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4952 results about "Oil storage" patented technology

Oil Storage refers to tanks or terminals (a group of tanks) used to store produced oil above or below ground. OIL STORAGE. Oil storage is part of the midstream sector of the oil industry.

Damping-adjustable composite damping system for textile printing and dyeing equipment

The invention relates to the technical field of damping and shock absorption, in particular to a damping-adjustable composite shock absorption system for textile printing and dyeing equipment, which comprises a bottom plate and a top plate, a first shock absorption unit and a movable plate are mounted between the bottom plate and the top plate, and a first buffer spring is fixedly connected between the top plate and the movable plate; a second damping unit is installed between the movable plate and the bottom plate. During damping, vibration is buffered through telescopic deformation of a first buffer spring and a second buffer spring, oil liquid is pushed to flow in backflow oil pipes through vertical movement of a first piston rod, vibration energy is consumed through friction force between the oil liquid and the backflow oil pipes, and vibration of a machine body is restrained; the different backflow oil pipes are switched to be communicated with the oil storage cavity through the switching mechanism, the longer the backflow oil pipes are, the larger the on-way resistance when oil passes through the backflow oil pipes is, the higher the damping force is, and the damping device can be conveniently installed on textile printing and dyeing equipment with different vibration intensities for damping.
Owner:福建恒捷实业有限公司

Oil storage tank oil-water interface measuring system and method and storage medium

The invention discloses an oil storage tank oil-water interface measurement system and method and a storage medium, and relates to the technical field of oil-water interface measurement, and the system comprises a data acquisition module, a data processing module, a decision support module and a data security module. According to the oil-water interface measuring system and method for the oil storage tank and the storage medium, a three-dimensional sensing network (distributed sensor network) is constructed by adopting a pressure sensor array and phased array ultrasonic scanning technology and combining dielectric property detection of a microwave dielectric constant sensor; the pressure, the dielectric constant, the liquid level and the vibration data in the tank body are obtained, basic data are provided for subsequent processing, the comprehensiveness of data obtaining can be improved through the sensing network, the pressure data are dynamically calibrated through Takagi-Sugeno fuzzy logic, the influence of temperature drift is effectively eliminated, and the accuracy of data obtaining is improved. The ultrasonic signals are subjected to feature enhancement through the generative adversarial network, and the emulsion layer boundary is accurately recognized.
Owner:SHAANXI ZHONGYITAI ENERGY TECH CO LTD

Shale oil pyrolysis adsorption oil and free oil correction method based on nuclear magnetic experiment

The invention provides a shale oil pyrolysis adsorption oil and free oil correction method based on a nuclear magnetic experiment, and belongs to the field of exploration and development of unconventional oil and gas fields. According to the method, on the basis of a shale rock physical experiment and a shale nuclear magnetic resonance experiment, the occurrence space and content of adsorbed oil are determined by using multi-state nuclear magnetic resonance experiments such as original sample, saturated oil, washing oil and different temperatures, so that a nuclear magnetic adsorbed oil model is constructed, and the content of the adsorbed oil is determined by further combining a different-temperature-order parallel crushed sample lithologic pyrolysis experiment-nuclear magnetic combined measurement experiment. The content of the free oil and the content of the adsorbed oil are calculated through the two-dimensional nuclear magnetism T1-T2 spectrum semaphore, the content of the free oil and the content of the adsorbed oil are compared and analyzed, the difference between the nuclear magnetism adsorbed oil and the pyrolysis adsorbed oil is matched with a free hydrocarbon curve to achieve adsorbed oil correction, and the free oil and the adsorbed oil are obtained.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Crossed roller bearing and isolation block

A crossed roller bearing and an isolation block belong to the technical field of bearings, and are characterized in that oil storage holes are respectively formed in the centers of contact surfaces of two rollers; the four vertical surfaces are respectively provided with a guide oil groove, and the guide oil grooves extend and penetrate through the whole thickness of the corresponding vertical surfaces; and an included angle is formed between the extending direction of the guide oil groove and the central axis of the isolation block, so that a pumping effect is generated when the roller rotates, and lubricating grease is promoted to flow in the guide oil groove. The internal grease storage space of the bearing is optimized, and the internal lubrication state is greatly improved.
Owner:CCTY BEARING COMPANY

