863results about "Shaft assembly" patented technology

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 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.

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.

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 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 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.

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.

The invention provides a joint bearing fixing and limiting structure, and aims to overcome the defects caused by a joint bearing and connecting rod fixing and limiting mode in the prior art. The invention relates to the technical field of gas turbines, which is characterized in that a check ring similar to a groove in shape is mounted in a connecting rod clamping groove in a manner of locally grooving a connecting rod, then the check ring is rotated through a process hole in the check ring, so that a protruding part of the check ring is screwed into the lower part of a convex shoulder of the connecting rod, and then the circumferential position of the check ring is fixed through a screw or a pin; therefore, the knuckle bearing is fixed, the axial position of the knuckle bearing is limited, the knuckle bearing is firmly installed in the connecting rod, and therefore the structure can bear large loads and has good stability and reliability.

A roller flange for mounting on an end face of a cylindrical or drum-shaped roller comprises a substantially annular plastic body, a bearing and a metallic ring surrounding the bearing. The ring and the bearing are at least partially embedded in the plastic body. The ring has elements for force transmission, which are positioned distributed at or on a surface of the plastic body. The elements for force transmission comprise at least one locking means for transmitting an axial force between the roller and the roller flange, and at least one pin for transmitting a radial force between the roller and the roller flange.

Disclosed is a bearing system (34, 72, 100) for a bicycle (1) comprising a bicycle frame (2), wherein the bearing system (34, 72, 100) forms a rotary joint of a wheel suspension and has at least one inner ring (36, 84, 102) and at least one outer ring (38, 76, 108) comprising a bearing element (40, 80, 82) arranged therebetween. According to the invention, the inner ring (36, 84, 102) forms a pre-assembled assembly together with the outer ring (38, 76, 108) and the bearing element (40, 80, 82). Also disclosed is a bicycle (1) comprising such a bearing system (34, 72, 100).

The electromagnetic bearing rotating part comprises a target shaft sleeve, a magnetic steel shaft sleeve assembly and an auxiliary bearing shaft sleeve which are sequentially installed on a rotating shaft, and the assembling tool comprises a tool shaft sleeve, an extrusion assembly and a driving part. The tool shaft sleeve can be arranged on the rotating shaft in a sleeving mode and abut against the target shaft sleeve, at least part of the extrusion assembly can be arranged on the rotating shaft in a sleeving mode and abut against the magnetic steel shaft sleeve assembly or the auxiliary bearing shaft sleeve, and the driving part is used for applying axial pressure to the tool shaft sleeve and / or the extrusion assembly. According to the assembly tool, the problem of assembly defects occurring in the hot jacket cooling process of the electromagnetic bearing rotating part is solved, it can be ensured that the relative positions of the electromagnetic bearing rotating part and the rotating shaft are kept unchanged, the assembly precision is improved, it can be ensured that silicon steel sheets are always tightly laminated, and therefore the performance and reliability of an electromagnetic bearing are ensured.

Disclosed herein includes a quick-release tubular seal including a tube having a first end and a second end. The quick-release tubular seal also includes first seal assembly configured to selectively seal against the first end of the tube and a second seal assembly configured to selectively seal against the second end of the tube. Additionally, the quick-release tubular seal includes a cam disposed on the first seal assembly, the cam being operable between a first position and a second position. The quick-release tubular seal includes a shaft mechanically coupled to the cam, the first seal assembly, and the second seal assembly, the shaft configured to actuate both the first seal assembly to seal against the first end of the tube and actuate the second seal assembly to seal against the second end of the tube when the cam is actuated from the first position to the second position.

The invention relates to the field of rolling bearing manufacturing, in particular to an assembly bearing and a manufacturing process thereof. An assembly bearing comprises an outer ring, an inner ring is arranged on the inner side of the outer ring, annular grooves are formed in the inner periphery of the outer ring and the outer periphery of the inner ring, a plurality of rolling beads are arranged between the outer ring and the inner ring and arranged in the annular grooves in the outer ring and the inner ring, retainers are arranged on the upper sides and the lower sides of the rolling beads, and the retainers are arranged in the annular grooves in the outer ring and the inner ring. A plurality of arc-shaped grooves corresponding to the rolling beads are formed in the retainer, and the rolling beads are inserted into the corresponding arc-shaped grooves. A manufacturing process of the assembly bearing manufacturing device for manufacturing the bearing comprises the following steps that S1, an outer ring is clamped between the two arc plates; s2, the inner ring is placed on the upper side of the tray, and at the moment, the inner ring is located on the inner side of the outer ring; and S3, the inner ring is placed at the eccentric position of the outer ring, the gap between one side of the inner ring and one side of the outer ring is enlarged at the moment, and the multiple rolling balls are placed between the inner ring and the outer ring at the moment.

