438results about How to "Avoid oil spills" patented technology

The invention discloses a pump station oil leakage prevention and control method and system of a hydraulic system and a lubrication system. The method comprises the following steps that firstly, a low liquid level limiting value and an ultralow liquid level limiting value of an oil tank of a pump station are set; secondly, the peak value speed Vmax of decrease of the liquid level of the oil tank when the pump station operates normally and needs the maximum oil use amount is calibrated; thirdly, liquid level information is collected in real time through a liquidometer and sent to a master control system; fourthly, the master control system calculates the real-time decrease speed V of the liquid level of the oil tank according to the liquid level information collected in real time; fifthly, the master control system analyzes and judges the liquid level of the oil tank and sends an alarm warning and a pump stop control instruction. The pump station oil leakage prevention and control method and system of the hydraulic system and the lubrication system prevent the phenomenon of mass oil leakage, implement necessary pump stop control when the oil liquid level continuously descends, lower economic loss and environment pollution caused by oil leakage to the maximum extent, protect safety of a mainframe and prevent damage caused by sudden machine stop in the operating process.

The invention discloses a composite material for manufacturing high-speed light-load oil-free lubrication bearings. The composite material is prepared by taking polytetrafluoroethylene as a base material, filling proper antifriction toughening materials such as glass fiber, copper powder, graphite, molybdenum disulfide and carbon fiber and carrying out synthesis and sintering. The composite material has the advantages of being small in frictional coefficient and low in frictional abrasion when in friction with high-speed moving parts such as carbon steel and the like under the condition of micro-oil or oil-free lubrication, can be widely used for manufacturing the water-based liquid lubricated sliding bearings, also can be used for manufacturing the high-speed light-load oil-free or micro-oil sliding bearings, is particularly suitable for the industries of ocean operation tools, textile machinery and food machinery, and has the characteristics of low cost and simple manufacturing process.

The present invention relates to one kind of engine oil pump for internal combustion engine and is the improvement of inner meshed cycoidal gear pump of the present inventor for further eliminating oil leakage problem. The present invention consists of pump casing, inner rotor, outer rotor, shaft and flow distributing plate. The inner rotor is located inside the outer toro, fixed on the shaft and installed inside the casing; the inwards concave disc pump casing has one position boss in the opening for the flow distributing plate to be embedded; and the shaft has noe end set inside the central hole in the flow distributing plate. The present invention has positioning boss for installing the engine oil pump and diesel engine in the pump casing, rather than the flow distributing plate, and this makes it possible for oil leaking from the fitting seam between the flow distributing plate and the pump casing to flow fluently into the diesel engine to avoid oil leakage.

The invention relates to a smoke cartridge. The smoke cartridge comprises a smoke cartridge tube provided with a flue and a liquid storage cavity, a sealing body arranged in the smoke cartridge tube and used for sealing the liquid storage cavity, an atomization core arranged in the sealing body and a base fixedly held with the smoke cartridge tube, wherein the sealing body comprises a sealing piece and a sealing piece formed on the sealing piece or arranged on the sealing piece in a sleeving manner; the sealing piece comprises a closed end, an accommodating end formed by extending downwards from the closed end, an oil duct penetrating through the closed end and extending to the accommodating end and an air duct separated from a flow channel; a balance air groove is formed in the transverseouter side of the sealing piece; air gaps communicating with the balance air groove in the vertical direction are formed in the transverse outer side of the sealing piece; and the liquid storage cavity communicates to an atomization cavity or the air duct through the air gaps and the balance air groove. The smoke cartridge can effectively keep air pressure balance in the liquid storage cavity.

The invention discloses an automobile oil pipe fixing support, and relates to the technical field of automobile part manufacturing. The automobile oil pipe fixing support comprises a mounting plate with a mounting hole, one end of the mounting plate is fixedly connected with a supporting plate, a pressing plate is hinged to the end, close to the mounting plate, of the supporting plate, the free end of the pressing plate and the free end of the supporting plate are connected with two opposite lug plates respectively, and the two lug plates are connected through a bolt. Opposite grooves are formed in the inner side of the pressing plate and the inner side of the supporting plate respectively, elastic cushion blocks with concave arc faces are embedded in the grooves, and the concave arc faces of the elastic cushion blocks stretch out of the grooves. Compared with the prior art, an oil pipe is arranged between the two elastic cushion blocks, the vibration of the oil pipe is reduced through the buffer function of the elastic cushion blocks, the situation that due to the fact that the connecting position of the oil pipe is loosened, oil leakage and noise are generated is avoided, and normal use is guaranteed.

