74 results about "Transverse compression" patented technology

A device for the manual metering of a medical fluid, such as a hardening resin of the bone cement type, comprises a chamber for the fluid to be metered (2, 102) with an end opening (6), a gripping handle (7, 107), a piston (10, 110) which is housed in the chamber (2, 102) and provided with an operating member (12) for a user, and screw-type actuating means (13) arranged in between the operating member (12) and the piston (10) so as to perform the longitudinal movement thereof and pressurise the fluid to be metered. The screw means (13) may be modified so as to change from an operative configuration, where the piston is fed micrometrically, to an inoperative configuration, where the piston may move freely. The screw means (13) comprise an outer thread (14, 114) associated with the piston (10) and a female-thread element (15, 115) formed integrally on the handle (7, 107); the handle may be deformed elastically by means of transverse compression so as to change the screw means (13) from their operative configuration to their inoperative configuration.

The invention discloses a horizontal permeameter suitable for soil horizontal contact surface shearing deformation. The horizontal permeameter comprises a support, a test box arranged on the support, a sample chamber positioned in the test box, a vertical compression oil cylinder arranged on the top board of the test box, a transverse compression oil cylinder arranged on an outer side board of the test box, and an inlet water chamber and an outlet water chamber which are arranged at the two outer ends of the sample chamber along the piston action direction of the vertical compression oil cylinder, the inner side board at a water inlet end is formed by an upper transversely movable part and a lower fixed part, and a transverse compression oil cylinder piston acts on the transversely movable part. The horizontal permeameter can be used for researching the horizontal seepage characteristic and the horizontal contact surface wash destroy of a soil horizontal contact surface or a soil and structure horizontal contact surface under shearing deformation conditions.

The invention relates to lateral compression performance measuring method and device of fibrous material, comprising the parts of fiber lateral cimpression element using pressure head on cantilever beam to lateral compress filament and overlapping fiber sample in multiangular tray, fiber deformation observing parts using two objectives with different direction finish stereo-observation and measurement to compressed fiber, compressive stress measuring elements with deflection correction to put in real time change of stress of pressure head in computer and the deflection correction is to correct vertical compressed displacement by small deflection deflection of cantilever beam when laser reflects measuring compression. By using multiple measurement of stress and conformational change and compact and novel design, lateral compression shape measurement is fast, accurate, overall, its measurement error has decreased greatly and the method is suitable for various kinds of fibrous material.

The invention discloses a yarn fiber reinforced double-layer tubular filtering membrane. The tubular filtering membrane has a double-layer structure, wherein the inner layer is a first polymer membrane, while the outer layer is a second polymer membrane; and yarn fibers distributed in parallel are arranged in the inner layer or the outer layer for mechanically reinforcing the tubular filtering membrane. The tubular filtering membrane provided by the invention is obviously improved in transverse compression resistance and blast resistance as well as membrane safety while having excellent axial mechanical properties; and the tubular filtering membrane with excellent overall performance for external-compression type filtering or internal-compression type filtering by adjusting the distribution positions of the yarn fibers and the double-layer structure and the properties of the membrane. The invention also discloses a method for preparing the tubular filtering membrane; and the two-layer synchronous coextrusion technique is employed, so that the production efficiency of the membrane can be effectively improved and the preparation cost of the tubular filtering membrane can be reduced.

The invention provides a shock-absorbing base, which includes a bottom surface and a side wall. A lower support plate is provided on the upper end of the bottom surface, and the lower support plate and the side wall are connected by a plurality of transverse compression springs; the lower support plate A groove is arranged on the groove, and a lower magnet is arranged on the groove, and the lower support plate is connected with the upper support plate through a longitudinal compression spring, and the upper support plate is connected with the side wall; the lower part of the upper support plate An upper magnet is provided, a gap is provided between the upper magnet and the lower magnet, and the upper magnet and the lower magnet are arranged opposite to each other with the same magnetic poles. The invention can reduce the vibration from the horizontal and vertical directions, and reduce the noise when the equipment is running; it can bear heavy weight, is not easy to break, and has a simple and reasonable structure.

