44results about How to "Extend the life of the structure" patented technology

The present invention discloses a C100 high performance concrete, which is made of glue material, sand, stone, water and additive; the glue material comprises cement and mixture; the adding amount for the glue material is 500 to 600kg concrete per stere; thereinto, the cement is 42.5; the mixture comprises three components such as silicon powder, coal ash and scoria powder; the active SiO2, the mount of whch is 20 -40 percent of the total weight in the glue material, and the surface area of which is 1000-1200m2 / kg; is included in the glue material, the additive is polymer carboxyl acid with high-efficient dewater ability, the amount of which is 2 - 5 percent of the total glue material; The catalyzer is a mixture consisting of smoke ash and coal waste rock grain, the amount of which are 1-5 percent of the total weight in the glue material. The material does not need high-mark cement with simple produce process and low produce cost; the device can not only enhance the intension of the concrete, but also enhance the working performance and wear ability for the concrete.

The invention discloses a foundation pit supporting structure. The structure comprises a plurality of row piles which are uniformly arranged at intervals around the periphery of a foundation pit, andthe tops of the row piles are provided with sloping reinforcing regions; the sloping reinforcing regions comprise horizontal connecting sections, inclined pressing slope sections and slope top hardening sections, and the included angles between the inclined pressing slope sections and the horizontal plane are 40-45 degrees; and vertically arranged reinforcing piles located inside soil bodies are arranged below the inclined pressing slope sections, and the reinforcing piles are uniformly arranged at intervals around the periphery of the foundation pit and are all parallel to the row piles. According to the structure, the row piles and the sloping reinforcing regions are arranged, so that slopes of the foundation pit are well supported; meanwhile, the reinforcing piles are arranged to reinforce the soil bodies, so that the overall stability of the soil bodies in the sloping regions is improved; the sloping reinforcing regions are reasonably divided into three sections so that the side pressure of the soil bodies in the sloping regions to the row piles can be relieved; and the sloping reinforcing regions and the tops of the row piles are connected into wholes to form mutual supportingsystems, so that the overall stability is higher.

The invention discloses a temporary supporting device which comprises multiple sets of protection mechanisms. The multiple sets of protection mechanisms are detachably connected. Each protection mechanism comprises fixing frames, fixing shafts and rotating sleeves, wherein the rotating sleeves are movably connected with adjusting plates, the adjusting plates are movably connected with steel frames, a connecting bar is detachably connected between the adjacent steel frames, an adjusting strengthening mechanism is detachably installed in the space formed by the steel frames and the connecting bar and comprises a strengthening part and a lifting part, and a waterproof part is detachably connected to the bottoms of the steel frames. By means of the temporary supporting device, adjustment is flexible, in addition, demounting is convenient and fast, the construction time and cost are saved, the construction efficiency can be improved, the service life of a structure is prolonged, a waterproof effect is also achieved, and meanwhile stability and safety in the construction process can be ensured.

The invention relates to a roof deformation seam waterproof structure. The roof deformation seam waterproof structure comprises a roof; a deformation seam penetrating through the roof is formed in themiddle of the top face of the roof; an end cover with the cross section being capable of covering the cross section of the deformation seam is clamped in the position, corresponding to the top of thedeformation seam, of the roof; the position, close to the deformation seam, of the face, close to the roof, of the end cover is detachably connected with a limiting block arranged in the length direction of the deformation seam; the two sides of the limiting block are rotatably connected with clamping plates correspondingly, the clamping plates can rotate in the longitudinal section of the limiting block, and a limiting assembly used for controlling the positions of the clamping plates is arranged on the limiting block; water absorption grooves are formed in the positions, corresponding to the upper parts of the clamping plates, of the limiting block correspondingly, water absorption blocks are slidably connected into the water absorption grooves correspondingly, and the water absorptionblocks have the same length with the deformation seam; and when the clamping plates abut against the roof, the water absorption blocks abut against the top faces of the corresponding clamping plates correspondingly, and the water absorption blocks are made of water absorption resin. The roof deformation seam waterproof structure has the effect that the waterproof effect is maintained under the situation of rainwater erosion so as to prolong the service life of the structure.

