19 results about "Circular cone" patented technology

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.

The utility model relates to a kind of deviation rectification guiding type drill-anchor integrated trolley and its anchor rod propulsion deviation rectification device, the anchor rod propulsion deviation rectification device is set on the pushing path of anchor rod in drill-anchor integrated trolley, including two inner cone guiding half and two open-close support arms;Two inner cone guiding half are symmetrically arranged, butt joint to form guide pipe, guide hole is provided on the central axis of guide pipe, the inner diameter of guide hole gradually increases from front to back, anchor rod is gradually pushed from conical surface to the small round mouth side of front end when pushing from back to front, and the pushing direction is corrected when passing through guide hole;The top of open-close support arm is fixedly connected to the outer wall of inner cone guiding half, and is symmetrically arranged left and right.In the utility model, guide hole has conical surface, anchor rod can slowly slide to center from the conical surface of the large round mouth side of anchor rod propulsion deviation rectification device guide hole, realize centring, so that anchor rod can pass through guide hole, until the anchor rod hole of working face, quickly complete the alignment of anchor rod and anchor rod hole.

The present application belongs to the technical field of material performance test clamping device, and discloses a material microscopic mechanical property test clamping device of a composite loading mode, which comprises a clamp base body, the clamp base body is provided with a clamping entrance, the clamp base body is provided with a plurality of clamping petals along the circumference to form a clamping area, the clamping petals are in sliding connection with the clamp base body, and elastic members are connected between the clamping petals and the clamp base body; one side of the clamping petals is a right circular cone, and the small end of the right circular cone faces the clamping entrance; the clamp base body is in sliding connection with a sliding sleeve, and one end inside the sliding sleeve is in inverse conical shape; the sliding sleeve is connected with a driving member, the driving member drives the sliding sleeve to slide along the axis of the through hole of the clamp base body; and the clamping entrance is provided with an auxiliary centering assembly. The present application solves the problems of poor clamping stability of the current clamping device, uneven distribution of the clamping force on the sample, inability of the clamping structure to accurately grasp and fix, and easy deviation of the axis of the sample after clamping from the main shaft of the test equipment due to manual operation.

The utility model discloses a kind of welding needle for multi-pole ear battery spot bottom welding, belong to lithium battery welding technical field, including needle body and needle head, needle head is connected in one end of needle body, needle body is cylindrical structure, needle head is oblique circular cone structure, the bottom surface of oblique circular cone structure is connected with the front end surface of cylindrical structure;Along the axis direction of cylindrical structure, the projection point of the vertex of oblique circular cone structure on the front end surface of cylindrical structure, there is spacing between the center point of the front end surface of cylindrical structure, to reduce the rate of false welding, improve the welding quality of multi-pole ear battery spot bottom welding.

This utility model relates to a cylindrical-conical three-in-one device, comprising: a cylindrical body, the cylindrical body including an upper cylindrical body and a lower conical body sealed together, the lower conical body being an inverted cone shape, having a filtrate outlet one and a filtrate outlet two on the lower conical body, and a base plate at the lower end of the lower conical body; an upper filter assembly disposed within the upper cylindrical body, forming a first filter chamber between the upper filter assembly and the inner wall of the upper cylindrical body; and a lower filter assembly disposed within the lower conical body, forming a second filter chamber between the lower filter assembly and the inner wall of the lower conical body; wherein the upper filter assembly and the lower filter assembly are connected to communicate between the first filter chamber and the second filter chamber, and the filtrate outlet one and the filtrate outlet two are communicated with the second filter chamber. The beneficial effects of this utility model are: effectively increasing the filtration area, improving filtration efficiency, and being easy to assemble, disassemble, and clean.

