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178 results about "Circular cone" patented technology
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A circular cone has a circular base, which is connected by a curved surface to its vertex. A right circular cone is a circular cone whose altitude intersects the plane of the circle at the circle's center. The segments that connect the base to the vertex form the lateral surface of the cone.
Cutter shell and blade welding machine for blade type hob machining
ActiveCN120306897AWelding/cutting auxillary devicesOther manufacturing equipments/toolsHydraulic cylinderCircular cone
The invention discloses a cutter shell and blade welding machine for blade type hob machining, and relates to the technical field of welding. The cutter shell and blade welding machine for blade type hob machining comprises a machine body, a rotary feeding mechanism and a machining assembly, the machining assembly comprises a welding main machine and a hydraulic cylinder, a welding head is fixedly installed at the telescopic end of the hydraulic cylinder, a welding gun is installed at the bottom of the welding head, and an auxiliary module is installed on the side of the surface of the welding head; the rotary feeding mechanism comprises a rotating disc and a rectangular opening, a limiting frame is fixedly connected to the edge of the surface of the rotating disc, a square guide rod is slidably mounted at the top of the surface of the limiting frame, a centering cone is fixedly connected to the end, extending out of the limiting frame, of the square guide rod, and a triangular block is fixedly connected to the conical surface of the top of the surface of the centering cone. An adjusting assembly is installed at the top of the rotating disc, the anti-rolling purpose is achieved, positioning can be conducted, deviation is not prone to occurring, the positions of the blades and the cutter shell are accurate, batch welding is convenient, and safety and reliability are achieved.
Owner:MEIGELI (ZHEJIANG) TECH CO LTD
Raw material structure for producing high-temperature alloy bar
The utility model relates to an alloy bar processing technology, and discloses a raw material structure for producing a high-temperature alloy bar, which comprises a high-temperature alloy blank, an integrated head sleeve, a first tail pad and a second tail pad, the high-temperature alloy blank is arranged in an inner cavity of the integrated head sleeve, the first tail pad is fixedly welded at the end part of the rear side of the integrated head sleeve, and the second tail pad is welded at the end part of the rear side of the integrated head sleeve. A second tail pad is movably arranged on the rear side of the first tail pad. A cylinder is arranged at the front end of the integrated head sleeve and connected with a conical surface, the rear side of the conical surface is connected with a cylindrical surface, the head shape of an inner cavity of the integrated head sleeve is a first circular plane, the rear side of the first circular plane is a first conical surface, and the rear side of the first conical surface is connected with a second conical surface. By optimizing the raw material structure, the extrusion force is reduced, the stress condition in the extrusion process is improved, the metal flow uniformity is promoted, extrusion cracks are avoided, the bar quality and the raw material utilization rate are improved, and the high-temperature alloy bar extrusion device is suitable for production of high-temperature alloy bars.
Owner:HANDAN XINXING SPECIAL TUBING CO LTD
Rapid lining changing structure of cone crusher
The utility model relates to the technical field of cone crushers, in particular to a quick lining changing structure of a cone crusher, which comprises a base, a feed hopper, a slide rail and a static cone, a shell is mounted on one side of the outer wall of the upper end of the base, the feed hopper is arranged on the outer wall of the upper end of the shell, and an assembly plate is mounted on one side of the outer wall of the feed hopper. Sliding rails distributed in a circular array mode are welded to the lower end of the outer wall of the shell, sliding blocks are slidably installed in the sliding rails, rotating grooves are formed in the sliding blocks, rotating wheels are rotatably installed in the rotating grooves, static cones are welded to the outer walls of the lower ends of the rotating wheels, and lining plate bodies are arranged on the outer sides of the static cones. And the static cone can be moved to a proper position, so that the inconvenience of operation in a narrow space is avoided, and the replacement efficiency of the lining plate body is greatly improved.
