3983results about "Bearing assembly" patented technology

To provide an electric corrosion preventing electric conductive cover and a rolling bearing which can prevent electric corrosion to lengthen a service life thereof.SOLUTION: An electric corrosion preventing electric conductive cover 1 has: a bearing fitting part 9 having a cylindrical part fitted in a first bearing ring 3 of a rolling bearing 2 and having electric conductivity; and an electric conductive part 10 radially extending from the bearing fitting part 9 to come into contact with a second bearing ring 4 of the rolling bearing 2 and having electric conductivity. A rolling bearing 2 includes the electric corrosion preventing electric conductive cover 1.SELECTED DRAWING: Figure 2

A bearing device includes first and second rings each having end faces and being configured to rotate relative to one another, and the second ring has an annular groove. A socket having an electrically insulating sleeve is mounted on the second ring with the insulating lining radially interposed between the second ring and the socket. End faces of the electrically insulating lining each have an annular groove with a bottom that is offset axially inward relative to the respective first and second end faces of the second ring and to the respective first and second end faces of the socket. A method includes grinding end faces of the socket and / or second ring to reduce an axial depth of the grooves in the insulating layer.

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).

The invention discloses a self-lubricating gasket capable of intelligently monitoring wear, the gasket comprises a substrate, a wear-resistant layer and a monitoring part, one side of the substrate is adhered to the inner side of a bearing outer ring, and the wear-resistant layer is arranged on the other side of the substrate; the multiple monitoring parts are arranged around the base in the circumferential direction and comprise conductive wear pieces and resistance sensors, the conductive wear pieces are embedded in the surface of the side, close to the wear-resistant layer, of the base, the resistance sensors are arranged in the base, and the conductive wear pieces are connected with the resistance sensors through positive and negative wires; and the substrate, the wear-resistant layer and the conductive wear sheet are all self-lubricating gaskets. When the self-lubricating gasket is used for a self-lubricating bearing, on the premise that the antifriction and abrasion resistance of the self-lubricating gasket is not affected, the resistance value change of the gasket on the bearing can be monitored, the abrasion loss of the gasket is monitored through the resistance value change, shutdown or equipment disassembly is not needed, the detection efficiency is improved, and the labor cost is reduced; errors caused by manual measurement are avoided, and the intelligent monitoring effect is achieved.

The invention relates to the technical field of bearings, and provides a hydrostatic bearing gas supply system which comprises a first gas supply subsystem and a second gas supply subsystem, the first gas supply subsystem comprises a first pipeline, a first check valve, a first reaction mechanism, a second reaction mechanism and a degassing structure, and the first reaction mechanism, the second reaction mechanism and the first pipeline are sequentially connected; a reactant is arranged in the first reaction mechanism, a catalyst is arranged in the second reaction mechanism, and the first check valve and the degassing structure are arranged on the first pipeline; the second gas supply subsystem is connected with the first pipeline; when the gas source is cut off, the reactant and the catalyst are subjected to chemical reaction in the second reaction mechanism to generate water vapor and oxygen, the degassing structure is used for consuming the oxygen and generating superheated steam, and the superheated steam enters the hydrostatic bearing. The air supply system for the hydrostatic bearing provides the pure water vapor working medium for the hydrostatic bearing, so that the normal operation of the hydrostatic bearing is ensured, and the hydrostatic bearing is prevented from being damaged.

A bearing pedestal for a bearing high-temperature environment simulation test, which belongs to the technical field of bearing tests. The bearing pedestal comprises a mounting portion for mounting an outer ring of a test bearing (9), wherein the bearing pedestal is provided with a flow channel therein allowing a high-temperature medium to pass through to heat the mounting portion; and a medium inlet (1) and a medium outlet (6) both in communication with the flow channel are provided in the bearing pedestal. The medium inlet (1) allows inflow of the high-temperature medium, and the medium outlet (6) allows discharge of the high-temperature medium, such that the high-temperature medium flows through the flow channel in the bearing pedestal to heat the mounting portion of the bearing pedestal, and then heat is transferred to the outer ring of the test bearing (9) to heat the outer ring of the test bearing (9), so as to simulate the high-temperature environment during operation of the outer ring of the bearing. Since the flow channel is only provided in the bearing pedestal, other irrelevant components are not heated, which does not belong to an assessment method in a physical main unit, such that the bearing pedestal has low power consumption, is energy-saving, and is cost-effective. Further provided is a device for a bearing high-temperature environment simulation test.

