77results about How to "Improve oil storage capacity" patented technology

The invention discloses a walking type chassis of a symmetrical type multi-freedom-degree four-wheel all-wheel-drive walking type excavator and belongs to the field of application of engineering machinery. The walking type chassis comprises a front right leg (1), a rotation base (2), a rear right leg (3), a lifting oil cylinder (4), a front left leg (6) and a rear front leg (5). The structure of the front right leg and the structure of the front left leg are symmetrical. The structure of the rear right leg and the structure of the rear left leg are symmetrical. The rotation base is of a symmetrical structure and is composed of a central oil tank and two side oil tanks, wherein the two side oil tanks are located at the two sides of the central oil tank in a stepped mode in the vertical direction. The rotation base is connected with the front right leg, the rear right leg, the front left leg and the rear left leg through a lifting oil cylinder (4) and a corresponding sleeve A. According to the walking type chassis, oil streams in the rotation base can be communicated with each other between the central oil tank and the side oil tanks, so that oil storage does not only depend on the inner space of the central oil tank, and the oil storage capacity is increased by at least one time; on the condition of field operation, when fuel oil in a main oil tank is used up, fuel oil in the chassis can be extracted, and therefore the field self-sustaining capacity is high.

The invention discloses a cone crusher. The cone crusher comprises a machine frame, and a movable cone main shaft which is arranged in the machine frame; the lower end of the movable cone main shaft is provided with an eccentric mechanism which is in drive connection with a drive assembly; a support assembly which supports the movable cone main shaft is arranged below the eccentric mechanism; the lower part of the support assembly is provided with a hydraulic lifting system which can change the height of the support assembly; the hydraulic lifting system comprises a hydraulic cylinder which is fixed on the lower part of the machine frame and is provided with an inner cavity, and a piston which can vertically move in the inner cavity; the support assembly is arranged at the upper end of the piston; and the lower end of the hydraulic cylinder is provided with a hydraulic oil port which is externally connected with a hydraulic station and is communicated with the inner cavity. The cone crusher has a novel and unique structure, runs stably, improves the rotation speed of an eccentric bushing, and avoids rotation and galloping; and the working efficiency and yield of the cone crusher are improved, the service life of a machine is prolonged, and the using cost is reduced.

The invention discloses a high-strength antifriction double-layered iron base powder metallurgy material and a preparation method thereof. The preparation method comprises the following steps that a densification enhancer is mixed in a matrix, so that a matrix material is dense and high in strength; a compound pore-forming agent is mixed in a surface layer to enable a surface layer material to be porous and oil-bearing, and besides, the requirements on the hardness and the wear resistance of the surface layer are met, and the contact interface and the lubricating condition of a friction pair are kept stable, so that the novel high-strength antifriction double-layered iron base powder metallurgy material is prepared. The bearing property, the wear resistance and the antifriction anti-seizing property of the iron base powder metallurgy material are improved remarkably, and high strength and a high lubricating property are effectively combined.

The invention discloses a fuel-saving Cr-O-N nanocrystalline composite ceramic coated piston ring of a diesel engine and a preparation method of the fuel-saving Cr-O-N nanocrystalline composite ceramic coated piston ring of the diesel engine. The nanocrystalline composite ceramic coated piston ring which is composed of Cr, CrN and a Cr-O-N nanometer crystal layer in sequence is generated by means of the technology of arc ion plating. The fuel-saving type Cr-O-N nanocrystalline composite ceramic coated piston ring of the diesel engine and the preparation method of the fuel-saving Cr-O-N nanocrystalline composite ceramic coated piston ring are reasonable in structural design and achieve gradual change of components and the hardness gradient. In addition, the prepared Cr-O-N nanocrystalline composite ceramic coating layer and the piston ring have the advantages that good binding force, good wear-resistant property and corrosion-resistent property are provided, higher oil storage capability and hardness are provided, the defects that existing piston rings are poor in wear-resistant property and insufficient in oil storage capacity are overcome, long-term stable work of the piston ring is ensured, and the using performance of the piston ring is enabled to be greatly improved. Moreover, the fuel-saving type Cr-O-N nanocrystalline composite ceramic coated piston ring of the diesel engine has the advantages of being stable in quality in the process of coating, high in processing efficiency, and capable of reducing production cost of factories and having good industrial application prospect.

