588 results about "Oil distribution" patented technology

The invention belongs to the technical field of oil and gas reservoir energy development, and discloses a three-dimensional injection and production well pattern construction method based on a multi-objective algorithm. The problem that the delimited potential area is difficult to effectively use due to the fact that existing potential evaluation is only based on a single index is effectively solved. Comprising the steps that a fault inner core, a fault outer core, a fracture development dense zone and a secondary fracture zone are proposed; carrying out inter-well connectivity analysis on the oil reservoir units by utilizing an oil reservoir engineering method and a numerical simulation streamline method; based on the embedded discrete fracture model, analyzing a remaining oil distribution mode under the control of the nuclear band structure; a multi-parameter comprehensive evaluation system is constructed by combining the remaining oil utilization potential, the displacement power, the flow capacity, the connectivity relation and the reserve abundance; a three-dimensional injection-production well pattern construction technology is formed for an oil reservoir with or without bottom water; based on a multi-objective optimization algorithm, three-dimensional collaborative optimization of the recovery ratio, the well control reserves and the net present value is taken as a core, and a high-efficiency well location deployment technology for different fault zones is constructed.

The invention discloses a residual oil quantitative evaluation method and device, a medium and computing equipment. The method comprises the steps that a ship bottom type remaining oil distribution mode of the homogeneous thin layer bottom water reservoir is determined; obtaining the strong water flooding radius under various bottom water thicknesses in the double-high development stage; obtaining quantitative expressions of remaining oil enrichment areas under various bottom water thicknesses; and obtaining the weak water flooding thickness H of each position of the oil reservoir. The residual oil quantitative evaluation method comprises the following steps: establishing a standard model under different bottom water thicknesses by acquiring strong water flooding radiuses under various bottom water thicknesses in a double-high development stage, and determining a classified bottom water reservoir mixed source displacement mode; aiming at the difficulty in shaping and quantitative description of'ship bottom type 'residual oil, positioning of a potential enrichment area is carried out based on water logging interpretation of a passing well, and rapid quantitative expression of the residual potential area is realized by acquiring quantitative expressions of the residual oil enrichment area under various bottom water thicknesses, so that a reliable basis is provided for accurate potential tapping of residual oil in a double-high stage; and the process is simple and efficient.

The invention discloses an axial ring lower lubricating structure and an aero-engine with the axial ring lower lubricating structure. The axial ring lower lubricating structure comprises a switching oil distribution device, a connecting bearing arranged on the outer circle of the switching oil distribution device and a plurality of oil supply nozzles. The first end of the switching oil distribution device is provided with an oil distribution cavity, the spline section behind the first end of the switching oil distribution device is provided with an inner spline, and an inclined oil conveying channel set and an axial oil conveying channel set are further arranged in the spline section. The oil supply nozzles are used for spraying lubricating oil into the oil distribution cavities, and the oil distribution cavities are used for distributing the lubricating oil so that the lubricating oil can correspondingly enter the oblique oil conveying channel set and the axial oil conveying channel set under the rotating centrifugal effect, and the lubricating oil in the oblique oil conveying channel set can continue to enter the connecting bearing for lubrication under the rotating centrifugal effect. And lubricating oil in the axial oil conveying channel group continues to enter the inner spline for lubrication under the rotating centrifugal effect. According to the structure, the whole lubricating oil system is compact in flow path structure, high in reliability, high in lubricating efficiency and high in function integration degree, and the lubricating and cooling problems of high-DN-value bearings and splines of aero-engines are effectively solved.

The invention discloses a remaining oil distribution prediction method and system, a control device and a storage medium, and the method comprises the steps: obtaining a multi-scale fusion feature vector according to wide-area apparent resistivity data, seismic attribute data, optical fiber time sequence signal data, nano tracer tracking data and pore network point cloud data, inputting a physical constraint neural network to obtain a residual oil saturation initial value and a pressure gradient initial value of each region of the target layer, wherein a loss function comprises data fitting item loss, Darcy law physical constraint loss and mass conservation constraint loss; the real-time water content and the bottomhole flowing pressure of the production well serve as observation data, and a static parameter correction value, a remaining oil saturation correction value and a pressure gradient correction value are obtained through correction based on an ensemble Kalman filtering algorithm; the static parameter correction value and the pressure gradient correction value are fed back to a physical constraint neural network for loss function updating; and determining a remaining oil distribution result of the target layer. According to the invention, the accuracy and timeliness of residual oil distribution prediction can be improved.

