46 results about "Transverse compression" patented technology

The invention provides a transverse deformation simulation device in a ceramic fiber weaving process and a testing method, and belongs to the technical field of performance testing of high-performance materials, the transverse deformation simulation device comprises a humidity control system, a tension control mechanism and a lifting mechanism; the lifting mechanism comprises a lifting table, a sensing assembly is installed on the lifting table and comprises a sensor and a top head, and the top head is installed on the upper surface of the sensor; a glass plate is arranged above the top head; the tension control mechanism comprises a clamping module and a hanging module; and a microscope is arranged above the glass plate. The method is simple to operate and high in measurement precision, and when the method is used for carrying out transverse compression test on the ceramic fibers, not only can the deformability performance of the ceramic fibers in the weaving process be simulated, but also accurate data support can be provided for optimizing ceramic fiber weaving process parameters, so that the weaving efficiency and the mechanical property of the ceramic fiber preform are improved.

The utility model relates to the technical field of medical instruments, and discloses a PICC adjustable skin expanding needle which comprises a needle body, the needle body comprises a needle point, a sliding piece is assembled on the needle body in a sliding mode, a limiting protruding block is arranged at the bottom of the sliding piece, a locking column is arranged on the limiting protruding block, a movable column is arranged on the locking column, a limiting piece is arranged on the movable column, and a through hole is formed in the middle of the sliding piece. Transverse compression gaps are formed in the locking column, the movable column and the limiting piece, an embedding groove is formed in the locking column, the movable column is sleeved with a buckling piece, and a wedge-shaped embedding block is arranged in the buckling piece. The diameter of the through hole is larger than that of the needle body. The embedding groove is located in the vertical direction of the compression gap. The side face of the limiting protruding block is in a circular arc shape. The device has the advantages that the position of the limiter is adjusted according to the subcutaneous fat thickness prompted by B-ultrasonic, and a better puncture effect is achieved for different patients.

The utility model discloses a stainless steel pipe forming adjusting device, which relates to the technical field of stainless steel pipe production and comprises a mounting ring and an adjusting component. Four corresponding strip-shaped openings are formed in the front end of the mounting ring, connecting assemblies which are evenly distributed are installed on the front side and the rear side of the mounting ring, supporting assemblies and pulling assemblies are installed on the side faces of the connecting assemblies, the supporting assemblies are matched with the pulling assemblies, and rotating assemblies are installed at the upper end of the circumferential face of the mounting ring; the adjusting assembly comprises a sliding block, a threaded rod, a connecting frame, a longitudinal pressing roller, a gear, a transverse pressing roller and a gear ring, the sliding block is slidably connected to the interior of the strip-shaped opening, a threaded hole is formed in the middle of the sliding block, the threaded rod is in threaded connection with the interior of the threaded hole, and the threaded rod is rotationally connected to the interior of the strip-shaped opening; the longitudinal compression roller and the transverse compression roller can be adjusted at the same time, it is guaranteed that the adjusting amount is the same, and the roundness of the stainless steel pipe is prevented from being reduced.

The utility model discloses an assembled sleeve joint, relates to the technical field of building construction, and aims to solve the technical problems that an existing device is inconvenient to install two reinforcing steel bars with a small distance and is inconvenient to repeatedly turn screw threads, the assembled sleeve joint comprises two end cylinders, an adjusting assembly and a joint assembly, the two ends of the two end cylinders are fixedly connected through side shells, supports are fixed to the adjacent ends of the two end cylinders, assembling openings are formed in the middles of the supports, the adjusting assembly is rotationally installed between the two end cylinders, the adjusting assembly is composed of a rotary knob, the rotary knob penetrates through the middle of the rod body, the connector assembly is composed of two external connection cylinders, and the two external connection cylinders are fixedly connected with the connecting assembly. And a side block is slidably installed at an opening in the outer portion of the side shell, and pressing blocks are fixed to the upper end and the lower end of the inner side of the side block correspondingly. The device has the advantages that the size of the device is transversely compressed, connection of small-spacing steel bars is facilitated, bidirectional connection is completed through one-time spiral, and operation is convenient and fast.

