33results about How to "Reduce high temperature" patented technology

The present invention discloses a grinding device for processing a brake disc, which relates to the technical field of brake disc processing, and comprises a box body and a brake disc body. A placing table is rotatably installed on the top of the box body, and the brake disc body is installed on the top of the placing table. A fixed frame is fixedly installed on one side of the box body, and a mobile frame is arranged on the fixed frame. A first cross bar is arranged on one side of the mobile frame, and a grinding component for grinding the upper and lower surfaces of the brake disc body is arranged on the first cross bar. The grinding device for processing a brake disc realizes reciprocating and uniform grinding of the brake disc body by a surface grinding piece through a series of mechanical linkage structures driven by a driving motor. This mechanized grinding method is more accurate and stable than manual operation, and effectively improves the grinding efficiency and quality.

The utility model relates to the related technical field of photovoltaic arrangement, in particular to a high-temperature-resistant photovoltaic assembly, which comprises a box body and a box top fixedly arranged on the box body, a plurality of heat dissipation openings are formed in the box top, and the high-temperature-resistant photovoltaic assembly further comprises a heat dissipation assembly arranged on the box top and used for dissipating heat in the box body. The centrifugal structure is mounted on the box top and connected with the heat dissipation assembly; the heat dissipation assembly is arranged on the box top, the centrifugal structure is arranged on the box top, the heat dissipation assembly is symmetrically provided with threaded pushing pieces, the threaded pushing pieces are installed on the box top and connected with the centrifugal structure, and when the heat dissipation assembly executes heat dissipation work, the centrifugal structure drives the threaded pushing pieces to work so as to remove the partial blocking state of the heat dissipation openings. When the heat dissipation assembly works, the centrifugal mechanism is driven to generate mechanical motion so as to drive the threaded pushing piece to work and release the plugging device of the heat dissipation opening, so that the high temperature in the box body can be rapidly reduced, and the temperature in the box body is always in a stable state.

This utility model relates to the field of steering gear lubrication technology, specifically a high-efficiency and energy-saving steering gear transmission device for ships. It includes a steering gear body, a transmission gear set inside the steering gear body, multiple temperature detection units for detecting the internal temperature of the steering gear body, a liquid cooling unit body installed on the outside of the steering gear body, and heat dissipation pipes arranged inside the steering gear body. Coolant absorbs heat from the internal side of the steering gear body through these pipes. This utility model uses liquid cooling, preventing moisture and dust from entering the steering gear body, thus avoiding the shortened service life of the transmission gear set due to moisture and dust. The lubricating oil is heated and stirred before addition to ensure optimal lubrication. A lubrication pump delivers the lubricating oil between the gears, reducing the friction coefficient and heat generation, thus solving the high-temperature problem at its source and protecting the gears, extending their service life.

According to the circular tooth cutter, the maintenance process is simplified through the detachable cutter grains on the side face of the circular tooth cutting edge, and when a certain cutter grain is abraded or damaged, a user can replace the cutter grain on site by himself or herself through the detachable cutter grains. The whole cutter does not need to be sent back to a manufacturer for maintenance or directly discarded like a traditional circular tooth cutter, time and transportation cost are saved, maintenance cost is reduced, meanwhile, the smoothness and precision of a cutting surface can be ensured by using the fresh and sharp cutter grains, vibration and noise in the machining process are reduced, and therefore the final quality of a product is improved; an operator can quickly replace the circular tooth cutter without using any tool through the quick release device on the upper surface of the quick release fixing disc, so that the time required for replacing the cutter is greatly shortened, and the production efficiency and the productivity are improved; and meanwhile, an operator can quickly switch the circular tooth cutters of different specifications according to machining materials and operation requirements through the quick-release fixing disc, and the multifunctionality and adaptability of the equipment are enhanced.

