3931 results about "Oil tank" patented technology

The invention discloses a hydraulic system sealing test bench and a sealing performance test method, and belongs to the technical field of sealing performance detection, the test bench comprises a vibration device, a pressure control system, a sealing element installation device, a flow adjusting system and a micro leakage detection unit; a to-be-tested sealing element is installed in the sealing element installation device to form a sealing cavity, and the sealing cavity is communicated with the pressure control system, the flow adjusting system and the hydraulic oil tank through pipelines to form a closed hydraulic loop. The vibration device is arranged on the outer side of the sealing element mounting device and used for applying vibration loads, the pressure control system is used for providing and adjusting hydraulic pressure in the sealing cavity, the flow adjusting system is used for controlling the flowing speed and flow of a hydraulic medium, and the micro-leakage detection unit is arranged below the sealing element mounting device and used for detecting leakage of the sealing cavity. The method has the advantages of being high in test condition controllability, high in leakage detection sensitivity, wide in adaptability and high in test result engineering guidance.

The invention relates to the technical field of high-voltage commutation, and discloses a control method and system for a composite LC filter of a high-voltage converter station, and a storage medium. According to the method, on the basis of staggered solid / liquid-filled dielectric plates and series hollow inductors in a sealed oil tank, by obtaining a capacitance / inductance adjusting instruction, the filling and pumping volume and speed of insulating liquid and magnetic liquid are controlled according to the absolute value of an adjusting value, and continuous and accurate adjustment of the filtering frequency and reactive power is achieved. The method comprises multiple optimization: monitoring high fluctuation of liquid, synchronously filling, pumping and radiating, balancing efficiency and energy consumption according to an adjusting frequency adaptive circulation speed, and performing reverse linkage cooperative adjustment on a dielectric medium pump and a magnetic liquid pump; and magnetic liquid leakage and insulation abnormity are treated in stages, so that operation is guaranteed. The method solves a traditional adjustment dead zone, does not need a power electronic device, is low in cost, is small in loss, is adaptive to outdoors, and improves the electric energy quality and equipment safety of a converter station.

The invention discloses a self-adaptive test system and method for a hydraulic power unit, and the system comprises a test bench which is provided with a fixing tool for fixing the tested hydraulic power unit; the oil tank unit is arranged in the test bed and is used for supplying oil to and pumping oil from the tested hydraulic power unit; and the counterweight test unit is arranged in the test bench, the counterweight test unit comprises a counterweight module, and the counterweight module is connected with a working oil port of a tested hydraulic power unit through a first oil path. The device is simple in structure, directly simulates the real gravity load borne by the hydraulic execution mechanism through the counterweight module, and can accurately test the lifting and descending dynamic performance and the pressure maintaining internal leakage characteristic of the power unit under the load condition. The problems that a traditional back pressure method cannot truly simulate the gravity load, and descending speed control and energy recovery performance are difficult to evaluate are effectively solved.

The invention relates to the technical field of measurement and testing, in particular to a leakage detection method and system for transformer oil tank production, and the method comprises the steps: dividing a to-be-detected oil tank into a plurality of test regions; determining an ideal net pressure attenuation rate by using the average pressure drop rate, the pressure change rate corresponding to the temperature change and the volume change amount of the oil tank cavity in the target time period in the target test area; determining a pressure attenuation deviation degree by using the ideal net pressure attenuation rate and the actually measured net pressure attenuation rate; determining an acoustic activity weight by using the acoustic activity degree of the acoustic signal in the acoustic event and the background noise average energy of the plurality of test areas in the acoustic event; and determining a regional leakage comprehensive index by using the acoustic activity weight and the pressure attenuation deviation degree, and further determining the leakage detection condition of the oil tank by using the regional leakage comprehensive index. According to the technical scheme, the accuracy and reliability of leakage detection are effectively improved, environment temperature interference is effectively eliminated, and background noise changes are dynamically adapted.

