24 results about "Joint heat" patented technology

The invention discloses a joint heat dissipation structure and a robot in the technical field of robots. The joint heat dissipation structure comprises a joint, the joint is provided with a shell, a containing cavity is formed in the inner side of the shell, a motor is fixedly arranged in the containing cavity, the joint heat dissipation structure is further provided with a heat dissipation assembly used for reducing the temperature in the containing cavity, the heat dissipation assembly is a pulsating heat pipe, and the pulsating heat pipe comprises an evaporation section and a condensation section. The evaporation section is attached to the outer wall of the motor, and the condensation section is attached to the inner wall of the shell. The pulsating heat pipe is used for heat dissipation, based on the phase change heat transfer principle, no extra fan or pump is needed, self-oscillation flowing is achieved completely through thermal driving, and the overall energy consumption of the robot is remarkably reduced. The pulsating heat pipe is small in occupied space, light in weight, simple in structure, low in maintenance cost and suitable for long-term operation, and joint movement flexibility and load capacity are effectively improved; the condensation section is attached to the inner wall of the shell, the joint shell can be heated while heat dissipation is conducted, and the warm touch feeling can be provided without extra energy consumption.

The utility model discloses a 3d vacuum insulated panel without abutted seam heat leakage. The 3d vacuum insulated panel comprises a lower barrier film, a base layer core material, a surface layer core material and an upper barrier film, the base layer core material is arranged on the lower barrier film, the multiple surface layer core materials are evenly arranged on the base layer core material, a deformation strip groove is formed between every two adjacent surface layer core materials, the upper barrier film is arranged on the surface layer core materials, and the inner side of the edge of the upper barrier film and the inner side of the edge of the lower barrier film are heat-sealed together. A bonding part is formed on the outer side of the edge of the upper barrier film. The utility model further discloses a heat preservation box. According to the heat preservation box, the base layer core material and the surface layer core material are arranged, due to the effects of the barrier film and the base layer core material, after the heat preservation box is folded along the deformation strip grooves, the problem of abutted seam heat leakage does not exist in the folding positions, and therefore the heat preservation effect of the heat preservation box is better.

The invention relates to a heat dissipation structure of a robot, and belongs to the technical field of robot heat dissipation, the heat dissipation structure comprises a robot joint heat dissipation device, a joint arm and a power transmission assembly, the robot joint heat dissipation device comprises a band-type brake body, a band-type brake rotor integrated axial flow fan, a rotor fixing shaft, a motor rotor and a stator, and a fixing shell is arranged on the outer side of the stator; and the brake fixing shell, the PCB control board and the brake fixing shell form an annular air duct. The device further comprises a rear cover, a stepped flow guide ring, a double-code disc, a buffer gasket and a sealing end cover, the power transmission assembly is composed of a synchronous wheel and a synchronous belt and drives the joints to move, accurate heat dissipation of multiple components is achieved through the integrated fan and the flow guide ring, space energy consumption is saved through cooperation of power and heat dissipation, and meanwhile transmission stability and protection performance are improved; and the device adapts to various robot joints, and the maintenance and adaptation cost is reduced.

The utility model is suitable for the technical field of thermal shrinkage intermediate joints, and provides a waterproof insulated sealed thermal shrinkage intermediate joint, which comprises a joint thermal shrinkage sleeve, the cable joint is arranged on the inner side wall of the joint thermal shrinkable sleeve; the connecting sleeve is integrally formed at one end of the joint thermal shrinkable sleeve in an injection molding manner; the cable thermal shrinkable sleeve is integrally formed at one end, far away from the joint thermal shrinkable sleeve, of the connecting sleeve through injection molding; the annular inner rib is adhered and fixed on the inner side wall of the cable thermal shrinkable sleeve through an adhesive; the fixing block and the five limiting blocks are adhered and fixed on the outer side wall of the cable thermal shrinkable sleeve through an adhesive, and the fixing block is positioned on one side of the five limiting blocks; the cable thermal shrinkable sleeve after thermal shrinkage deformation is pressed on the outer wall of the cable again through the fastening binding strip, so that tight and firm connection between the cable thermal shrinkable sleeve and the cable can be ensured, the cable thermal shrinkable sleeve is prevented from falling off from the cable under the action of external force, the sealing performance of the cable thermal shrinkable sleeve after thermal shrinkage is ensured, and the waterproof capability is further ensured.

