40results about How to "Increase lateral resistance" patented technology

The present invention provides an exercise machine for developing the chest muscles while maintaining correct biomechanical posture and joint movement for the user, thereby maximizing efficiency and safety. The present invention includes a track in which two handles independently slide. The handles are interconnected to either an end bridge or a middle bridge by one or more tensioning elements that are configured to provide gradual and progressively increased resistance as a distance between the interconnected components increases.

The invention relates to a novel sleeper system, and belongs to the field of railway tracks. The novel sleeper system comprises a longitudinal beam type sleeper and an elastic vibration reduction track system, wherein the longitudinal beam type sleeper is formed by connecting longitudinal beam type sleeper units one by one in series; each two adjacent longitudinal beams of the longitudinal beam type sleeper are fixedly connected with each other in the lateral direction through a connecting piece; the opposite longitudinal beam end parts of each two adjacent longitudinal beam type sleeper units are connected with each other through a sleeper connecting piece; the elastic vibration reduction track system comprises a support saddle; the longitudinal beam type sleeper is mounted on the support saddle; and a vibration reduction facility is arranged between the bottom of the longitudinal beam type sleeper and the support saddle. The novel sleeper system has the advantages that due to the longitudinal sleeper, the bending rigidity of a track is enhanced, and deformation of the track caused by repeated load is reduced; as the lateral resistance of the longitudinal beams is enlarged, the irregularity in the vertical direction of the track is reduced, and the maintenance is reduced; and as the longitudinal beams are connected with each other in the longitudinal direction, the settlement of the track at the end parts of the longitudinal beams is provided from being enlarged or damaged easily; and as rail pads are arranged continuously, foundation shake, rolling noise and wave-like deformation of the track are reduced.

The invention is a cold formed, steel metal C-shaped structural member having an elongated web member with novel opposing angular intervening web extensions with variable exaggerated bends and extending laterally to opposing perpendicular flange members and extending to opposing end stiffening lips parallel to the center web member at the cross sectional ends.

A steel structure cage for marine crustacean aquaculture and integration thereof into a vertical fish-crustacean aquaculture system are disclosed. The steel structure cage includes a steel frame, top, side and bottom net systems, a ballast tank system, and steel grooves. The steel frame includes internal and external steel frames. The steel grooves are fixed on upper and lower ends of the internal steel frame. Edges of the top and bottom net systems are respectively fixed into the corresponding steel grooves. The side net is welded on the internal steel frame. The ballast tank system is arranged between the internal and external steel frames. A HDPE cage is moored to the steel structure cage to form a vertical aquaculture system. Whereby, an ideal culturing environment for marine crustaceans is given and the objective of vertical aquaculture “culturing fish at top water layers and culturing prawns (crabs or cowries) at bottom water layers” can be fulfilled.

A semiconductor device is disclosed which has a high voltage isolation structure that is a RESURF structure, wherein it is possible to reduce a displacement current generated by dV/dt noise, and a method of manufacturing the semiconductor device. It is possible to increase a lateral resistance without changing the total amount of electric charges in the uppermost surface p-type diffusion layer by using an uppermost surface p-type diffusion layer configuring a double-RESURF structure being formed so that high concentration regions with a deep diffusion depth and low concentration regions with a shallow diffusion depth are alternately arranged adjacent to each other. As a result, it is possible to reduce a displacement current generated by dV/dt noise.

The invention provides an elastic base plate of a railway concrete sleeper bottom. The elastic base plate is arranged between the railway concrete sleeper bottom and a ballast and comprises an elasticbase plate base body, a bulge structure and a rivet structure; the elastic base plate base body, the bulge structure and the rivet structure are integrally connected; the bulge structure is arrangedat one side of the elastic base plate base body and is in contact with the ballast; the rivet structure is arranged at the other side of the elastic base plate base body and is connected with the railway concrete sleeper bottom. The elastic base plate of the railway concrete sleeper bottom, provided by the invention, is simple in structure and convenient and rapid to mount; enough ballast bed transverse resistance can be provided and the damage speed of a ballast bed is effectively reduced.

