177 results about "Sump" patented technology

The invention relates to the technical field of sump desilting, and discloses underground sump desilting equipment based on a deep well coal mine, which comprises a rack, walking crawler belts arranged on two sides of the rack, a sludge box and a glove box positioned on the top of the rack, and a collecting assembly for collecting sump sludge, the collecting assembly comprises a dirt collecting hopper arranged on the surface of the rack, a spiral blade rotating in the dirt collecting hopper and an intercepting assembly, the intercepting assembly is arranged on the side, away from the rack, of the dirt collecting hopper, the intercepting assembly comprises a roller, a plurality of conical blocks are arranged on the surface of the roller, a positioning shaft is arranged in the roller in a penetrating mode, and the conical blocks are arranged in the positioning shaft. The two ends of the positioning shaft are fixedly connected with connecting frames, the connecting frames are connected with the sludge collecting hopper through connecting assemblies, and when the roller rolls on the surface of sludge, the conical blocks penetrate into sundries and hang the sundries on the surface of the conical blocks. The water sump dredging device has the effect of effectively removing various strip-shaped impurities in underwater sludge during water sump dredging.

Fluid collection assemblies (100, 200, 300a, 300b, 400a, 400b, 500, 600) including a sample port (112, 212, 312, 412a, 412b, 512), systems (146a) including the same, and methods of using the same are disclosed herein. An example fluid collection assembly (100) includes a fluid impermeable barrier (102) including a first end region (104), a second end region (106) opposite the first end region, and a sump (108) that forms at least a portion of the first end region. The fluid impermeable barrier also defines at least one opening (114) between the first end region and the second end region and a fluid reservoir that is defined by at least a portion of the sump. The fluid collection assembly also includes at least one wicking material (138) disposed in the chamber (116) and a sample port (112) extending from the sump. The sample port is configured to be connected to a fluid collector (144a). The sample port is in fluid communication with the fluid reservoir (110) such that a sample of the bodily fluids received by the fluid collection assembly may be obtained.

The utility model relates to the technical field of mine drainage, in particular to an underground coal mine drainage device which comprises a mine base layer and further comprises a detection assembly, a drainage assembly and a drainage assembly. The sewage discharging assembly is arranged at the bottom of the inner cavity of the water sump and facilitates discharging sludge sinking to the bottom. According to the utility model, the KJ1158 hydrological dynamic observation system is utilized to monitor information such as flow, flow velocity and the like of each underground site in real time, and the KJ1137 mine hydrological dynamic monitoring and early warning system can trigger an alarm to remind, so that workers can respond quickly, and the working efficiency is improved; redundant accumulated water can be quickly drained through the drainage assembly; the accumulated water level height is monitored in real time through the detection assembly, and accumulated water level height data are visually displayed to workers, so that the data are collected and analyzed in a centralized manner, and equipment operation is convenient to manage and optimize; sludge sinking to the bottom of the water sump inner cavity can be discharged through the sewage discharging assembly, and therefore normal operation and efficient drainage of the mine water sump can be guaranteed.

The utility model relates to the technical field of fixed frock, concretely to special fixed frock of oil sump, including bottom plate, the upper portion of bottom plate is provided with fixed block no.

The invention discloses an automatic drainage control device for an underground sump. Relates to the technical field of underground drainage, and comprises a fixed platform fixed in an underground sump and a vertical guide rod, one end of the guide rod is fixed on the bottom surface of the sump, and the other end of the guide rod is connected with the fixed platform; the guide rod is sleeved with a floating plate, a contact head is arranged on the floating plate, a magnetic attraction type touch switch for controlling the water pump to be started and stopped is arranged on the fixed platform, and the floating plate slides along the guide rod so as to drive the contact head to abut against the magnetic attraction type touch switch; through the arrangement of the floating plate, the magnetic type touch switch and the balance weight plate, the control switch can automatically turn on the water pump along with the rising and falling of the water level so as to drain water from an underground sump, and after water drainage is completed, the balance weight plate drives the floating plate to automatically disconnect under the action of gravity; manpower is reduced, and meanwhile the defect that a common water level sensor is prone to faults is overcome; and high-reliability, low-maintenance and self-adaptive drainage operation in a real sense is realized.