The invention relates to the technical field of mechanical hydraulic pressure, in particular to a low-pulsation plunger pump with a dynamic variable flow distribution pre-compression angle, the low-pulsation plunger pump with the dynamic variable flow distribution pre-compression angle comprises a plunger pump, a shell and an adjusting piece, the plunger pump is fixedly connected with the shell, an oil distribution cover is fixedly connected in the shell, the oil distribution cover is rotatably connected with a flow distribution plate, and the flow distribution plate is fixedly connected with the shell. A blocking piece is fixedly connected to the surface of the valve plate, a groove is formed in the surface of the oil distribution cover, a push rod is slidably connected into the groove, the blocking piece is connected with the push rod in an inserted mode, the push rod is elastically connected with a limiting plate, the limiting plate is in threaded connection with the adjusting piece through a screw rod, and an oil return opening is formed in the groove and communicated with the interior of the shell. The valve plate has the beneficial effects that in a dynamic balance state, the elastic force of the spring and the hydraulic force are balanced in real time, so that the pre-compression angle is automatically adjusted along with the pressure of the oil discharge kidney-shaped hole, and the pressure transition process is always in an optimal state, so that the valve plate can adapt to the working condition change, and the flow pulsation is effectively inhibited and optimized.

The oil separation structure comprises an oil separation cavity, a driving unit, a connecting unit and a separation unit, the driving unit, the connecting unit and the separation unit are arranged in the oil separation cavity, the driving unit is arranged on the connecting unit and can drive the connecting unit to rotate, and the separation unit is arranged on the connecting unit and can rotate along with the connecting unit; the oil separation cavity is provided with an air inlet, an oil-gas mixture enables the driving unit to rotate through the air inlet, then the separation unit is driven to rotate through the connecting unit, and the separation unit can act on the oil-gas mixture when rotating. The high-speed active rotation of the separation unit provides continuous and strong centrifugal force, so that the centrifugal effect required by oil-gas separation is remarkably enhanced and stabilized, the problems of insufficient centrifugal force and limited separation efficiency caused by the fact that a traditional oil separation pipe only depends on the rotation speed of fluid are solved, the oil-gas separation efficiency is greatly improved, and the service life of the oil-gas separator is prolonged. The low oil content of exhaust gas of the compressor is ensured, and the normal operation performance of an air conditioning system is maintained.

A transfer case includes a mainshaft, an oil distribution device, and a lubricating pump, with the lubricating pump having a pumpshaft offset from the axis of the mainshaft. The transfer case includes a rear housing in which the lubricating pump housing is disposed in radially offset location, where lubricating oil is drawn via suction to the pump housing from a sump at the bottom of the transfer case. The pump pressurizes the oil and delivers the oil via passageways extending between the radially offset pump and the oil distribution device, which surrounds the mainshaft. The passageways may be provided in a manifold block that is fixed to the housing. The manifold block may provide an anti-rotation feature to the oil distribution device, such that drag on the oil distribution device caused by rotation of the mainshaft is counteracted.

The utility model discloses a double-cone oil cavity structure of a high-rotating-speed diaphragm compressor. The double-cone oil cavity structure comprises a cylinder cover and a supporting assembly. The cylinder cover is installed on the supporting assembly, a diaphragm and an oil distribution disc are arranged between the supporting assembly and the cylinder cover, a first oil cavity is formed between the supporting assembly and the bottom of the oil distribution disc, the oil distribution disc is provided with an oil outlet channel, the bottom of the oil distribution disc is provided with a first conical protruding part, a piston hole is formed in the supporting assembly, and a piston is arranged in the piston hole. The top of the piston is in a second cone shape, and the first cone shape and the second cone shape are oppositely arranged. The top of the piston is in the second cone shape, and the first cone-shaped protruding part is arranged at the bottom of the oil distribution disc, so that when the piston moves from a lower dead center to an upper dead center, hydraulic oil can be guided to flow in the first oil cavity in the radial direction, impact of the hydraulic oil on the oil distribution disc is reduced, flow loss of the hydraulic oil is reduced, and the service life of the hydraulic oil is prolonged. Therefore, the cavitation phenomenon is prevented.