The application discloses a kind of method and test system for evaluating carbon fiber monofilament transverse compression performance, including test sample preparation, test parameter and environment setting, sample positioning and size measurement, compression test and data acquisition and performance parameter analysis and evaluation, realize the accurate evaluation of carbon fiber monofilament transverse compression performance.The present application can improve the uniformity of sample preparation and test stability, cut off the error transmission of indirect parameters, solve the pain points of inaccurate measurement and large data dispersion of traditional methods, greatly improve the detection accuracy and efficiency, suitable for carbon fiber performance evaluation in the field of aerospace and other fields.

The invention relates to a side opening (16) of a motor vehicle, such as a front door. The side opening comprises a structure with an external partition (26); the external partition comprising an upper part, a lower part (36). The side opening (16) further comprises a protective element (20) for the lower part (36); a lower housing (42) between the lower part (36) and the protective element (20). In the lower housing (42) the side opening (16) comprises a foam block (44) against the protective element (20) in order to cover and block said protective element (20). The invention also relates to a method for assembling a side opening (16) with transverse compression of the foam block (44) in the lower housing (42). Figure to be published with the abstract: Figure 2

The invention discloses a device convenient for efficiently compressing garbage, which belongs to the technical field of garbage treatment equipment and comprises a crushing bin for garbage pretreatment, a feed hopper and a compression bin for garbage compression, the crushing bin is installed at the top of the compression bin, the feeding hopper is installed at the top of the crushing bin, a transverse compression mechanism used for providing compression capacity is installed on the side face of the compression bin, and a transverse compression plate is installed on a movable part of the transverse compression mechanism. And two fixing columns are fixedly mounted on the side, away from the transverse compression mechanism, of the compression bin, sliding grooves used for providing transverse moving spaces are formed in the two fixing columns correspondingly, and moving discs are transversely arranged in the sliding grooves in a sliding mode. Two-way vibration extrusion enables garbage to be denser, time is saved through automatic feeding and discharging, dust can be filtered, and the device is efficient, environmentally friendly and suitable for high-frequency scenes.

The present invention discloses a quasi-static transverse compression test device for fiber monofilaments, which belongs to the field of material characterization and mechanical experimental technology. The present invention uses piezoelectric ceramic actuators and capacitive displacement sensors to control and measure tiny compression amounts (the displacement accuracy can reach the nanometer level), uses high-precision force sensors to collect the pressure on the fiber monofilaments, and designs a clamp for laying two fiber monofilaments in parallel and equidistantly to reduce the eccentric compression error and achieve uniform compression of tiny fiber materials between two pressing plates. The present invention controls the system gap through the precise design of the overall loading platform, realizes the quasi-static compression mechanical performance characterization of 10-micron-scale high-performance fiber monofilaments, and measures the nominal stress-strain curve of the fiber under quasi-static loading. The characterization method can provide mechanical performance parameters and constitutive models at the fiber scale, and provide guidance for the development of cross-scale mechanical models for fabrics and composite materials and the development of high-performance fiber materials.

The present disclosure relates to a method of manufacturing a box characterized by the steps of: a) cutting off a slit to a remaining width of 0.6 mm to 0.15 mm, preferably 0.2 mm; b) the box is compressed laterally while rotating about its longitudinal axis until the slit is split, whereby the weld base seam of the inner bag remains adhered to one side of the split slit and the base region of the inner bag on the other side of the inner wall of the outer container is slightly pre-stripped; c) generating a reduced pressure in the inner pouch such that the inner pouch collapses on the pre-peel side; d) subsequently completely engaging the inner bag with the inner wall of the outer container by pressurization.

