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36 results about "Square face" patented technology
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Facial contours, as viewed from the front, show a broad upper face/cranium and lower face/mandible, creating a square appearance. [pmid:19125436]
Polygon mirror drive motor
A polygon mirror drive motor according to the present invention comprises a stator and a rotor having a hexahedron-shaped polygon mirror and a rotation drive shaft. The polygon mirror in one preferred mode is comprised of two square faces that are parallel with each other and orthogonal to said rotation drive shaft, the two square faces having each a center hole in which said rotation drive shaft is inserted, and four mirror facets that are parallel with said rotation drive shaft. In the polygon mirror, a value of D / L is preferably in a range of from 0.37 to 0.41 where D is a diameter of said center hole and L is an edge length of said two square faces.
Owner:RAKUTEN GRP INC
Preparation method of high heat conductive and hight temperature resistant corrugated ceramic-based heat exchanger chip
The invention discloses a preparation method of a high heat conductive and hight temperature resistant corrugated ceramic-based heat exchanger chip. The method comprises the following steps of: first, impregnating a ceramic fiber paper in a sizing agent; carrying out hot-press forming on the ceramic fiber paper by using a corrugated paper machine so as to obtain a single-face corrugated paper; bonding the single-face corrugated paper with the flat-plate ceramic fiber paper impregnated by the sizing agent so as to obtain a double-face corrugated paper; cutting the double-face corrugated paper into square shapes with same sizes; and then overlapping the squares with each other along the square face according to a corrugated paper passage of 90 degrees; bonding the squares with each other soas to obtain the corrugated ceramic-based heat exchanger chip; curing, bonding and sintering the corrugated ceramic-based heat exchanger chip; naturally cooling the corrugated ceramic-based heat exchanger chip to room temperature; impregnating the chip into a suspension consisting of silica gel and a high heat conductive inorganic filler; impregnating, depositing and taking out the chip; drying the chip after blowing the liquid; and drying the chip so as to obtain the high heat conductive and hight temperature resistant corrugated ceramic-based heat exchanger chip. According to the invention,by using the overlapped honeycomb structure, the heat exchanging area of the heat exchanger unit volume is increased, no inference is caused between the heat exchanging passages so that clean heat exchanging airflow is obtained to get the characteristics of heat exchanging continuity, compact structure and the like.
Owner:SOUTH CHINA UNIV OF TECH
Free forging process for large cross forged pieces
ActiveCN104438997AGuaranteed fibrous technical requirementsReduce weightMetal-working apparatusIngotNotching
The invention provides a free forging process for large cross forged pieces. The process includes the specific steps that first, steel ingots are forced into eight-square-face forged blanks, and the eight side faces of each eight-square-face forged blank are the first side face, the second side face, the third side face, the fourth side face, the fifth side face, the sixth side face, the seventh side face and the eighth side face in sequence; second, two anvil blocks are used for forging and pressing the eight-square-face forged blanks, each anvil block comprises three working faces which are connected in sequence to be arranged in the shape of ')' as a whole, every two working faces located on the two sides are perpendicular to each other, the two anvil blocks are used for forging and pressing the first side faces and the fifth side faces of the eight-square-face forged blanks respectively so that the first side faces and the fifth side faces can be concave downwards to form notches shaped like ')', the forged pieces penetrate through the notches shaped like ')' in the thickness direction, the two anvil blocks are used for forging and pressing the third side faces and the seventh side faces of the eight-square-face forged blanks respectively so that the third side faces and the seventh side faces can be concave downwards to form notches shaped like ')', and the forged pieces penetrate through the notches shaped like ')' in the thickness direction; third, the forged pieces are subjected to finishing so that forging can be completed.
