3646 results about "Oil storage" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses a transformer breathing state digital online monitoring system. Comprising a respirator online monitoring module used for collecting respirator working condition parameters, an oil conservator online monitoring module used for collecting oil conservator working condition parameters, a data collection and communication module used for receiving and transmitting the respirator and oil conservator working condition parameters, and a local processing and display module used for data processing and monitoring result displaying. And the remote management platform is used for remotely checking a monitoring result and adjusting parameters in the local processing and display module. According to the invention, comprehensive, real-time and quantitative monitoring can be carried out on the breathing state of the transformer and the internal state of the oil conservator, so that operation and maintenance personnel can intuitively and accurately master the operation state of equipment, regular maintenance is converted into predictive maintenance, the reliability, stability and economical efficiency of the operation of the transformer are remarkably improved, and the service life of the equipment is prolonged.

The invention discloses a nitrogen shock absorber and a shock absorption method thereof, and relates to the technical field of shock absorbers, the nitrogen shock absorber comprises an oil storage barrel, a piston rod, a lower connecting seat, an upper connecting seat, a central fixing pipe, a piston valve system assembly and a compression hydraulic buffer assembly; the piston rod is slidably connected with the oil reservoir; the lower connecting seat is fixed at one end of the piston rod; the upper connecting seat is mounted at one end of the oil storage cylinder, and a compression hydraulic buffer regulating valve system assembly, a compression high-low speed regulating valve system assembly and a nitrogen cylinder are mounted on the upper connecting seat; the center fixing pipe is fixed to the end, located in the oil storage barrel, of the piston rod. The piston valve system assembly is fixed to the outer wall of the center fixing pipe and divides the interior of the oil storage barrel into a recovery cavity and a compression cavity. The compression hydraulic buffering assembly comprises a hydraulic buffering rod, and the hydraulic buffering rod is communicated with the compression hydraulic buffering adjusting valve system assembly. The performance of the compression hydraulic buffering system is improved, the hydraulic buffering stroke is increased, and the purpose of progressive damping hydraulic buffering is achieved.

The utility model relates to the technical field of polyester staple fiber spinning oil injection, and discloses a low-melting-point polyester staple fiber spinning oil injection device. The device comprises a base, an equipment box is fixedly installed at the top of the base, a feeding port is formed in the surface of the equipment box, an oil storage tank is fixedly installed at the top of the equipment box, a first motor is fixedly installed at the top of the oil storage tank, and two rotating columns are rotationally installed in the oil storage tank; a plurality of stirring fan blades are fixedly connected to the two rotating columns, the first motor is in transmission connection with the two rotating columns, and two oil sprayers are slidably mounted in the equipment box. When the device sprays oil to fibers, oil can be uniformly sprayed on the surfaces of the fibers, and the softness, antistatic property and the like of the fibers are improved, so that the quality of finished fibers is improved, the production efficiency is improved, the waste and loss of the oil can be reduced, and the production cost is saved.

The invention discloses a sealed type safe anti-explosion mining transformer, and belongs to the technical field of transformers. Comprising a machine shell, fins are distributed on the outer wall of the machine shell, a collecting box is fixed to the machine shell, a circulating oil pump is fixedly installed in the collecting box, an oil storage tank is arranged in the collecting box, an oil outlet tank is fixed in the collecting box and connected with the oil outlet end of the circulating oil pump, a filter cartridge is fixedly installed in the oil outlet tank, and the oil storage tank is connected with an oil outlet pipe. The oil outlet pipe is connected with a backflow pipe extending into the oil outlet tank, the backflow pipe is rotationally connected with a back-flushing block located on the inner side of the filter cartridge, the back-flushing block is provided with a back-flushing groove facing the inner wall of the filter cartridge, and one-way valves are arranged in the oil outlet pipe and the backflow pipe. The sealed type safe anti-explosion mining transformer has the beneficial effects that through the arrangement of the oil storage tank, when oil in the machine shell expands at high temperature, and the pressure in the machine shell is increased, the oil is pumped out of the machine shell and then enters the oil storage tank, and the pressure in the machine shell is reduced.

