14743 results about "Flange" patented technology

Provided is a high-strength steel sheet having excellent member strength, ductility, stretch flangeability, bendability of a shear end surface, and low-temperature toughness. A high-strength steel sheet having a prescribed component composition and a steel structure in which the area ratio of martensite is 10%-80%, the area ratio of bainite is 2%-70%, the area ratio of ferrite is 80% or less, and the area ratio of retained austenite is 15% or less at a position at 1 / 4 of the sheet thickness. The ratio of the number of martensite blocks in which metastable carbides are present relative to the number of martensite blocks is 2% or more, and the standard deviation [sigma] n of the nano-hardness relative to the average value [Hn] ave of the nano-hardness is 0.60 x [Hn] ave or less when the nano-hardness at 225 points or more is measured at a position of 1 / 4 of the sheet thickness.

A rail assembly includes a rail and an adapter. The adapter may be slidably interconnected with the rail via a first rail channel on a first rail side of the rail, and may also be slidably interconnected with the rail via a second rail channel on a second rail side of the rail. The adapter may be inverted (whether installed via the first rail channel or the second rail channel) between two different orientations that dispose a mounting flange at different elevations to accommodate two different mounting configurations.

Apparatuses for clamping rails and methods for rail installation are provided. A clamp apparatus may include a first grip body that includes a first groove and a second grip body that includes a second groove. Alignment of the first groove and the second groove may form a groove pair configured to couple to one or more flanges of a rail. The clamp apparatus may further include a fastener, as well as a flange spring that extends from the first grip body and that flexibly engages with the second grip body. Flexing the flange spring may allow the first grip body to move away from the second grip body along a length of the fastener.

The invention belongs to the technical field of cable installation, and particularly relates to a cable suspension damping rack in a tunnel, the cable suspension damping rack comprises a suspension assembly and a clamping assembly, the suspension assembly comprises a flange device and a suspension device, and the clamping assembly comprises an adjusting device and a clamping device; the flange device comprises a flange plate and a fixed anchor rod arranged on the flange plate; the suspension device comprises a T-shaped mounting rod and a connecting rod; an adjusting groove is formed in the upper portion of the T-shaped mounting rod in a penetrating mode, the connecting rod is inserted into the adjusting groove, mounting pieces are symmetrically arranged at the two ends of the connecting rod, mounting piece bodies are L-shaped, and nuts are mounted at the bottoms of the mounting pieces; an extrusion spring column is arranged above the adjusting groove, and the bottom end of the extrusion spring column is mounted on the connecting rod; according to the scheme, the cable suspension damping rack in the tunnel is efficient in damping, convenient to install, stable and durable; vibration energy, including longitudinal displacement, transverse shaking and high-frequency resonance, in the tunnel can be effectively absorbed through a multi-stage composite damping structure of the extrusion spring columns, the corrugated pads and the filling rubber.

The invention discloses a downward pressing type L-shaped wind power flange ring rolling device and a using method thereof.The device comprises a bearing frame and a ring rolling mechanism, and the ring rolling mechanism is arranged on the bearing frame; the ring rolling mechanism comprises a driving piece installed on the bearing frame, a lower ring rolling piece, a ring expanding piece and an upper ring rolling piece, wherein the lower ring rolling piece and the ring expanding piece are installed on the driving piece in a sliding mode, and the upper ring rolling piece is coaxially arranged above the lower ring rolling piece. The ring rolling device is provided with the ring rolling mechanism, the lower ring rolling piece and the ring expanding piece are driven by the first motor to move in different directions, an upper pressing roller and a lower pressing roller are gradually and tightly combined in cooperation with a tight combining piece to roll the ring blank while the ring blank is subjected to expanding machining, and the ring blank is machined into the needed size. The machining time is shortened, the machining efficiency is improved, and the device is compact in structure and not prone to faults.

