1751results about "Shaft assembly" patented technology

The invention relates to a hydrodynamic or hydrostatic sliding bearing (1) for the rotatable support of a shaft (3), in particular in a wind turbine (2), with at least one first sliding element (4) having a first sliding surface (5), which is arranged radially and / or axially displaceable on a connection structure (6), wherein a first ramp section (7) is formed on the at least first sliding element (4) and a corresponding second ramp section (8) is formed on the connection structure (6) such that an axial displacement of the sliding element (4) relative to the connection structure (6) causes a radial displacement of the sliding element (4) and / or vice versa, so that the bearing clearance of the sliding element (4) relative to the shaft (3) is adjustable, wherein the at least first sliding element (4) is held clamped relative to the connection structure (6) by means of at least one clamping element (9) which is displaceable relative to the connection structure (6).

A bearing system includes a housing having an inner surface defining a bore and a slot, and a foil bearing assembly positioned within the bore. The foil bearing assembly includes an outer foil assembly, a bump foil assembly, and an inner foil assembly. The outer foil assembly includes an outer foil extending from a first outer foil end to a second outer foil end, and a first anti-rotation tab at the first outer foil end that is received by the slot to limit circumferential movement of the outer foil in a first direction. The inner foil assembly is secured to the outer foil and includes an inner foil extending from a first inner foil end to a second inner foil end, and a second anti-rotation tab at the second inner foil end that is received by the slot to limit circumferential movement of the inner foil in a second direction.

An adjustment system comprising: a pivot nut comprising a pivot nut aperture feature configured to accept the lower portion of a pivot bolt; a floor mount having a slot in which the pivot nut is slidingly engaged so as to have a movement including forward-backward, side-to-side and rotational, the floor mount having a floor mount aperture that aligns with the pivot nut aperture; and a cover configured to mount over the floor mount and engage with the pivot nut so as to move with the pivot nut.

A solar tracker bearing apparatus mountable to an upright support post for rotatably supporting a torque tube beam of a solar tracker assembly and including: a rotatable bearing assembly supported for rotation about an axis of rotation by a stationary saddle assembly. The rotatable bearing assembly includes a central portion and first and second spaced apart arcuate peripheral portions, the central portion defining a beam slot, the first arcuate peripheral portion including a first arcuate rim bearing and the second arcuate peripheral portion including a second arcuate rim bearing, and the first and second rim bearings being spaced apart in a direction parallel to the axis of rotation of the rotatable bearing assembly. The stationary saddle assembly includes a first arcuate bearing race slidably supporting the first arcuate rim bearing and a spaced apart second arcuate bearing race slidably supporting the second arcuate rim bearing.

The invention relates to an embedded rolling bearing with a source end parameter acquisition system and a manufacturing method of the embedded rolling bearing. The embedded rolling bearing comprises a bearing body, and a containing groove is formed in the peripheral face of the bearing body; the thin film sensor assembly is formed in the accommodating groove, and comprises a PDC-ITO (Poly (Propylene Diene Monomer-Indium Tin Oxide)) strain element, a PDC-Pt (Poly (Propylene Diene Monomer)-Pt) temperature element, a PDC-PZT (Poly (Poly (Propylene Diene Monomer)-PZT) piezoelectric thin film and a plurality of bonding pads which are respectively matched with the PDC-ITO strain element, the PDC-Pt temperature element and the PDC-PZT piezoelectric thin film; the acquisition microstructure is arranged in the accommodating groove and comprises a PCB (Printed Circuit Board) and a functional chip which is formed on the PCB and is electrically connected with the plurality of bonding pads through a plurality of electrical interconnection sockets; the heat insulation pouring sealant is poured into the accommodating groove; and a metal cover. Normal installation of the bearing is achieved to the maximum extent, and the defect that the appearance and the size of a traditional external sensor and a traditional collector are limited is overcome.

An opening and closing device couples a vehicle body having an opening to a body that opens and closes the opening, at least one of the vehicle body and the body including a ball stud including a ball, the opening and closing device including: a shaft member; a socket fixed to an end of the shaft member, including a housing portion that houses the ball, and constituting a ball joint together with the ball; an elastic body supported by the socket and holding the ball with the socket; and a cover mounted at a restricting position where displacement of the elastic body relative to the socket is restricted. The cover includes two side walls sandwiching the housing portion, one of the housing portion and the side walls has a recess, and the other has a protrusion fitted into the recess when the cover is at the restricting position.