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 gas treatment method and system based on pressure triggering and temperature feedback control, a medium and a product, and relates to the field of oil gas treatment. The method comprises the following steps: when a pressure value and an actual temperature of an oil tank meet trigger conditions, guiding oil gas in the oil tank into a condensation unit for condensation, liquefying preset high-boiling-point components in the oil gas into a liquid oil product, and adsorbing the condensed residual oil gas through a double-layer adsorption bed arranged in an adsorption tank in sequence; according to the temperature of the adsorption bed and the tail gas emission concentration, the saturation index is calculated through a composite saturation judgment algorithm, when adsorption is saturated, the vacuum pump is started to conduct vacuum desorption on the adsorption tank, oil gas adsorbed on the double-layer adsorption bed is desorbed, and the desorbed oil gas is circularly sent back to an inlet of the condensation unit to be subjected to secondary condensation liquefaction recovery. By implementing the technical scheme, oil gas can be effectively treated, and the oil gas recovery efficiency is improved.

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 technical field of waste gas treatment, and provides an oil tank waste gas adsorption treatment system and a control method. The anti-explosion variable-frequency induced draft fan is arranged on the main oil and gas pipeline; the flame arrester is arranged on the main oil and gas pipeline and located on the upstream of the air inlet direction of the anti-explosion variable-frequency induced draft fan; a gas inlet of the first activated carbon adsorption box is communicated with the main oil-gas pipeline, and a gas outlet of the first activated carbon adsorption box is communicated with a gas inlet of the second activated carbon adsorption box in series; the inlet pressure sensor is arranged at the air inlet end of the first activated carbon adsorption box; the outlet pressure sensor is arranged at the air outlet end of the second activated carbon adsorption box; the inlet valve is arranged at the air inlet end of the first activated carbon adsorption box, and the outlet valve is arranged at the air outlet end of the second activated carbon adsorption box. Through cooperation of series adsorption, active air induction and intelligent monitoring, multiple functions of efficient purification, safe operation and state early warning of the oil tank waste gas adsorption treatment system are achieved.

The utility model relates to the technical field of forage grass processing equipment, in particular to a chassis assembly of a collecting and bundling machine. Comprising a chassis frame, a lower bundling box, a hydraulic oil tank, a knotter connecting frame and a traction head, the chassis frame is horizontally arranged, the lower bundling box is of a rectangular frame box body structure, the lower bundling box is vertically arranged, the lower bundling box is vertically and fixedly connected to the upper portion of the rear end of the chassis frame, and the knotter connecting frame is fixedly connected to the lower bundling box; the hydraulic oil tank is fixedly connected to the front portion of the chassis frame, and the traction head is fixedly connected to the front end of the chassis frame and located in front of the hydraulic oil tank. The structure is compact, the length and the weight are moderate, the transportation cost and the manufacturing cost are reduced, the operation difficulty is reduced, and the operation efficiency is improved.

The utility model relates to the technical field of oil cooling motor structures capable of rapidly reducing oil temperature, and discloses an oil cooling motor structure capable of rapidly reducing oil temperature, which comprises a bottom plate and a motor main body, a rapid oil temperature reducing assembly is arranged at the top of the bottom plate, and the rapid oil temperature reducing assembly comprises an oil pump, a circulating pump, a fan frame and radiating fins. The oil pump is connected with an oil tank through an input pipe, the oil pump is connected with a cooling oil disc through an output pipe, and through the arrangement of the rapid oil temperature reducing assembly, a worker starts the oil pump, pumps cooling oil from the oil tank and injects the cooling oil into the cooling oil disc, the cooling oil disc is attached to the outer wall of the motor body, operation heat is absorbed, the motor is prevented from being overheated, and stable operation is guaranteed; the circulating pump pumps out hot oil from the cooling oil tray and feeds the hot oil into the heat dissipation pipe, the heat dissipation fins on the heat dissipation pipe increase the heat dissipation area and cooperate with the fan in the fan frame to accelerate heat dissipation, the cooled oil returns to the oil tank through the return pipe, efficient circulation of the cooling oil is achieved, and the motor is continuously cooled.

