162results about "Rotating bodies balancing" patented technology

The invention relates to a side-hung rotating platform real-time counterweight device, a side-hung rotating platform and a control method, and belongs to the technical field of automation equipment. According to the application, the eccentric load torque of the load is monitored in real time, and the counterweight assembly driven by the linear motor is controlled to move according to the eccentric load torque, so that the counterweight force arm is dynamically adjusted, and the reverse counterweight torque is accurately generated to counteract the eccentric load torque. And when the movement compensation is insufficient, the number of the balancing weights can be increased, so that the balancing weight quality is improved. The motion precision can be effectively improved, the equipment is protected, and the stability is improved.

A propeller shaft assembly includes a propeller shaft extending along an axis between a first and second shaft end. A propeller shaft yoke is operably connected to one of the first or second shaft ends and includes a body presenting a mounting surface extending circumferentially about the axis. A tuned damper extends radially outwardly from the mounting surface and includes a first damper ring disposed in abutting and encircling relationship with the mounting surface and a second damper ring disposed in abutting and encircling relationship with the first damper ring. The tuned damper includes a retention lip extending radially downwardly from the second damper ring in axially spaced relationship with the mounting hub by an axial spacing distance D for protecting the tuned damper from axial impact forces and improving the robustness of the tuned damper mounted on the mounting surface.

A system (66) for balancing a rotor (60) of a gas turbine engine (20) includes a rotor hub (64) having a center axis (A) and a balancing ring (68) surrounding the rotor hub. The balancing ring includes a plurality of ring teeth (72). A pinion gear (70) includes a plurality of gear teeth (74) in meshing engagement with the plurality of ring teeth. The pinion gear is selectively rotatable to adjust a position of the balancing ring relative to the rotor hub. The gas turbine engine comprises a compressor section (24), a combustor (56), and a turbine section (28). The compressor section has at least one compressor rotor (60) comprising the rotor hub. The rotor hub supports at least one row of blades (62) for rotation about the center axis. The gas turbine engine comprises the system (66). A method for balancing the rotor of the gas turbine engine comprises installing the balancing ring to surround the rotor hub that rotates about the center axis, engaging the gear teeth of the pinion gear with the ring teeth on the balancing ring and selectively rotating the pinion gear to adjust a position of the balancing ring relative to the rotor hub.

The utility model discloses a low-gravity-center wheel balance block which comprises a balance weight assembly, buckles distributed in a bilateral symmetry mode, a balance weight plate with the two ends connected with the buckles respectively and a balance weight column installed on the balance weight plate, and limiting plates distributed symmetrically are arranged on the surface, away from the balance weight column, of the balance weight plate. The weight increasing assembly comprises an attaching plate attached to the balance weight plate, a balance weight block with one side connected with the attaching plate and an assembling block assembled on the balance weight block, and a convex column is arranged on the balance weight block; the wheel balance block is designed to adjust the weight according to different wheels, the buckle is buckled on the round edge of a hub, the balance weight block is located at the position of the low gravity center, the balance weight columns are tangent to the balance weight plate, the number of the balance weight columns can be increased according to needs, the attaching plate and the balance weight plate are of a split structure, and the detachable attaching plate, the connecting cylinder and the protruding column are connected in a threaded screwing mode. The assembling blocks are detachable, and the attaching plates or the assembling blocks with different weights can be replaced, so that the wheel hub counter weight device is suitable for counter weight of different wheel hubs.

The invention discloses a servo direct-drive high-frequency swing mechanism, and belongs to the technical field of bearing machining equipment. A swing spindle attached to the housing; one end of an output shaft of the servo motor is connected with the rear end of the swinging main shaft, and the other end is connected with a servo encoder for controlling the swinging amplitude and the swinging frequency of the swinging main shaft; the swing head part is connected with the front end of the swing spindle and used for machining a bearing groove, a front end cover is arranged at the front end of the swing spindle and connected with a support, a screw is rotationally connected to the support, and the shell is in threaded fit with the screw. The swing frequency adjusting device has the characteristics of shortened and compact structure, convenience in adjustment, attractive appearance and the like, and the swing frequency of the ball bearing channel superfinishing machine can be improved, so that the superfinishing rhythm is accelerated, the superfinishing precision is improved, and the machining performance of a machine tool is improved.