The invention provides a mine sludge treatment device. The mine sludge treatment device comprises a sludge thickness detection device, an automatic control box, a stirrer, a moving device, a water sump track, a driving motor and a water pumping pump, the driving motor is used for driving the moving device to advance or retreat; the moving device is used for driving the stirrer to move along the water sump track; the sludge thickness detection device is arranged at the bottom of the water sump and is electrically connected with the automatic control box; the sludge thickness detection device is used for detecting the thickness of sludge in the water sump; the water pumping pump extends to the bottom of the water sump through a water pumping pipeline and is electrically connected with the automatic control box; the automatic control box is used for triggering the stirrer to start stirring operation when the sludge thickness is larger than a preset threshold value and the water pumping pump is powered on and started and triggering the driving motor to rotate forwards or backwards so as to drive the moving device to move forwards or backwards. The desilting efficiency is improved, and the desilting cost is reduced.

The application discloses a kind of oil-water separation devices for collecting oil from floating oil in dirty oil pool, including first shell, first shell has multiple, multiple first shell is enclosed to be a closed area, support frame is arranged at the central position of the area enclosed by multiple first shell, support frame can rotate, and outlet and stirring member are set on support frame, oil-water mixture enters into first shell through outlet, first shell has upwardly open cavity, and the lower end surface of cavity has inclined bottom surface, water outlet is set at the central position of bottom surface, valve assembly is set in water outlet.In the use of the device, the oil-water mixture in the first shell can be extracted by the suction assembly, and the use of the limiting assembly can prevent the suction assembly from extracting the lower layer of water (or reduce the amount of water extracted), thereby facilitating the user to use the device.

The utility model relates to an airport ground well drainage system, which is characterized in that a water collecting pit is arranged at the bottom of a well pit of a ground well, and the drainage system comprises a drainage pump, a first liquid level sensor, a second liquid level sensor, a drainage hose, a one-way check valve, a drainage embedded part and a ground well PLC (Programmable Logic Controller) control box, the drainage pump, the first liquid level sensor and the second liquid level sensor are all electrically connected with the ground well PLC control box, the drainage pump is arranged in a sump and connected with the one-way check valve through a drainage hose, the one-way check valve is connected with the drainage embedded part through the drainage hose, and therefore a drainage main loop of a ground well is formed. And water in the ground well is discharged into a ground airport apron or a drainage pipe network through the main loop. The two liquid level sensors are adopted, liquid level monitoring and water level offside monitoring can be achieved, meanwhile, fault alarm of the drainage pump can be achieved, and the normal working state of the drainage pump is guaranteed.

The sump structure comprises at least one water pumping pipe penetrating into a stagnant water layer, and a water pump is arranged in each water pumping pipe and used for pumping out water in the stagnant water layer. The water collecting pit structure meeting quicksand and underground water further comprises a water collecting pit supporting structure arranged in a water collecting pit formed by digging the water pumping pipe towards the edge, the water collecting pit supporting structure is in a seamless cylinder shape formed in an enclosing mode, and the water collecting pit supporting structure is communicated with the inner space of the water collecting pit. The sump supporting structure is used for providing support for a structural bottom plate. The method has the effects that underground water is pumped and drained timely and effectively, it is guaranteed that no water is accumulated on the working face, and follow-up procedures are conducted smoothly.