Owner:TONGYU HEAVY IND
Polygon mirror drive motor
ActiveUS7118233B2Improve accuracyImage quality of the picture produced on paperMirrorsMountingsDrive shaftDrive motor
Owner:RAKUTEN GRP INC
Laser mirror assembly
ActiveCN102096173AGuaranteed accuracyImprove dimming efficiencyMountingsLaser beam welding apparatusLight beamEngineering
The invention relates to a laser mirror assembly. The laser mirror assembly is convenient in adjustment and detection and can realize online detection and debugging. The laser mirror assembly comprises a triangle-shaped and hollow seat body, two adjacent square faces of the seat body are respectively provided with large light holes, the back of the seat body is provided with a mounting hole, the laser mirror assembly also comprises an adjusting assembly which is coaxially and adjustably connected with the mounting hole and a mounting assembly which is connected with the adjusting assembly in a dismountable way; and a lens is fixedly connected in the mounting assembly. In the invention, the adjusting assembly and the mounting assembly are arranged, and the two assemblies are in splittable connecting structures, thus mounting can be directly carried out, the assembly can be polished and polishing test can be carried out only by separating the mounting assembly from the adjusting assembly when the lens is required to be dismounted to be polished during the debugging, replacing and maintenance processes. In the polishing test process, the adjusting assembly is adjusted. After positioning is finished, the mounting assembly provided with a lens is connected, thus the position and angle of a reflected beam mirror surface are not changed after a new lens is mounted and a light path can be directly put into use without adjusting after the new lens is replaced.
Owner:江苏扬力数控机床有限公司
Integrated insulin storage treatment trolley
InactiveCN105769490AAvoid stabbingEnsure safetyInfusion needlesNursing accommodationInsulin injectionEngineering
An integrated insulin storage treatment trolley comprises a cabinet type trolley (1), wherein a plurality of lockable drawers (8, 9 and 10) are arranged in the front of the trolley, a needle removal frame (5) is fixed on a table board (13) of the trolley and comprises a square face plate (14) and four support legs (15), the face plate is fixed with the table board of the trolley through the four support legs, a hole (16) is formed in the center of the face plate, a caliper (17) is fixed on the face plate, and a jaw of the caliper is located above the hole in the center of the face plate. The integrated insulin storage treatment trolley has the advantages that insulin pens can be stored in the drawers and are locked when not used, so that safety is guaranteed; needles can be removed by the caliper on the needle removal frame after injection of insulin, fall into a sharp tool box below the needle removal frame and can be prevented from stabbing an operator.
Owner:JIAXING NO 1 HOSPITAL
Current sensor framework applicable to square face-to-face plugging magnetic cores
ActiveCN104931756AReduced risk of short circuitsImprove reliabilityElectrical measurementsAnti jammingPower flow
The invention discloses a current sensor framework applicable to square face-to-face plugging magnetic cores. One framework is designed into an 'L' shape to enable a coil to be wound in a non face-to-face plugging part and at the air gap side, which greatly increases the application range of square face-to-face plugging magnetic cores. U-shaped grooves are machined in the two ends of a square frame of a first framework to reinforce a magnetic core, and the horizontal part of the frame body is machined into a ladder shape and is in butt joint with the upper side walls of the U-shaped grooves. Therefore, the coverage area of the frame body to the magnetic core is extended, the short-circuit risk of the coil is reduced, and the reliability, consistency and anti-jamming capability of finished induction coils are improved.
Owner:SHANDONG INST OF AEROSPACE ELECTRONICS TECH
Method of describing and querying geographical position
A method for describing and inquiring geographical position includes utilizing mesh output boundary of computer to form similar map for reflecting geographical position of entity space by feature text information integrated with element of line section, unit line, dot, square face, etc; using computer to make access of map data processing centre on network for achieving inquiry and storage of similar map information and using mobile computer to transmit similar map by short message SMS or EMS or MMS.
Owner:肖宁
High-transmission terahertz phase shifter based on metamaterials
ActiveCN108281737APhase shiftingSimple structureWaveguide type devicesAntennasSplit ringDielectric layer
The invention discloses a high-transmission terahertz phase shifter based on metamaterials. The high-transmission terahertz phase shifter comprises a silicon-based bottom layer, three split-ring-freeresonant structure layers and four BCB (benzocyclobutene) material dielectric layers, wherein the first BCB material dielectric layer is attached onto the silicon-based bottom layer, and the first split-ring-free resonant structure layer, the second BCB material dielectric layer, the second split-ring-free resonant structure layer, the third BCB material dielectric layer, the third split-ring-freeresonant structure layer and the fourth BCB material dielectric layer are sequentially arranged on the first BCB material dielectric layer. Each split-ring-free resonant structure layer is clamped bytwo BCB material dielectric layers to form a sandwiched structure, each split-ring-free resonant structure layer is formed by cutting out four 2*2 unfilled corner squares in array distribution from an aluminum film, the four unfilled corner squares penetrate the aluminum film, and one unfilled corner side of each square faces the center of the aluminum film. The high-transmission terahertz phaseshifter shifts phases of terahertz waves and has the advantages of simple structure, low loss, simple design principle and the like.
