91results about How to "Avoid influx" patented technology

The invention discloses a novel quick digging and anchoring integrated machine for a rectangular coal roadway, which comprises a heading machine, a temporary support system, an anchoring system, a conveying system and a dust removing system, and also comprises a support system, wherein a sealing device is arranged between the head of the heading machine and the front of the support system; the sealing device comprises a main body plate, a movable sealing plate and left and right movable sealing plates; support hydraulic cylinders are arranged on the main body plate and an upper movable sealing plate bracket; support hydraulic cylinders are arranged on the main body plate and left and right movable sealing plate brackets as well; meanwhile, an upper movable sealing plate, the left and right movable sealing plates are provided with flexible sealing belts; the front end of a dust removing pipeline of the dust removing system is installed on the main body plate of the sealing device; and the dust removing pipeline is communicated with the space in the front part of the sealing device. The novel quick digging and anchoring integrated machine for the rectangular coal roadway, provided by the invention, employs a novel telescopic cylinder to cut and mold the width of a roadway in one step, therefore, the high efficiency is achieved, and in addition, the damage to a base plate due to repeated displacement is avoided; through cooperation of adjusting oil cylinders with flexible sealing, a top plate and lateral walls are very adaptive, so that dust is prevented from rushing into a rear working space; and meanwhile, a working environment is improved.

The invention relates to a floor anchoring constraint tunnel lining structure, so as to effectively reduce vertical deformation of a base and enhance hydraulic pressure resistance and floating resistance of the lining structure. The floor anchoring constraint tunnel lining structure comprises a primary arch wall bracing structure, a secondary lining structure, a waterproof and drainage system and a central drainage channel, and the waterproof and drainage system is arranged between the primary arch wall bracing structure and the secondary lining structure. The secondary lining structure comprises a secondary arch wall lining and a floor, the floor is located on a base leveling course, and two ends of the floor are solidified with two ends of the secondary arch wall lining. Vertical constraint members are arranged in a base rock and soil layer under the floor transversely in a spaced manner as well as in the route extension direction in a spaced manner, the lower end of each vertical constraint member extends into a stable rock and soil layer, and the upper end of each vertical constrain member penetrates the base leveling course to be fixedly connected with the floor.

The invention relates to a frame type low-position draining system tunnel lining structure. The frame type low-position draining system tunnel lining structure comprises a primary arch wall support structure, a secondary arch wall lining structure and a base plate which are sequentially arranged in an arch wall range from outside to inside and a water preventing and draining system located between the primary arch wall support structure and the secondary arch wall lining structure, wherein a tunnel bottom frame structure formed by foundation beams, short columns and crossbeams is arranged below the base plate to serve as the transverse bearing structure of the secondary arch wall lining structure and the vertical bearing structure of the base plate. The lower end of the draining system is arranged in a longitudinal tunnel draining channel in the internal space of the tunnel bottom frame structure in an oriented manner. The frame type low-position draining system tunnel lining structure has the advantages that a traditional tunnel lining tunnel bottom structural form is modified, the stress form of the tunnel bottom structure is changed, the effect of underground water on the tunnel lining bottom structure is reduced even eliminated, draining outside the lining structure is achieved at the same time, and accordingly the safety of the tunnel lining structure during operation especially in rainy and flood seasons is guaranteed.

The invention relates to a low-voltage power distribution cabinet for a power system. The low-voltage power distribution cabinet comprises a cabinet body, wherein the cabinet body comprises a top cover, a side wall, a cabinet door and a base, the low-voltage power distribution cabinet is characterized in that the side wall and the base both comprise an outer plate and an inner plate, an insulation plate is arranged outside the inner plate, a cooling sandwiched layer is arranged between the insulation plate and the outer plate, a cooling liquid is arranged in the cooling sandwiched layer, the top cover and the outer plate are connected via a screw rod, the upper part of the screw rod is provided with an optical rod, the lower part of the screw rod is provided with a thread and is in threaded connection with the outer plate, a spring sleeves the optical rod, the top cover can vertically move along the optical rod, a water storage groove is arranged on the top cover, a water baffle plate is arranged at the edge of a low end of the water storage groove, the water storage groove is connected with a water guide pipe, a temperature sensor and semiconductor refrigeration chips are further arranged in the cooling sandwiched layer, the temperature sensor is connected with a micro controller, and the micro controller is connected to power supply ends of the semiconductor chips.

