73 results about "Radial position" patented technology

The invention discloses a design method of a star simulator three-dimensional divertor target plate, and belongs to the technical field of magnetic confinement fusion. The method comprises the following steps: firstly, deducing a circumferential thermal load uniformity theoretical model, then, calculating background information required by target plate generation, and finally, carrying out target plate generation by using the obtained background information and the circumferential thermal load uniformity theoretical model. The target plate is generated based on parameter control, the target plate capable of achieving uniform distribution of the circumferential thermal load is provided, the circumferential uniform distribution of the thermal load of the divertor target plate can be effectively improved, and the peak value of the thermal load of the divertor target plate can be effectively reduced. The target plate generated by the method conforms to standard output formats among different analog calculations. Data can be conveniently transmitted between integrated simulation platforms, and the working process is simplified. The divertor target plate is generated on the basis of the basic physical assumption that the magnetic lines of the magnetic field and the heat flow are attenuated along the radial position, and the method is suitable for all star simulator devices with three-dimensional magnetic island structures and has universal applicability.

The embodiment of the invention discloses a multi-sensor monitoring and compensating method for machining deformation of a large annular part. According to the embodiment of the invention, the feed-forward compensation amount can be generated on the basis of the predicted radial deformation amount of the stress abrupt change area in the surface radial deformation appearing time when the large annular part is machined, and then the feedback compensation amount is generated according to the deviation between the expected machining contour and the actual radial position data of the large annular part; and generating a total compensation amount according to the feedback compensation amount and the feed-forward compensation amount, and adjusting the motion trail of a cutter on the machine tool according to the total compensation amount, and the expected machining contour, the shape tolerance and the position tolerance of the large annular piece. Therefore, according to the embodiment of the invention, deformation caused by stress release can be compensated in real time in the machining process of the large annular part, and the compensation efficiency is improved.

The utility model relates to the technical field of wear resistance tests, and discloses a wear resistance testing machine which comprises a main machine body, a driving assembly and a support, a test table top is arranged on the main machine body, a sample carrying plate is slidably installed on the test table top, and the moving direction of the sample carrying plate is parallel to the test table top. A first clamp is further installed on the side, away from the test table board, of the sample carrying plate. The driving assembly comprises a rotating part, a positioning block and a connecting rod, the rotating part is rotationally arranged on the test bed surface, the positioning block is adjustably connected to the rotating part, the positioning block is radially adjustable relative to the rotating center of the rotating part, and the end part of the connecting rod is hinged to the positioning block and the sample carrying plate respectively; the support is fixedly installed on the main machine body and further provided with a second clamp, and the first clamp and the second clamp are distributed at intervals in the direction away from the test table top. The reciprocating stroke of the sample to be tested relative to the friction head can be flexibly adjusted by adjusting the radial position of the positioning block relative to the rotating center of the rotating piece, and the universality of the wear resistance test is better.

1. The name of this design product: Wind control and flow guidance equipment for optimizing the flow field of cooling towers. 2. Purpose of this design product: used for cooling tower flow field optimization. 3. The key design points of this appearance design product lie in the combination of the height, width and radial position of the guide vane relative to the ceiling. 4. The picture or photo that best illustrates the key points of the design: Design 1 three-dimensional diagram. 5. The rear view is the same as the main view, so the rear view is omitted; the right view is the same as the left view, so the right view is omitted; the bottom surface of the product of this design is a part that is not easy to see or cannot be seen when in use, so the top view is omitted. 6. Designate Design 1 as the base design.

The present invention relates to the field of automatic measurement of the hole positions of industrial annular parts, and provides a convenient automatic circumferential hole finding and automatic hole center alignment detection method and device, which are used for the automated assembly of a certain large precision part in aerospace. During measurement, the annular part is first automatically aligned, and the XYZ axis of the four-coordinate truss robot is moved to align the rotation center of the measuring end with the center of the annular part. The sensor is then moved to the radial position of the hole position to be measured by the radial cylinder. The Z axis is slowly moved downward to the measuring plane. When the value of the optical fiber sensor is higher than the threshold value 1, the predetermined detection height is reached, and the movement of the Z axis is stopped. The rotating R axis drives the digital optical fiber sensor to rotate one circle. Through the change in the value of the optical fiber sensor, the circumferential scanning hole finding and hole center positioning of the small blind hole of the annular part are realized with the value below the threshold value 2 as the standard. The present invention adopts a non-contact measurement method to avoid scratches and bumps on precision parts to the greatest extent.

