144results about "Load-supporting pillars" patented technology

A cold formed beam formed from a single sheet of steel having an upper member and a lower member (e.g., square, rectangular, other shape) separated by a web. The web may include stamped apertures and / or embossments around at least a portion of the stamped apertures. The cold formed beam may include beam connections that operatively couple the ends of the steel sheet used to form the beam to a portion of the beam (e.g., the web). The beam connections may by interference connectors formed from deformation of two or more layers of beam (e.g., clinching, or the like). Among other benefits, forming the cold formed beam from a single sheet, stamping of the web, and / or the using deformation connections (e.g., clinching, or the like) of the ends of the sheet allows for the pre-coating (e.g., galvanized, painting, or the like) of the sheet before the forming.

We provide a positioning and fixing device for steel box girder U-rib welding processing. [Solution] The device includes a workbench and a fixing device, the fixing device including a mounting holder attached to the workbench and positioned above the upper deck slab for abutting the U-rib against the mounting holder to position it, a positioning assembly attached to the workbench and used to position the upper deck slab, a position limiting mechanism used to position the U-rib, a guide rail attached to the mounting holder and corresponding to the U-rib, a plurality of clamping mechanisms connected to each other and slidingly attached to the mounting holder or the guide rail, and a welding assembly slidably disposed on the mounting holder or the guide rail. The device uses the clamping mechanism to position the U-rib and correct any deformed portions before welding, and the clamping mechanism continues to position and correct the U-rib after welding, thereby significantly reducing the probability of U-rib deformation and simultaneously improving welding efficiency and quality.

The hydraulic support roof beam maintenance press machine comprises a frame, a first pressure unit and a second pressure unit are arranged at the bottom of the frame, a first rotating driving part and a plurality of groups of pressing wheels are arranged on the first pressure unit, a fixed plate is arranged at the bottom of the second pressure unit, a plurality of pressing blocks are arranged on one side of the fixed plate at intervals, a second rotating driving part is arranged on the second pressure unit, a transmission gear is drivingly connected to the rotating output end of the second rotating driving part, a knocking block is eccentrically arranged on the transmission gear, the second rotating driving part can drive the transmission gear to rotate, so that the pressing blocks can be close to the fixed plate, and the fixed plate and the pressing blocks constitute a double-side pressure shaping structure of the hydraulic support roof beam side plate. The hydraulic support roof beam maintenance press machine is favorable for solving the problems that some existing press machines are fixed and difficult to break through the site limitation, and the maintenance of the hydraulic support roof beam side plate is time-consuming and laborious.

A cross beam punching device for vehicle machining relates to the technical field of punching devices and comprises a supporting table, a side frame is fixedly connected to the supporting table, a vertically-arranged telescopic cylinder is fixedly connected to the top of the side frame, a switching plate is horizontally arranged below the telescopic cylinder in a sliding mode, and a plurality of vertically-arranged sleeves are fixedly connected to the switching plate in parallel; a plurality of sleeves are arranged on the supporting table, punch connecting rods are arranged in the sleeves in the vertical direction in a sliding mode, punches are connected to the lower ends of the punch connecting rods, the diameters of the punches on the multiple punch connecting rods are different, two punching supporting seats moving to the positions below the punches are horizontally arranged on one side of the supporting table in a sliding mode, and the two punching supporting seats move oppositely and reversely. The punching device solves the problems that when an existing punching device is used, punches of different sizes are replaced in a rotary disc mode, and due to the fact that the diameter of the rotary disc is large, large working space is occupied, and space layout and use are affected.

Provided are a body frame member capable of suppressing deformation due to springback, and a method for manufacturing the same. The body frame member 1 of the present invention is formed in a substantially U shape by a web 2 extending in a front-rear direction of a vehicle body, an upper flange 3 extending inward in a vehicle width direction from an upper end of the web 2 and a lower flange 4 extending inward in the vehicle width direction from a lower end of the web 2, and comprises a kick-up portion 5 bent in the vertical direction of the vehicle body, and a convex portion 21 protruding outward or inward in the vehicle width direction is integrally formed from the upper end to the lower end of the web 2 at a portion of the web 2 where the kick-up portion 5 is provided.

