33 results about "Solid of revolution" patented technology

The utility model relates to the technical field of machining, in particular to a high-precision rotatable auxiliary supporting device which comprises a rotating center frame body, a rotating body arranged on one side of the rotating center frame body, four adjusting cavities arranged on the rotating body and clamping contacts arranged in the adjusting cavities in a sliding fit mode. The clamping contact comprises a flange cover arranged on the outer wall of the rotating body, a lead screw rotationally connected with the flange cover through a bearing, a nut and a threaded sleeve which are in threaded fit with the lead screw, a sliding sleeve connected with one end of the threaded sleeve, an ejector head arranged at one end of the sliding sleeve and located at one end of the lead screw, and a limiting open groove formed in the outer wall of the sliding sleeve. The locking mechanism is in threaded fit with one side of the rotating body and is in sliding fit with the limiting open slot; according to the device, the swing of the workpiece during supporting is reduced, the machining precision and the qualified rate are improved, the vibration problem in the high-precision machining process of the deep hole drilling and boring machine is solved, the machining precision of the whole machine is guaranteed, the industry development is promoted, and the machining efficiency and the product quality are improved.

The present invention provides a rotor repair device that enables efficient repair work on rotors removed from rotary centrifugal abrasive crushing machines. [Solution] The rotor repair device 1 comprises a first rotation support part 5 that rotatably supports the rotor 10, a rotation unit 7 that rotates the rotating body 7d, a torch bracket 3e that grips the welding torch T, a moving unit 3 that moves the torch bracket 3e in a straight line, and a first mounting rod 2e that can be attached to and detached from the rotation unit 7. The first rotation support part 5 supports the rotor 10 such that the rotation axis C1 of the rotor 10 is aligned with the direction of movement of the torch bracket 3e by the moving unit 3, and the tip of the welding torch T is in contact with the outer surface of the rotor 10. The first mounting rod 2e is set to attach the rotation unit 7 in a position where the rotating body 7d is in contact with the outer surface of the rotor 10 and the rotor 10 is rotated in conjunction with the rotational movement of the rotating body 7d.

1. The name of the design product: extrusion wheel (blade shape). 2. The use of the design product: extrusion wheel of the net machine. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: design 1 perspective view. 5. Design 1-design 4 is a solid of revolution, so the top view, bottom view and rear view of design 1-design 4 are omitted, and the top view, bottom view and rear view are omitted; The right view of design 1-design 4 is symmetrical with the left view of design 1-design 4, so the right view of design 1-design 4 is omitted. 6. Design 1 is designated as the basic design.

The application provides a mechanical rotating body deformation prediction method and system based on PINN and multi-physical field coupling, and relates to the field of industrial intelligent computing model. The method firstly fuses multi-physical field data such as thermal expansion, pressure, wear and elastic deformation to construct a dynamic equivalent radius model reflecting the real geometric state of the mechanical rotating body; secondly, a time-varying constraint physical information neural network solver is designed to fuse the mechanical mechanism and data driving; finally, the multi-component coupling effect of the mechanical system is solved, the rotating body deformation prediction value is fused, and the comprehensive deformation of the rotating body under complex load is obtained. In general, the method can improve the accuracy and real-time performance of the rotating body deformation calculation, improve the accuracy of the external load and displacement calculation, thereby improve the workpiece deformation prediction accuracy, and provide core theoretical support for high-precision industrial processes.

To quickly and reasonably arrange balls at equal intervals while reducing running cost with a simple structure.SOLUTION: A ball arranging apparatus for a bearing includes a set table 10 for setting an unarranged bearing 1 ' having a plurality of balls 5 in a ball rolling gap 4 provided between an inner ring 2 and an outer ring 3 at a fixed position, a rotating body 20 for moving the balls 5 of the unarranged bearing 1 ' along the ball rolling gap 4 while rotating the balls 5, and a rotating mechanism 30 for rotating the rotating body 20. The rotary body 20 has an outer peripheral rolling circle 22 for moving the ball 5 along the ball rolling clearance 4, and a ball contact area 23 of the outer peripheral rolling circle 22 is arranged in a vertical position for guiding the guided ball 5 to the arranging recessed part 14 by contacting with the ball of the horizontal part 13 without discharging the ball from the arranging recessed part 14.SELECTED DRAWING: Figure 1

