39results about How to "Continuous cooling" patented technology

The invention discloses an air-water cooler for a wind driven generator, which belongs to a cooling device in the field of electrical technology and comprises a heat exchanger mounted outside a cabin of a wind turbine generator and a water jacket mounted on the outer side of the generator, the water jacket is connected with the heat exchanger through a circulating pipe to form a circulating loop, and a propeller is rotatably mounted in the circulating pipe. The propeller is in transmission connection with a rotating shaft of the generator; the rotating shaft is driven to drive the propeller to rotate so as to realize closed-loop circulation of cooling liquid in the circulating pipe; according to the air-water cooler provided by the invention, the propeller arranged in the circulating pipe is in transmission connection with the rotating shaft of the generator, and circulation of the cooling liquid can be realized by driving the propeller to rotate through the rotating shaft without depending on a circulating pump, so that in the rotating process of rotating blades of a wind turbine generator, the cooling liquid is cooled; and the cooling liquid is always in a circulating state and continuously dissipates heat of the generator.

The utility model discloses a heat radiation structure and a grid-connected cabinet. The heat dissipation structure comprises a cabinet body and a heat dissipation main body. The cabinet body is provided with an inner cavity; the heat dissipation main body comprises a shell, a heat exchange core body and a first fan; the shell is connected to the cabinet body and is provided with a flow equalizing cavity; the heat exchange core is arranged in the shell and provided with a first air channel and a second air channel which are isolated from each other, the first air channel is provided with an air return sub-flow channel and an air blowing sub-flow channel, the air return sub-flow channel and the air blowing sub-flow channel both communicate with the inner cavity, and the flow equalizing cavity communicates between the air return sub-flow channel and the air blowing sub-flow channel. The inner cavity, the air return sub-flow channel, the flow equalizing cavity and the air blowing sub-flow channel are communicated in sequence and form a closed circulating flow channel together with the inner cavity; the air inlet end of the second air duct and the air outlet end of the second air duct are used for communicating with the outside of the shell and the outside of the inner cavity and are isolated from the inner cavity and the flow equalizing cavity. And the first fan is arranged on the circulating flow channel. The heat dissipation structure in the technical scheme of the utility model has a high protection level and a good heat dissipation effect on devices in the cabinet body.

The utility model discloses a cooling mechanism for casting processing, which comprises a bottom plate, the middle of the upper surface of the bottom plate is fixedly connected with a cooling circulation box, the upper surface of the bottom plate is fixedly connected with a cooling box, the inner wall of the cooling box is fixedly connected with a filter plate, and the inner wall of the filter plate is fixedly connected with a filter screen. According to the cooling mechanism for casting machining, a casting part to be cooled is conveyed to the containing frame, an electric telescopic rod is started to feed the casting part into the cooling box, an electromagnetic valve and a circulating pump are opened all the time in the cooling process, cooling liquid can flow out of the cooling box and enter a liquid storage cavity, and the cooling liquid can flow out of the cooling box; a cooling medium enters the cooling cavity from the inlet to cool the cooling liquid in the liquid storage cavity and then flows out from the outlet, the circulating pump in the liquid storage cavity feeds the cooling liquid into the cooling box through the circulating pipe to cool a casting part, and therefore the cooling liquid can be continuously cooled, and it is guaranteed that the temperature of the cooling liquid cannot rise.

The invention relates to the technical field of air compressors, in particular to a screw air compressor device which comprises a motor and a motor shell, a motor rotor and a motor stator are coaxially arranged in the motor shell, both the motor rotor and the motor stator are filled with sealant, and an oil inlet is formed in the motor shell; the screw machine comprises a supporting shell, the supporting shell is fixedly arranged at the end, away from the oil inlet, of the motor shell, the supporting shell communicates with the motor shell, a screw is rotationally arranged in the supporting shell, one end of the screw is in transmission connection with the motor rotor, and an inlet and an outlet are formed in the supporting shell; the oil-gas separation barrel is communicated with the outlet; and one end of the oil cooling assembly communicates with the oil-gas separation barrel, and the other end of the oil cooling assembly communicates with the oil inlet. The manufacturing cost and the maintenance cost can be reduced, the cooling efficiency of the motor is improved, and meanwhile the emulsification phenomenon caused by supercooling of the oil gas barrel is prevented.

