75results about How to "Solve the problem of oil spill" patented technology

The invention relates to a direct-current rotary cultivator comprising a frame, a driving device supported by the frame, a cultivating device connected with the driving device through a transmission device, and a control device electrically connected with the driving device and the transmission device; wherein the frame comprises a machine body, a resistance rod and an armrest assembly; the driving device comprises a direct-current motor and a battery pack; the transmission device comprises a first transmission device and a second transmission device, and is connected with the cultivating device through a transmission shaft connected with the second transmission device; the cultivating device comprises a knife rest assembly and a rotary cultivating knife assembly; and the battery pack is arranged between the knife rest assembly and the axle line direction of the armrest assembly. The direct-current rotary cultivator has the advantages of small volume, high efficiency, long service life, easiness, convenience and safety for operation, and uniform cultivated soil particles, and has the functions of self-protection and early warning.

The invention discloses a method for adjusting the clearance of a bearing at the upper part of the heavy loaded planetary reducer of a coal cutter cutting unit. The heavy loaded planetary reducer includes an inner ring gear, a sun gear and a planet carrier. On the planet carrier are mounted a plurality of planetary gears, the sun gear is engaged with the plurality of planetary gears, the inner gear ring is engaged with the planetary gears, a first bearing seat is arranged on the coal cutter cutting unit and located at the lower part of the planet carrier, a first tapered roller bearing is arranged on the first bearing seat, a second bearing seat is arranged at the upper part of the inner ring gear, and a second tapered roller bearing is arranged on the second bearing seat. The method for adjusting the clearance of the second tapered roller bearing comprises (1) mounting a seal cover; (2) calculating the clearance S between the seal cover and the second bearing seat; (3) calculating the adjustment amount X of the clearance of the second tapered roller bearing; and (4) modifying the seal cover according to the adjustment amount X. The clearance adjusting method is good to use, not only improves the service life of the bearing, but also improves the service life of the coal cutter.

The invention provides an electronic cigarette oil leakage preventing device adopting a light-induced reversible deformation layer. The electronic cigarette oil leakage preventing device comprises a housing (12), a light source accommodation cavity (2) provided with a light source (1) in the inside and provided with a transparent light outlet wall (2-1), a light-induced reversible deformation layer (5) provided with a lighted side surface and a back-lighted side surface, and an elastic layer (6) tightly attached to the back-lighted side surface of the light-induced reversible deformation layer (5), wherein the lighted side surface faces the light source (1), an airflow outlet channel is defined between the lighted side surface of the light-induced reversible deformation layer (5) and the light outlet wall (2-1) and the housing (12), and an air inlet hole (8) and an air outlet hole (3) of the airflow channel are respectively formed in the housing (12), one end of every one of the two holes is fixedly connected with the light outlet wall (2-1) or the housing (12), the other end of every one of the two holes is attached to the lighted side of the light-induced reversible deformation layer (5), and therefore blocking of the airflow channel is formed.

The invention discloses a spherical follow-up universal bias adjusting polished rod sealing mechanism. For the problem that a spherical valve cannot rotate for 360 degrees in operation, the problem of the spherical valve capable of realizing the follow-up sealing along with the oscillation of a polished rod in the sealing operation is solved in a manner of a bulb steering gear on an automobile; and the manner of the bulb steering gear on the automobile is combined with the sealing manner of the spherical valve as a whole, so that the problems of high bias-adjusting quantity without solid wastes, always sealing keeping between a sucker rod and a sealer and universal follow-up movement of the sucker rod and the sealer are solved.

The invention discloses a bogie. The bogie comprises a framework, a gearbox, a traction motor, wheel pairs, a wheel axle, a six-connecting-rod hollow shaft and a suspension cross beam; the suspensioncross beam comprises a beam body, a through groove and a bearing seat, wherein the through groove is transversely formed in the beam body; and the bearing seat is transversely arranged in the groove opening of one end of the through groove in an overhanging manner and fixedly connected with the beam body; one end, with the through groove, of the beam body is fixedly connected with the tractor motor in a longitudinal manner; a sealed cavity formed after connecting one end, with the through groove, of the beam body with the tractor motor sleeves the external surface of the hollow shaft; the other end of the tractor motor is suspended on a middle cross beam of the framework; one end, without the through groove, of the beam body is hooked with a framework end beam through a lifting rod; and adriven gear of the gearbox is sleeved with the bearing seat through a bearing. The bogie has the advantages that a problem of cross instability of heavy-duty freight electric locomotive in the high speed running process is solved by using a driving device elastic suspension mode; and problems of complicated gearbox structure and heavy load on the gearbox are solved because the gearbox adopts a non-load structure.

