63results about How to "Improve oil scraping effect" patented technology

The invention discloses an oil separator. The oil separator comprises a box body, a solid-liquid separation chamber, a water-oil separation chamber and a water discharge chamber are arranged in the box body, an oil collection trough and an oil-water separation device are arranged in the oil-water separation chamber, the oil-water separation device comprises an oil adsorbing plate, an oil scrapingplate, a vertical driving assembly and a horizontal driving assembly, the lower surface of the oil adsorbing plate is provided with an oil adsorbing sponge layer, the oil-water separation device further comprises an oil guiding tube, one end of the oil guiding tube is connected with the oil scraping plate, the other end of the oil guiding tube extends to the oil collection trough, and the oil guiding tube receives oil scraped off by the oil scraping plate and guides the oil into the oil collecting trough. The vertical driving assembly drives the oil adsorbing plate to contact the liquid surface in the oil-water separation chamber, the oil adsorbing sponge layer adsorbs the oil, the vertical driving assembly drives the oil adsorbing plate to rise, the horizontal driving assembly drives theoil scraping plate to abut against the oil absorbing sponge layer, and the oil adsorbed by the oil adsorbing sponge layer is scraped by the oil scraping plate, goes through the oil guiding tube, and is collected into the oil collecting trough, so the water doped in the separated oil is reduced, and the trouble of secondary oil-water separation is reduced.

A piston device for internal combustion engines includes a first compression ring and a second compression ring in an outer circumference of a piston, wherein the second compression ring includes a notch extending from the inner circumference to the outer circumference on a lower surface of at least one of a pair of ends of the ring, and a gap between the ring ends at the notch on the second compression ring is larger than a gap between the ring ends of the first compression ring, and a gap between the ring ends at the section other than the notch on the second compression ring is the same or smaller than the gap between the ring ends of the first compression ring, and the second compression ring contains an outer circumferential surface comprised of a tapered surface decreasing the ring radial thickness towards the upper side, and an axial parallel surface formed below the tapered surface. Instead of the axial parallel surface, the second compression ring may utilize a tapered surface with a taper angle smaller than the taper angle of the above tapered surface; or may utilize a tapered surface decreasing the ring radial thickness towards the lower side.

The invention discloses an oil leakage preventing device of an upper bent needle of a sewing machine. The oil leakage preventing device comprises a machine shell, the upper bent needle, a bent needle slide block and a slide block base. The upper bent needle and the slide block base are assembled on the machine shell. The bent needle slide block is assembled in the slide block base. An oil scraping assembly and multiple pieces of oil cotton are arranged in the bent needle slide block. The oil cotton is located below the oil scraping assembly. The upper bent needle is axially and movably sleeved with the oil scraping assembly and the oil cotton. The position, provided with the oil scraping assembly and the oil cotton, of the bent needle slide block is provided with a closed cover plate. An oil discharge hole is formed in the bent needle slide block. An oil return hole communicated with the oil discharge hole is formed in the machine shell. An oil absorption assembly absorbing away oil stains is arranged at the oil return hole. The oil cotton and the oil scrapping assembly are designed on the upper bent needle. An oil scraping oil seal scraps down and absorbs away part of oil when the upper bent needle moves, the rest of oil is directly absorbed away by the oil cotton, the dual-layer protection is achieved, and it is avoided that the upper bent needle splashes oil; meanwhile, oil in the slide block can be absorbed away through an oil pump with force, the oil absorption capacity of the oil cotton is ensured, and the oil return effect is improved. The invention belongs to the technical field of oil leakage prevention of the sewing machine.

