42results about "Bearing components" patented technology

A bushing includes an interior surface, an exterior surface, a first end, and a second end. An end face forms at least part of each of the first end and the second end. At leaset one of the exterior surface and the end face includes a sealing surface formed at least in part of a coating including a material having a hardness level greater than about 1200 Knoop. The sealing surface has a thickness greater than about 35 microns and an average roughness (Ra) less than about 0.25 micron. In one embodiment, the bushing may be used on an endless track for a track-type work machine.

The present invention relates to a connecting rod assembly and method of manufacturing same. The method includes defining a small end of a connecting rod having a terminal end and defining a pin bore extending through the small end. A pair of channels is forged on opposite sides of the small end, such that each of the channels is substantially perpendicular to the pin bore. A bushing having a contact surface including at least partially annular grooves and opposed distal ends is subsequently formed and installed into the pin bore of the small end. Following installation of the bushing, the connecting rod is machined to reduce the width of the small end between each channel and the terminal end to where at least a portion of the grooves are disposed along the distal ends to reduce the need to deburr the area adjacent the pin bore.

The invention discloses a bearing beneficial to oil injection lubrication and convenient to disassemble and assemble. The bearing comprises a bearing body, an oil storage groove, first fixed holes, a first groove, a clamping groove, a second groove, an oil outlet hole, a rubber plug, an oil inlet hole, oil suction cotton, fixed grooves, second fixed holes, third fixed holes, H-shaped pins, a fixed disc and a fourth fixed hole. The bearing body is composed of an outer ring, a fixed ring, an inner ring and balls. The second groove is formed in the position of the center of the inner surface of the outer ring. One side of the second groove is connected with the oil storage groove through the oil outlet hole. The oil suction cotton is glued to one side of the oil outlet hole through strong glue. One side of the oil storage groove is connected with the outer surface of the outer ring through the oil inlet hole. The rubber plug is arranged at the position, close to the position of the oil inlet hole, of the outer surface of the outer ring. The fixed groove is formed in the interior of one side of the outer ring. By means of the bearing beneficial to oil injection lubrication and convenient to disassemble and assemble, self-service lubrication can be effectively achieved, and meanwhile the bearing is convenient to detach.

A cage element 18 in which pillar element portions 17, 17 are made to project from a rim portion 11 is manufactured by performing a punching process and a bending process on a metal plate. With rim portions 11, 11 of a pair of cage elements 18, 18 disposed concentrically with each other and phases in a circumferential direction of the respective pillar element portions 17, 17 made to coincide with each other, distal ends of the respective pillar element portions 17, 17 are butted to each other to be welded together, whereby respective pillar portions are made. The roundness of the respective rim portions 11, 11 and the shape accuracy and interval accuracy of these respective pillar portions are improved without performing troublesome processes, so as to solve the problem.

The invention discloses a carbon-graphite keeper rolling bearing used for performing protection and antifriction treatment and a manufacturing method of the carbon-graphite keeper rolling bearing used for performing the protection and the antifriction treatment. The carbon-graphite keeper rolling bearing used for performing the protection and the antifriction treatment comprises a bearing outer ring, a bearing inner ring, a rolling body embedded between an outer ring roller path and an inner ring roller path and a carbon-graphite keeper separating the rolling body in the peripheral direction. According to the invention, the carbon-graphite keeper rolling bearing performs surface treatment with the protection and the antifriction as the main purposes on the steel bearing outer ring, the steel bearing inner ring and the rolling body to form a protective antifriction layer on the surface, so that the corrosion resistant property of the steel parts under an oilless state is promoted, and the lubricating capability of the steel parts is improved; during the initial operation of the bearing and before a carbon-graphite transfer lubricant film is fully formed inside the bearing, the work surfaces of the steel parts cannot suffers corrosion due to poor lubrication under the protection of the protective antifriction layer, so that the operating reliability and the service life of the carbon-graphite keeper rolling bearing are greatly improved, therefore, the carbon-graphite keeper rolling bearing has important engineering application value.

The electrically motorized pump has a low energy loss because it uses of the shaft and the sleeve made from synthetic resin composition obtained by uniformly dispersing fine powder of RBC or CRBC in a resin. The typical process for the production of a synthetic resin composition for making the sleeve bearing for the pump for use in water includes kneading with a resin the fine powder of RBC or CRBC at a temperature in the neighborhood of the melting point of the resin, and thereby uniformly dispersing the fine powder of RBC or CRBC in the resin. Fibers, such as glass fibers, may be blended with the fine powder of RBC or CRBC and the resin.