The utility model discloses a rapid industrial lubricating oil distribution device, which belongs to the technical field of lubricating oil and comprises a bottom plate, a protection box fixedly connected to the left side of the top of the bottom plate, a second motor fixedly mounted at the bottom of an inner cavity of the protection box, a rotating rod fixedly connected to the output end of the second motor, and a rotating disc fixedly connected to the top of the rotating rod. An L-shaped frame is fixedly connected to one side of the top of the rotary disc, an electric sliding rail is fixedly connected to one side of the L-shaped frame, a sliding table is slidably connected to the inner wall of the electric sliding rail, and a distribution cylinder is fixedly connected to one end of the sliding table. The electric push rod drives the piston plate to move downwards, in the moving process of the piston plate, the intensity of pressure in the distribution cylinder can be increased, lubricating oil can be output from the bottom of the distribution cylinder under the action of the pressure and falls on the surface of a workpiece needing to be lubricated, meanwhile, the amount of the output lubricating oil is read in real time through scales, and the lubricating oil can be accurately output. The condition that the lubricating oil is output too much or too little is prevented, and the purpose of quantitative distribution is achieved.

The invention relates to the technical field of artificial intelligence prediction and oilfield development, and discloses a residual oil distribution prediction method based on geological data, comprising the following steps: step 1, acquiring geological data and production data of a target area at n moments; step 2, preprocessing the data obtained in the step 1, and then performing feature extraction and fusion to obtain a fused feature vector; step 3, using an improved XGBoost and convolutional neural network fused hybrid model as a prediction model, and constructing the prediction model; 4, verifying and optimizing a prediction result of the prediction model, and predicting the distribution of the remaining oil through the prediction model; according to the method, the permeability is corrected in the process of obtaining the geological data and the production data of the target area through the first step, the second step and the third step, so that the accuracy of the data is improved, a data foundation is laid for follow-up prediction of the remaining oil distribution, and the remaining oil distribution is better predicted.

An oil supply system, has: an oil tank; a closed-loop oil circuit including a component, a pump having a pump inlet and a pump outlet, and a de-aerator; a make-up flow conduit connecting the oil tank to the closed-loop oil circuit; a make-up pump connected to the closed-loop oil circuit; a recirculation conduit in parallel to the make-up pump and bypassing the make-up pump; a fixed orifice fluidly connected to the make-up flow conduit upstream of the closed-loop oil circuit and downstream of the recirculation conduit, the fixed orifice having an area selected to increase a pressure at an outlet of the make-up pump above a pressure at the de-aerator inlet; and a metering orifice connected on the recirculation conduit and having a flow circulating area selected to reduce a flow rate inputted into the closed-loop oil circuit below a flow rate generated by the make-up pump.

An oil distribution system for an internal combustion engine valvetrain includes a rocker arm base member and a base plate. The rocker arm base member includes a distribution slot disposed into a base lower surface, a plurality of receiving holes extending from a sidewall and / or from the base upper surface of the rocker arm base member into the distribution slot, and a plurality of oil distribution holes passing from the distribution slot through the base upper surface. The base plate being configured to cover at least a portion of the base lower surface including at least a portion of the distribution slot. In operation, the distribution slot receives oil from the plurality of oil receiving holes, passes at least a first portion of the oil to the plurality of oil distribution holes, and the plurality of oil distribution holes discharge at least a second portion of the oil past a base upper surface to provide lubrication to a portion of a rocker arm or other valvetrain components.

The invention discloses degreasing equipment of an air-floating oil-water separator. The degreasing equipment of the air-floating oil-water separator comprises a tank body, a tank cover, a cyclone and a bubble generator, a liquid collecting barrel is arranged in the tank body, and a guide plate which is spirally arranged inwards is arranged in the tank body; the guide plate is at least used for guiding the flowing direction of sewage; the flow guide part comprises a slag solidification part and an oil separation part; an oil scraping component is arranged on the tank cover corresponding to the oil separating part; the oil scraping assembly comprises a guide rail and a sliding assembly; the guide rail comprises an oil scraping part and a reset part, and the extension direction of the oil scraping part is collinear with the inner spiral line of the oil distribution part; the tank cover is correspondingly provided with a protruding block, the distance between the lower end and the higher end of the protruding block is 7-13 cm, the sliding assembly comprises an oil scraping plate, and the oil scraping plate can extend into an oil layer of the air floatation tank by at least 5 cm along with fluctuation of the protruding block. The degreasing equipment of the air-floating oil-water separator has the effect of improving the separation efficiency reduction caused by too long coexistence time of oil layers and water layers.