The invention relates to a hinge with damping. The hinge comprises a connecting core rod and two vane assemblies, wherein both the two vane assemblies are connected with articulated pipes, and the connecting core rod respectively penetrates through the articulated pipes on the two vane assemblies; a damping sleeve is fixedly arranged in each articulated pipe, the connecting core rod is sleeved in the articulated pipes through the damping sleeves and is in interference fit with the damping sleeves. As the damping sleeves are adopted, damping oil is not needed, and the problem of oil leakage is solved. As the damping sleeves and the connecting core rod are in interference fit, the damping needed by the hinge in the rotation process can be ensured. Due to the texture of the damping sleeves, the silence of the hinge in the rotation process can be ensured.

The invention discloses an atomizer capable of exhausting and preventing oil leakage and electronic cigarette. The atomizer comprises an oil storage bin body, wherein an oil storage cavity is formed in the oil storage bin body, and an oil inlet hole enabling tobacco tar in the oil storage cavity to enter a heating and atomizing area is formed in the cavity wall corresponding to the oil storage cavity; an exhaust channel used for balancing air pressure in the oil storage cavity is arranged on the outer side, away from the oil storage cavity, of the cavity wall where the oil inlet hole is located, one end of the exhaust channel is connected to the oil inlet hole and communicated with the oil inlet hole, and the other end of the exhaust channel is communicated with an airflow channel where airflow in the atomizer passes through. According to the atomizer, air pressure balance in the oil storage cavity is maintained by designing the exhaust channel, and therefore problems that the heating core is burnt out and oil leaks due to slow oil inlet and insufficient oil supply are solved.

The invention provides a fume leakage preventing structure of an integrated stove, and relates to an integrated stove. A chimney is connected with a fan, the bottom of the chimney is provided with oil leakage holes. An oil collection box is arranged below the oil leakage holes. A fume guide plate is installed in the chimney. The fume guide plate is tightly attached to the upper wall, the front wall and the rear wall of the chimney and guides an air outlet of the fan. An oily fume gap is arranged between the bottom end of the fume guide plate and the bottom wall of the chimney. When the fume leakage preventing structure works, the fume guide plate divides the chimney into a positive-pressure working area and a negative-pressure working area. The positive-pressure working area communicates with the negative-pressure working area through the oily fume gap, and the oil leakage holes are formed in the negative-pressure working area. According to the fume leakage preventing structure, the structure is simple, smooth oil drainage can be achieved, and internal cleanliness of the body of the integrated stove can be kept.

The invention discloses a self-propelled cleaning method and a self-propelled cleaning device for manures in a dairy farm. The self-propelled cleaning method is characterized in that a motor is used as a power source, and is connected with a transmission assembly by belt pulleys, the transmission assembly provides power for wheels connected onto a support, accordingly, the support advances, and the manures in the dairy farm are shoveled by a shovel loader arranged at the front end of the support, and are cleaned in a self-propelled manner. The self-propelled cleaning method and the self-propelled cleaning device have the advantages that an advancing mode and an operation mode of a mini-tiller suitable for a site of the dairy farm are adopted, a manure cleaning machine is small in size and flexible in operation, and inconvenience in cleaning due to activity of cattle can be effectively prevented; the motor is used as the power source, so that working noise of the manure cleaning machine is reduced, and is prevented from injuring and scaring the cattle during operation; the motor is connected with the transmission assembly by the belt pulleys, and accordingly the problem of oil leakage when an existing motor is connected with an existing transmission assembly by splines is solved; various shortcomings such as large sizes, heavy weight and loud noise of an existing manure cleaning machine are overcome, and the self-propelled cleaning device is simple in structure, reasonable in function and flexible in operation.

The invention discloses an aircraft fuel tank sealant. The aircraft fuel tank sealant is prepared from base paste and vulcanizing paste, wherein the base paste is prepared from the following components in parts by weight: 100 parts of liquid polysulfide rubber, 0.5-10 parts of fluorine-modified hollow glass microspheres, 20-50 parts of calcium carbonate, 1-10 parts of fumed silica, 0.5-5 parts ofsalt of octadecanoate, 1-10 parts of epoxy resin and 10-20 parts of butyl benzyl phthalate; the vulcanizing paste is prepared from the following components in parts by weight: 100 parts of manganese dioxide, 10-20 parts of butyl benzyl phthalate, 2-10 parts of 1,3-diphenylguanidine and 10-30 parts of carbon black, and the weight ratio of the base paste to the vulcanizing paste is 5-20:1. The aircraft fuel tank sealant is obtained from the base paste and the vulcanizing paste by uniform mixing in proportion. The aircraft fuel tank sealant has remarkable oleophobicity, can effectively resist aircraft fuel and has broad market application prospect, and aircraft oil leakage accidents caused by sealant volume shrinkage are reduced.