A grease composition includes a base oil and a thickener. The base oil includes a hydrocarbon-based synthetic oil at 40 mass % or more, and a component A at 20 mass % to 70 mass %, the component A having a kinematic viscosity of 70 mm²/s or less at 40 degrees C. A kinematic viscosity of the base oil is in a range from 200 mm²/s to 2000 mm²/s at 40 degrees C. A worked penetration of the grease composition is in a range from 220 to 350.

The invention belongs to the field of a transmission device and particularly relates to a drum-gear angular flexible coupling. The coupling provided by the invention comprises driving and driven terminal half-couplings, the half-coupling of the drum-gear coupling, an angular sensor, a diaphragm group and two butt disks, wherein the half-coupling of the drum-gear coupling is sheathed on the driven terminal half-coupling; the half-coupling of the drum-gear coupling and the driven terminal half-coupling are mutually meshed through internal and external gears; and one side of the angular sensor is sequentially connected with the diaphragm group, the butt disk I and the driving terminal half-coupling from interior to exterior, and the other side of the angular sensor is sequentially connected with the butt disk II, the half-coupling of the drum-gear coupling and the driven terminal half-coupling from interior to exterior. The coupling provided by the invention can automatically adjust, control and compensate the axial movement and angular offset of a driving machine and a driven machine, thereby enabling the wear degree of the gear surface to be reduced to the minimum; and the vibration caused by the transmission of the driving machine and the driven machine can be reduced, the noise can be lowered, and the service life of a drum gear can be prolonged, thereby achieving the functions of saving the energy and protecting the environment.

A hydrodynamic bearing device capable of inhibiting leakage of a working fluid to an outside of a bearing and preventing reduction in radial bearing rigidity, and capable of keeping a gap between a thrust bearing and a radial bearing favorable and rotating stably. The hydrodynamic bearing device includes a shaft relatively rotatably inserted into a bearing hole of a sleeve, a radial bearing surface having dynamic pressure generating grooves formed on at least one of an outer peripheral surface of the shaft and an inner peripheral surface of the sleeve, and a gap filled with a working fluid between the shaft and the sleeve. The shaft is made of high manganese chrome steel or stainless steel, and the sleeve is entirely made of sintered metal of metal particles including at least 60% by weight of iron or copper. Resin, metal or water glass is impregnated in pores on a surface of the sintered metal and cured. Thereby, leakage of the working fluid to the outside of the bearing from the sleeve can be inhibited, and reduction in the pressure inside the bearing can be prevented.

The invention relates to a thrust bearing, which is characterized by comprising 6 to 24 thrust bearing pad groups; each thrust bearing pad group comprises thrust bearing pads and a supporting pad; the independent thrust bearing pad groups are evenly distributed on a same ring-shaped plane; a supporting block is arranged between the thrust bearing pads and the supporting pad; the lower-part end surface of the supporting pad is a spherical cambered surface; and the radial central line of each supporting block lags behind the geometric central line of the corresponding thrust bearing pads. The thrust bearing has the advantages that as a plurality of groups of thrust bearing pads and the supporting block of the spherical cambered surface are adopted, the stress surfaces of the thrust bearings are even; stop pins effectively control the radial swinging width of the thrust bearing pads; as the radial central line of the supporting block lags behind the geometric central line of the thrust bearing pads, and due to wedge-shaped lubricating oil inlets, oil films are easily formed on the surface of the thrust bearing pads so as to reduce the temperature of touching surfaces; both the supporting block and the stop pins can prevent the thrust bearing pads and the supporting pad from being deviated; among a plurality of independent thrust bearing pads, individual thrust bearing pad can be replaced separately, and therefore the maintenance cost is reduced.

The invention discloses a double-half outer ring joint bearing, which is characterized in that in a previous single-cutting pressed-in method, the joint bearing divides the outer ring into two parts through linear cutting along an axial direction, while installing, the inner ring is assembled to the outer ring, and two half outer rings are connected through a screw. The double-half outer ring joint bearing has the beneficial effects that 1) the bearing assembling method is more convenient and faster than the previous bearing dismounting method; and 2)on the aspect of a material, power bearing is not required when the double-half outer ring joint bearing is installed, two outer rings are connected through the screw. Previous bearing is pressed in the outer ring from the inner ring along the axial direction, so that the outer ring is expanded, and the deformation even fragmentation of the bearing is generated.