The invention discloses a frame support arch tunnel lining structure. The side wall structure cracking damage due to insufficient drainage capacity when underground water increases dramatically in rainy and flood seasons is effectively avoided, the action of underground water on a tunnel lining bottom structure is reduced or even eliminated, and thus the damage risk of underground water to the lining structure in rainy and flood seasons is eliminated. The frame support arch tunnel lining structure comprises a primary arch wall supporting structure, a secondary lining structure body and a waterproofing and drainage system located between the primary arch wall supporting structure and the secondary lining structure body. The secondary lining structure body comprises an arch crown section, side wall sections and an inverted arch section. The side wall sections are side wall frame support structures and are used as bearing structures of the arch crown section. The inverted arch section is a tunnel bottom frame structure with an internal cavity. A bottom plate is laid on the top face of the tunnel bottom frame structure. An annular end opening of the waterproofing and drainage system is led to the internal cavity of the tunnel bottom frame structure.

The invention discloses a box type tunnel-bottom composite arched tunnel lining structure with a water drain function, so as to effectively prevent underground water from being introduced into a tunnel, to overcome the immersion, which is caused as the water discharge capacity of side ditches and a central ditch in the tunnel are insufficient in a rainfall-flood season, of a road bed by the underground water, and to guarantee that an underground water level is lower than the bottom plate of the tunnel, thereby removing the risk that the underground water destroys a lining structure, particularly a tunnel-bottom structure, in the rainfall-flood season. The box type tunnel-bottom composite arched tunnel lining structure with the water drain function comprises an arch wall primary supporting structure, a secondary lining structure and base leveling layers, wherein the arch wall primary supporting structure, the secondary lining structure and the base leveling layers are arranged from exterior to interior; a waterproof water drain system arranged between the arch wall primary supporting structure and the secondary lining structure communicates with a central water discharge channel. The secondary lining structure comprises an arch wall secondary lining and a box type bottom plate structure which consists of a bottom plate and a channel plate; the two ends of the bottom plate are fixedly connected with the bottom end of the arch wall secondary lining; the channel plate is sunken relative to the plate surface of a top plate to form the central water discharge channel. The upper parts of two side walls of the channel plate are provided with water sluicing pipes which are buried at intervals along the extension direction of a line; the inner end of each water sluicing pipe communicates with the central water discharge channel; the outer end of each water sluicing pipe penetrates through the base leveling layers to a base of the tunnel.

The invention discloses rapid drivage-anchoring integrated equipment for a coal road under an instable surrounding rock condition. The equipment comprises a drivage-anchoring machine and an anchor rod drill carriage, the drivage-anchoring machine comprises a cutting roller, an air draft pipeline, a material collector, an anchor rod drilling machine set and a scraper conveyor, the anchor rod drill carriage comprises an anchor rod drill drilling machine set and a scraper conveyor, the anchor rod drill carriage is arranged behind the drivage-anchoring machine, the rear portion of the scraper conveyor of the drivage-anchoring machine is located over the front portion of the scraper conveyor of the anchor rod drill carriage, a roof-caving-preventing device is arranged on the drivage-anchoring machine, a sealing device is connected below the roof-caving-preventing device, the sealing device is composed of a moving sealing rubber sheet, a fixed sealing rubber sheet, a telescopic oil cylinder, a cross beam and a telescopic beam, the cross beam is connected with one end of the telescopic oil cylinder, the other end of the telescopic oil cylinder is connected with the telescopic beam, the fixed sealing rubber sheet is connected below the cross beam, and the moving sealing rubber sheet is connected below the telescopic beam. By means of the equipment, the anchoring efficiency can be matched with the drivage efficiency, and the comprehensive drivage-anchoring efficiency is promoted.