A toy or educational building element (6) includes a planar base surface (7) and an opposing surface (8). The planar base surface (7) includes one or more connecting knobs (3) or one or more connecting sockets, the connecting knobs (3) or connecting sockets being made of a relatively rigid first material and adapted to releasably frictionally engage with connecting sockets or connecting knobs (3) on another building block in a toy building kit, while the opposing surface (8) is formed of a relatively elastic second material and extends within a truncated cone or pyramid (13), the outer periphery of the maximum / bottom base surface of which at least partially coincides with the outer periphery of the planar base surface (7) of the building element (6).

The application discloses a manufacturing process of a plum-blossom nail and application thereof. The manufacturing process of the plum-blossom nail comprises the following steps: step one, obtaining a cylindrical blank, wherein the blank has an upper end face and a lower end face; step two, placing the blank in a first die, upsetting the blank, forming a circular cone cavity in the blank, penetrating the upper end face, and obtaining a main body; step three, placing the main body in a second die, upsetting the main body, forming a blocking part on the upper end face, forming an everted part on the lower end face, and obtaining a semi-finished product; and step four, placing the semi-finished product in a third die, upsetting the semi-finished product, forming a through hole in the semi-finished product, penetrating the lower end face, and communicating the through hole with the circular cone cavity, and obtaining the plum-blossom nail. The plum-blossom nail obtained through the process solves the problems of difficulty in eversion of a traditional structure and easy rotation of a riveted object.

This utility model provides a combined tool holder using an NT50 to Capto C5 converter, comprising an NT50 tool holder, a connecting plate, and a Capto C5 tool holder. The connecting plate has a first inner hole and a second inner hole. One end of the NT50 tool holder is used to simultaneously engage with the inner conical surface and end face of the spindle of a CNC turning and boring machine. The other end of the NT50 tool holder is fixedly connected to the connecting plate by multiple first bolts. The Capto C5 tool holder is fixedly connected to the connecting plate by multiple screws. The Capto C5 tool holder includes a core sleeve, which is inserted into the second inner hole and interference-fitted with it. The inner wall of the core sleeve is triangularly conical, with the edges of the triangularly conical cone evenly distributed circumferentially and forming arcs. A second bolt for fixing the tool is threaded into the second inner hole. This utility model can achieve a tool change time of less than 2 minutes, a tool change repeatability accuracy of less than 0.005 mm, excellent connection rigidity, and can achieve cutting operations with a length-to-diameter ratio of 5, meeting the requirements of cutting operations.

This utility model discloses a tool for repairing potholes in airport cement concrete pavements, relating to the field of airport flight area pavement repair tools. It includes: a removal component comprising a drilling section and a cleaning section; the drilling section is a perfect circular cone, and the cleaning section has a sheet-like structure with both ends bent towards the center, and one end of the cleaning section is arc-shaped; a material feeding component comprising a filling section, which is a conical tube; and a finishing component comprising a compaction section and a smoothing section. When repairing damaged pavements, this tool first breaks up the damaged area using the drilling section of the removal component, then removes the broken debris using the cleaning section, then accurately pours the repair material onto the damaged area using the conical tube of the material feeding component, and finally compacts and smooths the repair material using the finishing component, ultimately restoring the pavement to a smooth surface.

The present application relates to the technical field of pipe material heat aging, in particular to a PEXA pipe material heat aging test box, which comprises a pull-out type frame body arranged in a test cavity, the pull-out type frame body comprises a rotating section, the rotating section is provided with a clamping piece and a bottom support piece; the conical table is rotated by 180 degrees, the dumbbell-shaped sample is clamped by the elastic clamp, at this time, the circular ring limits the movement range of the lower end of the dumbbell-shaped sample; the elastic clamp is rotated by 180 degrees, at this time, the inverted conical structure cooperates with the conical table to stably fix the straight pipe-shaped sample without stress, and the straight pipe-shaped sample is still through from top to bottom. The T-shaped plug-in high-stability locking, counterweight self-stability and double-position limiting mode are adopted, a multifunctional integrated clamping structure is formed, no clamping deformation of the sample in the heat aging test is realized, the sample is exposed to the maximum extent and anti-interference, and the core problems of stress concentration, uneven heat exchange and low position stability in the sample fixing mode in the traditional heat aging test are solved.

