1121 results about "Contact plane" patented technology

The invention relates to the technical field of construction and the technical field of software, and discloses a fabricated structure evaluation method and device based on a toughness value and carbon emission, and the method comprises the steps: adding the damage volumes of all interfaces, and obtaining the damage amount of a fabricated structure; when the damage amount of the fabricated structure is within the damage range, a repair scheme of the fabricated structure is obtained, and the carbon emission amount of the repair scheme is generated; according to the length of each interface, the inertia moment of the complete part of each interface, the moving distance of the neutral axis of each interface and the contact surface rigidity model, the contact surface rigidity of the fabricated structure is generated, and according to the contact surface rigidity of the fabricated structure, the material elasticity modulus of the fabricated structure and the toughness model, the toughness value of the fabricated structure is generated. And performing specific value calculation on the carbon emission of the repair scheme and the toughness value of the fabricated structure to generate an evaluation value of the repair scheme. According to the invention, the evaluation efficiency of the repair scheme of the fabricated structure can be improved.

The invention relates to the field of dies, in particular to a front oxygen sensor support stamping die structure which comprises a fixed die and a movable die, and a punching mechanism, a bending mechanism, a rim charge cutting mechanism and a discharging mechanism are sequentially arranged between the fixed die and the movable die in the conveying direction of a material belt. The punching mechanism is used for punching various holes in different shapes and positions in a material belt, the rim charge cutting mechanism is used for accurately cutting off rim charges, the bending mechanism is used for gradually bending the material belt of a plane structure into the shape of a product, and the discharging mechanism is used for conveying the machined product out of a die. The wear rate of the contact surface of the mold is reduced.

Stop device (1) for a conveyor system (40) where objects (43) are conveyed on a conveyor (41), where the stop device (1) comprises a housing (2), an actuator element (3) having a stop surface (12), and an electric motor (4) operably connected to the actuator element (3) such that the electric motor (4) can control the position of the actuator element (3), where the stop device comprises a stop position (20) in which the stop device (1) will hold an object (43) in a fixed position by the stop surface (12), and a bypass position (22) in which the stop surface (12) is positioned outside of a contact plane (42; 96) of the object (43) such that the object (43) can pass the stop device (1), where the actuator element (3) is provided with a braking surface (13), where the stop device (1) comprises a braking position (21) in which the braking surface (13) is positioned in the contact plane (42; 96) such that the object (43) will bear against the braking surface (13) and such that the speed of an object (43) will slow down from a first speed to a standstill, and where the electric motor (4) can move the actuator element (3) between the stop position (20), the braking position (21) and the bypass position (22). The advantage of the invention is that a reliable and cost-effective stop device comprising a brake function for an object such as a product or a pallet conveyed in a conveyor system is provided. The application also includes a conveyor system comprising a stop device.

An electrostatic chuck (ESC) pedestal heater that includes a pedestal body and a surface on the pedestal body for receiving a substrate such as a high bow wafer. An electrode is embedded in the pedestal body to selectively generate an electrostatic force. The ESC pedestal heater includes a substrate contact surface that is raised to a height above the surface on the pedestal body and includes an inner seal band, an intermediate seal band, and an outer seal band extending. In the substrate contact surface, main spokes are provided that extend outward from the inner seal band to the outer seal band, and ancillary spokes may be provided between the main spokes in the region between the intermediate and outer seal bands. Additionally, contact areas or dots are provided in the substrate contact surface in the spaces between the bands and spokes.

The utility model relates to the technical field of floor production, in particular to a calender. The calender comprises a conveying mechanism and multiple sets of thickness determining mechanisms, the multiple sets of thickness determining mechanisms are arranged side by side at intervals, and the conveying mechanism is arranged between every two adjacent sets of thickness determining mechanisms. Due to the fact that the thickness setting distances in the multiple sets of thickness setting mechanisms arranged from the near end to the far end of the extruder are gradually reduced, stress deformation of a base material is reduced through multi-section calendering setting of the multiple sets of thickness setting mechanisms, and product forming stability is improved. The contact surfaces of the lower rollers in the plurality of groups of thickness determining mechanisms and the base material and the conveying surface of the conveying mechanism are on the same plane, so that the PET / PETG base material is not subjected to bending stress and can be stably calendered and molded, the requirement of high straightness required by production of the base material such as the PET / PETG can be met, the production qualification rate of the base material such as the PET / PETG is further improved, and the production cost of the base material such as the PET / PETG is reduced. The production efficiency of PET / PETG (polyethylene terephthalate / polyethylene terephthalate glycol) base materials is further improved through the calender suitable for the PET / PETG calender.