The invention relates to a heat treatment method of 3003 aluminum alloy and a gas distribution disc, in particular to the field of vapor deposition, and the heat treatment method comprises the steps of first high-temperature rapid annealing, oil cooling, heat preservation treatment, furnace cooling, second high-temperature rapid annealing and water cooling which are carried out in sequence; the heating rate of the first high-temperature rapid annealing is greater than that of the second high-temperature rapid annealing; the heat preservation temperature of the first high-temperature rapid annealing is lower than the heat preservation temperature of the second high-temperature rapid annealing. According to the heat treatment method provided by the invention, through combined heat treatment of high-temperature rapid annealing and heat preservation treatment, the heat-treated 3003 aluminum alloy has good processability and can be used without the processes of leveling and the like after being subjected to a series of processing, and the preparation efficiency of gas distribution is remarkably improved.

The invention relates to the technical field of waterproof construction, in particular to a zero-carbon building roof deformation joint heat preservation structure which comprises a cover plate, a mounting rod is vertically and fixedly mounted on the lower surface of the cover plate, a plurality of air cavities are formed in the mounting rod, and a corrugated pipe is fixedly mounted on the surface of the mounting rod; the mounting rod is slidably sleeved with a plurality of sets of heat preservation components, each heat preservation component comprises two flexible heat preservation bodies slidably arranged on the mounting rod in a sleeving mode, and a mounting plate is fixedly mounted at one end of the corrugated pipe; the cavity wall of the air cavity is provided with an air vent, piston plates are vertically arranged in the air cavity in a sliding and sealing mode, the upper surface of the cover plate is provided with a penetrating opening corresponding to the sliding opening in position, a sliding rod is fixedly installed between the multiple piston plates, the sliding rod is inserted in the sliding opening in a sliding and sealing mode, and the top end of the sliding rod penetrates out of the penetrating opening. And the length of the flexible thermal insulation body can be quickly adjusted according to the size of the deformation joint to be subjected to thermal insulation treatment until the deformation joint is subjected to thermal insulation, so that the practicability is improved.

The invention discloses a fabricated building steel structure energy-saving system. The system comprises a vertical load-bearing steel column, a horizontal load-bearing steel beam and a heat bridge blocking system cooperatively arranged on the steel column and the steel beam. The heat bridge blocking system is composed of a node heat bridge blocking unit, a component heat bridge blocking unit, a joint heat bridge blocking unit and a detachable upgrading unit. The node heat bridge blocking unit adopts a cooperative connection structure of a metal end plate, a non-metal heat insulation block and a through bolt to realize disconnection of a metal heat conduction path of a connection node and reliable load bearing; according to the component heat bridge blocking unit, a closed cavity and a heat insulation medium are arranged in non-key stress areas of a steel column and a steel beam, so that a heat conduction path is prolonged; the joint heat bridge blocking unit is provided with a hasp seat with a heat insulation insertion strip and a U-shaped groove with a sealing heat insulation assembly through a steel column and a steel beam. And a detachable upgrading unit. According to the system, a node-component-joint omnibearing heat bridge blocking system is formed, the energy-saving effect is remarkably improved, and the system is adaptive to the whole life cycle of a building.

