19results about How to "Slow cooling" patented technology

The invention provides an inertia friction welding auxiliary machining device for dissimilar materials and a working method of the inertia friction welding auxiliary machining device, and belongs to the technical field of friction welding. The problem that in the prior art, the heat preservation effect cannot be improved at any time of welding according to the process requirement is solved. The device comprises a main shaft side box body, a main shaft side clamp, an external blowing assembly, a main shaft side to-be-welded piece, a movable sliding table box body, a lathe bed, a tailstock side clamp, a tailstock side to-be-welded piece and a heating mechanism, the main shaft side box body is installed on one side of the lathe bed, and the movable sliding table box body is installed on the other side of the lathe bed in a sliding mode through a movable sliding table rail; the main shaft side clamp is installed in the main shaft side box body through the main shaft fixing seat, the external blowing assembly is arranged on the outer side of a welding area of a main shaft side to-be-welded piece, the tailstock side clamp is installed in the movable sliding table box body through the tailstock fixing seat, and the heating mechanism is arranged on the outer side of the welding area of the tailstock side to-be-welded piece. The device is mainly used for protecting the welding area of friction welding.

The utility model discloses an acrylic resin production stirring kettle which is characterized in that a flowing groove and a sprinkler head are arranged in a kettle body, an energy gathering tank is arranged, and a hot water cavity, a standby cavity and a cold water cavity are arranged in the energy gathering tank, so that hot water in the hot water cavity exchanges heat with the kettle body through the flowing groove during polymerization reaction; when the temperature in the kettle body is too high, cold water in the cold water cavity is poured into the flowing groove to absorb heat in the kettle body, warm water completing heat exchange is stored in the standby cavity, and raw materials are discharged after processing is completed; the inner wall of the kettle body is flushed through hot water in the hot water cavity and the sprinkler head, warm water in the standby cavity is fed into the hot water cavity for supplementing, energy consumption during heating is reduced, raw materials in the kettle body can be rapidly cooled through the arrangement, redundant heat energy in the kettle body can be utilized, and energy consumption is reduced.

The invention discloses a normal-pressure smelting and casting process for Ti-containing stainless steel, which comprises the following specific process flows: step A, feeding designed raw materials into an intermediate frequency furnace for steel melting; the raw materials in the step B enter an AOD furnace for degassing, deslagging and refining to purify molten steel after being molten; step C, transferring into an intermediate frequency furnace, adding composite slag to make high-alkalinity reducing slag, and covering the molten steel surface with the high-alkalinity reducing slag; d, after the white slag is kept stable, TiFe starts to be added; e, steel tapping is prepared; f, tapping is started after the components are adjusted to reach the standard; g, blowing argon in the whole tapping process, adding a final deoxidizer for final deoxidation protection, and quickly transferring the steel slag into a steel ladle; and H, product casting molding is conducted. Compared with the prior art, argon blowing is adopted in the whole process to isolate outside air, refining is conducted through the AOD furnace, the content of N and the content of S in the molten steel are reduced through argon blowing and oxygen blowing, and a stable reducing slag system is established to cover the molten steel surface in the whole process so as to protect the surface of the molten steel from being oxidized.

The application discloses a dry-type transformer with high-temperature protection function, which comprises a base assembly and a regulation mechanism, a shell component is arranged on the top side of the base assembly through bolt assembly, an opening and closing assembly is arranged on one side of the shell component through plug-in connection, and a power transformation mechanism is arranged on the inner top side of the shell component through adhesion. The device is mainly characterized in that the regulation mechanism is arranged in the shell component, the temperature of the working state of the device is sensed by a temperature sensor of the device, a signal is transmitted to the regulation mechanism, power is output by an internal motor to drive the meshing transmission gear set, the screw rod set is driven to operate, the size of the opening is adjusted by changing the position of the adjusting plate and the sleeve cabin, under the action of the heat dissipation fan of the heat dissipation component, the high-temperature air in the device can be discharged from the device in time, so that the effect of slow cooling is achieved, and the irreversible damage of the power transformation mechanism caused by the too fast cooling range is avoided.