Underground water seepage analysis and prediction method based on physical-data cooperative driving

The invention discloses an underground water seepage analysis and prediction method based on physical-data cooperative driving, and belongs to the field of underground water seepage, and the method comprises the following steps: establishing a hydrogeological numerical model, carrying out seepage simulation calculation, and carrying out comparison verification with field monitoring data to realize accurate mapping; meanwhile, a machine learning data set is constructed by utilizing a numerical simulation result, a prediction model based on a Stacking integrated learning structure is established in combination with field data of a construction roadway, a water curtain layer and an oil storage cavern layer, and the water seepage amount or the underground water level after excavation of a rock mass in front of a tunnel face is predicted by taking geological, hydrological and construction parameters as input. According to the method, a physical mechanism and data driving are fused, the prediction precision and interpretability are remarkably improved, and a scientific basis is provided for cave depot project grouting and excavation optimization.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

High-strength low-friction retainer formed by high-pressure casting

The high-strength low-friction retainer formed through high-pressure casting comprises a retainer body, the retainer body comprises two arc-shaped sections and a plurality of window beams connected with the two arc-shaped sections, window holes for containing rolling bodies are formed between the adjacent window beams, and the sides, away from the window holes, of the window beams located at the two ends of the retainer body are provided with inward concave faces. And the inner concave surfaces of the two adjacent retainer main bodies are oppositely arranged to form an oil accommodating gap, so that the oil storage space in the bearing is obviously increased. According to the retainer, sufficient lubricating oil is guaranteed between the rolling body and the retainer main bodies and between the retainer main bodies, more effective heat dissipation is further facilitated, the design of the inner concave faces reduces the direct contact area between the adjacent retainer main bodies compared with a straight face, and therefore friction and abrasion between the retainer main bodies are reduced, and the service life of the retainer main bodies is prolonged. And the overall performance and stability of the bearing are improved.
Owner:SHANDONG GOLDEN EMPIRE PRECISION MACHINERY TECH CO LTD

Obstacle remover for train track

The invention relates to the technical field of train track obstacle clearance devices, in particular to an obstacle clearance device for a train track, which comprises two mounting parts and an oil storage mechanism mounted at the bottoms of the two mounting parts, and two groups of driving mechanisms are mounted at the bottom of the oil storage mechanism; wherein a grinding mechanism abutting against a pair of rails is installed in one driving mechanism, two sets of walking wheels roll on the two rails, a motor vehicle drives the walking wheels to roll on the rails, and at the moment, due to the fact that a connecting base is slidably connected to a sliding rod, and a rotating connecting rod between the connecting base and the walking wheels is eccentrically arranged, the motor vehicle drives the walking wheels to roll on the rails; and when the two walking wheels on the left side roll on the rail, eccentric rotation of the connecting rods is achieved, the connecting bases further move left and right on the sliding rods, finally, grinding assemblies at the bottoms of the two connecting shells on the left side grind the surface of the rail, stable running of train wheels is facilitated, friction force and shaking are reduced, and the service life of the rail is prolonged.
Owner:JINGJIANG CITY AOXIANG TRAFFIC EQUIP MFG CO LTD

Shaft sealing structure and motor

The invention provides a shaft sealing structure and a motor. The shaft sealing structure comprises a rotating shaft and an end cover, the rotating shaft comprises a shaft extension section, a shaft hole is formed in the end cover, the shaft extension section extends out of the shaft hole, and a groove is formed in the peripheral wall of the shaft extension section; a first sealing ring is arranged at the shaft hole and extends in the axial direction of the shaft extension section; in the radial direction of the shaft extension section, part of the wall body of the first sealing ring is located in the groove, and a first oil storage cavity is formed between the groove and the first sealing ring. Through the cooperation between the first sealing ring and the peripheral wall of the shaft extension section and the oil storage chamber structure formed by embedding part of the wall body of the first sealing ring into the groove of the shaft extension section, water vapor, dust and other impurities in the external environment can be effectively prevented from entering the motor through a gap between the shaft hole and the shaft extension section.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI +1