A method includes: deriving a first absolute motion of the first optical sensor based on radial positions, azimuthal positions, radial distances, and radial velocities of points in a first cluster of points representing a first static reference surface in a first frame captured by the first optical sensor; deriving a second absolute motion of the second optical sensor based on radial positions, azimuthal positions, radial distances, and radial velocities of points in a first cluster of points representing a first static reference surface in a second frame captured by the second optical sensor; calculating a rotational offset between the first optical sensor and the second optical sensor based on the first absolute motion and the second absolute motion; and aligning a third frame captured by the first optical sensor with a fourth frame captured by the second optical sensor based on the rotational offset. a

A method includes: deriving a first absolute motion of the first optical sensor based on radial positions, azimuthal positions, radial distances, and radial velocities of points in a first cluster of points representing a first static reference surface in a first frame captured by the first optical sensor; deriving a second absolute motion of the second optical sensor based on radial positions, azimuthal positions, radial distances, and radial velocities of points in a first cluster of points representing a first static reference surface in a second frame captured by the second optical sensor; calculating a rotational offset between the first optical sensor and the second optical sensor based on the first absolute motion and the second absolute motion; and aligning a third frame captured by the first optical sensor with a fourth frame captured by the second optical sensor based on the rotational offset.

A sensor device for contactless determination of a radial position of a rotor has a target unit on the rotor with an electrically conductive target material. A coil unit is adapted for electromagnetic interaction with the target material. A control unit is electrically coupled to the coil unit and is designed to excite a coil of the coil unit with an excitation signal and to detect and evaluate a response signal of the coil unit in to determine the radial position of the rotor. The target unit has target elements with the target material in the direction of rotation on the rotor separated by a gap and the gaps of the target unit. Coil(s) of the coil unit are matched to each other in their geometry in such a way that the temporal change of the portion of the coil projected onto the target unit in a radial projection.

The utility model belongs to the technical field of aerospace, and particularly relates to a pipeline positioning device which comprises a bottom plate. The supporting plate extends upwards in the direction intersecting with the bottom plate; the first radial positioning clamping seat is provided with a first support for bearing parts of the first radial positioning clamping seat and a positioning pin arranged on the first support so as to position a pipe fitting; the second radial positioning clamping seat is arranged on the bottom plate and is provided with a second support for bearing parts of the second radial positioning clamping seat and a clamping block for bearing the corrugated pipe so as to position the corrugated pipe; the end positioning assemblies are arranged at the positions corresponding to the pipeline opening and comprise the first end positioning assembly and the second end positioning assembly, the first end positioning assembly and the second end positioning assembly are arranged at different heights, the end positioning assemblies are at least partially inserted into the corresponding ends of the pipeline, and each end positioning assembly comprises a support with a sliding block arranged on the bottom face; the positioning core is fixedly connected to the support and connected with the end face of the pipeline flange in an abutting mode. And the convenience of positioning operation in the splicing operation of the multiple pipe fittings or splicing and welding among the multiple pipe fittings is improved.

This application relates to a satellite orbit prediction method. The method includes: constructing an expression for the gravitational force acting on the satellite based on its mass and distance from Earth; constructing a differential equation for the satellite's acceleration based on Newton's second law and the expression for the gravitational force; solving the differential equation based on the conservative force field characteristics of mechanics, calculating the gravitational potential energy function and its derivative with respect to time; transforming the derivative expression based on the mechanical conservation law that the sum of the derivatives of kinetic energy and gravitational potential energy with respect to time is zero, to obtain the derivative expression for acceleration; converting the time relationship in the derivative expression of acceleration to a radial position relationship based on the principle of conservation of angular momentum; integrating the radial position relationship to obtain the satellite's orbit equation. This method enables satellite orbit prediction.

