brick in the wall surface direct fixed thing load bearing function, uses this invention user to be allowed completes after the repair, with wishes fulfilled changes some goods in the wall surface stationary position, or in some new position fixed new thing, like this already cannot after change the stationary position the wall surface residual fastener but the rigid wall surface overall impression, also does not have or installs the new goods for some object change stationary position but reto construct, the use is extremely simple, convenient; This invention function effect good, use safe reliable, may use in directly again but sees the thin shape goods to 4 kilograms (including each kind of wall mirror, wall lamp, mural and so on) fixed, has the structure simply, manufacture convenient, production cost low, applicable scope broad, the economic efficiency is high, market prospect good merit.

The invention discloses a water spray cooling method of a low-pressure exhaust hood of an air-cooling steam turbine. When an airscrew runs under a conventional back-pressure condition that the temperature of condensation water is lower than the temperature of exhaust steam, the exhaust steam in the low-pressure exhaust hood is sprayed with the condensation water; when the airscrew runs under a high back-pressure condition that the temperature of the condensation water is higher than the temperature of the exhaust steam, the condensation water is firstly cooled by exhaust water from an outlet of an lubricating oil cooler to lower the temperature of the condensation water, and then the exhaust steam in the low-pressure exhaust hood is sprayed with the condensation water of which the temperature is lowered.

The invention discloses a while-drilling casing pile side sectional high-pressure grouting system and method. The grouting system comprises a prestress concrete tube pile, an upper end socket plate, a lower end socket plate, a grouting tube, a reserved tube and a baffle control structure, wherein the upper end socket plate and the lower end socket plate are arranged at the two ends of the prestress concrete tube pile. The upper end socket plate and the adjacent lower end socket plate are connected in a welded mode, and the upper end socket plate and the lower end socket plate are provided with connecting grooves which are formed in the radial direction of the prestress concrete tube pile and stretch out of the outer wall. A plurality of sealing baffles are movably arranged at the circumferential edge of the upper end socket plate. The grouting tube is inserted into the reserved tube. The grouting tube is provided with a grout outlet communicated with the connecting grooves. A plurality of through holes are formed in each of the upper end socket plate and the lower end socket plate. By means of the while-drilling casing pile side sectional high-pressure grouting system and method, high-pressure grouting is achieved, grout can enter peripheral rock and soil more deeply in a seepage or compaction or separation mode, a pile body and the periphery rock and soil are bonded, the friction resistance on the pile side is remarkably increased, and the bearing performance of the while-drilling casing pile is further improved.

The invention discloses a continuous tube cable with a steel wire for load bearing. The continuous tube cable comprises a center steel wire rope, wherein at least two layers of copper conductors are arranged around the center steel wire rope; the centers of the copper conductors overlap with the axis of the center steel wire rope; a first waterproof insulating layer coats each copper conductor; a second waterproof insulating layer coats the axial outer side surfaces of the outermost layer of copper conductor; and a continuous oil tube sleeves the outer side surface of the second waterproof insulating layer. The steel wire for load bearing is arranged at the internal center position of a multi-core cable, the multi-core copper conductors surround the periphery of the steel wire rope, the steel wire has the characteristic of high strength due to the weight of the load-bearing cable with the center steel wire, and the ability of the cable for bearing a mechanical load is improved, so that a longer tube cable can be produced, meanwhile, the condition that the tube cable is not damaged due to coiling in the using process is ensured, the application range of the tube cable is improved, and meanwhile, the requirements on the internal cable are reduced.

The invention discloses a carbon fiber optical fiber load-bearing detection cable for an oil and gas exploration robot, comprising a stainless steel pipe and a bracket arranged in the stainless steelpipe, wherein a plurality of cavities are formed between the bracket and the stainless steel pipe, an optical fiber unit is arranged in the cavity, and a water blocking agent is filled in the cavity;A lay of aramid fiber, an inn layer of carbon fiber and an outer lay of carbon fiber are sequentially arranged outside that stainless steel pipe. The invention is provided with two layers of carbon fiber, there is no need to add a layer of armor to the outer layer, The invention replaces the traditional double-layer stainless steel armor layer, greatly reduces the weight of the whole cable, and greatly improves the load-bearing performance of the cable. The aramid fiber layer and the carbon fiber layer are combined to make the cable high-temperature resistant, corrosion resistant, light weight, tear-resistant, strong load-bearing capacity, long service life, and ensure the high-quality and stable oil and gas exploration work.

