183 results about "Lateral extrusion" patented technology

The invention relates to a component, a method, and a tool for forming, in particular for the lateral extrusion or upsetting of thin-walled preforms to form components having a structure formed thereon, in particular having a toothing, wherein, by carrying out the method according to the invention and by using the tool according to the invention, buckling of the wall of the preform during the forming process to form the component according to the invention is prevented.

A prefabricated type pipe joint of a comprehensive pipe gallery comprises erected trapezoidal segment structures and inverted trapezoidal segment structures. Convex openings are made around fracturesof the erected trapezoidal segment structures; waterproof rubber strip mounting grooves are made around the convex openings; the mounting grooves on the two sides are located in the front faces of theconvex openings, and the upper and lower mounting grooves are located in the top faces of the convex openings; hoisting bolt holes are reserved in the tops of the side walls of the two sides of the erected trapezoidal segment structures; notches are formed around the inverted trapezoidal segment structures; and the convex openings of the erected trapezoidal segment structures and the notches of the inverted trapezoidal segment structures are in Z-shaped tongue-and-groove connection in the mounting process. Lateral extrusion force and vertical extrusion force are generated directly through theshapes and the weights of the structures in the vertical mounting process to extrude waterproof rubber strips, so that the water-stopping and waterproof purposes are achieved. Meanwhile, the waterproof rubber strips can be mounted immediately after engineering prefabricating, accordingly, the mounting efficiency is improved, the on-site mounting procedures are reduced, and the construction cost is reduced.

The invention proposes a lateral extrusion tool used for stirring friction butt welding of a plate. The tool comprises a threaded bottom plate, a welding compaction structure, fasteners and a backboard. The tool has the technical key points that the welding compaction structure is arranged on the upper sides of an extrusion block and a welded plate; a lateral compaction structure and the welding compaction structure are used for compacting the threaded bottom plate through the fasteners; and each of the lateral compaction structure and the welding compaction structure is provided with a long strip hole matched with the corresponding fastener. The tool is simple in structure, easy to mount and wide in applicability, and can adapt to effective clamping and limiting of relatively wide and thick welded plates, enable a butting surface to be always in a close-fit state and ensure that a high-quality stirring friction butt weld joint with stable performance is formed. Due to the addition of lateral extrusion force, the demand on surface compaction force of the welded plate can be relieved, and through the combined use of the backboard, the pressing marks of the welded plate can be reduced and even completely prevented.

The invention discloses a block type multidirectional forging device, which comprises a frame, a die for forming a product and a hydraulic transmission device. The hydraulic transmission device comprises a main cylinder, a jacking cylinder and at least two lateral extrusion cylinders, wherein a movable element is arranged at the rear end of each lateral extrusion cylinder; and the frame comprisesa bracket and fasteners in wrapped connection with the outer sides of the movable elements and used for fixedly connecting a plurality of movable elements sequentially, and each fastener has a closedannular structure. According to the device, the movable elements are arranged at the rear ends of the lateral extrusion cylinders and fixedly connected with the fasteners, and when each lateral extrusion cylinder extrudes a workpiece, a force reacting on the frame can directly act on the fasteners; and because the fasteners have the closed annular structures, stress balance at each position of the fasteners is ensured, the forging precision is effectively ensured, degraded products are reduced or avoided, the working efficiency is improved, and the production cost is reduced.

The invention discloses a large-deformation composite extrusion preparation method for a magnesium alloy profile for a vertical hydraulic machine. The large-deformation composite extrusion preparationmethod comprises the steps that (1) blanking is conducted; (2) homogenization treatment is conducted; (3) a blank and a die are heated and subjected to heat preservation; (4) a lubricant is smeared,and the blank is placed into a forward extrusion cavity; (5) the blank is forwards extruded into a storage cavity through a calibrating straight; (6) the blank continuously bears pressure to flow tillmaking contact with the bottom of the storage cavity, the blank radially flows, the space in the storage cavity is gradually and fully filled with the blank, and in the process, the blank is subjected to upsetting deformation; (7) under the downward pressing effect of the male die, blank metal starts to flow towards a radial cavity extrusion opening communicating with the two sides of the storagecavity to be subjected to lateral extrusion deformation, and when the stroke of the male die is completed, the lateral extrusion process is also completed; and (8) die release is conducted. Accordingto the large-deformation composite extrusion preparation method, one-time forming of large plastic deformation of forward extrusion, upsetting and lateral extrusion is achieved, thus the strain amount is increased, the stress strain state is enriched, the structure is improved, the structure strength is weakened, production processes are effectively reduced, and the large-deformation composite extrusion preparation method adapts to market economic prospects in China.