The utility model discloses a connecting assembly for a composite floor and the composite floor, and belongs to the technical field of floors. The connecting assembly comprises a foaming base plate, the density of the foaming base plate is 0.65-1.4 g / cm < 3 >, the foaming base plate is provided with two opposite target faces and side faces formed around the target faces, and a connecting part interlocked with the adjacent base plate is formed on at least one side face; a surface texture is formed on at least one target surface, the surface texture comprises a plurality of micro geometrical shapes formed by small spacing and peak valleys, and the micro geometrical shapes can provide a bonding surface for a bonding agent for bonding the covering part. According to the surface texture, the roughness of the target surface is effectively improved, the contact area between the binding agent and the binding surface can be increased, and the binding agent can bind the covering part and the foaming base plate with high strength and is not prone to falling off.

The invention discloses a method for judging whether seepage phase change and leakage occur in multi-scale static seal, which comprises the following steps of: 1, acquiring positive pressure sigma under the working condition of a static seal product by utilizing a force sensor or a finite element simulation method; step 2, obtaining height distribution of the contact surface of the static sealing product by using a high-precision microscope, and obtaining characteristic parameters; 3, according to the contact basic equation, solving the relation between the contact area and the positive pressure and the generalized diffusion variance; 4, for a certain specific analysis scale, giving a leakage critical characteristic line L of a corresponding critical contact area ratio; 5, in a characteristic state plane, namely a roughness hRMS-fractal index H plane, according to the relative position of the characteristic parameters and the leakage critical characteristic line L, whether leakage occurs or not is judged; the problem that a traditional sealing performance evaluation method depends on an empirical threshold and cannot quantitatively represent multi-scale contact characteristics and seepage phase change critical conditions is solved.

The invention discloses a contact resistance-based method for synchronously measuring normal force and shear force of an interface, which comprises the following steps of: inspired by a yield criterion of material damage, establishing a relationship between normal stress and shear stress of the contact interface, thereby obtaining a relationship between a real contact area of the contact interface and the normal force and the shear force; obtaining the relationship between the contact resistance of the contact interface and the real contact area, and establishing the relationship between the contact resistance of the interface and the normal force and the shear force; according to the geometric deformation relation of the micro-convex bodies on the contact interface before and after the shearing force acts, the relation between the real contact area of the contact interface and the geometric deformation parameters of the micro-convex bodies is obtained, and the relation among the normal force of the contact interface, the shearing force and the geometric deformation parameters of the micro-convex bodies is obtained; and establishing a simultaneous equation set, measuring the contact resistance, and substituting the contact resistance into the equation set to calculate the normal force and the shear force. According to the invention, the normal force and shear force of the interface can be indirectly measured by measuring the contact resistance of the contact interface.

The application provides a self-adaptive eccentricity compensation and sensitivity enhancement type pressure ring sensor and a loading and unloading measurement model construction method thereof.The sensor comprises an upper force transmission unit, a lower force transmission unit and a measurement elastic body unit.The sensor adopts a spherical surface contact structure design, can automatically adjust and compensate the load eccentricity caused by the uneven contact between the contact planes, and reduces the influence of the eccentricity on the measurement results.The established sensor loading and unloading measurement model can accurately monitor the bolt fastening force in real time.The deformation of the measurement elastic body unit of the sensor is measured by using a fiber grating, and the sensor has the advantages of high precision and good reliability.In addition, the pressure measurement result of the sensor is irrelevant to the friction coefficient of the contact surface between the sensor and the nut and the structure, and the measurement precision of the sensor in actual application is further improved.The self-adaptive eccentricity compensation and sensitivity enhancement type pressure ring sensor has the advantages of small size, large range, high precision, automatic correction, good reliability and the like.