The invention provides an ovality dynamic detection device for a wind power flange, and relates to the technical field of wind power flange detection, the ovality dynamic detection device comprises a detection flange piece, and the detection flange piece is provided with a sealing detection piece; the sealing detection piece is in pipe connection with a pressing device, and the pressing device is installed in the detection flange piece; the sealing detection piece is used for testing and detecting the sealing performance of the flange piece, can assist in detecting the clearance precision of the flange, and avoids the situation that after long-time use, the bearing flange is abraded, and bolt looseness is not found, and consequently ovality is increased. The structure use safety can be effectively improved, and the problems that an existing flange ovality dynamic detection device is inconvenient to test the clearance between the bearing flanges, and the flange deformation error is gradually increased along with the increase of the service cycle are solved.

A method for rapid and safe construction and intelligent monitoring and controlling of continuous arch bridges, which using a single-arch rib construction method, when installing a new arch rib segment, the clasp cable is immediately extended, and then using an intelligent control cable to ensure that the pier and anchorage tower are in a balanced state. The newly installed segment is no longer in a cantilever state, and the loading on the flange is very small, resulting in a small change in the tension force for the clasp cables of the previous segments. The present invention saves more than half of the clasp cable usage, reduces the number of transverse movements of the cable crane system, and significantly shortens the construction period. The construction method which using intelligent control cables to balance the unbalance loading on the middle pier, could be applied to the construction of continuous arch bridges.

A drain assembly includes a drain body, barrel, plug, and sleeve. The drain body has an interior surface defining a channel along an axis and having interior threads thereon. The barrel has a central body having an upper end, with a flange extending radially outward therefrom and defining a landing surface. The central body has opposed exterior and interior barrel surfaces having exterior and interior threads, respectively. The interior barrel surface defines a channel alignable with the axis. The exterior threads are engageable with the drain body interior threads for axially adjusting the barrel relative to the drain body. The plug has a top surface and an outer body extending axially downward to a stop surface. An inner portion of the outer body extends axially below the stop surface and has external threads engageable with the barrel interior threads. The sleeve is sealingly receivable between the stop and landing surfaces.

The invention discloses an underwater explosion impact equivalent loading test device and method, and belongs to the technical field of dynamic impact test mechanics, the underwater explosion impact equivalent loading test device comprises a light gas gun system, a combined water shock tube system and a measurement control system, the light gas gun system is a shock wave load loading system of a water shock tube, and the combined water shock tube system is connected with the measurement control system. Comprising a piston, a working table support, a steel pipe, a pressure sensor, a connecting flange, a connecting assembly, a transparent pipe, a double-thread screw assembly, a front panel, a test sample, a rear panel, a working table fixing support and a working table top, and a measurement control system comprises a light gas gun pressurization and emission controller, a high-speed acquisition instrument, a first high-speed camera and a second high-speed camera. The underwater explosion impact equivalent loading test device and the underwater explosion impact equivalent loading test method are compact in structure, convenient to use and suitable for researching underwater dynamic impact protection performance and fluid-solid coupling mechanism of materials or structures in laboratories.

The invention discloses a multi-dimensional train derailment monitoring method based on vision and vibration, and belongs to the field of rail transit, the method comprises the following steps: respectively collecting a wheel-rail contact area image and vibration data of each wheel in different directions, and carrying out space-time alignment on the wheel-rail contact area image and the vibration data; combining an edge detection algorithm and a Hough transform technology to extract visual features from the wheel-rail contact area image, extracting vibration features from the vibration data, and associating the visual features with the vibration features to generate a wheel flange transverse position-vibration feature mapping table; and establishing a D-S evidence theory fusion model based on the wheel flange transverse position-vibration feature mapping table, fusing the visual features and the vibration features by using the D-S evidence theory fusion model, and judging the train derailment risk according to a feature fusion result. According to the invention, deep coupling analysis of visual images and vibration data is realized, and the defects that the prior art cannot adapt to working condition changes, false alarms are easily generated and operation is affected are overcome.