The invention provides a well pattern deployment method based on differential remaining oil distribution in the late period of oil reservoir development, which comprises the following steps: S1, acquiring data of remaining oil space distribution characteristics, S2, calculating the remaining oil reserve distribution of an oil reservoir plane, S3, dividing an oil reservoir into irregular injection-production units with balanced reserves, S4, performing well position deployment of a production well and a water injection well, and S5, performing well position deployment of the production well and the water injection well. And S5, establishing a whole-region injection-production parameter configuration calculation method. According to the method, 3D fine geologic model grid unit data is converted into representation calculation of 2D plane grid units, on the basis of considering underground remaining oil distribution characteristics and according to the seepage mechanics principle, a universal method for determining the infilled well position is formed, and a new technical support is provided for the later period of oil reservoir development.

The invention relates to the technical field of spraying processes, and discloses an accurate oil distribution method and system for matte spraying, and the method comprises the steps: collecting data through a spectrum analyzer, a color difference meter and an environment temperature and humidity sensor, carrying out the dimension reduction of high-dimensional data to construct a spectral feature vector, and predicting an initial oil distribution ratio through a multi-layer perceptron model; a spraying process rheological characteristic coupling model is constructed based on a measurement result of a dynamic rheometer, oil distribution and spraying parameters are optimized by adopting an improved particle swarm optimization algorithm, and finally, real-time feedback control is realized through a fuzzy PID (Proportion Integration Differentiation) controller. The system comprises a data acquisition module, an oil distribution prediction module, a coupling modeling module, an optimization module and a real-time control module, and all the modules work cooperatively to achieve full-process automation. According to the invention, the precision of matte spraying oil distribution is improved, the environmental adaptability is enhanced, the process synergy is optimized, and the product quality stability and the production efficiency are improved.

The invention relates to an exploitation optimization design method for a high-water-content small reservoir in high-porosity, high-permeability and strong-edge water, and belongs to the technical field of oilfield development. According to the injection-production scheme optimization design method for the strong-edge-water small oil reservoir, numerical simulation is utilized, on the basis of oil reservoir remaining oil distribution characteristic research, through numerical simulation optimization of water injection and polymer injection, the simulation result shows that by means of the injection-production scheme, the recovery efficiency can be effectively improved, the advancing speed of edge water can be restrained, the water-free oil production period of an oil well can be prolonged, and the oil recovery efficiency can be improved. And finally, the oil reservoir recovery efficiency is improved, and a basis and guidance are provided for potential tapping of the remaining oil of the high-porosity, high-permeability and strong-edge-water oil reservoir in the middle-high water content later stage. Wherein the polymer flooding has the effects of controlling the mobility ratio, adjusting the water absorption profile and the like. An injection-production scheme capable of improving the recovery efficiency is provided for the high-water-content small oil reservoir in the high-porosity high-permeability strong-edge water, and technical reference is provided for other oil reservoirs of the same type.

The invention discloses a lubricating structure for a front integrated type wind power gear box and the wind power gear box, relates to the technical field of wind power gear boxes, and aims to solve the technical problem of lubrication failure caused by large deformation of floating parts of the front integrated type gear box in the prior art. In the lubricating structure for the front integrated wind power gear box, lubricating oil is pumped into an oil inlet of a bearing cover, the oil inlet is connected to an inlet hole of an oil distribution ring through a first oil way, the lubricating oil flows into an interlayer of a hollow pipe through the oil inlet hole, and the hollow pipe is in clearance fit with the inner side of the oil distribution ring; when lubricating oil flows into an interlayer of the hollow pipe, namely the second oil way, all oil can reach an outlet of the second oil way through the annular structure, the outlet of the second oil way is communicated with the oil distribution flange, and the lubricating oil enters an inner hole of the oil distribution flange, namely the third oil way through the oil hole until reaching an unblocked outlet. The fourth oil way is all internal oil ways from the planet carrier to gear lubrication, an inlet of the fourth oil way is communicated with an outlet of the third oil way, and lubricating oil enters from the outlet to reach a gear lubrication point.