The invention relates to the field of steel wire rope production, in particular to a steel wire rope oil scraping device and a using method thereof. The steel wire rope oil scraping device comprises apipe body, wherein four groups of arc-shaped plates are mounted in an inner cavity of the pipe body; screws rods are inserted into the four sides of the outer wall of the pipe body correspondingly, penetrate through the outer wall of the pipe body and are inserted into inner cavities of first bearings; and each screw rod is fixedly connected with the inner wall of the corresponding first bearing,and each bearing is fixedly mounted on the outer wall of the corresponding arc-shaped plate. The arc-shaped plates can be driven to adjust the positions by rotating the screw rods, so that the distance between the two arc-shaped plates can be adjusted, the device can adapt to steel wire ropes with different diameters, and the device is high in adaptability, practical and suitable for wide application and use.

The invention relates to a wiper arrangement and compressor with such a wiper arrangement. Conventional wiper arrangements with cut rings suffer from unavoidable leakage and, in particular in an embodiment as metallic wiper ring with a sharp wiping edge, scratch on the surface of the piston rod which can be damaged in this manner. In order to eliminate these problems, a wiper arrangement with a wiper ring 2 which is split in the circumferential direction and an L-shaped cover ring 3 which is split in the circumferential direction is proposed, wherein the splitting points 16, 15 of the cover ring 3 and the wiper ring 2 are arranged offset to each other in the circumferential direction, and the wiper ring 2 is arranged abutting axially as well as radially in the recess 4 of the L-shaped cover ring 3, and the radially inner circumferential surfaces 6, 7 of the wiper ring 2 and the cover ring 3 form a common radially inner wiping surface 10.

The present invention provides an oily wastewater treatment system, which comprises a round roller 1, a motor, a round roller 2, a transmission belt, a fixed plate 1, an oil scraper, a fixed plate 2 and a collection box. The rear end of the round roller 1 is assembled on the The upper position of the front end surface of the vertical plate, the motor is installed at the upper position of the front end surface of the second vertical plate, and the first round roller is connected with the second round roller through a transmission belt. This design realizes the purpose of automatically adjusting the tension of the conveyor belt in the present invention. The collection box is arranged on the lower side of the oil scraper, the first fixed plate is installed on the right end surface of the vertical plate one, the second fixed plate is installed on the right end surface of the vertical plate two, the rear side of the lower end surface of the oil scraper is connected with the fixed plate The upper surface of the first end fits together, and the front side of the lower end of the oil scraper is attached to the upper end face of the second fixed plate. This design increases the sterilization function of the present invention. The present invention has high working efficiency, small footprint, low failure rate, and high stability. Well, high reliability.

The invention discloses a stainless steel pipe cold rolling oil removing device and method. The stainless steel pipe cold rolling oil removing process and the stainless steel pipe cold rolling processare carried out simultaneously. According to the oil removing method, oil scraping operation is carried out on the outer surface and the inner surface of a finished stainless steel pipe in the discharging process of the stainless steel pipe cold rolling technology, and a method of adopting a sealing ring for increasing spring pressure and a high-pressure airflow as an auxiliary are used for oil removing of the inner and outer surfaces of the stainless steel pipe, so that the difficulty of lubricating oil pollution and oil discharging of the stainless steel pipe in the cold rolling process ofthe stainless steel pipe is solved, and favorable conditions are created for the improvement of a degreasing effect of the stainless steel pipe in the next step.

The invention relates to a degreasing apparatus, particularly to a degreasing apparatus for industrial wastewater treatment. The technical problem to be solved by the present invention is to provide adegreasing apparatus for industrial wastewater treatment, wherein the height of the degreasing belt can be adjusted according to the liquid level of a wastewater pool so as to achieve the optimal degreasing effect, and workers can conveniently operate. The degreasing apparatus comprise a wastewater pool, a first rotating shaft, a first bearing seat, a first guiding wheel, a lifting plate, a degreasing belt, a second guiding wheel, a motor, a second rotating shaft, a scraping sheet, a second bearing seat, a first installing plate, a first butterfly bolt, a collecting hopper, a connecting plate, a collecting frame and a mesh plate. According to the present invention, with the degreasing apparatus, the height of the degreasing belt can be adjusted according to the liquid level of the wastewater pool so as to achieve the optimal degreasing effect, and workers can conveniently operate.