The invention relates to a silage compaction method, and the method performs rapid stratification, landfill, and compaction of silages by a wheel loader. The method comprises the following steps: (1) rapidly stratifying silage after pit entry with 20-30 cm per layer, compacting the silage alternately in horizontal and vertical direction to ensure that air in gaps of each silage layer is discharged; (2) compacting edges and corners of the silage by using a lateral extrusion method and through the reaction force generated by the wheel loader and a wall body; (3) compacting and planishing the plane of the upper layer of the silage and performing manual flattening again before pit sealing, after film sealing, compacting the silage by waste and old tyres to ensure that air is discharged as much as possible during film sealing; (4) spading and flattening the bottom silage at the end of pit sealing, adjusting the inclination angle to facilitate the draining and the placement of the compacting tyres. The invention can accelerate the progress of silage storage, reduce labor cost, and increase labor efficiency; and the technique has simple operation, is easy to learn and understand, can completely ensure the silage preparation quality, and is easy for popularization.

Aspects of the present invention relate to method for reducing lateral extrusion formed in semiconductor structures and semiconductor structures formed thereof. Various embodiments include a method for reducing lateral extrusion formed in semiconductor structures. The method can include removing a portion of a first lateral extrusion in an aluminum layer of the semiconductor structure, and determining a post-removal thickness of a dielectric layer positioned adjacent the aluminum layer. The post-removal thickness may be determined subsequent to the removing of the portion of the first lateral extrusion. The method can also include determining a difference between the post-removal thickness of the dielectric layer and a pre-removal thickness of the dielectric layer.

Aspects of the present invention relate to a controlled metal extrusion opening in a semiconductor structure. Various embodiments include a semiconductor structure. The structure includes an aluminum layer. The aluminum layer includes an aluminum island within the aluminum layer, and a lateral extrusion receiving opening extending through the aluminum layer adjacent the aluminum island. The opening includes a lateral extrusion of the aluminum layer of the semiconductor structure. Additional embodiments include a method of forming a semiconductor structure. The method can include forming an aluminum layer over a titanium layer. The aluminum layer includes an aluminum island within the aluminum layer. The method can also include forming an opening extending through the aluminum layer adjacent the aluminum island within the aluminum layer. The opening includes a lateral extrusion of the aluminum layer of the semiconductor layer.

The invention discloses a hot extrusion device for molybdenum and molybdenum alloy. The hot extrusion device comprises an extrusion die, the extrusion die is internally provided with an extrusion channel, and the middle of the extrusion channel retracts; the extrusion die is sleeved with a heat-preservation preheating device; the hot extrusion device further comprises a vertical hydraulic press and a pair of overturn extrusion devices, the overturn extrusion devices are used for turning over and laterally extruding the extrusion die, and the vertical hydraulic press is used for longitudinallyextruding and heating the molybdenum or molybdenum alloy in the extrusion channel. The invention further discloses a hot extrusion method for the molybdenum and molybdenum alloy. The method comprisesthe steps of preheating of the extrusion die, die combination and preheating, extrusion molding and 2-5 times of repeated extrusion molding. The hot extrusion device can unevenly extrude the molybdenum and molybdenum alloy in three phases, and large-sized even grain-refined molybdenum and molybdenum alloy are obtained; by means of the hot extrusion method, obtained finished materials of molybdenumand molybdenum alloy can be even in structure and refinement degree.

The invention discloses a reinforcing steel bar bending strength detection device which comprises a supporting part. A workbench is fixedly connected to the top of the supporting part; a first connecting rod is fixedly connected to the interior of the supporting part; and a servo motor is fixedly connected to the top of the first connecting rod. According to the invention, the bending resistance of the reinforcing steel bar is tested in a lateral extrusion bending manner; with a fixation device, the reinforcing steel bar body is protected from being clamped into a push plate in testing and oneside of the reinforcing steel bar body can be limited; after setting of first limiting holes and second limiting holes in different positions, adaptability to reinforcing steel bar bodies with different lengths can be improved; the push plate is prevented from displacement in the testing process because of mutual limiting between a fixed thread sleeve and a pushing device, so that the high detection accuracy is ensured; and with a set sealing cover, the reinforcing steel bar is prevented from being broken effectively in testing and thus the operation is protected from being injured by any mistake.