The invention relates to the technical field of hydraulic system components, and discloses a high-pressure large-flow rotary oil distribution device which comprises a stator, a rotor, an oil distribution mandrel and a cam ring, the stator is provided with an oil inlet / outlet channel and a radial oil distribution cavity, and a plunger is arranged in the oil distribution cavity; the oil distribution mandrel is provided with two oil through holes which are perpendicular in the radial direction, and the front end gear is in meshing transmission with the fluted disc of the rotor. When the rotor rotates, the fluted disc drives the oil distribution mandrel to rotate accurately, the oil through hole periodically switches on and off of an oil way, the contour surface of the cam ring abuts against the tail end of the plunger to drive the plunger to reciprocate in the oil distribution cavity, and accurate matching of oil distribution action and power transmission is achieved. According to the device, a plurality of oil distribution mandrels are dispersed for bearing, so that the oil distribution mandrels can be designed in a small diameter, the influence of thermal expansion is effectively reduced, the problems of high-pressure leakage, clamping stagnation, low efficiency and the like of an existing device are solved by cooperating with gear synchronous transmission, the device can adapt to different power scenes, the high-pressure large-flow oil distribution requirement is met, the oil distribution efficiency is improved, the service life is prolonged, and the maintenance cost is reduced.

The invention discloses a surface texturing bearing lean oil state lubricating oil distribution prediction method and system, and relates to the field of cylindrical roller bearing surface texturing, and the method comprises the steps: extracting a fluid domain from 1 / n of a simplified geometric model; the fluid domain is subjected to unstructured grid division and then imported into FLUENT software, a lubricating oil density cloud picture and a speed vector diagram in a lean oil state are obtained through the software, and then the oil flow density and the speed distribution condition of an inner raceway contact area of the cylindrical roller bearing containing the surface texture are obtained; and utilizing finite element software to perform fluid-solid coupling on the fluid domain subjected to unstructured mesh division and 1 / n of the simplified geometric model to obtain the oil film thickness of the surface texture, and further obtaining the oil film thickness distribution condition of the surface texture. According to the method, the oil flow density distribution and speed distribution condition of the inner raceway contact area of the cylindrical roller bearing containing the surface texture can be predicted, and the oil film thickness distribution condition of the surface texture can be predicted.

The embodiment of the invention provides a horizontal type primary-secondary exchange workbench. The horizontal type primary-secondary exchange workbench comprises a workbench base; the working table mother disc is connected with the working table base through a special rotary table bearing; the working table sub-disc is connected with the working table mother disc through a zero point positioning system; the power transmission system is connected with the workbench mother disc and provides a power source; the brake system is connected with the workbench mother disc and provides brake force; the angle feedback system comprises an encoder fixing seat and an angle transmission flange, the encoder fixing seat is connected with the workbench base, the angle transmission flange is connected with an oil way distribution inner ring, and the oil way distribution inner ring is connected with the workbench mother disc; and the oil path and gas path butt joint system is arranged between the workbench base and the workbench mother disc. The power transmission system selects a proper transmission structure according to specific working conditions, the angle feedback system monitors the rotating angle of a workbench mother disc in real time through an angle encoder, and full-closed-loop control is achieved through matched use of a high-precision angle encoder and a bearing special for a rotary table.

The invention discloses a partition leakage detection structure of a diaphragm compressor, and relates to the technical field of diaphragm compressors. The sealing effect between the diaphragm and the cylinder cover is enhanced, leakage of the gas side diaphragm, leakage of the oil side diaphragm and leakage of diaphragm breakage can be detected respectively, and false alarm of diaphragm breakage is avoided. The leakage detection structure comprises an embedded membrane head structure and a leakage detection structure. The embedded membrane head structure comprises a gas side membrane head, an oil side membrane head, an oil distribution disc and a membrane; the leakage detection structure comprises a gas leakage detection device, a hydraulic oil leakage detection device and a diaphragm rupture detection device; a gas leakage detection channel is formed in the gas side film head; a first hydraulic oil leakage detection channel is formed in the oil distribution disc; a second hydraulic oil leakage detection channel is formed in the oil side film head; a hydraulic oil leakage detection device is arranged at an outlet of the second hydraulic oil leakage detection channel; a diaphragm rupture detection opening is formed in the oil side diaphragm head; and a diaphragm rupture detection device is arranged at the diaphragm rupture detection port.