The invention discloses a bridge pier anti-collision protective cylinder with low rigidity and high energy consumption. The anti-collision protective cylinder is of an annular columnar structure formed by connecting 2-4 anti-collision protective sheets through a pin rod system, and the anti-collision protective sheets are independent from each other and can be freely transported, installed, dismantled and replaced, so that maintenance and replacement after vehicle and ship impact are facilitated. The anti-collision protective sheets are filled with negative Poisson ratio cavity modules, so that the anti-collision protective sheets not only have the advantage of small initial rigidity of cavity structures, but also have special mechanical properties of the negative Poisson ratio structure,transverse compression also occurs when longitudinal compression occurs when vehicle and ship impact happens, the cavity structures are collected to an impacted area, local density and lateral rigidity are increased, and damping force and the energy absorption effect can be effectively improved. The protective cylinder has the beneficial effects of small initial rigidity, compression reinforcement, high bearing capacity, high energy consumption and the like. In addition, through the variable thickness design of negative Poisson ratio cavity module pressure-bearing plates, gradient energy consumption and gradient rigidity can be realized, and good buffer adaptability is achieved for vehicle and ship impacts under different impact energies.

The invention relates to a rolling method of the sheet metal and the method comprises the steps of pretreatment and rolling. In the pretreatment step, a transverse compression stress or normal tensile stress is applied on the sheet material before the rolling step to ensure the sheet material to generate plastic strain. In the method of invention, the sheet material is pretreated before rolled, namely the special stress is applied on the sheet material to change the texture orientation of the sheet material, thus weakening or eliminating basal texture and increasing the rolling formability ofthe sheet material to a great extent, namely cracks can not appear under a large reduction. Therefore, the edge cracks of the sheet material which are generated in the rolling process can be reduced,the rolling efficiency can be increased and the production cost can be reduced; and the rolling method is suitable for the rolling of the metals with dense-hexagonal crystal structure such as magnesium alloy, the rolling reduction of magnesium alloy per pass is more than 60%, and the edge cracks can not be generated.

The invention provides a bidirectional compression die, which comprises a moving template, a moving die fixing plate, a fixed template, a fixed die fixing plate, a die cavity block component and a compression block component, wherein the die cavity block component comprises longitudinal die cavity blocks and transverse die cavity blocks; the compression block component comprises a longitudinal compression block and a transverse compression block; and the fixed die fixing plate, the die cavity block component and the compression block component form an enclosed die cavity, and the longitudinal die cavity blocks, the longitudinal compression block, the transverse die cavity blocks and the transverse compression block longitudinally and transversely move relative to each other to change the volume of the die cavity. The invention also provides a bidirectional compression method. According to the bidirectional compression method, the longitudinal die cavity blocks, the longitudinal compression block, the transverse die cavity blocks and the transverse compression block are synchronously operated to change the volume of the die cavity both longitudinally and transversely or only longitudinally or transversely. The volume of the die cavity can be changed in longitudinal and transverse two dimensions simultaneously, and unidirectional or bidirectional compression can be realized according to needs to meet the higher compression requirements of a product.

The invention relates to a modified master batch used in a multifunctional agricultural greenhouse, which is made by activating, stirring, mixing and screening polyolefin, sericite, a light stabilizer, a heat stabilizer, an antioxidant, an anti-flow-dripping agent and a dispersant. The modified master batch of the invention can improve the tensile strength of plastics, strengthen the toughness of products and resist aging and cracking. As to reinforced thermoplasticity plastics, the modified master batch is characterized by high strength, large filling volume, good acid-base corrosion resistance, penetration and dielectric property, low thermal expansion coefficient and flammability, short period of transverse compression, planar enhancement, low abrasion and low wear of processing equipment; as to reinforced thermosetting plastics, the modified master batch has good dielectric property, good size stability, improved hardness and heat distortion temperature as well as good penetration and insulation. In addition, the modified master batch also has good dissolubility and can be compatible with a great deal of fillers such as talcum powder, calcium carbonate, etc.