The invention relates to a rotatable component, a tool and a method for manufacturing a rotatable component. The rotatable component comprises a wall (3), which has an inner rotating surface (4) or inner peripheral surface (5) passed through by a central longitudinal axis (Z4) in the longitudinal direction (L) and an outer rotating surface (6) or outer peripheral surface passed through by a central longitudinal axis (Z6) in the longitudinal direction (L) and arranged on the circumference of the inner rotating surface (4) or inner peripheral surface (5), wherein the central longitudinal axes (Z4, Z6) are offset relative to each other by a distance (D) in the radial direction (R) and / or the wall (3) has at least one wall notch (40) and / or at least one wall thickening (42), whereby the wall (3) does not have rotational symmetry.

An automatic balancer comprising: a balance head configured to rotate integrally with a rotating body around a rotation axis of the rotating body, the balance head including a balance correction mechanism configured to correct imbalance of the rotating body, and a case having a cylindrical outer peripheral surface parallel to the rotation axis and configured to house the balance correction mechanism; a stator provided separately from the balance head and having a shape which is along a circumferential direction of the outer peripheral surface with a clearance from the outer peripheral surface; and a rotor part provided at a position where the rotor part faces the stator on the outer peripheral surface, configured to rotate integrally with the balance head, the rotor part having a shape along the circumferential direction of the outer peripheral surface, wherein the stator and the rotor part are configured to perform wireless communication therebetween.

A compressor comprising a compressor housing (12), a scroll compressor unit (22) arranged in the compressor housing (12) with a first, stationary compressor body (24) and a second compressor body (26) movable relative to the stationary compressor body (24), the first and second spiral ribs (34, 38) of which are designed in the form of a circular involute and engage with one another to form compressor chambers (42) when the second compressor body (26) is moved relative to the first compressor body (24) on an orbital path (48), an axial guide (96) which supports the movable compressor body (26) against movements in a direction parallel to a central axis (44) of the stationary compressor body (24) and guides it during movements in a direction transverse to the central axis (44), an eccentric drive (242) for the scroll compressor unit (22),which has a driver (246) driven by the drive motor (222) and rotating on the orbital path (48) around the central axis (44) of a drive shaft (228), which in turn cooperates with a driver receptacle (282) of the second compressor body (26), and a coupling (164) preventing self-rotation of the second compressor body (26), wherein the eccentric drive (242) has an eccentric drive pin (244) driving the driver (246) and a mass balancing body (254), and wherein the eccentric drive pin (244) and the mass balancing body (254) are arranged on opposite sides of a mass balancing plane (ME), characterized in that the mass balancing body is designed as a mass balancing pin (254), that the mass balancing pin (254) is an element of a movement limiting unit (264) for the driver (246) is.,

Absorber damper 330 coupled to a structure 310 (e.g. rotating shaft) and method of reducing torsional wave speed (tor of rotational torsional vibration oscillation of the structure. The damper may have regions of different characteristics, e.g. rigidity, density, shear modulus. The damper may have multiple mass members 332, spaced apart and separated by damping material 320. Mass members 332 may be discs, cross-shaped or star-shaped (fig 7). The damper body 320 may be tapered (fig 6), uniform diameter (fig 4), or both (fig 5). The damper body 820 may be hollow, with constant (fig 8a) or decreasing (fig 8b, 8c) wall thickness, the mass members 832 on the inner or outer surface. The damper 400 may substitute a portion of the shaft 410 (fig 9).

Provided is an automatic balancer having shorter length in a axial direction of a rotation axis than that in a conventional art. An automatic balancer comprising: a balance head configured to rotate integrally with a rotating body around a rotation axis of the rotating body, the balance head including a balance correction mechanism which is electric and configured to correct imbalance of the rotating body, and a case having a cylindrical outer peripheral surface parallel to the rotation axis and configured to house the balance correction mechanism; a stator provided separately from the balance head and having a shape which is along a circumferential direction of the outer peripheral surface with a clearance from the outer peripheral surface, the stator electrically connected to a controller of the balance head; and a rotor part provided at a position where the rotor part faces the stator on the outer peripheral surface, configured to rotate integrally with the balance head, the rotor part having a shape along the circumferential direction of the outer peripheral surface and electrically connected to the balance correction mechanism, wherein the stator and the rotor part are configured to perform wireless communication therebetween.

The utility model provides a counterweight balance block, a scroll compressor assembly and a vehicle-mounted air conditioning system, and relates to the field of compressors. The counterweight balance block comprises a boss and a balance body which are connected, the boss is provided with a fixing hole for the eccentric pin to be inserted, and a distance is formed between the axis of the fixing hole and the axis of the boss; the balance body is provided with an assembling groove, the groove wall of the assembling groove is arranged to be an arc-shaped assembling face, and the arc-shaped assembling face is provided with a force transmission part and a chip removal part. And the assembling groove is used for inserting the motor shaft, so that a gap is formed between the chip removal part and the outer peripheral surface of the motor shaft while the force transmission part is in contact with the outer peripheral surface of the motor shaft. According to the structure, the transmission path of the scroll compressor assembly is changed, so that in the steady-state operation process of the scroll compressor assembly, supporting force does not exist between the movable scroll plate assembly and the anti-rotation pin, the problem that the anti-rotation pin is loosened due to alternating external force is effectively solved, and for a whole compressor, the anti-rotation pin is prevented from falling off due to the fact that exciting force does not exist. And the vibration and noise effects of the compressor can be effectively improved.