The invention provides an air conditioner constant-temperature oil return control method, device and system and an industrial control cabinet air conditioner, and relates to the technical field of air conditioner control. The method comprises the steps that state parameters of a compressor of a target air conditioner are obtained; wherein the state parameters comprise thermodynamic parameters and frequency conversion parameters, the thermodynamic parameters comprise the exhaust temperature and the suction temperature, and the frequency conversion parameters comprise the rotation speed ratio and the torque ratio; based on a pre-constructed total oil state evaluation model and the state parameters of the compressor, the oil distribution state of the compressor is determined; wherein the total oil state evaluation model is constructed based on thermodynamic parameter factors, frequency conversion parameter factors and the rotating speed of the compressor; state prediction and cosine correction are carried out based on the oil liquid distribution state of the compressor, and the change trend of oil liquid is obtained; and the opening degree of the electronic expansion valve, the rotating speed of the fan and the rotating speed of the compressor are adjusted based on the change trend of the oil and the distribution state of the oil. According to the invention, the oil liquid distribution uniformity can be improved.

The invention relates to the technical field of air conditioners, in particular to an oil return control method and device of an air conditioner, the air conditioner and a storage medium. Pipeline parameters of a refrigerant connecting pipeline in the air conditioner are detected, and the retention amount of lubricating oil in a target connecting pipeline is predicted through a preset lubricating oil distribution prediction model; and then the air conditioner is controlled to execute the corresponding oil return operation according to the lubricating oil retention amount, normal operation of the air conditioner is prevented from being affected, the use experience of a user using the air conditioner is not affected, and the technical problem that in the prior art, when the air conditioner returns oil, the air conditioner possibly conflicts with the current operation mode of the air conditioner, and the use experience of the user is affected is solved.

The utility model discloses a sensing type emulsion driving system which comprises a box body arranged in a mine, a driving mechanism used for forming an emulsion driving structure, a lubricating mechanism used for forming a lubricating oil distribution structure and a monitoring mechanism used for forming a combined monitoring structure, the driving mechanism is arranged on one side of the interior of the box body, the lubricating mechanism is assembled on one side, far away from the driving mechanism, of the interior of the box body, and the monitoring mechanism is arranged on the driving mechanism and the lubricating mechanism. The lubricating system is guaranteed to run stably, the use safety of the lubricating system is guaranteed, automatic lubrication on multiple devices at fixed time, fixed point and fixed quantity is achieved, a monitoring mechanism is arranged, and a pressure sensor, a weighing sensor, a grease sensor and a proximity switch are matched to detect the residual amount of lubricating grease and the working state of the lubricating system in real time, so that the working efficiency is improved. And potential safety hazards are reduced.

This invention relates to the field of feed preparation technology, and discloses a low-temperature oil spraying machine and control method for feed. The low-temperature oil spraying machine includes: a housing with an input pipe on the upper side for feeding conditioned material and an output pipe on the lower side for discharging material to the puffing stage; a pressing assembly including a drive assembly and two laterally spaced pressing cylinders, the radial direction of which forms a material passage; the drive assembly driving the two pressing cylinders to rotate downwards in opposite directions to press the material and drive it into the output pipe; and an oil spraying assembly including an oil spraying pipe and a temperature control assembly controlling the temperature of the oil in the spraying pipe to 40℃~60℃; the spraying pipe is equipped with nozzles that spray oil towards the peripheral wall of the pressing cylinders. Low-temperature oil spraying after conditioning and before puffing significantly improves the uniformity of oil distribution and adhesion, enhances the water resistance and stability of aquatic feed, and preserves the nutrients and flavor of the oil, greatly improving the nutritional value of the feed.

The application discloses a kind of aviation hydraulic pump swash plate additional angle and oil distribution plate matching design method, by changing the size of oil window of oil distribution plate and the size of unloading groove (6) on oil window, make oil distribution plate and swash plate additional angle match;Swash plate swing angle is recorded as α, swash plate additional angle is recorded as β, the waist-shaped hole of aviation hydraulic pump rotor is recorded as l, and the radius of waist-shaped hole distribution circle of rotor is recorded as R;According to the right-hand rule, establish basic coordinate system, define the plane through swash plate rotation axis (5) and parallel to swash plate plane as swash plate reference surface, with the main shaft axis of aviation hydraulic pump as x axis, the main shaft axis of aviation hydraulic pump extends from head to tail as the positive direction of x axis, with swash plate rotation axis as y axis, determine Z axis.The application has the advantages of improving the functional performance of hydraulic pump.