The invention relates to the technical field related to a heat pump water heater unit, in particular to a shock absorption base of the heat pump water heater unit. The shock absorption base comprisesa bottom plate, the top of the bottom plate is provided with a groove, the left and right sides of the groove are provided with spring mounting grooves, a sliding rod is arranged in the groove, two sets of sliding sleeves are arranged on the sliding rods in a sleeving manner, a transverse compression spring is arranged between the two sets of sliding sleeves, the transverse compression spring is arranged on the outer side of the sliding rod in a sleeving manner, connecting rods are movably connected to the tops of the sliding sleeves, top frames are movably connected to the tops of the connecting rods, and fixing bases are arranged inside the top frames. The shock absorption base is novel in design and strong in shock absorbing property, the shock absorbing base can conduct comprehensive shock absorbing and buffer on an engine, vibration generated by the engine during running and transmitted to a to-be-installed area of a heat pump water heater and other parts of the heat pump water heater unit is reduced, resonance is avoided, the comfort of the heat pump water heater unit during driving is improved, the risk of engine vibration damage is effectively reduced, and the shock absorption base is suitable for use and popularization.

The invention discloses a car floor welding tool of a rail vehicle. The car floor welding tool of the rail vehicle comprises a platform support, straight guide rails, a driving compression support, a driven compression support, floor support blocks, driving transverse compression heads, driven transverse compression heads, rotation vertical hydraulic pressure arms and a hydraulic pressure driving mechanism. Through the car floor welding tool of the rail vehicle, actions of the driving transverse compression heads for compressing floors transversely and the rotation vertical hydraulic pressure arms for compressing the floors vertically are controlled by a hydraulic pressure system; compression and loosening are finished automatically; the time for clamping is short, so that the working efficiency can be greatly improved; transverse compression forces applied by the driving transverse compression heads to the floors are the same, and the vertical compression forces applied by the rotation vertical hydraulic pressure arms to the floors are also the same, so that the stress deformation of the floors can be alleviated, and the welding quality can be improved; the positions of the driving compression support, the driven compression support and the floor support blocks can be adjusted, and thus the tool is capable of clamping car floors with different specifications and good in adaptability; the tool cost can be reduced.

The invention provides a filtering device capable of automatic cleaning. The filtering device comprises a conveying pipeline, a filter screen, a spray washing pipe and a spray washing head, wherein the upper end of the conveying pipeline is provided with a liquid inlet; the outer wall of the conveying pipeline is provided with a sewage outlet; the filter screen is arranged above the sewage outlet;the edge of the filter screen is tightly connected with the inner wall of the conveying pipeline; the bottom of the filter screen is provided with a transverse compression spring; the other end of the compression spring is fixed on the inner wall of the conveying pipeline; the spray washing pipe is arranged on the inner wall of the conveying pipeline and extends downwards along the inner wall ofthe conveying pipeline; the topend of the spray washing pipe is provided with a cover for sealing the spray washing pipe; the cover is hinged to the pipe wall of the spray washing pipe; and the bottomend of the spray washing pipe is provided with the spray washing head. The filtering device capable of automatic cleaning, provided by the invention, solves the problem that filtering holes are blocked and difficult to clean due to excessive impurities on the filter screen, omits a step of taking out the filter screen, improves the working efficiency, and has the advantages of simple structure and convenience in operation.

The invention relates to a mechanism for shaping and boxing a plastic glove, and belongs to the field of mechanical equipment. The mechanism comprises a base, a mounting platform and a glove placing plate, wherein the glove placing plate is arranged on the mounting platform; transverse compression plates are arranged on the two sides of the glove placing plate respectively; transverse driving devices are connected with the side surfaces of the transverse compression plates; a longitudinal pushing plate is connected with one end of the glove placing plate; a boxing pushing plate is arranged on one side of the longitudinal pushing plate; the longitudinal pushing plate and the boxing pushing plate are connected with a longitudinal driving device respectively; a vertical pushing plate is arranged at the upper part of the glove placing plate, and is connected with a vertical driving cylinder; the vertical driving cylinder is arranged on a bracket in a sliding manner in the longitudinal direction; the bracket is arranged on the mounting platform. The mechanism has the advantages that automatically shaping and boxing of the glove are realized; the shaping effect is excellent; the boxing efficiency is high; the mechanism can be arranged on the glove producing and processing assembly line in a matching manner; the automatic production is realized; the labor intensity of workers are greatly reduced; the production efficiency is improved; the production cost is reduced; the mechanism facilitates the expansion of production scale of an enterprise.

