31results about How to "Guaranteed bonding strength" patented technology

This application relates to the field of silicone rubber composition processing, specifically disclosing a high-adhesion room temperature curing addition-type silicone rubber composition and its preparation method. The high-adhesion room temperature curing addition-type silicone rubber composition comprises: 100 parts of vinyl polysiloxane, 3-15 parts of crosslinking agent, 0.1-2 parts of catalyst, 8-35 parts of tackifier, 0.5-5 parts of tackifier accelerator, 5-30 parts of reinforcing filler, and 0.01-1 parts of inhibitor. The tackifier includes silane coupling agents containing epoxy and alkoxy groups and MQ silicone resin containing vinyl and alkoxy groups. The preparation method involves: mixing the vinyl polysiloxane with the reinforcing filler, dehydrating and cooling to obtain a base rubber; adding crosslinking agent, tackifier, tackifier accelerator, and inhibitor to a portion of the base rubber, mixing and degassing to obtain rubber compound B; adding a platinum catalyst to a portion of the base rubber, mixing and degassing to obtain rubber compound A; mixing rubber compound A and rubber compound B at a ratio of 1:0.8-1.2, degassing, and curing to obtain the finished product; it has the advantage of high bonding strength.

The application provides a microcapsule, a composite fabric, a preparation method of the composite fabric and a summer quilt. The preparation method of the composite fabric comprises the following steps: A1, treating the top surface and the bottom surface of a moisture-permeable layer by using oxygen plasma; A2, adding microcapsules and a crosslinking agent into water to obtain a sticky liquid; coating the sticky liquid on the bottom surface and the top surface of the moisture-permeable layer in a dotted form, bonding the moisture-permeable layer and a moisture-removing and air-permeable layer by taking the top surface of the moisture-permeable layer as a bonding surface, bonding the moisture-permeable layer and a skin-friendly cool layer by taking the bottom surface of the moisture-permeable layer as a bonding surface, drying and hot pressing; the microcapsule comprises a core material and a shell covering the outside of the core material, the core material comprises a glue, and the glue is selected from glue A or glue B or a combination of the two, the glue A is a solvent-free moisture curing reaction type polyurethane hot melt adhesive, and the glue B is an acrylate with an epoxy group and / or a urethane group. The application can guarantee the moisture permeability and air permeability of the composite fabric.

The application discloses an intelligent imaging generation system and method, which realizes closed-loop control of spraying quality by real-time linkage adjustment of spraying mechanical arm and imaging equipment parameters through a dynamic parameter adjustment module, and combines a defect prediction and optimization decision module and a multi-modal process knowledge base. The system integrates a high-resolution visual sensor, a capacitive thickness detector and a temperature and humidity sensor, fuses multi-source data by using a Kalman filtering algorithm, and dynamically adjusts the speed of the mechanical arm, the nozzle pressure and the imaging gain coefficient. The defect prediction module simulates coating defect morphology based on a physically constrained generative adversarial network and generates a process optimization instruction set through reinforcement learning. The multi-modal process knowledge base stores an associated model of material characteristics, environmental data and defect patterns, supports incremental learning and historical data decay update. Through dynamic parameter collaborative optimization, defect prediction prepositioning and multi-modal data fusion, the spraying quality detection efficiency and coating consistency are improved, and the rework rate is reduced.

The application discloses a stone curtain wall with an assembling structure and an assembling method thereof, and relates to the technical field of buildings. The stone curtain wall comprises a wall body, a keel assembly, a first stone plate, a second stone plate, an elastic sealing element and a lamp strip assembly. The second stone plate under the action of gravity is hung on the keel assembly by using the cooperation of each hook part and each hanging groove. Then, the elastic sealing element and the first stone plate are used to cooperate with the first hook part under the action of gravity, the tongue block of the second stone plate is clamped in the installation groove in the up-down clamping mode, the second stone plate is firmly installed, and the second inclined keel is effectively prevented from being fixed by manual work or other tools in the curing process of the back adhesive, the hollow space between the second stone plate and the second inclined keel is effectively reduced, the effective area and the bonding strength of the back adhesive are ensured. In addition, the lamp strip assembly is used as the corner assembling element between the stone plates in the stone curtain wall, the lamp strip assembly is organically integrated into the stone curtain wall, the stone curtain wall has the night scene function, and the structural strength of the stone curtain wall is improved.