The utility model provides a steam pipeline connector heat preservation device which comprises two sets of semicircular pipe sleeves, one set of semicircular pipe sleeves comprises two semicircular pipes and a special bolt, pipeline flanges are connected through the special bolt and a nut, a conventional screw rod is arranged on one side of the two sides of the head of the special bolt, and a connecting rod is arranged on the other side of the head of the special bolt. The end of the conventional screw is not provided with threads, the diameter of the conventional screw is the same as that of the connecting rod, a fixing hole is formed in one end of the semicircular pipe, and the fixing hole is connected with the conventional screw or the connecting rod when the semicircular pipe wraps the pipeline. According to the steam pipeline connector heat preservation device, the pipeline is sleeved with the spliced and combined semicircular pipe sleeve, meanwhile, the semicircular pipe sleeve is limited through the fixing bolts on the flanges, the semicircular pipe sleeve is limited and fixed, efficient heat insulation cotton is laid between the semicircular pipe sleeve and the pipeline, and the heat preservation performance is improved; and when the semi-circular pipe needs to be replaced, the semi-circular pipe is also very convenient to disassemble and assemble.

The invention discloses a welding crack propagation multi-scale simulation method based on cohesion-crystal plasticity. The method specifically comprises the following steps: aiming at the limitation that parameters of a traditional cohesion model depend on macroscopic inversion, adopting molecular dynamics simulation to obtain a traction force-separation displacement relationship reflecting a microscopic damage mechanism of a crack tip, and obtaining initial parameters of the cohesion model; aiming at the problem that an idealized homogeneous model cannot reflect the influence of a microstructure of a heat affected zone of a welding joint, a method based on electron back scattering diffraction experiment reconstruction is adopted, a finite element model capable of accurately reflecting actual grain morphology and grain boundary distribution characteristics is established, and a cohesion model unit is embedded into a grain boundary. A cohesion model and a crystal plastic constitutive model are coupled, a complete cross-scale calculation framework is constructed, simulation of the whole process of a welding joint heat affected zone from microscopic damage initiation and evolution to crack propagation is achieved, and a cross-scale correlation mechanism of a welding joint crack propagation behavior is clarified.

The utility model discloses a heat preservation waterproof sealing structure for a heat supply pipeline joint, and belongs to the technical field of pipeline construction. A joint high-density polyurethane thermal insulation layer is wrapped at a joint welding seam of a working steel pipe, an electric hot melting sleeve is wrapped outside the joint high-density polyurethane thermal insulation layer, and two ends of the electric hot melting sleeve are overlapped and covered on high-density polyethylene outer sheaths on two sides of the joint high-density polyurethane thermal insulation layer. The utility model is creatively improved aiming at the traditional heat supply pipeline joint heat preservation construction technology, particularly effectively improves the integral heat preservation waterproof sealing effect at the welding seam of the pipeline joint, improves the construction quality, ensures the one-time acceptance qualification rate, and meets the design and specification requirements. The device is scientific in design, reasonable in structure, convenient to operate and safe and convenient to construct, the construction difficulty is reduced to a great extent, the construction progress is accelerated, and the consumption of manpower, time, materials and the like is effectively reduced, so that the purposes of saving cost and reasonably utilizing resources are achieved.

The application discloses a kind of for hydrogenation reactor bevel pipe heat treatment device, the hydrogenation reactor includes cylinder, the bevel pipe is connected to the cylinder, the device includes: cable placer, is arranged around the bevel pipe, for arranging cable;Cable, is movably arranged on the cable placer;Heat insulation layer, is laid between the hydrogenation reactor and the cable placer;Electric cable take-up machine, is connected to the cable, for tightening or releasing the cable.The design and calculation method of inductive heating power supply and inductor includes the design and calculation of inductive heating power supply parameters, inductive cable turns and the arrangement cable method according to the heating process and size condition of bevel pipe and cylinder.The design and calculation of inductive heating power supply and inductor, accurate arrangement power supply and inductive device, avoid the problem that traditional direct laying inductive cable needs repeated operation, improve work efficiency, and simultaneously can realize the sensitive regulation and control of inductive heating temperature.