Owner:CHINA JILIANG UNIV
Distribution box constant temperature and humidity integrated temperature control equipment
InactiveCN109489137ATo achieve the effect of constant temperature and humidityData real-time monitoringMechanical apparatusCompression machines with non-reversible cycleTemperature controlProcess engineering
The invention discloses distribution box constant temperature and humidity integrated temperature control equipment. The equipment comprises a device body, a refrigerating system, a heating system, adehumidifying system, a humidifying system and a controller. The device body is of a square structure. Four cabinet doors are arranged on one side of a square face and mounted on the device body in ahinged mode. Handles are arranged on the cabinet doors correspondingly. Control buttons and a display screen are arranged on one cabinet door above. Four cavities corresponding to the four cabinet doors are formed in the device body and are internally provided with the refrigerating system, the heating system, the dehumidifying system and the humidifying system correspondingly. An air inlet is formed in the upper portion of the device body and comprises a refrigerating air inlet, a heating air inlet, a dehumidifying air inlet and a humidifying air inlet. The refrigerating air inlet, the heating air inlet, the dehumidifying air inlet and the humidifying air inlet communicate with the refrigerating system, the heating system, the dehumidifying system and the humidifying system correspondingly. A controller is provided with a temperature sensor and a humidity sensor which are used for detecting environmental changes.
Owner:上海中沃电子科技有限公司
Science and education building block
A science and education building block comprises at least one unit body. Each unit body structurally comprises two first square faces in parallel, wherein four second square faces the same in size are connected with the four corners of each first square face respectively and are parallel in pairs. The four corners of each first square face are connected with the corners of the corresponding four second square faces respectively. Of every two parallel second square faces, one is vertically provided with an inserted connection head, and the other is vertically provided with an inserted connection hole. Every two unit bodies can be vertically matched and connected through the inserted connection heads and the inserted connection holes. The space sufficient for conveniently installing a power device, a transmission mechanism and a control device is reserved in a model spliced through the building blocks; the installation position can be freely selected according to requirements; a spliced robot or a cruise car or other automatic moving models are more compact, smaller, more flexible and stable in running and particularly suitable for being applied to scientific research and education in the mechanical field.
Owner:张衡
Ultra-long combined square drill rod and machining methods thereof
InactiveCN108643844AEnsure safetyImprove drilling efficiencyDrilling rodsDrilling casingsButt jointMachining
The invention relates to an ultra-long combined square drill rod and machining methods thereof. The ultra-long combined square drill rod of 27 m is combined through a non-standard square drill rod of13.625 m and a non-standard square drill rod of 13.5 m. The machining methods comprise through hole drilling after blank heat treatment, cylindrical turning, turning of inner and outer threads of thesquare drill rods at the upper and lower ends, screwing of the square drill rods at the upper and lower ends, datum plane milling and the like. During using by a user on a well, only double-shoulder ZYNC46 threads of the two square drill rods need to be in butt joint, the same torque value of 22460 foot-pounds is applied for screwing, the milled square faces of the two square drill rods are flush,and then the whole ultra-long combined square drill rod with the length being 27 m is combined. The drilling depth of downward drilling at a time can reach 27 m, the drilling depth is increased by twice or more, the drilling efficiency is improved greatly, and the technical problems that the length of downward drilling at a time is limited due to limitation that the total length of an API standard square drill rod is 12.19 m is solved.
Owner:HENAN ZHONGYUAN SPECIAL STEEL EQUIP MFG CO LTD
Square automobile chassis component forming technology
The invention discloses a square automobile chassis component forming technology. The square automobile chassis component forming technology comprises pre-forming and forming. According to a square automobile chassis component structure, a square automobile chassis component body is included, and the square component body comprises a left square component single piece and a right square componentsingle piece which are symmetrically arranged. The left square component single piece or the right square component single piece comprises a bottom provided with a U-shaped notch, the periphery of a bottom plate vertically extends to form a side face, and the R angle formed by the side face approaches the right angle. The original square face is pre-formed into the hook face shape firstly, the arcface formed through pre-forming is formed into the square face with the R angle approaching the right angle, then, the bottom notch is punched, and a final product is obtained. The square automobilechassis component forming technology has the beneficial effects that a series of problems that due to high material strength, large material thickness, the small R angle and other design of square closed products, during direct forming, cracking, material stacking, die scrapping and the like are caused can be effectively solved.
