3583 results about "Conical surface" patented technology

The invention discloses a vertex measurement device and method based on a spectral confocal technology, and the method comprises the steps: transmitting a plurality of light beams through a plurality of light-emitting apertures which are arranged in a preset geometrical shape, carrying out the dispersion of the plurality of light beams into dispersion light beams with different wavelengths through a dispersion lens, irradiating the dispersion light beams to the surface of a measured workpiece, receiving reflected light, and carrying out the measurement of the measured workpiece. The reflected light is transmitted to the spectrum analysis device through a corresponding optical fiber channel; the spectrum analysis device analyzes the light intensity and wavelength of each group of reflected light and extracts spectrum data; calculating the height or space coordinate of the vertex of the surface of the workpiece according to the change condition of the spectral data of each group of reflected light rays; the processing circuit outputs the calculated vertex height or space coordinate information; according to the method, the vertex information of the workpiece can be effectively derived through ingenious spectral analysis and geometric fitting technologies, and the method has wide applicability and is particularly suitable for vertex measurement scenes of high-precision spherical surfaces, aspheric surfaces and conical surfaces.

The invention discloses a rod type six-component optical fiber balance and an FBG grating installation method, and belongs to the technical field of optical fiber balances. The problems that an existing optical fiber balance is low in sensitivity, the measuring capacity of the existing optical fiber balance is affected, and wiring is not convenient are solved. A first group of four-column strain beams, a resistance element supporting sheet, a second group of four-column strain beams and an equal straight section are sequentially arranged between a model end conical surface and a fixed end conical surface, a resistance element elastic element is arranged on the resistance element supporting sheet, and the equal straight section is connected with the fixed end conical surface through an M42 left-hand thread; the first set of four-column strain beams, the second set of four-column strain beams and the resistance element supporting piece are all provided with optical fiber wiring grooves machined along the centers of the beams, and optical fibers are arranged in the optical fiber wiring grooves. According to the rod type six-component optical fiber balance and the FBG grating installation method, the measurement capability of the optical fiber balance and the wiring convenience are improved, on the other hand, a sensitization structure is optimized to a certain degree, and the sensitivity of the optical fiber balance is improved.

The invention discloses a robot tail end passive quick-change device, which comprises a quick-change robot end, a quick-change tool end, a quick-change tool end and a locking conical surface, a plurality of steel balls matched with the locking conical surface are arranged at the top of the quick-change tool end, a movable space allowing the piston to move up and down is formed in the quick-change tool end, a spring is arranged in the movable space, the piston is sleeved with the spring, and when the piston controls the steel balls to move outwards and abut against the locking conical surface, the locking conical surface abuts against the locking conical surface. The spring applies longitudinal locking force to the piston so that the quick-change robot end and the quick-change tool end can be locked. And the push rod components are located on the two sides of the quick-change tool end correspondingly, the ends of the push rod components can stretch into the moving space, and the push rod components are used for pushing the piston to move upwards so that the quick-change robot end and the quick-change tool end can be unlocked.

The invention discloses a non-contact polishing device based on a structured surface polishing tool. The non-contact polishing device comprises a working platform, a workpiece clamping driving assembly and a polishing solution pressurizing assembly are correspondingly arranged on the working platform; the polishing solution pressurizing assembly comprises a structured surface polishing tool correspondingly arranged below the workpiece clamp. The structured surface polishing tool is of a groove-shaped structure, the bottom of the structured surface polishing tool is in a conical surface shape with the outer portion higher than the inner portion, and shifting rods distributed in a radial shape are arranged on the conical surface in groups. During working, polishing liquid in the structured surface polishing tool can be dispersed towards the edge of the polishing tool driving device under the synergistic effect of centrifugal force and the shifting rod, and the pressure of the polishing liquid acting on the surface of a workpiece to be machined is increased. In the machining process, the polishing solution forms a continuous flow field on the surface of the workpiece, then the force rheological polishing solution generates shear stress on the surface of the workpiece to be machined, the material on the surface of the workpiece is evenly removed, the pressure, acting on the surface of the workpiece, of the force rheological polishing solution is improved through the structured surface polishing tool, and the polishing efficiency is improved.