The invention relates to the technical field of sleeve-free edge sealing equipment matching, and particularly relates to a transmission device for a composite board sleeve-free edge sealing machine. The transmission device comprises an external main rack, an overhead driving motor and a side gear transmission set. According to the transmission device for the composite board sleeve-free edge sealing machine, an external guide roller set of an external lateral extrusion forming mechanism and a lateral linkage mechanism is movably assembled in the external main rack, the lateral linkage mechanism is synchronously controlled to turn over by pressing the lateral extrusion forming mechanism through the two ends of a composite board, and therefore the supporting performance of the bottom of the composite board is improved, and the extrusion forming precision of the two ends of the edge sealing machine is improved; and the lateral linkage mechanism is in transmission connection with a guide rod through a lateral transmission rod, an arc-shaped assembling plate is driven to turn over through stretching and retracting of the guide rod, an arc-shaped anti-skid cover makes contact with the surface of the composite board, and therefore the surface friction force is improved, the composite board is prevented from slipping in the conveying and extruding process, and the transmission and extrusion forming efficiency is improved.

The invention discloses a thermal precise forming method and a thermal precise forming device for a toothed steering rocker arm shaft. The method is characterized in that: a toothed steering rocker arm shaft precision forging is formed by a one-step method in a forming mode of positive extrusion upsetting and lateral extrusion; and the method comprises the following steps that: a metal blank is put into a female die and an extrusion upsetting sleeve, a sliding block of a hydraulic press starts descending, an upper punch head starts contacting and extruding the metal blank, the metal blank flows into the fan-shaped cavity of the female die under the extrusion of the upper punch head, a lateral hydraulic cylinder starts pressing when the fan-shaped cavity is full of the metal blank so as to drive a lateral toothed punch head to extrude the metal blank flowing into the fan-shaped cavity, the pressure and the stroke of the sliding block of the hydraulic press and the lateral hydraulic cylinder are numerically controlled, and the toothed steering rocker arm shaft precision forging is extruded under the combined action of the upper punch head and the toothed punch head. The method has the characteristics of one-step formation, simple process and short flow, and fulfills the purposes of high efficiency, energy conservation and material economization of precise forming.

The invention provides an inclined plate and an application thereof. The inclined plate is an inclined rectangular flat plate, and two ends of the plate are attached to two planes which are perpendicular to each other; the two ends of the inclined plate can slide on the two planes; when pushing force is applied to one end of the inclined plate in the direction parallel to the corresponding plane and perpendicular to the other plane, pushing force parallel to the corresponding plane and perpendicular to the other plane is generated at the other end of the inclined plate. The former pushing force drives the inclined plate to slide, and the later pushing force acts on a corresponding work object through the other end. In the process, the pushing force is increased, and the direction is turned for 90 degrees. When the inclined plate is taken as a locating part for a lifting table or a temporary connecting piece of a rectangular pipe, longitudinal force is increased to extrude inner and outer pipe walls transversely, and locating is realized. The structure is simple and the operation is convenient. Adjustment of the lifting table is finished instantly, connection of the rectangular pipe is realized within 5 s, and dismounting only needs 2 s. The inclined plate is driven through conversion of the longitudinal force, is abutted from the lateral back surface and can only advance without retreating, so that the locating is firm and free of shock influence, and the anti-shock and anti-fatigue performance is not inferior to that of welding. The inclined plate is quite simple, thereby being taken as a basic machine to be applied to extensive fields.

The invention discloses a non-destructive blasting excavation method without integrated rock interface foundation. The method can effectively eliminate energy, separate gas and isolate vibration, therock body damage depth at the bottom of blast holes is reduced, and the blasting effect is enhanced; the method is characterized by comprising the following steps that 1, vertical blast holes which are arranged in rows are drilled in the surface of a to-be-excavated rock body; 2, a buffer layer is laid at the bottoms of the blast holes; 3, a packaging bag with certain deformability is adopted forwrapping quick-setting high-wave impedance concrete with the expansibility so as to obtain a bagged flexible energy dissipation body, and the bagged flexible energy dissipation body is enabled to freely fall to the upper part of the buffer layer through dead weight; 4, a lifting hammer is adopted to apply lateral extrusion force to the bagged flexible energy dissipation body through hammering, sothat the bagged flexible energy dissipation body and the walls of the blast holes are preliminarily attached, after the quick-setting high-wave impedance concrete in the bag is expanded and solidified, the blast holes can be filled, and high-wave impedance concrete cushion blocks which are tightly blocked at the hole bottoms are formed; and 5, explosive are loaded and blocked in the blast holes, the explosive bag is detonated through a detonator, and rock blasting is carried out.

