533 results about "Suction tubing" patented technology

The utility model discloses a positive displacement gear lubricating pump which has the advantages of being simple in structure and capable of effectively reducing installation and machining requirements. The device comprises a driving motor, a pump seat, a mounting seat, an oil tank, a gear pump, an oil suction pipe and an oil outlet pipe, the pump seat is mounted above the oil tank and seals the oil tank, the mounting seat is mounted on the pump seat, the driving motor and the gear pump are mounted above and below the mounting seat respectively, and the driving motor is connected with the gear pump and drives the gear pump to operate. The gear pump is arranged in the oil tank, the first end of the oil suction pipe is communicated with an oil inlet of the gear pump, the second end of the oil suction pipe extends to the bottom of an inner cavity of the oil tank, and the first end of the oil outlet pipe is communicated with an oil outlet of the gear pump.

The invention provides a hydraulic oil tank with high cleaning performance, which relates to the technical field of hydraulic oil tanks and comprises a tank body, an oil pan and an oil tank cover, an oil return pipe and an oil suction pipe are respectively arranged at two ends of the tank body, an oil return cavity, an overflow cavity and an oil suction cavity are arranged in the tank body, the oil pan is arranged at the bottom of the tank body, and the oil tank cover is fixedly mounted at the top of the tank body. The quick release assemblies are mounted on the outer side of the tank body, the two cleaning assemblies correspond to the oil return cavity and the oil suction cavity in the tank body in position and are mounted on the oil tank cover, and the overflow assembly corresponds to the overflow cavity in the tank body in position and is mounted on the oil tank cover. The cleaning assembly is driven to clean impurities adhering to the inner wall of the rectangular oil tank, bubbles and floating foam on the surface of the oil body are eliminated in the cleaning process, the cleaning performance of the oil tank is improved, meanwhile, the cleaning assembly is in linkage with the overflow assembly to heat the oil body, and the oil tank can meet the use requirement of the cold environment.

The utility model belongs to the field of mold preheating, and provides a full-automatic mold preheating machine which comprises a flame nozzle, an oil tank, an oil conveying pipe, an air compressor, a main air pipe, a negative pressure generator, a negative pressure pipe, a first electromagnetic valve, an oil suction pipe and a control panel. The oil conveying pipe communicates with the oil tank and the flame nozzle; one end of the main air pipe is communicated with the air compressor, and the other end of the main air pipe forms a first branch air pipe and a second branch air pipe which are connected in parallel; an air inlet and an air outlet which are coaxially arranged are formed in the negative pressure generator, a bypass opening communicated with an air channel between the air inlet and the air outlet is further formed, the air inlet is further communicated with the second branch air pipe, and the air outlet is communicated with the external atmosphere; the negative-pressure pipe communicates with the top of the oil tank and the bypass opening. The first electromagnetic valve is mounted on the second branch air pipe; the other end of the oil suction pipe is a free end; the control panel is in communication connection with the air compressor and the first electromagnetic valve.

The utility model discloses an integral pump station for extrusion equipment, which comprises a mounting rack group, a circulating pump group, a cooler, an output pump group and a connecting assembly, the circulating pump group, the cooler and the output pump group are all fixed on the mounting rack group, the connecting assembly comprises a main oil suction pipe group and an oil outlet pipe group, and the oil suction pipe group is connected with the cooler. The main oil suction pipe set is fixed to the installation frame set, the side portion of the main oil suction pipe set is communicated with the output pump set, the oil outlet pipe set is arranged at the output end of the output pump set, and the oil outlet pipe set is fixed to the bottom of the installation frame set and located below the output pump set. The mounting rack group comprises a first mounting rack and a second mounting rack, the cooler is fixed on the first mounting rack, and the connecting assembly further comprises a cooling pipe group and a connecting pipe. According to the utility model, the installation reference can be unified, the installation precision and the installation efficiency can be improved, the installation cost can be reduced, and the transmission efficiency can be improved.