1. Name of the designed product: flange. 2. Use of the designed product: used in hydraulic pump or motor of construction machinery, etc. 3. Design points of the designed product: in shape. 4. Picture or photo showing the design points: design 1, perspective view 1. 5. Design 1 is specified as the basic design.

A trench drain includes a trench, a grating seat and a grating hingedly connected to the trench. The trench has a base wall with peripheral side walls extending upwardly therefrom and an outwardly-extending peripheral flange. The grating seat is configured to receive the grating. The peripheral side walls of the trench have a pair of opposing elongated slots formed therein and the grating has a pair of posts on opposing ends thereof. Each of the pair of posts on the grating are received in a respective one of the pair of opposing elongated slots of the trench to establish an axis of rotation.

A luggage caster for maintenance and replacement includes a wheel frame, a vertical shaft, and trolley wheels in a clearance fit with the wheel frame. The vertical shaft is configured to rotate axially within a vertical shaft hole of the wheel frame. a bottom end of the vertical shaft defines a riveting hole for forming a riveting flange. A top end of the vertical shaft is provided with a limiting plate that cooperates with the riveting flange to achieve an axial limitation of the vertical shaft in the vertical shaft hole. The top end of the vertical shaft is further provided with an installation head that protrudes from the limiting plate. The installation head is configured to insert into a shaft hole of a luggage bottom support. The riveting hole of the vertical shaft extends axially along the vertical shaft to define an anti-rotation tool hole.

A folding tonneau cover apparatus including a cover assembly and a support frame assembly. The cover assembly having a plurality of rigid panels interconnected in series by a series of flexible hinges. Elongated support members having hinge support flanges help to secure the flexible hinges to the rigid panels. In preferred embodiments, the support flanges of the elongated support members cooperate with the underside of the respective rigid panels to which the support members are secured, to form a partial enclosure within which a side portion of the respective flexible hinge is secured. The cover assembly is secured to the support frame assembly to cover a cargo box of a pickup truck by a plurality of locking members when the support frame assembly is secured to sidewalls of the cargo box. Methods of making a tonneau cover apparatus and methods of folding and unfolding the cover assembly are also disclosed.

Fluid runoff systems, methods, and apparatus for processing fluid runoff are provided. In one implementation, a base plate for receiving an inlet casting at a drain basin may be provided. The base plate may include a flat surface with an aperture and an outside edge surrounding the flat surface; a raised lip may surround the outside edge and a flange may extend in a horizontal direction away from the raised lip. The flange may define a flat surface for an inlet casting. The base plate may further include one or more sets of tabs located on the underside of the plate. In another implementation, a fluid runoff system may comprise an inlet casting, a base plate, a drain basin, and a pipe. The base plate may include one or more sets of tabs for connecting with the drain basin.

The invention relates to a feeding device and a hub bearing assembly line, the feeding device comprises a rack, a plurality of feeding conveying belts, a conveying conveying belt, a pushing mechanism, an adjusting mechanism and a position detecting mechanism, the feeding conveying belts and the conveying conveying belt are rotationally arranged on the rack, and the feeding conveying belts convey flanges to the feeding end of the conveying conveying belt; the pushing mechanism is used for pushing the flange to the conveying belt, the position detection mechanism is used for detecting the position of the flange on the conveying belt, and the adjusting mechanism is used for adjusting the pushing distance of the pushing mechanism according to the detection result of the position detection mechanism. When hub bearings of new types are switched to be assembled, a set of flange plates are pushed to the conveying belt through the pushing mechanism, the positions of the flange plates are detected through the position detection mechanism, then the positions of the pushing mechanism are adjusted through the adjusting mechanism, and the flange plates are located in the middle of the conveying belt after the flange plates are pushed by the pushing mechanism. And the adjustment precision is high while the adjustment is rapid.