The invention relates to denitrifying low-NOx emission control process for a circulating fluidized bed boiler. The denitrifying low-NOx emission control process comprises the following steps that thearea of the evaporating heating surface in the boiler is increased, and the heat absorption capacity of the evaporating heating surface of a boiler furnace is changed; the size of hood small holes ofa wind-distribution plate is adjusted, and the size of slag discharging holes of the wind-distribution plate and the size of hood openings in the surrounding wall surfaces are increased; the inlet velocity and incident angle of an inlet flue of a cyclone separator are adjusted, the circulation area of a riser is adjusted according to the amount of fired coal of the boiler and the efficiency of thecyclone separator, the circulation area and the air volume of material-returning air of a material returning valve are adjusted, the flow rate of materials on the interface of a material returning system is controlled at 90-150kg/s through adjustment, the material circulation of the boiler is increased, and the burning temperature is reduced; and an appropriate amount of low-oxygen flue gas is extracted between a dust remover of the boiler and a draft fan and sent to a primary air inlet or a hot primary air outlet of an air pre-heater, the initial oxygen content of coal combustion is reduced,then the low-oxygen flue gas is fed into a primary air chamber at the bottom of the boiler, and the excess air coefficient of the primary air chamber at the bottom of the boiler is adjusted to be 0.4-0.8.

The invention discloses a cooling system with an energy storage function and an adjusting method thereof. The cooling system comprises a ventilation device, a heat medium distribution system, a heat dissipation system, a cooling medium collecting system and at least one medium storage tank and the like, wherein the medium distribution system comprises a plurality of water distribution branch pipelines, and the water distribution branch pipelines are connected with the heat dissipation system in parallel. The adjusting method is characterized in that in three seasons of spring, summer and autumn, the flow of a medium pump is increased as far as possible by utilizing relatively good cooling conditions at night, and the allowance of the cooling capacity of the system under the environment condition is fully utilized for cooling heat media, so that the medium temperature of the system is gradually reduced, then the temperature of media in the medium storage tank is gradually reduced, and the cold storage effect is achieved; and when the temperature of a low-temperature end of the heat dissipation system is too low, the flow of the medium pump is gradually increased, so that the heat dissipation system is heated by utilizing the media stored in the medium storage tank. The cooling system with the energy storage function and the adjusting method thereof have the advantages of being convenient to adjust, safe and reliable in system, high in average heat efficiency and the like.

The invention discloses a sleeping pad structure, which is economical and practical and is good for people to have a good health in sleep, and comprises a sleeping pad core plate formed by gluing a plurality of layers of polythene layers of different densities, wherein at least one external surface of the sleeping pad core plate is adhered with a sponge layer, and the sleeping pad core plate is provided with through holes connected with the internal surface of the sponge layer. The core part of the sleeping pad with the structure has good rigidity and certain elasticity, which is good for the health of the vertebra of human body; besides, the elasticity of the surface sponge layer can make people feel comfortable. Vent holes can ventilate air to radiate heat and eliminate wet steam. The sleeping pad structure is simply manufactured, convenient and practical, and is good for keeping body in good condition.

A scanning measuring device, in particular a laser scanner, profiler, total station or tracker, comprising at least a base for the placement of the device, a housing mounted on the base, a shaft mounted in the housing such that it can rotate about an axis of rotation and bearing a beam deflection unit in a rotationally fixed manner, a beam generating unit, which generates a transmitted beam which is transmitted into the environment by the beam deflection unit, a beam receiving unit, which receives a received beam reflected from the environment, a controllable positioning means which drives the shaft, wherein the shaft is supported by at least one pair of angular contact rolling bearings set in an O arrangement, and the angular contact rolling bearings are arranged on the shaft such that the rolling contact lines of the associated angular contact rolling bearings meet substantially on the axis of rotation.