The invention relates to a control method for improving EDT roller texturing efficiency and high-surface automobile aluminum plate oil storage amount. The control method comprises the steps that (1) a single-rack cold rolling mill is adopted; (2) carrying out roller surface treatment by adopting an electrode electric spark roller grinder, wherein the roughness Ra of a working roller before roughening is less than or equal to 0.4 mu m; the roughness Ra after EDT roughening is equal to 1.95 to 2.2 [mu] m; (3) a single-rack cold rolling mill is adopted for production, the rolling oil temperature is 35 + / -5 DEG C, and the rolling oil pressure is 6.0-9.0 bar; (4) an air cushion type continuous annealing line is adopted for cleaning and solid solution aging treatment; (5) carrying out surface appearance and pit size measurement on the prepared aluminum plate by adopting a 3D optical microscope; and (6) the manufactured aluminum plate is measured through a 3D non-contact optical contourgraph. By means of the method, the requirements for the surface roughness Ra and Rpc of the automobile sheet can be met, the downstream stamping cracking risk and the corrosion spot defect caused by the too large surface pit diameter are reduced, the better high-surface automobile sheet, the higher aluminum sheet surface oil storage amount and the lower friction coefficient can be obtained, and the EDT roller texturing working time can be saved.

The invention discloses a mixed waste plastic recovery and conversion reaction system which comprises a waste plastic raw material bin, a spiral feeder, a reaction furnace, a combustion chamber, a condensing device and an oil storage tank. The reaction furnace is sequentially provided with a feeding end, a reaction area and a discharging end, the reaction area comprises a plurality of reaction sections which are connected in series, the reaction sections are sequentially and continuously arranged along the length of a furnace body, and each reaction section is provided with a temperature control device which is independently opened and closed; the discharging end is communicated with a condensing device, and the condensing device is provided with a condensed kerosene outlet and a non-condensed pyrolysis gas outlet; the non-condensing pyrolysis gas outlet is divided into two paths, one path is communicated with the reaction furnace, and the other path is communicated with the combustion chamber. According to the invention, multiple reaction sections are combined and connected in series, multiple reaction mode combinations are provided, and high-value aviation kerosene can be produced. According to the invention, dechlorination can be effectively carried out before pyrolysis, and equipment corrosion, catalyst poisoning, secondary pollution and the like are prevented; according to the invention, the non-condensed gas is recovered for hydrogenation upgrading of products and self-heating of the system, so that energy is saved.

The shell is provided with a first bearing chamber, a second bearing chamber, an oil storage area, a first oil hole and a second oil hole, the first oil hole is communicated with the oil storage area and the first bearing chamber, and the second oil hole is communicated with the oil storage area and the second bearing chamber. An amount of oil flowing to the first bearing chamber via the oil storage region is different from an amount of oil flowing to the second bearing chamber via the oil storage region. Different kinds of lubricating oil can be distributed to the first bearing chamber and the second bearing chamber by reasonably designing the oil quantity of the lubricating oil distributed to the first bearing chamber and the second bearing chamber by the oil storage area. On one hand, the situation that lubricating oil is wasted due to the fact that the amount of the lubricating oil flowing to the first bearing chamber and / or the second bearing chamber is large can be effectively avoided; and on the other hand, the situation that the bearing arranged in the first bearing chamber and / or the second bearing chamber is abraded due to the fact that the amount of lubricating oil flowing to the first bearing chamber and / or the second bearing chamber is small can be avoided.