Owner:NINGBO WOTE AUTO PARTS
Travel toothbrush with utility knife
The invention discloses a travel toothbrush with a utility knife, which relates to the field of daily necessities. The invention includes a toothbrush head handle, toothbrush bristles and a toothbrush holder arranged on the toothbrush head handle, and also includes a square toothbrush main cylinder. The cylinder of the toothbrush is hollow, and the bottom ends of the three sides of the cylinder of the square toothbrush are respectively connected by pivot pins to the pocket knife, comb and scissors that can be folded into the cylinder of the toothbrush. The other surface of the cylinder of the toothbrush is provided with a A groove for storage, a mirror is arranged on the back of the groove cover, and a nib is arranged at the bottom of the square toothbrush cylinder. The invention combines the functions of the toothbrush and the tool, has a simple structure, is hygienic and beautiful, saves space, is convenient to carry, and satisfies the use requirements of various functions.
Owner:弘毅天承知识产权股份有限公司
Translating square conical adjustable joint used for connecting artificial limbs
The invention discloses a translating square conical adjustable joint used for connecting artificial limbs, which comprises a square conical joint. The square conical joint is a hollow pipe, and the inner wall of the square conical joint has an inner thread. A square cone is formed at the top of the square conical joint, each side of the square cone is a bevel, and the bevels is integrated into sa conical surface. The bottom of the square conical joint is provided with a locking ring, the square conical joint and the locking ring are connected through fastening bolts. The square bevel joint is connected with an adjustable joint through a threaded connection. The adjustable joint is a threaded rod, and symmetrically distributed bolt holes are formed in the adjustable joint. The invention has a simple structure, is convenient to use, greatly saves the production cost, is suitable for titanium material processing, and has wide versatility of connection, reliable and flexible connection,light weight, and high strength.
Owner:BAOJI YONGSHENGTAI TITANIUM IND
Swimming pool filter water return fitting
A fitting for a poured concrete pool wall comprising a tubular stem with one or more grooves extending therethrough for connecting the fitting to a wall tie used with a pool wall form assembly such that the fitting may be secured on the wall tie during pouring of the pool wall. The fitting spans the gap between inner and outer forms. The fitting may include a square face plate mounting flange with upper and lower edges that are oriented horizontally through the coupling of the wall tie in the fitting grooves. A square face plate may be registered with and then secured to the mounting flange such that the upper and lower edges of the face plate also extend horizontally. The fitting forms a conduit through the pool wall for connection to a water return system or to serve as a niche for securing a pool light therein.
Owner:WALL FRANK L
Metal plate face frame of television
InactiveCN102685425AReduce the number of projectsLow costTelevision system detailsColor television detailsMetal stripsEngineering
The invention discloses a metal plate face frame of a television, comprising a face frame body. The square face frame body is formed by metal strips connected with one another; each two adjacent metal strips are connected together in an inorganic riveting mode; and the metal strips are stamped by a stamping die. According to the metal plate face frame of the television, the two adjacent metal strips are connected together in the inorganic riveting way without any accessory, therefore, the process is shortened and the cost is saved.
Owner:昆山电子羽电业制品有限公司
Embedded-type commercial air-conditioner indoor unit
InactiveCN108072117AReduce the impact of the wind effectUniform air temperatureMechanical apparatusLighting and heating apparatusEngineeringAir temperature
The invention provides an embedded-type commercial air-conditioner indoor unit. The embedded-type commercial air-conditioner indoor unit comprises an enclosure body, a draught fan assembly, a heat exchanger and four auxiliary electric heaters. The enclosure body comprises a bottom plate, a square face plate and four side plates. A return air inlet is formed in the center of the square face plate,and four air outlets are formed around the return air inlet in the square face plate. The draught fan assembly is located inside the enclosure body. The heat exchanger is located inside the enclosurebody and on the outer circumferential side of the draught fan assembly. The heat exchanger is provided with a first heat exchange part, a second heat exchange part, a third heat exchange part and a fourth heat exchange part which are bent along the square face plate. The four auxiliary electric heaters are located between the first heat exchange part of the heat exchanger and the draught fan assembly, between the second heat exchange part of the heat exchanger and the draught fan assembly, between the third heat exchange part of the heat exchanger and the draught fan assembly and between the fourth heat exchange part of the heat exchanger and the draught fan assembly correspondingly. The four auxiliary electric heaters are fixedly installed on the bottom plate and the heat exchanger and refer to PTC electric heaters. By means of the embedded-type commercial air-conditioner indoor unit, the influence on the air outlet effect of the air outlets by the auxiliary electric heaters can be reduced; and in addition, the air outlet temperatures of the air outlets can be made more uniform due to the position design of the four auxiliary electric heaters.
