117results about How to "Solve lubrication problems" patented technology

The invention discloses a non-shutdown device for the inversion of a lifeboat diesel engine, which comprises a lubrication system and a respiratory system, wherein the lubrication system comprises an oil suction port of an oil pump and an oil tray arranged at the bottom of a crankcase; and the respiratory system comprises a main respirator holder arranged on a cylinder cover and a main respiration channel which passes through a machine body of the diesel engine. The top of the oil tray is provided with a unidirectional sealing mechanism, a main respirator check valve is arranged in the main respirator holder, a secondary respiration channel is arranged in the machine body of the diesel engine, and an advancer cover is provided with a secondary respirator check valve. The device has a simple structure and low cost, can meet the requirement stipulated in the SOLAS convention, and solve the lubrication problem of a diesel engine system and the air exhaust problem inside the crankcase when the lifeboat diesel engine is in an inverted state.

The invention discloses a soundless rock drilling and splitting integrated machine and belongs to the field of rock drilling and splitting devices. The soundless rock drilling and splitting integrated machine comprises a hinged head, a rock drilling slide rail, a splitting slide rail, a rock drilling device arranged in the rock drilling slide rail in a sliding mode and a sliding seat arranged in the rock splitting sliding rail in a sliding mode. A splitting device is fixed to the sliding seat. The soundless rock drilling and splitting integrated machine further comprises a rotating component connected to the hinged head in a rotatable and hung mode. The rock drilling slide rail, the splitting slide rail and the rotating component are fixedly connected. The distance between the center line of a drill bit of the rock drilling device and the central axis of the rotating component is equal to the distance between the center line of a splitting sharp component of the splitting device and the central axis of the rotating component. By the adoption of the soundless rock drilling and splitting integrated machine, a rotating motor or a hydraulic oil cylinder is adopted, the rotation radius equidistance principle is utilized, after rock is drilled, a splitting block of the splitting device is accurately located and fed into a drill hole, accurate locating can still be achieved after the soundless rock drilling and splitting integrated machine is used for a long time, the splitting direction can be flexibly adjusted, and the flexible damping function and the automatic lubrication function are also achieved.

The invention discloses a linear power machine and a power tool. The linear power machine enables the stator component to be installed on the first end and the second end. The mover component is guided and supported by the first end and the second end. No extra guide rail or guide structure is needed to be matched with the mover component. The whole structure is simplified, the size chain of the motor is reduced, the problem that the rotor component and the stator component are damaged by collision due to tolerance is avoided, the requirement for the precision of the components is lowered accordingly, the manufacturing difficulty is lowered, the precision of the motor is improved, and under the condition of the same size, the driving force of the scheme is larger, and the effect is better.Meanwhile, the stator component is partially exposed, heat exchange with external air can be effectively carried out through the exposed area of the stator component to achieve heat dissipation, andthe heat dissipation efficiency is improved.

The invention relates to a lubricating system for engines, particularly to an oil way system for an aerodynamic engine. The oil way system comprises pressure lubrication, splash lubrication, a pipeline, two magnet suction filters and two strainers which are stacked together, wherein the pressure lubrication is adopted on a crankshaft diameter of the engine, a connecting rod shaft diameter, a cam shaft diameter, a cam shaft thrust flange, a timing gear, a rocker arm shaft and the like; the splash lubrication is adopted on a piston, a piston ring, a piston pin, a cylinder wall, a valve, a tappet, a cam and the like; the pipeline is used for lubricating an air controller. According to the oil way system, only one pipeline is added to lubricate the controller, so that the inner space of the engine is saved.

The invention discloses a diesel injector coupler applied to multiple fuels. A needle valve body is provided with a fuel passage, a fuel accommodating cavity, a needle valve guide hole, a needle bar hole, a sealed inner conical surface, an oil jet hole and a lubricating oil passage, wherein the oil jet hole is formed on the sealed inner conical surface; the fuel passage is communicated with the fuel accommodating cavity; the lubricating oil passage is communicated with the needle valve guide hole; a guide section is sleeved in the needle valve guide hole on the needle valve body; a conical surface sealing bar is positioned in the needle bar hole; the sealed outer conical surface of a needle valve is matched with the sealed inner conical surface of the needle valve body; the guide section of the needle valve is provided with a lubrication groove; and when the needle valve is positioned at a limit position, the lubrication groove is communicated with the lubricating oil passage. The lubrication groove is formed on the guide section of the needle valve so as to increase the axial length of the lubrication groove between the needle valve and the needle valve body, reduce the processing cost and prevent the needle valve and the needle valve body from being blocked due to lubrication lack; and an abrasion-resistant coating is arranged on the sealed outer conical surface of the needle valve so as to prolong the sealing life between the needle valve and the needle valve body and prevent the fuel liquid from leaking.

The invention discloses a high-speed semicontinuous casting device of an aluminum alloy cast ingot, and belongs to the technical field of aluminum alloy casting. The device comprises a hot top, a crystallizer inner sleeve, a crystallizer outer sleeve, a cooling water cavity and a dummy bar head. A secondary cooling water cut-off device is arranged below the crystallizer inner sleeve, and a grease metering valve is arranged at an inlet of each oil conveying pipe below the crystallizer outer sleeve. A method comprises the steps that aluminum alloy melt is cast for semicontinuous casting, and lubricating oil is conveyed; (2) the semicontinuous casting speed is controlled to range from 200 mm/min to 400 mm/min, secondary cooling water is sprayed to the surface of the cast ingot, and the conveying amount of the lubricating oil is increased along with the casting speed; (3) the surface temperature of the cast ingot is detected; (4) the secondary cooling water cut-off device is controlled according to the surface temperature of the cast ingot; and (5) operation of the step (4) is repeated till casting is completed. According to the device and the method, the casting speed is greatly increased, the surface quality of the cast ingot is improved, the cast ingot has no casting defect, and the microstructure is uniform.

The invention provides a perfluoropolyether lubricant and a preparation method thereof. The perfluoropolyether lubricant comprises, by weight, 2-15% of perfluoropolyether oil and 80-98% of a fluorine-containing solvent. The perfluoropolyether lubricant has the advantages of very simple formula, low cost, and easiness in industrial production; and the lubricant contains no solid lubricant components, so the lubricant is very suitable for lubricating the micro-electromechanical system.

The rockshaft with oil pressure unloading plane has one axial oil path along the central axis and one radial oil path along the rockshaft, the axial oil path is connected to the radial oil path, and the outer surface of the rockshaft has one oil pressure unloading plane through the said radial oil path port. Therefore, the present invention solves the problem of lubricating the air valve rock arm and the rockshaft, the oil pressure unloading plane can raise lubricant oil flow speed to reach the aim of lowering the temperature of air valve rock arm and rockshaft.

The invention discloses a power take-off gearbox casing and a power take-off gearbox directly connected to a hydraulic pump, which solve the problems of excessive oil stirring and high oil temperature of the gears in the prior art, and solve the problems caused by the excessive stirring of the gears. It solves the problem of heat dissipation caused by oil and solves the problem of lubrication of multiple bearings. The scheme is as follows: a power take-off gearbox casing directly connected to a hydraulic pump comprises that the power take-off gearbox casing is sequentially divided into a ventilation cavity, a main cavity, a first oil storage cavity and a second oil storage cavity through inner ribs, Oil passages are respectively provided between the main cavity and the two oil storage cavities, the ventilation cavity is isolated from the main cavity, and a first oil collecting pool is arranged above the position between the first bearing and the second bearing in the main cavity, and the third A second oil collecting pool is arranged above the bearing.