The utility model provides a multi-point oil supply lubricating device for a bearing of a phase modifier. The multi-point oil supply lubricating device comprises an oil storage and supply box body, an oil supply access pipe, three oil pumps, three groups of oil supply branch pipe assemblies and an adjusting and mounting protection frame, an oil supply access pipe is arranged at the top of the oil storage and supply tank body, three oil pumps are fixedly mounted on the oil storage and supply tank body, and the three oil pumps are connected with the three oil supply branch pipe assemblies correspondingly and used for extracting lubricating oil in the oil storage and supply tank body and independently conveying the lubricating oil to the corresponding oil supply branch pipe assemblies for fixed-point oil supply; one side of the top of the oil storage and supply tank body is provided with an adjusting and mounting protection frame capable of adjusting the positions of the three groups of oil supply branch pipe assemblies and protecting the three groups of oil supply branch pipe assemblies; and the adjusting and mounting protection frame comprises a mounting plate mounted on the oil storage and supply tank body and three protection pipe frames capable of adjusting the height and respectively penetrating through the three groups of oil supply branch pipe assemblies. Three paths of relatively independent oil supply structures can be formed, and a high-temperature protection effect can be achieved on the branch pipe part, close to the bearing part of the phase modifier, of the oil supply branch pipe assembly.

The utility model relates to the technical field of oil storage structures, in particular to an oil storage structure of an oil-immersed transformer, which comprises a transformer outer protection body, a fixing column is fixedly connected to one side of an inner cavity of the transformer outer protection body, and a filter screen is arranged in an inner cavity of the fixing column. The self-cleaning oil tank has the advantages of filtering injected oil and self-cleaning a filtering structure, and ensures that the oil entering the oil tank is always kept clean through the cooperative use of the fixed column, the filter screen, the linkage telescopic rod, the connecting rod, the moving rod, the fixed block, the rack, the fixed frame, the supporting table, the motor, the rotating rod and the gear; therefore, pollutants are prevented from affecting the heat exchange and insulation performance of oil, the service life of the transformer is effectively prolonged, the safety in the using process is improved, the filter screen can be automatically cleaned, when impurities are gradually accumulated on the inner side and the outer side of the filter screen, the formed pressure difference is gradually increased along with time until the preset threshold value is reached, and the service life of the transformer is prolonged. At the moment, the backwashing process is automatically started.

The invention discloses a portable automatic mining flame-proof grease gun, and belongs to the technical field of mining mechanical equipment lubricating tools. Comprising a battery cavity, a motor is fixedly connected to the interior of the battery cavity, the output end of the motor penetrates to the left side of the battery cavity and is fixedly connected with a speed reducer, an oil storage cavity is fixedly connected to the upper surface of the battery cavity, and an oil injection mechanism is jointly clamped to the left side of the oil storage cavity and the left side of the speed reducer; the output end of the oil storage cavity is in threaded connection with an angle adjusting disc; according to the portable automatic mining explosion-proof grease gun, through the multi-structure collaborative design, the efficiency and safety of the grease injection operation of mining equipment are greatly improved. From the aspect of operation convenience, the equipment is provided with a lifting handle and a soft cushion, an operator can easily move and stably place the equipment, multiple persons do not need to carry the equipment cooperatively, and the equipment is adaptive to complex and narrow operation space in a mine; and in the automation level, the motor and the speed reducer are combined to realize automatic power transmission.

The atomization device comprises a first shell, a second shell, an oil storage assembly, an atomization core assembly, a communication assembly, a first regulation and control assembly and a second regulation and control assembly, the second shell is detachably connected with the first shell, the oil storage assembly is located in the first shell, the oil storage assembly is provided with an oil outlet, and the atomization core assembly is located in the first regulation and control assembly. The atomizing core assembly is located in the first shell and provided with an oil inlet. The communicating assembly is located in the first shell and communicates between the oil outlet and the oil inlet. The first regulation and control assembly is located in the first shell and used for controlling the communicating state of the oil outlet and the oil inlet. And the second regulation and control assembly is located in the second shell, when the second regulation and control assembly is in the first operation state, the second regulation and control assembly controls the first regulation and control assembly to enable the oil outlet to communicate with the oil inlet, and when the second regulation and control assembly is in the second operation state, the second regulation and control assembly controls the first regulation and control assembly to block the space between the oil outlet and the oil inlet.