The utility model belongs to the technical field of oil suction pipe machining, solves the problems that oil suction pipes are not uniform and cannot be universally used in the same heading machine in the existing heading machine oil suction pipe assembling and welding process, and provides an oil suction pipe assembling and welding device of a heading machine. Comprising a front pump oil suction pipe positioning assembly for positioning a front pump oil suction pipe assembly; the rear pump oil suction pipe positioning assembly is used for positioning the rear pump oil suction pipe assembly; the oil suction filter positioning assembly is used for positioning the first oil suction pipe mounting flange; a plurality of positioning holes are formed in the bottom plate; the front pump oil suction pipe positioning assembly, the rear pump oil suction pipe positioning assembly and the oil suction filter positioning assembly are all arranged on the bottom plate and fixed to positioning holes in the bottom plate, and position positioning is achieved. According to the utility model, the oil suction pipe of the heading machine can be assembled and welded in an area outside a unit, the oil suction pipe can be directly assembled and replaced on the unit through batch production, and the oil suction pipe of the same heading machine can be stored and replaced.

An electric drive for a vehicle comprises: an electric machine, a stator connected to a housing and comprising stator end-windings, a rotor rotatable relative to the stator, and a driveshaft connected to the rotor; a transmission to transmit a rotary movement from the driveshaft to a driveline; a sump containing fluid to cool and / or lubricate the electric machine and the transmission; a hydraulic arrangement comprising at least one bi-directional pump, a first suction line hydraulically connected with the pump, a stator path for cooling the stator, a second suction line connected with the pump, and a transmission path for cooling the transmission; a valve arrangement with multiple valves configured such that fluid is either supplied from the sump through the first suction line to the stator path, or through the second suction line to the transmission path.

The utility model provides a unilateral support horizontal fuel pump assembly, which is characterized by comprising a pump body mounting seat, a pump body, a fuel pump body, a fuel pump body, a fuel pump body and a fuel pump body, the fuel pump is mounted on the pump body mounting seat; the supporting frame is movably connected to the side face of the pump body mounting base; the flange is located above the supporting frame and is fixedly connected with the supporting frame through a supporting rod; the fuel pump is connected with an oil suction pipeline and an oil outlet pipeline, the oil outlet pipeline is connected with the flange, the oil suction pipeline is arranged on the pump body supporting seat and matched with the sliding guide groove through a supporting frame, and the supporting frame slides along the sliding guide groove during installation so that the supporting frame and the pump body installation seat can be approximately horizontal. At the moment, the fuel pump is integrally installed in the ship body, and the fuel pump assembly of the structure can be smoothly installed in the fuel tank.

The invention provides a self-adaptive throttling and ventilating lubricating oil system, which belongs to the field of aero-engines and comprises a first bearing cavity, a second bearing cavity, a third bearing cavity, a lubricating oil tank, a lubricating oil pump, a ventilator and an electric valve, each bearing cavity is connected with the ventilator and the lubricating oil tank through a ventilation pipeline, each bearing cavity is connected to the lubricating oil pump through an oil return pipeline, the lubricating oil pump supplies oil to each bearing cavity through an oil supply pipeline, and the lubricating oil pump is connected with the lubricating oil tank through the oil return pipeline and an oil suction pipeline; wherein the second bearing cavity and the third bearing cavity are communicated through the ventilation pipeline to realize common throttling ventilation, the electric valve is arranged on the ventilation pipeline for common throttling ventilation, and the electric valve is connected with the sealing bleed air of the second bearing cavity and / or the third bearing cavity and is used for sensing and measuring the pressure of the bearing cavity and the corresponding sealing bleed air pressure so as to obtain the sealing pressure difference; when the sealing pressure difference exceeds the threshold value range, the electric valve changes the internal throttling diameter according to actuation, then the throttling equivalent diameter of the ventilation pipeline is adjusted, and finally the pressure of the bearing cavity is dynamically adjusted.

The invention discloses a vegetable oil soapstock oil-water efficient separation process and system, and relates to the technical field of vegetable oil soapstock oil-water separation, the system comprises a bottom plate, and one side of the top of the bottom plate is provided with an acidification assembly. During use, the adjusting motor is started to drive the rotating rod and the gear to rotate slowly, the rack, the fixing rod and the sleeve plate are driven to move downwards, and the oil suction pipe is pushed to move downwards to enter an oil layer. And when the camera shoots that the layer surface of the oil layer is flush with the first marking strip, the adjustment of the motor is stopped. And the delivery pump is started to suck oil. When the oil layer level drops, the oil layer surface is gradually flush with the second marking strip, at the moment, the PLC controls the adjusting motor to recover work and continuously drives the oil suction pipe to move downwards, so that the oil layer surface is flush with the first marking strip again, then the adjusting motor is stopped, oil liquid is pumped layer by layer, oil liquid at the layering position is completely pumped to the maximum extent, and the working efficiency is improved. And solid impurities are prevented from being mixed.