This invention provides a method for manufacturing a diamond wire saw for cutting silicon carbide single-crystal substrates. First, impurities are removed from the diamond micro-powder abrasive. During the abrasive application process, the abrasive density *a* on the steel wire is monitored in real-time via images and videos, and the feeding rate of the diamond micro-powder abrasive in the feeding container is controlled accordingly, achieving a first-step closed-loop control. In the subsequent nickel plating thickening process, the concentricity of the thickened layer on the steel wire and the continuous stability of its thickness are controlled. Before winding, the wire saw diameter *d* is measured using a laser method. Based on the mapping relationship between the wire diameter *d*, abrasive density *a*, and plating thickness *c*, a second closed-loop control is implemented for the entire wire saw production process. The two closed-loop controls operate nested together, ensuring precise control throughout the entire process. The diamond wire saw obtained by this method exhibits high continuous stability in various performance indicators, ensuring good process stability during the cutting of single-crystal silicon carbide substrates, thereby reducing cutting risks.

The invention discloses a ceramic coating marine cable connector, which comprises a connector shell, a conductive pin and an end cover, a composite protective coating system is arranged on the outer surface of the connector shell and the matching surface of the end cover, and a metal protective coating is arranged on the contact surface of the conductive pin. According to the ceramic coating marine cable connector and the preparation method thereof, the problem of galvanic corrosion of dissimilar metal is effectively solved through micro-arc oxidation / electronickelling differentiation bottom layer treatment, physical barrier and intelligent response cooperative protection is achieved through the graphene composite middle layer, a complete protection system is formed in combination with the super-hydrophobic top layer, and the corrosion resistance of the connector is improved. And finally, while the bonding strength of the coating is ensured, the corrosion-resistant life and maintainability of the connector in a marine environment are remarkably improved.

This invention relates to the field of rubber materials technology. It provides a high-strength, low dynamic ratio EPDM rubber material and its preparation method. The raw materials for the EPDM rubber material, by weight, include: 140-200 parts of EPDM raw rubber, 70-80 parts of filler, 5-40 parts of plasticizer, 2.0-3.0 parts of antioxidant, 1.0-3.0 parts of processing aid, 0.3-0.8 parts of vulcanizing agent, 3.0-4.0 parts of accelerator, 4-6 parts of zinc oxide, and 1.0-2.0 parts of stearic acid. The EPDM raw rubber is oil-extended EPDM rubber, with an oil content of 40-100 parts. This invention provides a high-strength, low dynamic ratio EPDM rubber material with high strength and low dynamic ratio, significantly improving the NVH performance and service life of the product. It can meet the functional requirements of current new energy vehicles for vibration damping rubber products, such as vibration reduction, noise reduction, high load-bearing capacity, and high durability.

The present application relates to a kind of cylindrical electrode paste and its preparation method.A kind of cylindrical electrode paste, by mass parts, including 15-20 parts of anthracite main material, 25-40 parts of residual anode, 3-10 parts of graphite fragment, 25-35 parts of coke, 15-30 parts of organic binder, 6-18 parts of bio-based binder. Among them, organic binder includes medium temperature pitch, anthracene oil, beta resin. Among them, bio-based binder includes carbonized hydrophobic composite modified wood bamboo powder, sodium carboxymethyl cellulose. The carbonized hydrophobic composite modified wood bamboo powder of the present application and sodium carboxymethyl cellulose are compounded to form a bio-based binder, which cooperates with the organic binder to ensure the bonding strength, high temperature resistance and electrical conductivity of the cylindrical electrode paste, while realizing the green and low-carbon utilization of biomass, solving the problems of high temperature failure, moisture absorption and easy caking, and many pores of traditional bio-based binder, reducing the resistivity and production cost, and improving the structural density and use stability.