A structural member having a closed cross section can be manufactured by press molding in a simpler method. The structural member is press molded into a target part shape (1) having a top plate portion (1A) and left and right vertical wall portions (1B), in which recesses (1Bc) protruding toward the other vertical wall portion (1B) are formed, and an inner surface (2) of the recesses (1Bc) is capable of surface contact with the inner surface of the other vertical wall portion (1B). The method includes a first shaping step (5A) of shaping a metal plate (10) into a first intermediate part (11) having a recess (1Bc); a second shaping step (5B) of producing a second intermediate part (12) by imparting bending deformation to a region (11A) that will become the top plate portion (1A) of the first intermediate part (11) in a direction in which the recesses (1Bc) approach each other; and a third shaping step (5C) of further imparting bending deformation to the region (11A) that will become the top plate portion (1A) of the second intermediate part (12) while pressing the left and right vertical wall portions (1B) in a direction in which they approach each other.

The invention relates to the field of electric power towers, in particular to a metal composite electric pole manufacturing method which comprises the steps that an electric pole is formed by winding a high-strength steel strip, supporting in the winding process and pressing after forming are conducted through a core mold, and the production problem that high-strength steel is used for the electric pole with the taper is solved.

The application provides a preparation process of a reinforcing beam of an automobile and the reinforcing beam, and the preparation process comprises the following steps: S100, extruding an aluminum alloy raw material to form an aluminum alloy profile structure with a cavity structure; S200, respectively placing first supporting blocks from both ends of the profile structure to middle connecting positions; S300, fixing the first supporting blocks; S400, processing connecting holes and mounting holes on the profile structure, and the middle connecting holes are through holes penetrating through the profile structure and the first supporting blocks; S500, respectively placing second supporting blocks from both ends of the profile structure to end connecting positions; and S600, fixing the second supporting blocks to obtain the reinforcing beam. In the preparation process, the first supporting blocks and the second supporting blocks are respectively placed at the middle connecting positions and the end connecting positions, the supporting blocks can support the corresponding connecting holes or mounting holes, so that the strength of the connecting and fixing positions of the reinforcing beam is improved, the problems of induced deformation and torque attenuation of the connecting and fixing positions of the reinforcing beam during the collision of the automobile are avoided, and the connecting strength is improved.

The object of the present invention is a method for manufacturing a multi-chamber structural element for forming a multi-chamber structural element, the chamber profile (1) extending radially from a center defined by the joining of chamber profiles (1), comprising the following steps: providing at least three chamber profile preforms (2), each chamber profile preform (2) made from a sheet of metal material and comprising two walls (3) arranged relative to each other in substantially parallel planes with a gap therebetween, the edges of the individual walls (3) coming together, and a valve element (6) being arranged on at least one wall (3); The edge of each unconnected wall (3) is sealed with a seal (5) to form a closed, sealed, empty interior space of the chamber profile preform (2), a fluid under pressure is introduced into the interior space of the chamber profile preform (2) through a valve element (6) to form a deformed chamber profile (1), and at least three chamber profile preforms (2) or chamber profiles (1) are connected along at least a part of their inner edges to corresponding inner edge areas of the chamber profile preforms (2) or chamber profiles (1) proximal to the connecting axis (4).

A method of forming a split structure beam for a vehicle includes roll forming a sheet to form a first tube section extending along a first side of the sheet and a second tube section extending along a second side of the sheet opposite the first side. A center wall of the sheet connecting the first tube section and the second tube section is separated or split along a length of the sheet. The center wall is longitudinally separated into a first flange portion integrally extending from the first tube section and a second flange portion integrally extending from the second tube section. A joint can be formed longitudinally along the sheet in a non-linear shape, such as a repeating curved pattern, to provide a desired shape for the first flange portion and the second flange portion. In some examples, the joint can form a wavy edge having a sinusoidal shape.