The utility model relates to a special oil pumping device for a barreled oil drum, and aims to solve the problems of low efficiency, more oil residues, poor cleanliness, poor adaptability and the like in a traditional oil pumping mode. According to the device, efficient and clean extraction of oil at the bottom of the oil drum is achieved through precise mechanical design and the synergistic effect of parts. Specifically, the device comprises an oil suction pipe, a positioning oil suction disc seat, a spring, a pressure adjusting sleeve, an oil suction pipe positioning plate, a flat-head silencer and the like. The spring and the pressure adjusting sleeve ensure that the positioning oil suction disc seat is tightly attached to the bottom of the oil barrel, and thorough oil pumping is achieved. The filter screen filters impurities to protect the purity of the oil product; the flat-head silencer realizes air communication and prevents external pollution; the oil suction pipe positioning plate adjusts the position according to the size of the oil drum to ensure that the oil suction pipe clings to the inner wall. The oil pumping device has the advantages that oil pumping efficiency and thoroughness are improved, oil purity is protected, applicability and flexibility of the device are enhanced, cleaning cost and environmental pollution are reduced, and the like.

The utility model discloses a concrete vibrator with a built-in normal-pressure high-frequency motor special for equipment, and belongs to the technical field of engineering machinery. According to the technical scheme, the front end of a sleeve of the vibrator is connected with a pointed end through threads, and an oil cover, two sets of lower bearings, an oil seal cover, a coil inserting stator and a bearing seat are sequentially arranged in the sleeve; an upper bearing is arranged in the bearing seat, a rotor is supported by the lower bearing and the upper bearing, and an eccentric block and an oil suction pipe are arranged at the lower end of the rotor; the upper end of the sleeve is connected with an upper cover through threads, a wiring terminal and a wiring seat are arranged in the upper cover, a cable is fixed on the wiring terminal through a thread pair I, the cable is connected with a frequency conversion control cabinet fixed on equipment, and an electronic frequency converter and a grounding wire are arranged in the frequency conversion control cabinet. The upper cover is connected with four symmetrically-arranged rubber springs through a connecting pipe and a lower clamping plate and is connected with equipment through an upper clamping plate and an equipment connecting plate by using a thread pair II. The vibrator has the advantages of overcoming the defects of an existing vibrator for equipment, and being novel in design, reasonable in structure, safe and reliable.

The invention discloses a concrete vibrator with a built-in normal-pressure high-frequency motor special for equipment, and belongs to the technical field of engineering machinery. According to the technical scheme, the front end of a sleeve of the vibrator is connected with a pointed end through threads, and an oil cover, two sets of lower bearings, an oil seal cover, a coil inserting stator and a bearing seat are sequentially arranged in the sleeve; an upper bearing is arranged in the bearing seat, a rotor is supported by the lower bearing and the upper bearing, and an eccentric block and an oil suction pipe are arranged at the lower end of the rotor; the upper end of the sleeve is connected with an upper cover through threads, a wiring terminal and a wiring seat are arranged in the upper cover, a cable is fixed on the wiring terminal through a thread pair I, the cable is connected with a frequency conversion control cabinet fixed on equipment, and an electronic frequency converter and a grounding wire are arranged in the frequency conversion control cabinet. The upper cover is connected with four symmetrically-arranged rubber springs through a connecting pipe and a lower clamping plate and is connected with equipment through an upper clamping plate and an equipment connecting plate by using a thread pair II. The vibrator has the advantages of overcoming the defects of an existing vibrator for equipment, and being novel in design, reasonable in structure, safe and reliable.

The utility model belongs to the field of aircraft fuel systems, and relates to an anti-negative overload oil supply device which comprises an oil tank, an oil delivery pipe connector is arranged at the top of the oil tank, an oil supply pipe connector is arranged on the side face of the oil tank, an oil suction pipe is arranged in the oil tank, and an oil outlet of the oil suction pipe is communicated with the oil supply pipe connector. Due to the fact that the three partition plates are distributed on the periphery of the oil suction port in the oil tank, air can be effectively prevented from entering the oil suction port. Therefore, the negative overload resistant small box can still supply oil continuously under the negative overload condition, and the negative overload resistant oil supply capacity is high.

