32results about How to "Reduced internal wear" patented technology

An industrial robot comprising a manipulator with a control system, where the manipulator comprises a hollow, first robot unit (9) and a second robot unit (10) rotatable around an axle (A). The first robot unit (9) and the second robot unit (10) are arranged for rotation and/or bending in relation to each other and the second robot unit (10 includes a robot tool (11). Cables (12) are drawn through the first robot unit (9) and arranged coaxially and detachably connected with a first end (13), to the second robot unit (10), via a connection device. The connection device comprises a body (14), fixed to the first end (13) of the cables in at least one wire and the body (14) is arranged with sockets (19) for connection of power supply to the robot tool (11).

The invention discloses a material dispersing device for a vertical grinder. The material dispersing device comprises a positive cone ring and a negative cone ring which are arranged in an annular space between a grinder shell of the vertical grinder and a grinding barrel of the vertical grinder; and the positive cone ring and the negative cone ring are distributed axially at a certain interval along the grinder shell. Due to the adoption of the material dispersing device for the vertical grinder, the falling time of a ground material ground with a roller mill in the falling process can be prolonged, the material is fully dispersed in the rolling processes of the positive cone ring and the negative cone ring and can be repeatedly impacted, dispersed and separated by rising air flow, the powder selecting efficiency is increased, and the yield of the grinder is remarkably increased. The invention further discloses a material dispersing device for a vertical grinder. The material dispersing device comprises dispersing plates obliquely arranged in an annular space between the grinder shell and the grinding barrel; a plurality of layers of dispersing plates are arranged at intervals along the axial direction of the grinder shell; and each layer of dispersing plates consists of a plurality of dispersing plates which are arranged at intervals along the circumference of the grinder shell.

A device and method for securing a sleeve (for sacrificial wear and/or electrical isolation) inside a conduit. In one embodiment, the retention device sits adjacent one end of the sleeve and comprises a ring having a protuberance or lip extending parallel to and against the end of the sleeve, thus pressing the end of the sleeve against the inner surface of the conduit. This has the advantage, in situations where fluids are flowing through the conduit, of reducing the risk of fluids moving behind the sleeve and collapsing it inwardly.

The invention discloses a dragging steel belt which comprises a coating layer and multiple steel wire ropes arranged in the middle of the coating layer in a spaced manner. The multiple steel wire ropes are arranged on the same layer; each two adjacent steel wire ropes are opposite in twisting directions; each steel wire rope is of a two-layer twisting structure formed by a center strand and multiple outer-layer strands; each steel wire rope and the corresponding center strand are the same in twisting directions; the outer-layer strands and the corresponding center stand are opposite in twisting directions; the coating layer is adhered to the surfaces of the steel wire ropes; an elastic material of the coating layer is immersed into gaps of the steel wire ropes; and the coating layer is ofa flat structure. According to the dragging steel belt provided by the invention, the steel wire ropes have better flexibility and elasticity and are connected into a whole through the coating layer,so that the requirements on a breaking force and the ductility can be met, the fatigue life capacity of the product is greatly improved, a leveling effect of the steel belt is ensured, and the dragging steel belt is simple in structure and easy to realize standardization and mass production.

The invention belongs to the field of water conservancy construction, in particular to an anti-wind-wave dredging pipe for water conservancy construction. The anti-wind-wave dredging pipe comprises apipe body and an annular floating body fixedly arranged outside the pipe body in a sleeving manner. The annular floating body is formed by a deformation bag and a fixed box. The inner side wall of thefixed box is in sealed sliding connection with two sliding rings. A limiting block is arranged between the two sliding rings and is fixedly connected to the inner side wall of the fixed box. A guidepipe is arranged above the limiting block and sequentially penetrates through the fixed box and the side wall of the deformation bag. Permanent magnet columns are fixedly connected to the sides, awayfrom each other, of the two sliding rings. Heteropolar attraction is achieved between the two permanent magnet columns. Through holes are formed in the side walls of the fixed box, and a whistle pipeis mounted in each through hole. According to the anti-wind-wave dredging pipe, the two permanent magnet columns are driven to move through transverse impact force of sea waves to the pipe body, workis converted into magnetic potential energy in the parallel direction of the pipe body, the impact influence of sea waves on the pipe body is reduced, and the service life of the dredging pipe is greatly prolonged.

The invention relates to a fire fighting device, and discloses an extrusion type indoor fire hydrant. The extrusion type indoor fire hydrant comprises a hydrant body with an inner cavity, and the outer wall of the hydrant body is connected with a base and a connecting base. A valve clack capable of opening and closing an input channel is hinged to a port of the end, close to the inner cavity of the hydrant body, of the input channel. The outer wall of the hydrant body is further connected with a sleeve, and the sleeve and the base are arranged on the two opposite sides of the hydrant body correspondingly. The end, located outside the hydrant body, of the sleeve is in threaded connection with an adjusting bolt. The adjusting bolt stretches into the sleeve, and the front end of the adjustingbolt is provided with a first extrusion plate, an adjusting spring and a second extrusion plate, all of which are sequentially connected. The front portion of the adjusting bolt is provided with a rotation clamping block, and the rotation clamping block is clamped in a containing groove of the first extrusion plate. The face, away from the adjusting spring, of the second extrusion plate is connected with a transmission rod, and the two ends of the transmission rod are hinged to the second extrusion plate and the valve clack correspondingly. The extrusion type indoor fire hydrant achieves thepurposes that before an ignition source is extinguished, the input channel can be rapidly connected, water outflow can be rapidly stopped after the ignition source is extinguished, inner abrasion of the fire hydrant is reduced, and the service life is prolonged.