The utility model relates to an assembly type water supply inspection well with functions of flood prevention and leakage detection, which comprises a well body and a well bottom assembled with the well body in a plug-in manner, the inner surface of the bottom of the well bottom is arranged to be an inclined plane, and a water collection pit is arranged at the bottom of the well bottom and corresponds to the lower position of the inclined plane; and a liquid level detector for monitoring the liquid level in the sump is also arranged. Water in the well body can be conveyed to the position of the sump at the well bottom through the inclined well bottom, and the water level in the well is monitored in real time through the liquid level detector in the well, so that when the water level in the well bottom reaches a certain height, accumulated water in the sump can be drained out of the inspection well by means of the pump body, and automatic drainage is achieved; and meanwhile, the waterlogging prevention of the road can be realized in rainy days. Moreover, the liquid level detector can monitor the change of the liquid level in real time, so that an inspector can detect whether accumulated water exists in the inspection well or not in real time, and whether the pipeline in the well leaks or not can be judged in time.

The application discloses a mine water sump sludge discharging device and relates to the technical field of water sump sludge discharging. The mine water sump sludge discharging device can filter and separate the sludge mixed in water so as to directly suck the sludge, and comprises a water sump. The water sump is provided with a water inlet pipe communicated with the top end of the water sump, a sand suction pipe communicated with the water sump, a suction pump fixedly connected to the side of the top end of the water sump away from the water inlet pipe, the suction pump communicated with the sand suction pipe, and a suction frame communicated with the bottom end of the sand suction pipe. The accumulated water downwardly discharged into the water sump through the water inlet pipe can flow into the space between the net frame and the net plate, the sludge in the accumulated water is filtered and separated through the cooperation of the net plate and the net frame, the sludge is upwardly sucked out through the sand suction pipe and the suction frame by the operation of the suction pump, the sludge mixed in the accumulated water is continuously filtered and separated through the rotation of the net frame and the net plate, and then the sludge is conveyed to the suction frame below to be directly sucked out of the water sump. In this way, the sludge in the water sump can be conveniently discharged without emptying the surface water.

A method for alarming oil leakage in a hydro-generator speed control system includes the following steps: S1, reading historical time-series data of oil level in the pressure tank and oil level in the sump; S2, performing steady-state screening on the historical time-series data of oil level in the pressure tank and oil level in the sump to obtain steady-state historical time-series data of oil level in the pressure tank and oil level in the sump, H1 and H2; S3, performing linear fitting on H1 and H2 in S2 using the least squares method to obtain the fitting result, where k is the linear coefficient obtained by the least squares method fitting, b is the constant term obtained by the least squares method fitting, and is the estimated value of H2, and the fitting deviation y is calculated. The technical problem to be solved by this invention is to provide an alarm method for oil leakage in a hydro-generator speed control system. This method comprehensively considers the oil level values ​​of the pressure tank and oil sump in the hydro-generator speed control system, and can issue an alarm in the early stage of oil leakage fault.

This invention relates to a split-type oil pan assembly for outboard motors, comprising a load-bearing plate, a shock absorber, an oil suction pipe, a shock absorber cover, a sealing strip, an oil pan, and a sealing gasket. The load-bearing plate integrates an oil inlet channel, an oil return channel, and multiple mounting holes for mounting a shifting mechanism, a tray, and a shock absorber, and is equipped with stiffening ribs to enhance structural strength. The oil pan and load-bearing plate are separately configured and connected by a sealing gasket, achieving separation of oil storage and load-bearing functions. This invention achieves modularization of the oil pan's oil storage and load-bearing functions by designing a split design for the traditional one-piece oil pan. The oil pan structure responsible for oil storage can be made simpler and lighter, while the load-bearing part can adopt a multi-ribbed structure with better rigidity and higher-strength materials. This improves reliability, reduces maintenance costs, and ensures design and manufacturing flexibility.

The utility model relates to the technical field of coal mine desilting, in particular to a mine sump structure. The mine water sump structure comprises a water sump body, a sump top, a connecting steel frame, a filter frame, bolts, nuts, a positioning block, an electric push rod and a scraper, the top of the water sump body is connected with the sump top, the water sump body and the sump top are communicated, the left side and the right side in the water sump body are sump bottoms, and the left side of the middle in the water sump body is a first settling zone. The right side of the middle in the sump body is a second settling zone. The filter frame is arranged in the water sump, sludge is effectively intercepted, stable operation of the water sump is guaranteed, the electric push rod is used for driving the scraper to move vertically, the push plate is combined to automatically push out residual sludge in holes of the filter frame, then the sludge is thoroughly cleaned through the scraper, automation of the cleaning process is achieved, the whole filter frame does not need to be detached, and the cleaning efficiency is improved. And the work of maintenance personnel is greatly facilitated.