The utility model discloses a non-edible vegetable oil fine separator which comprises a machine frame, a separating shell is arranged on the machine frame, a feeding port is formed in the separating shell, a pre-filtering net is arranged in the feeding port, the lower end of the separating shell is rotatably connected with a rotating disc, a driving motor is arranged on the machine frame, and the driving motor is connected with the pre-filtering net. The output end of the driving motor is connected with the rotating disc, a centrifugal barrel is arranged on the rotating disc and located at the lower end of the pre-filtering net, an oil suction pipe is arranged on the separating shell, an oil storage tank is arranged at one end of the separating shell, one end of the oil suction pipe extends into the centrifugal barrel, the other end of the oil suction pipe is communicated with the oil storage tank, and filtering sponge is arranged in the oil storage tank. According to the plant oil separation device, plant oil and impurities in the plant oil can be separated more efficiently, residues of fine floating objects and mixing of water are avoided, and the quality of the plant oil is guaranteed.

The utility model discloses a large and small gear friction pair lubricating system of a rod mill, which comprises an oil tank and the rod mill, the rod mill comprises a large gear and a small gear, the large gear is meshed with the small gear, oil return grooves are arranged at the bottoms of the large gear and the small gear, a delivery pump is fixed on the outer wall of one side of the oil tank, and an oil injection component is fixed on one side of the large gear. An oil discharging pipe is connected between an outlet of the conveying pump and the oil spraying assembly, an oil suction opening is formed in the outer wall of one side of the oil tank, an oil suction pipe is connected between the oil suction opening and an inlet of the conveying pump, an oil return opening is fixed to the outer wall of one side of the oil tank, and an oil return pipe is connected between the oil return opening and the oil return groove. Recycled oil-water mixtures are layered through the oil tank, lubricating oil on the upper layer is conveyed into the oil spraying assembly through the conveying pump to be sprayed out, water in the lubricating oil is removed, and therefore the effect is better when a large gear and a small gear of the rod mill are lubricated.

The invention discloses a constant-pressure variable pump working load simulation device and method. The constant-pressure variable pump working load simulation device comprises an oil tank, a tested constant-pressure variable pump, a driving motor, a controller, a flow sensor I, a proportional throttle valve, a pressure sensor I and a pressure sensor II. An oil suction port of the tested constant-pressure variable pump is communicated with the oil tank through an oil suction pipeline; a pressure sensor II is arranged on the oil suction pipeline; the oil outlet pipeline is sequentially provided with a pressure sensor I, a flow sensor I and a proportional throttle valve; oil is sucked in through the oil suction port and extruded out of the oil outlet, the oil outlet is communicated with the oil tank through the oil outlet pipeline to form an oil circulation closed loop, and working pressure is formed. The controller is used for receiving and processing the data information and converting the data information into a command signal, and the controller sends the command signal to the proportional throttle valve; the proportional throttle valve changes the load flow of the tested constant-pressure variable pump in real time by adjusting the opening degree of a valve port of the proportional throttle valve according to the command signal. The performance test and the durability test of the constant-pressure variable pump under the actual load working condition can be simulated.

The utility model discloses a device for extracting iris root oil by vacuum distillation, which belongs to the technical field of vacuum distillation extraction and comprises a distillation kettle, a top cover is arranged at the upper end of the distillation kettle, and a support frame is arranged on the top cover. Through the oil-water separation device, oil-water separation can be carried out at the first time by utilizing the oil-water separation device after condensation and liquefaction of an extracted substance, the process can be realized without an additional device, the whole extraction process is simplified, a lifting structure is arranged on an end cover, and when the amount of essential oil and water is changed, the lifting structure is arranged on the end cover; the lifting structure can rapidly adjust the height of the oil suction pipe, it is guaranteed that the tail end of the oil suction pipe is located in essential oil all the time, normal operation of oil-water separation work is guaranteed, the servo motor, the lead screw, the movable sleeve and other structures are adopted, adjustment is flexible and convenient, adjustment at any position can be achieved in the stroke, and the oil-water separation efficiency is improved. And the screw rod and the movable sleeve have a self-locking effect, so that the stability of the adjusted oil suction pipe can be guaranteed.