The invention relates to a pi-shaped plate and inverted arch combined tunnel bottom lining structure. By transforming the traditional tunnel lining tunnel bottom structure style, the stress performance of a lining structure, especially a tunnel bottom structure, under the action of high water pressure or high ground stress is improved, and meanwhile, a drainage system in a tunnel is optimized, the drainage capacity of the tunnel is increased, and the water disaster risk of rainfall flood seasons during operation is reduced by combining the lining tunnel bottom structure. The pi-shaped plate and inverted arch combined tunnel bottom lining structure comprises an initial support structure, a secondary lining structure and a waterproofing and drainage system, wherein the secondary lining structure consists of a secondary lining arch wall segment and a secondary lining tunnel bottom structure, and the secondary lining tunnel bottom structure consists of an inverted arch and a pi-shaped plate arranged on the inverted arch; the pi-shaped plate consists of a top plate, a left-side vertical plate and a right-side vertical plate, and the upper ends of the left-side vertical plate and the right-side vertical plate and the top plate are fixedly combined together; the lower ends of the left-side vertical plate and the right-side vertical plate and the inverted arch are fixedly combined, and the two transversal ends of the top plate and the two ends of the inverted arch are fixedly combined; a corridor formed among the left-side vertical plate, the right-side vertical plate, the top plate and the secondary lining inverted arch can be used as a longitudinal drainage channel of the tunnel.

The invention provides a method and device for data updating in a distributed cluster environment. The method comprises the steps of trying to lock service objects recorded in a storage space shared with other application servers in a distributed system and targeted by an update request; if the locking is successful, updating corresponding data of the service objects in the distributed system; and after the updating is finished, releasing the locking of the service objects recorded in the storage space. According to the scheme, on the premise of not guaranteeing data updating accuracy, the reliability and performances of a DB server in the distributed cluster environment are improved.

The invention relates to a dust removing box and a dust removing system with the same, which are used for filtering dusty air flow. The dust removing box comprises a box body and an air filtering barrel arranged in the box body, wherein the box body is provided with an air exhaust and an air inlet; the dusty air flow enters the box body from the air inlet, is filtered by the air filtering barrel and is discharged from the air exhaust; the air inlet is close to the top of the air filtering barrel; the top of the air filtering barrel is communicated with the air inlet; and the bottom of the air filtering barrel is closed. In the dust removing box and the dust removing system with the same, an upper inlet and upper exhaust dust removing mode is adopted, so that the phenomenon that dust which has been filtered off by the air filtering barrel is continuously remixed in the dusty air flow when the continuous dusty air flow rushes into and floods the box body from the lower side of the dust removing box is avoided.

The invention discloses an adaptive micro grid energy storage system energy optimization management method. The method comprises the following steps: A, more energy for peak regulation than that in the former day by a battery in the micro grid energy storage system is determined; B, according to a ratio of the more energy for peak regulation than that in the former day by the battery to a lower limit of a battery energy storage capacity, a battery discharge threshold in the micro grid energy storage system is adjusted, when the ratio is larger than 1, the discharge threshold is reduced, and if the ratio is smaller than 1, the discharge threshold is increased. By using the adaptive micro grid energy storage system energy optimization management method of the invention, influences from real-time load fluctuation do not exist, local utilization of new energy can be realized maximally, and a large amount of excessive power can be prevented from flowing in a large grid.

The invention discloses a high-temperature hearth carbonizing furnace which comprises a furnace body casing. A carbonizing chamber is arranged in a hearth, a feeding device is further connected to the furnace body casing, the feeding device is connected with a carbonizing pipe through a feeding pipe, a combusting pipe is annularly arranged on the outer side of the carbonizing pipe, a cavity between the combusting pipe and the carbonizing pipe is divided into a combusting pipe and a pyrolysis gas distributing chamber, pyrolysis gas inlets are formed in a pyrolysis gas distributing plate, a pyrolysis gas access pipe access to the pyrolysis gas distributing chamber is arranged on the carbonizing pipe, an air pipe is annularly arranged on the outer side of the combusting chamber, and air inlets for combustion air to enter the combusting pipe are formed in the combusting pipe. The high-temperature hearth carbonizing furnace uses pyrolysis gas generated in a carbonizing process to continuously heat the carbonizing pipe, so that byproducts generated in the carbonizing process are fully utilized, waste of energy gas generated in the carbonizing process is avoided, carbonizing innocent treatment on sludge is further achieved, pollution of the sludge to the environment is avoided, energy consumption of the carbonizing furnace is reduced, and energy is saved.