Owner:TIANJIN LEKUANG MASCH EQUIP MFG CO LTD
Cone crusher shell protection structure
The utility model relates to the technical field of shell protection structures, and discloses a cone crusher shell protection structure which comprises a base, a hollow column is fixedly connected to the top of the base, a power assembly is arranged on the front side of the hollow column, a crushing chamber is fixedly connected to the top of the hollow column, a feeding port is formed in the top of the crushing chamber, and a discharging port is formed in the top of the crushing chamber. An annular groove is formed in the outer wall of the crushing chamber, a plurality of fixed hollow plates are fixedly connected to the interior of the annular groove at equal intervals, hollow rods are fixedly connected to the upper sides and the lower sides of the interiors of the multiple fixed hollow plates, and springs are fixedly connected to the interiors of the multiple hollow rods. According to the utility model, when the outer wall of the crushing room is impacted, the annular plate is extruded, so that the movable column extrudes the spring to enter the hollow rod to absorb the impact force, and when the impact force is too large, the annular plate rotates to unload the force, so that the flexible protection on the outer wall of the crushing room is realized, the damage caused by external force is reduced, and the long-time stable operation of equipment is ensured.
Owner:SHANGHAI SHANYU MASCH CO LTD
Punched acoustic panel combined with cone structure and preparation method of punched acoustic panel
The invention discloses a punched acoustic panel combined with a cone structure and a preparation method of the punched acoustic panel in the technical field of punched acoustic panels, the punched acoustic panel comprises a back plate, a panel with sound absorption holes formed in the surface and a sound absorption interlayer arranged between the back plate and the panel, and a cone connecting piece penetrating through the sound absorption interlayer is arranged between the back plate and the panel, the conical connecting piece comprises a hollow cone, a scraping piece is arranged on the side surface of the cone, the cone penetrates through the sound absorption interlayer in a drilling mode, and an adhesion base used for being in butt joint with the tip end of the cone is arranged on the surface of the panel. The connecting strength of the face plate and the back plate is enhanced, the containing holes are formed in the sound-absorbing interlayer in a self-drilling mode of the cones, the formed holes and the cones are high in fitting degree, the cones can well support materials of the sound-absorbing interlayer, and the interlayer is effectively prevented from falling.
Owner:ANHUI CHENHANG ALUMINUM
Tapered metal plate welding positioning tool
ActiveCN223235468UWelding/cutting auxillary devicesAuxillary welding devicesCircular coneStructural engineering
The utility model provides a conical metal plate welding positioning tool. The conical metal plate welding positioning tool comprises a fixing table and an adjusting assembly. The exterior of the fixed table is of a conical structure; the adjusting assembly comprises a positioning ring, an inner ring of the positioning ring is of a circular structure, and the diameter of the inner ring of the positioning ring is larger than the outer diameter of the cone top of the fixing table and smaller than the outer diameter of the cone bottom of the fixing table. A pressing plate is arranged above the positioning ring in parallel, and the distance between the positioning ring and the pressing plate is adjustable; the adjusting assembly is arranged at one end of the cone top of the fixing table, and the positioning ring faces the fixing table and is coaxial with the fixing table. When the conical metal plate is welded, positioning of joints, the upper end face and the lower end face of the conical metal plate can be achieved through the coordination effect of the adjusting assembly and the fixing table, and the welding quality and the automation degree of the conical metal plate are improved.
Owner:SICHUAN LISHIDA INTELLIGENT LIGHTING TECH CO LTD
Method for high-reliability connection and size-accurate control of disc core and disc rim of double-titanium alloy disc
ActiveCN120816121BWelding/soldering/cutting articlesNon-electric welding apparatusFriction weldingCircular cone
The application discloses a high-reliability connecting and size-accurate control method for a disc core and a disc rim of a double-titanium alloy disc, which comprises the following steps: a coaxial conical surface is formed to divide the disc core and the disc rim of the double-titanium alloy disc; a coaxial circular arc line which is in contact with the outside of the coaxial conical surface and is a circular arc line is formed to form a disc rim combined circular arc conical surface; a disc core and a disc rim blank are prepared; the disc core and the disc rim blank are installed on an inertial friction welding device, and after the rotating speed and the upsetting pressure are set, the disc core and the disc rim blank are relatively rotated at a low rotating speed; the pressure required by high-temperature plastic deformation is calculated, and after the rotating speed and the pressure maintaining time are set, the disc core and the disc rim blank are relatively rotated at a high rotating speed to prepare a high-temperature and high-strength double-titanium alloy disc blank. According to the method, the special combined surface structure and size design of the disc core and the disc rim are adopted, the high reliability of plastic deformation connection of the inertial friction welding is achieved, and the size-accurate distribution of the connecting position is achieved, so that the high-temperature and high-load performance requirements of a new generation of aero-engine titanium alloy disc are met.