The invention relates to the field of bean curd production, and discloses a double-enzyme method whole-bean bean curd production method and an integrated device, and the method comprises the following steps: S1, soybean peeling treatment; s2, soybeans are crushed, and the crushed soybeans are put into a production integrated device to be roughly ground for the first time; s3, performing wet-process accurate grinding, namely grinding the crushed soybean-water mixture again, and circularly grinding for 3-5 times; s4, emulsifying and homogenizing by using a homogenizer, and boiling the soybean milk at high temperature; s5, filling the cooked soybean milk into a specified mold or box; s6, adding a plurality of enzymes for marinating, and packaging; s7, performing sterilization by a pasteurization method, and then performing thermal forming; s8, cooling and low-temperature storage are carried out, the grinding effect can be better, different materials are added in a matched mode, shaping is carried out in a box, a pressing block is not needed to extrude yellow serofluid and wrapping cloth, then sewage generation is avoided, microbial erosion is reduced, the shelf life is prolonged, and the whole bean curd is high in fiber, high in tenacity, smooth, tender and better in taste.

The utility model provides a kind of flat blast furnace casthouse, including the blast furnace and iron tapping channel being arranged in workshop, blast furnace is arranged in the side in workshop, the bottom surface of workshop is inclined downward from the position where blast furnace is arranged, and the gradient does not exceed 1%; iron tapping channel includes the main iron channel being connected in the tapping hole of blast furnace and being inclined downward, and the gradient does not exceed 2%, the end of main iron channel is connected with the branch iron channel being inclined downward, and the gradient does not exceed 2%, the slag channel being inclined downward is connected on main iron channel, and the gradient does not exceed 2%; concrete enclosure structure is arranged in the other side of workshop, main iron channel, slag channel, branch iron channel are arranged in concrete enclosure structure, dust removal device is arranged in tapping hole. The bottom surface of the casthouse of the utility model tends to be flat, greatly reduces the gradient of iron channel and slag channel, makes molten iron flow more stable, smoke dust is blocked in concrete enclosure structure, reduces environmental pollution.

The utility model discloses a modularization data line joint, including electronic component, inner casing and outer casing, the electronic component includes PCB board, set up the plug portion of PCB board and with the display device of PCB board connection, PCB board and display device are connected through the cable, the inner casing includes upper frame and lower frame that cooperate with each other, and the outer casing includes the upper frame and lower frame that cooperate with each other. A containing cavity is defined by the upper frame and the lower frame, the upper frame is provided with a via hole, the PCB is arranged in the containing cavity, the connector stretches out of the inner shell, the display device stretches out of the via hole and then is arranged on the upper wall of the upper frame, the outer shell is integrally formed, the outer shell is provided with a positioning cavity matched with the inner shell in shape, the inner shell stretches into the positioning cavity, and the inner shell and the positioning cavity are clamped and fixed. And a window opposite to the display device is formed in the position, above the display device, of the shell. According to the connector, the connector is designed in a modular mode, namely the electronic components are arranged, then the electronic components are positioned through the inner shell, then the inner shell is fixed through the outer shell, and then modular assembly is achieved.

A kind of diamond chemical vapor deposition device, including vacuum reaction chamber, the upper portion of the vacuum reaction chamber is provided with distribution platform, the top left side of the distribution platform is connected with hydrogen pipeline, the top right side of the distribution platform is connected with carbon-containing pipeline, the lower portion of the distribution platform is provided with microwave plasma, the lower portion of the microwave plasma is provided with substrate table, the upper portion of the substrate table is provided with molybdenum support, diamond seed is placed on the molybdenum support, the bottom of the substrate table is provided with cooling assembly, the right side of the vacuum reaction chamber is provided with negative pressure fan.The utility model can better solve the problems in the prior art, create better economic benefits.