This utility model discloses an online grounding resistance monitoring device, including a fixed frame. A fixed housing is mounted on top of the fixed frame, and water storage boxes are fixedly connected to both the left and right sides of the inner wall of the fixed housing. A rotating rod is rotatably connected to the top of the inner wall of each water storage box. In this utility model, heat generated by the monitoring device is absorbed and discharged through heat dissipation fins on the outer wall of the protective housing. Then, appropriate water is added inside the water storage housing, and the water is drained into a water tank inside the water storage box through a second drain pipe inside the housing. The filling of the water tank causes a movable ring plate to rotate, which in turn causes a support rod to rotate, which in turn causes a rotating rod to rotate. The rotating rod then causes a rotating shaft to rotate, which in turn causes a cooling fan on the outer wall to rotate, dissipating the heat absorbed by the heat dissipation fins.

The utility model discloses a stainless steel casting forming technical field's a kind of stainless steel casting forming equipment with quick cooling function, including casting mould, the bottom of casting mould is provided with cooling support assembly, cooling support assembly includes heat insulation pedestal, the bottom of one side of heat insulation pedestal is provided with circulating conveying component, circulating conveying component includes input pump box, circulating conveying component is installed in the bottom of one side of heat insulation pedestal, the scheme is arranged cooling support assembly, wherein the quick cooling cavity in heat insulation pedestal is arranged circulating cooling pipeline, and is matched with input pump box and output pump box to form circulating conveying system, can be outside ultra-low temperature cooling medium high-efficiency circulating conveying to pipeline inside, by the contact cooperation structure of metal heat conduction plate and metal heat conduction strip, and the recessed groove design of the matching of casting mould bottom four around and metal heat conduction strip, can be ultra-low temperature evenly conducted to casting mould, optimizes casting cooling process.

The invention discloses a cooling device of a photovoltaic welding strip tinning machine, which comprises a rack, a traction device is arranged at the bottom of the rack, and a longitudinal cooling air injection device and a lifting device are arranged on the side surface of the rack; the cooling air injection device comprises an air pipe longitudinally arranged on the side face of the rack, two rows of opposite air nozzles are arranged on the left side and the right side in the air pipe respectively, and a gap used for penetrating through a photovoltaic solder strip tinned copper wire is formed between the two rows of opposite air nozzles. The lifting device comprises a suspension wheel, and the suspension wheel is used for changing the moving direction of the photovoltaic solder strip tinned copper wire and conveying the photovoltaic solder strip tinned copper wire to the top end of the rack; the traction device is used for pulling the photovoltaic solder strip tinned copper wire sent out by the lifting device and then sending the photovoltaic solder strip tinned copper wire into the take-up device. According to the cooling device, adjustment of the cooling device is achieved, operation is convenient, the automation degree is high, and therefore continuous, stable and efficient cooling of the photovoltaic solder strip tinned copper wire can be achieved.

The present invention relates to the technical field of industrial and mining lamps, and discloses an industrial and mining lamp with a temperature sensing function, which has an LED lamp head and an outer cover arranged on the LED lamp head and connected to an external power supply, and a temperature sensor is arranged on the LED lamp head, including: a heat dissipation cover, which is arranged between the LED lamp head and the outer cover to form an overflow base between the LED lamp head and the external air; a heat dissipation auxiliary part, which is arranged on the heat dissipation cover to guide the gas flow direction and distinguish the heat dissipation position; the heat dissipation cover includes a cover shell and an air overflow hole opened on the cover shell; the heat dissipation auxiliary part includes an outer ring partition plate group installed on the cover shell and dividing the cover shell structure based on the position of the air overflow hole, and the outer ring partition plate group is installed in a symmetrical shape to divide the guide channel, and the outer cover is provided with a connecting column extending upward, and the cover shell is provided with an extension shaft connected with the connecting column. The present invention solves the problem that the heat dissipation efficiency is poor and the heat dissipation effect is not ideal when relying solely on the material itself.