The utility model relates to the technical field of pipeline joint heat preservation, and discloses a heat supply pipeline joint double-clip type heat preservation device which comprises four outer covers, containing grooves are formed in the inner walls of the outer covers, two splicing rings are connected to the inner walls of the containing grooves in a sliding mode, clamping strips are fixedly connected to the outer portions of the splicing rings, and the clamping strips are connected with the outer walls of the outer covers in a sliding mode. Clamping grooves are formed in the splicing rings, the outer portions of the clamping strips are slidably connected to the inner walls of the clamping grooves, the outer portions of the outer covers are fixedly connected with auxiliary assemblies used for assisting in rotary connection, the other ends of the auxiliary assemblies are fixedly connected to the outer portion of the other outer cover, and the outer portions of the outer covers are fixedly connected with connecting plates. According to the thermal insulation structure, the positions of the dismounting plate and the splicing ring are fixed by rotating the mounting screw rod, then one of the outer covers is rotated to drive the rotating block to rotate, so that the rotating shaft rotates, the two connecting plates can be aligned, and then the bolt and the nut are rotated to be fixed, so that the thermal insulation structure is mounted.

The invention provides a double-beam laser and multi-stage indirect arc combined heat source efficient welding method, the combined heat source comprises a common single laser beam, a multi-stage indirect arc and a scanning laser beam which are arranged in sequence, and the welding method comprises the following steps that before welding, a groove with a certain angle and a penetrating gap is formed in a super-large thick-wall component; the groove of the component is sequentially divided into a truncated edge penetrating area and a filling and covering area from bottom to top in the thickness direction. During welding, one-time welding double-face forming of the ultra-large thick-wall component is achieved through the synergistic effect of multiple heat sources; wherein the common single laser beam is used for completely penetrating through the truncated edge penetrating area for penetrating welding; the multi-stage indirect arc is used for performing graded filling on the filling coverage area; and the scanning laser beam is used for fully stirring the molten pool in the filling and covering area, so that molten pool metal and the side wall of the groove are completely fused, and good surface forming is obtained. The technical problem of single-pass high-quality welding bottleneck of the ultra-large thick-wall component with the thickness being 30 mm or above is solved.

The utility model belongs to the technical field of building construction, and discloses a steel bar joint heat treatment device. The steel bar joint heat treatment device comprises a heating furnace body, a heating coil and a fixing assembly, the heating furnace body is provided with a heating inner cavity, the heating inner cavity is used for containing a joint area of a steel bar, and a through hole for the steel bar to penetrate through is formed in the heating furnace body; the heating coil is arranged in the heating inner cavity, and the heating coil is used for heating a joint area located in the heating inner cavity; the fixing assembly comprises an upper pressing block and a lower pressing block, the upper pressing block and the lower pressing block are both connected to the heating furnace body, and when the reinforcing steel bar penetrates through the heating furnace body, the upper pressing block and the lower pressing block can oppositely abut against the portion, stretching out of the heating inner cavity, of the reinforcing steel bar. The reinforcing steel bar joint heat treatment device can heat a joint area of a reinforcing steel bar at different placement angles and different placement directions, is suitable for various construction scenes, and is high in practicability and high in heat treatment efficiency.

The invention discloses a pipeline three-way heat preservation layer linear cutting machining device and a using method thereof.The pipeline three-way heat preservation layer linear cutting machining device comprises a bearing base mechanism, a positioning clamping mechanism is arranged on the bearing base mechanism, and a frame moving mechanism is arranged on the bearing base mechanism; the positioning and clamping mechanism is arranged on the bearing base mechanism, the frame moving mechanism is arranged on the bearing base mechanism and is adjusted and moved according to the cutting position of the polyurethane thermal insulation pipe shell, the wire cutting mechanism is arranged on the frame moving mechanism, and the wire adjusting mechanism is arranged on the wire cutting mechanism. A series of operations of clamping and fixing, cutting position adjusting, cutting line adjusting and linear cutting of the polyurethane heat preservation pipe shell are achieved, accurate circular linear cutting is conducted on the polyurethane heat preservation pipe shell through the cutting line, the cut cross section is neater and higher in fitting degree, the cutting accuracy of a pipeline tee joint heat preservation layer is improved, and the production efficiency is improved. And the heat preservation effect of the polyurethane heat preservation pipe shell at the pipeline tee joint is greatly improved.

