43results about How to "Solve oil leakage" patented technology

The invention relates to a planer multiple degree of freedom controllable loading mechanism. The raise-rise arm of the loading mechanism is a planer single degree of freedom controllable mechanism, wherein one end of the raise-rise arm is hinged on the chassis, and the other end is hinged a bucket; and a bucket rollover mechanism is linked between the bucket and the chassis. By using the invention, the problem that the hydraulic system of the traditional hydraulic loading machine has high demand on parts and short service life and leaks oil, etc can be solved.

The invention discloses a fuel cell engine system and an air supply system thereof, and a control method. The air supply system comprises a hydrogen supply system and an air supply system; a hydrogenoutlet pipeline is connected with a two-position two-way valve; the two-position two-way valve is connected with a first hydrogen circulating pipeline and a second hydrogen circulating pipeline in parallel; the first hydrogen circulating pipeline is connected to an inlet of a gas compressor of an expansion and gas compression all-in-one machine; and the outlet of the gas compressor is connected toa hydrogen circulation main pipeline, the hydrogen circulation main pipeline is connected to a hydrogen inlet pipeline, a second hydrogen circulation pipeline is connected to the hydrogen circulationmain pipeline through a hydrogen ejector, an inlet hydrogen pressure detection device is arranged on the hydrogen inlet pipeline, and an air outlet pipeline is connected to an expansion machine of the expansion and gas compression all-in-one machine. High-pressure tail gas exhausted by the air supply system is effectively used for driving the expansion and gas compression all-in-one machine to achieve hydrogen cyclic utilization, parasitic loads of the auxiliary system are reduced, and the net output power of the stack is improved.

The invention provides a compaction device for road surface compaction. The compaction device comprises a compaction beam and a vibration mechanism disposed on the compaction beam. The vibration mechanism includes a magnetic component and an elastic component arranged on one side of the magnetic component. The magnetic component and the elastic component can drive the compaction beam to move up and down. The compaction device makes use of an electromagnetic mechanism, namely the suction of an electromagnet and the elastic force of a spring, to realize compaction of a road surface mixture. Characterized by simpler structure and more reliable work, the compaction device effectively solves the problems of easy oil leakage and poor work reliability in compaction mechanisms. On the other hand, the invention also provides a paver, which includes a screed and the compaction device in the screed. The compaction device is as described above.

The invention relates to a horizontal vacuum spraying machine. A horizontal structure is adopted, and compared with a spraying machine of a vertical structure, the production capacity is improved greatly, so that the production capacity requirement of an existing large-sized extruder is met, wherein the stirring and mixing effect is good so as to ensure the product quality; compared with an existing horizontal machine, the horizontal vacuum spraying machine adopts arrangement of two-shaft stirring so as to further improve the mixing effect; furthermore, since two stages of gates, a recovery nozzle and an oil recovery pipe are arranged, the pressure difference between a stirring chamber and a recovery chamber is utilized to send leaked oil to the stirring chamber through the oil recovery pipe for recovery so as to conduct spraying, so that the problem of oil leakage is solved.

The invention discloses a rotating shaft device and an electronic device. The rotating shaft device comprises a torsion generating structure. The torsion generating structure comprises a torsion generating body, a first connecting structure and a second connecting structure, wherein the first connecting structure and the second connecting structure are arranged at the two opposite ends of the torsion generating body in a connected manner. The first connecting structure is fixedly arranged on a first body of the electronic device, and the second connecting structure is fixedly arranged on a second body of the electronic device. When external force acts on the first body and/or the second body, the torsion generating body is bent by the torsion generated by the torsion generating body, then a current included angle between the first body and the second body is changed from a first angle into a second angle different from the first angle, and when the external force stops from being applied, the current included angle between the first body and the second body can be kept as the second angle under the supporting effect of the torsion generating body.

The invention provides a gear box, a bogie and a railway vehicle. The gear box comprises a box body, an input gear shaft and a speed measuring device; a first end of the input gear shaft penetrates through the box body and is suitable for being connected with a driving mechanism, and a second end of the input gear shaft extends to the outer side of the box body; and the speed measuring device is installed at the second end of the input gear shaft and located on the outer side of the box body. According to the gear box provided by the invention, a series of work such as vehicle lifting, wheel falling and wheel withdrawing does not need to be carried out during decomposition inspection, the box body of the gear box does not need to be disassembled, and the speed measuring device can be disassembled on the outer side of the box body of the gear box, so that the gear box is convenient and rapid, and the decomposition inspection cost is lower.

