262 results about "Joint surface" patented technology

The invention provides a sliding guide rail system kinetic analysis method considering abrasion and creep, and relates to the technical field of numerical control machine tool kinetic analysis. The method comprises the following steps: firstly, establishing a multi-source wear model of a joint surface of an angular contact ball bearing, a lead screw-nut pair and a sliding guide rail, and constructing a creep degradation model of a bearing end cover bolt based on a Norton creep law; then correcting the elastic restoring force of the guide rail system by combining the evolution laws of the abrasion loss and the creep, and constructing a dynamic model of the bidirectional sliding guide rail system considering the comprehensive influence of the abrasion and the creep; bidirectional influence among abrasion, creep deformation and dynamic response is achieved, and finally the dynamic evolution law of the bidirectional sliding guide rail system under the long-term service condition is obtained. The method is clear in modeling process, high in universality and high in calculation precision, the degradation process of the dynamic characteristics of the guide rail system along with the service time can be truly reflected, and an effective theoretical basis is provided for numerical control machine tool service life prediction, structure optimization and operation reliability improvement.

The utility model relates to the field of pearl wool bottom box's production, especially a kind of ironing and sticking box machine, include steering mechanism, steering mechanism include the steering device of prompting bottom support active rotation, for rotating the each orientation of bottom support side face;Pearl wool side plate material feeding mechanism, include the side plate material feeding assembly moving to bottom support side face, wherein, the material feeding plate included in side plate material feeding assembly has the joint surface providing adhesion to pearl wool side plate, and, material feeding plate is equipped with multiple groups of directional components for the position calibration of different pearl wool side plate length;Heating mechanism, include the ironing plate moving to bottom support side face;The utility model includes the steering mechanism, pearl wool side plate material feeding mechanism and heating mechanism suitable for the preparation of new pearl wool bottom box in new technology, under new technology, single side plate orderly and bottom support side face carry out hot bonding, so that the pearl wool bottom box of new structure has more excellent flatness, solve the problem of stagger in prior art.

The utility model provides a prefabricated channel relates to water conservancy engineering irrigation and drainage channel technical field. The prefabricated channel realizes the effective link of section through setting up support step and lap overstep at U type channel groove both ends, effectively avoids the dislocation of assembling lap joint and the damage of water stop, the joint of each section U type channel groove is constituted the combined type seepage prevention system by the joint surface sealing filler and the built -in water stop band, has improved the leakproofness and water stop effect of joint surface greatly, the top of channel groove adopts hidden type protection cover plate to cover, can strengthen the safety protection of irrigation and drainage channel, can slow down the silting of groove bottom obviously, is favorable to the later operation management maintenance, the wall body adopts the gradual expansion structure of overcurrent surface vertical, retaining soil surface inclination, can guarantee the overcurrent surface after the assembly of each adjacent U type channel groove is always even and straight, avoids the heterofacial convex, improves the flow state, U type channel groove adopts the whole prefabricated thin wall type structure, safe and stable, economic and practical, simple structure, can prefabricate or purchase the factory prefabricated product on the spot.

The application provides a pre-tightening force measuring device of a transmission drive shaft and a pre-tightening amount calibration method. The method is based on replacing the measuring device with the transmission drive shaft to be installed into a first housing and a second housing of the transmission, and comprises the following steps: after a first end surface of the measuring device is installed into the first housing, a first height and a second height are measured, the first height is a distance between a second end surface of the measuring device and a joint surface of the first housing, and the second height is a depth of a bearing hole of the second housing; an adjusting gasket is selected, the thickness of the adjusting gasket is obtained, the adjusting gasket is assembled between the second end surface of the measuring device and the second housing, and then the first housing and the second housing are assembled; the pre-tightening amount is calculated according to the thickness of the adjusting gasket, the first height and the second height; and the pre-tightening force detected by a sensor assembly in the measuring device is read as a pre-tightening force value corresponding to the calibrated pre-tightening amount. The pre-tightening force of the transmission drive shaft can be directly measured, and the pre-tightening amount can be calibrated with high accuracy.