The invention provides an engine mounting pad assembly. The assembly includes an upper installing plate assembly connected with an engine and a lower installing plate assembly connected to a vehicle frame. A rubber assembly is disposed between the upper installing plate assembly and the lower installing plate assembly. The rubber assembly includes a rubber body used for engine load and vibration reduction and a limit rubber block for limiting under extreme working conditions; the shore hardness of the rubber body is 40 degrees-60 degrees; and the shore hardness of the limit rubber block is more than 65 degrees. The engine mounting pad assembly has the advantages of a compact structure and effectively meeting requirements of support, limit and vibration isolation reduction.

The invention discloses a bridge automatic leveling combined vibration isolation rubber bearing, which includes a top plate with cylindrical protrusions arranged in sequence from top to bottom, an upper connecting plate with a cylindrical groove, a rubber bearing body and a lower connecting plate, wherein the top plate is connected with the upper structure of the bridge through an anchor bolt, theupper connecting plate is fixed on the top end of the rubber bearing body, the cylindrical protrusion of the top plate is matched with the cylindrical groove on the top surface of the upper connecting plate, and the cylindrical groove is coated with lubricating oil; the upper and lower ends of the rubber bearing body are respectively provided with an upper sealing plate and a lower sealing plate,and the bottom end of the lower connecting plate is connected with the lower structure of the bridge through an anchor bolt. The self-leveling composite isolation rubber bearing of the bridge can release the bending moment of the beam end caused by the deflection of the beam body, uniformly compress the rubber bearing, and effectively improve the bearing capacity under the limit load of the leadrubber bearing or the high damping rubber bearing; Reducing the local stress at the joint of bearing, pier and beam; the invention has the advantages of simple structure, convenient processing, convenient installation and maintenance.

The invention relates to a novel assembly type airport pavement system setting method which comprises a pavement soil foundation and a base layer laid on the pavement soil foundation, and geotechnical cloth and prefabricated pavement slabs are laid on the base layer. A pavement soil foundation and base layer top surface flatness precision control method, an assembly type pavement slab prefabrication factory production method, an assembly type pavement slab field assembly method, an assembly type pavement slab rapid automatic leveling method, an assembly type pavement slab joint method, an assembly type pavement slab grouting and void detection method and an assembly type pavement slab rapid replacement method are adopted. And accurate and rapid installation, replacement and maintenance of the overall structure of the airport pavement are realized. The system adapts to the requirement of future development of the airport, the mechanization and intelligence level of airport pavement construction is greatly improved, the building and repairing efficiency and convenience of the airport pavement are improved, and the objective requirements of airport first-aid repair, rush building and reconstruction and extension non-stop construction and pavement damage rapid repair are well met.

The invention discloses a dowel positioning bracket based on composite materials for cement concrete pavement, which comprises: two sets of dowel brackets arranged in parallel, each group of brackets includes two positioning main rods arranged in parallel, A number of door-shaped support legs are evenly connected between the two positioning main rods in parallel directions. The root of the support legs is provided with a circular hook claw, and the top cross bar of the support leg is centered with a detachable composite ring. The hook claw, the composite circular hook claw includes the lower half hook claw for connecting the support legs and the upper half hook claw for connecting the dowel bar. The invention has the advantages of low density, simple manufacturing process, detachable, convenient transportation, light weight, can be installed and formed on site, reduces construction difficulty, and speeds up construction progress. At the same time, it has good corrosion resistance and high temperature resistance, low heat and humidity shrinkage stress, and the unique structure further strengthens the stability of the dowel bar during use, effectively reducing the problem of misalignment when the dowel bar is installed.

The invention discloses an underground excavated spliced type underpinning structure on a lower part of an existing building base. The underground excavated spliced type underpinning structure comprises a rectangular steel pipe and a prefabricated part; shear pin keys are arranged on two opposite side walls extending along a length direction of the rectangular steel pipe; pin key grooves matched with the shear pin keys are formed on the prefabricated part; the prefabricated part is butt-jointed with the rectangular steel pipe through the shear pin keys and the pin key grooves; a horizontal prestress duct is formed in the rectangular steel pipe; a longitudinal prestress duct is formed on the prefabricated part; the horizontal prestress duct is penetrated through the prefabricated part; a horizonal prestress reinforcement is penetrated through the horizontal prestress duct; a longitudinal prestress reinforcement is penetrated through the longitudinal prestress duct; a grouting duct is formed on the prefabricated part. The invention also discloses a construction method for the underpinning structure. A method for combining the rectangular steel pipe with the prefabricated part is applied to the spliced type underpinning structure, so that onsite wet operation can be avoided, construction difficulty can be reduced and construction period can be shortened.