The utility model provides a Roots blower with a double-oil-pump circulating cooling device, which comprises a Roots blower main body and the double-oil-pump circulating cooling device, the Roots blower main body comprises an oil tank, a driving end wall plate and a non-driving end wall plate, and the double-oil-pump circulating cooling device comprises a first oil pump, a second oil pump and a cooler. The oil tank communicates with the first oil pump and the second oil pump, the first oil pump and the second oil pump are connected in parallel, and the rear ends of the first oil pump and the second oil pump are connected with the driving end oil pipe assembly, the gear end oil pipe assembly and the non-driving end oil pipe assembly correspondingly to lubricate and cool the driving end bearing, the non-driving end bearing, the driving gear and the driven gear correspondingly. The first oil pump and the second oil pump can independently operate to achieve circulating cooling of lubricating oil, when one oil pump breaks down, the other oil pump can be switched to operate in the non-stop state, and long-time stable operation of the air blower is guaranteed. The circulating cooling device can be widely applied to circulating cooling of the roots blower.

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.

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.

The invention belongs to the technical field of lifting tools, and particularly discloses a lifting device oil way system, a lifting device, a jack, a pressing machine and a crane. The oil way system of the lifting device comprises a lifting oil cylinder, an oil tank, a first oil inlet way, a second oil inlet way and an oil return pipeline, the first oil inlet path is an oil inlet path of the gear pump assembly; and the second oil inlet path is an oil inlet path of the plunger pump assembly. When the lifting device is in the no-load or low-pressure condition, the gear pump assembly can rapidly pump in much hydraulic oil with small pressure so that the lifting device can rapidly ascend or descend, the defect that in the prior art, the displacement speed of a hydraulic lifting pump is low under the no-load or low-pressure condition is overcome, and the user experience is improved; when the hydraulic lifting pump is in a high-pressure condition, the plunger pump assembly can pump high-pressure hydraulic oil into the lifting oil cylinder so that the lifting oil cylinder can ascend or descend slowly, the lifting device can move slowly, and the normal use requirement of a user is met.

The disclosure discloses an oil circuit system, a lifting device, an electric jack, a press, a crane, and a tire mounting / dismounting and transport apparatus. The oil circuit system comprises a lifting oil cylinder, the tank, the first oil feed line, the second oil feed line, the oil inlet / outlet line, the pressure relief line, the oil return line, the first valve, the second valve; the first oil feed line is the gear pump assembly oil feed line; and the second oil feed line is the plunger pump assembly oil feed line. Under no-load or low-pressure conditions of the lifting device, the gear pump assembly can quickly pump a larger volume of low-pressure hydraulic oil, enabling quick lifting or lowering of the lifting device. Under high-pressure conditions, the plunger pump assembly can quickly pump higher pressure hydraulic oil to the lifting oil cylinder to enable slow lifting or lowering.

An unmanned aerial vehicle vibration reduction support for geographical surveying and mapping relates to the technical field of geographical surveying and mapping unmanned aerial vehicles and comprises an unmanned aerial vehicle body, a surveying and mapping assembly is arranged on the unmanned aerial vehicle body, four connecting arms are evenly arranged on the side face, propellers are arranged at the tops of the connecting arms, and supporting legs are arranged at the bottoms of the connecting arms; the lower bottoms of the supporting legs are fixedly connected with a buffering support. The buffering support comprises an outer cylinder, a supporting rod and a footstand. The top of the outer cylinder is fixedly connected with the supporting leg, the lower portion of the outer cylinder is provided with an opening, the upper end of the supporting rod extends into the outer cylinder along the opening, the lower end of the supporting rod is connected with the footstand, the portion, extending into the outer cylinder, of the supporting rod is sleeved with a piston, the outer ring of the piston is in sliding fit with the inner wall of the outer cylinder, and the space between the top face of the piston and the outer cylinder is filled with hydraulic oil. The hydraulic oil communicates with a hydraulic oil tank located on the unmanned aerial vehicle body through the oil hole. A compression spring is arranged between the top face of the piston and the top of the inner cavity of the outer cylinder. And the speed that the compression spring is extruded or rebounded is reduced under the action of the hydraulic oil, so that the effect of stabilizing vibration reduction is achieved.