The invention provides a safe and steady railway sleeper. The safe and steady railway sleeper comprises a body and resistance blocks, and the resistance blocks are arranged on the side face of the body. The railway sleeper comprises the resistance blocks, when the railway sleeper is laid in a ballast bed, the resistance blocks can increase the transverse resistance formed between the railway sleeper and the ballast bed, then track line transversal displacement caused by transversal displacement of the railway sleeper is avoided, and safe and steady running of a train is guaranteed.

The invention discloses a squeeze-expansion type steel pipe pile, comprising a pipe pile main body, wherein the pipe pile main body is provided with an upper pipe orifice and a lower pipe orifice, thelower pipe orifice is provided with a sealing plate, and the side wall of the pipe pile main body is provided with a plurality of squeeze-expansion hole groups from bottom to top, and each squeeze-expansion hole group comprises a squeeze-expansion hole I and a squeeze-expansion hole II; the number of squeeze-expansion assemblies is the same as that of the squeeze-expansion hole groups, each squeeze-expansion assembly comprises a squeeze-expansion bottom plate, two sides of each squeeze-expansion bottom plate are respectively provided with a squeeze-expansion side plate, each squeeze-expansionside plate is provided with a load top plate, and comprises a first fixed plate, a first movable plate, a second movable plate and a second fixed plate which are hinged to each other from bottom to top, the first fixed plates are fixedly connected with the squeeze-expansion bottom plates, and the second fixed plates are fixedly connected with the load top plate; when the load top plate is close to the squeeze-expansion bottom plate, the first movable plates and the second movable plates are rotated to form forming corner parts bulging outward, and the forming corner parts respectively extendout of the squeeze-expansion hole I and squeeze-expansion hole II. The steel pipe pile has the characteristics of great lateral resistance and strong carrying capacity.

The invention relates to a novel sleeper system in the field of railway tracks. The sleeper system comprises a longitudinal beam type sleeper and an elastic vibration attenuation rail system. The longitudinal beam type sleeper is formed by cascading longitudinal beam type sleeper units. Longitudinal beams of the longitudinal beam type sleeper are transversely and fixedly connected together through connecting pieces; the ends of the opposite longitudinal beams of the adjacent longitudinal beam type sleeper units are connected through sleeper connecting pieces. The elastic vibration attenuation rail system comprises a support; the longitudinal beam type sleeper is arranged on the support; a vibration attenuation facility is arranged between the bottom of the longitudinal beam type sleeper and the support; according to the longitudinal type sleeper, the bending rigidity of the rail is increased, and rail deformation caused by repeated loads is reduced; due to the fact that the longitudinal beams increase transverse resistance and irregularity of a perpendicular rail is reduced, the maintenance workloads are reduced. Due to the fact that connection of the continuous longitudinal beams is kept in the longitudinal direction, the phenomena that the rail settling volume of the ends of the longitudinal beams is too large, and consequently the longitudinal beams are prone to being damaged are avoided. Rail pads are continuously arranged, and therefore foundation vibration, rolling noise and rail wavy deformation are reduced.

The invention provides reclaimed rubber and a tire made thereof. The reclaimed rubber comprises the following materials: waste tire rubber powder, glass fibers, nylon fibers, acrylic polyurethane, polyamide, styrenated phenol, 3-diphenylguanidine, polystyrene resin, an epoxy resin composition, abietic acid, rosin anhydride, carbon black, aromatic disulfide and zinc salt. The tire made of the reclaimed rubber comprises a tire body; the tire body comprises two tire side surfaces and a tire peripheral surface positioned between the two tire side surfaces; air guide blocks are distributed on at least one tire side surface, and an air guide groove is formed between the two adjacent air guide blocks; multi-ring brake pattern blocks are arranged on the tire peripheral surface and are symmetrically arranged about a center line of the tire peripheral surface, a flow guide groove is formed between the two adjacent brake pattern blocks on the same ring, and the air guide groove is connected with the flow guide groove. The reclaimed rubber provided by the invention is high in mechanical strength, strong in elasticity, aging-resistant, cold-resistant, high temperature-resistant and strong in braking performance and driving performance, and meanwhile, the energy consumption is reduced.