The utility model discloses a kind of transition flange structures with cooling function, it is related to flange technical field, including flange body, bearing, rotating shaft, refrigeration mechanism, spiral pipe, controller and temperature sensor, the inside of flange body is provided with rotating shaft, two bearings are provided on rotating shaft, oil storage cavity is formed between two bearings, spiral pipe and temperature sensor are provided in oil storage cavity, cooling chamber is opened in the side wall of flange body, water inlet and water outlet that are communicated with cooling chamber are opened on the side wall of flange body, refrigeration mechanism connects water inlet and water outlet, refrigeration mechanism and temperature sensor are connected with controller respectively. In the utility model, the cooling system of refrigeration mechanism, spiral pipe and cooling chamber, can effectively reduce the high temperature generated by bearing inner and outer ring and ball friction, prolongs the service life of bearing.

The invention relates to the technical field of cables, and provides a high-temperature-resistant cable for photovoltaic power generation, which comprises a conductor, an insulating layer and a sheath, and further comprises a plurality of shading mechanisms and an air cooling mechanism, the shading mechanisms are used for shading the sheath, each shading mechanism comprises a mounting ring and a shading plate, the mounting ring is detachably connected to the outside of the sheath, and the shading plate is detachably connected to the outside of the sheath. The light shielding plate is mounted on the mounting ring, the light shielding plate is movably arranged on the mounting ring, one end of the light shielding plate is fixedly connected with a connecting plate, the other end of the light shielding plate is provided with a connecting port matched with the connecting plate, the connecting plate is detachably connected to the interior of the connecting port, and the air cooling mechanism is used for conducting air cooling on the sheath and comprises a driving shaft and fan blades. The driving shaft is rotationally arranged on the mounting ring, and the fan blades are fixedly connected to the outer portion of the driving shaft. According to the technical scheme, the problem that a photovoltaic cable in the prior art lacks an active cooling part and is easily damaged in a high-temperature light environment for a long time is solved.

This invention discloses a Zn-containing carbon material suitable for battery substrates and its preparation method. The method first involves mixing and reacting an IPA dispersion of ZnCl2 and an IPA dispersion of NaBH4 to obtain a Zn-NaBH4 composite precursor. Then, the Zn-containing carbon material is prepared at low temperature and efficiently by reacting Zn-NaBH4 with CO2. This invention offers a simple preparation method, and the resulting Zn-containing carbon material exhibits good electrical conductivity, a stable chemical structure, and excellent Zn ion transport channels, demonstrating superior performance when used as a substrate material for Zn batteries.

The application discloses a kind of semiconductor wafer cutting equipment and method thereof, it is related to wafer cutting technical field, the semiconductor wafer cutting equipment, including protective shell, the inside of the protective shell is provided with crystal bar support component and cutting component, crystal bar support component is located above cutting component, cutting fluid supply device is further provided in the protective shell, the cutting fluid supply device is used to carry out fluid supply to crystal bar cutting site, the cutting fluid supply device is installed between crystal bar support component and cutting component, diamond solidification mechanism is provided on the cutting component, the diamond solidification mechanism is used to supplement diamond particles on diamond steel wire and solidifies diamond particles, diamond particle slurry is filled with the material that is cured quickly by ultraviolet light, so diamond particle slurry can be cured quickly by photo-curing lamp irradiation, to prevent cutting fluid from flushing away diamond particles as far as possible.

This invention discloses a jet microchannel heat sink, comprising a shell, which is divided into a lower microchannel layer and an upper jet generating layer by a layered plate. Several pairs of first ribs are spaced apart in each microchannel to enhance the disturbance of the fluid on the wall and near the jet orifice. A pair of second ribs is also provided between adjacent first ribs to disturb the fluid between adjacent jet orifices, resulting in a higher fluid velocity near the second ribs and helping to reduce the temperature in the middle region between adjacent jet orifices. The jet generating layer also includes several jet dispersing ribs to disturb the fluid flowing in through the jet inlet, solving the problem of uneven jet distribution. Furthermore, the structure of this invention can incorporate crossflow, and by improving the jet orifice diameter distribution, the fluid in the latter half of the microchannel still has a high velocity after the crossflow mixes with the jet, carrying away more heat and making the temperature distribution of the microchannel more uniform.