The invention relates to the technical field of desiccant packaging equipment, and discloses a desiccant packaging supply film forming device which comprises a packaging forming device and a regulation and control conveying mechanism installed on the packaging forming device. Comprising a first rotating shaft fixedly connected with the packaging forming device and a first friction roller fixed to the first rotating shaft. Each of the two second friction assemblies comprises a second friction roller mounted on the first rotating shaft; the moving assembly is used for controlling the two second friction rollers to move; the heat dissipation assembly works in cooperation with the moving assembly and is used for enabling two second friction rollers to move in opposite directions through the moving assembly according to the friction coefficient needed by the packaging film and the material of the packaging film, and the contact area between the two second friction rollers and the packaging film is changed; for a smooth PE film, the contact area is reduced, and the friction force is reduced; for rough composite aluminum films, the contact area is increased, the friction force is improved, film material slipping or tensile deformation is avoided, and the film supply stability is ensured.

The present disclosure relates to the field of photographic equipment technology, particularly to a horizontal-vertical switching structure, connecting mechanism, and shooting device that enable convenient angle adjustments for shooting. One embodiment of the horizontal-vertical switching structure comprises a supporting component, a connecting component, and a locking component. The supporting component is equipped with an installation position for mounting the shooting device on one end and an inclined first surface on the other end. The connecting component complements the first surface with a second inclined surface. The locking component includes a first rotating part connected to the first inclined surface and a second rotating part connected to the second inclined surface. The relative rotation of the first and second rotating parts allows for rotation or locking of the supporting component and the connecting component. In practical use, the shooting device can be switched between horizontal and vertical shooting angles by mounting it on the installation position and rotating the supporting component and the connecting component along the contact surfaces of the first and second inclined surfaces. This eliminates the need for disassembly and reinstallation, providing convenient angle adjustments.

The invention relates to the field of machine learning, and discloses a composite pipe interface layering strain prediction method and related equipment, and the method comprises the steps: obtaining geometric parameters, material parameters and contact surface parameters of a base layer and a covering layer in a composite pipe; and inputting the geometric parameters, the material parameters and the contact surface parameters into a pre-trained prediction model to obtain layered strain of the base layer and the covering layer. Therefore, based on the geometrical parameters, material parameters and contact surface parameters of the base layer and the coating layer, the conditions of the base layer and the coating layer in the composite pipe can be comprehensively reflected, and accurate data support is provided for the prediction method. Based on the pre-trained prediction model, the layered strain of the composite pipe interface is accurately predicted, and reference is provided for composite pipe selection under different engineering conditions.

An example system includes a peripheral device including a first contact surface, and an electronic device including a housing, a second contact surface aligned with a surface of the housing, and a hinge coupled to the second contact surface. The second contact surface is to pivot into the housing about the hinge in response to an engagement with the first contact surface of the peripheral device.

A power storage device includes power storage cells, a case, and heat conductive materials. The case includes a contact surface. The contact surface includes contact portions and a thermal resistance portion. The thermal resistance portion includes intermediate portions passing between a pair of contact portions adjacent to each other among the contact surfaces and extending in a second direction that intersects the first direction in the contact surface, a first connecting portion that connects an intermediate portion disposed odd-numbered from one side toward another side in the first direction and an intermediate portion disposed next to the intermediate portion disposed odd-numbered, and a second connecting portion that connects the intermediate portion disposed odd-numbered from one side toward the other side in the first direction and an intermediate portion disposed in front of the intermediate portion disposed odd-numbered.

In a tape drive comprising a tape head module, a tape contacts the tape head module during operation. The tape head module comprises a substrate, a plurality of data heads disposed adjacent to the substrate at a media facing surface (MFS), and a closure disposed adjacent to the plurality of data heads. The closure comprises a first side portion disposed at a leading edge, a second side portion disposed at the leading edge, the first and second side portions being recessed from the MFS, and a central portion disposed between the first and second side portions at the leading edge. In some embodiments, the central portion is recessed from the MFS. The central portion may comprise a notch, a taper, or one or more steps. The first and second side portions may be tapered, rounded, or comprise one or more steps to reduce contact of a tape during operation.