The utility model aims to provide a device for heat preservation of a high-temperature wire coil, which solves the problem that the temperature of the high-temperature wire coil is reduced too fast during transfer, and comprises a driving assembly, a consignment assembly and a heat preservation assembly, the driving assembly comprises a motor, a stand column, a hanging strip and a sliding seat, the motor is arranged on the stand column, and the hanging strip is arranged on the sliding seat. The sliding base is arranged on the stand column in a sliding mode, the two ends of the chain are connected with the two ends of the sliding base respectively, and the chain is meshed with the driving end of a motor. The first supporting plate and the second supporting plate are used for putting down the high-temperature wire coil when being far away from each other, the high-temperature wire coil enters the heat preservation channel after being taken out of the furnace, the first supporting plate and the second supporting plate also enter the upper portion of the heat preservation channel, and the first supporting plate and the second supporting plate descend by the set height. In this way, the high-temperature wire coil is covered with the first heat preservation cover and the second heat preservation cover in the falling process, cooling of the high-temperature wire coil is slowed down, and therefore the problem that the temperature is too fast reduced in the high-temperature wire coil transferring process is solved.

The invention discloses a U-turning machine for rapid transportation of steel billets, comprising a rotating bracket, a slewing device, a dynamic support device, a driving device, and a lifting device; the rotating bracket is movably connected to a foundation through the dynamic support device; the inner end of the rotating bracket is rotatably connected to the foundation through the slewing device; the outer end of the rotating bracket is drive-connected to the foundation through the driving device; and the lifting device is arranged on the rotating bracket. The U-turning machine can realize the direction of the steel billet on the cooling bed to any angle of 270 degrees, realize the transfer of the steel billet to the transport roller in the shortest time, realize the rapid transportation of the steel billet, realize the hot loading and hot delivery function, the surface scratches of the steel billet are small, the quality of the steel billet is well guaranteed, the steel transportation time is short, the equipment investment is small, the floor space is small, and the temperature drop of the steel billet is small.

The invention relates to a drive axle assembly structure of a wet brake system of a 5-12T forklift, and relates to the technical field of wet brake drive axles. Comprising an axle housing, a brake and a hub, and the brake adopts a wet brake to brake the hub; a brake gear ring is fixed to the side, close to the wet brake, of the hub and conducts friction braking through a friction pair in the wet brake, and then the hub is braked. And a rotating shaft lip-shaped sealing ring and a box type oil seal are arranged between the brake gear ring and the wet brake for double sealing. The wet brake is adopted, the installation sealing mode of the wet brake is designed, and the defects of a shoe type or caliper disc brake in the prior art in the aspects of sealing performance, stability, heat dissipation effect and anti-pollution capacity are overcome; and the structure and the material process of the transmission gear pair of the main speed reducer are optimized, so that the size and the weight are reduced while the strength is ensured.

The utility model discloses a high-sealing building fireproof door which comprises a wall body, a door frame arranged on the inner wall of the wall body, a spraying device arranged above the door frame, a hinge arranged on one side of the door frame, a door leaf arranged on one side of the hinge, door locks symmetrically arranged on the two sides of the door leaf, and a cooling device arranged on the inner wall of the door leaf. A connecting pipe is arranged above the water storage tank. Smoke sensors are symmetrically arranged on the two sides of the door frame. Fireproof plates are symmetrically arranged on the two sides of the inner wall of the door leaf. Smoke-proof sealing strips are fixedly arranged on the side edge of the door leaf. A spring door closer is arranged on one side of the door frame. Through mutual cooperation of the structures, the purposes that cooling spraying can be conducted on the periphery of the fireproof door, flame diffusion is reduced, and the fireproof door body is cooled are achieved.

According to the electric heating device disclosed by the utility model, waste heat in a coil pipe at a cast aluminum hot water end part is absorbed and cooled by a water flow channel at a water outlet end and a shower head connected with a water outlet, so that the temperature of a cast aluminum surface at the hot water end of the coil pipe is reduced; and meanwhile, the temperature of the cold water energy storage block is reduced, so that the waste heat cooling effect of the electric heating device is better, the same waste heat cooling effect is achieved, the use amount of the cold water energy storage block is reduced, and the production cost of the cast aluminum electric heating device is reduced.

The utility model relates to the technical field of fabric processing, and disclose a kind of processing device of chenille double-layer wrinkled fabric, including processing frame, the left cleaning frame and right cleaning frame are sequentially equipped in the side of processing frame from front to back, the upper surface of processing frame is equipped with press frame and lower heating plate, press motor, press screw, press plate, upper heating plate.The utility model structure is reasonable, glue in glue tank is extracted by glue pump rotation, fabric surface is sprayed with glue by the glue nozzle under glue pipe, fabric can be well bonded, reduce fabric cracking when using, the upper heating plate under press plate heats up, the lower heating plate on press frame heats up, press motor makes press plate move downward and press the fabric in press frame and press plate, upper heating plate and lower heating plate heat up to make two different fabrics combine quickly, reduce the incomplete combination of part in two fabrics during pressing, which leads to cracking in later period and affects use.