The application discloses a buoyancy adjusting and communication device for underwater AUV, which comprises a communication cabin body, an integrated antenna, an inner oil tank, an air bag, an air bag pressing ring, an air bag cabin body, a rear end cover, a pump valve gas path assembly, a pump valve oil path assembly, an outer oil tank assembly and the like. The communication cabin body is connected with an AUV pressure cabin body and is sealed through an O-shaped ring. The integrated antenna is installed on the communication cabin body and is sealed through an O-shaped ring, and is used for the communication function of the underwater AUV. The inner oil tank is fixed on the air bag cabin body, and the air bag is sleeved on the air bag cabin body and is tightly sealed through the air bag pressing ring. The pump valve gas path assembly is used for discharging the gas in the cabin to the air bag or sucking the gas in the air bag into the cabin, so as to change the buoyancy state of the AUV. The pump valve oil path assembly is used for discharging the hydraulic oil in the inner oil tank to the outer oil tank assembly or sucking the hydraulic oil in the outer oil tank assembly into the inner oil tank, so as to change the buoyancy state of the AUV.

The present invention discloses a dual accumulator oil passage system for a die casting machine, which belongs to the technical field of die casting machine control. The dual accumulator oil passage system includes an injection cylinder and an accumulator, and further includes a booster accumulator. The booster accumulator includes a booster chamber and an annular chamber. The booster chamber is connected to a rodless cavity of the injection cylinder. The accumulator is connected to the annular chamber of the booster accumulator via a first servo valve. The annular chamber is connected to an oil tank via a second servo valve. The rod-equipped cavity of the injection cylinder is connected to the oil tank via a third servo valve. In this technical solution, the first and second servo valves form an A-bridge control for the boost accumulator, and by controlling the pressure in the annular chamber of the boost accumulator, the magnitude of the boost injection force of the injection cylinder can be controlled. The third servo valve can control the oil discharge from the rod-equipped cavity of the injection cylinder, thereby controlling the injection speed of the injection cylinder. This technical solution can achieve accurate control of the injection speed and injection force by using only three servo valves.

An oil-immersed transformer includes an oil tank, an oil conservator located above the oil tank, a pressure balancing system, and a cooling system. The cooling system includes a heat dissipation plate assembly, two positioning tubes, a first connecting tube, and a second connecting tube. The inner space of the oil conservator and the inner channels of the two positioning tubes are connected through the first and second connecting tubes. The heat dissipation plate assembly includes a first heat dissipation seat, a second heat dissipation seat, two guide rods, and several sealing rings. The second heat dissipation seat slides on the first heat dissipation seat. The guide rods are installed on the second heat dissipation seat and inserted into the positioning tubes. The sealing rings are installed on the guide rods and sandwiched between the guide rods and the positioning tubes. The guide rods can be moved and adjusted on the positioning tubes. During operation, the pressure balancing system adjusts its state according to the oil level in the oil conservator, thereby using the air pressure in the oil conservator to adjust the position of the second heat dissipation seat. This invention effectively extends the transformer's lifespan, has strong practicality, and has significant potential for widespread application.

The invention belongs to the technical field of hydraulic system oil way purification, and discloses an oil way self-exhaust anti-overflow device which comprises a barrel-shaped separation cavity, the left side and the right side of the barrel-shaped separation cavity are communicated with an oil inlet pipe and an oil return tank pipe respectively, and an exhaust pipe is arranged at the top of the barrel-shaped separation cavity; a pair of flow guide hole plates which are symmetrically arranged are arranged in the middle of the barrel-shaped separation cavity in the left-right direction, inclined holes are formed in the flow guide hole plates, and the axes of the two inclined holes which are symmetrical in the left-right direction of the two flow guide hole plates intersect in a V shape. According to the oil way self-exhaust anti-overflow device, efficient bubble gathering is achieved through expansion speed reduction and inclined hole flow guide, oil liquid is prevented from overflowing, the problem of oil-gas mixed emission of a traditional exhaust device is solved, and the system stability is improved.