The present application relates to plate processing equipment technical field, specifically to a kind of self-adapting type plate linear edge banding system, including the edge banding machine main body being provided with defoaming unit, defoaming unit is used to prevent edge banding tape to fall off, defoaming unit includes cavity, cylinder, clamping plate, motor and connecting rubber membrane, cylinder is installed on edge banding machine main body can drive cavity to move, cavity is opened with the air pipe being connected with vacuumizing equipment on, clamping plate is respectively arranged in the upper and lower sides of cavity, clamping plate is used to clamp plate and clamping plate and cavity constitute the moving pair in vertical direction, motor is set in the rear side of cavity and is driven clamping plate by swing arm with roller, connecting rubber membrane is connected with the rear side of clamping plate located in the different sides of cavity, one end of air pipe is communicated with connecting rubber membrane, it can be self-adapting different thickness plate without frequently replacing adapter, while eliminating air bubble can make hot melt adhesive form invasive interface in plate edge, help to improve the bonding strength of edge banding tape and plate and avoid peeling.

This invention discloses a hot isostatic pressing densification method for impregnated coating of ball valve cores, belonging to the field of metal surface coating technology. The method specifically includes the following steps: (1) substrate pretreatment and coating preparation; (2) activation of the coating's thermoplastic state; (3) encapsulation-type near-isostatic pressing densification treatment; and (4) unloading, cooling, and finishing. The core of this invention lies in the synergistic effect of "thermoplastic softening" and "uniform pressure application with full spherical encapsulation." By applying a uniform pressure of approximately isostatic pressure to the coating in its thermoplastic state, the internal pores are efficiently closed, improving the coating's density and overall mechanical properties without damaging the coating's integrity or the workpiece's geometric accuracy.

The utility model relates to the technical field of desert control equipment, in particular to a sapling transplanting device suitable for sand land, which comprises a shell, the shell comprises a shell body, a planting box is mounted in the shell body in a threaded manner, the planting box comprises a hollow double-layer box body, and a protective cover is mounted at the top of the double-layer box body in a sliding manner. According to the utility model, the shell, the double-layer box body and the protective cover are made of degradable materials and do not need to be disassembled after being used; the groove is formed in the bottom end of the shell, so that holes are formed in the groove of the shell and matched with the air holes in the bottom of the inner cylinder to guide root systems of saplings to extend downwards, and the survival rate of the saplings is guaranteed; by arranging the sand stabilization layer and the fixing pieces, the bonding strength of the shell and sandy soil is guaranteed, and wind erosion is prevented; a water retention layer is arranged and water is stored between the bottom of the planting box and the shell, so that water supply to saplings is guaranteed; by arranging the multiple circles of pre-cutting grooves, saplings of different ages can be adapted, and meanwhile the growth requirements of the saplings are met.

The invention discloses a wall building robot which comprises a frame body, a first driving mechanism, a mortar throwing mechanism, a mortar conveying pipe and a mortar plastering mechanism. The first driving mechanism is mounted on the frame body; the mortar throwing mechanism is connected with a first output part of the first driving mechanism, so that the mortar throwing mechanism attaches mortar to a wall surface in a patting manner; the mortar conveying pipe is mounted on the mortar throwing mechanism so as to move along with the mortar throwing mechanism, and the mortar conveying pipe is used for conveying mortar to the mortar throwing mechanism; and the plastering mechanism is connected with the second output part of the first driving mechanism, so that the plastering mechanism flatly paves mortar attached to the wall surface on the wall surface along the mortar throwing path of the mortar throwing mechanism. The plastering device can replace workers to conduct plastering operation, and the working time sequence of mortar throwing and plastering is shortened.