The invention relates to the technical field of unmanned operation, and discloses an active deformation multi-aircraft integrated operation platform, which comprises a first aircraft, a second aircraft and a controller, one ends of the two fixed connecting rods are connected with the first aircraft, and steering engines are fixed to the other ends of the two fixed connecting rods; one ends of the two swing connecting rods are fixedly connected with the driving ends of the two steering engines respectively, a second aircraft and a third aircraft are connected to the two swing connecting rods respectively, the first aircraft, the second aircraft and the third aircraft are arranged in a triangular shape, and then a triangular collaborative architecture operation platform is formed; a first arc-shaped contact plate and a second arc-shaped contact plate are detachably arranged at the other ends of the two swing connecting rods respectively, a first clamping jaw is detachably arranged at one end of the first arc-shaped contact plate, and a second clamping jaw is detachably arranged at one end of the second arc-shaped contact plate. The platform can adapt to stable contact of diversified contact surfaces (flat / non-flat / corrugated wall surfaces, stand columns and the like), and the scene adaptation cost is reduced.

The invention discloses a battery pack sealing performance verification method and device and a battery pack. The method comprises the steps that a battery pack model is built and comprises an upper cover and a box body, the upper cover is provided with a first edge, the box body is provided with a second edge attached to the first edge, the first edge and the second edge are connected through bolts, and a sealing gasket is clamped between the first edge and the second edge; a pre-tightening force load is applied to the bolt and points to the contact plane where the first edge and the second edge make contact with the sealing gasket so that the thickness of the sealing gasket can be compressed, and compression deformation can be generated; a pressure load from the inside of the box body to the outside of the box body is applied in the box body to resist a pre-tightening force load and compression deformation; the deformation quantity of compression deformation of the sealing gasket is recognized, and the area with the deformation quantity larger than or equal to a deformation quantity threshold value is determined as a compression area; and when a continuous pressing area is formed on the contact plane, determining that the sealing performance of the target battery pack is qualified under the pre-tightening force load and the pressure load. Therefore, according to the method, the sealing performance of the battery pack can be verified in a simulation mode.

An electronic device and a support assembly are provided. The support assembly includes a bracket and a frame. The bracket includes a bracket main body, a movable member, a first sliding member, and a second sliding member. The bracket main body has a receiving portion. The movable member is connected to the bracket main body and is in contact with the first sliding member. The first sliding member is movable relative to the bracket main body, and includes a contacting surface. The second sliding member is movable relative to the bracket main body, and has a force-receiving portion. Each contacting surface is in contact with each force-receiving portion. The frame includes a frame main body and an extension portion connected to the frame main body that is detachably located in the receiving portion. The movable member moves to enable each second sliding member to contact each of two extension portions.

The utility model belongs to the technical field of wheel manufacturing, and particularly relates to an aluminum alloy wheel mold frame guide structure which comprises a base and an upper mold plate, guide assemblies are arranged at the four corners of the base respectively, the base and the upper mold plate are in vertical sliding fit through the four guide assemblies, and each guide assembly comprises a guide disc assembly and a guide pin. The guide pin is installed on the base, the guide disc assembly is installed on the upper die plate, and the guide disc assembly and the guide pin are correspondingly arranged. The guide disc assembly is provided with runway type guide grooves, the guide pin is provided with a runway type pin body, and the left side wall and the right side wall of the runway type pin body make contact with the inner walls of the corresponding runway type guide grooves respectively. Expansion gaps are formed between the front end and the rear end of the runway type pin body and the inner walls of the corresponding runway type guide grooves. According to the device, the runway type pin body and the runway type guide groove are in surface contact, so that the contact area is larger, and the problem that the guide precision is reduced due to abrasion can be effectively avoided.

The invention belongs to the technical field of sealing parts, and particularly discloses a polyurethane sealing part and a production process thereof.The polyurethane sealing part comprises a first connecting pipe and a second connecting pipe, and the end, close to the first connecting pipe, of the second connecting pipe is fixedly connected with an inserting ring. The problems that a traditional sealing piece is small in contact area and poor in coating performance are solved, a first connecting pipe and a second connecting pipe are positioned through an inserting ring to form mechanical embedding, a protruding ring of a sealing connecting ring is matched with an annular groove of an elastic ring and an expansion rubber ring to construct a physical sealing barrier, the contact area is increased, and when an extrusion assembly applies pressure, an external supply set injects viscoelastic fluid of an outer bag body into an inner cavity of the elastic ring; the driving elastic ring and the expansion rubber ring are internally expanded and externally hooped to doubly wrap and fill the interface gap, so that the plane-to-three-dimensional contact upgrade is realized, the stress is uniformly dispersed, and the expansion rubber ring can compensate the gap through elastic deformation to improve the sealing performance even if the pipeline is rusted and displaced.