The invention discloses an oil-water separation component of an oil separator. The oil-water separation component comprises an oil attaching plate, a pneumatic conveying component and an oil scraping component, wherein an oil suction sponge layer is arranged on the surface of the oil attaching plate, the pneumatic conveying component comprises a gas supply device and a gas outlet pipe, the gas outlet pipe is connected with the gas supply device, a gas outlet of the gas outlet pipe is arranged toward a liquid surface and blows an oil layer on the liquid surface to the oil attaching plate, the oil scraping assembly comprises a telescopic driving member and an oil scraping portion, and the telescopic driving member drives the scraping portion to reciprocate along the surface of the oil attaching plate and to scrape the oil layer on the oil attaching plate into an oil collecting tank. By pneumatic conveying, during liquid conveying, disturbance to liquid in the oil separator is reduced, and the liquid is maintained in a layered state to be conveyed to the oil attaching plate, so that the oil layer is attached to the oil attaching plate, and then, the oil is scraped into the oil collecting tank by the oil scraping assembly to complete oil-water separation; the separation effect is good, water mixed in the separated oil is reduced, and the trouble of needing further oil-water separation is reduced.

A two-part oil wiper ring (10) for an internal combustion engine comprises a U-shaped expanding spring ring (1) with an axial cutout (2) to form elastic legs (3, 4) pointing radially outwards, the two The spring legs are connected to each other via radially inner webs (5) and comprise a ring body (7) with parallel side faces (7a, 7b) and a running surface (9). In such an oil wiper ring, a minimum axial construction height is to be achieved with an improved oil wiper effect in that the side faces (7a, 7b) of the ring body have recesses (11) in their radially inner walls , these notches have bearing surfaces (12) for engaging the spring legs (3, 4) of the expansion spring ring, and are shaped such that the nominal height of the wiper ring is determined solely by the height of the ring body (7).

The invention discloses an oil and water separator. The oil and water separator comprises a box body, a settling tank, an oil scraping tank, an oil collecting tank, a water collecting tank, a water drainage pump unit and a control box, wherein an impurity treatment tank is arranged in the box body; an oil scraper is arranged in the oil scraping tank; the oil collecting tank and the water collecting tank are arranged at one side of the oil scraping tank; the oil collecting tank is used for receiving the oil above the oil scraping tank; the lower parts of the water collecting tank and the oil collecting tank are communicated and collects the water in the oil scraping tank; the water drainage pump unit is communicated with the water collecting tank; a thread shaft is transversely arranged atthe bottom part of the impurity treatment tank, is rotationally connected with the impurity treatment tank, and is connected with a first motor; the thread shaft is connected with a movable block by threads, and the movable block is rotationally connected with a cutting device. The oil and water separator has the advantages that the impurities are cut and crushed by the impurity treatment tank, soas to prevent the impurities from stacking and blocking an impurity discharge port; the crushed impurities can be directly used as a feed, and the impurities can be conveniently recycled in the laterperiod.

The invention provides a large reciprocating type oil scraping ring assembly of a process compressor. The large reciprocating type oil scraping ring assembly comprises a compressor body, wherein a piston rod is arranged in the compressor body; a first oil scraping ring and a second oil scraping ring are arranged on the piston rod; an oil scraping box is arranged at the periphery of each oil scraping ring; a pulsation sealing ring is arranged at one side of the second oil scraping ring; one side, away from the first oil scraping ring, of the second oil scraping ring is equipped with an oil seal; and a dynamic sealing ring is arranged on a position, at one side away from the oil scraping rings of the oil seal, of the piston rod. A nitrogen gas inlet and a nitrogen gas outlet are formed in the surface of the dynamic sealing ring; the nitrogen gas inlet and the nitrogen gas outlet correspond to each other in position; and a distance from the nitrogen gas inlet to the center point of the dynamic sealing ring is equal to that from the nitrogen gas outlet to the center point of the dynamic sealing ring. The large reciprocating type oil scraping ring assembly strengthens the oil scraping effect, is relatively less in leaked amount of lubricating oil, greatly reduces resource waste and process gas pollution, caused by leakage of the lubricating oil, and is very practical.