The utility model discloses an all-in-one computer which comprises a base, a supporting rod is fixedly installed at the position, close to the rear portion, of the upper surface of the base, a computer body is fixedly installed on the upper surface of the supporting rod, and a heat dissipation structure is fixedly installed at the position, close to the lower portion, of the rear surface of the computer body. The computer main body comprises a heat dissipation net, a machine body and an embedding hole, the heat dissipation net is embedded in the position, close to the upper portion, of the rear surface of the machine body, the embedding hole is formed in the position, close to the lower portion, of the rear surface of the machine body, and the heat dissipation structure comprises an outer frame, a filter net, a draught fan, an air suction pipe, a first sliding block, a first sliding groove and an embedding groove. An air suction pipe is fixedly installed on the rear surface of the fan, and a first sliding groove is formed in the position, close to the rear portion, of the upper surface in the outer frame. According to the all-in-one computer, the inside of the all-in-one computer can be quickly cooled, articles can be stored through the base, and the all-in-one computer is quick to operate and convenient to carry.

The present invention discloses a wedge-shaped screen spot welding device, which belongs to the technical field of screen spot welding. The wedge-shaped screen spot welding device comprises a fixed base, wherein fixed side plates are symmetrically fixedly connected at both ends of the fixed base, a driving mechanism is installed between the fixed side plates, an angle adjustment mechanism is fixedly installed above the driving mechanism, a flipping mechanism is fixedly connected above the angle adjustment mechanism, and a wedge-shaped screen is arranged in the flipping mechanism; mounting seats are symmetrically fixedly connected at both sides of the fixed base, and a mounting plate is fixedly connected between the two mounting seats. The present invention designs a matching angle adjustment mechanism so that the staff can make corresponding adjustments according to the welding angle required at the welding point of the wedge-shaped screen, and at the same time, by designing the flipping mechanism and the cooperation of the limit block, the wedge-shaped screen can complete the automatic flipping process without stopping or manual intervention.

The utility model discloses a waste recovery device for magnetic shoe production, which comprises a crushing unit and a discharging unit, the crushing unit comprises a crushing box and a feed hopper fixedly communicated with the top of the crushing box, two servo motors are fixedly mounted on one side of the crushing box, output shafts of the two servo motors penetrate through the crushing box and are fixedly connected with crushing rollers, and the discharging unit is fixedly connected with the crushing box. The discharging unit is arranged on one side of the crushing box and used for discharging crushed magnetic shoes and water in the crushing box, and the storage unit is arranged on one side of the discharging unit. According to the magnetic shoe waste crushing device, clean water is fed into the crushing box to reduce high temperature generated when magnetic shoe waste is crushed, water in the crushing box can be stirred through the crushing rollers, dust attached to the magnetic shoe waste can be washed away through water flow, crushed magnetic shoes can be separated from water through the separation unit, and the magnetic shoe waste can be separated from the water through the separation unit. And subsequent recycling treatment can be conveniently carried out on the crushed magnetic shoes.

The invention discloses a multi-element eutectic phase change material, a phase change slow-release salt storage filler and a preparation method, and belongs to the technical field of asphalt, the phase change slow-release salt storage filler comprises, by mass, 20-30 parts of a porous mineral, 30-60 parts of salt, 0.5-1 part of a corrosion inhibitor, 1-2 parts of silane oil, 2-5 parts of polystyrene, and 1-2 parts of the multi-element eutectic phase change material. The phase-change slow-release salt storage filler has the characteristic of temperature response, and shows completely opposite physical characteristics at different temperatures. The salt is synthesized on the surface of the salt storage filler, so that the release rate of the salt is controlled. The multi-element eutectic phase-change material has a hydrophobic characteristic, when the environment temperature is lower than the phase-change temperature, the multi-element eutectic phase-change material covering the surface of the salt storage filler is solidified into a solid from a liquid, and micro-cracks on the surface of the solid become micro-channels for promoting salt release; when the temperature is higher than the phase change temperature, the solid is converted into liquid through phase change, the micro-channel is closed, and salt release is hindered. In addition, a small amount of corrosion inhibitor and silane oil are added, so that the damage of precipitated salt to road facilities is avoided, and meanwhile, the hydrophobic effect of the salt storage filler is improved.

