14 results about "Joint heat" patented technology

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 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 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.

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.

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 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.