A kind of be applicable to double joint, three joint heat treatment water jacket water spraying structure device, including upper water jacket and lower water jacket, upper water jacket is located above lower water jacket;Upper water jacket includes upper template and several lower templates, and several lower templates are fixedly installed in the lower end of upper template, and the gap for placing hanging joint is left between several lower templates, and the facade of lower template towards gap is provided with several side drainage holes, and the lower surface of upper template is provided with several top drainage holes;Lower water jacket includes lower die box, and the inner surface of lower die box is provided with several lower water spraying holes, and the lower part of lower die box is provided with flow groove;The overall cooling effect of casting or forge piece is uniform, and the hardness uniformity of its surface is good;Avoid because of uneven water spraying creates product cooling effect uneven, finally leads to product hardness unqualified;The device well guarantees quenching layer depth and the mechanical property of material.

A building deformation joint heat preservation and waterproof structure comprises a first building body and a second building body, a deformation joint is arranged between the first building body and the second building body, and the building deformation joint heat preservation and waterproof structure is characterized in that a corrugated steel plate is arranged in the deformation joint, one side of the corrugated steel plate is fixed to the first building body, and the other side of the corrugated steel plate is fixed to the second building body; a heat preservation core material is arranged on the outer side of the corrugated steel plate and located in the deformation joint, a steel wire mesh concrete base layer is arranged on the outer side of the heat preservation core material and located in the deformation joint, one or more waterproof layers are arranged on the outer side of the steel wire mesh concrete base layer, leveling mortar layers are arranged on the outer sides of the waterproof layers, and anti-crack mortar layers are arranged on the outer sides of the leveling mortar layers. The structure is reasonable, the corrugated steel plates capable of being folded and stretched can well adapt to stretching and retracting of the deformation joint, the hollow heat preservation core material can well adapt to compression and stretching and can preserve heat, and the steel wire mesh concrete base layer, the waterproof layer, the leveling mortar layer and the anti-crack mortar layer can beautify the appearance and can resist cracks and water.

1. The name of the design product: caterpillar type wire harness heat shrinkage equipment. 2. The use of the design product: a device for cable joint heat shrinkage. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model discloses a kind of suitable for assembled energy-saving building outer envelope unit wallboard joint heat insulation structure, belong to near zero energy consumption building field.The joint heat insulation structure is used to connect the vertical and horizontal joint of assembled unit wallboard.Each wallboard is provided with groove cavity around, and inner fixed section bar, and sealing structure is arranged in the gap between section bar and cavity.Three grooves are arranged on section bar along length direction.A glue strip is arranged in the first groove of upper and lower two section bars in horizontal joint structure, and B glue strip is arranged in the second groove;B glue strip includes B glue strip main part and extension, wherein B glue strip main part is inserted into the groove of section bar;Extension extends from B glue strip main part to the end away from B glue strip main part;A glue strip is arranged in the first groove and third groove of left and right two section bars in vertical joint structure;Two section bars are fixedly connected by convex slot and concave slot.The structure realizes the fine, stable connection of wallboard joint, improves air tightness, water tightness, and is simple to operate.

The invention discloses a method for realizing accurate control of structure evolution of high-strength steel based on controllable cooling, relates to the technical field of structure evolution regulation and phase change regulation of metal materials, and aims to solve the problems of narrow process window, easiness in cracking, non-uniform structure property and the like of a traditional quenching process of 22MnB5 steel. Continuous in-situ observation from melt solidification to phase change ending is achieved for the first time, and the regulation and control rule of the cooling rate on the structure type is defined by combining microstructure correlation analysis at different cooling rates of 1-30 DEG C / s; meanwhile, the starting and ending temperature and time of delta-gamma, gamma-alpha or martensite phase transformation are accurately determined by combining DSC thermal analysis with microscopic image contrast, and the error caused by the fact that a traditional CCT curve depends on experience derivation is overcome; according to the technology, the structure stability and performance reliability of the 22MnB5 steel are improved, and the technology can be popularized to high-strength steel systems with the liquid-solid-solid transformation characteristic such as hot forming steel and die steel.