The application provides a disc spring device and a disc spring pressure performance prediction method, and relates to the technical field of disc springs. The conical surface of the disc spring body is provided with a stress release groove extending in the radial direction. The upper surface of the disc spring body is provided with an annular groove, and a flexible strain sensor is embedded in the annular groove. The flexible strain sensor is electrically connected with the data acquisition and processing unit and is used for collecting and processing strain signals. The application sets a radial stress release groove on the conical surface of the disc spring body, and a circular arc structure is used for the groove bottom to eliminate sharp corner stress concentration. From the structural design level, the early fatigue crack problem caused by stress concentration on the inner edge upper surface of the traditional disc spring is solved. At the same time, the stress state is monitored in real time through the flexible strain sensor, real-time data support is provided for performance evaluation, and the service life and operation reliability of the spring are significantly improved.

The utility model discloses a kind of aluminium alloy extrusion dies of quick replacement die core, it is related to extrusion die field, this kind of aluminium alloy extrusion die of quick replacement die core includes shunt bridge, multiple shunt holes are formed with equiangular interval on shunt bridge, connecting protrusion is formed at the center of one side of shunt bridge, threaded hole is set up at the axis of connecting protrusion;This kind of aluminium alloy extrusion die of quick replacement die core is protected by coaxial abutting protrusion end face hard seal, circular ring convex concave labyrinth seal and circular cone surface self-tight sealing triple protection, completely block aluminum liquid intrusion thread path, radically cure bolt seizure stubbornness;Combined with the flow guide of spoiler part and die core camber surface reinforcement design, while ensuring the rigidity of connection, die core is quickly disassembled, and trial mold cycle is shortened.

The application discloses a high-temperature-resistant transmission bearing assembly and a robot, and relates to the technical field of bearing high-temperature resistance.The high-temperature-resistant transmission bearing assembly comprises a silicon nitride bearing, a high-temperature shaft, a low-temperature shaft, a cone sleeve, a bearing seat and an end cover, a self-lubricating composite lining layer is arranged on the outer conical surface of the cone sleeve, a heat insulation layer is arranged between the high-temperature shaft and the low-temperature shaft, two-stage elastic supporting elements are arranged in parallel in the end cover, and an axial deviation rectifying device with a floating thrust ring is arranged.The bearing assembly has good high-temperature resistance, effectively realizes high-temperature and low-temperature zone heat insulation, protects the low-temperature side bearing, still has long-term compensation capacity in places such as fire scenes where temperature changes frequently, can avoid thrust eccentricity, makes the cone sleeve bear pressure uniformly, thereby ensuring that the bearing is pressed uniformly, effectively solves the problem of over-compensation of extreme temperature difference, and prevents the bearing from being damaged due to overload.

The utility model relates to a cone crusher, especially a cone crusher fixed cone locking device, including frame, the inside of frame places fixed cone, the outside fixed connection of frame has fixed cylinder, the top and lower part of fixed cylinder close to frame one side all fixedly connected with the mechanism of jacking, the top and lower part of fixed cylinder away from frame one side all fixedly connected with the limiting mechanism. The utility model improves the stability of fixed cone fixed, when fixed cone fixed, the distance from the left side of connecting column to the inner wall of cylinder and the length of limiting column are adapted, under the elastic force of second spring makes limiting column can insert through -hole, and make limiting column and connecting column are pasted, thereby carries out the limiting to connecting column, guarantees hydraulic telescopic pole under the condition that the top block retracts because of breakdown shutdown, and the plug -in plate can not separate from the slot, makes fixed cone more firm.