The method for machining the spline in the turbine disc comprises the following steps that a tooth turning tool is used for feeding into an inner cavity of the turbine disc in the axial direction of the turbine disc; setting the rotating speeds of the turbine disc and the tooth turning cutter, and an included angle between a rotating shaft of the turbine disc and a rotating shaft of the tooth turning cutter; and rough machining is conducted on the side wall of the inner cavity through large radial cutting depth, then finish machining is conducted through small radial cutting depth for many times, and the internal spline is obtained. The invention further provides a turbine disc comprising the internal spline machined through the method and an aero-engine. According to the machining method, the turbine disc internal spline meeting the roughness requirement can be directly machined on the premise that interference with the mounting edge is avoided.

The utility model relates to the field of hot melt adhesive manufacturing, in particular to a hot melt adhesive cooling device, and aims at solving the problems that in the prior art, water resources cannot be recycled, and water stains on hot melt adhesive cannot be dried after the hot melt adhesive is cooled. The number of the fixing boxes is two, the two fixing boxes are fixedly installed on the two sides of the water tank respectively, two baffles are fixedly installed on the water tank, and a first motor is fixedly installed on one of the two baffles; the pushing mechanism is arranged on one of the two baffles; and the first mounting frame is fixedly mounted on the two baffles, a round box is fixedly mounted in the first mounting frame, and a second motor is fixedly mounted at the top of the first mounting frame. Water resources can be recycled, and water stains on hot melt glue can be dried after the hot melt glue is cooled.

The utility model discloses a cooling device used after metal silicon smelting, which comprises a machine frame, a material supporting mechanism is arranged in the machine frame, and a cooling mechanism is arranged outside the machine frame. According to the material supporting mechanism, a plurality of rotating shafts arranged at equal intervals are rotationally connected into the rack, two first mounting plates are fixedly connected to the rotating shafts in a sleeving mode, a plurality of supporting rods are fixedly connected between the adjacent faces of the two first mounting plates, the supporting rods are circumferentially distributed, and gaps are formed between the multiple supporting rods at equal intervals. According to the cooling mechanism, a draught fan is fixedly connected to the top of the machine frame, an air distribution pipe is fixedly connected to the machine frame, the air distribution pipe is in a U shape, an air outlet of the draught fan is communicated with the air distribution pipe, one end of the air distribution pipe is located above the machine frame, silicon iron located in the area above a supporting rod can be normally cooled through the material supporting mechanism, and the cooling efficiency of the silicon iron is improved; and air is blown to the upper part and the lower part of the silicon iron through the cooling mechanism, so that the time required for completely cooling the silicon iron is shortened, and the cooling efficiency is further improved.

The present invention proposes a device for reducing nitrogen in the flue gas internal circulation of a dimethyl ether gas boiler burner, comprising a primary air duct, a secondary air duct is arranged outside the primary air duct, a fuel outlet pipe of a fuel pipe is arranged inside the primary air duct, the fuel outlet pipe is connected to a graded outlet pipe, a primary fuel outlet and a secondary fuel outlet are arranged on the graded outlet pipe, the primary fuel outlet corresponds to the primary air duct, and the secondary fuel outlet corresponds to the secondary air duct; a smoke return port is arranged on the secondary air duct. The present invention achieves the purpose of dispersing the temperature of the high-temperature zone by inputting fuel in stages and premixing with the air input in stages, thereby reducing the high temperature and the generation of nitrogen oxides; by providing a smoke return port on the secondary air duct, the burned flue gas is swirled into the secondary air duct for re-combustion, thereby further reducing the generation of nitrogen oxides; and the flue gas is recycled, and the heat capacity of the burned flue gas is large, thereby further reducing the combustion temperature and further reducing the generation of nitrogen oxides.