Owner:AECC HUNAN AVIATION POWERPLANT RES INST
Multi-well discharge high-efficiency flocculation sedimentation tank
ActiveCN120960844BSettling tanks feed/dischargeSedimentation settling tanksFlocculationCircular cone
The application discloses a multi-well discharging high-efficiency flocculation settling tank, relates to the technical field of hydrometallurgy, and comprises a settling tank body, a feeding pipe, a mixing well with an open bottom arranged above the middle part of the settling tank body, a distributor arranged in the mixing well and used for dispersing the slurry of the feeding pipe in the circumferential direction, a feeding pipe connected with the distributor in the tangential direction of the circumference, a material lifting device arranged in the mixing well and used for bringing the supernatant of the settling tank body into the mixing well, a plurality of separation wells arranged in the circumferential direction outside the mixing well in the settling tank body, a chute arranged in communication between the mixing well and the separation well, a flocculating agent pipe connected with the chute, and an annular material distribution plate arranged in the positive circular cone direction and arranged at the bottom of the separation well. The application is characterized in that a plurality of separation wells are arranged around the mixing well in the center of the settling tank, the multi-well discharging is adopted, the flocculation is rapidly dispersed, the cross-sectional area of the settling tank is effectively utilized, and the treatment capacity per unit area of the settling tank is improved.
Owner:SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
Cone type stone crushing machine
The utility model provides a conical gravel crusher, and belongs to the technical field of conical gravel crushers. Comprising a plurality of protection assemblies, each protection assembly comprises a mounting base fixed to the top of a fixing base and a protection plate movably connected with the mounting base in a matched mode, and the protection plates on the multiple protection assemblies are matched with one another to form a circular plate body used for sealing the top area of the hopper. According to the utility model, the protection assembly is arranged, so that the top area of the hopper is effectively sealed and protected, and stones which are extruded and fallen in a stone crushing process are blocked without influencing blanking, so that the stones are prevented from flying out of the crusher body to cause personal injury to nearby workers; the whole protection assembly is of a detachable structure and can be rapidly disassembled, assembled and replaced after being damaged, the maintenance process is optimized, and the working efficiency is improved.
Owner:EZHOU HONGRAN NEW BUILDING MATERIALS CO LTD
Auxiliary tool for measuring assembly height of conical bearing
The utility model relates to an auxiliary tool for measuring the assembly height of a conical bearing. Belongs to the technical field of conical bearing measurement. The utility model mainly solves the problems that the assembly height is inconvenient to measure, the measurement result is not direct and the calculation error exists when the clearance of the hub bearing is assembled at present. The device is mainly characterized by comprising a cover plate, a height block and a base plate, the upper end face and the lower end face of the cover plate are parallel. The height block is a cuboid, the upper and lower end faces are parallel, and the height is the assembly height nominal size of the measured bearing; the upper and lower parts of the base plate are of two-step circular structures, and the upper and lower step circular planes are parallel. The measuring tool has the advantages of being simple in structure, small in tool size, convenient to use and capable of improving the measurement accuracy of the assembly height and the detection efficiency, avoids later result recalculation, reduces calculation steps, does not have calculation errors, and is mainly used for measuring the assembly height of the conical bearing.
Owner:XIANGYANG AUTOMOBILE BEARING CO LTD
Bevel gear structure
ActiveCN224079548UHigh transmission precisionImprove coaxialityPortable liftingGearing detailsCircular coneStructural engineering
The utility model provides a bevel gear structure and belongs to the technical field of machinery. The problem that an existing bevel gear is poor in transmission precision is solved. The bevel gear structure comprises a bevel gear and a gear shaft which are coaxially arranged, a connecting column is integrally formed on the bottom wall of the bevel gear, a conical hole with the hole diameter gradually increasing from top to bottom is formed in the bottom wall of the connecting column, and the connecting column, the conical hole and the bevel gear are coaxially arranged; a circular-truncated-cone-shaped connecting part matched with the conical hole is integrally formed at the top of the gear shaft, and the connecting part is inserted into the conical hole; an annular groove coaxial with the bevel gear is formed among the connecting part, the bottom wall of the connecting column and the top wall of the gear shaft, and the annular groove is filled with welding fluid so that the connecting column and the gear shaft can form a whole. The bevel gear structure is high in transmission precision.