The invention relates to "a whitening skin care cream and its preparation method", and relates to the field of cosmetics. A whitening skin cream, which is mainly prepared from mirabilis seed oil, stearic acid, acetylated lanolin, glycerin, stearyl alcohol, methylparaben, triethanolamine, and mirabilis seed oil and glycerine Alcohol weight ratio is 1:1. The invention solves the problem that the mirabilis seed oil is easy to leak oil in the skin cream through the unique formula ratio and preparation process. The skin cream of the present invention can be used as a cosmetic for a long time. This product has no adverse side effects on the skin of the face or various parts of the body, is non-irritating, has obvious therapeutic effects on acne, ringworm, warts, acne and other symptoms, and also has antipruritic and antibacterial properties It is a skin care product integrating beauty, curative effect, function and naturalness.

For all motor cable outward leakage points in an oil-immersed electric roller, through performing sheath blocking and core blocking on each electrical connecting wire which penetrates through wiring noses at two ends of an intermediate wiring terminal by an intermediate conjunction box body and each component, and then pouring resin insulating sealing resin for performing sealing blocking, each leakage point is blocked. The intermediate conjunction box body has advantages of effectively ensuring no outward leakage from a cable, well ensuring environment of an application field, expanding application range and ensuring reliable operation of the electric roller.

The invention discloses a supporting-point-free universal type blender transmission mechanism. The blender transmission mechanism is technically characterized in that an oil seal cavity is in a W type; an output shaft of a reduction gearbox penetrates through a mechanical seal support, and is limited on the mechanical seal support through glands at the upper and lower ends of the mechanical seal support and a separating shaft ring falling-preventing device, and a second oil seal is arranged between the output shaft of the reduction gearbox and the mechanical seal support; the top of the output shaft of the reduction gearbox is coaxially provided with a M-shaped gear and is also provided with a second bearing gland; a motor support is provided with a first bearing gland, and a second straight-through type oil cup is arranged between the first bearing gland and the motor support; an input shaft of the reduction gearbox penetrates through the motor support and is limited in the motor support through a flexible coupler on the upper end of the motor support, and a first oil seal and a first straight-through type oil cup are arranged between the input shaft of the reduction gearbox and the motor support. The supporting-point-free universal type blender transmission mechanism solves the problems of a traditional blender that oil is likely to leak, the disassembly maintenance of a traditional mechanical seal is not convenient, the universality of a reduction gearbox is low, and the like.

The invention discloses an oil supply device without oil pump oil leakage for a turbo expander. The oil supply device comprises an oil pump and an oil tank, wherein the oil pump is connected with a motor through a coupler, and the oil pump and the coupler are arranged in the oil tank. According to the oil supply device without oil pump oil leakage for the turbo expander, the oil pump and the coupler are arranged in the oil tank together, so that the oil suction effect of the oil pump is better, the phenomenon that the oil pump leaks oil outwards is thoroughly avoided, pollution to the environment is eliminated, the purposes of energy conservation, emission reduction and environmental protection are achieved, and meanwhile the use cost is saved.

The invention discloses a sealing leakage-proof device for an automobile fluid bend. Cylindrical sealing plates are arranged at the two ends of the bend. A cylindrical hollow connector is arranged at one end of the bend, and an outer thread is arranged on the hollow connector. The corresponding cylindrical sealing plate is located between the bend and the hollow connector. An inner thread is arranged at the other end of the bend, and the inner thread is located between the bend and the corresponding cylindrical sealing plate. A through hole is formed in the center of each cylindrical sealing plate, and the through holes communicate with the bend. Four insertion connecting holes are evenly formed in the periphery of each through hole, and threads are arranged on the inner walls of the insertion connecting holes. By means of the above manner, the problem that an automobile fuel bend in the prior art is prone to oil leakage is solved.

The invention relates to a tobacco tar thickener, electronic cigarette tobacco tar and a preparation method thereof. The tobacco tar thickener comprises xanthan gum, sodium carboxymethyl cellulose, sodium polyacrylate, xylitol and water. The tobacco tar thickener is compounded by taking water as a solvent, xanthan gum, sodium carboxymethyl cellulose and sodium polyacrylate as main materials and xylitol as an auxiliary material. The xanthan gum, the sodium carboxymethyl cellulose and the sodium polyacrylate play a role in thickening, the xylitol plays a role in increasing body fluid and preserving moisture, and the substances are matched with one another, so that the viscosity of the tobacco tar can be obviously improved when the tobacco tar thickener is added into the tobacco tar, and peculiar smell is not brought to the fragrance of the tobacco tar.