A multi-station sheep skin pulling machine and a processing method thereof, the multi-station sheep skin pulling machine comprising: a base provided with a middle column, the middle column comprising a base plate and a middle stand, and a rotating oil distribution disc being installed on the middle stand; a plurality of stands are uniformly installed on the outer edge of the base plate, and a sliding mechanism is arranged on each stand; an inner track is installed at the top end of the middle stand; an outer track is arranged corresponding to the inner track and connected with a suspension beam through an outer track support; a control track comprises a track support and a control plate, the track support is installed on the outer track support, and the control plate is installed on the track support and controls the opening and closing of a hydraulic valve; and a skin rolling device is installed on the sliding mechanism, the skin rolling device comprising a driving mechanism, a skin rolling roller and a skin rolling transmission mechanism, the skin rolling roller being connected with the driving mechanism through the skin rolling transmission mechanism, and the skin rolling transmission mechanism being used for controlling the opening and closing of the skin rolling roller. The application also provides a processing method of the multi-station sheep skin pulling machine.

The invention relates to the technical field of feed preparation, and discloses a feed low-temperature oil spraying machine and a control method.The feed low-temperature oil spraying machine comprises a box body, an oil spraying device and a control system, the upper side of the box body is provided with an input pipe for inputting conditioned materials, and the lower side of the box body is provided with an output pipe for outputting the materials for puffing; the material pressing assembly comprises a driving assembly and two material pressing cylinders which are transversely arranged in a spaced mode, a material passing channel is formed in the radial direction of the two material pressing cylinders, and the driving assembly is used for driving the two material pressing cylinders to rotate downwards and reversely so as to abut against the materials and drive the materials to flow into the output pipe; the oil spraying assembly comprises an oil spraying pipe and a temperature control assembly for controlling the temperature of the grease in the oil spraying pipe to be 40-60 DEG C, and the oil spraying pipe is provided with a spraying head for spraying the grease towards the peripheral wall of the material pressing barrel. Low-temperature oil spraying is performed after tempering and before puffing, so that the distribution uniformity and adhesion firmness of grease are remarkably improved, the water resistance and water stability of the aquatic feed are enhanced, the nutrition and flavor of the grease are reserved by a low-temperature process, and the nutritional value of the feed is greatly improved.

The present application relates to the technical field of glue production, in particular to an environmentally-friendly glue preparation device for children's picture book production and a process thereof, comprising a stirring tank and a stirring part arranged inside the stirring tank, the stirring part is internally provided with a heat conduction part for uniformly heating the glue in the tank for stirring, an oil temperature machine is installed outside the stirring tank for supplying heat oil to the heat conduction part; the stirring part comprises a heat insulation cylinder and a plurality of stirring pipes; the heat conduction part comprises a pair of oil pipes, a pair of oil inlet pipes, a pair of oil return pipes and an oil distribution sleeve, the two oil pipes are U-shaped pipes and are vertically arranged inside the heat insulation cylinder, a plurality of U-shaped oil distribution pipes are vertically inserted into one side wall of the oil pipes, and the oil distribution pipes are sleeved with the stirring pipes. In the present application, the oil distribution pipes are embedded in the stirring pipes, the heat oil is distributed into the rotating stirring pipes through the oil distribution sleeve, the heat is radially diffused, a rotating heat conduction system is formed to complete dynamic uniform heating, and the effect of eliminating local overheating and eliminating the phenomenon of local continuous decomposition of the glue is achieved.

The utility model relates to the technical field of steering engines, in particular to a steering engine pressing block with an oil storage cavity, which comprises a pressing block body, an oil inlet arranged in the center of a boss at the upper end of the pressing block body, a central groove arranged in the center of an arc surface at the lower end of the pressing block body, and a plurality of oil outlets arranged on the arc surface at the lower end of the pressing block body. The pressing block body is internally provided with an oil storage cavity, the upper end of the oil storage cavity is communicated with the oil inlet, the lower portion of the oil storage cavity is divided into a plurality of oil distribution branches, the number of the oil distribution branches is the same as that of the oil outlets, and the end of each oil distribution branch is communicated with the corresponding oil outlet. Compared with the prior art, the oil storage cavity communicated with the oil inlet and the oil outlet is additionally arranged in the pressing block body, grease can be stored conveniently, meanwhile, the grease is evenly distributed on the contact face of the pressing block and a rack, the lubricating effect is better achieved, the friction characteristic between the pressing block and the rack is improved, the movement process of the rack is smoother, and the service life of the rack is prolonged. And pause in the movement process is avoided.