A bottom bracket made with a box at its center and a flange on opposing sides. Over each flange, on the side of the box, are two equal, opposing through-holes. Each flange is drilled with holes to allow the bracket to be bolted to a roof rack rail. A top bracket made in a box shape with an open bottom to fit over the box-shaped bottom bracket and with the top of the top bracket fabricated to accept two bolts that will screw into an adapter fitted into a rail slot on the underside of a roof-top tent. The top bracket also has two opposing through-holes matching the through-holes on the sides of the bottom bracket. The top and bottom brackets held together by a locking quick-release pin inserted through the through-hole on the sides of the top and bottom brackets.

The utility model relates to the technical field of flange machining, and discloses a tool clamp for flange machining, which comprises a base, a first servo motor is arranged in the middle of one side in the base, two driving wheels are sleeved outside the output end of the first servo motor, and transmission belts are sleeved outside the two driving wheels. When the clamp is used, a second threaded rod is driven to rotate through an arranged third servo motor, so that first fixing blocks at the upper end of a movable plate can move and abut against the inner wall of a flange at uniform intervals, and meanwhile, second fixing blocks are driven to move and press the outer wall of the flange at uniform intervals through an electric telescopic rod at the upper end of the movable plate; therefore, the inner wall and the outer wall of the flange can be effectively supported and fixed, deviation and errors in the machining process are reduced, the stability in the machining process is improved, the risks of position deviation and shaking are reduced, and then the machining precision and the product quality are improved.

According to the pier-side supporting leg moving and transporting method based on cooperative work of the moving trolley and the transporting trolley, connection of a pier-side supporting leg at the position of a bridge pier on the rear side is relieved, a jacking oil cylinder of a hooking mechanism on the upper portion of the moving trolley contracts, the pier-side supporting leg is lifted, then the transporting trolley is moved to the outer side of the pier-side supporting leg, and the pier-side supporting leg is moved to the rear side of the transporting trolley. A transverse moving driving mechanism of the shifting trolley drives the pier-side supporting leg to transversely move outwards, so that a top flange of the pier-side supporting leg is inserted into a bottom hooking mechanism of the conveying trolley, and the conveying trolley rotates the pier-side supporting leg by 90 degrees to enable the pier-side supporting leg to be longitudinally arranged; then the conveying trolley walks to the position of the next pier on the front side, the pier-side supporting legs are transversely arranged, and the top flanges of the pier-side supporting legs are connected with a hooking mechanism on the lower portion of the shifting trolley in a hooking mode; and then, a transverse moving driving mechanism of the shifting trolley drives the pier-side supporting leg to transversely move inwards to a designated position along the lower hooking mechanism, so that moving of the pier-side supporting leg is completed.

The invention discloses a steel bar modular prefabricated box girder and a construction method. A steel bar framework is disassembled into a flange three-dimensional steel bar module, a top plate three-dimensional steel bar module, a web three-dimensional steel bar module and a bottom plate three-dimensional steel bar module; each reinforcing steel bar module forms a closed reinforcing steel bar cage structure matched with a flange, a top plate, a web plate and a bottom plate of the prefabricated box girder, a reinforcing steel bar framework with the large overall size is disassembled into the small reinforcing steel bar modules, construction and installation are convenient, each reinforcing steel bar module forms reinforcing steel bars in the corresponding area, hoisting and placing of the reinforcing steel bars and meshes one by one are not needed, and the construction cost is reduced. And meanwhile, the steel bar modules are connected through the local reinforcing steel bar modules, and the construction quality can be effectively improved.

A first member (110) of an automotive structural member (1) has a flange portion (111), a first member ridgeline portion (112) connected to the flange portion (111), a protruding portion (113) having a top surface (113a) which is connected to, the first member ridgeline portion (112) and is aligned with a top surface (111a) of the flange portion (111) at the same level (L), and a recessed portion (114) adjacent to the protruding portion (113). A second member (120) has a second member ridgeline portion (121) having an upper surface (121a) in contact with a lower surface (112b) along the lower surface (112b) of the first member ridgeline portion (112), a vertical wall (122) connected to the second, member ridgeline portion (121), and a bottom wall (123) connected to the vertical wall (122). A stiffening member (200) supports the recessed portion (114).