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.

The present invention relates to a bearing house comprising a bearing house body for holding a bearing; a shield forming a shaft insertion for inserting a shaft into the bearing house, and at least one conducting element providing an electrical connection between the inside of the bearing house body to an outside material.

The utility model provides an automobile hub bearing, and belongs to the technical field of automobile accessories. The problem that an existing automobile hub bearing is poor in sealing performance is solved. The automobile hub bearing comprises an inner ring and an outer ring, the outer ring movably sleeves the surface of the inner ring, the right side of the surface of the outer ring is sleeved with a sealing cover, the top and the bottom of the sealing cover are fixedly connected with positioning mechanisms in a penetrating mode, positioning grooves are formed in the right side of the top and the right side of the bottom of the surface of the outer ring, and a sealing groove is formed in the right side of the surface of the outer ring. The right side of the surface of the outer ring is sleeved with a sealing ring, a groove is formed in the inner wall of the sealing cover, an air bag is placed in an inner cavity of the groove, and the top of the air bag communicates with an air nozzle. The utility model has the advantages that the sealing performance is good, the sensor is not easy to erode by water vapor, and the sealing cover can be stably fixed due to the limit structure.

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 magnetic adjustment water lubricated bearing and a bearing support control method, which are applied to a large ship propulsion shaft system, and comprise a bearing shell, an electromagnetic excitation module, a batten, a sensor module, a power supply driving module and a control system, a plurality of mounting grooves are formed in the bearing shell; an electromagnetic excitation module is arranged in each mounting groove and generates a variable magnetic field with set intensity; a plurality of magnetically soft alloy segments are arranged on the batten, the magnetically soft alloy segments correspond to the electromagnetic excitation modules one to one, and a magnetic field acts on the magnetically soft alloy segments to generate electromagnetic attraction force; the control system independently controls the excitation current of each electromagnetic excitation module according to data of the sensor module, and generates magnetic fields with different intensities to act on soft magnetic alloy areas at corresponding positions, so that precise control of local supporting rigidity and lubricating gaps of the water-lubricated bearing is realized, unbalance loading and abnormal wear risks are effectively reduced, and the service life of the water-lubricated bearing is prolonged. And the adaptive capacity of the bearing under low-speed heavy load and dynamic disturbance is improved.

A hydrostatic gas bearing with humidity removed by electrical heating. The hydrostatic gas bearing includes a bearing seat, a rotary shaft, an annular throttling component, and a plurality of heating rods. A cavity is provided inside the bearing seat and an inlet pipe is provided on an outer surface of the bearing seat that communicates with the cavity. The annular throttling component is sleeved on the outside of the rotary shaft, with a first gap provided between the annular throttling component and the rotary shaft. The annular throttling component is configured to throttle and cool a medium. A plurality of heating rods are provided in the annular throttling component, arranged circularly along a circumference of the annular throttling component, and configured to heat and vaporize a part in liquid phase in a cooled medium.