The invention discloses a calculation method of ultimate moment resistance and moment-rotation relation for steel beam to concrete-filled steel tube column connections with bidirectional bolts, wherein the calculation method as follows: calculate ultimate moment resistance values of the connection for different failure modes, i.e. yielding of the endplate or T-stub in bending, failure of bolts in tension, failure of column in transverse compression, failure of panel zone in shear, and yielding of the steel beam in bending; the smallest one in the five ultimate moment resistance values is taken as the ultimate moment resistance of the connection; obtain the initial rotational stiffness of the connection by the test, simulation or theoretical calculation; then, the moment-rotation curve of the connection is obtained by substituting the initial rotational stiffness and the ultimate moment resistance into the proposed exponential model for the moment-rotation relation.

A bio-mechanical impact test table comprises a control system, a transverse impact system and a longitudinal impact system. The transverse impact system comprises a transverse motor, a transverse ball screw, a transverse compression spring, a front slide table, a rear slide table, a transverse impact head, a transverse guide rail and a lifting worktable; the longitudinal impact system comprises a longitudinal motor, a longitudinal ball screw, a longitudinal electromagnetic hasp, a longitudinal compression spring, an upper slide table, a lower slide table and a longitudinal impact head. During test, an impacted object is fixed on the worktable according to different impact parts, and the front slide table or the lower slide table can impact horizontally or vertically under the action of elasticity of the springs after controllable connection is disconnected. The bio-mechanical impact test table can complete impact test of different body parts, motion parameters can be captured being combined with a kinematic measuring device during impact, and original kinematic and dynamic data can be comprehensively, completely and effectively acquired during impact.

The invention discloses a magnetic suspension door and window for a building structure. The magnetic suspension door and window are characterized by comprising a frame, a door and window body and a supporting unit; the frame is used for being fixed to the building structure, the door and window body comprises at least one covering material, an excitation array is arranged between the frame and the door and window body and comprises a first excitation unit and a second excitation unit, the first excitation unit is fixed to the frame body, the second excitation unit is fixed to the door and window body, and longitudinal stretching resistance and transverse compression resistance are generated between the first excitation unit and the second excitation unit.

The invention discloses an aquaculture garbage collection device, and relates to the technical field of aquaculture equipment. The device comprises a main body, the bottom of the main body is providedwith water leakage holes, the main body is slidably connected with two transverse compression arms, the transverse compression arms are in threaded connection with a threaded rod, the middle positionof the threaded rod is fixedly connected with a second gear, the second gear is meshed with a first gear, the first gear is fixedly connected to a first rotating shaft, the first rotating shaft is fixedly connected with a transverse compression motor, the transverse compression motor is fixedly connected to the main body, two lifting platforms are fixedly connected to the main body, and an upperand lower compression motor is fixedly connected to the interiors of the lifting platforms, the up-down compression motor is fixedly connected with a lead screw, the lead screw is connected with a longitudinal compression arm through a ball screw mechanism, and the longitudinal compression arm is slidably connected to the lifting platforms. According to the device, by arranging a set of compression device, redundant water in garbage is compressed out, and the problem that the collection efficiency is reduced due to the water content of the garbage is solved.