Spline housing cold heading forming equipment

The invention relates to spline housing cold heading forming equipment, and relates to the technical field of spline housing machining equipment, the spline housing cold heading forming equipment comprises a workbench, a fixed die holder mounted on the workbench and a movable die holder matched with the fixed die holder, and further comprises a demolding mechanism mounted on the workbench and used for demolding a formed spline housing; the demolding mechanism comprises a driving box installed on the workbench, a lifting assembly installed in the driving box and used for driving the fixed mold base to vertically move, a first threaded rod driven by the lifting assembly to rotate, and an oil storage box installed in the driving box. The driving and conveying assembly is driven by the first threaded rod and sprays lubricating oil stored in the oil storage tank to the fixed mold base and the spline housing; and the overturning assembly is mounted in the driving box and is used for driving the fixed mold base to overturn when the fixed mold base vertically moves. The spline housing demolding device has the effect that indentation and deformation cannot be caused to the surface when the spline housing is demolded.
Owner:NINGBO QINGXI METAL INTELLIGENT TECH CO LTD

Transformer oil tank

The invention discloses a transformer oil tank, and relates to the technical field of power transformers, the transformer oil tank comprises an oil tank body and a plurality of groups of fin mechanisms, and each group of fin mechanism comprises radiating fins with cavities formed inside. The cooling fins with the cavities are arranged on the outer side of the oil tank body, the slidable adjusting plate and the driving assembly are matched, the effective oil storage volume of the cooling fins can be flexibly adjusted according to the environment temperature, the maximum cooling area is guaranteed in the non-low-temperature environment so that efficient cooling can be achieved, the cooling contact area is reduced in the low-temperature environment, and the service life of the oil tank is prolonged. Wax precipitation and viscosity increase caused by excessive cooling of the cooling oil are avoided, so that the insulating property and the circulating fluidity of the cooling oil are maintained, the circulating stirring mechanism can promote efficient circulation of the cooling oil between the oil tank and the fins under driving of the driving mechanism, and the heat dissipation efficiency is further improved; the problems of heat dissipation and insulation performance of the oil-immersed transformer in a low-temperature environment are effectively solved, and the operation reliability and environmental adaptability of equipment are improved.
Owner:HEBEI WANBO ELECTRICAL APPLIANCES CO LTD

Intelligent early warning method, system, equipment and medium for speed regulator oil pressing device of hydropower station

The invention discloses an intelligent early warning method, system, equipment and medium for a speed regulator oil pressing device of a hydropower station, and belongs to the technical field of intelligent early warning of speed regulators of hydropower stations. Calculating the total oil amount of the oil pressing system according to the liquid level data and the cross sectional area of the corresponding oil storage equipment; recording the change data of the total oil amount in the monitoring period to form an oil amount historical curve; comparing the total oil amount change of the current time period with an oil amount historical curve; when the reduction of the total oil amount in the current time period relative to the reference value of the oil amount historical curve exceeds a judgment threshold value, judging that an oil leakage condition exists and generating early warning information; wherein the judgment threshold values are respectively set according to different operation conditions of the speed regulator oil pressing device. According to the invention, the oil leakage condition of the hydropower station governor oil pressing device is accurately judged, the abnormal operation condition is timely identified, leakage and leakage are intelligently detected, and meanwhile, the accuracy and timeliness of early warning are improved.
Owner:GUIZHOU WUJIANG HYDROPOWER DEV +1