The utility model discloses industrial wastewater filtering equipment and belongs to the field of filtering equipment. The device comprises a filter tank, a grating mechanism, a waste box, a longitudinal compression mechanism and a transverse compression mechanism. The grating mechanism is arranged in the filter tank and is used for conveying waste materials in the wastewater. The waste box is fixedly arranged at the upper end of the filter tank and below a discharge hole of the grating mechanism and is used for collecting waste. The longitudinal compression mechanism is arranged in the filter tank and is used for extruding the waste materials from the upper side and the lower side; the longitudinal compression mechanism comprises a driving part; an upper pressing plate is arranged on the driving piece; the upper pressing plate is driven by a driving part to move up and down; and a lower pressing plate fixedly connected to the bottom of the filter tank is arranged under the upper pressing plate. Through mutual cooperation of the vertical compression mechanism and the transverse compression mechanism, waste materials can be extruded in the transverse direction and the longitudinal direction respectively, the waste materials are made to be in a compact long strip shape, accumulation and winding of the loose waste materials on a chain belt are reduced, and the risk that the chain belt is blocked is reduced.

The utility model discloses a kind of waste washing machine metal shell compression devices, the device includes base, the base is provided with compression box, compression box is a side or the square box of opposite pair of side open, multiple compression mechanism is set in compression box, multiple compression mechanism includes transverse compression component and longitudinal compression component, transverse compression component has symmetric distribution two groups, respectively set in the two sides of adjacent side of compression box opening side, longitudinal compression component is set in the upper portion of compression box, transverse compression component includes transverse extrusion plate and the transverse hydraulic cylinder of being set in the rear of transverse extrusion plate, longitudinal compression component includes downward extrusion longitudinal extrusion plate and the longitudinal hydraulic cylinder of being set in the above of longitudinal extrusion plate.The utility model is compressed to waste washing machine metal shell by transverse, longitudinal and rotation three directions simultaneously, compression efficiency is high, the density of compressed metal square is uniform, metal recovery rate is high, easy to operate, effect is remarkable.

The invention discloses a preparation method of a light long-time anti-scouring and ablation-resistant heat insulation layer material, and relates to the technical field of material processing, and the key points of the technical scheme are as follows: the preparation method comprises the following steps: preparing a heat insulation layer material containing an ablation-resistant filler through double-roller open milling; and extruding the filler through an expansion-limitation auxiliary extrusion device reinforced by a transverse compression and longitudinal stretching composite force field, and inducing the filler to turn over by utilizing an expansion flow field generated by an expansion-limitation-orientation section runner to form an ordered orientation structure, so as to prepare the novel heat insulation layer material. The method overcomes the limitation that a traditional blending process cannot regulate and control filler space distribution, the heat insulation layer material with excellent heat insulation performance and good formability can be conveniently prepared, the prepared material is controllable in filler orientation structure and adjustable in principle and formula, the preparation method is convenient and fast, continuous batch production can be achieved, the production efficiency is high, and the quality is stable.

The utility model relates to an anti-falling buffering ceiling of a cab, which comprises a ceiling body integrally welded at the top of the cab, a cavity is integrally arranged on the upper surface of the ceiling body, a buffering component is arranged in the cavity, a plurality of damping components are arranged on the lower surface of the buffering component, and each damping component comprises a U-shaped seat. A limiting pin shaft is inserted into the middle section of the U-shaped seat in a penetrating mode, a limiting protruding shoulder is integrally arranged at the lower end of the limiting pin shaft, the limiting pin shaft is sleeved with a vertical compression spring, connecting rods are hinged to the two ends of the limiting protruding shoulder, fixing seats are arranged at the bottom in the cavity, a transverse shaft is arranged between the two fixing seats, and sliding blocks are connected to the transverse shaft in a sliding mode. The transverse compression spring is connected to the transverse shaft in a sleeving mode, when a falling object collides with the ceiling, the impact force is decomposed from the vertical direction and the horizontal direction, the pressure borne by the transverse compression spring and the pressure borne by the vertical compression spring are reduced, the service life is prolonged, meanwhile, the double protection effect is achieved, and the device is suitable for industrial production and has high practicability.