Owner:QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
Machining process for square plate shell
The invention discloses a machining process for a square plate shell. The process comprises the steps that firstly, the outer diameter of the front end is subjected to rough turning; secondly, a central shaft hole is drilled; thirdly, the inner diameter of the front end is subjected to rough turning; fourthly, an internal keyway is punched; fifthly, the outer diameter of the front end is subjected to finish turning, and threads are turned on the outer diameter of the front end; sixthly, four square faces are milled; seventhly, the inner diameter of the front end is subjected to finish turning; eighthly, the outer diameter of the rear end is subjected to rough turning, and then the inner diameter of the rear end is turned; ninthly, an inner groove is turned, specifically, a rotary groove is turned in the inner wall of the rear end; tenthly, the inner diameter and the outer diameter of the rear end are subjected to finish turning; and eleventhly, two protrusions are sawed at the rear end and are arranged in the axial direction. By means of the mode, the steps of the machining process for the square plate shell are convenient, the forming property of parts is improved easily, and the correction and forming effects are achieved.
Owner:苏州昭沃五金科技有限公司
Wear-resistant lifter sliding table
The invention discloses a wear-resistant lifter sliding table. The wear-resistant lifter sliding table is characterized by comprising a stand column which is hollow column body with three square faces and is vertically arranged on the ground, a sliding table body which is a square block body and is sleeved with the stand column and is not in direct contact with the stand column; two sliding block supports which are trapezoidal and are fixed to the middles of the two sides of the sliding table body through screws, four sliding blocks which are square blocks and are arranged at the four corners of the stand column respectively, and a locking device located on the inner side of the sliding table body, wherein the sliding blocks are fixedly connected with the outer corners of the sliding block supports through screws, the contact face of each sliding block and the stand column is provided with at least one spherical groove, and a steel ball is embedded in each groove. The wear-resistant lifter sliding table is small in friction force in the ascending and descending process, and the service life of the lifter is prolonged.
Owner:赛埃孚汽车保修设备(太仓)有限公司
Desk facilitating notebook computer cooling
InactiveCN107455932AImprove cooling effectEasy and fast conversionOffice tablesFeetEngineeringUpper floor
The invention discloses a desk facilitating notebook computer cooling. The desk comprises a desk top and desk legs, the desk top includes an upper desk top and a lower desk top, the upper desk top comprises an outer frame and a desk top portion, the outer frame is arranged on the lower desk top, the desk top portion is arranged in the outer frame and divided into a plurality of same square face plates, at least one face plate can be detached, at least one face plate is a cooling plate, a plurality of first through holes are vertically formed in the cooling plates in a penetrating manner, a plurality of projections are arranged on the upper surfaces of the cooling plates, and a plurality of second through holes are formed in the lower desk top. The desk is simple in structure, convenient to operate and excellent in cooling effect, energy is saved, and wrists are protected.
Owner:湖州南浔金迎门门业有限公司
Laser mirror assembly
ActiveCN102096173BGuaranteed accuracyImprove dimming efficiencyMountingsLaser beam welding apparatusLight beamEngineering
Owner:江苏扬力数控机床有限公司
Free forging process for large cross-shaped forgings
ActiveCN104438997BGuaranteed fibrous technical requirementsReduce weightMetal-working apparatusEngineeringIngot
Owner:TONGYU HEAVY IND
Method of welding under electromagnetic action
InactiveCN108127214ASimple structureEasy to operateWelding protection meansSheet steelProtective glasses
The invention relates to a method of welding under electromagnetic action. The method includes the steps that firstly, a protective cover for welding is made, wherein the protective cover is characterized by being formed by processing 1 mm steel plates, two side vertical faces of the protective cover are in a right trapezoid shape, the upper flat face and the rear vertical face of the protective cover are in a rectangle shape, an inspection port is formed in the upper end of the front inclined face of the protective cover, electrowelding protective glass is installed on the inspection port, aU-shaped welding hole is formed in the lower end of the middle of the front inclined face of the protective cover, and a handle is installed on one side square face of the protective cover; then, theprotective cover is placed on a to-be-welded portion, and a welding gun stretches into the protective cover for welding. The method has the advantages that the structure is simple, operation is convenient, the phenomenon of arc bias caused by electromagnetic action in the welding process is effectively prevented, and the welding quality and the construction efficiency are improved.