It is a cage that is formed of a resin and that holds balls serving as rolling elements. The cage includes an annular base portion, and a plurality of claw portions that are formed to be arranged at constant intervals on the circumference of the base portion and to protrude therefrom. A pocket for accommodating the ball is formed between each pair of adjacent ones of the claw portions. In the resin cage for a ball bearing, thinning recesses are formed in end parts 11a of the claw portions and a rear surface of the base portion, respectively.

The invention discloses a rolling knuckle bearing. Inner surfaces of bearing outer rings and outer surfaces of bearing inner rings are spherical surfaces with coincided sphere centers; sphere sockets are distributed on the inner surfaces of the bearing outer rings; spherical rolling bodies are arranged in the sphere sockets; the inner surface of each bearing outer ring is provided with a circle of sphere socket on different annular circumferential faces; the circles of sphere sockets are uniformly distributed along the circumferential direction at intervals; the circles of sphere sockets on the different annular circumferential faces are symmetrically distributed by taking the bearing outer rings as centers along the axial directions of the bearing outer rings, so that the sphere sockets are uniformly distributed on the axial direction and the circumferential direction. According to the rolling knuckle bearing provided by the invention, three-axis space rotation can be realized; sphere parts enables rolling friction to replace sliding friction, so that the friction factor is reduced, and the fatigue life is prolonged; and the bearing capacity can be increased through bearing by multiple spheres, and the rolling knuckle bearing can bear radial load and axial load.

A rigid structure comprising a lubricant, an absorbent material, and a reinforcing material. The reinforcing material may be comprised of a fibrous and/or a plastic material. The absorbent material is comprised of a fibrous material. The lubricity and wear rate of the rigid structure can be controlled by changing the amount of lubricant contained in the rigid structure in relation to the amount of reinforcing and/or absorbent material contained in the rigid structure. In some embodiments, the lubricity and wear rate of the rigid structure can also be controlled by changing the amount of reinforcing material in relation to the amount of absorbent material.

The invention relates to a bearing sealing structure, in particular to a bearing sealing structure capable of bearing overturning moments, and belongs to the technical field of bearing sealing structures. The bearing sealing structure comprises a bearing inner ring, a bearing outer ring, balls and a dustproof cover, wherein the outer circle end face of the dustproof cover is provided with an uppersealing ring, the inner side of the bearing outer ring is provided with an outer ring dustproof groove, and the upper sealing ring of the outer circle of the dustproof cover is clamped in the outer ring dustproof groove of the bearing outer ring; the inner circle end face of the dustproof cover is provided with a lower sealing ring extending vertically downward, the corner, facing the lower sealing ring of the dustproof cover, of the bearing inner ring is provided with an inner ring dustproof inclined surface, the lower sealing ring of the dustproof cover is tightly pressed on the inner ringdustproof inclined surface, and thus the compression and sealing of the inner end face of the dustproof cover and the bearing inner ring is realized. The bearing sealing structure has a simple, compact and reasonable structure, the occurrence of sealing gaps caused by overturning moment of the bearing can be avoided, bearing sealing performance is enhanced, grease leakage and foreign matter intrusion are prevented, and the service life of the bearing is prolonged.

The invention discloses a steel ball mounting machine with a bearing holding frame. The steel ball mounting machine comprises a holding frame rotating device used for bearing the holding frame and driving the holding frame to rotate, at least one ball guide hard tube and a steel ball supply device, wherein a ball outlet in the tail end of the ball guide hard tube is opposite to the edge of the holding frame; the ball guide hard tube has a gradient for automatically rolling a steel ball; when a ball pocket of the holding frame rotates to the ball outlet, the steel ball automatically drops into the ball pocket of the holding frame; the tail end of the ball guide hard tube is sequentially divided into a front tube wall region, a tube center and a rear tube wall region in the rotation direction of the holding frame; the rear tube wall region is equipped with a convex extrusion part relative to the front tube wall region; when the ball pocket with the steel ball continuously rotates towards the rear tube wall region from the tube center, the convex extrusion part provides pressure for completely pressing the steel ball into the ball pocket; and the steel ball supply device is used for supplying the steel ball into the ball guide hard tube. In this way, the steel ball mounting machine has the characteristics of low manufacturing cost, simple operation, light labor intensity, high production efficiency and a wide product applicable range.