The invention relates to the technical field of bearing assembly, in particular to a double-row deep groove ball bearing fitting mechanism which comprises a workbench, a rotary disc rotationally installed on the workbench, a plurality of bearing tools arranged on the rotary disc, a positioning device used for circumferentially positioning the rotary disc, a first ball discharging device and a second ball discharging device, and the first ball discharging device and the second ball discharging device are arranged on the workbench. An inner ring feeding station, an outer ring feeding station, a first ball discharging station, a second ball discharging station and a material taking station are sequentially arranged on the rotating disc in the rotating direction, the number of the bearing tools is the same as that of the stations, and the first ball discharging device and the second ball discharging device are arranged on the first ball discharging station and the second ball discharging station respectively. The bearing tool comprises an outer ring positioning assembly used for radially positioning the bearing outer ring and a roller limiting protrusion used for limiting a filled roller, and when the bearing inner ring is placed on the bearing tool, the bearing inner ring can move to form a filler gap with the bearing outer ring. The double-row deep groove ball bearing sleeve assembling machine has the advantage that automatic sleeve assembling of double-row deep groove ball bearings is achieved.

A rolling bearing is provided which includes a cage (3) including two annular members (11) each including (i) pocket walls (9) each having a recess, and (ii) connection plates (10) circumferentially alternating with the pocket walls (9), and each coupling together corresponding ones of the pocket walls (9), the two annular members (11) being axially opposed to each other such that pockets (2) are circumferentially defined by the recesses of the pocket walls (9) of the two annular members (11); an inner ring (5) having an inner ring raceway surface (4) on an outer peripheral surface of the inner ring (5); an outer ring (7) disposed on an outer peripheral side of the inner ring (5), the outer ring (7) having an outer ring raceway surface (6) on an inner peripheral surface of the outer ring (7); and balls (8) interposed between the inner ring (5) and the outer ring (7), the balls (8) being retained in the respective pockets (2), which are defined in the cage (3), wherein spherical portions (17) are formed on the respective pocket walls (9) of the two annular members (11), the spherical portions (17) being out of contact with the balls (8) in a state where the balls (8) are in abutment with circumferential ends of the pockets (2).

A rolling bearing, in particular a ball bearing, is in the form of two bearing rings that are mounted so as to be rotatable relative to each other about an axis. The roller bearing includes an inner ring and an outer ring which each form a guide portion of a guide. The guide portion surrounds the axis with the portion formed by the inner ring is radially opposite the portion formed by the outer ring. In the guide, rolling bodies are distributed around the axis and rest on the two guide portions. When the bearing rings rotate, the rolling bodies roll on the two guide portions. At least one of the rings has a slide ring as the guide portion and a stabilising ring on the slide ring. The slide ring and the stabilising ring are produced from first and second plastics materials, respectively. The first plastics material is softer than the second plastics material.

The casing (10) of a support assembly for food applications has a housing portion (20) having a through-seat (25) within which a bearing unit is seated. The casing has a flange portion (30) for fixing the casing to a machine. The flange portion has a base surface (35) and at least two through-holes (32) for housing elements for fixing the casing to the machine. The casing has at least two metal bushings (40), equal in number to the number of through-holes, housed stably inside respective through-holes and coaxial with them. The casing has at least two spacers (50), equal in number to the number of through-holes, applied on the base surface of the flange portion opposite the respective through-holes. The casing has at least two inserts (60), equal in number to the number of spacers, and housed with interference inside the respective metal bushings and inside the respective spacers.

A slide bearing arrangement includes an inner ring element, an outer ring element, and at least one slide bearing element, which is arranged between the inner ring element and the outer ring element. The slide bearing element includes at least two slide bearing pads, wherein the individual slide bearing pads each have a bearing surface that is cambered, viewed in an axial direction, and wherein an apex of the bearing surface has the largest diameter of the bearing surface.