Owner:ZHEJIANG HENGRONG TRANSMISSION TECH CO LTD
A low prestress energy absorption anchor rod with expanding shell and construction method thereof
The application discloses a kind of low prestress energy-absorbing anchor rod of expansion shell and its construction method, including cone head, expansion shell piece, inner rod and sleeve rod, the rear end of cone head and inner rod are connected in axial direction, wherein: cone head includes conical section, circular table section and cylindrical section connected in axial direction from front to back;Expansion shell piece is cylindrical shell, coaxially sleeved on the outside of cone head;When cone head moves towards the direction of expansion shell piece rear end, the large diameter part of circular table section enters expansion shell piece backwards, and expansion shell piece deforms radially outward;Inner rod is columnar rod body, and a plurality of first arc protrusions are arranged on the upper and lower walls of the rear section, and the first arc protrusions are arranged at intervals;Sleeve rod is columnar shell, and a plurality of second arc protrusions are arranged at intervals on the inner wall of each semicircular cylindrical shell along the length direction;Sleeve rod is coaxially sleeved on the outside of inner rod, and the second arc protrusions and the first arc protrusions are engaged.The anchor rod is firmly anchored, has excellent extension performance, and can be applied in soft rock large deformation or hard rock rock burst stratum reinforcement engineering.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +1
Quasi-single-mode circular waveguide conical horn antenna, radar and communication device
PendingCN121965147Areduce lossreduce gainWaveguide hornsAntenna supports/mountingsRadarCircular cone
The invention discloses a quasi-single-mode circular waveguide conical horn antenna, a radar and a communication device. The quasi-single-mode circular waveguide conical horn antenna comprises a circular waveguide section and a conical horn section. Conductor loss is reduced by remarkably increasing the diameter of the circular waveguide, and axial periodic annular grooves are formed in the inner wall of the circular waveguide to form a spatial mode filter and a selective attenuation high-order mode, so that high radiation efficiency and high mode purity are realized at the same time in a millimeter wave frequency band. And the conical horn section adopts an index profile to realize high-directionality radiation. The antenna structure effectively solves the technical problems of large loss and impure mode in a millimeter wave high-frequency band in the traditional design.
Owner:中仪知联(无锡)工业自动化技术有限公司
Bevel gear inner hole arc chamfer depth measuring tool
The utility model relates to the technical field of measuring tools, and provides a bevel gear inner hole arc chamfer depth measuring tool. The device comprises a positioner and a sliding rod, the positioner comprises a contact hopper and a contact block, the contact hopper is a cone, the angle of the conical surface of the contact hopper is 45 degrees, the contact block is a cylinder and is arranged at the tip end of the contact hopper, the bottom surface of the contact block is flush with the vertex of the conical surface of the contact hopper, and the top surface of the contact block is integrally formed and connected with the contact hopper; a graduated scale is arranged on the sliding rod, and the positioner is assembled on the sliding rod in a manner that the conical surface downwards slides; the positioner slides on the sliding rod, so that the conical surface of the contact hopper abuts against an inner hole arc chamfer on the bevel gear, and the bottom surface of the contact block abuts against the surface of an inner hole in the bevel gear; according to the bevel gear inner hole arc chamfer depth measuring tool, the position change of the positioner can be realized, the inner hole arc chamfer can be measured by combining the inner hole size, and the measurement can be completed without finding the edge of the arc chamfer.
