13results about How to "Self-lubricating" patented technology

The utility model discloses a dynamic muscle nature's neck rehabilitation training brace relates to medical rehabilitation instrument technical field, and the utility model discloses a cape, and the both sides of cape outer surface and the both sides of back are all provided with servo motor and take off and put on the roll, and four servo motor output all are connected with worm, and four take off and put on the back of roll all are connected with worm wheel, and the top of cape is connected with head hoop through a plurality of ball head seat. The utility model discloses the setting of servo motor, worm, worm wheel, take off and put on the roll and first pull rope, and four servo motor outputs are driven four take off and put on the roll rotation respectively through four worms and four worm wheel meshing, thereby being convenient for to take off or put out to first pull rope, second pull rope, third pull rope and fourth pull rope, when first pull rope and second pull rope take off and third pull rope and fourth pull rope put out, make the head of patient to the right side of self inclination, do not need medical staff or family member manual traction patient head and make neck movement, and the operation is time -saving and labor -saving.

The utility model provides a jacquard's opening drive mechanism relates to textile machinery technical field. The utility model discloses a jacquard's opening drive mechanism, including left side plate, and one side top end of left side plate is fixedly connected with four connecting beams, and the other end of connecting beam is fixedly connected with right side plate, and both sides of left side plate and right side plate are rotatably connected with two eccentric wheels, and the eccentric wheel of both sides has the phase difference of degree. The utility model discloses a jacquard's opening drive mechanism, and left side plate and right side plate constitute stable frame through four connecting beams and provide support for integral mechanism, and the eccentric wheel rotatably connected with both sides can realize alternate motion because of 180 degrees phase difference, and drive mechanism provides power for eccentric wheel, makes it rotate, and the hook mechanism then converts the rotary motion of eccentric wheel into the lifting action of hook, and through the reverse motion of both sides eccentric wheel, drives the hook to alternate lifting, thereby controls the warp to form opening, provides the foundation for the formation of jacquard fabric.

A gas bearing device supports a rotating shaft rotatably with gas as a working fluid, wherein: a housing through which the rotating shaft penetrates; a ring-shaped top foil provided inside the housing and surrounding an outer periphery of the rotating shaft; a return spring provided between the top foil and the housing, and provided with a plurality of peaks that abut against the top foil and a plurality of valleys that abut against the housing; and a pair of clamping rings that are inserted into a shaft hole of the housing through which the rotating shaft penetrates, restrict movement of the return spring in an axial direction of the rotating shaft, and have a self-lubricating inner peripheral surface.

The invention relates to a dual-bearing laser radar, which comprises a shell internally provided with a mounting cavity, and a bottom plate arranged at the bottom of the mounting cavity, the core plate is arranged above the bottom plate; the rotating assembly comprises a main bearing arranged above the bottom plate; one end of the rotating bracket is connected with the main bearing and the other end is connected with the core plate; the rotor is arranged on the periphery of the stator and is in telecommunication connection with the stator; the optical assembly comprises an optical module which is connected with the rotating bracket and is driven to rotate; an auxiliary bearing with the same rotating axis as the optical module is arranged between the upper end face of the optical module and the shell. A bearing rubber sleeve is arranged between the auxiliary bearing and the optical module; a power supply assembly. The bearing rubber sleeve of the laser radar is made of the flexible material, rotation impact caused by different axes can be absorbed, and noise is reduced; part of assembly tolerance in the height direction can be absorbed; and up-and-down jumping of rotation of the radar core can be better buffered.

This utility model discloses a cooling device for a high-power cylindrical shell motor, relating to the field of underwater unmanned submersible technology. The device consists of a spiral water chamber, an extension section, an inlet / outlet water circulation assembly, and connecting components. The spiral water chamber includes a cylindrical tube (10), spiral blades (11), and a sealing flange (7). The inlet / outlet water circulation assembly includes a water pipe, a circulation pump (15), a cooler (16), and inlet / outlet water connectors. The extension section (1) is installed at both ends of an integrated cylindrical shell motor (3). When in use, this device is mounted on the casing of a high-power cylindrical shell motor for cooling during land-based load testing. Water is directly flushed onto the motor casing, resulting in high cooling efficiency and closely approximating the actual operating environment of the motor. The spiral water chamber design allows water to flow along a designed path for cooling, resulting in lower flow resistance and more uniform cooling. By combining an external cooler and a pressurized water pump circulation system, the cooling performance can be maintained stably for extended periods.

This invention relates to a focusing device for a stage light, comprising a guide rail and a slider that can slide relative to the length of the guide rail. The slider is used to connect with a lens assembly to adjust the focal length. The guide rail is provided with a first flange protruding outwards on both sides. The slider is provided with a receiving cavity with an opening. The two opposite inner sides of the receiving cavity are provided with grooves corresponding to the first flanges, and the grooves completely penetrate the upper and lower ends of the slider. An intermediate block is fixedly provided in each of the two grooves. The intermediate block is provided with a sliding groove adapted to the first flange, and the sliding groove completely penetrates the upper and lower ends of the intermediate block. This allows the slider to slide and engage with the first flange of the guide rail through the sliding groove of the intermediate block. The intermediate block not only improves the fit and smoothness between the slider and the guide rail, but also prevents wear caused by direct contact between the slider and the guide rail, thereby extending the service life of the focusing device.