The application discloses a reinforced reinforced concrete pipe culvert structure and a mounting method thereof, and relates to the technical field of reinforced concrete pipe culverts. The reinforced reinforced concrete pipe culvert structure comprises two positioning rings, the two positioning rings are arranged symmetrically left and right, the adjacent sides of the two positioning rings are each provided with a transverse connecting assembly for improving transverse tension, the outer wall of the transverse connecting assembly is provided with a plurality of annular connecting assemblies for longitudinal support, and the outer wall of the annular connecting assembly is uniformly provided with a transverse limiting assembly. The reinforced reinforced concrete pipe culvert structure and the mounting method thereof are characterized in that, when the structure of the reinforced concrete pipe culvert is mounted, the whole frame can be quickly built, the whole frame has good transverse compression resistance, and the frame does not need to be sequentially bound by iron wires, so that the frame is more labor-saving and efficient during assembly, and the assembly progress of the production prefabricated part of the reinforced concrete pipe culvert can be improved.

The present invention discloses an automated bed frame metal material recycling and processing equipment, including a metal material compression processing device, a crushing device and a smelting reduction device, the metal material compression processing device including a compression molding bin, a discharge port provided on the compression molding bin, a lateral compression component for performing lateral compression on the metal material toward the discharge port provided in the compression molding bin, side compression and upper compression are provided to perform preliminary compression processing on the waste at the same time, thereby improving the overall compression efficiency, automatically opening during unloading, and being able to cooperate with the side compression structure to automatically unload the compressed metal, and being provided with a position guide component to control the moving positions of the lateral compression component, the vertical compression component and the lifting baffle component in different time periods, thereby realizing a series of operations such as compression, opening the discharge port, pushing metal, and closing the discharge port, thereby greatly improving the efficiency of pig iron reduction and improving the efficiency of recycling and reusing waste metal from the bed frame.

This invention discloses a simulation device for compression-torsion and tension-torsion tectonic systems, relating to the field of petroleum and natural gas geology. The invention includes a support platform and several plexiglass rods arranged side-by-side on the support platform. Longitudinal constraint components are arranged on the front and rear sides of each plexiglass rod, and transverse constraint components are arranged on the front and rear sides of each plexiglass rod. The longitudinal and transverse constraint components form a deformable parallelogram constraint component. A longitudinal drive mechanism is provided on the support platform to drive the parallelogram constraint component and induce longitudinal deformation of the plexiglass rods. A transverse compression mechanism is also provided on the support platform to laterally compress the plexiglass rods. This invention has the advantages of simple structure, reasonable design, and the ability to accurately simulate compression-torsion and tension-torsion tectonic systems within a craton through the longitudinal drive mechanism and transverse compression mechanism, thus solving the problem of the inability to simulate strike-slip fracture systems within a craton.

The invention relates to the technical field of curtain sliding rails, in particular to a low-temperature-resistant elastic coupling type cold-resistant curtain rail structure. The device comprises a main body, two arc-shaped pressurizing pieces, a transverse supporting plate, a coupling sliding piece and a coupling sliding piece, the rail body comprises an inner side wall and an outer layer wall, a hollow structure is arranged between the inner side wall and the outer layer wall, the two arc-shaped pressurizing pieces are arranged on the inner side of an opening of the rail body and extend in the axial direction of the rail body, and one end of the transverse supporting plate is connected with the inner side wall of the rail body. The other end of the transverse supporting plate extends and penetrates through one of the arc-shaped pressurizing pieces, the coupling sliding piece is arranged between the two arc-shaped pressurizing pieces, and through cooperation of an elastic coupling rod (a corrugated pipe and a spring) and a conical side wheel face, transverse extrusion pressure generated by track contraction is converted into force for driving the coupling piece to stretch in the longitudinal direction. And therefore, the contraction size of the track is actively compensated, and jamming is fundamentally avoided.