The invention discloses a fine gap-adjustable tilting pad bearing and a control method, and belongs to the technical field of bearings, and the fine gap-adjustable tilting pad bearing comprises a bearing body, pads, pre-tightening screws, set screws, a cover plate, a displacement amplification structure, pre-tightening bolts, elastic gaskets and piezoelectric ceramic stacks. A plurality of tilting pads are arranged on the inner arc surface of the bearing body and are matched with the bearing body through a spherical support; four radial grooves are formed in the outer arc face in the circumferential direction and are opposite to the centers of the four tile blocks respectively. A notch of the radial groove is connected with a cover plate, is internally provided with a piezoelectric ceramic displacement amplification mechanism and is connected with the spherical support through a positioning pin; a piezoelectric ceramic stack is arranged between a left boss and a right boss of the mechanism and is pre-tightened by a pre-tightening bolt and an elastic gasket. According to the invention, the inverse piezoelectric effect of piezoelectric ceramics is utilized, a vibration and non-linear suppression method is provided, an advanced control algorithm is matched, the piezoelectric ceramics stack is electrified and contracted, a displacement amplification effect is generated through a displacement amplification mechanism, the tile gap is finely adjusted, and the high-performance requirement of modern rotating machinery is met.

A press tool system for pressing a bushing assembly into a bushing opening defined by a structural member comprising a tool assembly and an actuator system. The press tool system comprises a tool assembly and an actuator system. The tool assembly comprises a brace assembly, a drive member, and a retaining sleeve. The actuator system comprises an actuator housing assembly and a piston member. The brace assembly is arranged to brace the actuator housing assembly relative to the structural member. The drive member is arranged between the piston member and the bushing assembly. The retaining sleeve is arranged at least partly around the bushing assembly. The actuator system displaces the piston member relative to the actuator housing assembly to force the bushing assembly at least partly through the retaining sleeve and into the bushing opening in a desired position relative to the structural member.

The present invention pertains to a wear pad for a telescopic boom of a work machine, comprising a base part configured to be fixedly mounted to the telescopic boom, and a top layer part configured to provide a wear-resistant, low friction sliding surface. The top layer part is configured to be releasably mounted to the base part. The invention further pertains to a telescopic boom assembly for a work machine, comprising a first boom segment having at least one first wear pad assembly mounted to a free end of the first boom segment, and a second boom segment having at least one second wear pad assembly mounted to a sliding end of the second boom segment, wherein at least one of the wear pad assemblies comprise a wear pad having a base part and a top layer part configured to provide a wear-resistant, low friction sliding surface. The top layer part is configured to be releasably mounted to the base part. Further, the present invention pertains to a work machine comprising such telescopic boom assembly.

Methods and systems for controlling charging of the battery in an electric vehicle. Lithium plating is monitored, measured, or estimated. Identification of lithium plating conditions is used to determine whether and when to reduce charging current. Conversely, if no lithium plating conditions are identified, charging current may be increased toward a maximum level determined based on the state, age and / or health of the battery.

The invention relates to a push / pull rod (10) comprising at least one first fastening device (12) with a coupling element (12a) and a shank (12b) which is arranged on it, at least one first connection piece (18), wherein the first fastening device (12) is connected to the first connection piece (18) such that it can be rotated via a threaded arrangement (30) in order to change the length of the push / pull rod (10), a holding device with first and second holding elements interact, and are pressed against one another by means of a spring element (28), wherein the first holding element of the holding device is connected fixedly to the first connection piece (18) for conjoint rotation, and the second holding element is arranged fixedly on the first fastening device (12) for conjoint rotation.

The invention discloses a hub bearing unit and a manufacturing method thereof, and relates to the field of bearings, the hub bearing unit comprises an inner ring and an outer ring, fan blades are arranged on the outer wall of the inner ring, shells are detachably arranged on the two sides of the outer ring, heat dissipation pipes are arranged on the inner sides of the shells, grooves are formed in the outer ring, and cooling pipes are arranged in the grooves. The fan blades on the inner ring dissipate heat of the outer surface of the bearing body, internal hot air is exhausted from the air outlet, clean exchange of internal air and external air is achieved through cooperation of the one-way air outlet mechanism and the filter screen, meanwhile, the fan blades can cool cooling liquid in the heat dissipation pipe, the cooling pipe is located in the inner cavity of the outer ring, and the cooling effect is good. And heat exchange work is conducted through cooling liquid in the cooling pipes, the cooling liquid which is expanded after being heated enters the cooling pipes to be cooled, circulation of the cooling liquid is achieved through expansion and contraction of the cooling liquid, and the cooling effect of the hub bearing unit is further improved.

Provided is a sealing device (10) for use together with a rolling bearing to at least partially seal at least one interior space (12) of the rolling bearing from an external environment (14). The sealing device (10) includes a first carrier member (16) having a passage (20) that fluidly connects an internal space (12) of the rolling bearing and an external environment (14). The sealing device (10) also includes a ventilation means (24) having at least one accommodating body (26) and at least one membrane (28). The accommodating body (26) includes a channel (32) and completely passes through the passage (20) of the first carrier member (16). The membrane (28) is at least partially disposed in the channel (32) of the accommodating body (26). The accommodating body (26) is injection molded, and the membrane (28) is overmolded and / or laser welded to the accommodating body (26) and fixed thereto.