The invention discloses an automatic switching device for a working hob and a standby hob of a shield machine. The automatic switching device comprises a shell, a rotating device and a retractable supporting device. An inner cavity of the shell is formed by the surface of a truncated cone, and the included angle of the axis OA of the cavity and the axis OB of a tunnel opening hole is alpha; the shell is welded to a cutterhead face plate of the shield machine; the rotating device is embedded in the cavity of the shell and provided with two hob assemblies which are in central symmetry along theaxis OA of the cavity and are of the same structure, and the axis of the working hob assembly is overlapped with the axis OB of the tunnel opening hole; an exchange sealing device is arranged in the position, located on the periphery of a cutting edge containing chamber, between the shell and the front end of a main body; and the retractable supporting device comprises a linear slurry dischargingsleeve and hydraulic cylinders, the axis of the sleeve is overlapped with the axis of the working hob assembly, and the sleeve can move forwards and backwards along the axis of the working hob assembly. The personal safety of workers is guaranteed, the times of shutdown for replacing the hobs are reduced, the operation efficiency is improved, and the construction cost is reduced.

The invention discloses a freezing preserving box for new energy outdoor medical supplies. The freezing preserving box for the new energy outdoor medical supplies comprises a body shell; the right side of the top of the body shell is rotationally connected with a solar cell panel through an adjusting rotation shaft; the left side of the bottom of the solar cell panel is fixedly connected with a fixed block; the left side of the top of the body shell is rotationally connected with a support; the bottom of the inner wall of the body shell is fixedly connected with an energy bin; the top of the inner wall of the energy bin is fixedly connected with a voltage inverter; the bottom of the inner wall of the energy bin is fixedly connected with a storage battery; and the right side of the storagebattery is fixedly connected with an energy pipe. According to the freezing preserving box for the new energy outdoor medical supplies and the using method of the f preserving box, a new energy structure can make sunlight sufficient outdoors converted into the electric energy to be stored in the storage battery, direct current in the storage battery is converted into stable alternating current through the voltage inverter so that energy can be provided for the refrigerating function of a compressor, equipment can be used outdoors, and the application range of the freezing box is widened.

The invention provides a reserved connecting port structure for an underground pipe gallery and an implementation method thereof. A rubber waterstop belt is installed in a reserved pipe gallery connecting port implemented in the early period, and the exposed part of the rubber waterstop belt is packaged and protected through foam plastic boards. A sealing steel plate with steel ribs is fixed to a cantilever arranged on the reserved pipe gallery connecting port implemented in the early period through a fixing bolt system to serve as a soil block structure. During implementation in the later period, after the sealing steel plate with the steel ribs and the foam plastic boards are detached, a connecting port of a later-period pipe gallery is connected with the reserved connecting port of the early-period pipe gallery. The later-period pipe gallery and the pipe gallery built in the early period are connected smoothly, and safety and normal operation of the early-period pipe gallery are guaranteed on the aspects of water stopping and soil blocking. Meanwhile, influences and damages to the rubber waterstop belt implemented synchronously along with the pipe gallery built in the early period during implementation of the connecting port of the pipe gallery built in the later period are reduced, and the waterstop effect and service life of the rubber waterstop belt are guaranteed.

The invention provides an open and closed chest soil pressure balance dual-mode single-shield TBM heading machine. The heading machine comprises a soil tank, a soil connection ring, a soil inlet and atelescopic oil cylinder. A soil outlet is formed on the tank wall of the soil tank. The soil connection ring comprises a fixed ring and a moving ring which are coaxially arranged. The fixed ring is fixed to the shell of the heading machine leaving from the soil outlet, and the first end ring port of the fixed ring is connected to the soil outlet. The outer ring surface of the moving ring attachesto and is slidably arranged on the inner ring surface of the fixed ring. The first end ring port of the moving ring is covered with a baffle plate. The outer edge of the baffle plate is protruded from the outer ring surface of the moving ring and is extended to form a circle of sealing edge. The sealing edge has a sealing surface used for sealing the port edge of the first end ring port of the fixed ring. The soil inlet is arranged on the ring body of the moving ring. The first end of the telescopic oil cylinder is fixedly connected to the shell of the heading machine. The second end of the telescopic oil cylinder is fixedly connected to the moving ring. The TBM heading machine is suitable for the two modes of open and closed chest soil pressure balance, and in the event of sudden water inrush, the closing of the soil connection ring can be rapidly realized, and the sealing of the soil tank is realized too.