The utility model discloses an engineering machinery diesel engine oil supply system which comprises a fuel tank, a first oil supply pipe, a second oil supply pipe, a third oil supply pipe, an electromagnetic valve, a first oil suction pipe, a second oil suction pipe and a liquid level sensor. The first oil suction pipe and the second oil suction pipe are installed at the two ends in the fuel tank respectively, the liquid level sensor is installed at one end in the fuel tank, one end of the first oil supply pipe and one end of the second oil supply pipe are communicated with the first oil suction pipe and the second oil suction pipe respectively, and the other end of the first oil supply pipe and the other end of the second oil supply pipe are communicated with two inlet channels of the electromagnetic valve respectively. One end of the third oil supply pipe is communicated with an outlet channel of the electromagnetic valve, and the other end of the third oil supply pipe supplies oil to a diesel engine power system. According to the utility model, the stability and the flexibility of oil supply are improved, the safety and the fuel oil utilization rate of the system are enhanced, and the problem that the engine flames out due to unsmooth fuel oil supply even if the fuel oil liquid level is very low when the engineering machinery performs large-angle uphill and downhill construction operation is well solved.

The utility model discloses a tobacco tar filling device which comprises a support, an oiling device, a lifting device and a pressure relief back suction valve, the oiling device, the lifting device and the pressure relief back suction valve are installed on the support, the oiling device comprises an oiling needle cylinder, an oil suction pipe and an oil outlet pipe, the oil suction pipe and the oil outlet pipe are communicated with the oiling needle cylinder, the oil outlet pipe is connected with an oil outlet nozzle, and the pressure relief back suction valve is connected to the oil outlet pipe. According to the utility model, through the pressure relief back suction valve, pressure relief is carried out after oil injection of the oil outlet nozzle is completed, so that oil in the oil outlet nozzle is sucked back, and the phenomenon of oil dripping is avoided; according to the utility model, the flow sensor is arranged, is connected to the oil outlet pipe, is positioned between the oil outlet nozzle and the pressure relief back suction valve, and is used for detecting the oil filling quantity of the oil outlet pipe, so that the high-precision control on the filling oil filling quantity is realized.

The utility model relates to the technical field of fuel tanks of engineering mechanical equipment, in particular to a fuel air suction prevention device and a loader. The fuel air suction prevention device comprises a tank body, a bottom plate is arranged below the tank body, an oil storage structure is arranged on the bottom plate and comprises an oil storage barrel, the oil storage barrel is arranged on the bottom plate, and an oil suction pipe is inserted into the oil storage barrel. The oil storage cylinder is located in the tank body and used for temporarily storing fuel oil, when the tank body shakes, the fuel oil still exists in the oil storage cylinder, and the phenomenon of air suction is prevented. The oil storage structure further comprises a low-position oil inlet, the low-position oil inlet is located in the inner wall of the oil storage barrel, and the position of the low-position oil inlet is lower than the insertion end of the oil suction pipe. The low-position oil inlet is formed in the oil storage cylinder, fuel oil can conveniently enter the oil storage cylinder, and when the liquid level of the fuel oil in the tank body is low, the fuel oil enters the tank body through the low-position oil inlet.

The utility model discloses a biomass briquetting machine oil mist lubrication system which comprises an oil mist generator, a reduction gearbox and a briquetting machine forming chamber, the oil mist generator is connected with a gas source pipeline, an oil mist pipeline, a first oil pump and a second oil pump, and one end of the oil mist pipeline is connected with a jet flow injection distribution valve. An oil suction pipeline and an oil way pipeline are connected to the jet injection distribution valve, a rotating connector is installed at one end of the oil way pipeline, a motor is installed at the input end of the reduction gearbox, a pressing wheel assembly is rotationally arranged in the briquetting machine forming chamber, a pressing wheel bearing is installed between the pressing wheel assembly and the briquetting machine forming chamber, and the motor is connected with the motor. The utility model relates to the technical field of oil mist lubrication, the oil mist lubrication system generates micron-sized oil mist particles through external compressed air and a secondary ultrasonic atomization process, oil mist flow composed of the oil mist particles is conveyed to a part needing to be lubricated through a pipeline, oil liquid is reasonably used, and waste is avoided.