The utility model relates to mechanical engineering, primarily transport engineering, and specifically to stabilizers of lateral (transverse) stability (tilt) of railway cars, primarily passenger cars, as well as to trackless transport. The end of a tie rod of a torsion stabilizer of lateral stability of a car body comprises: a housing (7) in the form of a body of revolution with a threaded shank for connection with a coupling rod of the tie rod; a ball joint located in the cavity of the housing (7) with an outer ring installed in the housing (7) and an inner ring installed on a symmetrical kingpin (3); two opposite identical flanges (5, 6) with sleeve parts (13, 14), detachably connected to the ends of the kingpin (3).In this case, the possibility of rigid installation of the tip in a socket-forming U-shaped bracket (2) in cross-section on the frame (1) of the body with two spaced parallel mounting cheeks (9, 10) and with an overlay support plate (8), with a distance B between the mounting cheeks (9, 10) of the latter (2), central through holes (12) in the cheeks (9, 10) of diameter D and threaded holes (15) in the cheeks (9, 10) for bolts (4) for fastening the tip by means of its flanges (5, 6) is provided. The body (7) of the tip is made with a length less than the value B, and the pin (3) and the sleeve part (13, 14) of the flanges (5, 6) are made with diameters less than the value D with the possibility of their installation in the body (7), previously inserted into the socket (socket space) (11) of the bracket (2) between the cheeks (9, 10), through the central hole (12) of the cheek (9 (10)) from the outside of the socket (11).In the recommended particular case, the flanges (5, 6) are provided with a through hole (18), and the kingpin (3) is provided with a threaded hole (19) at the ends, with the possibility of their bolted connection with partial coverage of the kingpin (3) by the sleeve parts (13, 14) of the flanges (5, 6). An additional feature of the device is provided. The use allows for improvement of the TEV, including adaptability to the original mounting socket-forming bracket as part of the frame, as well as expansion of the range of device options in the conditions of a variety of designs of rolling stock cars. 1 sp. f-ly, 2 fig.

A rotating body is shorter in radial direction than in axial direction. The inner circumferential surfaces of a first bearing and a second bearing are fixed at an outer circumferential surface of the shaft member. In the axial direction, the outer diameter of the shaft member is substantially the same from a part, of the shaft member, opposing the first bearing to a part, of the shaft member, opposing the second bearing, and the inner and outer diameters of the rotating body are substantially the same from an end part, of the rotating body, on the first bearing side to an end part, of the rotating body, on the second bearing side. In the axial direction, one of stators is disposed at a central part (C1) of the shaft member, one of magnets is disposed at a central part (C2) of the rotating body.

This rotating body drive device makes it possible to ascertain, before a motor shaft is engaged with a shaft insertion hole of a rotating body, that the mount state of the rotating body is not correct.　A rotating body drive device, in which a motor shaft (6a) of a rotating body motor (6) is inserted into and mounted to a shaft insertion hole (5a) of a rotating body (5), comprises: a control unit (12) that, when starting the rotation of the rotating body (5), increases the rotation speed of the rotating body motor (6) to a determination rotation speed, then reduces an output to the rotating body motor (6), and determines whether the rotating body (5) is in a correct mount state or not in accordance with a change in the rotation state of the motor shaft (6a) thereafter; and a reporting means (14) that issues a report when the control unit (12) has determined that the rotating body (5) is not in the correct mount state. The rotating body drive device is configured to make it possible to ascertain, by the report of the reporting means (14), that the mount state of the rotating body (5) is not correct.

To provide a universal joint which has a larger movable area, is not broken easily, and is excellent in durability.SOLUTION: A universal joint comprises: a first rotating body 10 having a pair of arm parts 15, 16 protruding in a parallel manner along an axis direction from an outer peripheral surface of a first rotating body main part 11; a second rotating body 20 having a pair of arm parts 25, 26 protruding in a parallel manner along the axis direction from an outer peripheral surface of a second rotating body main part 21; and a joint cross 30 in which vertically-protruding shaft parts 31, 32 are rotatably inserted into the pair of arm parts 15, 16 of the first rotating body 10 and laterally-protruding shaft parts 33, 34 are rotatably inserted into the pair of arm parts 25, 26 of the second rotating body 20. A reinforcement body 40 is spanned between base parts of the pair of arm parts 15, 16 of at least one of the first rotating body 10 and the second rotating body 20.SELECTED DRAWING: Figure 2

The invention provides a mechanical rotating body deformation prediction method and system based on PINN and multi-physics field coupling, and relates to the field of industrial intelligent calculation models. The method comprises the following steps: firstly, fusing multi-physical field data such as thermal expansion, pressure, wear and elastic deformation, and constructing a dynamic equivalent radius model reflecting the real geometric state of the mechanical rotating body; secondly, designing a time-varying constraint physical information neural network solver, and fusing a mechanical mechanism and data driving; and finally, solving a multi-component coupling effect of a mechanical system, and fusing the predicted values of the deformation of the rotating body to obtain the comprehensive deformation of the rotating body under the condition of reflecting the complex load. Generally speaking, the method can improve the precision and real-time performance of deformation calculation of the rotating body and improve the precision of external load and displacement calculation, so that the prediction precision of workpiece deformation is improved, and a core theoretical support can be provided for a high-precision industrial process.