The invention relates to a reinforcing material paving layer structure for composite material pultrusion profiles. The paving layer is divided into five layers, wherein the first layer, the third layer and the fifth layer are glass fiber fabric layer; the second layer and the fourth layer are glass fiber rough yarn layer; fabrics of which glass fibers are in three axial directions including a direction of +45 degrees, a direction of 90 degrees and a direction of -45 degrees exist in at least one of the three glass fiber fabric layers; the thickness range of the fabric is 0.2-0.5 mm; and the thicknesses of the glass fiber rough yarns in the two glass fiber rough yarn layers can be the same or different. The composite material pultrusion profiles manufactured by the reinforcing material paving layer structure has balanced longitudinal and transverse comprehensive mechanical properties, and particularly, the pultrusion profiles have good transverse bending strength, transverse compression strength and shear capacity to meet requirements of target engineering components or building structures to properties of the composite material pultrusion profiles.

The invention relates to a processing technology of decorative holes of a honeycomb board, which is characterized in that the processing technology comprises the following steps: step 1) cutting and opening holes: cutting a top board, a cellular tubular support part and a bottom board in the honeycomb board, and forming through holes in the honeycomb board; step 2) sealing and sheltering: using a surrounding board or a sleeve for sealing and sheltering inner side walls of the through holes; and step 3) gluing and fixing: using the gluing technology for fixing and sealing seams between the surrounding board or the sleeve and the top board, the bottom board and the cellular tubular support part. As the surrounding board is arranged, and the transverse compression is carried out on the cellular tubular support part from the hole-opening parts of the honeycomb board, the surrounding board and the exposed cellular tubular support part can be in close fitting, and all the inner side walls of rectangular, triangular and other-shaped through holes with right-angle sides can be completely sheltered; as the top board is punched to be in the shape of an arc, the top board can be nested with the upper part of the set single sleeve; and the bottom board is further reamed, thereby leading the single sleeve to be in close fitting with the top board and the bottom board and blocking the inner side walls of the circular through holes.

The invention provides a clamping device for assisting in erecting a wire cable. The clamping device comprises a clamping device pedestal, two wire cable support plates are sequentially arranged at central positions of an upper surface of the clamping device pedestal, two sides of each wire cable support plate are provided with a slide rail assembly which is fixed on the clamping device pedestal,a slidable drive plate is mounted on each slide rail assembly, three drive heads are sequentially arranged on each drive plate, outer ends of two drive plates are connected by a connecting horizontalplate, a rope ring for installing a steel wire rope is arranged on the connecting horizontal plate, a detachable clamping assembly is further mounted on the clamping device pedestal, the clamping assembly comprises a movable arm provided with a transverse compression roller, the movable arm is driven via the drive heads to rotate so as to enable the transverse compression roller to cooperate withthe wire cable supporting plates to realize wire cable clamping. The clamping device disclosed in the invention is advantaged by simple structure, capability of assisting in rapid and labor-saving erection of the wire cable, reduction of labor intensity, improvement of work efficiency, and special suitability for use in remote locations where general machinery equipment is hard to employ.

A bridge replacement method is disclosed. The bridge includes a deck supported by a pair of abutments, each abutment having wing walls. The deck is removed, footings are cast in holes dug behind each abutment and a pier is provided on each footing. Substantially parallel and coplanar cambered beams are provided. Each beam spans between and is supported by the piers. A brace assembly reinforces the beam camber. On each adjacent pair of beams, precast deck elements are placed, such that each element of said plurality spans the beam pair, to define at least transverse gaps between the elements and put the upper surfaces of the elements in compression in a transverse direction. The gaps are grouted. After grout curing, the brace is adjusted to reduce the beam camber and cause the upper surface of the elements to also be put into compression in a direction parallel to the beams.

The invention provides a woodworking machine, belongs to the technical field of machining equipment and solves the problem that an existing woodworking machine is relatively poor in stability of positioning irregular shape workpieces. The woodworking machine comprises a rack and a cross beam fixed to the rack. A processing assembly is arranged on the cross beam, a processing platform is slidably arranged on the rack in the horizontal direction, three-dimensional translation is formed between the processing assembly and the processing platform, a plurality of transverse compression rollers capable of lifting are further horizontally arranged on the rack, the transverse compression rollers are arranged in the moving platform of the processing platform, longitudinal compression rollers whichare horizontally arranged and are capable of lifting are connected to the cross beam, the longitudinal compression rollers and the transverse compression rollers are arranged vertically, and the longitudinal compression rollers can descend to a placed between adjacent two transverse compression rollers. The woodworking machine is higher in stability of positioning the irregular shape workpieces.