The invention discloses a resistance device for a steel pipe pile. The resistance device comprises a circular sealing plate and a plurality of through holes formed in the sealing plate at intervals. The sealing plate is fixed in the steel pipe pile and close to the pile end of the steel pipe pile. The sealing plate is perpendicular to the inner wall of the steel pipe pile. The sealing plate sealsthe steel pipe pile. The reserved through holes are used for draining water and preventing excessive soil from inrushing into the steel pipe pile. The sealing plate is fixed to the position away fromthe pile end by a preset distance. The contact area between the steel pipe pile and soil can be increased in the pile driving process, and therefore the penetration resistance of the steel pipe pile in the soil driving process is increased through water pressure or soil pressure applied to the sealing plate. The anti-slip effect can be effectively achieved when a soft soil environment exists in the mud penetration depth range. According to the resistance device for the steel pipe pile, the structural consumables of the structure are few, and excessive extra material cost and field workload canbe avoided while the penetration resistance of the steel pipe pile is improved and the bearing capacity safety is guaranteed.

The invention relates to the technical field of printing and packaging equipment, and discloses a printing and packaging gluing device. The printing and packaging gluing device comprises two gluing frame bodies, and the two gluing frame bodies are oppositely distributed left and right. A bottom plate is fixedly connected between the two gluing frame bodies, and a placement groove is integrally formed in the gluing frame body located on the left side. The inner part of the placement groove is fixedly connected with a motor base, and the upper surface of the motor base is fixedly connected witha motor. A storage box is additionally arranged on the two gluing frame bodies, and the storage box is filled with viscous glue. A sponge plate is arranged in a box nozzle at the bottom of the storagebox, and multiple holes are formed in the sponge plate, so that the viscous glue can be sucked onto the sponge plate. In the working process of the gluing device, packaging paper is conveyed betweenan upper rotating roller and a lower rotating roller. In the packaging paper moving process, the upper surface of the packaging paper can be attached to the sponge plate, so that the viscous glue on the sponge plate is brushed on the packaging paper, and the situation that the viscous glue on the packaging paper is too much or too little can be well avoided.

The invention provides a device and a method for collecting Enteromorpha. The device comprises a ship, and a centrifugal pump and a motor are arranged on the ship. An operating water inlet of the centrifugal pump is connected with a suction tube which is communicated with an output port end of a scooping unit, and the other end of the scooping unit is provided with a suction port. More than four rollers are protruded at the bottom of the scooping unit and arranged on two sides of the scooping unit symmetrically along a center line of the scooping unit, and diameters of the rollers close to the scooping unit of the scooping unit are larger than those of the rollers at the output port end of the scooping unit. The operating water inlet of the centrifugal pump is communicated with a collection box through a discharge pipe, and a holding drain plate is arranged at one end of the collection box away from the discharge pipe. According to the device and the method for collecting Enteromorpha, the scooping unit rolls forward on a mud flat layer, so that effects on the growth of other benthon are prevented; the Enteromorpha clearing is thorough; and the Enteromorpha can be cleaned simultaneously during Enteromorpha collecting.