The invention relates to the technical field of bearings, and provides a hydrostatic bearing air supply system capable of improving transient bearing capacity, which comprises a first air supply subsystem and a second air supply subsystem, the first gas supply subsystem comprises a first pipeline, a first switch valve, a reaction mechanism and a degassing mechanism, reactants are arranged in the reaction mechanism, the reaction mechanism is communicated with the first end of the first pipeline, the second end of the first pipeline is used for being communicated with the hydrostatic bearing, and the first switch valve and the degassing mechanism are both arranged on the first pipeline; the degassing mechanism is positioned between the reaction mechanism and the first switch valve; the second air supply subsystem is used for communicating with the hydrostatic bearing through a first pipeline; the first switch valve is used for being opened under the condition that the hydrostatic bearing is impacted, so that water vapor in the hydrostatic bearing enters the reaction mechanism to be chemically reacted with reactants, and water vapor and oxygen are generated; the degassing mechanism is used for consuming oxygen and generating superheated steam. Normal operation of the hydrostatic bearing can be guaranteed, and the hydrostatic bearing is prevented from being damaged due to rotor collision.

The invention relates to a bypass device (1), an electrically conductive bypass conductor (3), and a first machine element (12), wherein the bypass conductor (3) is in contact with the first machine element (12), the first machine element being contacted by the bypass conductor (3) at a contact surface (K), and the contact surface (K) comprising a layer system (3) electroplated onto the first machine element (11), wherein the layer system (3) optionally comprises a first layer (3a) arranged on the first machine element (11) and at least one second layer (3b) arranged on the first machine element (11) or, if present, on the first layer (3a), wherein the optional first layer (3a) is formed of copper or nickel, and the at least one second layer (3b) is formed of an alloy comprising at least two of the elements tin, copper, nickel, silver, zinc, bismuth, antimony, cobalt, manganese, and tungsten.where the alloy contains non-metallic particles, including a comprehensive number of electrically conductive particles.

The system for generating electrical energy enables the generation of electrical energy in a linear motion device having a first device component and a second device component, wherein the second device component is supported on the first device component via rolling elements (WK), such that the second device component is linearly movable relative to the first device component. The system for generating electrical energy comprises: the rolling elements (WK), which are movable along a direction of movement (BR) during operation of the linear motion device;a device (PM) for generating a static magnetic field in a spatial region (RB) which the rolling elements (WK) must traverse one after the other during operation of the linear motion device during a movement along the direction of movement (BR), wherein the rolling elements (WK) consist of a magnetically permeable material, so that the rolling elements (WK) are suitable for influencing the magnetic field depending on the position of the rolling elements (WK) in the one spatial region (RB);and at least one induction coil (IS) with at least one coil turn, wherein the at least one induction coil (IS) is arranged stationary relative to the device (PM) for generating a static magnetic field in such a way that, due to a change in the position of the rolling elements (WK) during a movement of the rolling elements (WK) along the direction of movement (BR) through the one spatial region (RB), it experiences a change in a magnetic flux which induces an electrical voltage (Uind) in the at least one coil turn;

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.

An assembly is provided for a turbine engine. This turbine engine assembly includes a rotating assembly configured to rotate about an axis. The rotating assembly includes an engine component and a phonic wheel. The engine component includes a first material and a plurality of apertures arranged circumferentially about the axis. The phonic wheel includes a second material and a plurality of teeth arranged circumferentially about the axis. Each of the teeth projects axially into a respective one of the apertures. One of the first material and the second material is or otherwise includes non-ferromagnetic material. Another one of the first material and the second material is or otherwise includes ferromagnetic material.

The invention discloses an in-situ integration method of an array bearing temperature sensor, and aims to solve the problem that the complexity of a bearing structure is increased by an existing bearing integrated sensor. The in-situ integration method of the bearing temperature sensor comprises the following steps: 1, cleaning the surface of a bearing; 2, depositing an insulating layer substrate on the surface of the outer ring of the clean bearing by adopting a magnetron sputtering process; 3, adopting a flexible mask plate, and arranging the mask plate on the outer diameter surface of the outer ring of the bearing; 4, sputtering and depositing a thermal resistance sensitive layer on the insulating layer of the outer diameter of the bearing outer ring by adopting a magnetron sputtering process; and 5, sputtering and depositing a protective layer on the thermal resistance sensitive layer of the outer diameter of the bearing outer ring by adopting a magnetron sputtering process to complete the in-situ integration method of the array bearing temperature sensor. The array thermal resistance film temperature sensor is formed by adopting the film thermal resistance sensor in-situ shape-following preparation process, and the structure of the whole system is simplified through the sensor in-situ integration process.