The present application provides a kind of soluble branch well temporary plugging tool, including: cylindrical body, inside being equipped with end face up limit step;Temporary plug, outer wall surface is equipped with radially outward extending shear ring, the outer surface of temporary plug is formed with first joint surface;For fixing installation temporary plug's fixed sleeve, the inner wall surface of fixed sleeve is formed with second joint surface;Wherein, the outer surface of temporary plug is equipped with anticorrosion coating, and first dissolution starting area is equipped on first joint surface, in first state, fixed sleeve will shear ring press-pack on limit step, first joint surface and second joint surface are adapted, and first dissolution starting area is sealed, so as to fix temporary plug in cylindrical body, in second state, by exerting pressure to shear ring to shear shear ring to temporary plug, so that temporary plug down, so that first dissolution starting area is contacted with solution in well, so that the temporary plug is dissolved.The present application also provides a kind of branch well temporary plugging construction method.

The application discloses a house building main body wall joint width measuring device and a use method, relates to the wall joint width measuring technical field, and aims to solve the technical problem that the traditional tool can only measure the wall joint surface width, and comprises a plug-in rod, a detection mechanism and an auxiliary mechanism. The conical head of the plug-in rod can guide the device to smoothly extend into a narrow or deep wall joint, the detection rod in the detection mechanism can be expanded along the limiting rod under the drive of the auxiliary mechanism, directly contacts the inner wall of the wall joint, and not only adheres to the surface. According to the direct contact measurement of the detection rod and the inner wall, the reading system composed of the gear, the rack, the pointer and the scale is combined, the staff can directly read the real width of the inner wall, does not need to rely on the surface data inference, avoids the measurement deviation caused by the inconsistent inner and outer sizes, accurately obtains the real width data of the inner wall, provides a reliable basis for the wall joint quality judgment, and solves the problem that the traditional tool can only measure the wall joint surface width.

This invention relates to the field of robot joint surface engineering technology, specifically to a nanopowder strengthening process for aluminum-based robot joint surfaces, comprising: Step S1, pretreatment: cleaning and roughness adjustment of the aluminum alloy joint surface; Step S2, ultra-hard nanopowder dispersion: hydrogen-terminated modification of the ultra-hard nanopowder to prepare a highly dispersed suspension; Step S3, joint surface embedding: uniformly embedding the ultra-hard nanopowder into the joint surface; Step S4, preparation of a three-layer composite coating: forming an interface by treating the joint surface using a nickel-diamond-nickel three-layer composite deposition process; Step S5, surface morphology control; and Step S6, post-treatment strengthening: low-temperature curing and stress release treatment. This invention provides a nanopowder strengthening process for aluminum-based robot joint surfaces, improving the hardness and wear resistance of the aluminum-based robot joint surfaces.

The invention discloses an integral binding construction method for columnar structural steel bars. The integral binding construction method comprises the following steps that a complete columnar steel bar framework is divided into two prefabricated parts which are symmetrical in shape and structure along the central longitudinal section of the columnar steel bar framework; binding of the main reinforcements and the closed stirrups of each prefabricated part is completed in a factory, and two symmetrical half-body frameworks are formed; the two half frameworks are transported to a construction site and sequentially hoisted to a target installation position; at the target mounting position, measuring and adjusting the spatial attitude of the two half-body frameworks which are in place in sequence, so that the two half-body frameworks are symmetrically aligned according to the designed position; and the two half frameworks are connected into a complete and closed columnar steel reinforcement framework whole body through a connecting section at the involution surface between the two half frameworks of which the positions are adjusted. The problems that in traditional construction, efficiency is low, precision is poor, and potential safety hazards are large are solved.

The application relates to the technical field of non-ideal surface generation of machined parts, and particularly discloses a construction method of an assembly joint surface considering wavelet and fractals, which comprises the following steps: S1, according to an ideal numerical model of the assembly joint surface; S2, comparing calculation methods of different fractal parameters; S3, aiming at the assembly joint surface of parts under different machining modes; S4, regarding the assembly joint surface as a structure formed by superposition of different scale contours; S5, introducing a power spectrum analysis method to analyze the surface contour curve characteristics of the assembly joint surface; S6, according to the isotropic or anisotropic properties of the assembly joint surface under different machining modes, introducing the statistical distribution characteristic parameters determined in step S3 into the representation of the assembly joint surface; and S7, associating the contour curve characteristic parameters extracted in step S4 with the fractal parameters determined in step S2. Through multi-scale decomposition of the assembly joint surface by wavelet transform, the specific information of the roughness contour, the waviness contour and the shape error contour can be effectively extracted.