Oil storage tank body surface polishing treatment device

The invention discloses an oil storage tank body surface polishing treatment device, and relates to the technical field of tank body polishing, the oil storage tank surface polishing treatment device comprises a base and an oil storage tank, the base is provided with a plurality of rotating supports and auxiliary supports, the oil storage tank is placed between the rotating supports and the auxiliary supports, and the oil storage tank surface polishing treatment device further comprises a polishing assembly and a pressure monitoring mechanism; the polishing assembly and the pressure feedback mechanism are arranged on the two sides of the oil storage tank correspondingly. Pressure changes are monitored in real time through the pressure monitoring mechanism, the polishing condition of protrusions such as weld beading on the peripheral face of the oil storage tank can be accurately reflected, and therefore the polishing assembly is accurately shut down or the displacement mechanism continues to push the polishing assembly forwards, and the subsequent part of the oil storage tank is polished; and the problem of excessive polishing or insufficient polishing is avoided, accurate polishing treatment on the peripheral face of the oil storage tank is achieved, and the polishing effect is guaranteed.
Owner:GUANDONGFENDA

Metal part machining cold heading forming equipment and forming process thereof

The invention relates to the field of metal pressure machining, in particular to metal part machining cold heading forming equipment and a forming process thereof.The cold heading forming equipment comprises a cold heading machine body, a fixed die, a movable die, a supporting sleeve and an elastic film, and the fixed die and the movable die are arranged on the cold heading machine body in a face-to-face mode; the supporting sleeve is coaxially arranged at the end, close to the movable mold, of the fixed mold, the elastic film is coaxially arranged on the inner side of the supporting sleeve, the elastic film has elasticity and is in a tensioned conical barrel shape initially, the small end of the elastic film is connected with the fixed mold, and the large end of the elastic film is connected with the supporting sleeve so as to define an oil storage cavity with the supporting sleeve and the fixed mold. During forming, cooling lubricating oil in the oil storage cavity is extruded into the cavities of the fixed mold and the movable mold to provide lubricating cooling, after forming, the movable mold is far away from the fixed mold, negative pressure is formed between the movable mold and the fixed mold, and the cooling lubricating oil in the cavities is sucked out; extrusion lubrication and replacement of cooling lubricating oil can be completed once in each cold heading process, and the lubrication effect is improved.
Owner:ZHEJIANG FANGQUAN AUTOMOTIVE FASTENERS

Method and system for automatically adjusting temperature and humidity of biological oil and fat storage tank

The invention belongs to the technical field of adjusting systems of grease storage tanks, and particularly relates to an automatic temperature and humidity adjusting method and system for a biological grease storage tank, and the method comprises the steps: obtaining the operation data and the current oil temperature of storage tank conveying equipment, and constructing a rheological resistance index; an integral mechanism with time as the axis is established, the accumulated thermal stress of the grease in the whole life cycle is calculated according to the current oil temperature and the preset sampling period, and the accumulated thermal stress is used for representing the sum of thermal damage borne by the grease in the storage period; calculating a target temperature at the current moment based on the rheological resistance index and the accumulated thermal stress; and the environment relative humidity and the environment temperature are collected, environment coupling correction is carried out on the target temperature according to the environment relative humidity and the environment temperature, and closed-loop control is carried out on the storage tank by taking the corrected temperature as a final set value. According to the invention, the heating strategy can be adaptively adjusted according to the rheological resistance and accumulated thermal stress of grease, and active defense can be realized in a high-humidity environment.
Owner:LUOYANG HENGJIU BIOENERGY CO LTD +1

Variable damping double-valve shock absorber

The utility model discloses a variable damping double-valve shock absorber, which relates to the technical field of shock absorbers, and comprises a cylinder body, a guider arranged at one end of the cylinder body, a connecting block arranged at the other end of the cylinder body, and a piston assembly arranged in the cylinder body, the cylinder body comprises an inner cylinder, a middle cylinder and an outer cylinder which are sequentially arranged from inside to outside, a gap between the inner cylinder and the middle cylinder forms a transition cavity, a gap between the middle cylinder and the outer cylinder forms an oil storage chamber, and the transition cavity is communicated with the recovery chamber through an inner hole; the transition cavity is in one-way communication with the compression chamber through a recovery channel located on the connecting block, and a one-way valve and a recovery electromagnetic valve are arranged on the recovery channel. The compression chamber is in one-way communication with the transition cavity through a compression channel located on the connecting block, and a one-way valve and a compression electromagnetic valve are arranged on the compression channel. Due to the arrangement of the middle cylinder, connection of the double-valve restoring and compressing oil way and the electromagnetic valve is achieved, and the double-valve restoring and compressing device has the advantages of being lower in cost and simpler in structure.
Owner:MIANYANG FULIN PRECISION MACHINING