Rolling bearing unit (6) with a rolling bearing (3) and an annular cage (1) formed from two half-cages (10) connected to each other by pins (16) and holes (18) arranged alternately in a row on each half-cage (10), the pins (16) of one half-cage snappingly connected to the holes (18) of the opposite half-cage, and rigid blocks (21) alternating with recesses (22), the rigid blocks (21) of one half-cage (10) coupling to the recesses (22) of the opposite half-cage (10), the projecting rigid blocks (21) supporting the projecting pins (16), the holes (18) being formed on the rear side of the recesses (22), such that the half-cages (10) are connected by a first coupling and a second coupling in a row (14, 15) are connected, which are designed to absorb tangential and axial stresses separately;wherein the half-cages (10) are provided with a radial annular rib (34) which serves as a shield.;

A malleable tube (10) provided with two rolling bearings (20) arranged along a respective axis of rotation (A), wherein a spacer (40) is inserted between the two rolling bearings (20) to provide structural stiffness to the malleable tube (10); and a cylindrical retaining sleeve (5) formed around the two rolling bearings (29) and the spacer (40), wherein two metal bushings (60) are inserted between the cylindrical sleeve (50) and the two rolling bearings (20) to be formed together with the cylindrical sleeve (50).

A ball joint assembly for a vehicle includes a mounting part including an inner circumference part forming a hole in a vertical direction; a ball stud including a ball and a stud extending from the ball; a bearing coupled to surround the ball and disposed in the hole; and an insert molding part for filling the space of the hole formed between the inner circumference part and the outer surface of the bearing. The inner circumference part includes at least one upper protruding part protruding from an upper area thereof in a direction toward a central axis of the hole and at least one lower protruding part protruding from a lower area thereof in a direction toward the central axis.

A linear motion guide apparatus that is easily assembled is provided. The linear motion guide apparatus includes: two guide rails that are movable relative to each other in a longitudinal direction thereof via at least one rolling element; and a cage configured to hold the rolling element and hold a gear engaging with a meshing portion provided to at least one of the two guide rails. The cage includes: a first split body in which a rolling element holding portion that holds the rolling element and a gear holding portion that holds the gear are integrally formed; and a second split body in which a rolling element holding portion that holds the rolling element and a gear holding portion that holds the gear are integrally formed. The first split body and the second split body are joined to each other.

The invention provides an upper node of a spherical connecting rod. The spherical connecting rod upper node comprises a core shaft and a rubber body wrapping the core shaft, a circle of protrusions with hemispherical sections are arranged on the middle section of the core shaft in the circumferential direction, the protrusions are glued to the inner side of the rubber body, and the outer side of the rubber body is of a cylindrical structure. According to the spherical connecting rod upper joint, the problems that an existing rubber joint is high in deflection rigidity, common in deflection fatigue performance, difficult to meet use requirements and the like are solved.

A method for manufacturing a transmission device that includes a casing, and a rotary part rotatably guided inside the casing by means of a first bearing and a second bearing. The method includes axially moving a preloading element in a first recess until it bears axially against the first bearing in the first direction, and then applying a force to the preloading element until the applied force reaches a set value and the preloading element reaches a preloading position in which a predetermined axial preloading force is applied by the preloading element and the axial bearing surface of the casing to the first bearing and the second bearing, respectively. The preloading element is attached to the casing in in the preloading position.

The spindle sliding bearing comprises a radial pad, a thrust pad and a bearing main body, the middle of the bearing main body is columnar, and the two sides of the bearing main body are conical tables; the radial pads are uniformly arranged in the middle of the through hole in the bearing main body in the circumferential direction, and the thrust pads are uniformly arranged on the conical tables at the two ends of the bearing main body in the circumferential direction. Compared with the prior art, the segmented sliding bearing is adopted, the conical surface radial pads and the inclined plane thrust pads are distributed in an array mode in the axial direction to form a multi-pad structure, and the pad replacement efficiency can be improved. The thrust pad installed in an inclined mode can bear radial loads and axial loads at the same time, and the overall bearing capacity of the bearing is enhanced while axial impact is borne.

An assembly is provided including a pin and a crank. The crank has a hole in which a connecting region of the pin is fixed by an interference fit to connect the pin and the crank. The hole has a substantially circular cross-section and the connecting portion has a circular cross-section. The cross-section of the hole deviates from the circular shape at one or more places and is larger at any such locations than the cross-section of the connecting portion.