The invention relates to a shield tunneling construction method and a backfilling structure applied to the method. According to the method, a partition wall is arranged in a receiving well, a filling space is formed between the partition wall and the side wall where a tunnel portal is located, the filling space is backfilled with filling materials to form a supporting structure, the supporting structure is used for blocking the tunnel portal, then a shield tunneling machine breaks the tunnel portal, due to the fact that the tunnel portal is blocked through the supporting structure at the moment, water, sand and the like can be effectively prevented from rushing into the receiving well through a circular seam between the shield tunneling machine and the receiving well tunnel portal in the tunnel portal breaking process, when the shield tunneling machine is tunneled into the supporting structure, the supporting structure can be used for supporting the shield tunneling machine, and cost increase caused by arrangement of other types of supporting structures is avoided. The method and the backfilling structure can be applied to areas with poor geological conditions and dense buildings around the receiving well or vital communication lines, it is guaranteed that the shield tunneling machine safely goes out of the hole, external borrowing is avoided, the construction cost is effectively reduced, and the construction period is shortened.

The invention relates to an open caisson construction method suitable for the slit soft soil foundation and the high underground water level. An open caisson adopts a circular open caisson, and the construction steps are as follows: S1, measuring and positioning are carried out; S2, basic leveling and tamping are carried out; S3, a waterproof curtain is built; S4, cement mixing pile support is built; S5, open caisson blade feet and the well wall are built on the cement mixing pile support; S6, open caisson sinking is carried out, cement stirring pile support is cut off segment by segment in the sinking process and dug out, and the open caisson gradually sinks; and S7, bottom sealing is carried out, when the sinking well sinks to the height which is 0.1 m higher than the designed elevation,soil digging and water pumping in the well are stopped, the sinking well is enabled to sink to or approach the designed elevation under the action of the dead weight, and after sinking and stabilizing, open caisson bottom sealing can be carried out. According to the open caisson construction method suitable for the slit soft soil foundation and the high underground water level, the waterproof curtain and the cement stirring pile support are built, the eccentric and uneven settlement of the open caisson can be prevented, the pressure of the lateral slit soft soil is resisted, and collapse anda large amount of water inrush are prevented.

The invention relates to a recycling container and cleaning equipment, belongs to the technical field of household appliances, and aims at solving the problem that an existing recycling container is difficult to clean. The recycling container comprises a recycling containing cavity provided with a fluid inlet for allowing dust-containing fluid to enter the recycling containing cavity; a filtering barrel, which is used for carrying out solid-liquid separation on the dust-containing fluid entering the recycling containing cavity, is mounted in the recycling containing cavity, and is provided with a liquid inlet; and a fluid pipeline. One end of the fluid pipeline is communicated with the fluid inlet, and the other end of the fluid pipeline is communicated with the liquid inlet, so that the dust-containing fluid is guided into the filtering barrel. The recycling container is provided with the filtering barrel, so that solid-liquid separation of dust-containing fluid entering the recycling container is realized, solid impurities and waste liquid in the dust-containing fluid entering the recycling container are stored in a partitioned manner, the recycling container is convenient to clean, and bacterial nourishing caused by mixing of the solid impurities and the waste liquid is avoided.

The invention discloses a super-long steel pipe pile under a marine deep mucky soil condition. The super-long steel pipe pile comprises a pile cap, a pile body stiffening section, an extension section and a pile tip, wherein the pile body stiffening section is connected with the pile cap and the extension section, the extension section is connected with the pile tip, steel bar positioning blocks and lock catches are arranged on the outer side of the pile body stiffening section, transverse limiting grooves and longitudinal limiting grooves are formed in the inner side of the pile body stiffening section, transverse reinforcing ribs are arranged in the transverse limiting grooves, longitudinal reinforcing ribs are arranged in the longitudinal limiting grooves, and one sides of the longitudinal reinforcing ribs extends into the pile cap. The invention further discloses a construction method of the super-long steel pipe pile under the marine deep mucky soil condition. The bending rigidity of a pile body is greatly improved by welding the reinforcing ribs on the inner side of the pipe wall of the pile body stiffening section, and the construction method is particularly suitable for construction of a foundation pit supporting structure under the condition of mucky soil with slow pore water pressure dissipation and high fluidity; and the middles of lifting lugs penetrate through the pile body, two sides of the lifting lugs extend out of the outer wall, and therefore, the lifting stability and safety are improved, and potential safety hazards are reduced.