The application discloses a non-rotation type integral inertial particle separator design method, which comprises the following steps: S1, establishing an XY coordinate system and determining a plurality of key nodes on a meridian plane flow passage profile and coordinates of the key nodes; S2, setting a slope value for each key node; S3, calculating a two-degree-of-freedom adjustable curve between two key nodes which need to be connected into a line; S4, calculating the two-degree-of-freedom adjustable curve between all the key nodes which need to be connected, and sequentially connecting to form a meridian plane flow passage profile of the non-rotation type integral inertial particle separator; and S5, rotating the meridian plane flow passage profile by 360 degrees around the x-axis of the coordinate system to generate a solid of revolution, and obtaining a three-dimensional geometric configuration of the non-rotation type integral inertial particle separator. i,1 i,2 The application adopts a two-degree-of-freedom adjustable curve function, and the shape of the curve between any adjacent key nodes can be freely changed by changing free parameters O i,1 i,2 , O i,2 , so that the design and research of the parameterization of the non-rotation type integral inertial particle separator are more flexible and rapid.

A rotating body (6) is provided with: a bearing (7) supported so as to be rotatable around a shaft (5); and a rotor (8) fixed to the bearing (7). An outer peripheral surface (71a) of the bearing (7) is provided with a plurality of ribs (72) along the direction in which the shaft (5) extends. The rotor (8) includes a cylinder (83) that accommodates the bearing (7). The cylinder (83) is provided with grooves (87) corresponding to the ribs (72), and the ribs (72) are press-fit into the grooves (87).

A spherical-driven motion device 10 comprises rotating bodies 14, 15, and 16 that rotate a number of n driving spherical bodies 11, 12, and 13 by being driven in a rotating manner in a state where they are in contact with each of the driving spherical bodies 11, 12, and 13 from two different directions, and moves on a locomotion surface G. If the locomotion surface G is a horizontal surface, corresponding centers P1, P2, and P3 of the driving spherical bodies 11, 12, and 13 are located on lateral edges S1, S2, and S3, respectively, of a virtual inverted n-gonal pyramid H, which has a base η located at a position higher than the respective centers P1, P2, and P3 of the driving spherical bodies 11, 12, and 13, and an apex O that is away from the base η and located at a position lower than the base η. as the respective center P1, P2 and P3 of the driving spherical bodies 11, 12 and 13.The rotating bodies 14, 15 and 16 come into contact with the driving spherical bodies 11, 12 and 13 at positions higher than the respective centers P1, P2 and P3 of the driving spherical bodies 11, 12 and 13 located in the virtual inverted n-gonal pyramid H, or at positions higher than the respective centers P1, P2 and P3 of the driving spherical bodies 11, 12 and 13 located on lateral surfaces α, β and γ of the virtual inverted n-gonal pyramid H, and are driven to rotate about a corresponding rotating shaft 19, 21 and 23, which is perpendicular to the lateral surfaces α, β and γ of the virtual inverted n-gonal pyramid H.

To reduce defects such as cracks in a flare part and damage to a die in a method for manufacturing a cylindrical tube having the flare part at a tube end.SOLUTION: A first bottomless cylindrical tube is formed by performing punching in a transition part connecting a straight tube part and a bottom part of a bottomless cylindrical tube, a second bottomless cylindrical tube is formed by performing push-in drawing with the transition part remaining in the first bottomless cylindrical tube as a head, and flare working is performed in an end part on the transition part side of the second bottomless cylindrical tube. Preferably, the shape of each of the straight pipe portion, the transition portion and the bottom portion provided in the bottomed cylindrical pipe is a rotating body having a pipe axis, which is an axis of the straight pipe portion, as a rotation axis, and the first punch in the first step is a rotating body having a pipe axis as a rotation axis and the direction in which the first punch is driven is parallel to the pipe axis. Further, the inner peripheral surface of the second bottomless cylindrical tube may be subjected to ironing before the flaring.SELECTED DRAWING: Figure 3