The invention provides a fitting machine for rolling bearing manufacturing, and relates to the technical field of bearing assembly, the fitting machine comprises an assembly seat, the assembly seat comprises a cooling support bin, a first fitting support plate is longitudinally and slidably mounted in the cooling support bin, and a second fitting support plate is longitudinally and slidably mounted in the first fitting support plate; a pair of clamping grooves is formed in the inner side of the second fitting supporting plate, a conical supporting barrel is fixedly installed at the top of the first fitting supporting plate, a plurality of conical limiting barrels are longitudinally and slidably installed on the conical supporting barrel, and a plurality of limiting grooves are fixedly formed in the tops of the conical limiting barrels. Meanwhile, the positions of the rollers and the balls can be fixed before fitting, so that the rollers or the balls are prevented from deviating during fitting, and the mounting efficiency is prevented from being influenced; by means of the retainer assembling mechanism, the retainer can be accurately arranged in the balls in a sleeved mode, and the bearing assembling efficiency is improved.

A ball joint assembly for control arm. The ball joint assembly has an upper portion with a ball socket and stud centered about a first centerline. A radial extension that is connected to the upper portion supports a mounting body with a second centerline and an outer diameter that fits within an aperture in the control arm. A threaded shaft depends from the mounting body and receives a nut to tighten against the control arm until the first centerline of the ball joint assembly is fixed in a desired position.

A modular crankshaft configured for use within a power end assembly. The modular crankshaft is configured to interconnect a drive shaft and a plurality of linear drive assemblies. The various embodiments of modular crankshafts disclosed herein are assembled by interconnecting a plurality of individual main bearing journals using a plurality of fasteners. One or more embodiments of modular crankshafts may also include individual connecting rod journals that are attached to individual main bearing journals using a plurality of fasteners.

An adjustable ball joint which is infinitesimally adjustable using a jam nut wherein no set screws are used. A kit for constructing an adjustable ball joint which is infinitesimally adjustable using a jam nut wherein no set screws are used. A method of assembling an adjustable ball joint which is infinitesimally adjustable using a jam nut wherein no set screws are used.

The invention discloses a needle mounting device, and relates to the technical field of retainer needle mounting. A needle installing device comprises a reciprocating driving part, a belt rotating part connected to the reciprocating driving part, a pressing die connected to the belt rotating part and a matching die arranged opposite to the pressing die, the matching die is provided with a containing groove used for containing a retainer, and the matching die is further connected with a needle feeding machine communicated with the containing groove. The radial driving-in device can efficiently complete radial driving-in of the roller pins.

A bearing device includes a first ring and a second ring configured to rotate relative to one another and an insulating sleeve formed from a bushing and an electrically insulating lining. The lining is overmolded on the bushing and on the second ring and connects the bushing to the second ring. The radial internal or external surface of the bushing incudes at least one helicoidal groove and the lining incudes at least one fastening rib having a shape complementary to a shape of the at least one helicoidal groove that extends into the at least one helicoidal groove. The helicoidal groove extends circumferentially at least 360 degrees around the radial internal or external surface of the bushing or the radial internal surface of the bushing.

The invention provides a steel wire raceway bearing. The steel wire raceway bearing comprises a shell; a steel wire disposed in a recess of the housing for accommodating the steel wire; and the elastic adhesive is coated between the steel wire and the concave part so as to adhere the steel wire to the concave part. The invention also provides a method for assembling the steel wire raceway bearing. The method comprises the following steps of: 1, coating the concave part with the elastic adhesive along the circumferential direction; 2, the steel wire is installed in the concave part coated with the elastic adhesive; and 3, curing the elastic adhesive so as to bond the steel wire to the concave part. Compared with the prior art provided with a buffer pad, the steel wire and the shell can be fixedly bonded together through the elastic adhesive, unexpected displacement of the steel wire can be effectively prevented, the steel wire can still be allowed to move within an allowable range, vibration of the steel wire can be absorbed, and the buffering effect is achieved.

Provided is an air-conditioning indoor unit. The air-conditioning indoor unit includes a plurality of centrifugal wind wheels, a motor drivingly connected to the plurality of centrifugal wind wheels, an electric control box disposed in an axial direction of the plurality of centrifugal wind wheels, and an evaporator disposed in a radial direction of the plurality of centrifugal wind wheels and obliquely disposed relative to a height direction of the air-conditioning indoor unit. By providing the plurality of centrifugal wind wheels and driving the plurality of centrifugal wind wheels by a same motor, when a size of the air-conditioning indoor unit is large, a constant air volume may be outputted. The electric control box is located in the axial direction of the centrifugal wind wheel and far away from the evaporator, to prevent the electric control box from being splashed by condensed water. In addition, since there is a large space when the centrifugal wind wheel is provided, the electric control box is located in the axial direction of the centrifugal wind wheel to more facilitate an arrangement of the electric control box. The evaporator is disposed obliquely relative to the air-conditioning indoor unit. In this way, a thickness of the air-conditioning indoor unit can be reduced, and heat exchange efficiency can be improved.