The invention discloses a limited space electromechanical structure fixing and connecting piece for air conditioner ventilation in the technical field of electromechanical structure fixing and connecting pieces, and the limited space electromechanical structure fixing and connecting piece comprises a temperature sensor, a shell, a motor and a connecting end, the connecting end is rotatably connected to the interior of the shell through a connecting rod, and blades are fixedly connected to the connecting end; an output shaft of the motor is fixedly connected with a supporting piece, and a driving ring is arranged on the left side of the supporting piece. When heat dissipation is needed, the motor moves leftwards relative to the connecting end, the contact between a heat accumulation area between the motor and the connecting end and external cold air is increased, the heat accumulation area between the motor and the connecting end is reduced, and therefore cooling is facilitated, synchronous rotation of the motor and the connecting end is completed through clamping of the clamping blocks, and the cooling efficiency is improved. When the motor rapidly moves to the leftmost side and the clamping block clamps the connecting end, although the distance between the motor and the connecting end is prolonged, the motor can still stably and rapidly recover rotation under the clamping of the clamping block.

The application relates to the field of welding and discloses an automatic welding method and device for a large ring-shaped component girth weld, which comprises the following steps: vertically clamping a workpiece on a biaxial positioner with rotary and overturning degrees of freedom; during the welding process, the spatial inclination of the workpiece is adjusted in real time through the biaxial positioner, the included angle between the weld line normal and the direction of gravity is maintained within a preset angle range, the workpiece is uniformly rotated through the biaxial positioner, the weld line sequentially passes through a composite welding head at a fixed spatial position in the circumferential direction, and a welding robot keeps the spatial posture of a welding gun fixed and only compensates the position based on a weld line tracking signal. The application has the beneficial effects that the flat welding state is kept during the whole welding process, the welding robot keeps the posture of the welding gun fixed, only the position compensation is carried out through the weld line tracking signal, the spatial angle of the welding gun does not need to be frequently adjusted, the unified and stable control of the welding parameters is realized, and the overall consistency of the girth weld is ensured.

The utility model relates to the technical field of fresh-keeping equipment, in particular to an electromagnetic coupling super-ice-temperature preservation box with an in-situ monitoring system, which solves the problem that a worker does not know whether a preserved article is deteriorated or not in the prior art and comprises a box body, and a box cover is movably connected to the top of the box body. An electric field generating assembly, a magnetic field generating assembly and a temperature adjusting assembly are arranged in the box body, and an in-situ monitoring assembly is further arranged in the box body. The device has the beneficial effects that the electric field generating assembly is used for generating an alternating electric field to play a role in precooling the interior of the box body; the magnetic field generating device can generate a magnetic field, the magnetic field enables water molecules to be directionally arranged, mutual contact among the water molecules is reduced, and the effect of inhibiting generation of ice crystals is achieved, so that the supercooling point of food is reduced, and the supercooling degree of the food is improved; the temperature adjusting assembly is used for reducing the temperature of the space in the box body and achieving super-ice-temperature preservation. The in-situ monitoring assembly is used for monitoring the quality of food, and the problem that food deterioration cannot be found in time is avoided.

This utility model provides an atmospheric pressure high-efficiency electrode boiler system, which includes an electric heating tank, an electric heating electrode disposed on the electric heating tank, and an external heat exchange system connected to the electric heating tank; the electric heating tank is filled with high-carbon molecular heating oil; the electric heating tank is provided with a reaction additive addition port; the electric heating electrode is inserted into the high-carbon molecular heating oil; the external heat exchange system includes a first circulation pump connected to the electric heating tank and a heat exchanger connected to the outlet of the first circulation pump; the heat exchanger is connected to the load side; the inlet of the first circulation pump is connected to the outlet of the electric heating tank; the outlet of the first circulation pump is connected to the heat source side inlet of the heat exchanger; the heat source side outlet of the heat exchanger is connected to the inlet of the electric heating tank. This utility model has the characteristics of low manufacturing cost, stable, safe and energy-saving system.