The invention discloses a hot galvanizing method for an extra-high voltage transmission tower steel part, which belongs to the field of hot galvanizing and comprises the steps of hanging materials, pickling with hydrochloric acid to remove rust, cleaning with water, assisting in plating with a solvent, drying, purifying zinc liquid, hot-dip galvanizing and cooling, the zinc liquid purification step comprises slag removal pretreatment, zinc liquid temperature regulation and control, purification agent preparation, purification agent caging and liquid feeding, moving reaction for iron removal and scum removal, and the purification agent comprises industrial-grade metal aluminum wires and water-containing gas substances. The purifying agent is prepared from industrial-grade metal aluminum wires and water-containing gas production substances, wrapped by high-temperature-resistant glass wool cloth into a cluster, loaded into a cage frame made of titanium alloy round steel bars and reciprocatingly moved in the length direction of a zinc pot, so that iron-containing impurities in molten zinc fully react with the purifying agent in the cage frame, and a gray vermicular flocculent reaction product is generated; and then the dross is fished out, so that the purification of iron impurities in the zinc liquid is realized, the liquidity of the zinc liquid is improved, and the adhesive force of a zinc coating on a steel substrate is improved.

The application discloses an impact-resistant and wear-resistant epoxy resin modified mortar and a preparation method thereof, and relates to the technical field of mortar.The application comprises the following raw materials in mass parts: deionized water 170-190 parts, modified boron nitride synergist 13.13-14.38 parts, water reducing agent 0.8-1.2 parts, tributyl phosphate 0.6-0.8 parts, composite modified porous polysiloxane microspheres 26.25-28.75 parts, water-based epoxy resin 21-23 parts, Portland cement 420-460 parts, sulphoaluminate cement 105-115 parts, concrete expansive agent 15.75-17.25 parts, river sand 1050-1150 parts, water-based epoxy curing agent 27.3-29.9 parts.The introduction of the modified boron nitride synergist and other raw materials in the application simultaneously improves the compressive strength, the bending strength, the impact strength, the wear resistance, the anti-cavitation ability, the aging resistance and the alkali corrosion resistance.

The utility model discloses a separation type facial mask bag which comprises a bag body, a liquid cavity and a facial mask cavity are arranged in the bag body, a first easy-to-uncover strip and a second easy-to-uncover strip are arranged on the two sides of the interior of the bag body between the liquid cavity and the facial mask cavity respectively, and the first easy-to-uncover strip and the second easy-to-uncover strip are attached in a separable mode through hot melt adhesive. The first easy-to-tear strip and the second easy-to-tear strip are provided with transverse embossments, and vertical embossments are arranged at the two ends of the transverse embossments and form locking edges. A clamping block is arranged on the top face of the first easy-to-tear strip, and a connecting groove matched with the clamping block is formed in the top face of the second easy-to-tear strip.

The utility model relates to the field of coke oven production technology, a kind of coke oven low load production heating flow control device, a kind of coke oven low load production heating flow control device, including flow orifice plate, the inside of flow orifice plate is equipped with first flow-through hole, the surface of flow orifice plate is equipped with first recess, the inside of first recess is provided with gasket, the inside of gasket is equipped with second flow-through hole, the bottom wall of first recess is equipped with glue dropping groove;The utility model is pasted gasket of specific inner diameter on minimum flow orifice plate, effectively reduces the flow area of flow orifice plate, realizes the fine adjustment of heating flow under low load condition, and the actual operation verifies that flow control precision can improve 89.96%, greatly improves the stability and uniformity of coke oven heating, simultaneously with the setting of glue dropping groove, extrusion ring, give way slot, second recess, extrusion protrusion and other structures, further guarantee the bonding strength of adhesive, sealing effect is higher, easy operation.

The application provides a pad structure, a pressure sensor and a preparation method, an exhaust gas recirculation system and a vehicle, and relates to the technical field of vehicles.The pad structure comprises a pad base body, the pad base body comprises a base material layer, a nickel plating layer and a gold plating layer arranged on the base material layer in sequence, the surface of the gold plating layer of the pad base body is divided into a bonding area and a non-bonding area, the bonding area is used for being connected with a bonding wire, the non-bonding area is used for being connected with a protective glue, a plurality of grooves are formed in the non-bonding area, the distance from the surface of the gold plating layer away from the nickel plating layer to the groove bottom is greater than or equal to the thickness of the gold plating layer and less than or equal to the sum of the thicknesses of the gold plating layer and the nickel plating layer.The pad structure has a gold-plated bonding surface and a nickel-exposed non-bonding surface, can enhance the corrosion performance and welding strength of the pad structure, and can improve the adhesion of the protective glue and the surface of the pad plating layer.