The invention relates to a supporting structure for an auxiliary vertical roll, which has the advantages of good rigidity and long service life. The structure comprises two vertical rolls which are installed on two sliders, respectively, a screw mandrel is installed in each slider, the screw mandrel inside the slider positioned on the outer side passes through the slider positioned on the inner side, the screw mandrels are both in bolted connection with the wall slab, and the sliders are embedded in a track. The structure is characterized in that the track is arranged at the bottom of the case body of a frame, the two sides of the sliders are in sliding fit with the two side faces of the case body of the frame, respectively, and the wall slab is the end part of the case body of the frame.

The invention discloses an oil filter core integrated with a bypass valve and an oil drain valve. The oil filter core comprises a keel, end covers, an oil outlet hole joint, a bypass valve shell, a bypass valve core, and a bypass valve spring; a filter paper is wrapped on the keel, and an oil collecting channel is formed inside the filter paper; two ends of the keel are separately provided with anend cover; the oil outlet hole joint is arranged on one of the end covers, and one end of the oil outlet hole joint communicates with the oil collecting channel, and the other end is used for connecting with a main oil channel of an engine; the bypass valve shell is arranged on the other end cover, one end of the bypass valve shell communicates with the oil collecting channel, and the other end communicates with an internal cavity of the oil filter; and one end of the bypass valve spring is connected with the bypass valve shell, and the other end is connected with the bypass valve core. The oil filter core is simple in structure and can reduce the occupation of space, and can enable the connection between all components to be firm, thereby improving the reliability of protection of the engine.

The invention discloses a closed automatic flash point testing system, comprising: a bracket structure, which comprises a central axis and a plurality of connecting rods, the plurality of connecting rods are located on the same plane and radially distributed with the central axis as the center; The pattern detection cup is a cylindrical structure with a trapezoidal cross-section and an open upper end; the heating and thermal insulation device is a cavity structure with an opening on one side, and the heating and thermal insulation device includes a heating layer and a thermal insulation layer from the inside to the outside, and the thermal insulation layer includes A thermal insulation cover and a thermal insulation body, the outer side of the thermal insulation cover is connected with the power driving device; the power driving device includes two driving motors, one driving motor drives the rotation of the central shaft to drive the pattern detection cup to rotate, and the other driving motor drives the rotation of the pattern detection cup. The heat preservation cover moves vertically up and down. In the present invention, the heating device and the pattern detection cup are separably arranged, so that the heating and cooling processes are carried out separately, the work efficiency of the flash point detection is improved, the safety of the equipment is protected, and the later maintenance is also very convenient.

The invention discloses a thermal-insulation structure of an exterior wall of a building. The thermal-insulation structure of the exterior wall of the building comprises a wall body, wherein a buffering layer is arranged on the outer wall of the wall body; an aluminum foil layer is arranged on the other surface of the buffering layer; a reflective thermal-insulation layer coats the other surface of the aluminum foil layer; a protective layer coats the reflective thermal-insulation layer; and the buffering layer consists of elastic glue sticks and rock wool, namely a plurality of through holes are equidistantly formed in a rock wool plate, and the elastic glue sticks are inserted in the rock wool plate to form the buffering layer. The thermal-insulation structure of the exterior wall of the building is simple and reasonable, can meet construction conditions due to high mechanical property, has good impact resistance, and is obvious in thermal-insulation effect; different layers are connected to one another firmly, and circumstances of deformation, falling and the like are not easily caused; and flame-retardant and sound-insulation properties are excellent. The whole structure is simple in construction, short in period, relatively low in cost, long in service life and attractive in appearance, is used safely and reliably, and is suitable to be popularized and used in regions with abundant sunlight resources.