The invention discloses a test device for applying a bidirectional compression load, which comprises a test device frame, an axial compression and force measurement assembly, a transverse compression assembly, a test piece assembly and an upper platform and leveling assembly; the test device frame provides mounting positions for the axial compression and force measurement assembly and the upper platform and leveling assembly; thetest device frame, the axial compression and force measurement assembly and the upper platform and leveling assembly form a self-balancing device; the axial compression and force measurement assembly and the transverse compression assembly are respectively arranged in two directions of the test piece assembly to provide a bidirectional compression load; the upper platform and leveling assembly is arranged above the test piece assembly and at the top of the test device frame and is used as an upper compression platform capable of being leveled; during a test, bidirectional load application is realized through expansion and contraction of actuating cylinders in the axial compression and force measurement assembly and the transverse compression assembly. The test device provided by the invention can be used for carrying out a one-way compression or two-way compression load test on a structural member level test piece, and a test basis is provided for research on two-way compression of the structural member.

There is disclosed a heater unit (1600) for conductively heating a removable heat exchanger unit (1602) via a heat transfer surface of the heat exchanger unit, the heater unit comprising: a body portion (1610) for receiving the heat exchanger unit (1602); a flexible heating element (1604) which, in use, makes thermal contact with the heat transfer surface of the heat exchanger unit; a compressible portion (1606) disposed on the distal side of the flexible heating element (1604) relative to the heat exchanger unit (1602) when received; and a biasing arrangement (1608) operable, in use, to distribute a transverse compression force across the arrangement formed from the compressible portion (1606), the heating element (1604) and the heat exchanger unit (1602), whereby the compression force causes the heating element (1604) to be urged towards the heat transfer surface of the heat exchanger unit (1602) and the compressible portion, in conjunction with the compression force, causes the heating element (1604) to conform more closely to the shape of the heat transfer surface.

The invention discloses a steel friction hinge energy dissipation straining beam structure for double column piers. The steel friction hinge energy dissipation straining beam structure comprises a cross beam arranged between two pier stand columns, the two ends of the cross beam are connected to the outer walls of the two vertically-arranged pier stand columns through steel sleeves and lug beams correspondingly, and the outer walls of the pier stand columns are sleeved with the steel sleeves through shear-resistant welding studs; one end of the lug beam is welded outside the steel sleeve, and the other end is connected with the cross beam through pressure applied by the prestressed reinforcement to form a steel friction hinge structure. The invention further discloses a construction method of the steel friction hinge energy dissipation straining beam structure for the double column piers. According to the steel friction hinge energy dissipation straining beam structure for the double column piers and the construction method thereof, the structure is simple and practical, the transverse compression resistance stability and transverse rigidity of the double column piers can be improved, earthquake input energy is absorbed through plasticity of the straining beam, meanwhile, residual deformation of the straining beam is reduced through superelasticity of the shape memory alloy, and the straining beam with residual deformation after the earthquake is convenient to repair.

The invention relates to the technical on-site of metal machining, and discloses a metal debris treatment device for machining. The metal debris treatment device for machining comprises a compressionbox. An overturning mechanism is mounted on one side of the compression box. A vertical compression mechanism is embedded in the other side of the compression box. A transverse compression mechanism is embedded in the front end of the compression box. A sealing mechanism is rotationally connected to the inner side of the upper end of the compression box. According to the metal debris treatment device for machining, a sealing plate is driven by a sealing hydraulic cylinder of the sealing mechanism to rotate, and the metal debris can be arranged in the compression box in a press-fit manner; themetal debris can be compressed to an overturning plate of the overturning mechanism through mutual cooperation of the vertical compression mechanism and the transverse compression mechanism, the overturning plate is driven to rotate through an overturning hydraulic cylinder of the overturning mechanism, a compressed metal pressing block can be directly overturned out of the compression box, the next metal pressing block can be manufactured conveniently, the operation is convenient, the size of the equipment is small, the labor amount of a user is small, and the machining efficiency is high.