Owner:HARBIN KAISHI PRECISION EQUIPMENT CO LTD
Shaft workpiece center hole detection tool
Owner:CHONGQING HANHUI MASCH MFG CO LTD
Movable cone adjusting device of high-purity quartz sand cone crusher
The invention discloses a high-purity quartz sand cone crusher moving cone adjusting device, and relates to the technical field of high-purity quartz sand processing equipment.The high-purity quartz sand cone crusher moving cone adjusting device comprises a cone crushing mechanism, an adjusting mechanism is arranged on the cone crushing mechanism, a sealing mechanism is arranged on the outer side of the adjusting mechanism, and a self-lubricating mechanism is connected to the side face of the adjusting mechanism. A ball screw is driven to rotate by an adjusting motor, so that a connecting structure and a movable cone can be conveniently driven to realize a lifting adjusting function in cooperation with an adjusting block, and the height of the movable cone can be conveniently adjusted according to the particle size requirement of crushing, so that the distance between the movable cone and a lining plate on the inner wall of a shell of the crusher is realized; the adjusting precision and the machining efficiency are effectively improved, so that the crushing effect is guaranteed, the limiting part is installed at the top of the ball screw, the limiting function can be provided, the guide column body is conveniently installed through the side supporting base, the stable guiding function is provided, and therefore the operation precision is further improved.
Owner:扬州晶固新材料科技有限公司
Mounting device for mounting waterproof curtain in deep foundation pit
The utility model belongs to the technical field of curtains, and particularly discloses an installation device for installing a waterproof curtain in a deep foundation pit, which comprises a base, a curtain body is connected above the base in a sliding mode, an installation mechanism is arranged above one side of the base, and the installation mechanism is arranged above the other side of the base. A supporting rod is rotationally connected to one side of the base, a mounting plate is rotationally connected to the end of the supporting rod, and a reinforcing mechanism is arranged below the mounting plate; according to the device, if the land of the environment where the device is located is soft, a worker can rotate the handle to drive the screw rod to rotate, the movable block can slide in the cone after the screw rod rotates, and in the process, the included angle between the rotating rod and the screw rod is changed by changing the rotating direction of the screw rod; and four rotating rods in each cone are unfolded, so that the contact area between the cone and the soft ground is increased, and the stability of the device during placement is improved.
Owner:五矿二十三冶建设集团有限公司
Welding positioning device for flange joint machining
PendingCN121373878ANon-rotating vibration suppressionLaser beam welding apparatusCircular coneCentring
The invention relates to the technical field of flange joint welding, and provides a welding positioning device for flange joint processing, which comprises a positioning table and a clamping seat, a control panel is installed on one side of the top end of the positioning table, a positioning groove is formed in the middle of the top end of the positioning table, a flange is placed at the top end of the positioning groove, a connector is placed in the middle of the flange, and a positioning structure is arranged on one side of the top end of the positioning table. Through cooperation of the positioning cone and the three sets of positioning claws, when the conical surface of the positioning cone moves downwards, the three sets of positioning claws are pushed to move outwards synchronously, so that the moving blocks are driven to slide in the moving grooves, the outer sides of the three sets of positioning claws abut against the inner wall of the connector, the inner wall of the connector is abut against the three sets of positioning claws, and forced coaxial centering is completed; due to the fact that the positioning claws are evenly distributed by 120 degrees and synchronously move, the jacking force can be gradually transmitted from the eccentric side to the center, finally the eccentric connector is pushed to the center of the flange, and concentric positioning of the connector and the flange is completed.
Owner:JIANGSU JINGYI FORGING CO LTD
An air-jet vortex spinning yarn guiding cone and an air-jet vortex spinning method
The application relates to an air-jet vortex spinning yarn guiding cone and an air-jet vortex spinning method, belonging to the field of spinning machines and technologies, which comprises a yarn guiding cone, the yarn guiding cone comprising a first circular cone section, a second circular cone section, a first cylinder section and a second cylinder section which are sequentially connected and coaxially arranged from upstream to downstream, the cone angle of the first circular cone section is 12-20 DEG, the axial length of the first circular cone section is 19-22% of the main length of the spun fiber, and the diameter of the downstream end of the first circular cone section is 12-16% of the main length of the spun fiber. The application can make the air-jet vortex spinning nozzle spin yarn with more excellent mechanical properties under the working condition that the total air pressure in the air chamber is 0.4-0.65 MPa.