The utility model discloses a stamping die for processing a front longitudinal beam of a vehicle cabin. The stamping die comprises an upper die and a lower die, the lower die comprises a bottom plate, a fixing seat is arranged at the top of the rear end of the bottom plate, two positioning assemblies are arranged at the top of the fixing seat, each positioning assembly comprises two inner positioning supporting rods, a gland plate is fixedly connected to the top of the bottom plate and located above the inner positioning supporting rods, and a fixing clamping seat is arranged at the bottom of the gland plate. The top of the bottom plate is fixedly connected with two clamping air cylinders, the two clamping air cylinders are oppositely arranged, and an output shaft of each clamping air cylinder is fixedly connected with a movable clamping block. The upper die comprises a stamping plate, the stamping plate is located above the gland plate, two punches are arranged at the bottom of the stamping plate, and the two punches correspond to the two positioning assemblies in a one-to-one mode. The stamping die for machining the front longitudinal beam of the vehicle cabin is reasonable in structure, efficient forming of a crushing groove is achieved, the function of double-station operation is achieved, and machining efficiency is improved.

To provide a manufacturing method for a structural member capable of bending a material while preventing interference of excess material. [Solution] A manufacturing method for a structural member (10) includes a preparation step and a bending step. In the preparation step, a raw material (M) is prepared. The raw material (M) includes a web (11) and a flange (12). The flange (12) is continuous with the side edge of the web (11). In the bending step, the raw material (M) is bent so that the web (11) is on the outside when viewed from the flange (12) side, while a portion of the flange (12) is caused to protrude outward from the raw material (M) as an excess part (121).

This invention provides a positioning and fixing device for welding U-ribs to steel box girders. [Solution] The device includes a workbench and fixing equipment, the fixing equipment including a mounting holder attached to the workbench and positioned above the upper deck slab to position the U-rib by contacting the mounting holder, a positioning assembly attached to the workbench and used for positioning the upper deck slab, a position limiting mechanism used for positioning the U-rib, a guide rail attached to the mounting holder and corresponding to the U-rib, a plurality of clamping mechanisms connected to each other and sliding to be attached to the mounting holder or guide rail, and a welding assembly slidably positioned on the mounting holder or guide rail. The device positions the U-rib and corrects any deformations before welding through the clamping mechanism, and at the same time, the clamping mechanism continues to position and correct the U-rib after welding, thereby significantly reducing the probability of U-rib deformation and simultaneously improving welding efficiency and quality.

The invention relates to the technical field of metal forming, and particularly discloses an ultrahigh-strength steel hot rolling forming process applied to part preparation. Comprising the following steps that S1, cold rolling is conducted, specifically, a main body contour is formed, specifically, basic structure forming is completed, and 95-98% of the machining allowance of the final size is reserved; for a high-precision surface, the allowance of 0.3 mm is reserved; a welding seam area is completely formed; the bending angle part is 10-15% less than forming; s2, induction heating is conducted, specifically, a semi-finished product formed through cold rolling continuously enters an induction heating device, and the material is fully austenitized through heating and heat preservation; s3, quenching is conducted, specifically, the heated semi-finished product enters a cooling device, the outer surface of the semi-finished product makes contact with a cooling medium, temperature control is conducted on the cooling medium through dynamic water pressure P (t), and the dynamic water pressure is calculated through space-time two-dimensional conditions; and S4, a post-processing procedure.

The invention relates to a moving beam type multi-servo indexing punch forming machine, and belongs to the technical field of punch forming machines. The punching device comprises a supporting base, a fixing base arranged on the supporting base and used for placing a rotor piece, and a punching body installed on the supporting base in a sliding mode. The stamping main body comprises a stamping frame body arranged on the supporting base, a first moving mechanism for driving the stamping frame body to slide and a stamping mechanism arranged on the stamping frame body; the first moving mechanism comprises a first servo motor, an output screw rod which is connected with the first servo motor and is in threaded fit with the stamping frame body, and a sliding block which is arranged at the bottom of the stamping frame body; the stamping mechanism comprises a second servo motor, a crank connecting rod structure connected with an output shaft of the second servo motor and a stamping die arranged on the crank connecting rod structure. The stamping forming machine has the effect of improving the adaptability and stamping precision of the stamping forming machine to the large rotor piece.