The invention discloses automatic fermenting and filtering equipment for making wine from grapes. The automatic fermenting and filtering equipment for making the wine from the grapes comprises a grape fermenting box and a secondary fermenting box, wherein a stainless steel mesh bag is arranged in an inner cavity of the grape fermenting box; the inner cavity of the grape fermenting box is communicated with the secondary fermenting box through a pipeline; a control valve is arranged at the middle part of the pipeline; a pressure limiting device is arranged on the left upper side of the grape fermenting box; the pressure limiting device comprises a valve outer cover, a valve head bulb body and a pressure release valve casing; the upper end of the pressure release valve casing is connected with a pressure limiting valve locking double-screw bolt in a running-through manner through a thread; the upper end of the pressure limiting valve locking double-screw bolt is fixedly connected with a regulating nut; a secondary filtering box is arranged at the upper part of an inner side of the secondary fermenting box. The equipment for making the wine from the grapes, which is provided by the invention, is simple in scheme, can automatically carry out filtration and pressure release, is simple to operate in a whole course, is good in the quality of made port wine, has a relatively good market prospect, and is not only suitable for use in a family, but also suitable for use in a winery.

A water decanter comprises a decanting structure, which floats on a tank and comprises a water collecting area; a water discharge soft pipe, wherein one end of the water discharge soft pipe is communicated with the water collecting area, the other end is communicated with a water outlet in the tank wall, and the decanting structure and / or the tank wall is provided with a water discharge valve, which can control the water discharge soft pipe to start / stop water discharging; and a down stroke switch, which is fixedly arranged in the tank and is in the moving route of decanting structure, wherein the decanting structure descends along the moving route as the water level goes down, and the down stroke switch is electrically connected to the water discharge valve. When the water level goes to a position that indicates the water discharging should be stopped, the decanting structure is triggered to control the water discharge valve to close the water discharge soft pipe so as to stop water discharging. The provided water decanter has the advantages that the whole process is automatic, the control is precise, the processing is efficient, the structure is simple, the cost is low, and thus the water decanter is worthy to popularize and use.

The invention provides a while-drilling water plugging device for emergency rescue drilling, relates to the field of drilling, and solves the problems that drilling needs to be switched and the drilling operation efficiency is low when a water outlet stratum is drilled. The device comprises a bypass assembly, a pneumatic spray head and a drill rod with an inner cavity, wherein at least the upper portion of the drill rod is a double-wall drill rod with an inner pipe and an outer pipe, and a containing cavity used for storing a plugging agent is formed between the inner pipe and the outer pipe; the pneumatic spray head is provided with a liquid inlet and an air inlet which communicate with each other, and the liquid inlet can communicate with the containing cavity; the bypass assembly is provided with a main flow channel and a bypass flow channel, the main flow channel communicates with the inner cavity, and the bypass flow channel is blocked from the air inlet; and when the main flow channel is blocked, the bypass flow channel communicates with the air inlet, and air can enter the pneumatic spray head to be mixed with the plugging agent and then is sprayed out. The device can be used for plugging while drilling, a large amount of water is prevented from flowing into a drill hole from a water outlet stratum, a large amount of time consumed by switching materials back and forth during traditional air drilling plugging is avoided, and the requirements for rapidness, accuracy and safety of emergency rescue are met.

The invention discloses vehicle-mounted driving recording equipment facilitating heat dissipation. The vehicle-mounted driving recording equipment comprises an event data recorder, a first fixing plate, a second fixing plate, a conical gas collecting hood and a wind guide pipe, wherein two ends of the first fixing plate and two ends of the second fixing plate are connected with a casing of the event data recorder through spring pillars respectively; a metal heat conducting plate is attached to the back of the event data recorder; the conical gas collecting hood is fixed at the top of a vehicle body and is provided with a gas inlet and a gas outlet; one end of the wind guide pipe is connected with the gas outlet, and the other end of the wind guide pipe penetrates through a vehicle body sunroof and extends to the surface of the metal heat conducting plate; an aluminum foil membrane layer is arranged on the surface of the event data recorder; a magnetic ring is arranged on a power line of the event data recorder. The equipment has the technical effects as follows: the design is reasonable, the use is convenient, the fixation is firm, use of other vehicle-mounted equipment cannot be disturbed easily, and heat dissipation is facilitated.