The present invention relates to a spindle dynamic balancing mechanism and a punching machine having the same. The spindle dynamic balancing mechanism comprises a spindle, an eccentric wheel and a dynamic balancing wheel. The eccentric wheels are provided with at least two and are assembled and fixed between the two ends of the spindle at intervals along the axial direction. The dynamic balancing wheels are provided with at least two groups and correspond to the eccentric wheels one by one. Each group of dynamic balancing wheels is provided with at least two and are assembled and fixed on the spindle after axial superposition and close to the corresponding eccentric wheel. Advantages: It is practical for on-site dynamic balancing of the whole machine, and there is no need to separate the spindle accessories one by one for dynamic balancing. The dynamic balancing using the balancing mechanism is high in precision, simple, fast and convenient, and improves work efficiency.

To provide a resin composition that allows curing to a deep region by irradiation with energy rays.SOLUTION: The present invention relates to a photocurable resin composition comprising a radical polymerizable component (A), a photopolymerization initiator (B), a filler (C), and an organic peroxide (D), wherein the component (A) includes a polyfunctional (meth)acrylate (A1) and / or a monofunctional (meth)acrylate (A2) having a (meth)acrylamide group, the component (B) is an intramolecular cleavage-type photoradical polymerization initiator, the component (C) has a specific gravity of 4.0 or more, a total content of the component (A1) and the component (A2) is 26 pts.mass or more and 100 pts.mass or less with respect to 100 pts.mass of the component (A), and a content of the component (D) is 1.3 pts.mass or more with respect to 100 pts.mass of the component (A).SELECTED DRAWING: None

The present invention relates to a grinding machine comprising a housing, a drive assembly, a fan assembly, and a base assembly. The drive assembly has a motor shaft. The fan assembly comprises a mounting disc as well as cooling fins and dust collection fins integrated into the mounting disc. The fan assembly has a partially thickened first weight section integrated into a second surface, the mass of which is less than or equal to 13% of the mass of the fan assembly. A balancing element is provided between the fan assembly and the base assembly, the balancing element having a center-of-mass adjuster projecting from a circumference and located on the same side of the motor shaft as the first weight section.In the invention, weight balancing is achieved by means of the fan arrangement and the independent balancing element in order to achieve a good compromise between the functionality (cooling, dust collection and weight balancing), economy and ease of use of the grinding machine.

The utility model relates to the technical field of rotor shafts, and discloses an atomizer stable rotor shaft which comprises a rotor rotating shaft, a protective sleeve is arranged on the shaft wall of the rotor rotating shaft in a sliding mode, a threaded hole is formed in the end portion of the rotor rotating shaft, and the inner wall, located in the threaded hole, of the rotor rotating shaft is in threaded connection with a tail threaded rod. A rotor upper counterweight ring and a rotor lower counterweight ring are respectively sleeved on the shaft walls of the rotor rotating shaft, which are positioned at the two ends of the protective sleeve; and a plurality of bolts are respectively connected with the joints of the rotor upper counterweight ring and the rotor rotating shaft as well as the joints of the rotor lower counterweight ring and the rotor rotating shaft around threads. According to the bolt provided by the utility model, the rotor upper counterweight ring and the rotor lower counterweight ring can be conveniently detached and replaced, the counterweight effect of the rotor rotating shaft can be adjusted, and the counterweight of the rotor rotating shaft can be conveniently adjusted according to use requirements, so that the stability of the rotor rotating shaft in use can be improved.