The invention provides a double-curved-surface hole wall rotational flow umbrella oil nozzle for low-carbon fuel and a machining method, and relates to the technical field of gas turbine fuel injection. The nozzle comprises a needle valve, a needle valve seat, a spraying hole and a rotational flow groove; the needle valve and the needle valve seat form a sealing conical surface, the inner wall face of a spraying hole of the curved-surface rotational flow umbrella spraying nozzle is a double curved surface, the double curved surface and the sealing conical surface form a ruled surface, the rotational flow groove is formed in the inner wall face of the spraying hole, and the direction of the rotational flow groove is the generatrix of the ruled surface. The inner wall face of the spraying hole is designed to be the curved face, fuel is better guided to flow in the oil nozzle, the area of a low-pressure area is reduced due to sudden change of the direction in the fuel flowing process, and therefore cavitation is restrained from occurring and developing, and the phenomena that the spraying hole is blocked and mist spraying is unstable due to cavitation are improved; the rotational flow grooves in the curved surface can be achieved through the electric spark machining technology, the machining difficulty is reduced, meanwhile, the turbulent kinetic energy and the radial momentum of fuel can be effectively improved, spray distribution is more uniform, and the atomization quality is improved.

The invention relates to the technical field of pinhole piece wall thickness detection, in particular to an electric connector pinhole piece wall thickness detection device and method, a swing arm is rotationally installed on an adjusting frame, the swing arm is pressed on the upper end face of a pinhole piece, and a limiting piece for limiting the swing arm to rotate away from the pinhole piece is arranged on the adjusting frame; the device has the beneficial effects that by arranging the detection conical column with the standard size, the pressing height of the hole opening of the pinhole piece and the conical surface of the detection conical column and the inner diameter of the hole opening are detected, meanwhile, the thickness measuring probe is accurately inserted into the detection hole, the thickness measuring probe can conveniently detect the inner contour of the detection hole, and the detection efficiency is improved in the detection process. During detection, only the pinhole piece needs to be controlled to stably descend, so that the detection efficiency is greatly improved, the detection steps are simplified, the device is suitable for large-scale detection, and whether the internal contour of the detection hole is qualified or not can be judged by comparing the inner diameter data of the orifice with the detection data of the thickness measuring probe.

The invention discloses a fire-fighting power box with a multifunctional self-rescue jetting device, which comprises a base, a power box body is arranged on the base, a fireproof door assembly is arranged on one side of the body, the body comprises a lower-layer electric appliance box and an upper-layer isolation rescue box, a hydraulic lifting mechanism is arranged in the center of the isolation rescue box, and the hydraulic lifting mechanism is connected with the power box. The output end of the upper portion of the hydraulic lifting mechanism is connected with a spraying device. The spraying device comprises a hollow bowl-shaped base, a conical surface cover is arranged at the upper end of the bowl-shaped base, and a vertical spraying head column is arranged at the upper end of the conical surface cover; in case of fire, shower type self-rescue spraying at the upper end of the body can be realized, so that a self-rescue safety area is formed near the power box; and meanwhile, the danger-related personnel can conveniently use the quick-release spray gun after quickly taking down the quick-release spray gun in the self-rescue safety area by matching the quick-release spray gun arranged on the conical surface cover with threaded connection and quick insertion and extraction of the operation water pipe in the lower auxiliary window.

The invention discloses a pipeline inner wall panoramic three-dimensional scanning device and a measuring method, and the device comprises a panoramic plane laser generator which comprises a point laser generator, an axicon, a laser focusing lens, a conical surface reflector and a transparent cylindrical support, and is used for transmitting a 360-degree panoramic plane laser beam to the inner wall of an object to be measured; according to the invention, single-exposure full-circumferential high-precision three-dimensional measurement is realized, and the device can synchronously obtain complete three-dimensional point cloud data of the circumference of the inner wall of the whole pipeline at the moment of single exposure through innovative combination of a panoramic annular imaging system and a panoramic planar laser projection technology; the method has the advantages that axial rotary scanning or multi-view data splicing required by a traditional method is avoided, measurement efficiency is improved, splicing accumulative errors are avoided, laser stripe image acquisition is complete and free of breakpoints, and completeness and accuracy of three-dimensional reconstruction data are guaranteed from the source.