The invention discloses a vent valve structure which comprises a valve cover (1) and a valve body (2). The valve body (2) is provided with an O-shaped ring notch (3), and an O-shaped ring which can be in interference fit with a box body is arranged in the O-shaped ring notch (3). The valve body (2) is provided with a labyrinth type ventilation channel which can condensate oil vapor in gas. According to the vent valve structure, the good sealing performance is used for preventing oil liquid from being leaked from a ventilation valve, oil liquid backflow is achieved through the labyrinth type ventilation channel, and the problem of oil liquid leaking in the discharging process is solved. The vent valve structure is reliable in structure, simple in manufacturing and convenient to mount.

The invention relates to an oil level control switch of an oil cooling tank. The oil level control switch comprises a float ball, a lever, a pin, a piston, a spring, a slider, a fixed shaft, a switch and the like. The oil level control switch is characterized in that the float ball is located at the lower end of the lever and the lower end of the float ball touches oil; the middle of the lever is fixed by the pin, the lever is capable of rotating around the pin and the upper end of the lever is connected with the piston; the piston is connected with the slider through the spring, both the piston and the slider are mounted on the fixed shaft and capable of reciprocating along the axial direction of the fixed shaft; the switch is arranged on the left of the fixed shaft, and the slider can touch the switch when moving leftwards, so that start and stop states of a circulating pump are controlled. With the oil level control switch, oil spilling is avoided thoroughly and safety in use of equipment is improved.

The invention relates to an oil-draining and nitrogen-injecting fire extinguishing device comprising double oil draining systems. The device comprises a fire control cabinet, a first transformer, a second transformer, a control cabinet and an accident oil tank; a terminal box, a nitrogen cylinder, a first oil draining pipeline, a second oil draining pipeline as well as a first nitrogen injecting pipe and a second nitrogen injecting pipe which are arranged on an outlet pipeline of the nitrogen cylinder are arranged in the fire control cabinet; a first pressure detector and a first oil draining valve are arranged on the first oil draining pipeline; a second pressure detector and a second oil draining valve are arranged on the second oil draining pipeline; oil leakage detecting assemblies are arranged in pipelines on lower sides of the first oil draining valve and the second oil draining valve and the first pressure detector and the second pressure detector are connected with the control cabinet through the terminal box. The device is relatively reasonable in structural design, can effectively solve problems about pressure detection and pipeline oil leakage of nitrogen-injecting fire extinguishing devices in the prior art, and is convenient, practical and suitable for further popularization and application.

The invention discloses an airtight leak-prevention method for sealing gaps between a wellhead packing box and a polished rod. The airtight leak-prevention method is characterized in that the polished rod rotates to drive a roller to rotate, a sealing stop plate is enabled to perform reverse movement with the polished rod through directional change of a gear train, air inside a chamber is compressed, and the purpose of performing air sealing on the gaps between the wellhead packing box and the polished rod can be realized. The airtight leak-prevention method has the advantages of improving a method that sealing performance of a conventional leak-prevention device can be improved only by increasing extrusion, solving the problem about oil leak between the packing box and the polished rod, decreasing friction force between the leak-prevention and the polished rod and reducing load on a pumping unit suspension point.

The invention discloses a high-falling-prevention maintenance support for top maintenance of a large transformer. The maintenance support comprises: a first support, wherein the first support is fixedly connected with a vertical rod, and the vertical rod is provided with a hanging part; a second support comprising a first telescopic part and a second telescopic part, wherein the first telescopic part can stretch out and draw back in the left-right direction, the first support is detachably installed on the first telescopic part, the second telescopic part is arranged at the end, away from the first support, of the first telescopic part, and the second telescopic part can stretch out and draw back in the front-back direction; a winch detachably installed on the second support, wherein a steel wire rope is arranged on the winch; and a fixed pulley detachably installed on the second support, wherein the steel wire rope is suitable for being connected to the fixed pulley in a wound mode. When the maintenance support is used, the maintenance support needs to be placed on the top of a transformer box body firstly, then the steel wire rope is tensioned to be connected with the transformer box body so as to firmly fix the whole maintenance support, and therefore when a transformer is maintained, a maintainer can conveniently bind and hang a safety belt or a safety rope on the hanging part of the vertical rod.

The invention relates to a carburetor of a gasoline engine, in particular to a carburetor of the gasoline engine which is provided with an anti-loosening sleeve on a fuel needle. The technical proposal of the invention is as follows: the carburetor of the gasoline engine which is provided with the anti-loosening sleeve on the fuel needle is characterized in that an adjusting rod is fixedly sleeved with a plastic sleeve which is arranged between a thread spindle part and an adjusting cap. By adopting the technical proposal, the novel carburetor of the gasoline engine which is provided with the anti-loosening sleeve on the fuel needle overcomes the shortcomings of the prior art, has the high-accuracy match between the fuel needle and a carburetor body, and does not leak fuel.