A formed sheet metal material and methods, tools and apparatus for forming the sheet metal material in which a pattern of projections and depressions are cold worked in a first portion and, simultaneously, indicia is embossed in a second portion of the sheet material. The cold worked portion is formed with the projections and depressions configured and distributed such that lines drawn on a surface of the formed sheet material between adjacent rows of projections and depressions are not rectilinear. The indicia is indicative of the alignment between the tools.

The present application belongs to the technical field of lock beam correcting equipment, and particularly relates to a lock beam correcting machine, which comprises a workbench, a feeding and discharging assembly, a correcting assembly and a detecting assembly, wherein the correcting assembly is connected with the workbench, the feeding and discharging assembly is connected with the workbench, the feeding and discharging assembly is used for conveying the lock beam to the correcting assembly and taking the corrected lock beam from the correcting assembly, the detecting assembly is connected with the workbench and used for detecting the bending radian of the lock beam on the correcting assembly, and the correcting assembly is used for correcting the lock beam. The full-automatic correction of the lock beam is realized without manual participation, the working efficiency is improved, and the correction precision is improved.

The invention relates to a hydraulic support top beam maintenance press which comprises a rack, a first pressure unit and a second pressure unit are arranged at the bottom of the rack, and the first pressure unit is provided with a first rotary driving part and a plurality of sets of pressing wheels; a fixing plate is arranged at the bottom of the second pressure unit, a plurality of profiling blocks are arranged on one side of the fixing plate at intervals, a second rotary driving part is arranged on the second pressure unit, the rotary output end of the second rotary driving part is in transmission connection with a transmission gear, a knocking block is eccentrically arranged on the transmission gear, and the second rotary driving part can drive the transmission gear to rotate. The pressing block can get close to the fixing plate, and the fixing plate and the pressing block form a double-side pressure shaping structure of the hydraulic support top beam side plate. The problem that the maintenance of the hydraulic support top beam side plate is time-consuming and labor-consuming due to the fact that some existing press machining places are fixed and place limitation is difficult to break through is solved.

A method of manufacturing an operating beam of a sunshade assembly having a variable height while controlling the width in manufacturing is provided. An operating beam manufactured as such and the use of said operating beam in a vehicle are also provided.

A torsion axle assembly for a vehicle includes a torsion beam extending laterally and having a top surface, a bottom surface, a rear surface, and a front surface. The torsion beam includes a pair of end portions laterally spaced by a pair of transition zones and an intermediate portion located between and separating the transition zones. The torsion beam also includes an opening defined by the bottom surface, formed in the intermediate portion and the transition zones, and outlined by edges having opposing edges. Each of the opposing edges includes a flange portion. Each flange portion includes at least one rounded portion.

A forming sheet metal part (1) for a vehicle frame includes: a first portion (2) being locally heat-softened after the sheet metal part (1) has been formed out. The part (1) further includes a dedicated three-dimensional distortion-absorbing area (4), defining an internal boundary (6) within which the first portion (2) is to be locally heat-softened after the sheet metal part (1) has been formed out. The distortion-absorbing area (4) is dimensioned such that once said locally heat-softening step has been performed, the internal boundary (6) is adjacent to the first portion (2) and encloses the first portion (2) to absorb the dimensional distortions induced by the locally heat-softened first portion. The invention further relates to a method for producing a forming sheet metal part (1).

The application discloses a space truss structure on-orbit manufacturing device and method, which is composed of a rack, a feeding disc, a discharging disc, an upper feeding roller, a lower feeding roller, an upper guide die, a lower guide die, a forming die assembly, a front joint nailing device assembly, a rear joint nailing device assembly, a truss cutting device and a strip material. The strip material is wound on the feeding disc and the discharging disc respectively, and is conveyed forward through the upper feeding roller and the lower feeding roller. The beam blank of the longitudinal beam is formed under the joint action of the forming core die assembly, the forming upper die assembly and the forming lower die assembly. The front and rear material overlapping parts of the beam blank of the longitudinal beam are shot by the front joint nailing device assembly and the rear joint nailing device assembly to form the longitudinal beam. When the length reaches the target length, the beam blank is cut off by the transverse beam cutting device. The forming efficiency is high, the structural performance is more stable, and the space structure can be manufactured to be larger and more complex without being limited by ground processing and transportation.