This invention relates to a nested rubber waterstop, a joint-face waterstop structure, and its construction method. It is applicable to the field of water conservancy and hydropower engineering. The technical solution adopted in this invention is: a nested rubber waterstop, characterized in that it has a fixed wing and a movable wing. The fixed wing has a cavity inside that can accommodate the movable wing. One side of the fixed wing in the width direction has an opening for the movable wing to extend from the cavity. The other side of the fixed wing in the width direction is connected to a grouting pipe communicating with the internal cavity of the fixed wing. A limiting structure I is provided on the side of the movable wing near the grouting pipe. The opening of the fixed wing has a limiting structure II that cooperates with the limiting structure I on the movable wing to prevent the movable wing from completely detaching from the fixed wing.

The utility model relates to the technical field of die-casting dies, in particular to a back pressure sliding block structure of a movable die of a high-pressure casting die, which comprises a movable die sleeve plate, a movable die core positioned in the center of the movable die sleeve plate, a plurality of groups of core pullers fixed in the circumferential direction of the movable die sleeve plate, and a plurality of back pressure sliding blocks positioned between the core pullers and the movable die core, the back pressure sliding block is connected to the movable mold sleeve plate in a sliding manner; the core puller is used for driving the back pressure slide block to slide horizontally; the end, close to the movable mold core, of the back-pressure sliding block is provided with an extending face, a back-pressure pressing face and a profiling face, the back-pressure pressing face is horizontally arranged, the extending face protrudes towards the movable mold core, and the back-pressure pressing face is connected between the profiling face and the extending face. According to the scheme, demolding can be smoother, strain is reduced, and the product quality is improved; meanwhile, a reverse thrust mechanism of the fixed mold is omitted, the mold structure is simplified, the cost is reduced, and the production efficiency is improved.

The present invention provides a method for repairing structural members that can suppress carbonization of the central portion of structural members in the event of a fire, when gaps occur between the joint surfaces of wooden materials. [Solution] In a method for repairing a structural member 1 in which a gap G occurs at the joint surface F between the wooden members 2, the method includes a step of filling the gap G at the joint surface F between the wooden members 2 with a heat intrusion suppressing material 11 that suppresses the intrusion of heat.

The utility model provides a subway track base construction device which comprises a base plate body, a pre-stressed anchor bolt set, an elastic cushion, a curvature adjusting mechanism and at least two connecting base plates, dovetail grooves are formed in the two sides of the base plate body, tenons matched with the dovetail grooves are arranged at the ends of the connecting base plates, and the connecting base plates are connected with the pre-stressed anchor bolt set. The pre-stressed anchor bolt set penetrates through the joint face of the base plate body and the connecting base plate, and the elastic cushion layer is bonded to the bottom of the base plate body. The curvature adjusting mechanism comprises an arc-shaped guide rail and a sliding block matched with the arc-shaped guide rail, the arc-shaped guide rail is connected to the top face and / or the bottom face of the base plate body, and the sliding block is connected with the connecting base plate. According to the utility model, through the modularized matching of the dovetail grooves and the tenons and the rigid connection of the pre-stressed anchor bolt groups, the rapid assembly and stable butt joint of the substrate body and the connecting substrate are realized, the elastic cushion layer reduces the vibration transmission of the track, and the curvature adjusting mechanism enables the substrate structure to flexibly adapt to the construction requirements of different linear tracks; and the construction efficiency and the track smoothness are improved.

The application is suitable for the technical field of machine tool combination assembly, and provides a micro contact joint surface static friction coefficient calculation method, which comprises the following steps: obtaining joint surface characteristic parameters; based on fractal theory and elastic theory, constructing base additional deformation and micro convex body normal deformation equation, through micro stress analysis, establishing single micro convex body deformation geometric parameters; considering three deformation stages of micro convex body, obtaining joint surface contact area and contact load; using modified island distribution function to integrate joint surface real contact area and contact load in different deformation stages, obtaining joint surface real contact area and contact load; considering the influence of static friction coefficient on contact surface characteristics, establishing joint surface static friction coefficient model. The application establishes surface static friction coefficient model from the micro contact angle, and simultaneously considers the interaction of micro convex body and base and three stages of material elastic, elastic-plastic and complete plastic deformation.

The present invention provides a method for manufacturing a jointed body of solid metals and a composite member that can increase the bonding strength at the joint surface. [Solution] A solid metal body containing a first component is brought into contact with a solid metal material consisting of a compound, alloy, or non-equilibrium alloy that simultaneously contains a second component and a third component, each having positive and negative mixing heats relative to the first component, respectively. A predetermined pressure is applied between the metal body and the metal material while performing heat treatment at a predetermined temperature for a predetermined time. This causes the first component and the third component to mutually diffuse, and the alloy liquid containing the first component and the third component, which is generated in the region where the first component and the third component have mutually diffused, is discharged.