Owner:DONGHUA UNIV
Device for preventing moving cone from rotating unidirectionally
The utility model belongs to the technical field of devices for preventing a moving cone from rotating, and particularly relates to a device for preventing the moving cone from rotating unidirectionally, which comprises a cone crusher, a mounting frame, an eccentric shaft, a mounting shaft, a support frame and a fixed round frame, the support frame is fixedly connected inside the cone crusher, and the fixed round frame is fixedly connected to the upper end face of the support frame. The mounting frame is fixedly connected to the lower end face of the cone crusher, the eccentric shaft is rotationally connected to the upper end face of the mounting frame, the mounting shaft is fixedly connected to the upper end face of the eccentric shaft, a transmission gear is rotationally connected into the mounting frame, and the upper end face of the transmission gear is fixedly connected with the lower end face of the eccentric shaft. According to the utility model, the limiting degree of the device to the movable cone under no-load rotation can be correspondingly adjusted by adjusting the output power of the added air pump, so that the situation that the movable cone gallops during no-load rotation can be avoided.
Owner:WEIHAI HENGLI WEAR-RESISTANT MATERIALS CO LTD
Optical element
An optical element (10), which is an embodiment of the present invention, has a first main surface (11a) and a second main surface (12a) facing each other, the first main surface (11a) having a first lenticular lens (11), the second main surface (12a) having a second lenticular lens (12), the long axis direction (Y) of the first lenticular lens (11) being orthogonal to the long axis direction (X) of the second lenticular lens (12), and the long axis direction (Y) of the second lenticular lens (12) being orthogonal to the long axis direction (X) of the first lenticular lens (11). The first lenticular lens (11) has a curved surface shape having a cone constant kx of-2.4 to-0.6 (inclusive), and the second lenticular lens (12) has a curved surface shape having a cone constant ky of-0.9 to-0.5 (inclusive), or the first lenticular lens (11) intersects the second lenticular lens (12) so as to further form an off angle in the range of + / -70 degrees with the orthogonality.
Owner:KEIWA INCORPORATED
Multi-dimensional compound motion shaking table
ActiveCN121446358AShaking/oscillating/vibrating mixersTransportation and packagingReciprocating motionCircular cone
A multi-dimensional compound motion shaking table relates to the technical field of shaking tables and comprises a bottle rack and a driving module. The driving module comprises a shell, a driver, a driving eccentric shaft, a driven eccentric shaft, a transmission part, a bracket, a supporting seat and a supporting arm; the driver is installed on the shell, the driving eccentric shaft is connected with an output shaft of the driver, and the driving eccentric shaft is connected with the bracket; the driven eccentric shaft is connected with the shell and the bracket; the transmission part comprises a first plate and a second plate which are connected and form an angle, the first plate is fixedly connected with the driving eccentric shaft, and the second plate is connected with the bottle rack; the supporting seat is fixedly connected with the bracket, the supporting arm is connected with the supporting seat, and the bottle rack is connected with the supporting arm; the driving module is used for driving the bracket to do circumferential reciprocating motion and driving the bottle rack to do conical and circumferential motion, so that the bottle body can be driven to do compound motion in a multi-dimensional direction, the top, the middle and the bottom of the bottle body can do multi-dimensional motion, and the liquid shaking effect is good.
Owner:CHENGDU SOAR SMART TECH CO LTD
Split type expansion sleeve tool
The utility model relates to the technical field of pump tools, and provides a split type expansion sleeve tool which comprises a flange connecting piece and an expansion sleeve body which are sequentially connected in the axial direction. The expansion sleeve main body comprises a main body connecting part connected with the flange connecting piece and a mounting part extending out from the first end of the main body connecting part, and a central connecting hole penetrating through the mounting part is formed in the center of the expansion sleeve main body; a cone frustum is arranged at the top end of the mounting part; the expansion sleeve is provided with a cone frustum hole matched with the cone, and the installation part is coaxially sleeved with the expansion sleeve; the expansion sleeve is provided with an expansion opening groove, the expansion opening groove is communicated with the cone frustum hole, the expansion opening groove axially extends by a first preset distance from one end, close to the main body connecting part, of the expansion sleeve, and the first preset distance is smaller than the axial length of the expansion sleeve; a fastening mounting hole which is coaxial and communicated with the central connecting hole is formed in the expansion sleeve; and the tensioning piece is arranged in the fastening mounting hole in a penetrating manner and is connected with the central connecting hole.