The utility model discloses a durable side air inlet fuel gas ejector structure which comprises an injection molding shell, a containing cavity is formed in the injection molding shell, an installation column is arranged in the containing cavity, and the installation column and the injection molding shell are fixedly installed. The air inlet shell is fixedly connected to the lower end of the injection molding shell, a valve seat is arranged in the air inlet shell, the valve seat is fixedly connected with the inner wall of the air inlet shell, a sliding stroke is formed between the valve seat and the mounting column, a movable iron core is arranged in the sliding stroke in a sliding mode, a wear-resisting ring is arranged on the circumferential face of the movable iron core, and a wear-resisting piece is arranged at the top of the wear-resisting ring; the electromagnetic force in the ejector is enhanced, the abrasion-resistant high polymer material abrasion-resistant ring is arranged on the circumferential face of the vertical moving stroke of the movable iron core, and the abrasion-resistant piece is arranged at the top of the vertical moving stroke of the movable iron core. The composite material has excellent comprehensive properties such as high temperature resistance, self-lubrication, corrosion resistance, flame retardance, hydrolysis resistance, wear resistance and fatigue resistance, and is relatively high in wear resistance.

The invention provides a rolling-sliding composite angular contact self-lubricating knuckle bearing which comprises an inner ring 1, a self-lubricating gasket 2, an outer ring 3, a sealing ring 4, a rolling body 5 and a retainer 6. The inner ring 1 is sleeved in the outer ring 3; the rolling body 5 is positioned between the raceways of the inner ring 1 and the outer ring 3 and is guided to roll on the correct raceway through the retainer 6; the inner spherical surface of the outer ring 3 is locally bonded with a self-lubricating gasket 2, and the self-lubricating gasket 2 and the inner ring 1 form a pair of sliding fit surfaces; two sealing grooves are locally formed in the inner spherical surface of the outer ring 3, and two sealing rings 4 are assembled on the inner spherical surface of the outer ring 3; the outer spherical surface of the inner ring 1 is a bulge, the inner spherical surface of the outer ring 3 is a recess, and the bulge of the inner ring 1 and the recess of the outer ring 3 are unequal in radian, so that the technical problems of low axial bearing capacity, large starting friction torque and high maintenance cost of the existing knuckle bearing are solved.

The utility model belongs to hydraulic application parts in the mechanical industry, and particularly relates to a wear-resistant coating bimetallic side plate of a gear pump. A wear-resistant coating is arranged on the surface of a copper alloy layer of the bimetallic side plate, the thickness of the wear-resistant coating is 1.5-2.5 microns, and the physical and chemical properties of the surface of a workpiece are improved under the condition that the original size of the workpiece is almost not influenced; the hardness of the wear-resistant coating is greater than 2100HV and is far higher than that of a metal material, so that the wear-resistant coating can still keep low wear rate even under high load; the friction coefficient is only 0.05-0.1, so that the friction heat and the energy consumption are reduced, and the friction material is suitable for a high-speed environment; the gear pump has good self-lubrication performance, low friction can still be maintained even if lubrication is poor, and the risks of side plate sintering and gear pump failure caused by dry friction are reduced; and the coating is resistant to high temperature and still keeps excellent coating adhesion in repeated heat cycles. Therefore, when the starting rotating speed of the gear pump is too high or in a low-temperature environment in winter, the side plate has self-lubricating property and high surface hardness, the friction coefficient can be reduced, the wear resistance is improved, and the service life of the gear pump is prolonged.

This utility model relates to a plastic sliding structure, including a support plate and a sliding member slidably disposed on the support plate. The support plate includes a first support surface, a second support surface, and a sliding hole penetrating the first and second support surfaces. The sliding member includes a sliding body, a connecting plate extending from the sliding body toward the first sliding surface toward the second support surface, and a baffle disposed at the end of the connecting plate away from the first sliding surface. The baffle includes a second sliding surface. The connecting plate passes through the sliding hole. The first sliding surface is slidably connected to the first support surface, and the second sliding surface is slidably connected to the second support surface. A reinforcing rib is provided between the connecting plate and the sliding body to ensure that the distance between the first and second sliding surfaces is maintained within a preset range. The plastic sliding structure designed in this utility model can effectively solve the problems of jamming caused by plastic shrinkage in low-temperature environments and noise caused by increased gaps in high-temperature environments.

The utility model discloses a pulse xenon lamp with a protective structure, which relates to the technical field of xenon lamps and comprises a protective shell, damping slide rails are mounted on two sides of the outer surface of the protective shell, damping slide blocks are connected to the outer surfaces of the damping slide rails, and a shading plate and a reinforcing plate are respectively connected to one side of each damping slide block. Handles are fixed to the outer surfaces of the reinforcing plates, and racks are connected to the outer surfaces of the damping sliding blocks. Through the arrangement of the shading plates, the handles, the racks and the gears, one shading plate is moved by pushing one handle, the two racks are driven to move through the two damping sliding blocks when the other shading plate is moved, at the moment, the four racks are meshed with the two gears, the other shading plate is made to move, and the two shading plates move in opposite directions; the stroke of the shading plate can be shortened by nearly half, the speed of opening and closing the shading plate is increased, and the shading plate is prevented from extending out and occupying too much space; stroke of the shading plate can be shortened, opening and closing speed is increased, and operation is convenient.

The utility model discloses a gear pump suitable for low viscosity oil product, including oil inlet board, internal gear and external gear, the external gear rotatablely installed in the oil inlet board, the internal gear eccentricity engages to the inside of external gear, still include: driving part, upper teflon cloth and limit piece, the driving part with the internal rotation is connected for drive the internal gear rotation, the outside radial extension of driving part is limited to outward limit piece. The utility model discloses through setting up upper teflon cloth at the top of internal gear and external gear, utilizes the sealing characteristic of teflon cloth, effectively reduces the leakage of low viscosity oil product in gear end face from high pressure area to low pressure area, improves the pumping efficiency, limit piece and driving part limit cooperation, limit the deformation opening of upper teflon cloth, prevent its from excessive deformation and unable to reset, guarantee the stability and durability of sealing, ensure that gear pump maintains good sealing performance and pumping efficiency in long -term operation.