The utility model discloses a high anti -vibration integrated waveguide coaxial converter, integrated shell, coaxial connector and end cover, the integrated shell includes integrated flange plate, circular waveguide pipe and integrated mounting seat, the integrated flange plate is equipped with the continuous circular conical surface transition structure at the root joint of circular waveguide pipe, the coaxial connector is connected through the internal thread wall of integrated mounting seat of outer thread, the end cover sets up at the right -hand member of circular waveguide pipe, the utility model has the advantages of: through integrated shell structure design, integrated flange plate, circular waveguide pipe, integrated mounting seat integral forming, the interface fracture risk of traditional welding type waveguide converter is thoroughly eliminated, and the stress dispersion effect of the stress characteristic of uniform distribution of circular waveguide pipe section and conical surface transition structure is combined, makes stress concentration coefficient reduce under the vibration environment, and compared with the transmission welding type structure, the anti -vibration life is improved.

The utility model discloses an umbrella -like top centre structure for middle hole shaft processing relates to machining technical field, including umbrella -like top centre head, connecting column and quick -change connecting sleeve. The umbrella shape locating surface of umbrella -like top centre head is composed of conical surface and annular plane, and the circular recess is set up in the middle part of annular plane and is built -in top block, and the screw thread drive of connecting column can drive top block to retract in the recess, to adapt to the middle hole shaft center hole of different depth. The outer thread of connecting column rear end is linked with quick -change connecting sleeve, and quick -change connecting sleeve sets up standard taper interface and adapts lathe tailstock. The cross net -like antiskid texture is established to top block front end surface, and the annular sliding slot of umbrella -like top centre head other end cooperates with the slider of internal thread sleeve, and the length of top block is adjusted through the rotation internal thread sleeve drive connecting column. The structure has solved the problem of the positioning instability of traditional top centre because of the depth difference of center hole, has the advantages such as convenient adjustment, support stable, strong adaptability and installation efficient, is applicable to the high -precision processing of middle hole shaft.

This utility model relates to the technical field of single-cylinder cone crushers, and in particular to a liner positioning structure for a single-cylinder cone crusher. It includes a fixed base, a conical base plate fixedly mounted on the top of the fixed base, and a fixed column fixedly mounted on the top of the conical base plate. The fixed column contains an installation and disassembly assembly. A conical liner body is mounted on the top of the conical base plate, and an installation sleeve is mounted on the top of the conical liner body. The conical base plate and the conical liner body are detachably connected. This utility model firstly uses a first hinge rod to hinge with the inner wall of the rectangular bin and the side wall of the sliding sleeve, respectively. The lifting plate moves up and down, causing the first and second hinge rods to rotate. This rotation of the first and second hinge rods facilitates the sliding rod to slide within a third through hole, preventing it from engaging with the limiting groove. This allows operators to easily install and disassemble the installation sleeve and the conical liner body.

The application discloses a nozzle, a forward nozzle, a backward nozzle and related applications. The nozzle comprises a forward nozzle and a backward nozzle. The first end of the forward nozzle is provided with a first spherical surface, and the second end is a circular arc cone body. The forward nozzle further comprises a first nozzle hole which is composed of a first flow guide cone hole, a first straight-through hole, a second flow guide cone hole and a second straight-through hole which are sequentially connected. The front end of the backward nozzle is provided with a second spherical surface. The outer side surface of the backward nozzle comprises a first circular arc conical surface, a first conical surface and a second conical surface which are smoothly connected in sequence. The backward nozzle is provided with an internal flow channel and a plurality of second nozzle holes which are sequentially connected by a third flow guide cone hole, a third straight-through hole and a fourth straight-through hole. The flow channel side surface of the internal flow channel comprises a second circular arc conical surface and a third conical surface which are smoothly connected in sequence. Compared with a conventional nozzle, the nozzle structure provided by the application can reduce the pressure drop of the nozzle during operation, improve the efficiency of rock shooting of the nozzle, and optimize the size of the nozzle. Furthermore, the nozzle can more easily realize radial turning and complete drilling.