The application relates to the technical field of precision control structures, in particular to a stepping motor driving structure capable of precise control, which comprises a support, a sliding beam is slidably arranged at the upper end of the support, a movable frame for bearing and transporting working devices is slidably arranged on the surface of the sliding beam, a supporting cylinder is fixedly arranged on the surface of the sliding beam, a stepping motor is fixedly arranged at the inner end of the supporting cylinder, a lead screw is rotatably arranged on the surface of the sliding beam, an activity plate is fixedly arranged at the inner end of the movable frame, an activity surface shell is fixedly arranged at the bottom end of the activity plate, heat dissipation fins are fixedly arranged at the inner end of the supporting cylinder, and a heat exchange device is arranged at the inner end of the activity surface shell. The supporting cylinder and the internal heat dissipation assembly are arranged outside the stepping motor, stable air flow is formed when the driving motor drives the fan blade to rotate, air is timely extracted after passing through the heat dissipation fins, the surface of the stepping motor is continuously heat-dissipated, and the heat generated by the stepping motor under the long-time power-on state can be effectively reduced.

This utility model discloses a thread grinding machine for tap production, including a bed, a drive assembly, a grinding assembly, a workpiece clamping assembly, and a cooling assembly. The drive assembly feeds the workpiece; in the grinding assembly, a servo motor drives the grinding wheel spindle and the forming grinding wheel for grinding; the workpiece clamping assembly's elastic sleeve and annular positioning boss ensure the workpiece is clamped and positioned; and the cooling assembly's atomizing jet array and coolant channels efficiently cool the grinding area. This utility model improves the accuracy and surface quality of tap thread processing, extends the grinding wheel's service life, and solves the problem of ineffective cooling in existing thread grinding machines.

This utility model relates to the technical field of air dehumidification systems, specifically disclosing a low-energy, precision-controlled low-temperature dehumidifier system. The system includes a dehumidification channel, heat pipes, an evaporator, a condenser, a compressor, an expansion valve, a heat exchanger, a low-temperature storage tank, a first pump body, a first valve body, a second pump body, and a second valve body. The heat pipes include a heat-absorbing section and a heat-releasing section. The heat-absorbing section, evaporator, heat-releasing section, and condenser are sequentially arranged within the dehumidification channel along the gas flow direction. The heat exchanger has a first heat exchange channel and a second heat exchange channel that can exchange heat with each other. One end of the first heat exchange channel, the compressor, the condenser, the expansion valve, and the other end of the first heat exchange channel are sequentially connected. One end of the second heat exchange channel, the low-temperature storage tank, the first valve body, the first pump body, and the other end of the second heat exchange channel are sequentially connected. The evaporator, the low-temperature storage tank, the second valve body, and the second pump body are sequentially connected. This utility model simplifies the control method of evaporator refrigeration and reduces manufacturing costs.

The present invention relates to a streamlined vibration quenching nucleation device and operation method, the device comprising: a crystallizer, arranged below an immersed water inlet at the bottom of an external tundish; a liquid metal cooling pool arranged on the side of the crystallizer; a cooling fan arranged on the side of the liquid metal cooling pool, thereby cooling the liquid metal cooling pool; a quenching nucleator arranged inside the crystallizer and connected with the liquid metal cooling pool, the quenching nucleator being streamlined; a cooling pipeline arranged between the liquid metal cooling pool and the quenching nucleator; a variable frequency pump arranged in the cooling pipeline; a vibration generator sleeved in the cooling pipeline and arranged between the variable frequency pump and the quenching nucleator; a baffle assembly arranged inside the quenching nucleator. The present invention sets the quenching nucleator to a streamlined shape, reduces the thickness of the solidified structure on the surface of the quenching nucleator, promotes the peeling of the crystal nucleus and the melting of the dendrite, increases the number of equiaxed crystal nucleus particles, and improves the internal quality of large continuous casting billets.

The utility model provides a kind of battery monomer, battery pack and electronic equipment, battery monomer includes: shell, the one end of shell forms opening;End cover, fixedly connected in shell at opening, to with shell define accommodating space;Electrode module, is contained in accommodating space, and the circumferential side surface of electrode module is set between the inner wall of shell and circumferential side exhaust gap;Wherein, end cover is equipped with explosion-proof valve, and end cover has by explosion-proof valve surrounds explosion-proof valve area, and exhaust area between explosion-proof valve area and shell along the radial direction of end cover, end cover has at least two support structures, at least two support structures are located exhaust area and are spaced apart in the circumferential direction of end cover, and end side exhaust gap is formed between support structure, and end side exhaust gap is communicated with circumferential side exhaust gap.The above technical scheme can at least avoid that electrode module is blocked in end cover side, ensure that end cover side is successfully exhausted, reduce the risk of battery explosion.