The invention relates to the field of novel energy storage, and provides a compressed air energy storage underground cavern arrangement method in order to reduce dependence on a compression process while reducing a high-temperature or ultra-high-temperature phenomenon. And the temperature is adjusted by utilizing the self temperature difference of the sequentially filled gases, so that the dependence on the compression process is reduced while the high-temperature or ultrahigh-temperature phenomenon is reduced.

The utility model discloses a cutting device for building construction steel structure production, which relates to the technical field of steel structure production and comprises a device main body, a chip guide groove is arranged on one side of the top of the device main body, and a collecting cabinet, a filter element filter, a cooling-water machine and a water pump are respectively arranged on one side of the device main body. A second motor is installed below the outer surface of the collecting cabinet, the output end of the second motor is connected with a chip removal wheel, and a filter screen is arranged on one side in the collecting cabinet. Through the arrangement of the chip guide groove and the collecting cabinet, the chip guide groove is formed below the cutting knife, the collecting cabinet is arranged in the rotating direction of the cutting knife, and water is arranged in the collecting cabinet, so that most splashing sparks are poured into the collecting cabinet by the chip guide groove and blocked by the collecting cabinet when steel is cut; finally, the sparks fall into water to be cooled and make contact with the water, and the follow-up dust raising phenomenon is avoided; sparks are effectively prevented from scalding workers, the dust raising phenomenon is effectively avoided, safety is improved, and pollution to the environment is reduced.

The utility model discloses a kind of damping devices for rotating parts, including shell and the base connected with shell lower end, damping liquid is contained in shell, sealing body is equipped in shell upper center position, rotating shaft is rotationally connected in the center position of shell upper portion, damping plate is fixedly connected in the lower end of rotating shaft, the lower portion of damping plate is fixedly connected with the damping piece of several radial directions along damping plate, the upper portion of base is fixedly provided with the fixed piece of several staggered settings with damping piece. The utility model and through damping piece and damping plate reduce the speed of rotating shaft, complete the damping vibration reduction effect, and change the original friction damping into the damping mode of high viscosity liquid, completely eliminate the wear of damping original piece, reduce the high temperature generated by friction, improve the service life of damper and rotating part, and avoid the problem that rotating part generates vibration, can effectively reduce the vibration of rotating part.

The utility model relates to the technical field of gearboxes, in particular to an outer side protection structure of a gearbox assembly, which comprises a gearbox body, a sound insulation protection shell is arranged on the outer wall of the gearbox body, and a mounting seat is fixedly connected to the bottom end of the outer wall of the sound insulation protection shell. Connecting ribs which are uniformly distributed are fixedly connected to two sides of the outer wall of the mounting seat, connecting blocks which are uniformly distributed are fixedly connected to the outer wall of the mounting seat, a heat dissipation opening is formed in the mounting seat, and a heat dissipation assembly is arranged in the heat dissipation opening. By means of the heat dissipation assembly, cold air can be conveyed into the sound insulation protection shell through the cooling coil by means of the air inlet fan and the exhaust fan, circulation is formed through the air holes in the sound insulation protection shell, and the high temperature in the transmission is reduced; the exhausted hot air can be cooled through the cooling coil in the heat preservation box, and then the hot air can be reused.