Owner:ANHUI SHINHOO CANNED MOTOR PUMP CO LTD
A method for measuring and evaluating eccentric conical features of a triple offset butterfly valve
This invention relates to the field of eccentric cone feature measurement technology, specifically to a method for measuring and evaluating the eccentric cone features of a triple-eccentric butterfly valve. The method includes: uniformly selecting several measurement sections within the axial range of the point cloud to be measured, and extracting the point cloud subsets corresponding to the measurement sections; performing robust circle fitting on the projection of the point cloud subsets onto the XY plane to obtain a set of section parameters, and calculating the section residuals based on the center coordinates and radius; establishing a linear regression model of the axis center changing with height, solving for the eccentricity and axis inclination slope, and calculating the axis eccentricity distance and axis inclination angle; automatically selecting the optimal generatrix model from a preset model library; performing Fourier series expansion on the residuals of each section, calculating the second-order amplitude, and identifying higher-order distortion terms from the second-order amplitude; and outputting the analytical equation of the cone point cloud based on pose and topography parameters. This invention can accurately identify the nonlinear generatrix features and section distortion of the key sealing surface of a triple-eccentric butterfly valve.
Owner:DALIAN UNIV OF TECH
Tool for turning thin-wall outer circle deep chute
The utility model provides a tool for turning a deep inclined groove of a thin-wall outer circle, which is used for processing a part 1, the tool for turning the deep inclined groove of the thin-wall outer circle comprises a positioning plug 2, a pressing end cover 3, a bolt 4 and a gasket 5, the outer circle of the part 1 is a deep inclined groove 1-1, one end of the part 1 is a large thin-wall end face 1-2, and the other end of the part 1 is a small cylindrical end face 1-3. The side wall of the inner hole consists of a conical surface 1-4, a spherical surface 1-5 and a cylindrical surface 1-6; the positioning plug 2 comprises a positioning surface 2-1, a fixing hole 2-2, a thin-wall placing groove 2-3, a clamping cylindrical surface 2-4 and a threaded hole 2-5; the pressing end cover 3 comprises a fixed cylindrical surface 3-1; a pressing end face 3-2 and a bolt hole 3-3 are arranged; the bolt 4 comprises a threaded cylindrical surface 4-1 and a fastening hexahedron 4-2; the gasket 5 comprises a cylindrical hole 5-1 and an end face 5-2.
Owner:CHANGHE AIRCRAFT INDUSTRIES CORPORATION
Male holding-up hammer for combined holding-up hammer, female holding-up hammer for combined holding-up hammer and combined holding-up hammer
The utility model relates to the technical field of ultrahigh pressure synthesis, in particular to a male holding-up hammer for a combined holding-up hammer, a female holding-up hammer for the combined holding-up hammer and the combined holding-up hammer. The utility model discloses a female holding-up hammer for a combined holding-up hammer, which comprises a female holding-up hammer main body, the female holding-up hammer main body is of a circular truncated cone-shaped structure, the end face of one axial end with a larger diameter of the female holding-up hammer main body is a working face, the working face of the female holding-up hammer main body is provided with a concave face part, and the concave face part is of a conical surface structure. The bottom of the center of the concave surface part is of a concave spherical surface structure; a male holding-up hammer for a combined holding-up hammer comprises a male holding-up hammer body, the male holding-up hammer body is of a circular-truncated-cone-shaped structure, the end face of the axial end, with the large diameter, of the male holding-up hammer body is a working face, the working face of the male holding-up hammer body is provided with a convex face part, the convex face part is of a conical face structure, and the center of the convex face part is of a convex spherical face structure. The device has the advantage that the cambered surface diamond meeting the standard can be cultivated in the synthesis cavity.