The invention discloses a direct air cooling combined type atomizing back pressure reducing device which comprises a steam turbine. A steam turbine low-pressure cylinder is arranged at the tail of the steam turbine and connected with a steam exhaust device, the steam exhaust device is divided into an upper steam exhaust device body and a lower steam exhaust device body through a separating plate, and the upper steam exhaust device body is connected with an air cooling island through a steam exhaust pipeline. Multiple pipeline atomization nozzles are arranged in the steam exhaust pipeline and connected with a desalted water pump through a pipeline atomization nozzle water supply pipeline, the desalted water pump is connected with a desalted water tank, and the steam exhaust pipeline is connected with the lower steam exhaust device body through a steam exhaust pipeline drain pipe. The direct air cooling combined type atomizing back pressure reducing device is little in equipment, simple in system, low in maintenance cost, low in operation difficulty and small in investment, can make full use of water resources and is suitable for being applied and popularized in direct air cooling power plants.

The invention discloses a quick bearing device for a high-pressure occasion, which comprises a base, a side pushing assembly, a sliding lower seat, a support, a sliding upper seat and a sliding supporting assembly, and the base is horizontally arranged; the sliding lower seat is horizontally arranged on the base in a sliding manner; the side pushing assembly is arranged on one side of the base and connected with the sliding lower base. The number of the supports is two, and the two supports are vertically arranged on the two sides of the base in parallel. The sliding upper seat is arranged between the two supports and connected to the supports in a sliding mode in the vertical direction. The sliding supporting assembly is arranged on the upper portion of the sliding lower base and the lower portion of the sliding upper base. The sliding supporting assembly is connected with the sliding lower base and the sliding upper base. When the sliding lower base slides horizontally, horizontal thrust is converted into jacking force through the sliding supporting assembly. Automatic jacking, supporting and limiting effects on the bottom die are achieved through transverse thrust, the high bearing function is achieved, the equipment structure is simplified, the bottom die replacement action is reduced, and the replacement efficiency is improved.

The invention provides an elastic foil dynamic pressure air floatation radial bearing, a motor and an air compressor, the elastic foil dynamic pressure air floatation radial bearing comprises a bearing seat, a top foil arranged in an inner hole of the bearing seat and a supporting foil supported between the inner hole of the bearing seat and the peripheral wall of the top foil, and the top foil is of a whole circle structure. According to the radial bearing, interference of the free end does not exist in the inner circle of the top foil of the bearing, the bearing area is increased, and therefore the bearing performance of the radial bearing can be improved, and the phenomenon of gas film end leakage at the free end of the top foil in the prior art is thoroughly eradicated.

The invention relates to a high-bearing gear bearing. The gear bearing comprises an outer ball rail, an inner ball rail and ceramic rolling parts. The ceramic rolling parts are located between a rolling way of the outer ball rail and a rolling way of the inner ball rail. Two annular oil seals are further included between the outer ball rail and the inner ball rail and are located on the two sidesof the multiple ceramic rolling parts correspondingly. The high-bearing gear bearing is characterized in that the rolling ways between the outer ball rail and the inner ball rail are of a dual rollingway structure, and the two rolling ways are spaced by 30 mm to 50 mm; and a gear portion is further arranged on the outer side face of the outer ball rail. According to the high-bearing gear bearing,the bearing and a gear are integrally designed, that is, the gear and the outer ring of the gear are designed into an integrated structure, the number of parts is effectively reduced, the mass is reduced, and meanwhile stability of power transmission can be improved. Meanwhile, the dual rolling way structure is adopted by the high-bearing gear bearing, the bearing performance of the bearing is greatly improved under the condition that the boundary dimension of the bearing is not increased, and the operating requirement of a wind power variable pitch bearing is met better.