The utility model discloses a high flame-retardant polyurethane cold storage plate convenient to process, which comprises a plate body and two clamping blocks arranged on the right side of the plate body, and the plate body is composed of a first color steel plate, a first flame-retardant layer, a first heat insulation layer, a sound insulation layer, a polyurethane base layer, an anti-impact layer, a reinforcing layer, a second heat insulation layer, a second flame-retardant layer and a second color steel plate. By arranging the first flame-retardant layer and the second flame-retardant layer, the flame-retardant effect of the plate body is improved, the fire occurrence rate is reduced, the safety is improved, by arranging the first heat insulation layer and the second heat insulation layer, the heat insulation effect of the plate body is improved, external high temperature spread through the plate body is reduced, and the heat preservation effect is further improved; the sound insulation effect of the plate body is improved, noise transmission is reduced, the impact resistance effect of the plate body is improved by arranging the impact resistance layer, damage to the plate body caused by external impact force is reduced, and the strength of the plate body is improved by arranging the reinforcing layer.

The stator with the cooling cavity of the scroll compressor comprises an involute stator disc and a stator seat, the involute stator disc is arranged on the stator seat, a cooling channel is arranged in the stator seat, and the cooling channel can be communicated with an external cooling medium circulating system to cool a compression cavity. And at least part of the flow channel path in the cooling channel is matched with the involute path of the involute stator disc. The cooling channel is arranged in the stator and corresponds to the involute of the stator and the involute of the rotor, and the cooling channel can be connected with a pumping system and used for cooling the stator, so that high temperature caused by air compressed by the rotor in the compressor can be reduced.

The utility model discloses a fine powder sample preparation grinder, which comprises a vibration grinding driving device and a cooling anti-oxidation device, the upper end of the vibration grinding driving device is provided with a mounting frame, a grinding outer frame is arranged above the mounting frame, the top of the grinding outer frame is provided with a feed pipe, and the feed pipe is connected with the cooling anti-oxidation device. A discharging pipe is arranged on one side of the outer grinding frame, a cooling anti-oxidation device is arranged on the other side of the outer grinding frame, and a striking ring is arranged in the outer grinding frame. According to the fine powder sample preparation grinding machine, the striking ring and the striking block are additionally arranged, so that two objects collide with each other to grind materials during grinding, the grinding speed and efficiency are improved, the two structures are arranged in the device without connecting points, dead corners and dead points do not exist when the materials are discharged, and material residues are reduced.

The utility model discloses a soil sampling device for petroleum exploration relates to soil sampling technical field, including moving plate, and the top end of moving plate is passed through and is seted up with the through slot, and the top of through slot is provided with sampling motor and sampling pipe, and the top of moving plate is provided with cooling assembly and spraying assembly respectively, cooling assembly includes first machine shell and first mounting bracket, and the inner wall rotation of first machine shell is installed with threaded lead screw, and the bottom of threaded lead screw is passed through to the inner wall of first mounting bracket, and fixedly installed with driving wheel, and the top of first mounting bracket is provided with two rotatable fan blade, under the intercoordination of fan blade and spraying assembly, make the water mist even diffusion with the wind, and the heat absorption of water vapor evaporation is combined with air cooling, and the high temperature of sampling pipe is reduced fast because of friction, thereby prevent the risk of being scalded when taking out the soil of contact sampling pipe.

The hydraulic buffering oil cylinder comprises a hollow cylinder body and a piston rod, two oil ports are formed in the two ends of the cylinder body, and a first buffering section and a second buffering section are arranged at the two ends of a piston correspondingly, so that the piston moves to any end of the cylinder body; before the first oil port is communicated with the first oil way or the second oil port is communicated with the second oil way, the first buffer section and the second buffer section need to pass through and block the first oil port or the second oil port, during blocking, the hydraulic oil is extruded along with continuous advancing of the piston rod, and the residual hydraulic oil at the two ends of the cylinder body reversely generates acting force on the piston; meanwhile, when the piston rod enters and exits the cylinder body in a reciprocating mode, internal circulating cooling liquid can effectively absorb heat, due to the fact that hydraulic oil is extruded in a reciprocating mode, the temperature of the hydraulic oil can be reduced, the situation that abrasion is increased due to high temperature is reduced, and the sealing effect of the device is guaranteed.