The application provides a turbine rotor wax mold splicing tool and relates to the technical field of investment casting.The first clamping protrusion and the second clamping protrusion are arranged on the top surface of the blade positioning disc in a radial direction, the first clamping protrusion and the second clamping protrusion are respectively provided with a first V-shaped clamping groove and a second V-shaped clamping groove, and the first V-shaped clamping groove and the second V-shaped clamping groove are respectively used for supporting the near-root cross section of the unit blade and the near-tip cross section of the unit blade.The V-shaped clamping groove structure can hold the blade and is not easy to slide, and is more firm.The blade mounting angle positioning pin is used for supporting the blade body and the blade basin of the unit blade, and the unit blade is positioned in the axial direction and the angular direction.The edge plate parting surface of the unit blade is located on the side surface of the radial positioning disc, the contact area is large, the positioning is more reliable, the blade mounting angle positioning pin can move in the vertical direction, is suitable for unit blades with different blade mounting angles, the radial positioning disc can move in the vertical direction, and is suitable for unit blades with different radial dimensions.

The utility model relates to the technical field of bearing detection tools, in particular to a radial displacement detection device for a conical bearing retainer, which comprises an annular mold with an inner cavity profiled to an inner cavity of a bearing outer ring, the large opening end of the inner cavity of the annular mold faces upwards, a measuring groove is arranged at one side part of the annular mold, and a mounting piece for fixedly mounting a dial indicator is arranged on the outer side of the measuring groove; conical positioning blocks coaxial with the annular mold are arranged above the annular mold at intervals, and the small head ends of the conical positioning blocks face downwards; the driving device is used for driving the conical positioning block to move in the axial direction; according to the utility model, the structure is simple, the radial positions of the annular die and the conical positioning block are relatively fixed, and the radial displacement of the precise tapered roller bearing retainer can be directly judged quickly and accurately according to the variable quantity displayed on the dial indicator; and the accuracy and the measurement efficiency of the displacement of the assembly retainer in the precise tapered roller bearing are effectively improved.

The present disclosure provides a cylindrical structure construction platform that both a first telescopic portion and an elastic member drive a guiding wheel to tightly abut against an outer template, adjusting radial positions of a pouring pipe and a tamping device according to an outline of the outer template by a second telescopic portion to reduce construction errors, adjusting an inclination angle of the guiding wheel by an adjusting mechanism, a slewing mechanism driving a rotary table to drive the guiding wheel to climb along a surface of the outer template, the pouring pipe is poured layer by layer from the bottom to the top of a pouring cavity to reduce a height difference during pouring for further reducing generation of air holes, the tamping device vibrates layer by layer from the bottom to the top of the pouring cavity to further eliminate the air holes.

The utility model discloses a tool for workpiece drilling, and belongs to the technical field of drilling positioning tools. The positioning device comprises a positioning seat, the positioning seat is provided with a machining face and a positioning face, the positioning seat is provided with a positioning hole allowing the machining end of a workpiece to penetrate through, the positioning hole is communicated with the machining face and the positioning face, the positioning face can abut against the end face of the workpiece, and the positioning face is provided with a positioning pin used for positioning the workpiece. The tool further comprises a pressing device used for pressing the workpiece to the positioning face. The workpiece can be limited in the radial direction, the workpiece can be limited in the axial direction through cooperation of the positioning base and the pressing device, and therefore under the combined action of the positioning base and the pressing device, the workpiece can be firmly fixed to the positioning base for machining.

The utility model relates to the field of wind power tower drum production, and discloses a split type tower drum flange assembling platform which comprises a platform body and a plurality of supporting beams evenly distributed on the periphery of the platform body. An arc-shaped positioning baffle is arranged on each supporting beam in a sliding manner, and a locking handle for locking the position of the positioning baffle is arranged on each positioning baffle; the platform body is further provided with three telescopic inserting plates which are arranged at an angle of 120 degrees, the thickness of each inserting plate is equal to a reserved gap between the two fragmented flanges, and the inserting plates are used for positioning the ends of the fragmented flanges. According to the utility model, the positioning baffle is arranged on the strut beam, the radial position of the fragmented flange can be positioned by adjusting the position of the positioning baffle according to the outer diameter of the flange, and meanwhile, the telescopic insertion plate is also arranged and can be used for positioning the end position of the flange, so that the fragmented flange can be quickly positioned and assembled on the assembly platform; and the assembly efficiency can be greatly improved.