The invention belongs to the field of tire component production, is applied to tire blank forming engineering, and particularly relates to an improvement method for ensuring reasonable material distribution of a tire bead bottom. The method comprises the following steps of calculating a thickness of the tire bead bottom and a thickness of a tire bead transverse material according to material distribution of a tire blank bead opening part; comparing the thickness of the tire bead bottom and the thickness of the tire bead transverse material with a finished tire material distribution thickness theoretical value; calculating a tire bead bottom compression ratio and a tire bead transverse compression ratio; determining whether the tire bead bottom compression ratio and the tire bead transverse compression ratio meet tire bead part design size requirements or not; if yes, determining that a fan-shaped block curve design is reasonable; and if not, redesigning a fan-shaped block curve. According to the method, reasonable distribution of the finished tire bead part material is ensured, the quality problems of large edge of a tire bead seam allowance and the like are avoided, and meanwhile, the quality problems of laddering explosion and the like caused by excessive glue stored at the tire bead bottom are also reduced.

The invention relates to the technical field of machine tools, in particular to a machine tool cutting chip two-way compression device comprising a compression box, a transverse compression mechanismand a longitudinal compression mechanism. The transverse compression mechanism comprises a transverse power device and a transverse pressing plate. The longitudinal compression mechanism comprises a longitudinal power device, a longitudinal pressing plate, a movable plate and a first spring. The movable plate is horizontally arranged on the longitudinal pressing plate in a sliding manner. According to the machine tool cutting chip two-way compression device, the movable plate and the first spring are arranged on the longitudinal pressing plate; when metal cutting chips in a compression cavityare compressed leftwards through the transverse pressing plate, the movable plate of the longitudinal pressing plate keeps making contact with the transverse pressing plate all the time, it is avoidedthat the metal cutting chips leak from the portion between the transverse pressing plate and the longitudinal pressing plate, the longitudinal pressing plate and the transverse pressing plate can conduct compression at the same time, and the compression efficiency can be improved; and the strip-shaped metal cutting chips in the compression cavity can be compressed into regular integral cutting chip block structures, and therefore the stacking volume of the strip-shaped metal cutting chips is reduced, and cost of transporting and warehousing is reduced.

The invention relates to a method and a device for measuring transverse compressive properties of fiber materials. There is a fiber transverse compression part, which uses the indenter on the cantilever beam to perform transverse compression on the single fiber or overlapping fiber samples in the polygonal disk; the fiber deformation observation part uses the objective lens settings in two directions to perform stereoscopic observation and measurement of the compressed fiber The compression stress measuring part with deflection correction inputs the stress change of the indenter into the calculator in real time during the compression process, and the deflection correction is to correct the vertical compression displacement by measuring the small deflection angular displacement of the cantilever beam during compression by laser small-angle reflection quantity. Since the compression measurement method of the present invention adopts combined in-situ measurement of stress and shape changes and compact and ingenious mechanism design, the measurement of fiber transverse compression shape is fast, accurate and comprehensive, and the measurement error is greatly reduced, which is suitable for various fiber materials.

The invention discloses a general clamp for cavity milling in a thin cover plate, and relates to the field of machining of structural parts. The general clamp for cavity milling in the thin cover plate comprises a positioning base board and a movable compression module; the positioning base board comprises working base face on the upper surface and two strip-shaped through grooves in the two sidesof the length direction separately; the strip-shaped through grooves extend in the width direction and are through in the thickness direction; the movable compression module comprises at least two transverse compression devices composed of transverse pressing bars and locking mechanisms; and the transverse pressing bars make the thin cover plate abut against the working base face through the locking mechanisms with the two ends locked with the strip-shaped through grooves. The general clamp for cavity milling in the thin cover plate mainly solves the problems that clamping difficulty is largeand efficiency is low when a cavity is milled in the thin cover plate on a machining center.