The invention relates to a runner plate assembly and a heat exchanger, and belongs to the technical field of sewage treatment.The runner plate assembly comprises heat transfer plates, a plurality of runners are separated between the two heat transfer plates through a plurality of partition plates, at least one heat transfer plate is provided with a plurality of discontinuous through grooves, and discontinuous protrusions are arranged on the contact faces of the partition plates and the heat transfer plates; the intermittent protrusions are arranged in the intermittent through grooves. By arranging a matching structure of the intermittent through grooves and the intermittent protrusions, the connecting strength and the sealing performance between the partition plate and the heat transfer plate are effectively enhanced, meanwhile, stress concentration is reduced, and the pressure resistance and the temperature resistance of the heat exchanger are improved; the intermittent design facilitates machining and assembling, welding deformation is reduced, and production efficiency is improved.

This application relates to a polycrystalline diamond composite substrate, belonging to the technical field of superhard material composites. It includes a cylinder with one end serving as a bonding surface; a frustum located at one end of the bonding surface, comprising a truncated cone coaxially transitioning onto the cylinder and a frustum coaxially connected to the truncated cone; and a raised structure disposed on the frustum, comprising multiple sets of coaxially arranged raised units, each set of raised units being evenly distributed in a ring around the center of the bonding surface, with grooves formed between adjacent raised units, the grooves being concentric with the bonding surface. This application allows external forces applied to the composite to be more evenly distributed across different parts of the substrate, avoiding localized stress concentration. The raised structure increases the contact area between the substrate and the diamond layer, significantly enhancing the adhesion between them. During drilling, the diamond layer adheres more firmly to the substrate, reducing the risk of premature detachment of the diamond layer due to external forces.

To prevent a reduction in temperature at both end sides in a longitudinal direction of a rotating body and positioning of a reflecting member.SOLUTION: A reflecting member 27 has a heat transfer part 29 that is applied with pressure between a base member 26 and a nip forming member 24. The heat transfer part 29 has hole parts 29a that are provided on both end sides in a longitudinal direction with respect to the longitudinal center M of the heat transfer part 29 so as to reduce the contact area of the heat transfer part 29 with the nip forming member 24, and a positioning part 29c that is provided at a position closer to the longitudinal center M than the hole parts 29a and determines the position of the reflecting member 27 relative to the base member 26.SELECTED DRAWING: Figure 4

The utility model discloses a hollow composite insulator convenient to install, and relates to the field of hollow composite insulator devices, the hollow composite insulator comprises a hollow composite insulator main body and a support frame, and the hollow composite insulator main body is fixedly installed at the top of the support frame through an installation assembly. According to the hollow composite insulator, the supporting plate is installed at the bottom of the hollow composite insulator body, the contact area between the bottom of the hollow composite insulator body and the supporting frame can be increased through the supporting plate, the force distribution can be more uniform by increasing the contact area between the hollow composite insulator body and the supporting frame, and the connection stability is enhanced; when the core rod is subjected to external force, the force can be better transmitted to the supporting frame through the supporting plate, the situation that local pressure of the hollow composite insulator body is too large can be reduced through the supporting plate, and deformation or damage caused by local stress concentration of the hollow composite insulator body and the supporting frame is avoided. And the strength of the hollow composite insulator after integral installation is improved.

A door assembly comprising a base profile (20) extending in a longitudinal direction (1) with a bottom surface (25), wherein the bottom surface (25) is configured as a contact surface for the base profile (20) against a flat and preferably horizontally extended floor support surface (2) not belonging to the door assembly, a pivotably and / or slidably held door leaf (10), and a floor threshold (30) also extending in the longitudinal direction (1), wherein the floor threshold (30) provides a surface (31) inclined relative to the bottom surface (25) as a leveling element, and the top surface (24) of the base profile (20) opposite the bottom surface (25) is placed against it, characterized in that a pleated element (40) is provided as an insect screen and a guide groove (33) extending in the longitudinal direction (1) is formed in the inclined surface (31) of the floor threshold (30).wherein the guide groove (33) is designed as a pleated guide and the pleated element (40) is arranged to be longitudinally displaceable in the guide groove (33).