The invention belongs to the technical field of metal surface treatment, and particularly relates to a metal surface corrosion-resistant and wear-resistant coating as well as a preparation method and application thereof, and the coating comprises the following components in percentage by weight: 60-75% of nickel-based alloy powder, 5-15% of nano oxide particles, 10-25% of coated graphite particles and 5-10% of a metal binding phase; the coated graphite particles take graphite particles as cores, and the outer layers of the coated graphite particles are coated with metal oxide nano layers. The surface hardness and the wear resistance are obviously improved; the coated graphite particles of the core-shell structure effectively protect the stability of the graphite in a flame spraying high-temperature environment, avoid the problem of failure of functional components in the prior art, and gradually release the graphite in the service process to form a self-lubricating surface and reduce the friction coefficient. Through a multi-component synergistic effect mechanism, the coating can still keep surface integrity under the severe working condition of coexistence of high load and strong corrosion, and the service life of key parts is remarkably prolonged.

This invention discloses a mold and molding method for preparing NOL rings. By designing clamps on the surface of the segmented cylindrical mandrel and adjusting the axial width of the sample, two different NOL ring preparation methods, namely single-ring winding and cylindrical ring cutting, can be used as needed. The mold design is compact, and after modifying the yarn comb of the winding machine, it can achieve simultaneous winding of 3 NOL rings in a single operation, increasing efficiency by 2 times. After winding, a vacuum bag can be made on the smooth mandrel surface after removing the clamps, so that some dry prepreg samples can be bag-pressed or autoclaved. Under external molding pressure, the interlaminar shear strength is increased by 70% compared with dry samples without external pressure.

This invention relates to a board stacking system and curing chamber, comprising a placement rack and a storage rack. The storage rack has multiple layers of slide rails spaced apart from top to bottom, and each slide rail has a storage box. A stacking module is located at the top of the placement rack and is used to retrieve and store the multiple storage boxes on the storage rack. A lifting module is located in the middle of the placement rack and is used to control the altitude of the stacking module. A glue-applying unit is located at the top of the placement rack, away from the storage rack. This system effectively solves the problems of low space utilization, difficulty in controlling curing conditions, and high labor intensity and low efficiency of traditional natural drying methods. It achieves three-dimensional storage of boards, greatly saves production space, and significantly improves space utilization.

The invention discloses an intelligent mold-free wall type sole pressing machine and a pressing method thereof.The intelligent mold-free wall type sole pressing machine comprises a base, a first flexible filler, a first driving device, a second driving device, a second flexible filler and a liquid driving device, the first flexible filler is provided with a first inner cavity, the first flexible filler is arranged on the base, the first inner cavity is provided with a first channel, and the first channel is provided with a second channel; the two side wings are arranged on the bottom carrier in a swinging mode, the two first driving devices are arranged on the outer sides of the side wings correspondingly and used for driving the side wings to swing, the second flexible filler is provided with a second inner cavity, and the two sets of second flexible filler are located between the ends of the two side wings correspondingly. The second driving device is used for driving the second flexible filler to move between the positions extending into the middle parts of the two side wings or the positions far away from the middle parts; and the liquid driving device is used for conveying liquid with preset pressure to the first inner cavity and / or the second inner cavity and forcing the inner walls of the first flexible filler and the second flexible filler to deform.

The utility model provides a kind of pouring formwork of double T plate, including mould frame, side plate, rib plate and end plate, mould frame is in the shape of Chinese character, the both ends of mould frame are equipped with first fixed plate respectively, and the middle bottom surface of mould frame is equipped with second fixed plate;Side plate is detachably connected with first fixed plate, and the both ends of side plate are detachably connected with end plate respectively;Side plate is vertically arranged with mould frame, and side plate is parallelly arranged with rib plate;Along the extension direction of side plate, there is at least one mould frame;Rib plate is detachably connected with second fixed plate, and the end of rib plate is detachably connected with end plate;The shape of end plate is matched with the cross section of double T plate, and end plate is provided with several bar outlets.Compared with prior art, the utility model has the advantages of simple structure, convenient operation and quick disassembly, can realize the modular production of multiple size double T plate, and ensure the bonding strength between double T plate and cast-in-place reinforced concrete layer.