Oil pressure brake with double-sealing structure

An oil pressure brake with a double-sealing structure comprises a brake pump body, a brake handle and an oil pipe assembly. The brake pump body is provided with a pressure cylinder and an oil storage cylinder, a piston push rod assembly acted by the brake handle is arranged in the pressure cylinder, and the pressure cylinder is communicated with the oil storage cylinder through an oil pressure adjusting hole. The piston push rod assembly comprises a front piston rod and a rear piston rod, a pushing cavity is formed in the rear piston rod, and the front piston rod can enter the pushing cavity; the front piston rod is provided with an oil guide cavity and an oil overflow hole; the front piston rod is further sleeved with a one-way piston oil seal, the one-way piston oil seal abuts against the inner wall of the pressure cylinder, and the one-way piston oil seal is located on the front side of the oil overflow hole. The hydraulic brake has the advantages that a new oil way is formed through the oil guide cavity and the oil overflow hole formed in the front piston rod, so that only one oil pressure adjusting hole is reserved between the pressure cylinder and the oil storage cylinder, only one one-way piston oil seal is used on the piston push rod assembly, and the brake use function can be achieved.
Owner:NINGBO LEWIS SPORTS GOODS CO LTD

Oil Sprayer

Disclosed is an oil spray bottle, including an oil storage container, a shroud shell and an oil pumping module. In order to facilitate the pouring of oil into the oil storage container, the oil storage container is designed to be capable of being detached from the oil pumping module, the oil storage container is in threaded connection with the oil pumping module, that is, an external thread is formed at an opening of the oil storage container, and an inner thread is formed on an inner wall of the oil pumping module; and in order to hide the oil pumping module, improve its aesthetics and enable a user to hold the oil spray bottle easily, the shroud shell is fixed to an outside of the oil pumping module.
Owner:DONGGUAN JIHUI ELECTRONICS & PLASTICS PRODUCTS CO LTD

High-energy-consumption viscous damping device

The invention provides a high-energy-consumption viscous damping device. Relates to the technical field of building anti-seismic equipment, and comprises an upper plate body and a lower plate body, and a damping mechanism is arranged between the upper plate body and the lower plate body; the damping mechanism comprises an oil cylinder, a fixing plate is fixedly installed in the oil cylinder, a second sealing piece is arranged on one side of the fixing plate, a piston rod is arranged on the inner side of the oil cylinder in a sliding mode, a first piston is fixedly installed on the outer side of the piston rod, the first piston is matched with the oil cylinder, and the first piston is tightly attached to the inner wall of the oil cylinder. A plurality of oil storage cavities are formed in the two sides, away from the center position, of the inner wall of the oil cylinder, liquid guide grooves are formed in the inner wall of the oil cylinder, the oil storage cavities communicate with the inner side of the oil cylinder through the liquid guide grooves, an oil storage barrel is arranged on the outer side of the oil cylinder, and a connecting pipe is fixedly installed at one end of the oil storage barrel. The high-energy-consumption viscous damping device has the advantages of being convenient to install, good in anti-seismic and energy-absorbing effect and stable in damper performance.
Owner:SICHUAN RONGHAITONG SEISMIC TECH CO LTD

T-shaped rotor linear motor with self-lubricating function

The invention relates to the technical field of linear motors, in particular to a T-shaped mover linear motor with a self-lubricating function, which comprises a rack and a mover motor, a load platform is mounted at the top of the mover motor, and guide blocks which are symmetrically distributed are fixed on the inner wall of the load platform; guide grooves which are symmetrically distributed and matched with the guide blocks are formed in the side wall of the rack, oil storage cavities which are symmetrically distributed are formed in the load platform, oil outlet holes are formed in the guide blocks in a penetrating mode, one end of each oil outlet hole is communicated with the corresponding oil storage cavity, and an oil storage tank is arranged on one side of the rack and connected with an automatic oil supplementing mechanism. Wherein an oil supply mechanism is arranged in the oil storage cavity; according to the linear motor, in the reciprocating motion process of the rotor, the oil supply mechanism can continuously discharge the lubricant in the oil storage cavity from the oil outlet hole and uniformly smear the lubricant on the surface of the guide groove to achieve self-lubrication, the automatic oil supplementing mechanism automatically supplements the lubricant to the oil storage cavity, manual intervention is not needed in the whole process, and the stability and maintenance-free performance of equipment operation are remarkably improved.
Owner:SHEN ZHEN SAN YA TECH LTD CO