This invention relates to the field of aero-engine bearing testing technology, and discloses a bearing testing device, including a main shaft, a test bearing assembly, a sealing structure, and a maintenance assembly. The test bearing assembly includes a first bearing housing and a test bearing. The first bearing housing has a first air inlet. The adjusting ring of the maintenance assembly has a first end and a second end. An oil injection ring is spaced apart from the second end to form a sealing channel. A stationary ring is connected to the oil injection ring and positioned close to the second end. The first air bleed channel of the oil injection ring communicates with the second air bleed channel, and the first air bleed channel communicates with the first air inlet. The other end of the second air bleed channel communicates with the sealing channel. This invention, through the spaced arrangement of the rotating and stationary rings and the airflow guidance of the sealing channel, introduces high-temperature gas through the first air inlet of the first bearing housing and guides it into the sealing channel, recreating a real sealing scenario. This makes the bearing test verification more comprehensive and closely resembles the actual working condition, significantly improving the reference value of the test data.

The utility model relates to the technical field of lithium batteries, in particular to a novel waterproof and corrosion-resistant lithium battery which comprises a shell, an upper cover is arranged at the top end of the shell, and three fans are fixedly connected to one end of the shell. Compared with the prior art, the lithium battery pack has the advantages that mounting positions are provided for the plurality of lithium battery monomers through the base and the upper limiting seat, the base and the upper limiting seat are combined into a sealing structure, external moisture is prevented from entering and contacting the lithium battery monomers, and sealant is arranged at the contact position of the base and the upper limiting seat, so that the lithium battery pack is convenient to seal; by arranging the shell and the upper cover, a protection structure can be conveniently formed through combination, meanwhile, by arranging the three fans for energizing operation, air is driven to penetrate through the bottom position of the shell, internal heat is taken away, it is guaranteed that the whole device is in a stable state, the problems existing in the prior art are effectively solved, and the device is simple in overall structure, convenient to use and high in practicability. And popularization and use are facilitated.

The utility model belongs to the technical field of circuit boards, and particularly relates to a convenient-to-fix circuit board with a heat dissipation function, which comprises a circuit board body, a copper pipe fixedly mounted at the bottom of the circuit board body, a plurality of heat dissipation fins fixedly mounted at the bottom of the copper pipe, and support rods fixedly mounted at the bottom of the circuit board body and at four corners of the circuit board body. A mounting frame is fixedly mounted among the four supporting rods and located at the bottoms of the cooling fins, and two fans are symmetrically and fixedly mounted in the mounting frame; according to the utility model, when the circuit board body is fixed, an installation tool does not need to be used, the operation is relatively simple, personnel can conveniently and rapidly install and fix the circuit board body, and meanwhile, the circuit board body can be continuously cooled, so that the working efficiency is improved, and the working efficiency is improved. And the phenomenon that the circuit board body is damaged due to overheating of the circuit board body is avoided.

The utility model provides a high-temperature-resistant and corrosion-resistant composite seamless stainless steel pipe which comprises a pipeline part A, a compensation communicating pipe and a pipeline part B. The pipeline part A is communicated with the pipeline part B through the compensation communicating pipe. The pipeline part A and the pipeline part B are connected together through a rotating shaft; the pipeline part A and the pipeline part B have the same structure; the metal corrugated pipe is adopted as the compensation communicating pipe, thermal expansion of the pipeline is effectively absorbed, and stress damage is prevented. And the pipeline part A and the pipeline part B are connected through the rotating shaft, so that the flexibility and adaptability of the pipeline are enhanced. Particularly, the spiral line hollow pipe is additionally arranged outside the steel pipe, so that the steel pipe is protected, uniform cooling is achieved by conveying a cooling medium, and stable work of the pipeline is guaranteed. The spiral line hollow pipe can also reduce direct influence of external impact on the steel pipe, and the unique spiral structure enhances the cooling effect and the structural stability.