The invention relates to a method for actively balancing a rotor (1), comprising: providing a device with a rotor (1) that can be rotated around an axis of rotation and a mechanism (2) allocated to the rotor (1) for actively balancing, in which a magnetic fluid (7) is received in a fluid chamber (6) formed on the rotor (1), which partially fills the fluid chamber (6) and contains at least one of the following fluids: ferrofluid and magnetorheological fluid; holding the magnetic fluid (7) by means of a permanent magnetic field of a permanent magnet (5) arranged on the rotor (1) in an initial position in the fluid chamber (6); rotating the rotor (1) around the axis of rotation (3), and passing the fluid chamber (6) and permanent magnet (5) by an electrical exciter system with a fixedly arranged electromagnet (8) during the rotation of the rotor (1), wherein the permanent magnetic field of the permanent magnet (5) and an electromagnetic field of the electromagnet (8) here overlap in an activated state for active balancing purposes, so that the magnetic fluid (7) in the fluid chamber (6) performs a mass displacement proceeding from the initial position. Also created is a device with a rotor (1) and a mechanism (2) allocated to the rotor (1) for actively balancing the rotor (1).

Disclosed is a rotary disc balancing simulation mass for balancing a rotary disc configured to support a set of rotary components, wherein the rotary disc balancing simulation mass is configured to be attached to the rotary disc and configured to simulate the mass of two or more of the rotary components. Also disclosed are balancing simulation apparatus, and methods of balancing a rotary disc.

The invention relates to a module for a turbomachine comprising a shaft in an axial direction and an electric machine (110) comprising: - a rotor (120) coupled in rotation with the shaft and comprising a disk (122) and magnetic elements (124) arranged regularly around the periphery of the disk, and - a stator (130) integral with a housing of the module comprising a ring (132) and coils distributed annularly inside the ring of the stator, the coils are arranged outside the magnetic elements of the rotor in a radial direction, wherein the rotor has an imbalance defect represented by a mechanical force (F1) when the magnetic elements are in a first position, and at least one magnetic element (124) is movable from the first position to a second position adapted to apply to the rotor a magnetic force (F2) opposite to the mechanical force when the electric machine is in operation.Figure for the abbreviation: Figure 2.

Converter wheel assembly comprising a motor, a disc-shaped carrier (2) with a front (11) and a rear (12), at least one converter unit (5) which is arranged on and connected to the front of the carrier (2), wherein the carrier (2) and converter unit (5) form the converter wheel (1) which is connected to the motor via the hub (13), and at least one annular eccentric disc (6) with an opening (17) for fixing the eccentric disc (6) on the hub (13), wherein an imbalance of the converter wheel assembly is compensated by the fact that the area of ​​the opening (17) in which the eccentric disc (6) is fixed on the hub (13)is spaced apart from the center of mass (18) of the eccentric disc (6) and wherein the support (2) and the eccentric disc (6) are fixed on the hub (13) by a flange (3) or the hub (13) is designed as an expanding hub (20) and the support (2) and eccentric disc (6) are fixed on the expanding hub (20) by an expanding means.

An automatic balancing system for a centrifuge designed to maintain stability and minimize vibration during rotation. The system incorporates a central rotor with radially aligned linear actuators to adaptively counterbalance variations in fluid volume and weight distribution within cell processing cassettes (CPCs). It features accelerometers and position sensors for real-time monitoring and adjustment, with a user interface enabling automated or manual optimization of counterbalance weights. Additional innovations include radar-based fluid-level sensing for precise weight estimations, advanced optical detection systems for monitoring cell sedimentation, and a centrifuge control module to adjust rotational speed based on cell density feedback. The system also includes a temperature regulation mechanism, locking actuators, and multi-spectral imaging capabilities for enhanced processing accuracy. This comprehensive platform ensures precise, efficient, and contamination-free operations for automated cell processing applications, including gene therapy and therapeutic cell production.

A non-marking, adhesive wheel balancing weight, characterized in that: it comprises an upper balancing weight body (2) and a lower adhesive component (1) which is a non-marking foam adhesive tape, for the adhesive component (1) a first adhesive film layer (1.1), a foam layer (1.2), a second adhesive film layer (1.3), a mixed intermediate layer (1.4), a third adhesive film layer (1.5) and an insulating film layer (1.6) are provided in sequence from the direction of the balancing weight body (2); that the mixed intermediate layer (1.4) is made of 21% PET materials and 79% foam materials.

A dynamic balancing assembly (150) for a laundry apparatus (10) includes a control unit (24), one or more counterweight devices (170a, 170b), and one or more clocksprings (180a, 180b). The one or more counterweight devices are configured to be orbited about a primary rotation axis of the laundry apparatus to counteract a load imbalance in a drum of the laundry apparatus. The one or more clocksprings communicatively couple each of the one or more counterweight devices to the control unit.