The application provides a double-mode RDF forming device, which comprises a ring die, a rotating shaft assembly and a transverse compression roller; the bottom of the ring die is provided with a raw material collecting die; the raw material collecting die comprises a collecting groove, and the bottom of the collecting groove is provided with a longitudinal forming hole; the side of the rotating shaft assembly is movably connected with a plurality of longitudinal compression rollers; when the rotating shaft assembly rotates, the transverse compression roller revolves along the inner side wall of the ring die, so that the raw material is compressed into the transverse forming hole; the longitudinal compression roller is simultaneously driven to revolve along the collecting groove, so that the accumulated raw material is compressed into the longitudinal forming hole; the bottom of the raw material collecting die is provided with a bevel gear, the side of the longitudinal compression roller close to the rotating shaft assembly is provided with a proximal bevel gear part, the bevel gear is engaged with the proximal bevel gear part, so that the longitudinal compression roller revolves along the collecting groove while rotating; the side of the longitudinal compression roller away from the rotating shaft assembly is provided with a distal bevel gear part, the lower end surface of the transverse compression roller is provided with a driving bevel gear part, and the distal bevel gear part is engaged with the driving bevel gear part, so that the transverse compression roller revolves along the inner side wall of the ring die while rotating.

The application discloses a kind of based on horseshoe-shaped microstructure three-dimensional flexible metamaterial impact injury protective pad, purpose is to solve the problem of explosion impact injury and blunt injury behind bulletproof vest, avoid stress wave in acoustic impedance mismatch interface multiple reflection transmission to human body cause harm.The present application is by the lower hexahedron, the first upper end hexahedron, the middle hexahedron, the second upper end hexahedron Irregular cuboid consisting of.N hexahedral horseshoe-shaped microstructure unit is arranged by space array mode and is connected by the vertex connection of hexahedral horseshoe-shaped microstructure unit.It is composed of 12 solid curved rods by the end point connection of solid curved rod, and the solid curved rod is connected by two center-symmetrical bending cylinders;The present application can produce longitudinal tensile and transverse compression deformation simultaneously, effectively limit internal local damage collapse, meet wearable demand, while taking into account buffering and energy absorption characteristics, can effectively protect explosion impact injury and blunt injury behind bulletproof vest.

The invention relates to the technical field of bridge seismic resistance, in particular to a double-energy-consumption seismic damper which comprises a positive Poisson's ratio energy consumption component and a shearing energy consumption module which are installed between the pier side and the beam bottom of a bridge, the two sides of the positive Poisson's ratio energy consumption component are fixedly connected with the pier side and the beam bottom respectively, and the shearing energy consumption module is fixedly connected with the beam bottom. A linkage triggering mechanism is arranged between the positive Poisson's ratio energy consumption component and the shearing energy consumption module, when the transverse compression amount of the positive Poisson's ratio energy consumption component does not reach a preset threshold value, the positive Poisson's ratio energy consumption component and the shearing energy consumption module are kept in a separated state, and when the transverse compression amount of the positive Poisson's ratio energy consumption component reaches the preset threshold value, the shearing energy consumption module is kept in a separated state. The positive Poisson's ratio energy consumption component drives the shear energy consumption module to perform shear energy consumption through the linkage triggering mechanism; the positive Poisson's ratio energy consumption component, the shearing energy consumption module and the linkage triggering mechanism are made of steel. The damper realizes dual energy consumption through combination of the positive Poisson's ratio material and the frame structure, and is simple in structure, stable in energy consumption and wide in application range.

A machine (M) folds a paper sheet (P) around an article to obtain a sheet tube (TB) containing the article. The machine (M) comprises compression and cutting means (7) for transversally compressing and cutting the sheet tube (TB) in front of and behind the sheet tube (TB) containing the articles in order to obtain an envelope containing the respective articles. The machine (M) comprises a first adhesive material application device (20) for applying transverse adhesive material strips (S) between which the article is to be placed on the central portion (PC) of the sheet (P), where the first adhesive material application device (20) is also operable when the width of the article is less than the width of the central portion (PC) of the sheet (P), and where the first adhesive material application device (20) is operable when the width of the article is less than the width of the central portion (PC) of the sheet (P). And applying a longitudinal strip of adhesive material (L) on the central portion (PC) of the sheet (P), the distance between the longitudinal strip of adhesive material and the first reference edge (PC1) of the central portion (PC) being at least equal to the article width. The machine (M) comprises an auxiliary compression and cutting unit (71) for longitudinally compressing and cutting the sheet tube (TB) at the longitudinal strip (L) of adhesive material to obtain an envelope having a width substantially consistent with the width of the article packed within the envelope.