The application discloses an intelligent control system and method for textile flattening and winding integrated process, and belongs to the technical field of textile flattening and winding control systems, which comprises a control operation module, an induction module and the like. When the temperature sensor senses that the temperature in the system box is too high, the motor is started to drive the first rotating rod to rotate, the first rotating rod can drive the cam to rotate when rotating, the cam can extrude the extrusion plate when rotating, the spring is elongated at this time, and the guide rod is driven to slide on the guide ring, and the cleaning brush is driven to rise, the rack is driven to move when the cleaning brush moves, the gear is driven to rotate when the rack moves, and the second rotating rod is driven to rotate when the gear rotates.

The invention discloses a bimetallic cylinder body structure for an axial plunger pump, and relates to the technical field of axial plunger pumps, the bimetallic cylinder body structure comprises an axial plunger pump cylinder body, the top of the axial plunger pump cylinder body is fixedly communicated with an oil inlet shell, the top of the oil inlet shell is fixedly communicated with an oil conveying pipe, one end of the oil conveying pipe is provided with a filtering and cooling mechanism, and the other end of the oil conveying pipe is provided with a cooling mechanism. The filtering and cooling mechanism comprises a filtering unit, the filtering unit is arranged at one end of the oil conveying pipe, and the filtering unit is used for filtering hydraulic oil input into an inner cavity of the axial plunger pump cylinder body. Hydraulic oil flowing to the axial plunger pump cylinder body can be filtered, abrasion of parts in an inner cavity of the axial plunger pump cylinder body caused by impurities in the hydraulic oil is avoided, meanwhile, the cooling unit is used for cooling the hydraulic oil, the viscosity of the hydraulic oil is increased, and the problems that the viscosity is reduced and leakage occurs due to heat generated by friction when the hydraulic oil flows are solved.

This invention discloses an environmentally friendly water-based fire-fighting composite material for thermal runaway protection and its preparation method. The invention uses superabsorbent resin, epoxy resin, and a special fire-fighting liquid as main raw materials, which are mixed and then vibrated to form the composite material. The superabsorbent resin absorbs water to form a gel network, uniformly coating and fixing the special fire-fighting liquid to form a stable honeycomb composite structure. The epoxy resin provides mechanical support and a thermally conductive framework, jointly achieving integrated fire-fighting, heat dissipation, shock absorption, and thermal insulation functions. The material of this invention features flame retardancy, high-efficiency heat dissipation, shock absorption, and strong low-temperature adaptability. It can be filled between battery modules and PACK shells to quickly suppress fire and absorb impact during thermal runaway, while maintaining structural integrity and functional stability over a long period. The material preparation process is simple, environmentally friendly, and non-toxic, making it suitable for the safety protection of new energy battery systems.

The utility model discloses a cooling device for processing a CPVC electric power pipe, and relates to the technical field of electric power pipe cooling. The water cooling device comprises two first supporting frames, and a conveying mechanism and a water cooling mechanism are arranged on the two first supporting frames. The conveying mechanism comprises two first rotating shafts rotationally connected between the two first supporting frames, the two first rotating shafts are arranged on the left sides and the right sides of the two first supporting frames, and the front ends and the rear ends of the two first rotating shafts rotationally penetrate through the side walls of the two first supporting frames correspondingly and extend to the outside. Through mutual cooperation of the novel conveying mechanism and the water cooling plate, the problems that due to the excellent performance of CPVC electric power pipes, the CPVC electric power pipes are used more and more widely, the CPVC electric power pipes need to be subjected to thermal forming hardening during production, the CPVC electric power pipes need to be placed on a conveying belt and then conveyed to the position below a cooling device through the conveying belt to be cooled, and the production efficiency is high are solved. However, when the conveying belt conveys the CPVC electric power pipe, the CPVC electric power pipe is prone to deviation or shaking, and therefore conveying is not stable.

The present invention relates to the technical field of greenhouses, and in particular to a solar greenhouse and a greenhouse control method based on automatic temperature control, comprising a greenhouse body, a temperature control device, a temperature monitor and a wind speed monitor, wherein the temperature control device comprises an installation bin, an air intake structure and a temperature regulating mechanism; the air intake structure comprises an annular plate, which is arranged inside the installation bin; the temperature regulating mechanism comprises a first air collecting hood, two groups of first air ducts, two groups of second air ducts and a first driving structure, wherein one end of the first air duct is located inside the installation bin, and the other end of the first air duct extends into the greenhouse body, the second air duct is arranged inside the first air duct, and the input end of the second air duct passes through the bottom of the installation bin and extends into the greenhouse body, and the first driving structure is arranged in the middle of the first air collecting hood; the present invention arranges an installation bin, an air intake structure and a temperature regulating mechanism, thereby avoiding possible damage to plants when low-temperature air is directly discharged.