Composite compaction system and method of use are presented. A method of supporting a composite compaction system is presented. A number of morphable bag supports of the composite compaction system is held in a retracted state. A contact face of a vacuum bag of the composite compaction system is placed in contact with a composite material on a support structure. The number of morphable bag supports is placed in an engaged state to conform to the support structure.

The utility model belongs to the technical field of hanging walls for electronic equipment, and particularly relates to a hanging wall structure. The wall hanging structure comprises a plastic part and a step screw, an opening is formed in the plastic part, the top of the opening is open, the bottom of the opening is closed, the step screw comprises a threaded section, a step section and a top section which are sequentially connected in the axial direction of the step screw, the cross sectional areas of the threaded section, the step section and the top section are sequentially increased, and a step surface is formed at the joint of the step section and the threaded section. The step surface is a plane and is perpendicular to the axis of the step screw; the cross sectional area of the threaded section is larger than that of the open hole, the threaded section is in interference connection in the open hole, the depth of the open hole is larger than the length of the threaded section, and the plastic part is provided with a contact plane making contact with the step face. The plastic part and the step screw are in direct interference connection, the forming period is prevented from being prolonged due to the fact that the plastic part needs to be formed with a nut of a metal part in a sleeved mode when a nut is used for transition connection, the forming period of the plastic part is shortened, and production efficiency is improved.

The utility model discloses a filter press for a multistage filtration system, which comprises a filter press, four corners of the outer surface of the lower end of a rack in the filter press are fixedly provided with support legs, the left side and the right side of the lower end of the filter press are provided with material guide structures, the outer wall of each material guide structure is provided with an anti-blocking structure, each material guide structure comprises a connecting plate and an inclined panel, the anti-blocking structure comprises a transmission box, a servo motor, a first rotating shaft, a blunt blade, a supporting seat, a second rotating shaft, a worm and a worm gear, the number of the material guiding structures is two, and a connecting plate in the two material guiding structures is fixedly installed between supporting legs on the two sides of the bottom of the filter press. According to the filter press for the multi-stage filtering system disclosed by the utility model, an anti-blocking structure is arranged, so that caked materials can be conveniently crushed, the blanking smoothness is improved, and the blunt blades are arranged, so that the contact area between the blunt blades and the materials can be increased, and the blocky materials can be more easily crushed.

The container sealing structure comprises a cup body assembly and a first cover body assembly or a second cover body assembly installed on the top of the cup body assembly, and the cup body assembly comprises a container containing body and an outer rolling model integrally formed on an upper opening of the container containing body; the first cover body assembly comprises a first cover body and a first extension integrally formed on the periphery of the first cover body, and a plurality of sets of independent L-shaped fixing lock catches are annularly arranged at the bottom of the first extension. Through the special design that the L-shaped fixing lock catch is integrally connected with the lower end of one side wall of the extension part and the J-shaped hanging buckle is specially designed and matched with a deformable material, a simple mold can be adopted for manufacturing, a transverse turnover groove can be designed or a contact surface close to an arc shape can be utilized, rapid and smooth demolding is achieved, the mold manufacturing cost is effectively reduced, and the service life of the mold is greatly prolonged; and the production cycle time of the product can be shortened.

The embodiment of the utility model provides a secondary embossment decoration product. The secondary embossment decoration product comprises a first base material layer and a second base material layer, the second base material layer is positioned on the surface of the first base material layer; the embossment layer is arranged on the second base material layer; the sealing layer covers the outer surface of the embossment layer, the sealing layer is of a two-layer structure, the inner layer is a thermoplastic elastomer material layer, and the outer layer is an acrylic resin material layer; the elastic connecting piece is arranged between the first base material layer and the second base material layer; the number of the elastic connecting pieces is not less than four, and the elastic connecting pieces are uniformly distributed on a contact surface between the first base material layer and the second base material layer; the area of the first base material layer is larger than that of the second base material layer, and the ratio of the first base material layer to the second base material layer is 1: 1-1.5: 1. Through the scheme of the embodiment of the invention, the problem that the structural stability and the sealing performance are influenced due to the fact that the secondary embossment decoration product often needs to be combined with different materials for use and the difference of different thermal expansion coefficients may cause a gap to be generated at the joint part can be solved.