The utility model belongs to the technical field of water sump desilting, and particularly relates to a mine water sump efficient desilting device which comprises a sludge storage box and a sludge conveying pipe installed on one side of the sludge storage box, an electric push rod is installed on the top of the sludge storage box, the output end of the electric push rod is fixedly connected with a connecting rod, and the connecting rod is located on one side of the sludge storage box. A push rod is fixedly connected to the bottom of the connecting rod, a push plate is movably connected to the interior of the mud storage box, the end, away from the connecting rod, of the push rod extends into the mud storage box to be fixedly connected with the push plate, two sets of auxiliary plates are movably connected to the interior of the push plate and located on the two sides of the push plate correspondingly, and extension springs are fixedly connected to the interior of the push plate; the other end of the extension spring is fixedly connected with the auxiliary plate, and one end of the auxiliary plate extends to the outer side of the push plate. According to the efficient dredging device for the mine water sump, sludge in the sludge storage box can be compressed, so that the plot ratio of the interior of the sludge box is increased, then the sludge size can be reduced, and the working efficiency is improved.

The utility model relates to oiling device technical field, concretely is a kind of cold-rolled strip steel oiling device, including oil sump, the front and rear both ends of the right side of oil sump are fixedly connected with guide plate, the inner surface of guide plate is equipped with guide slot, the inboard of guide slot is fixedly connected with guide sliding block, one side of guide sliding block is fixedly connected with L type connecting plate, one end of L type connecting plate is fixedly installed with cleaning brush plate, the upper end of the inner chamber of oil sump is fixedly connected with taking material roller, the right end of the top of oil sump is provided with transfer roller, the upper end of the right side of transfer roller is fixedly connected with coating roller, the lower end of the right side of oil sump and the left side between cleaning brush plate are fixedly connected with spring.The utility model can clean cold-rolled strip steel surface before oiling, avoid the iron filings, scale, dust and other pollutants generated in strip steel rolling process, the adverse effect of oiling, guarantee the oiling effect of the device.

In a traditional bearing cap, the temperature of the oil-wetted surface that defines the oil sump may experience high temperatures, which can result in oil degradation, oil varnish, and coking. Accordingly, a bearing cap is disclosed that reduces the temperatures experienced by the oil-wetted surface. In particular, the bearing cap may comprise one or more air insulation cavities, between the surface that is exposed to heated air and the oil-wetted surface that defines the oil sump, to provide a thermal barrier between the two surfaces.

The utility model discloses a drainage device for geological control water. The drainage device comprises a water sump, a drainage pipe and a water pumping pipe are arranged on the water sump, one end of the water pumping pipe is connected with a water pump, a filter plate is installed in the water sump, and an anti-blocking structure is installed on the filter plate; when in use, water can be led into the water sump through the drainage pipe, sludge and impurities in the water can be filtered by arranging the filter plate, and the scraping plate can scrape the impurities on the surface of the filter plate by starting the motor I, so that the impurities are prevented from being accumulated on the filter plate and slide onto the mesh belt conveying belt along the inclined surface of the filter plate; a plurality of mesh holes are formed in the mesh belt conveying belt, redundant water in impurities can penetrate through the mesh holes to fall down, meanwhile, the second motor can be started to convey the impurities into the waste bin to be stored, the opening of the waste bin and the filter plate are arranged in a staggered mode, water can be prevented from falling into the waste bin along the filter plate when the water slides down, and the water quality is improved. Therefore, moisture of impurities in the waste bin is reduced.