The application provides a method and device for predicting normal displacement of soft rock joint surface, electronic equipment and medium. The method comprises the following steps: firstly, determining residual shear dilation angle of the joint surface and displacement maximum value of the soft rock in the elastic stage; if the shear displacement is less than or equal to the displacement maximum value of the soft rock in the elastic stage, determining the first joint surface closure displacement according to the shear displacement and the shear closure coefficient, and obtaining the predicted joint surface normal displacement; if the shear displacement is greater than the displacement maximum value of the soft rock in the elastic stage, determining the opening displacement caused by the joint surface climbing effect according to the shear displacement, the normal stress, the residual shear dilation angle and the displacement maximum value of the soft rock in the elastic stage; determining the second joint surface closure displacement according to the opening displacement and the shear closure coefficient; and taking the sum of the opening displacement caused by the joint surface climbing effect and the second joint surface closure displacement as the predicted joint surface normal displacement. The application can predict the joint surface normal displacement according to the size of the shear displacement.

The invention discloses a method for predicting machine tool guide rail straightness degradation induced by assembly pretightening force relaxation. The method comprises the following steps that 1, a machine tool guide rail system refined finite element model considering thread contact nonlinearity is established; and 2, constructing a pretightening force relaxation dynamic simulation model under the transverse vibration load. And 3, calculating the deformation distribution of the machine tool guide rail joint surface along the length direction at the corresponding moment. And 4, processing the deformation distribution curve of the guide rail at each moment by adopting an envelope method, calculating the straightness of the guide rail, and analyzing the evolution law of the straightness at m moments. And step 5, establishing a nonlinear mapping model of the straightness and the time based on the data that the straightness changes along with the time, and verifying a prediction result through a test. The method can effectively predict and improve the precision retentivity of the combined surface of the key parts of the machine tool.

This utility model discloses a leak-proof gas engine valve chamber cover, including a cover plate disposed above the gas chamber. One-way valves are evenly distributed on the top of the cover plate. A connecting plate is provided between the cover plate and the gas chamber. A sealing element is provided between the cover plate and the connecting plate. The sealing element includes a metal ring, with a rubber sleeve covering the metal ring. A pre-tightening mechanism is provided above the sealing element, comprising a bolt and a disc spring. In this utility model, by setting up a connecting plate, a liner plate, a cover plate, a sealing element, and a pre-tightening mechanism, and utilizing a disc spring, the vibration of the sealing element is reduced, improving its stability. By setting a one-way valve on the cover plate, a pressure balance channel is formed between the inner and outer sides of the cover plate, thereby achieving dynamic pressure compensation. This avoids uneven pressure at the joint surface between the cover plate and the connecting plate, prevents cover plate deformation, and thus prevents the sealing element from loosening and detaching from the mounting groove, improving the working stability of the sealing element.

This invention discloses a multifunctional energy-saving block forming device and method, relating to the field of block forming technology. The invention includes a conveyor line with a base plate at its top and a frame mounted above it. Inside the frame is a lifting and lowering pressing head, with several inner pressing blocks fixedly installed at its bottom. Lifting and lowering outer pressing blocks are located on both sides of each inner pressing block. This invention, through the novel design of inner and outer pressing blocks, creates a trapezoidal sawtooth pattern on the joint surface of the composite brick. Compared to a flat interface that relies entirely on chemical bonding, the trapezoidal sawtooth structure forms a regular tenon-and-mortise interlocking mechanism at the interface, resulting in clear boundaries, reduced separation, and high composite pressing strength. The alternating lifting and lowering design of the inner and outer pressing blocks, combined with the longitudinal conveying and transverse spreading of the material frame, ensures five-sided isolation after the outer layer is pressed, minimizing interlayer mixing and maintaining clear boundaries.

The invention discloses an integrated forming process for a water cup mouth cover. The integrated forming process comprises the following steps that firstly, a plastic base material is formed; 2, inspecting the plastic base material; step 3, brushing a special primer on the joint surface; 4, baking and curing the primer; step 5, injecting silica gel for integral molding; step 6, carrying out edge removal treatment on the crude product; 7, water boiling purification treatment; 8, removing the supporting column and finishing the surface; step 9, comprehensive inspection of a finished product; and step 10, packaging and delivering finished products. According to the invention, through plasma activation treatment of the plastic base material bonding surface, micro-texture design of a mold cavity, use of a food-grade special primer and gradient baking curing, dual combination of physical occlusion and chemical bonding is constructed, the bonding strength of plastic and silica gel is greatly improved, stripping test verifies that the bonding surface is free of stripping and falling phenomena, and the bonding strength of the plastic and the silica gel is greatly improved. Even in long-term use, repeated opening and closing or high-temperature and low-temperature environments, the stable combination effect can still be kept.