The invention relates to the field of cable connectors, and discloses a separable cable connector which comprises a shell assembly composed of an upper shell body, a middle shell body and a lower shell body which are detachably connected, and the middle shell body is connected between the upper shell body and the lower shell body; the insulator is installed in the shell assembly, a conical groove is formed in the bottom of the insulator, an assembling groove is formed in the top of the insulator, and a sleeve is installed in the assembling groove; and the conical stress body is mounted in the conical groove, and the lower shell is in contact with the conical stress body. According to the self-locking terminal assembly, the shell assembly composed of the upper shell, the middle shell and the lower shell supports local overhaul, the shell does not need to be integrally disassembled, meanwhile, the situation that an internal insulator is damaged due to disassembly operation is avoided, the maintenance cost is reduced, and the self-locking terminal assembly adopts a three-dimensional composite design of a groove-shaped structure, conical surface matching and spiral screwing; axial screwing-in force is converted into radial locking force, and bidirectional anti-vibration locking of the cable conductor is achieved.

The invention discloses a reverse transmission locking and overload protection double-acting mechanism and an electric cylinder. The double-acting mechanism comprises a first shaft sleeve, a second shaft sleeve and a third shaft sleeve, the transmission wheel is movably arranged on the first shaft sleeve in a sleeving manner; the groove plates are oppositely and fixedly mounted on the transmission wheel in the circumferential direction and are provided with grooves for placing the balls; the retainer is mounted on the first shaft sleeve in a torque transmission connection manner and is provided with a first mounting hole for accommodating the ball; the convex sleeve is installed on the first shaft sleeve in a torque transmission connection mode, the first end of the convex sleeve is in direct or indirect contact connection with the balls, and a convex structure is arranged at the second end of the convex sleeve; the taper sleeve is connected to the lead screw shaft through a key, the small end of the taper sleeve is provided with a groove structure matched with the protruding structure, and the taper sleeve is provided with an outer conical surface; the sleeve is relatively and fixedly connected with the shell of the electric cylinder and is provided with an inner conical surface matched with the outer conical surface of the conical sleeve; one end of the compression elastic piece is pressed on the limiting end face fixed relative to the lead screw shaft, and the other end of the compression elastic piece abuts against the large-head end face of the taper sleeve.

The invention discloses a stabilizing support of an air sampler, and belongs to the technical field of environment monitoring equipment, the stabilizing support comprises a support body and a bearing platform used for bearing the sampler, the top of the support body is connected with the bearing platform through a universal spherical hinge assembly, and the universal spherical hinge assembly comprises a base, a universal ball head and a short supporting column; the universal ball head is connected with the bearing platform through a short supporting column, a gravity center adjusting bin is fixedly arranged below the bearing platform, a lantern ring type locking mechanism is arranged on the opening portion of the base, and three or more radial guide grooves are formed in the end face of the opening portion of the base in the circumferential direction of the base. Each radial guide groove is internally provided with a locking block capable of sliding along the groove, the locking lantern ring can be rotated to move in the axial direction of the base, and then the locking blocks are driven to synchronously move inwards along the radial guide grooves through the conical surface extrusion effect so as to tightly hold the universal ball head. The problems that in the prior art, leveling efficiency is low, locking is prone to loosening, and the anti-overturning capacity is poor are effectively and comprehensively solved.

The utility model relates to the technical field of connectors, in particular to a sealed waterproof energy storage connector, which comprises a male seat and a female seat. The male seat comprises a first body; the first body is provided with a boss; the female seat comprises a second body; the second body is provided with an accommodating groove; the boss is inserted into the accommodating groove; a sliding ring is arranged in the accommodating groove in a sliding manner; a sealing ring is arranged at one end of the sliding ring; a first conical surface is arranged on the inner wall of the accommodating groove; a second conical surface is arranged on the outer wall of the boss; the sealing ring is movably arranged between the first conical surface and the second conical surface; a spiral groove is formed in the outer wall of the boss; the sliding ring is provided with a fixing pin. According to the utility model, the male seat and the female seat rotate relatively, and the sealing ring slides to a position where the space between the accommodating groove and the boss is small, so that the sealing ring can be tightly fixed between the accommodating groove and the boss, a user can conveniently fix the male seat and the female seat, and the damage to the sealing ring can be reduced.