The present invention relates to an electromechanical power steering system for a motor vehicle, comprising a servomotor (1) and a ball screw drive (2), wherein the ball screw drive (2) has a belt pulley (3), a ball nut (4), and a threaded spindle (5), wherein the belt pulley (3) is arranged concentrically to the ball nut (4) and surrounds it, wherein the ball nut (4) engages with the threaded spindle (5), wherein the belt pulley (3) can be driven by the servomotor (1) via a drive belt (6), wherein the belt pulley (3) has, on a first half of its inner circumference, two radially inwardly extending projections (7, 8), which are positively connected to the ball nut (4) in the circumferential direction, wherein the belt pulley (3) has, on a second half of its inner circumference, a third projection (9), which extends radially inwardly and via which the belt pulley (3) is supported on the outer circumference (10) of the ball nut (4).In order to further develop such an electromechanical power steering system in such a way that, on the one hand, there is great design freedom with regard to the design of the components of the ball screw drive, and, on the other hand, that the pushing-through force, i.e. the force required to move the rack, has a force-displacement curve which has little ripple without large force peaks, with vibrations and noise development being as low as possible, it is proposed that the belt pulley (3) has compensating material (12a, 12b) on its inner circumference (11) on both sides of the third projection (9), by means of which compensating material any imbalance of the ball screw drive (2) is compensated.

The invention relates to a vibration absorber (1, 1') for resonance vibrations of rotating bodies, in particular rail wheels, having a plurality of vibratory tongue plates (4, 4') which are separated from one another by intermediate layers (5, 5') of damping material, are rigidly connected to the rotating body at at least one point and are coupled to the rotating body over a large area in the remaining region, wherein the individual tongue plates (4, 4') and the individual intermediate layers (5, 5') of damping material are coordinated with one another in such a way that the tongue plates (4, 4') vibrate at the resonance frequency, to be damped, of the rotating body and the individual tongue plates (4, 4') vibrate such that they compress and relax the damping material of the intermediate layers (5, 5'). In order to enable the vibration properties and damping properties to be set flexibly while ensuring simple manufacturing and reliable attachment of the damping elements, it is proposed that at least one of the tongue plates (4, 4') has a through opening (9, 9') through which the two adjacent intermediate layers (5, 5') of damping material are connected to one another to form a single-piece damping element.

This disclosure relates to the geometry of a balance ring. A ring-shaped component assembly for mounting to a shaft of an aircraft engine is provided. The assembly includes a first annular body having a surface defining a plurality of pull features extending from the remainder of the surface and circumferentially spaced apart. The assembly includes a second annular body defining a balance ring concentric with the first annular body, the balance ring having a plurality of protrusions and circumferential spaces between adjacent protrusions, the circumferential spaces accommodating the pull features such that the pull features of the first annular body are clamped to the protrusions.

A dual-mass flywheel (1) is installed in the drive train of a motor vehicle driven by an internal combustion engine, and consists of a primary part (2) and a secondary part (3), the primary part and the secondary part are connected by a spring damping device (5) and can rotate about a rotation axis (4) and can be twisted relative to each other in a limited manner, an arc spring (7) installed in a spring channel (6) of the spring damping device is supported on a stop of the primary part and a support flange (18) of the secondary part, the multi-piece primary part includes a disk-like axially elastic flexible plate (10), the flexible plate is fixed to the internal combustion engine radially on the inside and is connected to the primary flywheel mass (13) radially on the outside, the outer bent leg (11) of the one-piece flexible plate is surrounded by a cylindrical section (12) of the primary flywheel mass to fix the flexible plate in a torsionally rigid manner, and the primary flywheel mass (13) includes a toothed ring (21) positioned on the outside and local areas (27, 28) for balancing measures.

To provide an improved system and method for balancing a rotor.SOLUTION: A rotor (102) for use in a centrifuge, comprising: a rotor body (210) including an axis of rotation; and a plurality of balancing apertures (432) arranged circumferentially about the axis of rotation, the balancing apertures (432) being configured to selectively receive weights (433), wherein the balancing apertures (432) are comprised in a lid (212). 432.SELECTED DRAWING: Figure 5

This dynamic balancing system (18, 20) for a rotating part comprises a plurality of cylinders (22, 22a, 22b) extending radially and distributed in the circumferential direction, each cylinder (22, 22a, 22b) being provided with a body (24), a rod (26) and a piston (28) fixed to the rod (26) and delimiting in the body (24) of the cylinder (22, 22a, 22b) a first chamber (32) and a second chamber (34), each cylinder (22, 22a, 22b) being further provided with a counterweight (30) mounted on the rod (26) of the cylinder (22, 22a, 22b) and arranged radially outside the body (24) of the cylinder (22, 22a, 22b). 22b), the system (18, 20) further comprising means for supplying fluid (36) to the first and second chambers (32, 34) of each cylinder (22, 22a, 22b). Figure for the abstract: Fig 2