The invention discloses a method for preparing an efficiently hydrophobic and oil-absorbing sponge with a fluorine-containing silane coupling agent as a cross-linking agent. According to the method, a porous sponge is taken as a base body, an organosilicone hydrophobic layer is formed on the surface of the sponge through simple soaking and curing operations, the original water-absorbing and oil-absorbing amphiphilic sponge becomes a hydrophobic and oil-absorbing selective sponge, and the method is a surface modification method with which the performance of the sponge can be changed simply and efficiently. The original high porosity of the porous sponge is remained due to the organosilicone hydrophobic layer, and efficiently hydrophobic and oil absorbing characteristics are obtained. According to the method, the preparation process is simple, the reaction conditions are mild, raw materials are low in price and easy to obtain, and the prepared sponge has oil-water selective absorption, enables oil and water to be quickly, efficiently and automatically separated, has high oil storage capacity and recycling performance and can be squeezed repeatedly for recovery of oils.

The invention discloses a single-upright-column mooring type wellhead production operation platform. The platform comprises an upright column body, a positioning and mounting assembly, a rotating platform, an oil extraction operation platform and at least one inner well slot, wherein the upright column body is of a hollow structure, the positioning and mounting assembly is arranged on the bottom of the upright column body, the rotating platform is arranged on the outer portion of the upright column body and can rotate around the axis of the upright column body, and the rotating platform comprises a mooring connection device; the oil extraction operation platform is arranged on the top of the upright column body and positioned on the rotating platform, and the oil extraction operation platform is provided with an oil extraction operation component; and at least one inner well slot is arranged inside the upright column body, wherein at least one inner well slot can be connected with theoil extraction operation platform. The single-upright-column mooring type wellhead production operation platform can adapt to an economy index for marginal oil field exploitation.

The invention relates to an oil storage device of a high-pressure motor bearing, which is mainly used for improving the protection grade of the high-pressure motor bearing, such as the functions of dust prevention and water prevention. An oil throwing disk is fixed on a rotating shaft of a motor, a V-shaped ring is put in the outer end of an inner ring of a left cover of the bearing to improve the protection grade, and the inner side of a bearing set is fixed through a right cover of the bearing. The oil storage device is characterized in that labyrinth parts are arranged on an inner cover and an outer cover of the bearing, and the left cover of the bearing is internally and additionally provided with the inner ring. The oil storage device has simple, compact and reasonable structure and obvious effect. Under the condition of not changing structure materials, the protection grade of the motor is effectively improved through additionally arranging a labyrinth ring and the labyrinth parts on the inner cover and the outer cover of the bearing and the oil throwing disk. The inner ring is additionally arranged in the left cover of the bearing, and lubricating oil is thrown into an oil storage cavity in the inner ring and the bearing due to the action of centrifugal force, thus the oil storage capacity is greatly enhanced. For part processing, the oil storage device is simple and reasonable and has no influence on mechanical property of workpieces, and for mechanical deviation, because a single radial edge is preserved with an allowance of 1mm and a single axial edge is preserved with an allowance of 2mm, the assembly of the parts have no problems.

Provided is a tensioner which can ensure, with a simple structure, both the stability of the installation state of a check valve and the capacity of an oil storage chamber. A tensioner has a plunger, a housing, a check valve, and a coil spring. The plunger has a front-side plunger part having a pressing front end portion, and a rear-side plunger part disposed on the rear side of the front-side plunger part and having a valve movement restricting portion. The check valve is disposed on the rear side of the valve movement restricting portion. The coil spring is disposed so that one end thereof is in contact with a housing bottom portion and the other end thereof is in contact with the rear side of the check valve.