Owner:ZHEJIANG HENGCHENG CEMENTED CARBIDE CO LTD
Grinding equipment shell structure and grinding equipment
The utility model discloses a shell structure of grinding equipment. The shell structure comprises a lower end flange and an upper end flange, the conical plate structure is arranged between the lower end flange and the upper end flange; the fixed cutter structures are arranged between the lower end flange and the upper end flange, and the multiple fixed cutter structures are combined into a hollow cone frustum-shaped structure; the upper limiting flange is arranged at the upper end of the upper end flange and used for clamping the upper end of the hollow cone-frustum-shaped structure; the lower limiting flange is arranged at the lower end of the lower end flange and used for clamping the lower end of the hollow cone-frustum-shaped structure; a sound absorption cavity structure is formed among the lower end flange, the upper end flange, the outer wall of the hollow cone-frustum-shaped structure and the inner wall of the conical plate structure. According to the technical scheme, compared with the prior art, the problem that in the prior art, grinding equipment is large in noise is solved, and the utility model further provides the grinding equipment which has the same technical effect.
Owner:PUHLER (GUANGDONG) SMART NANO TECHNOLOGY CO LTD +1
Well type water inlet fairing cone surface protection structure
The utility model provides a well type water inlet fairing cone surface protection structure which comprises a cone head, a cone body, lifting lug plates and a supporting frame, the cone body is arranged on the cone head, the cone body is formed by welding a plurality of cone pipe joints from bottom to top, the lifting lug plates are arranged at the circumferential equally-dividing positions of the cone body, and the supporting frame is welded with the cone body. A plurality of longitudinal primary and secondary rib plates which are perpendicular to the conical pipe joint and are staggered are arranged on the top of the cone in the circumferential direction; a circle of annular stiffening ring is arranged on the inner side of the conical pipe joint. The cone is formed by splicing and welding a plurality of conical pipe joints, so that the surface of the cone can be effectively ensured to be attached to the surface of the fairing cone, and the structure of the cone is stable; the overall protection structure formed by welding the steel structures can also serve as a construction formwork, and the lifting lugs and the supporting frames are arranged, so that construction hoisting installation is facilitated; the inner surface of the cone adopts a box-shaped structure formed by staggered arrangement of the annular stiffening rings, the longitudinal main rib plates and the longitudinal secondary rib plates, so that the rigidity of the structure is improved, and the overall stability of the structure is ensured; the fairing cone surface protection structure is made of a Q345R steel plate, and the impact-resistant and wear-resistant effects are remarkable.
Owner:POWERCHINA HUADONG ENG CORP LTD
Adjustable supporting table
PendingCN120696701AWelding/cutting auxillary devicesAuxillary welding devicesFixed frameCircular cone
The embodiment of the invention provides an adjustable supporting table which aims at facilitating a welding machine to automatically weld a bus of a device and improving the welding efficiency of the bus of a conical device or a circular-truncated-cone-shaped device. According to the adjustable supporting table provided by the embodiment of the invention, a conical device or a circular-truncated-cone-shaped device is placed, a movable frame and a fixed frame are arranged in a stacked mode, a supporting device is located between the fixed frame and the movable frame, the supporting device is connected with the fixed frame and the movable frame, and the length of the supporting device is adjustable; the movable frame rotates around the first end of the fixed frame (or the movable frame) relative to the fixed frame, that is, the inclination angle of the movable frame relative to the reference plane can be adjusted, the inclination angle of the movable frame is the same as the inclination angle of a device bus, then the device bus is vertically placed, and a welding machine can automatically weld the device bus conveniently. And the welding efficiency of the bus of the conical device or the circular-truncated-cone-shaped device is improved.
Owner:WUCHANG SHIPBUILDING INDUSTRY GROUP CO LTD
Cutting machine using a diamond wire
PCT designated stageWO2025237776A1Metal sawing devicesFine working devicesRotational axisDrive shaft
This cutting machine comprises a spool (10) on which the diamond wire is wound. This spool comprises: - two end flanges (82, 100) comprising respective frustoconical faces which can centre the spool on an axis (30) of revolution by means of form-fitting engagement with frustoconical faces of two adapters, and - a drum (104) that extends from one of the end flanges to the other end flange, this drum comprising: - a cylindrical outer face of circular cross section, on which the diamond wire is wound, and - a central hole traversed by a drive shaft (32) from one end to the other. The drum (104) and the end flanges (82, 100) form just a single plastic block.
Owner:HI-TECH WIRES ASIA CO LTD +1