The invention belongs to the technical field of forklift hydraulic diagnosis optimization, and provides a fault self-diagnosis and optimization method for a forklift hydraulic system, which is used for monitoring the air pressure of an oil suction pipeline in the forklift hydraulic system, judging whether the oil suction pipeline leaks air or not, directly determining whether a fault occurs at the oil suction pipeline or not, and improving the working efficiency of the forklift hydraulic system. The content of bubbles in oil can be reduced, the pressure and flow transmission efficiency of a hydraulic system can be improved, when it is judged that an oil suction pipeline leaks air, under the scene that the forklift steers at a small angle continuously between narrow goods shelves, the steering lagging duration and the bubble compression duration of each time of small-angle steering are obtained respectively, and the steering lagging duration and the bubble compression duration of each time of small-angle steering are obtained. The correlation degree between the steering lag time and the oil bubble compression time is evaluated, the influence mechanism of air leakage on a steering system is known more deeply, different types of faults can be distinguished, the main reason of steering lag caused by oil bubble compression can be quickly positioned, and the method and the device can be used for adjusting parameters such as the sending opportunity and the frequency of a steering instruction in the later period. And data support is provided.

The utility model relates to the technical field of oil suction devices, and discloses a marine floating oil suction device which comprises an oil storage bin, a connecting pipe is fixedly installed on the inner wall of the oil storage bin and penetrates through the oil storage bin, a connecting block is fixedly installed at the right end of the connecting pipe, and two fixing blocks are fixedly installed on the inner wall of the bottom of the oil storage bin. The inner walls of the two fixing blocks are hinged to the connecting block. The main buoy is installed at the top of the second oil suction pipe, buoyancy is provided for the whole oil suction system, the height of the whole oil suction system can be automatically adjusted along with changes of the liquid level of fuel oil, compared with a traditional device, the oil suction end of the device can float up and down along with lifting of the liquid level, surface layer fuel oil is extracted all the time, and due to the floating and falling effect of water and impurities in a gravity field, the oil suction efficiency is improved. The moisture and impurities of the upper fuel oil are always lower than the bottom oil layer, so that the upper fuel oil is extracted, clean fuel oil can be emitted, and the service life of downstream purification equipment is prolonged.

An adjusting method for achieving automatic balance of lubricating oil in an oil pan of a marine diesel engine comprises the steps that firstly, an oil suction pipe and an oil supplementing pipe are installed in the oil pan, a pipe opening of the oil suction pipe is vertically upward and away from the bottom of the oil pan by a preset height, and a pipe opening of the oil supplementing pipe is close to the bottom of the oil pan; (2) installing a balance oil tank and connecting the balance oil tank with an oil pan through an oil suction pump and an oil recharging pump with the displacement smaller than that of the oil suction pump, (3) injecting lubricating oil into the balance oil tank and the oil pan, and (4) starting the oil suction pump and the oil recharging pump to work continuously at the same time when the diesel engine runs, and conveying the lubricating oil in the balance oil tank into the oil pan through the oil recharging pump; when the liquid level of the lubricating oil in the oil pan exceeds the height of the orifice of the oil suction pipe, the oil suction pump pumps the lubricating oil higher than the orifice of the oil suction pipe back to the balance oil tank from the oil pan, so that the liquid level of the lubricating oil is always kept at the height of the orifice of the oil suction pipe, and stable and automatic balance of the amount of the lubricating oil in the oil pan is achieved. The liquid level of the oil pan is kept dynamic and constant during working, the requirement of the diesel engine for lubricating oil is guaranteed, and the device has the advantages of being simple in structure, convenient to operate, capable of running automatically, safe and reliable.

The utility model relates to an oil injection assist device, which belongs to the technical field of oil injectors and is characterized in that a manual piston pump and a switching unit are arranged on an oil injection cylinder, the switching unit is respectively communicated with an oil inlet and an oil outlet of the manual piston pump through connecting pipelines, and an oil suction pipe and an oil discharge pipe are arranged on the switching unit. The oil suction pipe and the oil discharge pipe are arranged in the oil injection cylinder and outside the oil injection cylinder respectively, and the switching unit is used for switching communication between the oil suction pipe and an oil inlet or an oil outlet of the manual piston pump and switching communication between the oil discharge pipe and an oil inlet or an oil outlet of the manual piston pump. The switching unit is arranged, the connection relation between the oil suction pipe and the manual piston pump and the connection relation between the oil discharge pipe and the manual piston pump can be achieved through the switching unit, namely, oil suction or oil discharge of the oil suction pipe or oil suction or oil discharge of the oil discharge pipe is achieved, and then when the interior of the oil injection barrel needs to be filled with oil, the oil can be injected into the oil injection barrel. Gear oil can be filled into the oil injection cylinder through the manual piston pump.