The invention discloses a three-eccentric center butterfly valve body sealing face machining tool, belongs to the technical field of valve machining, and aims to solve the problems that an existing three-eccentric center butterfly valve body sealing line is low in machining precision, and valve body interchangeability is poor. Comprising a swash plate and a positioning plate, the swash plate comprises a top plate and a bottom plate which are connected, the included angle between the top plate and the bottom plate is arranged according to the included angle between the axis of the valve body and the axis of the valve seat cone, the positioning plate is connected with the top plate, and a positioning convex spigot is formed in the upper end face of the positioning plate. According to the three-eccentric center butterfly valve sealing conical surface positioning and machining device, precise positioning and machining of the valve seat sealing conical surface of the valve body can be achieved, manual alignment is not needed, the machining precision is high, interchangeability exists between valve bodies of a three-eccentric center butterfly valve, and the field maintenance difficulty is lowered.

The invention discloses a laser cutting machine for aluminum profile machining, and relates to the technical field of laser cutting machines for aluminum tube machining. The grinding unit is used for grinding the cutting edge of the aluminum profile cut by the laser cutter, the driving unit is used for driving the grinding unit to periodically rotate, and the adjusting unit is used for being matched with the laser cutter to move to adjust the position of the grinding unit. A torsional spring is arranged between a fixing plate and a laser cutting head, so that a shearing needle is elastically connected with the laser cutting head, the effect that the shearing needle moves along with the laser cutting head in the same path is achieved, and the shearing needle is more stable in shearing due to the fact that a conical surface is arranged on the outer wall of the shearing needle and matched with a second spring to release elastic force downwards to the shearing needle. The shearing needle is extruded into a cutting seam of the aluminum profile, the effect of synchronously conducting laser cutting and grinding is achieved, the shearing needle at the top of the cutting waste is driven by a second spring to downwards push the cutting waste, and it is ensured that the cutting waste is completely separated from the aluminum profile.

The invention discloses an integral compression molding method for a hard alloy liner of a high-capacity ball mill with reinforcing rib mounting grooves, the liner comprises a shell and a bottom plate, the shell comprises a small cylindrical surface, a small conical surface, a large conical surface and a large cylindrical surface which are sequentially connected from top to bottom, and the bottom plate is arranged at the bottom of the large cylindrical surface. The method comprises the following steps of mold assembling, pressing, demolding and sintering, a pressed inner container shell and a pre-sintered bottom plate are subjected to barge firing, and finally the hard alloy inner container of the large-capacity ball mill is obtained. Through the mode that the square core shaft is combined with the four-section inner mold, the mold can be conveniently installed and demolded.

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.

The utility model relates to the technical field of positioning tools, and particularly discloses a quick positioning device for processing internal and external key grooves, which comprises a mandrel, an expansion sleeve, a nut and a processing workpiece, a threaded section is arranged on the surface of the mandrel, a positioning block is fixedly arranged on the surface of one end of the mandrel, a clamping groove is arranged on the outer circumferential surface of the expansion sleeve, and key grooves are arranged in an inner hole of the processing workpiece. Positioning strips are fixedly arranged on the outer circumferential surface of the expansion sleeve. According to the technical scheme, the opening seams are evenly distributed in the two ends of the expansion sleeve, the mandrel is attached to the conical surface of the expansion sleeve, the expansion sleeve is matched with the nut to achieve radial expansion of the expansion sleeve and used for clamping a workpiece, the positioning strip of the expansion sleeve is connected with the key groove of the machined workpiece in a clamped mode, and anti-play assembly of the expansion sleeve and the machined workpiece is achieved. The mandrel is clamped into the clamping groove of the expansion sleeve through the positioning block to achieve anti-play assembly of the mandrel and the expansion sleeve, so that when the two ends of the mandrel are fixed, a machined workpiece can be rapidly positioned, and the outer key groove to be machined of the machined workpiece can be conveniently machined.

The invention belongs to the technical field of engineering elements, and discloses a pressure selection valve, a pressure stop valve structure and a hydraulic system. The pressure selection valve at least comprises a valve sleeve, a first valve element and a second valve element, the valve sleeve is at least provided with a first oil port and a second oil port, the first oil port and the second oil port are communicated with an inner cavity of the valve sleeve, and the first valve element and the second valve element are sequentially arranged in the inner cavity in a sliding mode. When the oil pressure at the first oil port is larger than that at the second oil port, the first valve element can abut against and push the second valve element, so that the second valve element can stretch out through the first opening and abut against and push an external stress piece. When the oil pressure at the first oil port is smaller than the oil pressure at the second oil port, the first valve element and the second valve element are far away from each other, and the second valve element can stretch out through the first opening and abut against an external stress piece. According to the pressure selector valve, a conical surface sealing structure is omitted, the machining difficulty of the hole and the valve element is reduced, the machining cost is saved, and the pressure selector valve has good economical efficiency.