The invention provides an anti-micro-discharge microwave filter. The filter comprises a top plate, an aluminum film, a blank body, a rubber pad and a body, the body is of a box-shaped structure with an opening in the side face, and a partition plate is arranged in a containing cavity. The rubber mats are arranged in the partition plates; the blank body is arranged on the rubber mat; the aluminum film covers the upper surface of the blank body; the aluminum film, the blank body and the rubber mat are fixed on the body through the top plate; according to the invention, a microwave filter design technology based on a filter blank is provided, the micro-discharge threshold value of the microwave filter is improved by utilizing the high voltage resistance characteristic and the high Q * f value of a microwave dielectric material, no redundant zero cavity is needed on a linear structure, a CT cross coupling structure is realized, and meanwhile, the out-of-band rejection index of the filter is improved; the whole assembly structure is simple, the debugging is simple, and the miniaturization and lightweight design of the microwave filter in the spaceflight load is realized.

This utility model relates to the field of building exterior wall technology and discloses an integrated composite structure for self-cleaning and thermal insulation of building exterior walls. It includes a base wall, an insulation layer, and a self-cleaning finishing layer. The insulation layer is fixedly disposed on the outside of the base wall, and the self-cleaning finishing layer is fixedly disposed on the outside of the insulation layer. An adhesive layer is fixedly disposed between the base wall, the insulation layer, and the self-cleaning finishing layer. A reinforcing layer is fixedly disposed on the outside of the insulation layer. In this utility model, the structure organically combines thermal insulation and self-cleaning functions through the insulation layer and the self-cleaning finishing layer, effectively improving the performance and quality of the building exterior wall. Furthermore, the adhesive layer and reinforcing layer ensure the bonding strength between the layers, preventing the insulation layer and the self-cleaning finishing layer from falling off, ensuring the stability and integrity of the composite structure. Simultaneously, it enhances the tensile and impact resistance of the composite structure, preventing cracks in the wall surface and extending the service life of the building exterior wall.

This invention provides a method for preparing coated notebook paper, comprising the following steps: S1, preparing base paper; S2, coating the surface of the base paper to form a coating layer, the coating layer comprising pigments and adhesives, wherein the adhesives comprise polyvinyl alcohol and enzyme-converted starch, comprising 100-110 parts by weight of pigment, 3-5 parts by weight of polyvinyl alcohol, and 10-14 parts by weight of enzyme-converted starch; S3, subjecting the base paper treated in step S2 to a second drying, calendering, and winding process to obtain the coated notebook paper. This application also provides coated notebook paper prepared by the above method. The coated notebook paper prepared by the method provided in this application has a fine surface, smooth writing, minimal pen wear, minimal ink bleeding, and rapid drying. It also possesses good coating strength and anti-bleed-through properties, making it particularly suitable as high-grade notebook paper.

The utility model relates to the technical field of gluing, in particular to a gluing structure capable of adjusting the smearing thickness. The utility model discloses a gluing structure capable of adjusting the smearing thickness. The gluing structure comprises two opposite wall plates, the two ends of the adhesive roller are rotationally connected between the two wall plates through rotating shafts; and the material box is internally provided with glue, is positioned below the glue roller and is arranged between the two wall plates. The glue scraping device has the advantages that the glue scraping structure is arranged in the sliding groove of the connecting arm, the moving end of the linear module is used for driving the stand column and the connecting arm to move close to the glue roller along the edge line of the top of the wall plate, and therefore the distance between the glue scraping plate and the glue roller can be flexibly adjusted according to actual requirements; glue attached to the outer portion of the glue roller can be accurately scraped, the thickness of the glue is reduced, and therefore it is guaranteed that a glue layer is matched with the characteristics of materials in the coating process.