The present invention relates to a method for forming a reinforcement structure, and the reinforcement structure. The method for forming a reinforcement structure according to the present invention may include: a first forming step of bending an edge of a steel plate in a first direction to form a side flange, which forms a flange angle with the bottom surface of the steel plate; a second forming step of bending the steel plate in a second direction to form a pair of side wall flanges, and bending at least a portion of the side flange in a direction opposite the first direction; and a third forming step of bending the side flange in the first direction.

The invention discloses stamping equipment for a longitudinal beam of a truck chassis, and relates to the technical field of processing equipment for the longitudinal beam of the truck chassis, the stamping equipment comprises a stamping electric cabinet and a stamping platform, and further comprises two limiting guide rails which are both located at the top of the stamping platform and are symmetrically distributed, the device has the beneficial effects that the first stamping mechanism, the second stamping mechanism and the stamping die are arranged, a limiting guide rail and an electric telescopic rod are combined and matched with the stamping mechanisms to move in multiple directions, the angle fine adjustment function adapts to complex curved surfaces, and therefore stamping errors are reduced, the machining capacity is expanded through rotary stamping and a heating module, and the machining efficiency is improved. Load is dispersed through the design of the supporting foot bases and the limiting guide rails, the vibration deviation condition in the stamping process is reduced, and therefore the service life of the equipment is prolonged, the later maintenance and overhaul process of workers is simplified through the design of the detachable stamping die and the heat dissipation seams, and through the combination of the limiting guide rails and the rotary stamping die, the production efficiency is improved. The positioning problem of multi-angle punching of large workpieces is solved.

To provide a method for manufacturing an assembly-type shelf that can be produced from flat plates and can significantly reduce the number of fastening points using threaded members without any welded joints.SOLUTION: A method for manufacturing a column of an assembly-type shelf, which is fabricated by bending a sheet material comprises: a cutting step A of cutting a pair of column members from the sheet material into a predetermined shape; a threaded hole processing step B of forming female threads by pre-drilling and tapping; a bending step C of bending to form an approximately L-shaped cross-section in the longitudinal direction; and an assembling step D of fixing to respective coupling portions provided at ends of the column members by using threaded members.SELECTED DRAWING: Figure 1

The invention discloses a middle cross beam forge piece and a surface treatment method thereof, the surface treatment method adopts a mesh belt shot blasting machine to carry out shot blasting treatment on the outer surface of the middle cross beam forge piece, the diameter of shot materials adopted for shot blasting is 0.3-1.2 mm, the power of blasting heads is 25-35 Hz, the number of the blasting heads is 6-10, the speed of a conveying motor of a mesh belt is 8-15 Hz, and the diameter of the mesh belt is 0.3-1.2 mm; and the front and back shot blasting times of the middle cross beam forge piece are twice. The method is easy to operate, the bending performance of the middle cross beam forge piece is improved by controlling shot blasting process parameters, and the technical prejudice that the shot blasting surface treatment process in the traditional viewpoint does not affect the physical performance is abandoned.

To provide a molding manufacturing method capable of easily forming a juncture while suppressing cracking of the juncture of two welded plates.SOLUTION: This molding manufacturing method comprises: stacking and welding an inner metal plate on an outer metal plate to form a first juncture; and bending, after the formation of the first juncture, the outer metal plate together with the inner metal plate in a first direction through first pressing to form a first surface, a second surface, and a bent part in the outer metal plate. The method further comprises bending, after the first pressing, the outer metal plate together with the inner metal plate in a second direction through second pressing to form a reverse bent part bent opposite to the bent part in the outer metal plate. The first juncture is a part in which the inner metal plate is welded to a region where the inner metal plate becomes a first surface of the outer metal plate.SELECTED DRAWING: Figure 3