The invention provides a rescue fuel transportation device and belongs to the technical field of rescue devices.The rescue fuel transportation device comprises an unmanned aerial vehicle, a lifting frame, an oil tank and a quick connector, the unmanned aerial vehicle is provided with a sensing module and a communication module, and supporting legs and clamping assemblies located at the bottoms of the supporting legs are arranged at the bottom of the unmanned aerial vehicle; the lifting frame is provided with a lifting rod matched with the clamping assembly. The oil tank is connected with the lifting frame, and the oil tank is provided with a detection module and a recording module; the quick connector is arranged at the bottom of the oil tank and extends out of the lifting frame, the quick connector comprises a shell, a plugging block and a reset mechanism, the plugging block is arranged in the shell in a sliding fit mode in the vertical direction, the reset mechanism is arranged in the shell, and a first oblique conical surface is arranged on the inner wall of the lower end of the shell; the plugging block is provided with a second oblique conical surface matched with the first oblique conical surface, and the reset mechanism is used for pushing the plugging block so that the second oblique conical surface can abut against the first oblique conical surface.

The utility model relates to a monitoring variable-pressure coffee machine, which aims at solving the technical problems that the existing similar products are difficult to realize the setting and adjustment of extraction pressure gears through program or motor control, and a variable-pressure valve group module assembly needs to be improved. The coffee machine is characterized in that a stepping motor is arranged at the top of a main body support above a variable pressure valve group module of the coffee machine, a transmission shaft at the stepping motor extending into the main body support is connected with the extending end of a piston ejector rod of the variable pressure valve group module through an ejector rod connecting shaft, and the ejector rod connecting shaft is a coupler; the inner wall conical surface at the position of a cavity limiting platform in a cavity main body of the pressure transformation valve group module corresponds to and is aligned with the outer diameter conical surface at the position of an ejector rod limiting platform of a piston ejector rod in the pressure transformation valve group module, a water outlet is formed in one side above the cavity limiting platform in the cavity main body, and a compression spring is arranged on the outer diameter of the piston ejector rod in the cavity main body; the piston ejector rod is driven by the ejector rod connecting shaft and the stepping motor to move up and down, and the distance between the ejector rod limiting platform and the cavity limiting platform is adjusted.

The utility model discloses a shape-preserving assembly tool for a thin-wall composite material shell with a groove, which belongs to the technical field of composite material processing, and comprises a sliding block component, a plurality of first sliding blocks and a plurality of second sliding blocks, the sliding block component comprises a plurality of first sliding blocks and a plurality of second sliding blocks, the first sliding blocks and the second sliding blocks can be spliced into a whole cylinder at intervals, a through hole is formed in the whole cylinder, and two ends of the through hole are conical holes; the tensioning gasket set is arranged in the sliding block assembly and comprises two circular gaskets, the two circular gaskets are connected in series through a screw rod assembly, the peripheries of the two circular gaskets are machined into conical surfaces matched with the conical holes, and the distance between the two circular gaskets is adjusted through the screw rod assembly to open the sliding block assembly. And the appearance size of the metal thin-wall part is effectively guaranteed.

The invention provides a three-layer lamination differential type conical surface multi-dimensional deformation mechanism, and particularly belongs to the technical field of aircrafts. The three groups of outer-layer supporting sheets, middle-layer supporting sheets and inner-layer supporting sheets are circularly and sequentially arranged, so that the differential type supporting sheets cannot interfere with one another and can form a complete conical surface shape after being completely unfolded in place, and a conical surface formed by the supporting sheets is good in leakproofness and supporting performance. The device comprises a conical surface body and an actuating ring, and further comprises a guide ring, a transmission assembly and a supporting assembly. An actuating ring and a guide ring are arranged on the outer side of the conical surface body, the guide ring is located below the actuating ring, a supporting assembly is arranged below the guide ring and arranged at an opening of the bottom face of the conical surface body, and a transmission assembly is arranged between the guide ring and the supporting assembly. A spherical hinge is fixedly mounted on the bottom surface of the actuating ring, a spherical hinge is fixedly mounted on the top surface of the guide ring, and a rigid rod is arranged between the two spherical hinges; a guide groove is formed in the inner side of the actuating ring, and a linear guide piece is arranged in the guide groove.