The utility model discloses a secondary cooling carrier roller device which comprises a supporting frame, a cold roller assembly and a cooling assembly. A hollow roller shaft is sleeved with a sleeve, the inner wall of the sleeve is connected with a V-shaped oil storage pipe through a fixing plate, and the middle of the oil storage pipe is communicated with a connecting ring pipe and an oil conveying pipe. Labyrinth plugging blocks and built-in spring rods are arranged at the two ends of the oil storage pipe, and the top ends of the spring rods are connected with guide slopes with plugging pieces. Bearings and labyrinth plates are arranged on the two sides of the sleeve, heat dissipation bent grooves are formed in the outer side of the hollow roller shaft, and the rotating pipe is connected with the water sump and the water pipe. The device realizes automatic supply of lubricating oil through rotating centrifugal force, and guides the inclined plane to accurately guide the lubricating oil to the bearing; heat exchange is enhanced by winding airflow and the heat dissipation bent grooves, and the cooling efficiency is improved by a water circulation system; and the labyrinth plate obstructs external impurities. The self-adaptive lubricating device has the advantages of self-adaptive lubrication, efficient heat dissipation, reliable sealing and the like, oil consumption can be reduced, the service life is prolonged, and the maintenance frequency is reduced.

The utility model discloses a sliding type water sump coal slime cleaning device, and relates to the technical field of coal mine underground coal slime cleaning, the sliding type water sump coal slime cleaning device comprises a sediment box with an opening in the upper side, water outlets are formed in the top sides of the two side edges of the sediment box, and four pulleys are installed at the four corners of the bottom side of the sediment box; the four pulleys are arranged on the two sliding rails in a sliding mode in pairs, and the two sliding rails are fixedly installed on the terrace of the tunneling roadway. According to the sliding type water sump coal slime cleaning device, during normal drainage, sewage flows into the sediment box through a pipeline, coal slime is settled to the bottom through sediment, water flows out through a drainage port, and after a certain time, the sediment box can be directly pulled to the side of a roadway conveying belt through sliding of the pulleys and the sliding rails; the coal slime in the settling box is cleaned up and output through the conveying belt, rapid coal slime cleaning is achieved, the coal slime cleaning efficiency is greatly improved, and safety is also improved.

The application provides an oil sump structure assembly and a vehicle, and belongs to the technical field of lubricating systems. The secondary oil sump is arranged, so that enough lubricating oil can be reserved in the secondary oil sump under various road conditions, the oil collector can be used for extraction, the problem of insufficient lubricating oil of the engine when climbing on a large slope road is effectively improved. The detachable connection between the secondary oil sump and the primary oil sump is achieved, so that the primary oil sump and the secondary oil sump can be maintained and replaced respectively during maintenance, the maintenance convenience is good, and the maintenance cost is relatively low. The length size of the docking opening is controlled, the trend of the lubricating oil flowing out of the secondary oil sump is buffered, the lubricating oil is prevented from flowing out of the secondary oil sump quickly and in a large amount, and it is ensured that enough lubricating oil is reserved in the secondary oil sump during climbing. The oil baffle is arranged, the violent shaking of the oil is reduced, and the mixing of the lubricating oil and air to form foam is avoided.

This invention relates to the field of building construction technology. To address the technical problem of anti-buoyancy in underground structures under complex hydrogeological conditions, this invention discloses a dual-control system based on drainage anti-buoyancy and dynamic balance of underground buoyancy. The system includes a drainage unit located below the basement floor slab, comprising a drainage ditch or drain pipe to collect and divert groundwater; a sump well connected to the drainage unit to collect the collected groundwater; a drainage pipeline connected at one end to the sump well and at the other end to a rainwater storage tank or municipal drainage network to discharge the groundwater from the sump well; a submersible pump installed in the sump well to discharge groundwater through the drainage pipeline; and an automatic control device electrically connected to the submersible pump to automatically start and stop the pump based on the water level signal in the sump well. The anti-buoyancy control water level of the system is set below the level that can be balanced by the structure's self-weight and additional loads, achieving dual anti-buoyancy control through a combination of structural self-weight, additional loads, and active drainage.