1. The name of this design product: bearing. 2. Purpose of this design product: used to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The present invention provides a rotating body with a dynamic balancing mechanism, a method for dynamically balancing a rotating body, a cutting tool with a dynamic balancing mechanism, and a method for dynamically balancing a cutting tool, all of which offer a simple structure, a low number of parts, ease of manufacturing, fewer shape limitations, easy miniaturization, and a wide range of adjustable balance. [Solution] The device comprises a main body 1 that can be rotated around a central axis O, a flow channel 2 provided in the main body 1 and extending in the circumferential direction, a dilatant fluid 3 filled in the flow channel 2, and a weight housed in the flow channel 2. The weight is movable within the liquid dilatant fluid 3 when the magnitude of the acceleration acting on the dilatant fluid 3 due to the rotation of the main body 1 is less than a predetermined value, and is held in place by the solidified dilatant fluid 3 when the magnitude of the acceleration exceeds the predetermined value.

To provide a new mechanism for stopping a prescribed pattern at a prescribed position after rotating a rotating body in a toy provided with the rotating body where a plurality of patterns are arranged.SOLUTION: A toy 10 according to the present invention includes a rotating body 102 including a plurality of regions to which different marks are applied, a cover member that has a window portion 107 through which any one of the plurality of regions is visible in a state in which the rotating body is stopped and covers the rotating body, a rotating plate 411 that is disposed coaxially with a rotation axis of the rotating body and is rotatable together with the rotating body, a first operating body 101 that starts rotation of the rotating body and the rotating plate, a stopping member 420 that stops rotation of the rotating body by stopping the rotating plate, and a second operating body 103 that rotates the rotating body in a state in which the rotating plate is stopped by the stopping member. Also, the region that is visible through the window part among the plurality of regions of the rotating body after the operation of the second operating input device coincides with the region that is visible through the window part when stopped by the stopping member after the subsequent operation by the first operating input device.SELECTED DRAWING: Figure 8

To provide a come-off prevention structure of an annular component capable of suppressing increase in cost and labor while improving come-off prevention force of the annular component against a rotor.SOLUTION: A come-off prevention structure is configured such that a snap ring 8 is fitted and fixed in place in an annular groove 1d formed on an outer peripheral surface of a rotational shaft 1 (a rotor that rotates around a central axis O), and is axially engageable with an inner ring 4 (annular part) of a rolling bearing 3 mounted on the outer periphery of the rotational shaft 1, thereby preventing the inner ring 4 from coming off from the rotational shaft 1. In the come-off prevention structure, a restriction protrusion part 7 provided integrally with the inner ring 4 is arranged radially outward of the snap ring 8, thereby restricting radial expansion and deformation of the snap ring 8.SELECTED DRAWING: Figure 1

The invention relates to an angle adjusting mechanism which is different from the patent document CN113208830B, the structure of a connector assembly is simplified, a floating assembly is made to move front and back by rotating a rotating body, and locking and unlocking of a connecting base are achieved. When the rotating body rotates in the unlocking direction, the floating assembly moves backwards at the same time, so that the balls on the arc-shaped boss keep abutting against the bottom of the sliding groove, and the problem of displacement caused by movement in the front-back direction is avoided. When the connector assembly is assembled, the floating assembly, the pressure spring and the rotating body can be assembled together and then wholly placed in the shell, when the connector assembly is disassembled, the floating assembly, the pressure spring and the rotating body are also wholly disassembled together, and the balls are sealed between the floating main body and the rotating body, so that the balls cannot fall out during disassembly and assembly.

The present invention relates to a compressor. The present invention may comprise a casing (10) and a motor unit (MU), which is disposed inside the casing (10) and has a stator (21) and a rotor (25) that rotates a rotary shaft (30). A compression unit (CU) can be disposed inside the casing (10) at an axially spaced position along the rotary shaft (30). The present invention includes a balance weight (100) that rotates together with the rotor (25). The balance weight (100) can include: a weight body (110) coupled to the rotor (25) or the rotary shaft (30); and an inertial body (130) provided at the lower portion of the balance weight (100), facing the CU. The inertial body (130) further protrudes radially outward from the weight body (110). The inertial body (130) protrudes in the radial direction of the compressor such that the inertial moment of a rotating body can be increased without an increase in the axial height of the compressor.