The invention provides a chuck type medical bone drill which is of a pen-shaped structure, and internal parts are concentrically arranged with a transmission shaft as the axis. The head end of the bone drill is detachably connected with a drill bit through a conical chuck; a locking block which is matched and locked with the conical chuck through a conical surface is arranged in the bone drill; the tail end of the conical chuck is connected with a transmission shaft, a shaft body of the transmission shaft is connected with a button on the side face of the bone drill through a bearing mechanism, and the button is pushed to link the conical chuck to move front and back to achieve opening and closing locking. According to the bone drill, the design structure of the conical chuck is adopted, and the defects that an abrasive drill is popped out and falls off, and a popping mechanism is prone to being clamped when the abrasive drill is put in are overcome; meanwhile, the abrasion drill is locked through front-back movement of the button, compared with knob type locking, the abrasion drill is convenient to install or replace, meanwhile, the internal structure of the bone drill is simplified, dynamic response is timely, friction in the abrasion drill is effectively reduced through the design of one transmission shaft, and the conditions of heat conduction and temperature rise of the abrasion drill are reduced; and high-efficiency operation can be realized under the condition of long-time operation.

The utility model relates to the technical field of bearing disassembly metallurgy vehicle automatic joint devices, in particular to a double-four-connecting-rod lifting steel ladle bottom argon blowing automatic joint device which comprises a bottom argon blowing arc-shaped male joint, a high-temperature-resistant seal and a supporting frame, and the bottom argon blowing arc-shaped male joint is arranged above a fixing rod and can slide up and down. The device is characterized in that a four-connecting-rod lifting mechanism is arranged in the supporting frame, and the four-connecting-rod lifting mechanism is connected with the fixing rod; the bottom argon blowing arc male connector and the fixing rod are directly provided with a compression spring. The utility model has the advantages that: firstly, the spherical guide of the male connector is utilized, the sealing connection of the conical spring is reliable, the ladle car can be transformed and used on the basis of the original ladle car, the manufacturing cost is low, the sealing is reliable, steel slag blocks can conveniently flow down along the conical surface, the conical surface sealing is not easy to remain steel slag, and the conical surface is firmly matched without air leakage; and secondly, the device is simple in structure and convenient to transform and install, the working intensity of the bottom argon blowing joint of a maintainer is reduced, and the steelmaking labor productivity is improved.

The invention discloses an energy-saving kitchen electric meat grinder, and belongs to the technical field of electric meat grinders, the energy-saving kitchen electric meat grinder comprises a driving unit for driving a cutting shaft to rotate and a meat grinding vessel, the bottom end of the meat grinding vessel is fixedly connected with a base, and the axis of the top end of the base is connected with a butt joint limiting shaft; a sealing discharging assembly used for protecting the bottom end of the cutting shaft is arranged outside the butt joint limiting shaft. According to the meat mincing device, through the arrangement of the sealed discharging assembly, when a double-cone body rotates along with the cutting shaft, meat blocks can be guided to move by utilizing the geometrical characteristics of the conical surface of the double-cone body, so that the meat blocks are continuously discharged outwards from the bottom of the axis, the meat blocks are prevented from being accumulated at dead angles, and the meat mincing uniformity and efficiency are improved; when the cutting shaft approaches to stop rotating, locking is released through the I-shaped ring and the driving ring, so that the upward cutting blade and the downward cutting blade rotate freely, system resistance is released immediately, a driving unit and the blades are protected against extreme load damage, and the equipment jamming fault is avoided.

According to the robot vision calibration device and method, through collaborative design of the industrial personal computer, the vision system, the robot, the calibration jig and the calibration plate, the problems caused by complex structure, low calibration precision and poor adaptability in the prior art are solved. A floating mechanism of the calibration jig is combined with a displacement sensor to realize multi-degree-of-freedom dynamic displacement compensation, so that mechanical positioning errors are remarkably reduced; the conical surface guide structure and the reference hole layout of the calibration plate optimize the stability of the positioning reference, and ensure the accurate embedding of the calibration needle. The flexible installation of the visual system adapts to different scene requirements. According to the calibration method, the generation of a high-precision visual calibration matrix is realized through the processes of multi-reference hole coordinate recording, calibration ring coordinate calculation and visual image acquisition and matching. According to the whole scheme, through a dynamic compensation mechanism and intelligent process design, the calibration precision, efficiency and robustness are improved, meanwhile, the operation complexity is reduced, and reliable technical support is provided for an industrial automation scene.