The invention discloses an electric corrosion preventing bearing, and relates to a bearing. Electric corrosion is easily produced due to potential difference between an inner ring and an outer ring of a rotating bearing, so the current flowing surface of the bearing is concavo-convex, and the service life of the bearing is shortened. The electric corrosion preventing bearing comprises an inner ring, an outer ring and a rolling body positioned between the inner ring and the outer ring. The electric corrosion preventing bearing is characterized in that: a conductive electric ring is arranged between the outer ring and the inner ring, the elastic ring is contacted with the outer ring and the inner ring, and the bearing is provided with a limiting part for positioning the elastic ring. The elastic ring keeps a contact state with the outer ring and the inner ring by means of elasticity; the bearing has simple structure and is easy to manufacture, so the bearing has low cost and is suitable for large-batch production; and the bearing has good reliability, and the voltage difference between the inner ring and the outer ring of the bearing is reduced to zero so that the service life of the bearing is prolonged.

The invention particularly relates to a semiconductor radiator and a processing method thereof. The processing method of the semiconductor radiator includes the steps of (1), raw material processing;(2), heat treatment; (3), preforming; (4), secondary heat treatment; and (5), rotary forging. The radiator processing method has the advantages of lower processing temperature, no need of mass cutting, materials saving and a larger radiating area of a radiating column of the processed radiator.

On a facing surface (12a) of a pad (12) that faces a rotation shaft, an oil supply unit (24) is provided in an end region downstream of the rotation shaft in the rotation direction, and the oil supply unit (24) is formed along part of an isopleth of the pressure distribution on the facing surface (12a) generated by a lubricant being caught between the rotation shaft and the facing surface (12a), said part of the isopleth being downstream, in the rotation direction, of the pressure maximum of the pressure distribution.

The utility model discloses an automobile suspension bushing and a suspension. The automobile suspension bushing comprises an outer pipe, an outer rubber body, an inner rubber body and an inner pipe.An adjusting pipe is arranged between the outer rubber body and the inner rubber body, and limiting structures limiting each other are arranged on the section pipe and the outer pipe to limit the axial rotation amount of the inner pipe relative to the outer pipe. Under the condition that the vehicle makes a small turn or jolts slightly, the requirement of the vehicle for the suspension bushing ismet through the inner pipe, the adjusting pipe and the inner rubber body with the large rigidity. Under the condition of large turning or strong bumping of a vehicle, the shaft pin inner pipe penetrating through the inner pipe, the inner rubber body and the adjusting pipe rotate firstly, and the outer rubber body is driven to form a large bush after the shaft pin inner pipe, the inner rubber bodyand the adjusting pipe rotate to the adjusting pipe upper limiting structure and the outer pipe upper limiting structure to be combined in a protruding mode. Therefore, the large axial pull-out forcecan be met. Meanwhile, the large radial force requirement can be met, and the rigidity requirement and the comfort requirement are met.

The invention discloses a bearing oiling auxiliary device which comprises a base, wherein a conveyor belt for conveying a bearing is arranged on the upper end face of the base; an auxiliary mechanismfor assisting oiling is further arranged on the base; a support block is arranged on the upper side of the conveyor belt; a rotary groove is formed in the support block, the opening of the rotary groove is leftwards, and the upper end wall and the lower end wall of the rotary groove communicate with the external part; a rotary shaft is rotatably connected between the front end wall and the rear end wall of the rotary groove; a sliding rod is fixedly connected with the rear end wall of the rotary groove through a torsion spring; and a rotary plate is further fixedly connected onto the rotary shaft, and the left end of the rotary plate is positioned at the external part. The bearing oiling auxiliary device is simple in structure and convenient and fast in operation, automatically finishes the process of taking, placing and oiling through mechanical driving to reduce the step of manual operation, improve the working efficiency and lower the workload, and automatically finishes rotation ofinner and outer rings after oiling to uniformly apply lubricating oil between the inner and outer rings and improve the oiling quality.

The invention discloses an anticorrosion processing method for a rudder pintle bearing, and relates to the manufacturing technology field for matched devices for ships. In the method, oil removing processing of a rudder pintle bearing by utilization of an organic solvent is carried out, then high-pressure flushing and drying are carried out, sand-blast processing is carried out, thus the surface cleanliness of the rudder pintle bearing reaches the Sa3 grade and the surface roughness reaches 10-30micrometers. Dip-coating in a nano-high-molecular alloy paint is carried out within 30min, flash-off for 25-30 min is carried out, then the processed rudder pintle bearing is put into a furnace and dried for 20-30min at a drying temperature of 250-280 DEG C. After drying, spraying of epoxy anticorrosion nano-paint is carried out, air drying is carried out at the room temperature for 12-24h, and the coating dried film thickness is 80-100micrometers. Then spraying of two layers of a siloxane-modified acrylic acid polyurethane paint is carried out, the spraying interval between two layers is less than 1h, each coating dried film thickness is 60-80micrometers, and drying is carried out at the room temperature for 5-7 days after spraying is finished. The anticorrosion processing method solves the problem of poor anticorrosion performance of a present rudder pintle bearing.