The utility model relates to kitchen garbage waste liquid treatment technical field discloses a kind of kitchen garbage heating oil-water separation device, including box, the upper surface of the box is provided with filter screen, the inside sliding connection of the box has floating plate, the bottom fixed connection of the floating plate has oil suction pipe, the inside fixed connection of the box has heating rod, the lateral wall of the box is fixedly connected with oil collecting tank, the lateral wall of the oil collecting tank is fixedly connected with oil suction pump, the output end fixed connection of the oil suction pump has conveying hose, the upper surface of the floating plate is fixedly connected in the conveying hose one end, the lateral wall of the box is provided with vibration assembly, the lateral wall of the filter screen is provided with fixed component. In the utility model, by starting motor makes rotary disc rotation, let rotating strip rotate and pull vibration frame left and right slide, reach to filter screen vibration effect, prevent material to be accumulated on filter screen and cause the blockage of filter screen, improve the filtration effect by the above structure.

The invention relates to the technical field of oil cleaning, in particular to a gearbox oil cleaning system which comprises an oil suction structure, a filtering structure and an oil return structure. The oil suction structure comprises a main rod, a pull rope, an oil suction assembly and an oil pump, the oil suction assembly is rotationally connected to the main rod, the pull rope is connected with the oil suction assembly, the pull rope is pulled to enable the oil suction assembly to rotate from a first position to a second position, and the oil suction assembly located at the second position can stretch into the gearbox; the oil suction assembly comprises an oil suction pipe, the oil suction pipe is communicated with the oil pump, one end of the oil suction pipe extends into the gear box, the oil suction pipe located in the gear box is provided with an oil suction small hole, and the oil pump is used for enabling oil and impurities in the gear box to be sucked into the oil suction pipe through the oil suction small hole. An inlet of the filtering structure communicates with the other end of the oil suction pipe, and the filtering structure is used for filtering impurities in oil. The oil return structure comprises an oil return pipe, one end of the oil return pipe communicates with an outlet of the filtering structure, and the other end of the oil return pipe is used for stretching into the gearbox.

1. Name of the product in this design: Magnetic oil pipe connector wrench. 2. Purpose of this product design: A special tool for connecting and disconnecting oil pipe fittings of various sizes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The invention discloses a hydraulic system for a wheel clamp of a ship unloader, which belongs to the technical field of hydraulic systems and comprises an oil tank and an oil pumping component assembled in the oil tank, a valve group is assembled on the oil tank, an energy accumulator is assembled on the outer wall of the oil tank and connected with the valve group through a connecting pipe, and the oil pumping component comprises a motor mounted on the oil tank. An oil pump connected with the output end of the motor is assembled in the oil tank; the input end of the oil pump is connected with an oil suction filtering unit through an oil suction pipe; by arranging the oil suction filtering unit and the replacing unit, efficient replacement of a filter is achieved, an electric push rod drives a guide rod to move, so that a mounting frame is automatically transferred between an oil tank and an operation box, a first motor drives a shaft rod to rotate a rotating seat, and rapid switching of a short transverse rod from a vertical state to a horizontal state is achieved; meanwhile, the oil tank does not need to be opened in the replacement process, and external dust and impurities can be effectively prevented from entering the oil tank.

The utility model discloses an oil tank structure and engineering equipment in the technical field of oil tank design structures, and aims to solve the problem that in the prior art, a function of sucking oil from an oil tank in a limit posture is not supported. The fuel tank comprises a fuel tank body; the first oil suction pipes are communicated with the oil tank body, and the communication points of the first oil suction pipes are located at the lowest liquid level points of the oil tank body in different limit postures; the liquid level sensor is used for sensing the liquid level in the oil tank body and sending a liquid level sensing signal; each first oil suction pipe is provided with a switch control valve, the switch control valves can receive control signals, and the switch control valves can further control connection and disconnection of the corresponding first oil suction pipes. Communication points of the first oil suction pipe are arranged at the lowest points of the liquid level in different limit postures, the on-off point of the first oil suction pipe is controlled by the switch control valve, and the oil tank further comprises a liquid level sensor used for sending liquid level sensing signals in the oil tank body, so that a platform for achieving the function of sucking oil from the oil tank in the limit postures is supported.