The invention relates to a reed pipe potting module and a potting assembly method.The potting module comprises a reed pipe, an inner bag, a module pipe, a signal pipe and a self-locking nut, the reed pipe is arranged in an inner cavity of the inner bag, the inner bag is coaxially arranged in the module pipe and sealed through potting glue, the module pipe and the signal pipe are coaxially arranged and connected through threads, and the self-locking nut is arranged in the inner cavity of the inner bag; the signal pipe is coaxially arranged in the sensor inner pipe; the module pipe is rotated to drive the reed pipe to move in the axial direction so as to achieve position adjustment of the reed pipe, and the module pipe and the signal pipe are locked through a self-locking nut. According to the invention, the reed pipe is coaxially wrapped in the inner bag, and the coaxial assembly structure of the module pipe and the signal pipe is combined with the coaxial positioning of the signal pipe in the sensor inner pipe, so that the radial position deviation of the reed pipe after encapsulation is avoided. Meanwhile, continuous adjustment of the axial position of the reed pipe is achieved by rotating the module pipe. In addition, the reed switch is integrally wrapped in the inner bag, so that the risk that the glass tube is crushed in the filling and sealing process is reduced.

The invention discloses a progressive adjustment blade-replaceable multi-cutting-edge guide bar reamer, which belongs to the technical field of reamers and comprises a reamer body, a reamer handle and a modular connecting structure between the reamer body and the reamer handle. A plurality of elastic adjustable cutter clamps are evenly distributed on the periphery of the reamer body, and each cutter clamp is divided into a fixing portion and an adjusting portion through an adjusting elastic groove area and provided with an adjusting jackscrew and a pre-tightening screw. The tail end of the adjusting jackscrew abuts against the bottom of the adjusting groove to provide outward ejection force, the head of the pre-tightening screw presses the inner side of the adjusting part to provide inward locking force, and gradual and gapless fine adjustment of the radial position of the blade is achieved through cooperation of the two. And a standardized replaceable blade with an extremely narrow margin is mounted on the tool holder. And a guide strip subjected to accurate grinding is embedded on the cutter body, is used as a zero reference for blade adjustment, and also plays a role in supporting and guiding. The reamer body and the reamer handle are in double-sided positioning connection through a 1: 10 short cone. High-precision large-diameter hole machining is achieved, tool cost is reduced, efficiency is improved, and the high-precision large-diameter hole machining device has the advantages of being convenient to adjust, long in service life and high in universality.

The utility model discloses a positioning device for a Hall electric thruster magnetic induction intensity test probe, which comprises a positioning main body, a fixed clamping block assembly and a measurement positioning plug block, the fixed clamping block assembly comprises a fixed main body and a sliding clamping block, the fixed main body is arranged on the front end surface of the positioning main body, and the sliding clamping block is arranged on the front end surface of the positioning main body. The fixing body is provided with a movable sliding groove and a sliding clamping block, one end of the sliding clamping block is connected with the movable sliding groove through a spring, a plurality of positioning holes are formed in the front end face of the positioning body, the positioning holes and the fixing body are arranged in a staggered mode, and measurement positioning plug blocks are installed in the positioning holes. According to the utility model, the device and a product are fixed through the device fixing fixture block, the measurement positioning plug blocks of the rectangular holes with different thicknesses and depths are embedded into the positioning holes of the positioning main body to determine the test points of different axial positions of the fixed radial positions, and the magnetic field intensity measurement handheld gauss meter probe goes deep into the rectangular holes. The magnetic field intensity of a specific position can be obtained, and the uniformity of circumferential magnetic field intensity distribution can be obtained.

The application provides a convex closed wave spring and a preparation method thereof. The spring sheet of the convex closed wave spring is in a closed circular shape and has a plurality of wave crests and troughs connected in sequence, and a spherical convex structure is further arranged on the wave crest and trough. The preparation method of the convex closed wave spring comprises the following steps: a) material selection and preparation, b) blanking, c) cutting, d) wave forming, e) boss forming, f) turning inner and outer circles, and g) aging and shaping. The application adopts linear cutting or laser cutting for blanking, reserves a shrinkage allowance for subsequent forming, ensures compensation of the diameter size of the inner and outer circles, forms the wave shape and the convex structure in two steps through a mold, ensures the radial position accuracy of the bulge, avoids changes of the convex position caused by the material flowing to the radial center direction when the convex size is formed into a wave shape, and avoids cracking phenomena at the convex position, shrinkage defects and bulge deviation phenomena near the convex position caused by poor material fluidity.