The invention discloses a four-row cylindrical roller bearing special for a steel rolling mill. The four-row cylindrical roller bearing is characterized by consisting of an outer ring, two holders, four rows of cylindrical rollers, an inner ring and an oil inlet hole, wherein the outer ring and the inner ring are provided with a raceway respectively; the cylindrical rollers are positioned between the two raceways, and roll between tracks of the outer ring and the inner ring; the holders are arranged between the inner ring and the outer ring; the oil inlet hole is formed in the end face of the outer ring; and two rows of cylindrical rollers are arranged in each holder.

The invention discloses a forging technology of a high-precision forklift bearing ring. The forging technology comprises the following steps: blanking, heating, forging, planishing, broaching and blasting shots. During heating, temperature is raised to 28-30DEG C/min. During forging, temperature is kept at 1150-1170DEG C for 10-12 minutes. During planishing, the planishing reduction quantity is 18-20% of the width of the ring. During broaching, the broaching ratio is 1.3-1.5. Through the mode, the forging technology can improve forging quality and prolong the service life of the bearing ring, and at the same time, increases the utilizing rate of metal materials, saves raw materials and reduces the cost.

The invention discloses a miniature ball bushing guide assembly in the technical field of ball bushing.The miniature ball bushing guide assembly comprises a guide column, a guide sleeve, a bushing and a ball, the guide sleeve is provided with an upper annular table and a lower annular table, the upper annular table is provided with an oil storage strip and an oil outlet structure, and the lower annular table is provided with an oil return cavity and a first oil return hole.By moving the pressing table relative to the spring plate, when the pressing table makes contact with the spring plate and presses the spring plate downwards, the spring plate enables the pressing plate to move downwards through the pressing shaft, the oil storage strip is compressed, a part of oil in the oil storage strip is squeezed out, discharged through the oil outlet and falls onto the lining, so that the balls are lubricated, friction and the like between the balls and the guide column are further reduced, redundant oil falls onto the lower annular table, oil enters the oil return cavity to be recycled through the oil return hole, oil waste and the like are avoided, and oil ports and oil plugs can be arranged on the side walls of the oil storage cavity and the oil return cavity so that oil can be conveniently added or discharged.

The invention discloses a load-bias free four row roller bearing for a rolling mill, which is provided with double outer rings (1) and an inner ring (2); and two groups of retainers (6) are arranged between the outer rings (1) and the inner ring (2), and each retainer (6) is evenly distributed with two rows of cylindrical rollers along the circumferential direction. The four row roller bearing is characterized in that two end faces of the outer rings (1) are provided with side retainer rings (11). The two end faces of the outer rings are provided with the side retainer rings, so that the radial load and axial load of the bearing are separately borne, and load-bias does not exist; and the length of two rows of cylindrical rollers is increased, so that the contact area of a raceway is increased, the radial load bearing capacity is increased correspondingly, and the service life is prolonged.

The invention provides a vacuum oil injection device and method for an oil bearing, and relates to the technical field of oil bearing production. According to the vacuum oil injection device for the oil bearing, a tank body is arranged on the horizontal part of the upper part of a rack, electric heating equipment is arranged on the lower inner wall of the tank body, an upper cover is arranged on the upper top face of the tank body, a sealing ring is arranged on the inner side of the upper top face of the tank body, and a thermometer, a motor and a pressure gauge are arranged on the upper top face of the upper cover; and the output end of the motor is fixedly connected with a sliding plate, the lower bottom face of the sliding plate is fixedly connected with a connecting rod, and the lower end of the connecting rod is fixedly connected with a containing cylinder. According to the vacuum oil injection device for the oil bearing provided by the invention, heating is carried out in cooperation with the action of the electric heating equipment during vacuumizing, and through the cooling action of the electric heating equipment and a liquid nitrogen tank, lubricating oil gradually enters under the action of cold and hot deformation of the oil bearing and also receives the action of rotation and vibration in the process, so that compared with the traditional technology, the oil quantity is increased by 15 percent to 18 percent, and the service life is also prolonged by 55 percent to 62 percent.