The utility model discloses a prefabricated modular data center roof abutted seam sealing node and a data center, which belong to the technical field of prefabricated modular data centers, and comprise an abutted seam cap arranged above a roof abutted seam, and an air bag sealing main body, a sealing accessory and a limiting plate which are positioned below the abutted seam cap, the air bag sealing main body comprises an air bag shell, filling gas and an air nozzle, the air bag sealing main body is filled in a gap between roof box girders, the section of the air bag sealing main body is in a capsule shape, and the air bag sealing main body is filled with the filling gas with heat insulation performance; the air bag shell expands under the action of filled air and forms sealing with a gap formed by mutual extrusion of the side wall of the roof box beam and the limiting plate, and therefore the waterproof and heat preservation effects are achieved. The sealing accessory comprises an electromagnetic valve, a pressure sensor, a controller and a compressor. The roof splicing seam heat preservation and waterproof structure unification is achieved, splicing seams can be dynamically repaired, and the reliable and durable roof waterproof and heat preservation requirements can be met only through a roof box splicing seam sealing node.

The utility model relates to the technical field of welded joint heat treatment, in particular to a mobile steel rail double-frequency normalizing equipment control device integrating mechanic, electric, hydraulic and gas, which comprises a medium-frequency induction heating power supply, a capacitor, a transformer, a normalizing coil, a PLC (programmable logic controller) and an industrial control computer, and the medium-frequency induction heating power supply, the capacitor, the transformer and the normalizing coil are sequentially connected in series. The PLC is connected with the medium-frequency induction heating power supply, and the industrial control computer is connected with the PLC. The frequency during normalizing can be controlled only by controlling the connection mode of the capacitors and the capacitance value of the capacitors, and the control effect is better than the effect of controlling the turn ratio of the transformer.

The application discloses a kind of 340HB grade rail and 380HB grade rail flash welding joint heat treatment method, by controlling the heating temperature of mixed welding joint, air pressure and final cooling temperature, improve the hardness of 340HB grade rail and 380HB grade rail mixed welding joint, the average value of the hardness of its joint and the average value of the hardness of base material HJ / HP≥0.90;Joint soft point hardness average value and the average value of the hardness of base material HJ1 / HP≥0.80, softening area W≤20mm, meet standard requirements.The mechanical properties of the joint obtained by the application can be matched with two different steel base materials to achieve excellent, solve the mixed welding problem between different rail materials and different hardness levels, thereby effectively improving the service performance of mixed welding joint.

The utility model discloses a dam overwintering transverse joint heat preservation device belongs to hydraulic engineering technical field, including transverse joint heat preservation assembly, transverse joint heat preservation assembly includes setting transverse joint surface moisturizing layer subassembly, transverse joint surface main heat preservation layer subassembly and transverse joint surface sealing heat preservation layer subassembly in proper order on transverse joint surface after all transverse joint surface formwork is removed, the side of transverse joint surface sealing heat preservation layer subassembly is fixed with anti -drop protective cover net to the fastening assembly, the anti -drop protective cover net is wrapped fastening on transverse joint surface sealing heat preservation layer subassembly, be provided with a plurality of fastener on the fastening assembly, every fastener is in proper order and is fixed on transverse joint surface and is penetrated transverse joint surface sealing heat preservation layer subassembly, transverse joint surface main heat preservation layer subassembly and transverse joint surface moisturizing layer subassembly, the side of fastening assembly is provided with heat preservation moisturizing anti -drop transparent film to sealing heat preservation layer subassembly, the utility model discloses not only has improved integral heat preservation effect, can also effectively reduce heat loss.