The invention relates to the technical field of batteries, in particular to a battery cover plate assembly and a battery, the battery comprises a shell and a pole group, the pole group is mounted in the shell, the battery cover plate assembly comprises a cover plate, a pole column and a fixing ring, the cover plate is mounted at the opening end of the shell, a mounting through hole formed in the first preset direction is formed in the cover plate, and the pole column is mounted in the through hole; mounting through holes are also formed in the pole columns, and the tabs of the pole group penetrate through the mounting through holes to be bent and then abut against the pole columns; the pole comprises a body and a mounting lug boss, and the mounting lug boss is arranged in the shell; the fixing ring is arranged outside the mounting lug boss in a sleeving manner; and the inner wall of one end of the fixing ring is provided with a flanging and riveting matching conical surface which is matched with the end part of the mounting lug boss. The brand new cover plate structure is provided, a connecting piece is removed, the space utilization rate is improved, the cover plate, the upper insulating part, the lower insulating part and the like are fixed together through the fixing ring, the turning riveting matching conical surface is matched with the installation protruding part, and the stability and firmness after assembly are improved.

The present application relates to a kind of rocket engine injector thin-wall milling self-positioning fixture and assembly method, it mainly includes upper positioning tire body component, conical surface expansion ring, tire unloading bottom plate, pressing cover plate, tire unloading lifting ring, pressing bolt, expansion screw, lower positioning bottom plate component, locking bolt, long fixed bolt, lower positioning bottom plate component is fixed in machine tool workbench by locking bolt long-term, always not disassembled.Product is positioned and clamped and supported by conical surface expansion ring, tire unloading bottom plate, pressing cover plate, pressing bolt, expansion screw before milling injector thin-wall and positioning tire body component, limit the radial and axial movement of injector thin-wall;Injector thin-wall is positioned and clamped and supported by conical surface expansion ring, tire unloading bottom plate, pressing cover plate, pressing bolt, expansion screw before milling injector thin-wall and positioning tire body component, limit the radial and axial movement of injector thin-wall;Injector thin-wall is positioned and clamped and supported by conical surface expansion ring, tire unloading bottom plate, pressing cover plate, pressing bolt, expansion sleeve before milling injector thin-wall and positioning tire body component, limit the radial and axial movement of injector thinn

The utility model relates to the technical field of sensors, in particular to a sensor with high pressure resistance. The sensor with the high pressure resistance comprises a shell and a core body, the shell is provided with a first mounting port and a second mounting port which are communicated with the interior of the shell, the first mounting port is used for being communicated with an outlet of a pressure container, the second mounting port is used for mounting the core body, and the first mounting port and the second mounting port are located at the two axial opposite ends of the shell respectively; wherein an inner conical surface is arranged on the inner wall of the shell, an outer conical surface is arranged on the outer wall of the core body, and the outer conical surface is in interference fit with the inner conical surface in an installation state. According to the scheme, the problem that the core body is damaged due to the fact that the welding temperature is too high can be avoided, and the process of installing the core body into the shell is more convenient.

The invention relates to the technical field of flange machining, in particular to flange production and machining equipment which comprises a base and a vertical plate fixedly connected to the upper side of the base, a top frame extending towards the front side is fixedly connected to the top of the vertical plate, and locking mechanisms used for synchronously locking a plurality of hubbed flanges are arranged on the vertical plate at equal intervals. The locking mechanism and the polishing mechanism are used in cooperation, polishing of the surfaces of the multiple hubbed flanges of different types can be completed synchronously, the applicability is high, the polishing efficiency is high, and the polishing effect is good. The hubbed flange polishing device can adapt to polishing machining of hubbed flanges with different diameters, different inner hole diameters and different conical surface angles, the performance is excellent, meanwhile, the single-time machining amount of the hubbed flanges is remarkably increased, the working efficiency can be effectively guaranteed, and then the production efficiency of the hubbed flanges is guaranteed.