The application discloses a six-axis five-linkage gantry machining center precision stiffness forward design method and belongs to the technical field of machine tool equipment design and manufacturing. The method aims at the problems of large multi-process clamping error, high stiffness and precision prediction deviation of heavy-load machining centers, and unbalanced cost of tolerance distribution for large-size components such as liquid rocket composite cabin sections. First, the overall structure is completed based on the machining requirements of the composite thin-walled cabin section, the inner support cabin section and the fairing rear cone section. Then, the feature static stiffness modeling, the joint surface fractal dynamic stiffness matching and the tolerance-cost multi-objective precision distribution design are carried out in parallel. Finally, the overall scheme is output. The overall stiffness and precision prediction error is controlled within 8% by the method, the composite component IT9-level machining requirements are met, and the research and development cycle is effectively shortened and the production cost is reduced.

This invention relates to a titanium alloy artificial joint with a high-toughness, ultra-wear-resistant ceramic coating and its preparation method. The titanium alloy artificial joint includes a titanium alloy artificial joint substrate fabricated by 3D printing. The joint surface of the titanium alloy artificial joint substrate is coated with an alumina-based ceramic coating. The alumina-based ceramic coating is obtained by plasma spraying of a mixed powder of alumina, zirconium oxide, and rare earth oxides, and then polished to a surface roughness Ra of no more than 0.05 μm. The bone-bonding surface of the titanium alloy artificial joint is formed into a porous structure layer by 3D printing. Compared with the prior art, the titanium alloy artificial joint of this invention has excellent wear resistance and toughness, and can be personalized based on precise imaging data of the patient's bones.

The present application relates to a kind of part assembly tolerance sensitivity identification method and system, obtain assembly dimension chain and assembly sequence according to the three-dimensional process design model of assembly, obtain the assembly process model corresponding to each process in assembly sequence;For each assembly process model, obtain the position coordinates of the newly assembled plate parts under the process relative to the assembly reference, the distance size of plate parts along the direction of assembly dimension chain, the quantity of embedded parts of the process, the quantity of assembly joint surface and the dimensional tolerance of plate parts, with the position coordinates, distance size, embedded part quantity and plate parts constitute the unit sample of the process;Unit sample of all processes is sequentially constituted into sample set matrix and standardized;Design the assembly tolerance sensitivity evaluation function based on TOPSIS algorithm, evaluate the matrix after standardization, obtain the sensitivity score of each plate part, so that the influence degree of each plate part assembly tolerance on overall assembly accuracy is quickly and accurately obtained.

The application relates to the technical field of concrete construction, and discloses a concrete joint surface chiseling device, which comprises a shell, a handle, a control module, a machine shell and non-woven fabric. The handle is arranged on one side of the surface of the shell, the control module is arranged on the surface of the handle, the machine shell is fixed on the surface of the shell, and the non-woven fabric is fixed in a groove on the surface of the shell. When the device is used, a staff member can use a pneumatic mechanism and, under the action of a connecting mechanism, make a chiseling block act on the surface of concrete, and under the action of a shaking mechanism, make the chiseling block move horizontally in cooperation with lifting, thereby improving the working area of chiseling. In addition, under the action of a transmission mechanism, a rotating mechanism and a cleaning mechanism, waste residues are cleaned, the waste residues are pushed to facilitate the collection of the waste residues by the staff member, and under the action of a dust suction mechanism, dust can be sucked under the driving of the shaking mechanism, thereby improving the comfort of the working environment.

The present invention provides a metal composite sintered body that can ensure sufficient bonding strength and can be manufactured in complex shapes, including hollow shapes and shapes with extremely small gaps. [Solution] A metal composite sintered body is formed by injection molding a mixture of metal powder and a binder, and then joining a first member and a second member, each made of a sintered body formed by injection molding, wherein the tensile strength of the joint surface between the first member and the second member is 80% or more of the tensile strength of the first member or the second member.