Intelligent electric chain crane based on self-lubrication and control system

The invention relates to the field of cranes, and provides a self-lubricating-based intelligent electric chain crane and control system.The self-lubricating-based intelligent electric chain crane comprises a machine body, a driving assembly and a chain wheel assembly which are connected, a chain is connected to the chain wheel assembly, a first bevel gear is fixedly connected to the chain wheel assembly, and a driving rod is rotationally connected to the inner wall of a machine cavity; an oil guide box, an oil storage box and a processing cylinder are fixedly connected to the inner wall of the machine cavity, the driven rod is rotationally connected to the oil guide box, a first one-way valve and a second one-way valve are connected to the inner wall of the oil guide box, and the oil storage box is fixedly connected with the oil guide box. The inner wall of the machine cavity is rotatably connected with a swing part through an automatic reset rotating shaft, the swing part is in rolling connection with a ball, the top wall of the treatment cylinder is slidably connected with two oil guide blocks, the oil guide blocks are connected with the inner wall of the machine cavity through elastic parts, and inclined plane parts are fixedly connected to the oil guide blocks. According to the chain self-lubricating device, the automatic avoiding function between the chain and a component is achieved, and meanwhile the chain self-lubricating function is achieved.
Owner:VITAL INT ELEVATORING EQUIP

Bearing with stable lubricating performance

The invention discloses a bearing with stable lubricating performance, and relates to the technical field of bearing devices, the bearing comprises a static bearing and a dynamic bearing, the static bearing comprises a shell and a porous oil storage bushing, a sealing ring is arranged on one side of the porous oil storage bushing, an oil supplementing mechanism is arranged on one side of the sealing ring, and an auxiliary ring is arranged on one side of the oil supplementing mechanism; a movable bearing is arranged in the porous oil storage bushing and comprises a shearing shaft sleeve, a shaft wheel and supporting frames, the shaft wheel is arranged on the outer wall of the shearing shaft sleeve, the supporting frames are arranged on the two sides of the shearing shaft sleeve, the shearing shaft sleeve and the porous oil storage bushing are combined through the supporting frames, and one side of the shearing shaft sleeve is connected with an oil supplementing mechanism. An oil scraping plate and an oil outlet hole are integrated by rotating an oil supplementing arm, so that dynamic lubrication supply and pore self-cleaning are realized; by adopting the non-Newtonian fluid lubricant, the viscosity is improved under high-speed shearing, and the stability of an oil film under extreme working conditions is enhanced; the connecting block enables the oil supplementing system and the bearing to rotate synchronously, and self-adjusting lubricating circulation is formed.
Owner:GUANGDONG ANANG INTELLIGENT MFG SUPPLY CHAIN TECH CO LTD

Motor stator injection molding and cooling structure

A motor stator injection molding and cooling structure of the present invention comprises a shell, a stator core and a flat wire conductor, the stator core is fixed on the inner wall of the shell, the flat wire conductor is inserted in the stator core, the two ends of the shell are provided with end sealing sleeves, and the end sealing sleeves, the inner wall of the shell and the end face of the stator core form an oil storage cavity. The shell is provided with an oil outlet hole at the oil storage cavity; an insulating framework is further arranged between the flat wire conductor and the stator iron core, the stator iron core is divided into at least two sections, a circumferential oil way is formed between the insulating framework at the joint of the adjacent stator iron cores and the shell, a circle of yoke oil way is further formed in the stator iron core, the circumferential oil way is communicated with the oil storage cavity through the yoke oil way, and an oil inlet hole is formed in the position, located at the circumferential oil way, of the shell; the insulating frameworks are further provided with groove bottom oil ways and groove opening oil ways, and radial oil ways communicated with the groove bottom oil ways and the groove opening oil ways are further arranged at the connecting positions of every two adjacent insulating frameworks. The structure is good in cooling effect, convenient to machine and produce and compact in overall structure.
Owner:FANGDE ZHIDU (SHANGHAI) MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD

Vertical roller end shaft sleeve lubricated by oil

The invention discloses an oil-lubricated vertical roller end shaft sleeve, and belongs to the technical field of transmission of metal rolling equipment. An inner cavity used for containing a roller flat head is formed in a shaft sleeve body of the shaft sleeve, an oil storage cavity is formed in the bottom of the inner cavity, an oil inlet hole is formed in the shaft sleeve body and communicated with the oil storage cavity, and a quick connector is arranged on the oil inlet hole. The lining plate is fixed to the inner cavity wall of the shaft sleeve body, the outer centering sleeve is fixed to the inserting end of the shaft sleeve body, and the inner centering sleeve is fixed to the connecting end of the shaft sleeve body. A first sealing groove for mounting a first oil seal is formed in the inner wall of the outer centering sleeve; a second sealing groove for mounting a second oil seal is formed in the inner wall of the inner centering sleeve; the lining plate is provided with a matching surface and a mounting surface opposite to the matching surface, the mounting surface is provided with an oil inlet groove extending to the lower end part, and the matching surface is provided with an oil storage groove; and the quick-plug connector, the oil storage cavity, the oil inlet groove, the oil storage groove, the inner cavity of the inner centering sleeve and the inner cavity of the outer centering sleeve form a closed oil way.
Owner:TAIER HEAVY INDUSTRY CO LTD

Aerospace engine directional blade tenon bottom surface grinding machine tool

The invention relates to the technical field of grinding machine tools, in particular to an airspace engine directional blade tenon bottom face grinding machine tool which comprises a clamping device for clamping a directional blade, a belt sander, a portal frame, a horizontal sliding system, a lifting mechanism and a cushion block arranged below a sanding belt. The cushion block provides rigid support for the abrasive belt, and an oil storage tank with an oil absorption roller is arranged above the cushion block for automatic lubrication. And the horizontal sliding system and the lifting mechanism on the portal frame drive the clamping device and the directional blade to realize feeding movement. The problem that abrasive belt suspended grinding is unstable is solved through rigid supporting and automatic lubricating, manual grinding is replaced with mechanical operation, and therefore the machining precision and efficiency of the tenon bottom face of the directional blade are remarkably improved, the rejection rate and the labor-hour cost are reduced, and reliable assembly of the directional blade and a wheel disc is guaranteed.
Owner:SHANGHAI WANZE PRECISION CASTING CO LTD

Upper brake pump with double oil seals and lateral pressure relief

A brake upper pump with double oil seals and lateral pressure relief comprises a brake pump body which is provided with a piston cavity and an oil storage cavity which are communicated with each other. The brake handle is in running fit with the brake pump body, and the brake handle is in transmission fit with the piston mechanism; the oil pipe assembly is communicated with the piston cavity; the piston mechanism comprises a piston body, a first oil seal and a second oil seal, the second oil seal is located on the front side of the first oil seal, and the effective oil pushing area S1 of the second oil seal is smaller than that of the first oil seal; the reset spring acts on the piston body; the pressure relief valve mechanism is mounted in the pressure relief cavity of the brake pump body; the piston cavity is at least provided with a large-diameter cavity section, a small-diameter cavity section and a variable-diameter cavity section, and the pressure relief cavity is communicated with the variable-diameter cavity section through a pressure relief channel. A large-small-diameter double-piston oil seal structure is adopted, the effect that the front section has a relatively large oil seal area and the rear section has a relatively small oil seal area is achieved, and the overall brake performance can be more linear.
Owner:NINGBO LEWIS SPORTS GOODS CO LTD