The application provides a self-sealing oil sump applied to the field of engine oil sumps, and through cooperation of an upper sealing ring and a compensation sealing ring, when the oil sump is connected with a crankcase, the upper sealing ring is deformed towards the compensation sealing ring under extrusion of a connecting surface, and then the upper sealing ring is in extrusion contact with the compensation sealing ring, the compensation sealing ring is deformed downwards, when the sealing of the upper sealing ring is damaged, the compensation sealing ring gradually recovers deformation, and then an upward pushing force is generated on the inner variable ring, the sealing between the upper sealing ring and the crankcase due to damage is effectively compensated, in addition, in the process of gradual recovery of the compensation sealing ring, the extrusion force of the sealing assisting liquid on the sealing measurement ring gradually decreases, and the sealing measurement ring gradually recovers deformation, at this time, the sealing measurement ring has obvious data change, and then the sealing measurement ring can timely remind the workers, and compared with the prior art, the safety hidden danger is effectively reduced.

The application discloses a cleaning tool for cleaning a waste oil tank and a cleaning method thereof, and relates to the technical field of rail transit trains. The grease-drawing tool comprises a handle, a belt-shaped body and a pulling mechanism. The belt-shaped body is integrally formed by a single material, has a bent pre-tilting part, and is separated into a first belt segment and a second belt segment by the bent pre-tilting part. The first belt segment and the second belt segment are naturally separated to form an inherent holding cavity in a non-working state due to the resilience of the bent pre-tilting part. The second belt segment is fixedly connected with the handle. The pulling mechanism is arranged on the handle and is fixedly connected with the first belt segment inside the handle. The pulling mechanism is operable to retract the first belt segment relative to the second belt segment, force the second belt segment to arch, and thus drive the tilting angle of the bent pre-tilting part to increase. The application can explore the deepest part of a complex waste oil tank, effectively take out waste grease, avoid the blockage of the waste oil tank, and reduce the occurrence probability of bearing over-temperature early warning failure.

The utility model relates to the technical field of mining production, in particular to a quick sludge discharging device of a water sump for mine underground mining, and aims to solve the problems that sewage and sludge are not thoroughly pumped and discharged, the cleaning process of the water sump and a blow-off pipe wastes time and labor, and the cleaning efficiency is high due to the fact that a mud pump pumping and discharging mode is generally adopted in the process of discharging the sludge in the water sump in a mine at present. And finally, the sewage and sludge treatment efficiency of the mine sewer sump is influenced. The device comprises a sewage bin, a sludge discharge barrel, a sludge discharge and cleaning assembly and the like, the sludge discharge barrel is arranged on one side of the sewage bin, a sludge discharge port is formed in the lower end of the joint of the sludge discharge barrel and the sewage bin, a filter screen plate is arranged at the lower end in the sewage bin, and sewage entering the sewage bin can be conveniently filtered and separated through the filter screen plate, so that the sewage is discharged from a drain valve; sludge enters the sludge discharging barrel and is conveyed and discharged under the action of the spiral blade, and the interior of the sewage bin is cleaned through the cleaning liquid in the storage tank, so that the overall treatment efficiency of sewage in the water bin is greatly improved.

The utility model discloses an anti-inclination air suction oil pan shell, relates to the technical field of oil pan shells, and solves the problems that when a vehicle is located on an inclined road section for a long time, the liquid level of oil in the shell is inclined, the position of the oil cannot reach the position of a collector, and the risk that the collector sucks air is caused. The utility model relates to a vehicle oil pipe shell which solves the problems that when a vehicle in an inclined state is reset, oil cannot flow quickly and cannot be sucked by a collector in time, and the use efficiency of the shell is reduced due to the fact that oil flows through a through hole, the vehicle oil pipe shell comprises a shell and an oil pipe, and the through hole is formed in the bottom face of the shell. Through the arrangement of the wedge-shaped seat, when an inclined road section is encountered, due to the fact that the inclination of the inclined road section cannot form a vertical angle, the situation that oil in the collector is completely located on the other side of the collector can be effectively relieved through the wedge-shaped seat, and the collector can be effectively prevented from sucking air.