The utility model discloses metal processing equipment with an adjusting mechanism, which belongs to the technical field of metal processing, and comprises a machine body, the side surface of the machine body is connected with a fixed seat, a rotating mechanism is connected in the fixed seat, the rotating mechanism comprises two first rotating shafts, the two first rotating shafts are rotationally connected in the fixed seat, and the adjusting mechanism is arranged in the fixed seat. The two first rotating shafts are externally connected with first gears, and the two first gears are externally engaged with second gears. According to the metal machining equipment with the adjusting mechanism, the machine body and the workbench are arranged, a motor is started, and when the motor drives a first rotating shaft and a first gear to rotate, an electromagnetic box is in a power-off state, so that adsorbed scraps can fall into a collecting box, and the metal machining equipment can automatically adsorb and collect the scraps; and the situation that chippings are prone to splashing everywhere due to the high rotating speed of the main shaft of the milling machine is avoided, the working difficulty of milling machine cleaning is lowered, and the situation that workers are scalded due to splashing is also avoided.

The utility model discloses all-in-one power supply monitoring equipment, which relates to the technical field of monitoring equipment and comprises a monitoring machine body and a mounting assembly, the outer side of the monitoring machine body is of an integrally formed steel structure, and the mounting assembly is arranged on the outer side of the monitoring machine body. The mounting assembly comprises a protective shell, a fixing groove, fixing plates, mounting plates, threaded mounting holes and fixing bolts, the protective shell is arranged on the outer side of the monitoring machine body, the fixing groove is formed in the front side of the inner surface of the protective shell, the fixing plates are mounted on the two sides of the rear surface of the fixing groove, and the mounting plates are arranged on the surfaces of the two sides of the front end of the monitoring machine body. According to the all-in-one power supply monitoring equipment, the monitoring machine body can be rapidly installed through the installation assembly, the monitoring machine body can be well protected, the heat dissipation effect of the all-in-one power supply monitoring equipment is enhanced through the heat dissipation assembly, continuous heat dissipation can be kept, and the situation that components are damaged due to the fact that the internal heat degree is too high is avoided.

The utility model discloses a laser engraving machine with a laser head efficiently cooled, which comprises an engraving machine body, an engraving head arranged on the engraving machine body, a copper heat dissipation piece arranged at the bottom of the engraving head, heat dissipation holes arranged on the copper heat dissipation piece, heat dissipation fins arranged on the outer side of the copper heat dissipation piece, a nozzle arranged at the bottom of the copper heat dissipation piece and an installation piece arranged on the outer side of the engraving head. An air groove is formed in the bottom of the installation part, a copper cooling fin is arranged on the inner side of the air groove, an air box is arranged on the outer side of the air groove, a fan is arranged in the air box, and a water tank is arranged above the installation part. The heat dissipation holes and the heat dissipation fins enable the carving head to dissipate heat quickly, the circle of copper cooling fins are used for dissipating heat of the carving head, and the fan blows air into the air groove, so that the copper cooling fins are lowered quickly, the copper cooling fins continuously dissipate heat of the carving head, and hot air is exhausted through the air outlet.

The utility model relates to cooling equipment and a tritium carbon sampling device, a first liquid storage tank is provided with a first liquid storage cavity, a first liquid conveying port and a first liquid return port, the first liquid storage cavity is used for storing first cooling liquid, and the first liquid conveying port and the first liquid return port are both communicated with the first liquid storage cavity; the first conveying pump is provided with a first liquid pumping opening and a first liquid feeding opening which are communicated, and the first liquid pumping opening is communicated with the first liquid conveying opening; the refrigerating mechanism comprises a refrigerating plate and a refrigerating bin, the refrigerating plate is connected with the refrigerating bin, the refrigerating bin is provided with a first liquid inlet, a first liquid outlet and a refrigerating cavity, the first liquid inlet and the first liquid outlet are both communicated with the refrigerating cavity, and the first liquid inlet is communicated with the first liquid feeding port; one end of the heat exchange pipeline communicates with the first liquid outlet, and the other end of the heat exchange pipeline communicates with the first liquid return opening. Compared with the prior art, the cooling equipment and the tritium carbon sampling device can be used for continuously cooling the absorption liquid, so that the cooling effect is ensured.