Clamping unit (50), in particular for a gripping device (10) or for a linear unit, with a clamping element (52) for fixing the clamping unit (50) against a guide (12), wherein an actuating element (56) is provided which can be actuated in a base housing (54) along a longitudinal axis (58) and which is coupled to the clamping element (52) in such a way that the axial movement of the actuating element (56) along a longitudinal axis is reduced into an axial movement of the clamping element (52) along the longitudinal axis, wherein the actuating element (56) has at least one wedge surface (70) extending obliquely to the longitudinal axis, wherein at least one actuating body (72) cooperating with the wedge surface (70) is provided, which changes its radial position during an axial movement of the actuating element (56) and thereby actuates the clamping element (52) via a deflection mechanism, and wherein the clamping element (52) has a wedge surface (70) extending obliquely to the longitudinal axis (58),The inclined surface (74) has an acute angle (α) between the wedge surface (70) and the actuating body (72) such that the clamping element (52) is moved axially when the actuating body (72) moves radially.

The invention relates to the technical field of motorized spindle equipment, in particular to a motorized spindle structure. The motorized spindle structure comprises a pipeline disc, a broach ring, a fixing assembly and a detection unit. A mounting space and a mounting hole communicated with the mounting space are formed in the pipeline disc; the broach ring is arranged in the mounting space in an axial moving manner; the fixing assembly is mounted in the mounting hole, the fixing assembly is provided with a first hole section and a second hole section which share the central axis and are communicated, and the inner diameter of the first hole section is smaller than that of the second hole section; the detection unit and the first hole section are installed in a matched mode, the radial position of the detection unit in the installation space can be adjusted by adjusting the axial position of the detection unit in the first hole section, and the radial position of the detection unit can be observed through a gap between the second hole section and the detection unit. The radial position of the detection unit can be quickly adjusted, so that the installation efficiency of the detection unit is improved, and the use experience of a user is improved.

The application belongs to the field of engine assembly detection, and specifically discloses a positioning tool for measuring the radial clearance of a rotatable blade and a use method, which comprises: an adapter plate, a connecting hole and two positioning pins; one end of the adapter plate is connected with the outer wall of an air inlet casing through the connecting hole, and the two positioning pins are respectively connected with the middle part of the adapter plate; the bottom ends of the two positioning pins are respectively in contact with the rear end face of the air inlet casing. The positioning tool is used to realize the angular positioning of the blade, thereby determining the radial position of the blade, completing the accurate measurement of the radial clearance of the rotatable blade when rotating to two limit angles, facilitating on-site detection, avoiding rework, greatly improving the assembly quality and efficiency of the rotatable blade, avoiding the problems of blade damage, casing scratch and deformation of the linkage ring caused by the counter torque generated by the blade in severe cases.

The utility model provides a bearing measuring instrument with adjusting function belongs to precision measurement technical field, including measuring instrument body and measuring claw, the outside of measuring instrument body is provided with adjusting mechanism and dismounting mechanism, first electric push rod fixed mounting is in the outside one side of measuring instrument body. The utility model discloses the dismounting mechanism of setting, realized the fastening installation of the measuring claw and the magnetic block of the threaded head of tightening state, then convenient to the measuring claw dismounting replacement, and the smooth movement of the measuring claw of the magnetic attraction board and the magnetic block of magnetism connection state can assist installation state, the threaded head of tightening state is realized the fastening installation of the measuring claw and the magnetic block through the magnetic block of setting adjusting mechanism, and then convenient to the radial position of the measuring claw adjustment, the radial movement of the measuring claw of installation state on the magnetic attraction board surface is realized through the magnetic block of setting first adjusting rod and slide, and then convenient to the radial position of the measuring claw adjustment, the axial movement of the measuring claw of installation state on the magnetic attraction board surface is realized through the magnetic block of setting second adjusting frame and slide, and then convenient to the axial position of the measuring claw adjustment.