The utility model provides a device for keeping dynamic balance of a rotating body, and belongs to the technical field of dynamic balance of rotating bodies. The device for keeping the dynamic balance of the rotating body comprises two vertical supporting plates, transverse supporting plates are fixedly installed on the left sides and the right sides of the two vertical supporting plates correspondingly, a connecting rod is fixedly installed between the two vertical supporting plates, a bearing is installed on the surface of the connecting rod, and the surface of the bearing is rotationally sleeved with a partition plate; the surface of the partition plate is fixedly sleeved with a rotating shell. Through the arrangement of the first impurity removal claw and the second impurity removal claw, when the rotating shell rotates and impurities enter the inner cavity of the rotating shell, the impurities are grabbed by the first impurity removal claw and the second impurity removal claw, and the impurities are thrown out of the inner cavity of the rotating shell through centrifugal force, so that the dynamic balance is continuously kept when the rotating shell rotates, and the service life of the rotating shell is prolonged. Compared with the prior art, abrasion between the rotating shell and the bearing is greatly reduced, and the service life of the rotating shell and the bearing is prolonged.

Provided is a swivel joint for an oil supply nozzle, the swivel joint preventing friction powder generated by abrasion of a rotating body from promoting abrasion of the rotating body and enabling a main body and a bush to smoothly rotate relative to each other. A swivel joint (20) for a fueling nozzle (100) according to the present invention is provided with a cylindrical body (2), a hollow fueling nozzle-side bush (1) fitted to a fueling nozzle-side end (2A) of the body (2), a hollow fueling hose-side bush (3) fitted to a fueling hose-side end (2B) of the body (2), and a fitting surface interposed between the body (2) and the bush (1) and a fitting surface between the body (2) and the bush (3), the swivel joint (20) allowing the body (2). A rotating body (7) which rotates relative to the bush (1) and relative rotation between the main body (2) and the bush (3) is not provided with a sealing member in a region or the like extending from a portion where the rotating body (7) is located, which is a fitting surface between the main body (2) and the bush (1), to a main body-side end portion (1B) of the bush (1). Seal members (8, 9) are provided in a region or the like extending from a portion where the rotating body (7) is located to an end portion (2A) of the main body (2) as a fitting surface between the main body (2) and the bush (1).

To provide a tunnel excavator capable of appropriately controlling earth pressure at a tunnel face.SOLUTION: An excavation section 20 of a tunnel excavator comprises a rotating body 21 configured to be rotatable about a first axis O1, first drive means 30 that rotates the rotating body 21 about the first axis O1, a frame 23 that is rotatably supported by the rotating body 21 about a second axis O2 that is positioned spaced apart from the first axis O1, second drive means 32 that rotates the frame 23 about the second axis O2, and a cutter 25 that is rotatably supported by the frame 23 about a third axis O3 that is positioned spaced apart from the second axis O2. The average angular velocity of the third axis O3 relative to the first axis O1 is controlled so that it is larger in a constant region in an angular range that does not include a specific line Ls than in a changing region in a predetermined angular range that includes a specific line Ls that passes through the first axis O1 and a predetermined specific point Ps.SELECTED DRAWING: Figure 5

The present invention provides a thrust generation method capable of efficiently generating thrust in a specific direction. [Solution] In a thrust generation method for a thrust generating device 100 that generates thrust by rotating a gear 21 as a first rotating body equipped with a weight 24 and a gear 22 as a second rotating body equipped with a weight 26, the weight 24 of the first rotating body rotates counterclockwise from the 6 o'clock direction to the 3 o'clock direction with respect to the rotation center of the first rotating body, and at the same time, the weight 26 of the second rotating body rotates clockwise from the 6 o'clock direction to the 9 o'clock direction with respect to the rotation center of the second rotating body, thereby generating thrust in the 12 o'clock direction with respect to the rotation centers of the first and second rotating bodies.

The invention discloses a precise shaping method for a special-shaped matching surface rotary assembly, which comprises the following steps of: reconstructing a stator assembly structure of a stator matching surface based on scanning point cloud of the stator matching surface, calculating a first cylindrical coordinate of the scanning point cloud of the stator matching surface in a stator reference coordinate system, and extracting an actually measured outer contour of a stator rotating body by utilizing the first cylindrical coordinate; the actually-measured outer contour of the stator rotating body is extrapolated according to the assembly clearance to form an ideal outer contour of the rotor rotating body; reconstructing a rotor assembly structure of the rotor matching surface based on the scanning point cloud of the rotor matching surface, performing virtual assembly on the stator assembly structure and the rotor assembly structure, and calculating a second cylindrical coordinate of the scanning point cloud of the rotor matching surface in a stator reference coordinate system; the trimming amount of the ideal outer contour of the virtually-assembled rotor rotating body and the rotor matching surface at the corresponding point is calculated; the problem that the assembly clearance of the special-shaped matching surface rotary assembly body is out of tolerance can be solved.