The invention discloses a sealing device of a fan bearing seat. The sealing device comprises a main shaft, wherein the main shaft is equipped with a bearing seat, a bearing, a bearing seat end cover and a gland in sequence; a felt is arranged on the bearing seat end cover; a first space is reversed between the bearing and the bearing seat end cover; an oil retainer and an oil catcher are arranged in the first space; the inner hole of the oil retainer is provided with a conical degree; a second space is reversed between the oil retainer and the oil catcher; and the first space is communicated with the second space. According to the invention, the whole space of the sealing device of the fan bearing seat is of a labyrinth shape; a great quantity of liquid oil threw out by the bearing can firstly be caught by the oil catcher, a small quantity of liquid oil flows past from the second space, however, the oil retainer can play the damping effect on the liquid oil and the felt can play the third sealing effect, so the sealing effect is greatly improved, the phenomenon of oil leakage of the fan bearing seat is avoided, the production cost is saved and the production efficiency is improved.

The invention relates to an integral loading cap discharge type bottle cap mould pressing forming machine. The integral loading cap discharge type bottle cap mould pressing forming machine comprises a main machine assembly, an upper mold, a lower mold, an oil cylinder assembly, a transmission mechanism, a rotary support, a loading cap discharge assembly, a discharge hole head, a discharge hole reversing mechanism and an extruding mechanism, wherein the oil cylinder assembly is driven by a hydraulic system, the loading cap discharge assembly comprises a material separating main shaft, the material separating main shaft is provided with a material separating plate, a scraper is mounted under the material separating plate, and is matched with the discharge hole reversing mechanism, a water separating and material blowing plate is mounted on the material separating plate, a cap separating impeller and a cap discharge baffle ring are mounted outside the water separating and material blowing plate, a material separating and air blowing hole A, a binder blowing hole B and a material return air blowing hole C are formed in the water separating and material blowing plate, a plurality of material falling holes are formed in the material separating plate, and drive the material separating plate to correspond to the material separating and air blowing hole A, the binder blowing hole B and the material return air blowing hole C through the material separating main shaft by virtue of the transmission mechanism, and a material return pipe and a material return box are arranged below a material scraping knife rest.

The invention relates to the technical field of accessories of sewing machines, in particular to a front shaft sleeve assembly of a lower shaft. The front shaft sleeve assembly of the lower shaft comprises a lower shaft and a shaft sleeve sleeved outside the lower shaft, wherein the lower shaft rotates inside the shaft sleeve; a blind hole is axially formed in the lower shaft body; the blind hole is a rotating shuttle oil supply pipeline; a through hole communicated with the rotating shuttle oil supply pipeline is radially formed on the outer surface of the lower shaft body inside the shaft sleeve; a groove and a reflowing slot are sequentially formed on the outer surface of the lower shaft body on the end where the rotating shuttle oil supply pipeline is arranged and one side of the through hole; and the reflowing slot can guide oil to the groove when the lower shaft rotates. Through the reflowing slot with the screwing direction opposite to the rotating direction of the lower shaft, in the case of rotation of the lower shaft, oil adhered to the lower shaft can reflow into the groove to form circulation, so that a phenomenon of oil leakage from a clearance between the lower shaft and the shaft sleeve is avoided and the quality of a product is improved; therefore, the front shaft sleeve assembly of the lower shaft is applicable to a sewing machine.

The invention discloses a connecting rod sliding shoe type flow distribution radial plunger pump, which comprises an eccentric shaft, a stator, a rotor, plungers, connecting rod sliding shoes and oil control valves and is characterized in that the bottom of the stator is fixedly connected with a base. A group of stator oil holes are evenly distributed on the inner wall of the stator along the radial direction, the group of stator oil holes are correspondingly connected with a group of oil control valves, the eccentric shaft is arranged in the stator, the rotor is arranged in the stator and connected to the outer side of the eccentric shaft in sleeved mode, a rotor anti-rotation mechanism is arranged at the bottom of the rotor, a group of plunger holes are evenly distributed on the rotor along the radial direction, a group of plungers are respectively arranged in the group of plunger holes, plunger return springs are arranged between the bottoms of the plunger holes and the plungers, the tops of a group of connecting rod sliding shoes are respectively arranged in the group of plungers and hinged to a group of plunger balls, and the bottoms of the group of connecting rod sliding shoes are slidingly connected with the inner wall of the stator and corresponds to the group of stator oil holes. The connecting rod sliding shoe type flow distribution radial plunger pump is sensitive and reliable in oil distribution, small in hydraulic oil leakage, low in fault rate and capable of effectively overcoming defects of a flow distribution mode of an existing radial plunger pump.