This application discloses an acceleration structure, welding process, and cooling system for a particle linear accelerator, relating to the field of particle acceleration equipment technology. The acceleration structure includes a left-shaped component and a right-shaped component, whose joint surfaces are welded together using alloy gaskets. The corresponding first and second acceleration half-cavities inside are assembled to form a complete disk-loaded acceleration cavity. A buffer gap is reserved between the mating edges of the two half-cavities. A vacuum maintenance component is provided above to extract the internal vacuum, and an radio frequency energy feeding component is provided on the outside to feed in external microwave energy. The supporting welding process employs local deposition of a metal barrier layer and a wetting layer, combined with alloy gaskets for temperature-controlled brazing, avoiding softening of the oxygen-free copper substrate during annealing. Furthermore, a semiconductor-based cooling system is provided around the acceleration structure to control heat deformation. This invention effectively avoids extrusion deformation of critical internal structures after welding, reduces the risk of high-frequency arcing, and significantly improves the integration and structural stability of the entire device.

The utility model discloses a miniature orthopedic external fixation support, which belongs to the field of medical instruments and is provided with a universal joint, a connecting rod and needle rod clamps, one end of the connecting rod is provided with a ball head, the other end of the connecting rod is provided with a rod, a plurality of needle rod clamps are arranged on the rod, and the universal joint is provided with a clamping block A, a clamping block B and a fastening bolt. The ball heads of the two connecting rods are arranged between the combination faces of the clamping block A and the clamping block B respectively, the rods of the two connecting rods extend outwards respectively and swing by a certain angle relative to the universal joint respectively, the fastening bolt penetrates through the clamping block B and is screwed on the clamping block A, and the two connecting rods are connected and fixed. The clamping block A and the clamping block B are respectively provided with a pair of ball sockets for placing two connecting rod ball heads on the joint surfaces, the two fastening bolts are respectively arranged on two sides of a connecting line of two ball centers, and a vertical bisector of the connecting line of the two ball centers and a connecting line of axes of the two fastening bolts are arranged in a non-vertical crossing manner.

The invention provides a sensor device, a torque sensor device, and a magnetic sensor module. The sensor device is provided with sensor bodies (13-16, 21, 22), a sensor housing (30), a connector housing (50), and a flange (51). Sensor bodies (13-16, 21, 22) capture changes in physical quantities, and a sensor housing (30) houses at least a portion of the sensor bodies. The connector housing (50) is provided with a detection element (40) that outputs a signal corresponding to a change in physical quantity, and the portion where the detection element (40) is provided is inserted into the inside of the sensor housing (30). The flange (51) extends outward from the connector housing (50) and is joined to the sensor housing (30) toward a joining surface (53) on the sensor housing (30) side. The joint surface (53) of the flange (51) is inclined with respect to an imaginary plane (VS) perpendicular to the direction (ID) in which the portion of the connector housing (50) where the detection element (40) is provided is inserted into the sensor housing (30).

This invention provides a method for manufacturing a ceramic susceptor that prevents leakage due to poor bonding of the base body made of MMC material. [Solution] The base body includes a lower plate 210 and an upper plate 220 made of MMC (Metal Matric Composite) material, and a joint between them. The process includes the steps of sequentially laminating a first activated metal layer 321 and a first aluminum layer onto the joint surface of the upper plate, sequentially laminating a second activated metal layer 311 and a second aluminum layer onto the joint surface of the lower plate, and interposing a brazing filler layer between the first aluminum layer of the upper plate and the second aluminum layer of the lower plate, and converting the brazing filler layer, the first aluminum layer and the second aluminum layer into a brazing joint layer 325 by heat treatment, thereby brazing the lower plate and the upper plate. The base body includes a cooling channel 215 formed in the groove by the brazing joint.

This application provides a T-BOX housing and a vehicle-mounted T-BOX. The T-BOX housing includes a mounting shell and a heat sink. An extension portion extends inward from the inner sidewall of the mounting shell at a predetermined position, and a mounting portion is formed between the extension portion and the sidewall of the mounting shell protruding from the extension portion. The heat sink is mounted on the mounting portion. On the extension portion, a limiting portion with a gradually expanding structure extends inward from the sidewall of the mounting shell towards the interior of the mounting shell. A limiting groove adapted to the limiting portion is formed on the heat sink at a position corresponding to the limiting portion. When the heat sink is installed on the mounting shell, the limiting hook is engaged with the limiting groove. Therefore, if the circumferential limiting portion of the mounting shell experiences outward thermal expansion, it will be engaged by the limiting hook formed by the limiting groove, preventing cracks from forming at the joint surface of the heat sink with the mounting shell.