The invention relates to the technical field of Internet of Things. The invention further discloses an Internet of Things oil-water separator comprising a fixed base; a water pump is fixedly mounted on one side of the upper end of the surface of the fixed base; wherein two supporting frames are fixedly mounted on one side of the upper end of the surface of the fixed base; a filtering tank and a separation tank are fixedly mounted at the middle positions of the two supporting frames; a discharging pipe is mounted in the middle of the lower end of the filtering tank; one end of the discharging pipe is fixedly connected with the water pump; the other end of the water pump is fixedly connected with the separation tank through a connecting pipe; a water collecting tank is fixedly mounted on oneside of the upper end of the surface of the fixed base; a water outlet pipe is fixedly installed on one side of the water collecting tank, one end of the water outlet pipe is fixedly connected with the lower end of the separation tank, an oil collecting tank is fixedly installed at the upper end of the water collecting tank, an oil outlet pipe is fixedly installed at one end of the oil collectingtank, and through arrangement of the filtering tank and the separation tank, the whole device has a very good oil-liquid separation effect.

The invention discloses an oil scraping device for silicon steel. The device comprises an installation clamping groove and an oil scraping strip. The oil scraping strip penetrates into the installation clamping groove, the installation clamping groove is fixed to equipment, the oil scraping strip comprises a boss, a vertical section, an inclined section and a lip opening which are connected in sequence, the oil scraping strip further comprises a high-strength steel belt and a fiber enhancement layer, the high-strength steel belt is in the boss and the vertical section, the upper end of the fiber enhancement layer is on one side of the high-strength steel belt, the lower end of the fiber enhancement layer stretches into the inclined section close to the lip opening, the boss, the vertical section, the inclined section and the lip opening located on the outer side of the high-strength steel belt and the fiber enhancement layer are made from special wear-resisting rubber through heat vulcanization, the section of the lip opening is in an inverted right triangle shape, the included angle a between the inclined edge of the lip opening and the horizontal plane is 15-25 degrees, and the included angle b between the inclined section and the horizontal plane is 30-45 degrees. By using the oil scraping device for silicon steel, the service life is obviously prolonged, the replacement frequency is low, and the using cost is greatly reduced.

The invention discloses a reciprocating compressor oil scraping structure. The reciprocating compressor oil scraping structure comprises a connecting cylinder, an oil scraping ring assembly is arranged on the connecting cylinder in a penetrating manner, the oil scraping ring assembly comprises an oil scraping flange, an oil scraping box, oil scraping ring pairs and springs, the oil scraping flange is fixedly connected with the oil scraping box through bolts, the two oil scraping ring pairs are arranged in the oil scraping box in a penetrating manner, and each oil scraping ring pair comprises two oil scraping rings, wherein the two oil scraping rings are the first oil scraping ring and the second oil scraping ring respectively, each oil scraping ring is composed of a three-section structure, oil scraping ring gaps are formed between sections, the oil scraping ring gaps in the first oil scraping ring and the oil scraping ring gaps in the second oil scraping ring are placed in a staggered manner, the circumferential positions of the oil scraping rings are fixed through positioning pins, and the springs are embedded into the outer sides of the oil scraping rings; and an oil baffle plate is arranged at one side of the connecting cylinder. The reciprocating compressor oil scraping structure can solve the problems that an existing oil scraping structure is incomplete in oil scraping, low in oil scraping efficiency, unsmooth in oil return and inconstant in oil scraping effect.