The invention provides a combined composite sleeper structure and method based on a steel structure framework. The composite sleeper device of a composite structure comprises a steel structure and twocomposite sleepers (based on waste tires or plastic), and the steel structure is connected with ends of the composite sleepers (based on waste tires or plastic) through clamping plates and then connected through bolts or rivets. The novel composite material sleeper structure is produced by using renewable plastic, waste tires or polyurethane materials and a steel structure, and the structure hasexcellent mechanical properties. Requirements for sleeper effects in ballasted track structures are met, and defects of sleepers in the forms of existing wooden sleepers, concrete sleepers, compositesleepers and the like are overcome. The main advantages are that an elastic composite material rail bearing platform is adopted; elasticity is good; vibration damping performance and insulation performance are good too; and a bending moment and breaking resistance capacity in the sleeper are improved, and sleeper transverse crack diseases caused by a negative bending moment are avoided. And the reliability, the safety and the availability of the composite sleeper are enhanced.

The invention provides a profile steel outer arrangement and rear inserting type dual-row pile foundation pit supporting system. The system comprises a crown beam, a supporting body composed of multiple supporting piles and a waterproof curtain composed of multiple stirring piles. Especially, the system comprises a waist beam and supporting columns. The waist beam is arranged on the side of the waterproof curtain and above the crown beam. The supporting columns are vertically arranged at the tops every other one to three supporting piles. The lower portions of the supporting columns are inserted into the crown beam and the supporting piles in a penetrating manner, a top seat connected with the waist beam is arranged at the top of each supporting column, transverse tie bars are welded to the upper ends of the supporting columns and connected to a waist beam steel bar or penetrate the waist beam to be planted in the stirring piles. A construction method of the foundation pit supporting system is provided. The construction method comprises the steps that firstly, after construction of the waterproof curtain, earth excavation is carried out for the first time; secondly, the supporting piles are constructed, and after concrete pouring of the supporting piles is completed, the supporting columns are constructed immediately; thirdly, the waist beam and the top seats of the supporting columns are constructed; and fourthly, the crown beam is constructed after earth excavation of the second time, and construction is completed. According to the system, the problem of the potential safety hazard that an overhanging part of the foundation pit supporting system is prone to suffering from lateral collapsing before earthwork backfilling is effectively avoided.

The present invention relates to a railroad tie, and to a mold for manufacturing same. More particularly, the present invention relates to an H-shaped railroad tie produced from prestressed concrete (PC) and reinforced concrete (RC), wherein a railway ballast resistant board is installed at the center of the railroad tie, a rail support is formed into a flat form, and a rail is installed in parallel to each rail support to prevent the deviation of the railroad track. The railroad tie of the present invention has an enhanced shape and structure for reinforcing rail tracks to remarkably improve train operating safety.

The invention relates to a large-resistance three-line gauntleted track railway sleeper for automatically monitoring train state. The railway sleeper is mainly aiming at the safety problem of patrol personnel and the effect problem of manual patrol. The railway sleeper comprises a fixed sleeper, a moving sleeper and a connecting assembly; the fixed sleeper comprises a long bar, the fixed sleeper is characterized in that a first convex limiting block is arranged at the front end of the long bar, a second convex limiting block and a third convex limiting block are arranged at the rear end of thelong bar, and a connecting groove matched with the first convex limiting block is formed between the second convex limiting block and the third convex limiting block; and a first front connecting shaft is arranged in the first convex limiting block, and rear second connecting shafts are arranged in the second convex limiting block and the third convex limiting block. According to the large-resistance three-line gauntleted track railway sleeper for automatically monitoring the train state, through audio collection and comparison, real-time data are collected to compare audio files and analyzeproblem road sections, so that the manual patrol mode is assisted or replaced, the false alarm condition can be effectively reduced, and the reliability and the stability of the equipment are improved.