The application discloses a kind of mine sump dredging devices, including machine body, and machine body is provided with the suction shovel for sucking silt, and suction shovel includes the auger for sucking external silt and the auger for conveying silt, and auger is connected with conveying pipe, and conveying pipe is equipped with pulse air flow mechanism;The mud side of auger is equipped with the inclinedly arranged guide plate, and the push mechanism is equipped on guide plate, and push mechanism includes moving plate, and moving plate is connected with first power mechanism, and first power mechanism can drive moving plate to reciprocate along guide plate and approach or away from auger, and moving plate is hinged with the paddle;When first power mechanism drives moving plate to move towards the direction of approaching auger, paddle and moving plate are in open state;When first power mechanism drives moving plate to move towards the direction of away from auger, paddle and moving plate are in closed state.The application effectively avoids silt jam, stabilizes work load, improves dredging efficiency and equipment reliability, and prolongs service life.

The invention belongs to the technical field of sewage treatment, and particularly discloses a coal mine central sump desilting sewage and sludge treatment device which comprises a main frame, a spiral sludge scraping device and an aeration device.The interior of the main frame is sequentially connected with a mixed treatment tank, a sedimentation dosing tank and a purification aeration tank end to end; a separation grid bin is obliquely clamped at the upper end of the mixed treatment pond, a grid filter plate is mounted in the separation grid bin, sinking deposition boxes are mounted on the two sides in the separation grid bin in a communicating manner, and baffles are mounted on the upper surfaces of the two sides of one end of the grid filter plate correspondingly; the baffle and one end of the interior of the separation grid bin are connected with a pushing and scraping mechanism through an arranged reciprocating mechanism, and a mixing box is fixedly installed at the end, away from the separation grid bin, of the interior of the mixing treatment pond. And subsequent water pumps and other equipment are protected from the source, and the treatment efficiency and the system operation stability are remarkably improved.

The utility model relates to a pressure relief construction node, belongs to the technical field of pressure relief and drainage, and particularly relates to a water diversion and pressure relief construction node for a pressure relief well connecting pipe. The well pipe is fixedly communicated with the interior of the bottom plate; and the water collecting pit is fixedly installed on one side of the bottom plate, and a water suction pump is fixedly installed in the water collecting pit. The utility model achieves the effect of very strong economic benefit and social benefit, and solves the problems that the existing pressure relief well is exposed outside the bottom plate for a long time, a large amount of underground water flows out through the pressure relief well in a flood season, water is accumulated in the basement, civilized construction is poorer, and the other part of pressure relief well is positioned on the main path of the basement construction road. And the pressure relief well is damaged due to lack of pressure relief well finished product protection measures.

The utility model discloses an oil cooler, an oil cooling system, a power assembly and an automobile, and relates to the technical field of oil cooling, the oil cooler is arranged in an oil storage shell, the oil cooler is provided with a first liquid inlet and a first liquid outlet, the first liquid inlet and the first liquid outlet extend out of the oil storage shell, or the first liquid inlet is communicated with the liquid inlet of the oil storage shell, and the first liquid outlet is communicated with the liquid outlet of the oil storage shell. The first liquid outlet is communicated with the liquid outlet of the oil storage shell; the oil cooler comprises one or at least two liquid cooling plates, and cooling flow channels are formed in the liquid cooling plates. The oil cooler is arranged in the oil storage shell, the internal space of the oil storage shell is fully utilized, oil can directly and naturally flow in the oil storage shell and exchange heat with a cooling medium in the liquid cooling plate of the oil cooler, an oil passing pipeline does not need to be arranged between the oil bottom shell and the oil cooler, the structure of the oil cooler is simplified, and the oil cooling efficiency is improved. The cost of the oil cooler is reduced, and the heat dissipation efficiency is improved.