Disclosed is an axle (1) for supporting at least one bearing component (2, 4), wherein: the at least one bearing component is arranged circumferentially around the axle; the axle system consists of at least two axle segments (6, 8) arranged behind one another in the axial direction; at least one of the two axle segments has an axial through-bore (10) and the other of the two axle segments has an axial blind bore or an axial through-bore (12); the at least two axle segments are coupled to one another by means of a bolt (14) arranged in the axial through-bore and the axial blind bore or in the axial through-bore; each of the at least two axle segments has a circumferentially arranged stop element (36, 38); the at least one bearing component is arranged between the stop elements; and the bolt is designed to exert a preload on the at least one bearing component via the stop elements.

The invention relates to a valve device for installing on the outlet of a sanitary fitting, comprising a sleeve-shaped valve part (1) for securing to the outlet (13) of the sanitary fitting, said valve part comprising a blocking element (4) which is movably arranged in the interior of the valve part (1) and which can be moved from a closed position for an in-flowing liquid flow to an open position for conducting the liquid flow by means of a cam (10) that is secured to a shaft (3) of an actuation element (9), wherein the shaft (3) crosses the valve part (1) and is rotatably mounted on the valve part (1) by means of the actuation element (9). According to the invention, the valve part (1) has two diametrically opposed and axially running slots (8), and a sleeve part (2) is provided which comprises two diametrically opposed, radially protruding webs (7) that run in the axial direction of the sleeve part (1) and can be inserted into the slots (8) of the valve part (1) in a precisely fitting manner. The valve part (1) and the inserted sleeve part (2) leave open radial openings which form the rotary bearing of the shaft (3). In this manner, a mechanically simple device is facilitated for saving water.

The invention relates to an adjusting device (10) for a vehicle part that can be moved relative to a body of a vehicle, in particular a door or a hood, comprising a housing (24) with a carriage device (26), the carriage device (26) being displaceable between a first position and a second position, an adjusting element (28), which is displaceable between a first position and a second position, the invention relates to a carriage device (26) for a vehicle, comprising an adjusting element (52) which is connected at one end to the carriage device (26) and which has, at a free end opposite the carriage device (26), an articulation opening (52) which is designed to be arranged on a body of the vehicle or on a vehicle part which can be moved relative to the body, the articulation opening (52) having an articulation opening insert (60) which is inserted into the articulation opening (52). The hinge hole insert surrounds a hinge hole (52) of the adjusting element (28) on the inner side and comprises a bolt receptacle (60A) for a hinge bolt (54).

An articulated coupling arrangement for a three-point power lift of an agricultural tractor includes a lifting arm articulated to be raised and lowered by a lifting mechanism, a lifting spindle connected to a free end of the lifting arm in a bearing position for pivoting actuation of a lower link having a coupling arrangement for reversible attachment of an attachment interface, first and second opposing fork cheeks with receiving bores flush along a joint axis being formed on the lifting spindle, through which receiving bores a retaining bolt is guided, and a bearing ball guided on the retaining bolt being supported on a stop formed on the retaining bolt such that the bearing ball can be braced by a fastening element engaging the retaining bolt with respect to the first fork cheek in a rotationally conjoint manner in a predefined coupling position between the first and second fork cheeks.

A cage segment (1) for a multi-part rolling bearing cage (30), in particular for large rolling bearings, is disclosed, characterized in that in a preliminary stage of production the cage segment (1) is available as a kit consisting of one or more flat sheet metal components (4), wherein the sheet metal components (4) are designed to be assembled to form the cage segment (1), wherein the cage segment (1) in its assembled form has at least one joining point (6) at which two ends of the sheet metal components (4) are joined to form a pocket (2) suitable for receiving at least one rolling element (32).

An assembly of a gas turbine engine, having: a shaft having a shaft outer surface and a shaft inner surface, the shaft axially extends from a shaft forward end to a shaft aft end, the shaft forward end defines axially extending shaft slots that are circumferentially spaced apart from each other; a bearing having a first race, the first race is ring shaped with a first race outer surface and a first race inner surface, the first race is sized so the first race inner surface fits around the shaft outer surface, the first race extends axially from a first race forward end to a first race aft end, the first race forward end defines radially inwardly extending bosses that are circumferentially spaced apart from each other and aligned with ones of the axially extending slots of the shaft forward end, rotationally fixing the first race against the shaft.