The invention provides a piston ring with a good oil scraping function. The piston ring is structurally characterized in that two symmetrical scraper blades are arranged on the outer circular face of the piston ring, the top end of each scraper blade is designed to be in a stepped shape, the minimum distance of each step is 0.01 mm, and the height of each step is 0.14 mm; a groove is formed in the inner circular face of the piston ring, and N small oil return holes evenly distributed are formed in the outer circular face of the piston ring; the shape structure of the top end of each scraper blade is in the stepped shape, and engine oil on the inner wall of a cylinder jacket can be effectively scrapped clearly; and the oil film thickness can be improved effectively and the friction work can be lowered effectively due to the small stepped area of the scraper blades, the width of the scraper blades cannot become larger suddenly even if the piston ring operates for a long time, and parts of the fine scraper blades are worn off. By the adoption of the structure, the deformation of the piston ring is small, the degree of fitting with the inner wall of the cylinder jacket is higher, a gap between the piston ring and the cylinder jacket is reduced, it is avoided that lubricating oil enters an air cylinder along the gap to be involved in combustion, and the emission level of an engine can be lowered effectively.

The invention discloses a novel oil scraping device for a natural gas compressor. According to the technical scheme, the device comprises an oil baffle plate, an oil pre-scraping ring, a main oil scraping ring and a cover plate, wherein the oil pre-scraping ring and the main oil pre-scraping ring are correspondingly arranged in the oil baffle plate; the cover plate is in contact with the main oilscraping ring and is closely connected to the oil baffle plate through a fastener; the oil pre-scraping ring is arranged at one end, opposite to the cover plate, of the oil baffle plate; the oil pre-scraping ring is coaxial with the main oil scraping ring and sleeves a piston rod of the compressor; an annular groove which is connected to an oil scraping part is formed in the main oil scraping ring; and a compressing spring through which the oil scraping part is close to the piston rod is arranged in the annular groove. The device adopting the abovementioned scheme is good in oil scraping effect and long in service life.

The invention relates to the technical field of dust prevention of linear sliding rails, in particular to an integral dustproof structure for a linear sliding rail. The integral dustproof structure for the linear sliding rail comprises a sliding block, a first sliding rail groove is formed in the middle of the lower end face of the sliding block, a sliding rail capable of sliding relative to the sliding block is arranged in the first sliding rail groove, and ball modules are arranged on the left side and the right side of the first sliding rail groove respectively; an upper dustproof piece mounting groove is formed between the upper portions of the two ball modules, and an upper dustproof piece is arranged in the upper dustproof piece mounting groove; and lower dustproof piece mounting grooves are formed in the left sides and the right sides of the lower portions of the two ball modules correspondingly, and lower dustproof pieces are arranged in the lower dustproof piece mounting grooves. Through the integral dustproof design of an end cover, an oil seal piece, the upper dustproof piece and the lower dustproof pieces, foreign matter is prevented from entering a gap between the sliding block and the sliding rail to affect the movement performance of the linear sliding rail, the use performance of the linear sliding rail is improved, and the service life of the linear sliding rail is prolonged.

The invention discloses a scraper ring, a three-combination piston oil ring and a scraper ring preparation method. The scraper ring comprises a scraper ring base body with the upper surface and the lower surface being parallel to each other. The annular inner side of the scraper ring base body extends to form an inner circular face arc, and the radius of the inner circular face arc is R1. The annular outer side of the scraper ring base body extends to form an outer circular face arc, the radius of the outer circular face arc is R2, and the arc width of the outer circular face arc is t1. The outer circular face arc is connected with the upper surface and the lower surface of the scraper ring base body through transition slopes, the length of the upper transition slope connected with the upper surface of the scraper ring base body is L1, and the length of the lower transition slope connected with the lower surface of the scraper ring base body is L2. R1 is equal to 0.7 H to 0.9 H, R2 isequal to 0.25 H to 0.4 H, t1 is equal to 0.6 R2 to 0.8 R2, L1 is equal to 0.45 H to 0.65 H, and L2 is equal to 0.3 H to 0.4 H, wherein H is the height of the scraper ring base body, and the value range of H is 0.3 mm to 0.5 mm.