The application discloses a kind of to cancel cab unmanned wide-body dump truck electric drive cooling system, comprising, cooling component, first cooling circuit, second cooling circuit and cooler, the first cooling circuit and the second cooling circuit are connected with the cooler respectively, the first cooling circuit and the second cooling circuit are connected in parallel;Air inlet component, the cooler is matched with the air inlet component, the air inlet component includes conical air inlet, ventilation piece, spray piece, rotating part and scraper, the conical air inlet is connected with the ventilation piece, the spray piece and the rotating part are installed on the ventilation piece, the rotating part is matched with the spray piece, and the scraper is matched with the rotating part.The device can continuously cool the electric drive equipment, avoid high temperature of equipment, and have the function of automatically cleaning dust, avoid cooling equipment blockage.

The application provides an energy-saving oil-cooled motor with anti-throwing sealing and belongs to the technical field of cable joints. The motor comprises a cable, a gland head is sleeved and fixed on the outer wall of the front end of the cable, a connecting ring is threadedly connected to the bottom of the gland head, and a fixing ring is fixedly connected to the bottom of the connecting ring. The metal sheet is arranged to isolate part of the heat transmitted by the motor. When the remaining heat is transmitted to the rubber ring II, the heat is cooled by the internal cooling oil. The rubber ring at the bottom of the core wire groove can be separated to facilitate installation on the core wire, and then the core wire is inserted into the core wire groove. Then, the outer wall of the core wire is blocked to prevent water vapor or moisture at the bottom from entering the device through the core wire groove. Meanwhile, the sealing ring I in the gland head and the sealing ring II in the fixing ring seal the top of the gland head and the motor to prevent hot oil in the motor from flowing into the device. Thus, the device is resistant to oil and high and low temperatures, and the limited sealing and effective shielding of the product are realized.

The invention relates to the technical field of drilling tools, in particular to a high-temperature-resistant oil and gas drilling axial impact acceleration device which comprises an upper connector, an outer cylinder, a lower connector, a flow dividing gland, an impact seat and an axial impact device. The outer cylinder is fixedly mounted on the outer side of the lower end of the upper connector, the lower connector is fixedly mounted on the inner side of the lower end of the outer cylinder, and a limiting table is arranged on the inner side of the lower end of the outer cylinder; and a shunting gland with the upper end positioned in the upper joint is fixedly mounted on the upper side of the limiting table. The device is reasonable and compact in structure and convenient to use, by arranging the eccentric connecting shaft, the eccentric connecting shaft can generate vertical height change along with rotation of the left impeller and the right impeller, and therefore the impact hammer connected with the lower portion of the eccentric connecting shaft through the impact transmission assembly can do periodic reciprocating axial motion to generate axial impact force; by arranging the flow dividing gland, drilling fluid sequentially passes through the side flow hole, the cooling inlet hole, the cooling vertical hole and the cooling outlet hole and then flows out of the lower connector, continuous cooling of the axial impact device is achieved, and the axial impact device has the advantages of being stable, reliable and efficient.

The present invention relates to the technical field of transformers, and discloses an integrated transformer, comprising: a transformer body; a bottom plate; a shell; a baffle; a moving mechanism; a heat dissipation mechanism; a top plate; and a wiring port; a moving mechanism is arranged on the lower surface of the transformer body, a bottom plate is arranged on the lower surface of the moving mechanism, the upper surface of the bottom plate is fixedly connected with the shell, the upper surface of the bottom plate is provided with a heat dissipation mechanism, the upper surface of the bottom plate is rotatably connected with the baffle, the moving mechanism comprises a support frame, the upper surface of the support frame is fixedly connected with the lower surface of the transformer body, and the left and right sides of the support frame are rotatably connected with rotating wheels. The integrated transformer utilizes the settings of the shell, the baffle, the support frame, the transformer body and the bracket. After the baffle is opened, the L-shaped connecting block is pulled by the bracket to slide on the support frame, and the support frame and the transformer body are pulled outward at the same time, so that the staff can repair the transformer conveniently.