The utility model discloses ground crack repairing equipment, which relates to the technical field of ground crack repairing and comprises a repairing trolley, a push rod, a charging barrel, a battery component and a heating component are mounted on the repairing trolley, a mounting groove is formed in the lower surface of the repairing trolley, and a material pumping component, an adjusting unit and a hot air unit are mounted in the mounting groove. And a discharging pipe is mounted on the adjusting unit. The crack repairing device has the beneficial effects that the position of a crack is determined through a camera and a display screen, the position of a discharging pipe is adjusted through an adjusting controller, a first motor, a lead screw and a movable frame, so that the discharging pipe moves to the position above the crack, it is guaranteed that a repairing material sprayed out of the discharging pipe can better enter the crack for repairing, waste of the repairing material is reduced, and the repairing efficiency is improved. And the discharging pipe can be adjusted along with the trend of the crack, so that the convenience during adjustment is improved, and the crack repairing efficiency and quality are effectively improved.

The utility model discloses a device for cleaning grease on the surface of a steel belt, which comprises a primary groove and a secondary groove which are communicated, the secondary groove is positioned in the primary groove, and the top of the secondary groove is sealed; the steel belt can enter from one end of the primary groove, penetrates through the secondary groove and then penetrates out from the other end of the primary groove; the upper brush roller mechanism is arranged in the sub-groove and can be used for brushing the upper surface of the steel belt; the lower brush roller mechanism is arranged in the sub-groove and can be used for brushing the lower surface of the steel belt; the spraying mechanism is installed on the side wall of the main groove and can spray the cleaning medium in the main groove to the surface of the steel belt entering the auxiliary groove. The inner space of the primary tank is larger than that of the secondary tank, the secondary tank is positioned in the primary tank, and a steel belt is cleaned in the secondary tank, so that even if a cleaning medium is splashed outwards in the cleaning process, the sputtering strength of the cleaning medium can be weakened due to the shielding effect of the top and the side wall of the secondary tank, the cleaning medium is mainly leaked outwards in the cleaning process, and the secondary tank is positioned in the primary tank, so that the service life of the cleaning medium is prolonged. Therefore, the water only flows into the mother tank and does not seep into the external environment, so that the environmental pollution is avoided.

The utility model discloses an external magnetic circuit structure for a loudspeaker. Comprising a T iron arranged in the loudspeaker, a short circuit ring sleeved at the upper end of the T iron, a plurality of magnets which are arranged at the upper end of the T iron and are uniformly arranged and annularly arranged on the outer side of the short circuit ring, and a magnetic conductive sheet which is sleeved at the upper end of the T iron and is positioned above the short circuit ring and the magnets. The external magnetic circuit structure for the loudspeaker provided by the utility model is low in cost, good in heat dissipation and cooling effects, light in weight, applicable to loudspeakers with different powers, and higher in practicability.

The utility model relates to high temperature calcination production technical field, concretely is a kind of tunnel kiln wind-avoiding slow cooling equipment, including heat conduction structure, the front section and rear section of heat conduction mechanism connection tunnel kiln cooling section, wherein the side of cooling section close to firing section is front section, the side of cooling section close to discharge port is rear section, further including slow wind plate and slow wind plate frame, wherein slow wind plate frame is set at the discharge port of tunnel kiln cooling section, and slow wind plate is set on slow wind plate frame. By being provided with slow wind plate and slow wind plate frame at the discharge port of cooling section, the temperature difference of the front section and rear section of tunnel kiln cooling section is made smaller under the joint action with heat conduction structure, ensure that material slowly, uniform speed cooling, solve the technical problem that material is cooled too fast in cooling section and leads to burst, fragmentation in prior art.

The application discloses a special forging forming equipment for an integrated forged valve body of a power station stop valve and a machining process thereof, which comprises a forging table, a first driving seat and a second driving seat, the top of the forging table is provided with an L-shaped fixing seat through bolts, the top of the L-shaped fixing seat is provided with the first driving seat and the second driving seat through the pedestals at both ends, respectively, one side of the first driving seat and the second driving seat is respectively provided with a first servo motor and a second servo motor through mounting seats, and the output shafts of the first servo motor and the second servo motor are connected with lead screws through couplings. In the process of forging, the valve body is cooled down quickly, the burner is used for combustion to have a heat preservation effect on the valve body, the cooling is slowed down, the valve body can be continuously forged, the forged valve body is prevented from being returned to the furnace again, the production process is prevented from being complicated, the forging openings at the two sides of the forging die are used for guiding, and the strength of the two sides of the forging die is improved.