The invention relates to a preparation method of an efficient oil absorption material. According to the method, (perfluorobutyl)ethylene is introduced into polymerization as a comonomer, a long--carbon-chain fluorine-containing monomer is introduced on the basis of isobutyl acrylate and divinylbenzene, and the hydrophobic performance of the long-carbon-chain fluorine-containing monomer allows compatibility of the resin to oil to be improved and allows the oil adsorption and keeping capability to be enhanced. The soft component isobutyl acrylate is introduced into polymerization so as to provide a long-carbon-chain branch structure, thus optimizing the three-dimensional space structure of the resin molecule, enhancing oil molecule capturing capability of the three-dimensional space structure of the resin molecule, and significantly enhancing the comprehensive oil adsorption performance of the resin. Therefore, an acrylic acid series resin with high oil adsorption and high performances is developed. The introduction of the fluorine-containing group enhances the corrosion resistance of the resin skeleton and protects the sphere surface, thus prolongs the service lifetime.

The invention relates to an impact-resistant steel wire rope for a pile driver. The impact-resistant steel wire rope is characterized by comprising a steel wire rope core strand, an inner-layer steelwire strand, a filling fiber strand and an outer-layer steel wire strand, wherein the steel wire rope core strand, the inner-layer steel wire strand, the filling fiber strand and the outer-layer steelwire strand are sequentially arranged from inside to outside; the steel wire rope core strand adopts the single high-elasticity shear-resistant fiber strand, and the filling fiber strand is arrangedbetween the inner-layer steel wire strand and the outer-layer steel wire strand, so that a gap between the middle strands of the steel wire rope is greatly reduced, the effective area of the steel wire rope is increased, the compactness of the steel wire rope is improved, the breaking force of the whole steel wire rope is not influenced, the service life is also prolonged, the fatigue resistance is further improved due to the increase of the oil storage capacity, the inter-strand friction buffering impact force can be effectively reduced by filling the fiber strand, the breaking force of the whole steel wire rope is improved, the contact area between each steel wire in the steel wire rope and equipment is increased, and the purpose of prolonging the service life of the steel wire rope is achieved.

The invention discloses a casting process for high abrasion-resistant and dust-resistant cylinder sleeve suitable for western area. The cylinder sleeve comprises 3.0-3.3% of C, 2.1-2.4% of Si, 0.8-1.1% of Mn, 0.1-0.2% of P, 0.02-0.08% of S, 0.35-0.45% of Ti, 0.2-0.4% of Sb, 0.8-1.1% of Cu, 0.25-0.35% of Cr and 90.62-92.38% of Fe. The casting process for the cylinder sleeve comprises the following steps of firstly processing Ti and Sb into synthetic particles with the diameter of 2-3 mm for use; mixing the alloy according to proportions and melting; adding the synthetic particles when a melting temperature reaches 1,550 DEG C; purifying for 6 minutes after the particles are added; then carrying out twice inoculations, firstly inoculating a nucleating agent in a large ladle and then inoculating in a casting ladle, wherein a casting temperature is 1,350 DEG C-1,320 DEG C; a casting speed is 2 kg/s; a cooling intensity is water-cooled 120 seconds; putting a blank with a temperature of about 600 DEG C into a solution for quenching; and transferring a metallographic structure of the cylinder sleeve into a lower bainite. The cylinder sleeve can increase usage performance and abrasion performance of the engine, prolongs service life, reduces energy consumption, improves exhaust quality of the engine and protects natural environment.

A column type hydraulic tappet includes a housing; a plunger correspondingly installed in the housing; and a high pressure chamber for a hydraulic medium formed between the bottom face of the plunger and the bottom of the housing and is sealed by a check valve opening toward the high pressure chamber. The housing includes an external circumferential groove on the outer diameter for passing the hydraulic medium and an inner circumferential groove on the inner diameter for passing the hydraulic medium. One or more housing oil holes are disposed between the outer circumferential groove and the inner circumferential groove. The plunger includes a sealed hemisphere head portion, a shaft portion and a body portion. An indent neck portion between the head and shaft portions of the plunger has a wall thickness 105%-120% of the wall thickness of the other portions of the plunger.