The utility model discloses a kind of oil seal cover side hole precision positioning stamping device, including workbench, positioning mechanism being set on workbench and the stamping mechanism being located just above positioning mechanism, the positioning mechanism includes main positioning seat, a pair of V-shaped groove positioning block for clamping from both sides and accurately positioning the radial position of oil seal cover and axial positioning baffle for limiting the axial displacement of oil seal cover, the main positioning seat is fixedly installed on the upper surface of workbench, the V-shaped groove positioning block is symmetrically set in the both sides of main positioning seat and fixed on workbench, the axial positioning baffle is set in the side rear of main positioning seat and fixed on workbench.This oil seal cover side hole precision positioning stamping device solves the accurate positioning problem of cylindrical workpiece side hole machining through multiple positioning systems, combined with floating guide stamping mechanism and automatic auxiliary function, high-precision, high-efficiency, high-reliability and low-maintenance cost side hole stamping machining are realized.

To provide a fixed constant velocity universal joint that reduces the cost of machining the track groove on the outer joint member, improves machining quality, and reduces weight. [Solution] In a fixed constant velocity universal joint comprising an outer joint member 2, an inner joint member, a plurality of balls, and a retainer having pockets for housing the balls, the ball trajectory centerline of the track groove of the inner joint member is formed in mirror image symmetry with the pair of ball trajectory centerlines X of the outer joint member 2, with reference to a plane perpendicular to the axis that includes the joint center O when the operating angle is 0°, and the track groove 7 of the outer joint member 2 is formed in the range necessary for ball assembly from the axial position at the maximum operating angle, and a relief portion Tr is formed in the range of the track groove 7 between the radial position Sr leaving the ball contact point C and the spherical inner surface 6, and the radial dimension E is larger than the radial dimension of a chamfered portion Tc of substantially constant width provided in substantially the entire axial area between the spherical inner surface 6 and the track groove 7 of the outer joint member 2.

The invention relates to the technical field of bearing pre-tightening force loading, and discloses an angular contact bearing pre-tightening force and pre-tightening interval measuring device and method.The measuring device comprises a support, a positioning assembly, a force applying assembly and a measurer, the support comprises a plurality of clamping rods distributed on the support in the circumferential direction, and angular contact bearing placement positions are formed between the opposite ends of the clamping rods; wherein each clamping rod is adjustable along the radial position of the angular contact bearing, the force application assembly comprises a pressure plate, a pressure rod and a plurality of pressure columns, each pressure column can abut against the same end face of an inner ring of the angular contact bearing, a pressure sensor is arranged on the pressure plate, and the pressure rod is movably arranged on the support along the axial direction of the angular contact bearing and is in compression joint with the pressure sensor. The measurer is arranged on the support and used for measuring the end face height of an outer ring of the angular contact bearing and the end face height of an inner ring of the angular contact bearing. The pre-tightening force of any design parameter is converted into the corresponding pre-tightening interval under non-actual assembly, and the pre-tightening interval is used for the actual assembly link.

The utility model belongs to the technical field of inner container probe installation, and discloses a welding positioning device which comprises a base, a rotating piece, a first fixing piece and a length adjusting piece. The rotating piece is rotationally matched with the rotating groove; the first fixing piece is used for fixing the rotating piece after the rotating piece rotates in place; the length adjusting part is arranged on the rotating part, the extending length of the length adjusting part relative to the rotating part can be adjusted, and a positioning hole is formed in the tail end of the length adjusting part. Firstly, the base is connected to a container opening flange plate, then the rotating piece is rotated to determine the position of the inductive probe installation piece in the circumferential direction, and after the rotating piece rotates in place, the first fixing piece is adopted to fix the rotating piece; and then the extending length of the length adjusting piece relative to the rotating piece is adjusted to determine the position of the inductive probe mounting piece in the radial direction, and after the length adjusting piece is adjusted in place, the area corresponding to the positioning hole is the welding area of the inductive probe mounting piece. The positioning operation is simple, and the positioning is accurate.

Methods, systems, and devices for manufacturing a wearable ring device are described. The manufacturing assembly may rotate, by a rotational component, an inner housing member of the wearable ring device to a radial orientation based on an optical alignment process. A positioning component of the manufacturing assembly may insert and align an optical component of a flexible circuit assembly into at least one aperture of the inner housing member by moving the flexible circuit assembly from a first position adjacent to the inner housing member to a second position on the inner housing member. The manufacturing assembly may secure one or more edges of the flexible circuit assembly onto the inner housing member using a plurality of arms of the positioning component and apply, by an automatic adhesive dispensing device of the manufacturing assembly, a polymeric material to adhere the flexible circuit assembly to the inner housing member.