The invention relates to special outdoor thermal insulation electrical equipment. The special outdoor thermal insulation electrical equipment comprises a transformer and a power distribution cabinet, wherein the transformer comprises a transformer box body, a transformer box cover, an iron core and a coil winding; the coil winding is wound around the iron core in a wrapping manner; the iron core and the coil winding are both arranged in the transformer box body; the transformer box body is filled with transformer oil; a conservator is arranged on the transformer box cover; a thermal insulation plate is arranged on the inner surface of the cabinet body of the power distribution cabinet; the transformer box cover is fastened on the transformer box body through fastening bolts; an alarm protection structure is arranged between the transformer box cover and the transformer box body; a sealing rubber mat is also arranged between the transformer box cover and the transformer box body; high-voltage wire-outlet sleeve pipes and low-voltage wire-outlet sleeve pipes are also arranged on the transformer box cover; main radiating pipes are arranged on the front and back sides of the transformer box body; auxiliary radiating structures are arranged on the left and right sides of the transformer box body; an anti-theft oil drain valve is arranged at the bottom of the transformer box body; and the transformer also comprises a high-voltage wiring structure, a low-voltage wiring structure and a wire-breaking detection apparatus.

The invention provides an electronic cigarette. The electronic cigarette comprises an outer tube, a battery assembly, an atomization assembly and an upper cover, wherein the outer tube sleeves the battery assembly; the atomization assembly detachably sleeves the outer tube and is in electric connection and matching with the battery assembly; the upper cover is arranged on the atomization assembly, and a suction nozzle hole is formed in the top of the upper cover; the atomization assembly comprises an oil storage shell and an atomizer, wherein an air inlet hole and a smoke outlet are formed in the top surface of the oil storage shell, and the atomizer is fixedly arranged in the oil storage shell; the bottom of the oil storage shell is sealed through the atomizer; an air locking device is further arranged above the top surface of the oil storage shell; and the air locking device is used for opening and closing the air inlet hole and the smoke outlet. The air inlet hole and the smoke outlet which are used as two ends of an air channel are formed in the top surface of the oil storage shell at a high place, and the air locking device is used for opening and closing the air inlet hole and the smoke outlet, so that the air channel can be sealed; and the bottom of the oil storage shell is sealed through the atomizer, so that the problem that tobacco tar leaks through the air channel is effectively avoided and the bottom of the atomization assembly is clean and has no leakage.

The invention discloses a scraping-rolling machine boring rod spiral sealing mechanism and a scraping-rolling machine, wherein the scraping-rolling machine boring rod spiral sealing mechanism comprises a flange plate, a reciprocating sealing piece and a rotary sealing piece; the outer edge of the flange plate is fixedly connected with a wall plate at an opening part of an oil receiver, so that the flange plate covers the opening part; an installation hole is arranged in the middle of the flange plate, and a boring rod is arranged in the installation hole in a penetrating way; the reciprocating sealing piece is arranged between the inner wall of the installation hole and the boring rod; and the rotary sealing piece is sheathed on the boring rod and is clung to the end surface of the flange plate, close to a boring rod box. The scraping-rolling machine boring rod spiral sealing mechanism and the scraping-rolling machine can realize the rotary sealing and the reciprocating sealing of the boring rod simultaneously, and are simple in structure and stable in performance.

The invention discloses an engine oil filter assembly. The engine oil filter assembly comprises an engine oil filter and an installation base, wherein the engine oil filter is used for filtering engine oil, the installation base is used for supporting the engine oil filter, an oil return control mechanism is arranged inside a cavity of the installation base, the engine oil filter is installed on the oil return control mechanism through a connecting pipe, the oil return control mechanism comprises an oil return device body and a sealing face cavity, an oil outlet which is connected with a filtered engine oil outlet pipeline during installation of the engine oil filter is arranged on the oil return device body, an oil return opening which is connected with an oil return pipe during disassembly of the engine oil filter is arranged on the sealing face cavity, an oil return spring which is fixedly connected with the oil return device body is arranged inside the sealing face cavity, the top end of the oil return spring is connected with the oil return device body, and the bottom end of the oil return spring extends out of the sealing face cavity and presses against the bottom face of the cavity of the installation base. The invention also provides an assemble method and a disassembly method of the engine oil filter assembly. The engine oil filter assembly has the advantages of being simple in structure, reliable to operate and high in strength and is applicable to engine oil filtering and oil returning of the engine oil of various engine oil engines.