The invention relates to a wall type-double column combined pier structure system, and belongs to the technical field of bridge engineering. The structure system mainly comprises a cover beam, a swinging pier, a replaceable corrugated steel web wall, a pier bottom energy dissipation device, a swinging steel base, a bearing platform, an unbonded prestressed tendon and the like. A pier bottom energy dissipation device is arranged on the lower portion of the swing pier and composed of energy dissipation steel bars, an outer wrapping steel plate, a bottom steel plate and fixing lug plates. A replaceable corrugated steel web wall is arranged between two piers, and an upper flange plate is directly installed on a cover beam through embedded high-strength bolts and fixed to a bearing platform through a swing steel base. Unbonded prestressed reinforcements penetrate through the center positions of the swinging bridge piers. According to the structural system, a collaborative energy consumption-graded swing mechanism of'corrugated steel web wall deformation energy consumption-corrugated steel web wall swing-pier swing and energy consumption 'is formed under the earthquake action, earthquake energy can be dissipated more effectively, structural residual deformation is reduced, and the structural shock resistance and function restorability are improved.

A compact lever mechanism for assisting in removing and inserting a sled in a chassis is disclosed. The lever mechanism has a longitudinal lever member. A spur gear having gear teeth is coupled to one end of the longitudinal lever member. An ejector component is rotatably connected to the sled. The ejector component has a frame defined by an internal gear support, a first support arm, and a second support arm. The spur gear is positioned within the frame and engages the internal gear support to rotate the ejector component. The first support arm includes a tab engaging a flange of the chassis to apply force to remove the sled from the chassis when rotated in a first direction. The second support arm includes a second tab engaging a cutout in the chassis to apply force to insert the sled in the chassis when rotated in a second direction.

The utility model relates to the field of clamps, and discloses a positioning device for flange joint welding processing, which comprises an operating table and a three-jaw chuck, the three-jaw chuck comprises jaws, the operating table is a square frame, the upper part and the lower part of the operating table are flat plates, the top of the operating table is fixedly connected with the bottom of a plane bearing, and the plane bearing is fixedly connected with the operating table. The upper portion of the plane bearing is fixedly connected with the bottom of a three-jaw chuck, the top of the operation table is rotationally connected with the three-jaw chuck through the plane bearing, the outer wall of the three-jaw chuck is fixedly connected with four fixing blocks, the four fixing blocks are evenly distributed on the outer wall of the three-jaw chuck, pressing plates are arranged on the tops of the fixing blocks, and adjusting holes are formed in the pressing plates. The top of the fixing block is in threaded connection with a pressing stud. According to the utility model, the three-jaw chuck and the pressing stud are matched with the pressing plate, so that the steel pipe and the flange can be stably fixed, and the position of the pressing plate can be adjusted according to the flanges with different sizes, so that the fixture is suitable for welding the steel pipes and the flanges with various specifications.

A joint structure of an automobile frame member comprises a first member and a second member. The first member includes a top plate, two vertical walls, two first ridgeline portions, and a continuous flange. The second member includes a first wall surface facing an axial end portion of the first member, a second wall surface extended from the first wall surface to the other side from the first member side, and a second ridgeline portion sandwiched between the first wall surface and the second wall surface. The continuous flange has an interval h, between the second ridgeline portion and the top plate, satisfying -10 mm ≤ h ≤ 10 mm, and angles θ formed by a surface perpendicular to the top plate and the two vertical walls, respectively, each satisfy 20° ≤ θ ≤ 45°.