The invention relates to a system for realizing a luminaire 100 which is elongated in a longitudinal direction X. The system comprises a plurality of support rails 1, 10 which are elongated in the longitudinal direction X and designed to receive mounting bodies 6 equipped with lighting means and which have a U-shaped cross-section, each of which has a support rail base 11 extending in a transverse direction Y between two support rail side walls 12 and an open side opposite the support rail base 11 in a vertical direction Z, wherein the system comprises a coupling 2 which has a coupling body with a U-shaped cross-section which is formed by a coupling base 21 and two coupling side walls 22, wherein each of the support rails 1, 10 has a guide for the coupling 2 which is formed at least partially by its support rail side walls 12.The coupling 2 has a transverse coupling projection 23 extending within the second longitudinal section, which is spaced from the second longitudinal end and which, in the operating state, presses transversely against a transverse guide section of the second longitudinal end section of the guide of the second support rail 10, thereby producing a transverse compression of the coupling 2 relative to the second support rail 10.

The utility model relates to the field of film production, and provides a tape casting on-line automatic adjusting device which comprises a shell, an adjusting structure is installed in the shell, and the adjusting structure comprises a sliding rod, a positive and negative lead screw, a first gear, a first synchronous belt, a first servo motor, a compression roller, a second gear, a second synchronous belt and a second servo motor. And the sliding rods penetrate through the interior of the shell, forward and reverse screw rods penetrate through the interiors of the sliding rods, and first gears are installed on one sides of the forward and reverse screw rods. By arranging the adjusting structure, the distance between the transverse compression rollers can be adjusted through rotation of the positive and negative lead screws, when a second servo motor rotates, the two vertical compression rollers are driven to rotate, a solution is extruded into a thin film through rolling of the two transverse top compression rollers, the two transverse bottom compression rollers are cold rollers, cooling of the thin film can be accelerated, and the production efficiency of the thin film is improved. The tape casting device has the function of adjusting the thickness of a thin film, and the convenience of the tape casting device is improved.

The compact type tunable damping-enhanced vibration damper comprises a hanging tool, a hammer head and a damping enhancing mechanism, the hammer head is in rigid connection with the lower portion of the damping enhancing mechanism, and the hanging tool is movably connected to the upper portion of the damping enhancing mechanism; the damping enhancing mechanism comprises a longitudinal air spring mechanism and a transverse compression spring mechanism, the hammer head is connected with one end of the longitudinal air spring mechanism, and the other end of the longitudinal air spring mechanism is connected with the transverse compression spring mechanism. Telescopic rod damping and air damping are provided, the rigidity and resonant frequency of the whole structure are adjusted, the vibration damper has quasi-zero rigidity or very small positive rigidity, low-frequency and broadband vibration suppression is achieved, the weight of the vibration damper is reduced, the size of the vibration damper is reduced, extra loads on a power transmission line are reduced, and the vibration damper is suitable for the power transmission line sensitive to the loads. The miniaturized design facilitates installation and maintenance, can adapt to various complex installation space environments, and improves the overall practicability of the power transmission line protection equipment.