A hydrostatic gas bearing is provided that is configured to remove humidity by heat exchanging, including a bearing seat, a rotary shaft, an annular throttling component, and a plurality of heat exchanging tubes. A cavity is provided inside the bearing seat and an inlet pipe is provided on an outer surface of the bearing seat. The annular throttling component is sleeved on the outside of the rotary shaft with a first gap provided between the annular throttling component and the rotary shaft. The first gap goes through the bearing seat to form an exhaust channel therein, and the annular throttling component is configured to throttle and cool a working medium. The plurality of heat exchanging tubes are provided in the annular throttling component, with heat exchanging medium flowing therein, which is configured to heat and vaporize a part of an in-liquid phase in a cooled portion of the working medium.

The invention discloses a three-coordinate measuring machine, which comprises a first guide rail; the second guide rail is parallel to the first guide rail; the two ends of the cross beam are movably connected with the two guide rails through a first connecting assembly and a second connecting assembly, and at least part of the cross beam is located in the space between the first guide rail and the second guide rail; the driving unit comprises a first driving mechanism and a second driving mechanism which are assembled to the first connecting assembly and the second connecting assembly correspondingly and used for driving the cross beam to move synchronously along the first guide rail and the second guide rail. The sliding frame is movably connected to the cross beam; the Z-axis assembly is assembled on the sliding frame; the gravity centers of the cross beam, the sliding frame and the Z-axis assembly are coplanar with the top faces of the two guide rails. The invention provides a three-coordinate measuring machine, which ensures the operation stability of a cross beam.

The invention relates to the technical field of bearings, discloses a low-wear-rate bearing, and solves the problems that in a conventional linear bearing, balls moving through a curve need to overcome the reverse acting force of balls in another straight way while being stressed to change the direction, the resultant force causes the abrasion of the balls in the curve to be aggravated, and noise is generated. One side of the elastic rubber belt is pressed on the surface of the ball making contact with the elastic rubber belt, the retainer moves on the bearing rod, so that the rubber wheel rolls on the bearing rod, and the rubber wheel drives the elastic rubber belt to move through the driving assembly and the belt wheel, so that the elastic rubber belt moves in the moving direction of the ball in an accelerated mode. In this way, the balls pushed by the elastic rubber belt cannot generate reverse acting force on the balls advancing in the curve, the pressure borne by the balls when the balls pass through the curve is reduced, and meanwhile the abrasion and noise conditions of the balls are reduced.

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.

An electrically conductive assembly prevents current flow through the raceways of a bearing rotatably coupling a shaft with an outer member, such that the shaft or outer member is rotatable about a central axis, the outer member having an exterior mounting surface spaced radially outwardly from the bore. The conductive assembly includes an annular base plate formed of a conductive material and having a main body entirely encircling the centerline and two or more integral mounting lugs extending radially outwardly from the main body and connectable with the mounting surface of the outer member to secure the conductive assembly to the outer member. An annular inner conductor is connected with the base plate and has an inner radial end engageable with the shaft such that an electrically conductive path extends between the shaft and the outer member through the inner conductor and the base plate.

A lubrication test assembly includes a housing and a shaft. The housing includes a first body portion and a second body portion. The first body portion and the second body portion form a bearing cavity. The first body portion and the second body portion form a first housing opening and a second housing opening of the bearing cavity. The first housing opening and the second housing opening are disposed at an axis. The first body portion and the second body portion form a plurality of axially distributed lubricant separation walls. The axially distributed lubricant separation walls form and separate a plurality of lubricant channels within the bearing cavity. The first body portion forms a plurality of outlets with each outlet of the plurality of outlets disposed at a respective lubricant channel of the plurality of lubricant channels. The shaft is disposed in the bearing cavity and configured for rotation about the axis.

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.