Owner:CHINA MCC 2 GRP CO LTD
Multipurpose tea table
The invention discloses a multipurpose tea table which is novel in structure. The multipurpose tea table comprises a square face plate and supporting legs arranged on two sides of the lower end of the face plate, a square lower face plate is arranged between the two supporting legs under the square face plate through supporting grooves, two arc-shaped grooves are formed in the square lower face plate, two arc-shaped grooves are respectively formed in two sides of the square lower face plate, and a plurality of weight reducing holes are evenly formed in the square lower face plate between the two arc-shaped grooves. The multipurpose tea table has the advantages that the two arc-shaped grooves formed in the lower portion can be used for stools to be arranged and is novel in structure, capable of saving space and elegant and attractive in appearance and is deeply loved by vast consumers.
Owner:徐国安
Preparation method of high heat conductive and high temperature resistant corrugated ceramic-based heat exchanger chip
Owner:SOUTH CHINA UNIV OF TECH
Grinding clamp for eccentric bushing of numerical control curve-tooth bevel gear milling machine
InactiveCN103894928AImprove grinding accuracyImprove consistencyGrinding work supportsNumerical controlEngineering
The invention provides a grinding clamp for an eccentric bushing of a numerical control curve-tooth bevel gear milling machine. The grinding clamp comprises a process face and a clamp body, the clamp body is a cone, the clamp body penetrates through the process face and is perpendicular to the process face, the two end faces of the clamp face are correspondingly and respectively provided with a centre hole, the distance between the centre holes and the centers of the end faces of the clamp body is 0.5 mm, the taper of the clamp body is 0.03 mm, and the process face can be a large semicircular face or a square face. The grinding clamp has the advantages that the grinding precision of the eccentric bushing is improved, the mounting size of the eccentric bushing is kept consistent well, machining time is reduced, the assembling period is shortened, and a machine tool is assembled more conveniently; the structure is simple, maintenance is convenient, machining cost is low, production efficiency is high, performance is stable, mounting is convenient, and clamping and machining are convenient.
Owner:TIANJIN XUANYU MACHINE TOOL EQUIP
Square opening paper cup
InactiveCN107628329AWon't slipPlay a role in anti-slipRigid containersPulp and paper industryPaper cup
The invention relates to a square opening paper cup comprising a paper cup body. The square opening paper cup is characterized in that the top and bottom of the paper cup body are square, and the square area of the top of the paper cup body is larger than the square area of the bottom of the paper cup body; and the top of the paper cup body is connected to the bottom of the paper cup body throughfour side wall edges, and the side walls of the paper cup body are trapezoidal. The square opening paper cup provided by the invention is provided with the four side wall edges which plays an antiskidrole, so that the square opening paper cup taken by a user does not slide off.
Owner:魏世年
High-strength hedgerow cutter
InactiveCN105103977AAvoid colliding with each otherExtended service lifeHedge trimming apparatusCuttersHigh intensityMechanical engineering
The invention provides a high-strength hedgerow cutter. The high-strength hedgerow cutter comprises a first blade and a second blade, cutting edges are arranged on the first blade and the second blade respectively, the first blade and the second blade are arranged in an overlapped mode, and the cutting edges on the first blade and the cutting edges on the second blade are arranged in a stacked mode. Multiple supporting units are arranged on the face, toward the second blade, of the first blade; each supporting unit comprises a rolling bead containing box and multiple rolling beads limited by the rolling bead containing box, wherein one side face of the rolling bead containing box is a square face, an inner cavity of the rolling bead containing box is communicated with the surface, toward the second blade, of the first blade, and all the rolling beads in the rolling bead containing box are partially exposed out of the rolling bead containing box. The high-strength hedgerow cutter has the advantages that every two cutting edges moving oppositely are prevented from colliding with each other, and the service life of the blades is prolonged; in addition, as the blades basically do not shift relatively, directions of the blades are easy to control in the style clipping process, and the clipping strength is higher.
Owner:TIANJIN SONGJIANG ECOLOGICAL IND
A series of multi-scale square rock structural surface friction angle measurement device and method
Owner:SHAOXING UNIVERSITY
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