The invention relates to an experiment device used for simulating the influences of various cause conditions on low-amplitude structural configuration in the technical field of geologic structures. The experiment device mainly comprises a computer system, a case body, a piston ring, a piston, a pressure pipe, sandstone particles, mudstone particles, a pressure feed ring, a bolt, an air compressor A, a high-speed camera, an iron prop, a pressure sensor, a small ball valve, a small pressure gauge, a large pressure gauge, a large ball valve, an air compressor B, a lower ground layer, a lateral substrate, an upper ground layer, and a reservoir stratum. The core of the technical scheme is that the actual condition of the underground stratum and the stress effects of differential compaction, basement uplift and lateral extrusion on the stratum in the formation of the low-amplitude structure are relatively truly simulated in the case body. The experiment device is simple in operation, and can well simulate the process of the influences of various cause conditions on the low-amplitude structural configuration.

The invention relates to a novel movement recoil type hot extrusion finish forge forming and processing method and belongs to the technical field of hot (warm) extrusion forging. According to the invention, a used hot extrusion finish forge die comprises a lower concave die, a transverse convex die base, a transverse convex die, an upper concave die, a connecting rod and an elastomer. The method comprises the step of carrying out whole downward movement on the upper concave die and the lower concave die which are closed as well as a lower die base, wherein in the downward movement process, the lower die base and a support plate are supported and connected by the elastomer; and carrying out lateral extrusion and feed of a blank on a die head through a fixed hinge formed by a support base plate and the connecting rod, and a moveable hinge formed by the connecting rod and the transverse convex die. The method disclosed by the invention has the obvious advantages that die structure is simple, dynamic distribution is reasonable, work efficiency is high, and energy is saved.

An apparatus and method for using a detachable sealed enclosure for containing and quickly accessing filter elements and the like without the use of tools and without the possibility of initial or subsequent over tightening. A first set of paired protrusions receive lateral pinch forces which draw the enclosure into a sealed connection with a lid while selectively compressing a seal between these components. A second set of paired protrusions receive lateral pinch forces which release the sealed connection, providing access to the enclosure content.

A removable bottle carrying attachment for a human user's trousers retains a beverage bottle adjacent an exterior surface of a small coin or watch pocket's opening. The tightly confined space within the almost inaccessible pocket defines a retaining sleeve which secures the planar structural integrity of the carrier's thin substrate as it slides vertically and limitedly upwards to sufficiently expose its bottle gripping aperture to surround a bottle's cap stop rim. A preferred embodiment's planar, elongate, flexible polymer substrate body parallels an elongate slot located centeredly near one distal end, and with a bottle gripping aperture located near an uppermost and opposite end. A preferred means for fastening the carrier to an interior area of the pocket is a cloth piercing two part dungaree button which extends through the pocket's exterior cloth and the elongate slot to allow application by a user. The attachment is concealed within the pocket until accessed by a users fingernail, and is removed by laterally squeezing two edges to distort the elongate slot into a more circular shape for removal past the fastening means.

The invention discloses a roadbed reinforcement structure of an oblique anchor cable cement earth pile. The roadbed reinforcement structure comprises a first reinforced concrete slab, a second reinforced concrete slab, a plurality of cement earth piles, an upper anchor head and a lower anchor head, wherein the first reinforced concrete slab and the second reinforced concrete slab are positioned on roadbed side slopes; the plurality of cement earth piles with anchor cables are distributed in a staggered way and positioned inside a roadbed body; the upper anchor head and the lower anchor head are positioned at two ends of each cement earth pile. By arranging the first reinforced concrete slab and the second reinforced concrete slab on the roadbed side slopes on two sides, the roadbed reinforcement structure effectively limits lateral extrusion deformation of the roadbed side slopes, and improves the function of controlling the sedimentation of the roadbed body; by applying the cement earth piles to the parts above the toes of the roadbed side slopes, the roadbed reinforcement structure has an obvious reinforcement effect on the upper middle part of the roadbed body, and the disturbance on optical cables at the lower part by construction is small; by applying prestress to steel strands, the bending rigidity of cement earth piles is enhanced, and the probability of bending cracking of the cement earth piles is reduced, so that the roadbed reinforcement structure has high topographical adaptive capacity during construction and has good popularization and application effects.