The utility model discloses a movable elbow blank bending die. The movable elbow blank bending die mainly comprises an upper die base, a female die plate, a lower die base, a cushion block, a male die plate and the like. A material pushing assembly and a lubricating assembly are arranged on the male die plate, and an oil pumping assembly in the lubricating assembly is in linkage with the upper die plate to achieve automatic oil pumping. The oil pumping assembly comprises a piston cylinder, a piston rod and the like, and lubricating oil can be accurately conveyed between a blank and a material pushing plate through a main oil channel and an auxiliary oil channel before bending. And the material pushing assembly pushes the formed part out of the convex mold plate through a guide column, a push plate and the like. In addition, the pushing plate is provided with an oil groove and an oil receiving groove, and the oil receiving groove can recycle lubricating oil to an oil tank for recycling. According to the die, through cooperation of all the assemblies, manual participation is reduced, efficient automatic lubricating and discharging are achieved, the production efficiency and the product quality are improved, the cost is reduced, and good practicability and economical efficiency are achieved.

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 invention relates to the technical field of scaffolds, in particular to a hydraulic jacking scaffold moving device which comprises a scaffold body and symmetrically-arranged supporting moving devices, and each supporting moving device comprises a fixing sleeve, an inclined rod, a hydraulic cylinder, a supporting cushion table, a manual valve, a pedal, auxiliary wheels, an oil tank and other components. The oil tank is connected with the hydraulic cylinder through a main oil pipe, the main oil pipe is connected with a manual valve in series, a rotary valve seat of the manual valve is fixedly connected with a pedal and a supporting rod which are perpendicular to each other, and an auxiliary wheel is arranged at the tail end of the supporting rod; an electromagnetic valve is arranged at the front end of the branch oil pipe on the main oil pipe, and an energy storage piston rod is connected with a pedal through a pull rope. During operation, the pedal is treaded to control opening and closing of the manual valve, auxiliary wheel supporting and action of the energy storage oil cylinder in a linkage mode, efficient switching between stable supporting and flexible moving of the scaffold is achieved, external power is not needed, and the scaffold is suitable for multiple construction scenes.

The application discloses a kind of key feature transformer health state detection systems, it is related to power equipment monitoring technical field, including: data acquisition module, data processing module, confidence calculation module, fault determination module and result output module;Data acquisition module synchronously acquires transformer oil tank surface vibration signal and neutral point direct current data;Data processing module calculates the phase difference of vibration signal and the coherence coefficient of vibration signal and direct current data;Confidence calculation module calculates mechanical fault confidence;Fault determination module judges whether mechanical fault confidence exceeds preset threshold, exceeds and then carries out winding loosening positioning processing, generates loosening coordinate;Otherwise, the multi-band resampling of vibration signal is carried out and the coherence coefficient data is recalculated;Result output module outputs loosening coordinate or interference warning signal;The application can improve the accuracy of transformer health state detection, ensure the reliability of fault positioning.

The invention discloses an oil tank liquid level real-time monitoring method and system based on an intelligent sensor, and the method comprises the following steps: S1, collecting and preprocessing oil tank liquid level data, and constructing a liquid level time sequence; s2, extracting a time sequence fragment in a sliding manner, analyzing a trend, calculating a change rate and an amplitude, and generating a trend feature vector; s3, constructing a prediction model for reasoning, performing transformation, gating and mapping on a result, and generating a trend prediction and abnormal probability sequence; s4, fusing the sequence to calculate a mean value and a standard deviation, and constructing a threshold value based on Z-score to identify an abnormal time step; s5, calculating an error between a predicted value and a reference value, and dynamically adjusting PID parameters to generate a control instruction; and S6, comparing predicted data with real-time data before control, and updating model parameters according to deviation. According to the method, intelligent sensor collection, BEMD decomposition, deep learning trend prediction and a PID control feedback mechanism are fused, and the prediction precision and the regulation response capability of oil tank liquid level monitoring are improved.