The invention discloses an oil leakage preventing clutch slave cylinder. The oil leakage preventing clutch slave cylinder comprises a cylinder body and a piston arranged in the cylinder body in a slidable manner, wherein a bulge structure is arranged on the outer surface of the cylinder body, an oil hole communicated with a closed space is formed in the bulge structure, and a cut-through round through hole is formed in an elastic oil plug. The clutch slave cylinder further comprises an oil tank, an oil guiding pipe is arranged on the oil tank, one end of the oil guiding pipe communicates with the oil tank, the other end of the oil guiding pipe penetrates through the elastic oil plug and extends into the closed space, a retaining nut is arranged on the oil guiding pipe in a sleeving manner, one end of the retaining nut is fixed to the oil tank, and the other end of the retaining nut is arranged on the bulge structure in a screwing manner. The problem of the existing clutch slave cylinder that because an oil outlet nozzle of the hydraulic oil tank is directly arranged on an oil inlet nozzle on the clutch slave cylinder in a screwing manner and the connecting part between the hydraulic oil tank and the clutch slave cylinder easily loosens, oil leaks from the connecting part is solved.

The invention provides a device for achievement of transmission of an inclined cutter head of a rotary tiller. The device comprises a side reduction gearbox, a transmission shaft and the inclined cutter head; the transmission shaft is fixedly connected with the output end of the side reduction gearbox; a key groove is formed in the end of the transmission shaft; the inclined cutter head comprises a power pin base, a mounting base, a bearing gland and an offset rotary tilling blade, a power pin is mounted in the key groove, the power pin base is mounted on the power pin, the mounting base is fixed to the outside of the side reduction gearbox, and the power pin base is located in the mounting base; the bearing gland is fixed to the power pin base and matched with the end surface of the mounting base in a sealed mode, the offset rotary tilling blade is mounted on the bearing gland, and the key groove is arranged in an inclined mode relative to the radial section of the transmission shaft, so that an included angle is formed between the inclined cutter head and the radial section of the transmission shaft. By means of the device, a soil layer below a driving gearbox can be removed, the tilling depth of the rotary tiller is increased, oil leakage is prevented, and pollution to the environment is reduced.

A linear transmission device with a lubricating unit comprises a long shaft, a movable body movably arranged on the long shaft and the lubricating unit arranged on the movable body. The lubricating unit is provided with an oil tank and a mass block, the oil tank is provided with an oil storage space, and the oil storage space communicates with the interior of the movable body through an oil outlet; and the mass block is arranged in the oil storage space of the oil tank and can generate displacement through the inertia force generated when the movable body moves, and lubricating oil in the oil storage space can be extruded in the displacement process of the mass block, so that the lubricating oil is supplemented from an oil outlet to the interior of the movable body, and the lubricating effect is achieved.

The invention relates to a power supply device for a RDA electronic atomizer, and an electronic atomization device comprising the power supply device. The power supply device comprises a shell, a connection device, a circuit control system, a power supply and a cigarette oil storage; the connection device is used for being connected with the atomizer in a matched manner, so that an electronic cigarette is formed; an oil way channel is arranged in the connection device; and the circuit control system controls power supply conditions of the power supply and the connection device. When the power supply device is used, the shell of the cigarette oil storage is extruded; cigarette oil stored in a cigarette oil cavity can enter the external atomizer through the oil way channel; therefore, cigarette oil is added at any time while power is supplied to the atomizer; cigarette oil does not need to be stored in the atomizer of electronic cigarette; and thus, the oil leakage problem is solved.

The invention discloses a turbine-driven compressor coupling sealing oil collecting system in an MVR salt making device. The system comprises a tubular protective cover arranged on a coupling in a sleeving mode in the axial direction of the coupling, and an oil return pipeline communicating with the protective cover, two ends of the protective cover are correspondingly in sealed flexible connection with a first bearing box and a second bearing box, and an oil mist fan is arranged on the oil return pipeline and used for making the protective cover, the first bearing box and the second bearing box have negative pressure. The protective cover is connected with the oil return pipeline, slightly large negative pressure is formed in the first bearing box and the second bearing box by utilizing the oil mist fan and an oil station oil return siphon principle, the problem of oil leakage of oil retainers on the outer sides of the first bearing box and the second bearing box is solved, high temperature generated by high-speed rotation of the coupling is cooled by utilizing sucked lubricating oil, the problems of high temperature, vibration, wind noise and the like caused by high-speed rotation of a diaphragm coupling are solved, oil leakage of an oil retainer of a bearing box of high-speed rotating equipment is prevented, leaked oil is collected and utilized, and potential safety hazardsof a semi-cover type protective cover are eliminated.