The invention belongs to the technical field of engineering machinery, and particularly relates to a damping device, in particular to a nitrogen spring score cylinder and a working method thereof. The nitrogen spring score cylinder comprises a piston rod, a piston rod, a piston rod and a piston rod, the two sealing pieces are arranged in sealing grooves in the outer wall of the piston rod, and the outer walls of the sealing pieces abut against the inner wall of the cylinder body; the oil storage piece is arranged on the outer wall of the piston rod in a sleeving mode and located between the two sealing pieces; the two linkage adjusting pieces are located on the two sides of the oil storage piece respectively and correspond to the sealing pieces respectively; when the piston rod moves leftwards, the linkage adjusting piece located on the right side of the oil storage piece moves rightwards to extrude the sealing piece on the right side to expand outwards and deform. When the piston rod moves rightwards, the linkage adjusting piece located on the left side of the oil storage piece moves leftwards to extrude the sealing piece on the left side to expand outwards and deform; when the linkage adjusting piece moves outwards relative to the oil storage piece, the grease in the oil storage piece moves outwards along with the linkage adjusting piece so that the grease can drip to the outer wall of the piston rod.

The invention discloses a two-way servo electro-hydraulic pump device and a control method thereof, and belongs to the technical field of servo electro-hydraulic pump devices.The two-way servo electro-hydraulic pump device comprises a driving mechanism and a pump shell, a closed multifunctional cavity is formed in the pump shell, and the multifunctional cavity is provided with a two-way oil pump assembly; meanwhile, the cavity serves as a working oil storage cavity, a leaked oil recovery cavity and an oil suction cavity of the pump; in the pump shell and / or the hole channel connecting piece connected with the pump shell in a fastening mode, through holes and / or the combination of the through holes and the valve pieces form a built-in oil way. The multifunctional cavity is formed in the pump shell, the built-in oil way is arranged in the pump shell and used for communicating the multifunctional cavity, the inlet and outlet of the two-way oil pump assembly and the hydraulic executing mechanism, the main oil way is formed in the pump shell and / or the body of the hole channel connecting piece, external pipelines and independent valve blocks can be reduced, the connecting length and the number of sealing interfaces are reduced, and the service life is prolonged. Therefore, the leakage risk and the assembly complexity are reduced.

The invention discloses a design method of a lightweight offshore booster station diesel generator system, and belongs to the technical field of offshore booster station design. Comprising the steps of determining an island operation mode of the offshore booster station; under the island operation mode of the offshore booster station, calculating the calculated load of a diesel generator in a diesel generator system, the rated capacity of an oil storage tank, the size of a diesel engine room and the size between diesel tanks; calculating the rated power of the diesel generator; determining an arrangement mode between the diesel engine room and the diesel tank; according to the rated capacity of the oil storage tank, the rated power of the diesel generator and the arrangement mode between the diesel engine room and the diesel tank, the design result of the lightweight offshore booster station diesel generator system is obtained. The island operation mode can be determined, the rated power of the diesel generator can be accurately calculated, the capacity of the oil storage tank can be accurately calculated, the size between the diesel engine room and the diesel tank and the equipment arrangement scheme are optimized, and the reliability, economy and space utilization rate of the system are improved.

The invention discloses an electromagnetic heating device for an oil storage barrel, and belongs to the technical field of heating devices. The oil storage barrel electromagnetic heating device comprises a heating mechanism and a main body, the heating mechanism comprises a base, a heating chamber and a fixing column, a heating sleeve is fixedly installed at the upper end of the base, the heating chamber is arranged in the heating sleeve, and the upper end and the lower end of the heating chamber are connected with the upper end and the lower end of the interior of the heating sleeve correspondingly; a heating core is rotationally sleeved with the heating chamber, a plurality of spiral fins are fixedly installed on the outer side of the heating core and are arranged in the circumferential direction of the axis of the heating core, the fixing column is arranged in the heating core, and the top end of the fixing column is connected with the top end of the interior of the heating chamber; the main body comprises a bottom frame, and an electromagnetic heater is fixedly mounted on one side of the upper end of the bottom frame, so that the practicability of the electromagnetic heating device for the oil storage barrel can be effectively improved, and the electromagnetic heating device has high practical value.