The utility model discloses a novel instrument board glove box assembly structure, including storage box outer plate, storage box inner plate, interlayer storage box, interlayer storage box mounting plate, A type buckle, hidden type hook assembly, USB charging port and magnetic attraction connecting structure. Storage box outer plate and storage box inner plate are connected through positioning column and strong magnetic adsorption and are formed the detachable combination, and interlayer storage box is fixed on the inner plate through mounting plate and buckle, and hidden type hook assembly is composed of hook body, rotating shaft, hook mounting plate and limiting structure, and can rotate between the closing and opening position. USB charging port sets up at the lower part of outer plate, adopts the clamping type double interface structure. The glove box structure is half closed half open type layout, and the level is distinct, and is convenient to dismount, and is various in storage, and appearance is simple, is applicable to the installation of multiple vehicle type instrument board area.

The anti-cracking asphalt road structure comprises an asphalt road body, the asphalt road body comprises a surface layer, a gradient anti-cracking layer and a foundation layer which are sequentially laid from top to bottom, the surface layer comprises a fine asphalt concrete layer, a plurality of sets of grooves are formed in the top surface of the fine asphalt concrete layer at equal intervals in the length direction of the fine asphalt concrete layer, and the gradient anti-cracking layer is arranged in the grooves. The groove is filled with permeable asphalt concrete; the gradient anti-cracking layer comprises a stress absorbing layer and a reinforcing layer which are sequentially stacked from top to bottom, and a connecting piece extending into the stress absorbing layer and the reinforcing layer is arranged between the stress absorbing layer and the reinforcing layer, so that the stress absorbing layer and the reinforcing layer form an integral structure. According to the technical scheme provided by the utility model, the bonding layer formed by the interface agent is arranged between every two layers, and meanwhile, the linking piece for linking the whole body is designed in the gradient anti-cracking layer, so that the bonding strength between every two layers can be ensured, and the problem of interface cracks is not easy to occur.

The utility model discloses an automatic point gum machine for inductor, including base, Y axis servo lead screw module, bracket, X axis servo lead screw module, Z axis servo lead screw module and gum gun, the bracket front side is equipped with two groups of inductor positioning mechanism, and each inductor positioning mechanism includes two locating rack, and every locating rack is equipped with installing shaft and locating plate, the inside of locating plate is penetrated with negative pressure pipe, and this negative pressure pipe is connected with air pump and gas collecting cap through three -way solenoid valve, the gas collecting cap is equipped with shunt cavity and four branch channels in, the periphery of locating plate all is equipped with hollow limiting board. The utility model discloses when the air pump is communicated negative pressure pipe through three -way solenoid valve, can adsorb and fix inductor skeleton, avoid the damage caused by mechanical clamping, and when the air pump is communicated limiting board through three -way solenoid valve, and the airflow that blows out from limiting board can effectively remove welding slag or dust before gumming, and accelerates glue solidification after gumming.

The invention discloses a 720-degree swing head assembly based on a high-voltage electric connector, belongs to the technical field of rail transit circuit equipment, and aims at achieving the purpose, the technical scheme is that the 720-degree swing head assembly based on the high-voltage electric connector comprises an assembly body arranged between a front frame and a mounting base; the front end face and the rear end face of the assembly body are provided with connecting plates matched with the front frame and the mounting base respectively. A spring framework is arranged between the two connecting plates; and the outer side of the spring framework is coated with a rubber pad. In order to solve the problems, the 720-degree swing head assembly based on the high-voltage electric connector is provided, the structural design that novel composite rubber and a spring framework are combined is adopted, and the high density of a swing head stack and the bonding strength of the swing head stack and the spring framework are guaranteed. The high-voltage electric connector can move back and forth and left and right in any direction under the locomotive vehicle coupling operation application scene, the contact pressure of the high-voltage electric connector is kept, the 720-degree head swinging function of the electric connector is achieved, and the whole assembly is stable, reliable and safe.