This invention discloses a metal waste recycling and processing device and its usage method, relating to the field of metal recycling technology. It includes a machine base, an installation box mounted on top of the machine base, a feeding hopper mounted on top of the installation box, a crusher installed inside the installation box, and two rollers rotatably mounted inside the crusher. A torque sensor is rotatably connected to the outer right end of the rear roller, and a high-torque motor is installed at the right end of the rear roller. An abutment block is installed on the outer side of both the front and rear rollers. This invention features an abutment block; when the hardness of the metal material is high, leading to increased roller torque and bearing friction, a pusher block drives the abutment block to press against the roller along a slide block, cooperating with the inner rollers to provide support force compensation for the roller, reducing relative bearing friction. When the pusher block moves upward, it simultaneously contacts the oil pusher plug, squeezing lubricating oil which is then delivered to the oil tank via a hose, achieving simultaneous support force compensation and lubrication protection.

Disclosed are an integrated device for multiphase extraction and tail gas and wastewater treatment and a control method therefor. The integrated device comprises at least one set of small multiphase extraction units connected to an extraction well, a reagent tank storing a solubilizing agent and an oxidizing agent, a resin adsorption tower, an oil-water separator, a photocatalytic reactor, an oil storage tank, a heating system for heating the reagent tank and the oil-water separator and providing high-temperature steam for the resin adsorption tower, and a controller, wherein the reagent tank is separately connected to the extraction well and the photocatalytic reactor. Each multiphase extraction unit comprises a gas-liquid separator, a water ring vacuum pump, and a jet pump, wherein an extracted gas-liquid mixture undergoes gas-liquid separation by means of the gas-liquid separator, a waste gas is conveyed to the resin adsorption tower by means of the water ring vacuum pump, waste liquid and an extracted oil-water mixture are respectively conveyed to the oil-water separator by means of the jet pump, wastewater is conveyed to the photocatalytic reactor, and waste oil is conveyed to the oil storage tank. The present invention effectively ensures the stability and high efficiency of removal while realizing miniaturization.

The utility model relates to welding equipment technical field especially relates to a cylinder inner baffle welding system. Including base, feeding device and welding device, be equipped with the cylinder of horizontal arrangement on the base, feeding device sets up on the base and is located cylinder one side, feeding device includes horizontal arm, support seat, support frame, sucking disc and first telescopic mechanism, horizontal arm can move horizontally on the base, support seat sets up in the side of horizontal arm close to cylinder, support frame is hinged in the side of support seat far from horizontal arm, sucking disc is fixed in the side of support frame far from support seat, is used for adsorbing inner baffle, first telescopic mechanism one end is hinged in support seat, other end is hinged in support frame, the side surface of horizontal arm is horizontally slidably provided with horizontal arm slide plate, welding device is fixed in horizontal arm slide plate, is used for welding inner baffle in the inside of cylinder. Realized the automatic welding processing of oil tank cylinder inner baffle, need not manual participation, improved the efficiency and quality of welding.

The utility model discloses an integrated type hydraulic oil tank which comprises an integrated type hydraulic oil tank body and an installation sleeve seat, the integrated type hydraulic oil tank body is located in the installation sleeve seat, the bottoms of the two sides of the installation sleeve seat are fixedly connected with connecting bottom plates, and a connecting top plate is arranged above the connecting bottom plates. A sealing plate is hinged to one side of the connecting top plate, an elastic rubber wall is arranged between the connecting top plate and the connecting bottom plate, a supporting plate is arranged on one side of the elastic rubber wall, and a mounting groove is formed between one side of the supporting plate and the mounting sleeve seat. According to the integrated hydraulic oil tank, external vibration can be prevented from directly acting on the exterior of the integrated hydraulic oil tank body to damage the integrated hydraulic oil tank body, in addition, the ambient temperature around the integrated hydraulic oil tank body can be reduced under the action of the radiator, and the heat dissipation efficiency of the integrated hydraulic oil tank body can be improved.