A locking differential mechanism for supplying torque from a driveshaft to a pair of aligned output shafts including a pair of side gears, a central driver, and a pair of clutch members operatively coupled for rotation with the corresponding one of the pair of side gears. A cam assembly includes a pair of cam members. Each of the pair of cam members includes a plurality of camming teeth extending toward the corresponding teeth on the opposed cam member. Each of the cam members is movable from a first position where the cam teeth are disposed in meshing relationship with respect to each other when the pair of side gears are rotating at substantially the same speed and a second position spaced axially from the first position along the associated side gear so as to move an associated clutch member from its first position to its second position out of driven relationship with the central driver in response to a difference in rotational speed of the associated pair of side gears.

A gas-liquid two-phase flow atomizing nozzle includes a nozzle core, an outer sleeve and an atomizing body. An inner cavity of the nozzle core consists of an inlet tapered section, a jet flow section and an outlet diffusion section. The outlet diffusion section of the nozzle core is connected to an atomizing body mixing chamber. The jet flow section of the nozzle core is in communication with external atmosphere through a core air inlet hole, an air inlet buffering chamber and a sleeve air inlet hole.

The invention provides an oil cooling system and a car, and relates to the technical field of cars. The oil cooling system comprises a gearbox, an oil cooler and a thermostat, wherein the thermostat comprises a housing, a first oil inlet tube, a first oil outlet tube, a second oil inlet tube and a second oil outlet tube; one end of the first oil inlet tube and one end of the first oil outlet tubecommunicate with the inner cavity of the housing; the other end of the first oil inlet tube and the other end of the first oil outlet tube communicate with the gearbox; one end of the second oil inlettube and one end of the second oil outlet tube communicate with the inner cavity; the other end of the second oil inlet tube and the other end of the second oil outlet tube communicate with the gearbox; a moveable assembly is arranged in the inner cavity; when the oil temperature is lower than a preset value, the moving assembly moves for disconnecting the inner cavity from the second oil inlet tube; and when the oil temperature is higher than or equal to the preset value, the moving assembly moves for enabling the inner cavity to communicate with the second oil inlet tube. The oil cooling system can keep the oil temperature at the optimal using temperature for a long time, so that oil consumption of an engine can be reduced; and moreover, the inner part of the gearbox is reduced, so thatthe service life of the gearbox is prolonged.

The invention relates to a novel revolving cup bearing which comprises an outer ring. Retainers are arranged at the two ends inside the outer ring, the retainers are matched with balls, and the balls are located in annular grooves in a central spindle. The positions, close to the retainers, of the outer circles at the two ends of the outer ring are respectively provided with a first oil filling hole and a step, the first oil filling holes are sealed by oil filling chock plugs, the steps are formed by first steps and second steps, second oil filling holes are formed in the first steps, T-shaped concave grooves are formed in the adjacent positions of the first steps and the second steps in the second steps, oil filling rings are arranged in the first steps in a sleeved mode, T-shaped convex blocks are arranged on the edges of the oil filling rings, and the convex blocks are embedded into the T-shaped concave grooves. The novel revolving cup bearing is simple in structure, the bearing can be lubricated well, the service life of the bearing can be prolonged, and the production cost of enterprises can be lowered.

A magnetic roller for electrophotography comprises a foamed resin magnetic material. A method of producing a magnetic roller comprises the steps of providing magnetic filler, a resin binder and a foaming agent in a closed mold; activating the foaming agent in the closed mold; and removing the resulting formed roller from the mold.

The invention discloses a guard plate device for a train, the train and a rail transit system. The guard plate device comprises a guard plate assembly and a sliding assembly. The guard plate assemblycomprises a first guard plate, the first guard plate is located between two adjacent train bodies on the train, the sliding assembly comprises a sliding rail and a sliding piece which are matched in asliding mode, one of the sliding piece and the sliding rail is suitable for being directly or indirectly arranged on the train bodies, and the other one of the sliding piece and the sliding rail is arranged on the first guard plate. The guard plate device for the train is simple in structure, low in cost, capable of reducing abrasion and reliable in use.

The invention relates to fire-fighting equipment, and discloses a novel fire hydrant. A fire hose is arranged outside a hydrant body, the fire hose is connected with an internal water pipe, and a firehose connecting base and the hydrant body are provided with opening iron columns. A button is arranged above the hydrant body, a spring is arranged below the button, a groove is arranged below the spring, the groove is tightly connected with the groove above the water pipe, and thus an internal water pipe lower opening is connected with a fixed water pipe. The novel fire hydrant can realize the purposes of quick blocking and connecting a water source, and achieves the effects that a water outlet can be rapidly connected before an ignition source is extinguished, water can be rapidly blocked after the ignition source is extinguished, internal abrasion of the hydrant is reduced, and the service life is prolonged.

The invention discloses a boiler slag cooler and an installation method thereof.The left side of a barrel is an inlet end, the right side of the barrel is an outlet end, a tube bundle assembly is provided with a plurality of sets of inner cavities distributed in the barrel at equal intervals, the rightmost sides of all sets of finned tubes are jointly communicated with elbows, and the elbows are arranged in the inner cavities. The upper end of the elbow penetrates through an inner cavity of the barrel body and extends to the outer side to be communicated with the water collecting tank, a plurality of external water pipes are fixedly connected to the outer side of the barrel body, the spiral assembly is provided with a plurality of sets of inner cavities distributed in the barrel body at equal intervals, and the spiral assembly comprises a plurality of sets of different blades; according to the finned tube, the problem of a heating surface is effectively solved by increasing the diameter of the pipeline, increasing the number of the tube rows and changing the structure of the finned tube, meanwhile, the spiral pieces are replaced according to the actual condition of the barrel, and internal abrasion is further reduced; and the service life of the device is greatly prolonged.