Rotating electrical atomizer to reduce stress

A rotating electrical atomizer to reduce stress includes a controlling mechanism, a reducing-stress mechanism, an atomizing mechanism, and an inhaling part; the controlling mechanism includes a supply assembly and a controlling assembly electrically connected to each other; the reducing-stress mechanism is connected to the controlling mechanism and includes a decompression ring and at least one bearings; the outer ring of the bearing is connected to the decompression ring; the decompression ring rotates with the bearing as a rotation center; the atomizing mechanism is connected to the reducing-stress mechanism and provided with an atomizing core and an oil storage room enclosing the atomizing core, the atomizing core is electrically connected to the controlling assembly; the inhaling part is connected to the atomizing mechanism, and the oil mist heated by the atomizing core is sprayed from the inhaling part.
Owner:DONGGUAN DEKE ELECTRONIC TECH CO LTD

Transmission shaft, driving assembly and vehicle

The utility model relates to a transmission shaft, a driving assembly and a vehicle, the transmission shaft comprises a shaft body, and the shaft body is of a cylindrical structure with an inner cavity; a first spline structure is arranged on the inner cavity wall of the shaft body in the circumferential direction, and the small diameter of the first spline structure is smaller than the diameter of the inner cavity wall. An oil blocking part is arranged on the inner cavity wall of the shaft body in the circumferential direction, the oil blocking part and the first spline structure are arranged at intervals in the axial direction of the shaft body, and an oil storage area is formed between the oil blocking part and the first spline structure. By arranging the oil blocking part in the inner cavity of the transmission shaft, a thick lubricating oil layer can be formed in an oil storage area, the amount of lubricating oil reaching a spline pair is increased, the lubricating effect on the spline pair is guaranteed, the situation that a spline structure is abraded in the high-speed operation process is reduced, and the service life is prolonged; and pollution to lubricating oil caused by metal filings generated by abrasion can be avoided.
Owner:SHANGHAI LIXIANG AUTOMOBILE CO LTD

Salt mine sediment gap petroleum and brine migration simulation and parameter optimization evaluation method

The invention discloses a salt mine sediment void petroleum and brine migration simulation and parameter optimization evaluation method, which comprises the following steps: obtaining physical characteristic parameters of salt mine sediment, petroleum and brine, the sediment parameters at least comprising void ratio and pore connectivity obtained through CT scanning; calculating an evaluation index based on a simulation result, and performing quantitative evaluation and feasibility screening on the migration process; if the optimal potential exists, parameter optimization and scheme iteration are further executed, and a simulation-evaluation-optimization closed loop is formed; and finally, checking the model through field test data. The method solves the problem that in the prior art, no means for simulating and evaluating the two-phase migration of the petroleum brine in the salt mine sediment gaps exist, the process can be quantitatively simulated, evaluated and optimized, and scientific, accurate and systematic technical support is provided for petroleum storage through the high-impurity salt mine sediment gaps.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Shock absorber, shock absorption method and vehicle

The invention discloses a shock absorber, a shock absorption method and a vehicle, and relates to the field of shock absorption devices. The shock absorber comprises an oil storage barrel. One end of the piston rod penetrates into the oil storage barrel from the open end of the oil storage barrel; the side wall of the piston rod and the opening of the oil storage barrel are sealed; an oil passing hole formed in the axial direction of the piston rod is formed in the piston rod; the main piston valve system is movably arranged in the oil storage barrel and divides the oil storage barrel into a first cavity and a second cavity, and the main piston valve system is fixedly connected with the end, located in the oil storage barrel, of the piston rod; one end of the nitrogen cylinder is connected with the end, away from the oil storage cylinder, of the piston rod through a connecting assembly. When the piston rod moves in the oil storage barrel in a reciprocating mode in the axial direction of the piston rod, part of oil in the oil storage barrel can be transferred between the first cavity and the second cavity through the main piston valve system, and the other part of oil in the oil storage barrel can be transferred between the first cavity and the nitrogen barrel through the oil hole. According to the shock absorber, the shock absorption method and the vehicle, the heat dissipation efficiency can be improved.
Owner:JIANGSU KOMAN SAITE SHOCK ABSORBER CO LTD +1