A C100 high-performance concrete, which is formed by mixing and gelling cementitious materials, sand, stone, water and admixtures. The cementitious materials include cement and admixtures. The amount of cementitious materials added per cubic meter of concrete 500-600kg, of which the cement is 42.5; the admixture has three components of silica fume, fly ash and slag powder, and contains active SiO2 in an amount of 20%-40% of the total weight of the cementitious material, and its specific surface area 1000-1200m2 / kg; the admixture is polycarboxylate high-efficiency water reducer with a dosage of 2% to 5% of the total weight of the cementitious material; the activator is soot and coal with a dosage of 1 to 5% of the total weight of the cementitious material A mixture of gangue fine powder. No special raw materials such as high-grade cement are needed, the production process is simple, and the manufacturing cost is low. While greatly improving the strength of concrete, it also improves the workability and durability of concrete.

The invention discloses a structurally stable assembly distributing substation. The substation comprises wall panels, a corner connecting device and a door, the wall panels are spliced into a box structure through the corner connecting device, and the door is arranged on the wall panel of one side. According to the substation, the wall panels and a L-type connecting plate are cooperatively fixed through a fixing bolt and a fixing block, and the wall panels are fixed; the wall panels and the L-type connecting plate are firmly connected by the cooperation of a T-type fixing member, the fixing bolt and the fixing block, the structural stability is improved, and the service life of a structure is prolonged.

Provided is a thickened frame type ballastless track plate. The track plate comprises a base plate, bosses and track bearing tables. The base plate is of a cuboid, the two bosses are symmetrically arranged on one face of the base plate along the axis of the cuboid in the length direction, and the track bearing tables are evenly distributed in the length direction of the upper surfaces of the bosses. A through hole is formed in the base plate and is located between the two bosses symmetrically arranged on the base plate, and a frame structure connected between the two bosses through a transverse reinforcement concrete structure is formed. The thickened frame type ballastless track plate can effectively reduce track plate warping caused by temperature stress, eliminate a pull cracking phenomenon, and enhance running safety and comfort. The thickened frame type ballastless track plate is reasonable in structural stress, light, high in structural strength and capable of effectively improving the stress condition of a sleeper structural system, prolonging the service life of the structure and optimizing rack circuit parameters, improves the circuit transmission characteristic of a resonant track, can be directly and effectively connected with a current high-speed railway CRTS-I ballastless track plate, and is suitable for industrial production.

The invention discloses a vacuum oxygen-free heating furnace. The vacuum oxygen-free heating furnace is characterized in that the vacuum oxygen-free heating furnace comprises a hot zone, a first opening and closing mechanism, a second opening and closing mechanism and a conveying mechanism. The first opening and closing mechanism is arranged between the hot zone and a cold zone. The conveying mechanism is used for conveying a workpiece between the cold zone and the hot zone when the first opening and closing mechanism is in an open state. The second opening and closing mechanism is arranged onthe cold zone, and is in a closed state when the first opening and closing mechanism is in an open state. The hot zone and the cold zone are correspondingly provided with a pressure adjusting systemcapable of enabling the hot zone and the cold zone to be in a vacuum oxygen-free environment. The vacuum oxygen-free heating furnace ensures that a material sheet is in a vacuum oxygen-free environment in the heating process, oxide coatings are prevented from being generated during bare plate forming, a mold is protected against wear and drawing, and the service life of the mold is prolonged; andmeanwhile, an original shot blasting process is omitted, the production cycle is shortened, the cost is saved, and the bare plate part quality is improved.

The invention discloses a red mud base cement concrete pavement composite pavement structure, which belongs to the field of road engineering and resource utilization of industrial waste. The pavement structure includes cement concrete surface layer mixed with red mud, asphalt mortar bonding layer, red mud base layer and red mud subbase layer, cement concrete surface layer mixed with red mud, asphalt mortar bonding layer, red mud The base course and the red mud sub-base course are laid on the soil foundation from top to bottom. The invention makes full use of the complementary advantages of red mud modified base material and cement concrete material stiffness, forms a new cement concrete pavement structure through reasonable structure combination, realizes the application of industrial waste red mud in the base layer and surface layer of concrete pavement, and improves the The uniformity of the stiffness of the base layer of the cement concrete pavement prevents the occurrence of diseases such as broken boards and pumping, and improves the structural service life of the cement concrete pavement while realizing the resource utilization of red mud from industrial waste.