The utility model discloses a length-adjustable concrete spreader, which relates to the technical field of concrete spreader, and comprises a support mechanism, a conveying pipeline, a cross arm and an adjusting mechanism, the adjusting mechanism comprises a connecting pipe, an adjusting assembly and a telescopic assembly, connecting flanges are arranged at the two ends of the connecting pipe, the adjusting assembly is arranged at one end of the connecting pipe and comprises an adjusting pipe and an adjusting bolt, the adjusting pipe is inserted into one end of the connecting pipe, an adjusting flange is arranged at one end of the adjusting pipe, and the adjusting bolt is inserted into the adjusting flange and the connecting flange. The telescopic assembly comprises a telescopic pneumatic rod and a moving pipe; the telescopic pneumatic rod is arranged on the side face of the connecting pipe, the movable pipe is inserted into the adjusting pipe, a movable flange is arranged at one end of the movable pipe, and the pneumatic driving end of the telescopic rod is fixedly connected with the movable flange. The length of the conveying pipeline is adjusted by designing an adjusting structure, the construction range is expanded, the installation fault tolerance is improved, and incomplete pouring caused by too large installation deviation is avoided.

The invention provides a wheel center positioning method and system of a railway vehicle. Wherein the first detection unit and the second detection unit are mounted on two sides of the wheel, and the chord length of the wheel is measured through the first detection unit. When the second unit triggers detection, the second unit is controlled to move for a semi-chord distance in the same direction, and initial positioning of the wheel center is determined. Dynamic contact spot deformation and rim degradation data are fused, a collaborative analysis model is constructed, the nonlinear relation between the abrasion gradient and contact spot offset is extracted through deep learning, and dynamic correction is generated. And millimeter-level dynamic compensation is carried out on the positioning center based on the dynamic correction, stability control over the wheel-rail contact center in the transverse direction, the vertical direction and the rotating dimension is achieved, and stress concentration caused by rim abrasion is restrained. According to the technical scheme provided by the invention, the wheel-rail contact center positioning precision and stability are improved.

The invention relates to cast-in-place pile reaming equipment and a reaming construction method.The cast-in-place pile reaming equipment comprises an outer pipe, an inner pipe and a drill bit, a first hydraulic cylinder corresponding to the inner pipe is arranged in the outer pipe, the drill bit is located at the bottom of the inner pipe, the inner pipe moves up and down along the outer pipe through the first hydraulic cylinder, and an upper flange is arranged on the outer pipe; an upper flange is arranged on the inner pipe, a lower flange corresponding to the upper flange is arranged on the inner pipe, pressing arm assemblies which are hinged to each other are arranged between the upper flange and the lower flange, reaming plates are arranged on the pressing arm assemblies, and alloy blocks are arranged on the reaming plates. According to the cast-in-place pile reaming equipment and the reaming construction method, through multi-point stress and dynamic angle adjustment, stable supporting and fixing are achieved through the pull rope assembly and the winding assembly, directionality is ensured through the guide assembly, the reaming efficiency and stability are remarkably improved, safety and equipment adaptability in the construction process are enhanced, and the construction efficiency is improved. And meanwhile, the construction quality and the improvement of the overall performance are ensured.

The invention belongs to the technical field of bridge engineering, and aims to eliminate the problem of systematic underestimation of web bearing capacity under the condition of standard effective loading length. The invention provides a method for correcting a local pressure bearing capacity calculation formula of a steel beam web, which comprises the following steps of: identifying and determining a key parameter ratio and an engineering application range thereof by carrying out sensitivity parameter analysis on a bending reduction coefficient; on the basis of the reference engineering case, fixed values are taken from part of parameters, and other geometric quantities are inversely calculated; based on a preset variable sequence, finite element models are established in Abaqus in batches, and the ultimate bearing capacity and the flange longitudinal stress level of each model are extracted; the standard calculation value is corrected according to a finite element result, the corrected ultimate bearing capacity of the steel beam web is calculated, and a corrected bending reduction coefficient is obtained accordingly; and finally, fitting a corrected formula about the regularized slenderness ratio on the correction coefficient by taking the specification parameter as an independent variable to obtain an expression capable of directly replacing the original specification. The method can significantly improve the calculation precision.