The invention discloses a high-load-resistant bidirectional locking folding rudder which comprises a folding rudder wing, a rudder wing shaft, a rotating shaft and a torsional spring, the rotating shaft is used for rotationally connecting the folding rudder wing and the rudder wing shaft, the torsional spring is connected between the folding rudder wing and the rudder wing shaft, and the folding rudder wing is unfolded outwards in the free state of the torsional spring; the longitudinal clamping tongue, the longitudinal pressure spring, the transverse clamping tongue and the transverse pressure spring are used for positioning the folding rudder wing and the rudder wing shaft in an unfolded state; when the folding rudder wing is in an unfolded state, the transverse clamping tongue mounting cavity of the rudder wing shaft is aligned with the transverse clamping tongue positioning hole of the folding rudder wing, and the transverse clamping tongue is inserted into the transverse clamping tongue positioning hole under the action of the transverse pressure spring; meanwhile, a longitudinal clamping tongue mounting cavity of the folding rudder wing is aligned with a longitudinal clamping tongue positioning hole of the rudder wing shaft, and a longitudinal clamping tongue is inserted into the longitudinal clamping tongue positioning hole under the action of a longitudinal pressure spring; and the folding rudder wing and the rudder wing shaft are unfolded and locked.

The present invention provides a retractable anchor and support system, relating to the field of mine tunnel protection devices. The retractable anchor comprises a rod body, a sleeve, and an elastic member. The sleeve is mounted on the rod body, and the elastic member is located within the sleeve and fixedly disposed between the inner end of the rod body and the bottom wall of the sleeve. When the retractable anchor is in use, when the rock mass undergoes tensile deformation, the entire anchor extends under the action of the rock mass, allowing the anchor to continue anchoring the deformed rock mass, while the elastic member continuously provides preload during this process. When the rock mass undergoes transverse compression deformation, or when the tensile deformation force applied to the extended anchor decreases, the entire anchor shortens under the combined action of the rock mass and the elastic member, effectively preventing the anchor from breaking or deforming under stress. In other words, the retractable anchor can adapt to various types of rock mass deformation, such as tensile deformation and transverse compression deformation, through its expansion and contraction, and has a wide range of applications and is not susceptible to damage.

This invention discloses a composite material failure prediction method based on Mohr's theory. The method includes: obtaining three basic strength values ​​of the composite material: transverse tensile strength, transverse compressive strength, and longitudinal shear strength; constructing a matrix failure function based on Mohr's theory, assuming that matrix failure is determined by stress components on its potential fracture surface; deriving coefficient relationships through a transverse isoaxial loading assumption, and determining undetermined coefficients through longitudinal shear, transverse compression, and transverse tensile loading; distinguishing between brittle and semi-brittle materials based on the ratio of transverse compressive strength to transverse tensile strength; for a given stress state, calculating the maximum value of the failure function and its corresponding angle, determining whether matrix failure has occurred, and predicting the fracture surface angle. This invention requires only three basic strength values, eliminates the need for empirical parameters, has a unified expression, and is applicable to both brittle thermosetting and semi-brittle thermoplastic composites, exhibiting high prediction accuracy.

The application provides a metal packing method, a controller and a metal packing machine, and relates to the technical field of waste metal processing. The method comprises the following steps: driving a door cover to close a material box; controlling a first compression oil cylinder to push a first compression head to transversely compress material in the direction of the front wall of the material box; controlling a second compression oil cylinder to push a second compression head to longitudinally compress the material between the first compression head and the front wall of the material box; and during the longitudinal compression, the first compression oil cylinder drives the first compression head to retreat for several times, and the first compression head remains stationary in the remaining time. The application can reduce energy loss caused by friction, improve the compression capacity of the metal packing machine, and compress the material more densely.

The long-strip-shaped plant packing device comprises a feeding corridor, a material pressing table, a vertical compression mechanism and a transverse compression mechanism, the vertical compression mechanism and the transverse compression mechanism are installed on the material pressing table, the feeding corridor conducts conveying in the longitudinal direction, and the output end of the feeding corridor is in butt joint with the feeding side of the material pressing table. The vertical compression mechanism is used for vertically compressing materials on the material pressing table, and the transverse compression mechanism is used for transversely compressing the materials on the material pressing table. The long-strip-shaped plant packing device has the advantages that compaction can be carried out in multiple directions, compacted reeds are more convenient to transfer, packing is more complete, and jamming is not prone to occurring.