The invention relates to a vitamin premix suitable for soft capsules and a preparation method of the vitamin premix. The vitamin premix comprises the following raw materials of vitamin B1, vitamin B2,vitamin C, nicotinamide, vitamin B6, calcium pantothenate, vitamin B12, biotin, folic acid and maltodextrin. The preparation method comprises the following steps of making the raw materials into softmaterials, performing drying, performing crushing, and performing screening so as to make uniform fine powder of which the fineness is greater than or equal to 100 meshes. According to the vitamin premix and the preparation method thereof, a technology for making the soft materials by a wet method material mixing manner is firstly used, so that the condition of component changes caused by spray drying and high temperature generally used in the preparation of the premix is avoided. The fineness of granules of the prepared vitamin premix can achieve 200 meshes, the materials are uniformly distributed, the classifying phenomenon in the production and transportation process cannot occur, and the stability is good.

The invention discloses an oil filter for treating dirty oil in an electrical cabinet profile bending machine. The oil filter comprises a filter tank and an oil guide pipe, wherein the oil guide pipe penetrates through the outer wall of the filter tank and is placed at the upper end inside the filter tank; the top end of the filter tank is communicated with a condensation tank; a heating chamber is fixedly formed in the side wall of the filter tank, the oil guide pipe penetrates through the heating chamber, and a heater is mounted in the heating chamber; an oil injection column communicated with the oil guide pipe is rotationally arranged at the end part of the oil guide pipe, hollow wing plates are fixed on the two sides of the oil injection column, and a plurality of oil injection holes are formed in the opposite sides of the two wing plates; through holes communicated with the oil injection holes are formed in the oil injection column; an oil pump is fixed at the bottom of the filter tank, and the oil outlet end of the oil pump penetrates through the filter tank and is connected with a magnetic filter. Gas enters the condensation tank from the top of the filter tank and is newly fluidized under the condensation effect of the condensation tank to be convenient for centralized collection and treatment, and the purposes of improving the absorption of impurities in liquid when oil for bending is filtered and further improving the filtering efficiency of the oil for bending are further achieved.

The invention discloses a low-pressure reciprocating mechanism of an engineering machinery chassis, which belongs to the technical field of engineering machinery and is used for improving the sealing effect of the reciprocating mechanism. The technical scheme of the reciprocating mechanism is that: the reciprocating mechanism comprises an annular piston and a piston seat, wherein the inner surface of the annular piston is provided with an inner sealing circular groove which is coaxial with the piston; an inner lip-shaped sealing ring is arranged in the inner sealing circular groove; the outer surface of the annular piston is provided with an outer sealing circular groove which is coaxial with the piston; an outer lip-shaped sealing ring is arranged in the outer sealing circular groove; after improvement, the inner surface of the piston is provided with an inner oil guide groove which is communicated with the inner sealing circular groove; the outer surface of the piston is provided with an outer oil guide groove which is communicated with the outer sealing circular groove; and both the inner oil guide groove and the outer oil guide groove are positioned in an annular hydraulic oil cavity which is formed by enclosing the piston, the piston seat, the inner lip-shaped sealing ring and the outer lip-shaped sealing ring. The low-pressure reciprocating mechanism of the engineering machinery chassis can ensure the sealing effect thereof under the high temperature working condition and the low temperature working condition and completely prevent the occurrence of oil leakage phenomenon.

The invention relates to the technical field of vehicle tests, and discloses a test apparatus and a test method for the durability of a vehicle vibration damper. The test apparatus comprises an acquisition unit (1) respectively arranged on an upper vehicle frame and/or a lower axle of the damper and used for acquiring vibration parameters of the upper vehicle frame and/or the lower axle of the damper in a driving process of a vehicle and obtaining the actual road investigation; and a calculation unit used for determining the resonance excitation frequency and the corresponding excitation amplitude according to the actual road investigation, obtaining the equivalent damage value according to the resonance excitation frequency, the excitation amplitude, and multiple excitation calculations, obtaining the damage values of various pavements according to the actual road investigation, determining the general damage value of full cycle of the whole vehicle according to the pavement cycle prescribed by a test, and determining the excitation frequency of the durability tests for the vibration damper according to the equivalent damage value and the general damage value of the full cycle of the whole vehicle. According to the test apparatus for the durability of the vehicle vibration damper, the excitation frequency of the durability tests of the vibration damper can be obtained, and a reasonable service lifetime can be accurately determined.