83 results about "Nail structure" patented technology

The invention relates to a laser surfacing modification method for a thermal barrier coating. The method comprises the following steps of: firstly, carrying out washing and sand blasting on the surface of a base body; then, preparing the thermal barrier coating in a thermal spraying state on the surface of the base body; then, designing shape, size, arrangement rule and distribution density of laser modification unit bodies in a pile nail structure to be prepared in the thermal barrier coating; then, adjusting the process parameters of a laser according to a design model; then, performing laser modification to the thermal barrier coating; and finally, performing the stress relief annealing treatment to the laser modified thermal barrier coating. With the adoption of the method for arranging discontinuous and dispersed intensifying unit bodies in the pile nail structure in the thermal barrier coating, the thermal barrier coating can not only generate characteristic of soft and hard alternate change, but also generate the 'pinning effect', thus not only relieving stress concentration at the crack tip of the coating and reducing the crack rate of the coating, but also extremely improving the bonding strength of the coatings, prolonging the thermal fatigue service life of the thermal barrier coating, improving the tissue structure of the coating and improving the compactness of the coating.

The invention relates to a matched product of a petrochemical pipeline, in particular to a high-temperature pipeline heat insulation support. The high-temperature pipeline heat insulation support comprises a pipeline connection component, a heat insulation block, a base connection component and a base and is characterized in that a pipeline is lifted by the upper end of the pipeline connection component; the lower end of the pipeline connection component is connected with the top end of the heat insulation block; the lower end of the heat insulation block is fixed on the base by the base connection component. The high-temperature pipeline heat insulation support has the following advantages: 1, a heat insulation material is used as a component of a pipe holder supporting component, so that not only the requirement on intensity of a pipe holder, but also the requirement on a heat insulation effect of the pipe holder are met, and the effective heat insulation thickness is effectively increased; 2, in the working process, the axial thrust of the pipeline can be balanced out by a baffle and compared with a conventional anchoring nail structure, the high-temperature pipeline heat insulation support can bear a larger axial force; 3, the size of the heat insulation block assembly is not restrained by the sizes of the pipeline connection component and the base connection component, modular production can be carried out, universality is improved, and cost is reduced; 4, the use amount of steels is reduced, the welding quantity is small, and the workload of production is reduced.

The invention discloses an enclosure connecting structure, which comprises a connecting pair constituted by a main connecting part and an auxiliary connecting part, wherein the back ends of the main connecting part and the auxiliary connecting part are fixed with an enclosure, pin holes are arranged at the front end of the main connecting part and the front end of the auxiliary connecting part, a pin shaft penetrates the pin holes for hinging the main connecting part and the auxiliary connecting part together, the bottom end of the pin shaft adopts a tooth nail structure and extends out of the pin hole, and a fastening head is fixed at the top end of the pin hole. On the basis of the hinged enclosure connecting structure, the bottom end of the pin shaft adopts a tooth nail structure and extends out of the pin hole, and a tooth nail can be conveniently and firmly embedded in the mounting surface, so that the enclosure connecting structure is not only easy to fix but also less prone to deformation; furthermore, the fastening head is fixed at the top end of the pin hole, so that a pin is less prone to shedding, and detachment is also convenient; after the fastening head is detached, a layer of the enclosure can also be superimposed, and only the tooth nail on an upper-layer enclosure connecting part needs to be inserted into the top end of the pin hole, so that the structure is simple and the connection is convenient.

The invention relates to a preparation method of high-molecular composite material strip nail. Strength and toughness of plastic nails prepared by present methods are not high enough. The method provided by the invention comprises the following steps: firstly uniformly mixing nylon resin, glass fibre, a toughening modifier, a filler, a coupling agent, an anti-oxidant and a lubricant in proportion, and carrying out melt extrusion for pelleting; drying pellets, and forming by injection moulding in an injection machine to form a strip nail structure which comprises a plurality of individual nail bodies which are arranged in parallel, wherein two adjacent individual nail bodies are connected with each other through a connecting rod and a sidewall of each nail body part is provided with an elongated groove; and dipping and drying the injection-moulded material by the use of a silicone oil acetone solution, so as to obtain the high-molecular composite material strip nail. The high-molecular composite material strip nail prepared by the method has characteristics of high strength, light weight, rust resistance, corrosion resistance, antistatic performance, colorable performance and stable performance, and is convenient for secondary processing.

The invention relates to a rotary anti-skid shoe sole for children. A plurality of protruding rotatable circular anti-skid nail structures different in size are designed on the shoe sole to form a step-by-step anti-skid system. The rotatable anti-skid structures can change directions on the uneven ground to achieve a multidirectional anti-skid function. A plurality of micro-adsorption structures in the shoe sole can form a plurality of miniature closed spaces in different directions, so that the adsorption performance is enhanced, and the multidirectional anti-skid effect is achieved. The anti-skid nails different in size are arranged according to foot sole mechanical paths and pressure distribution areas in the walking process of children, so that each area of the foot soles of children can provide strong anti-skid performance in each stage of the walking process. In addition, the anti-skid nails of the shoe sole are connected by inclined patterns so that friction force can be increased to achieve the secondary anti-skid effect.

The invention discloses a medical cranium nail structure. The cranium nail structure includes first threads with first front surfaces, first rear surfaces and crests, second threads which include second front surfaces and second rear surfaces are formed on at least part of the crests of the first threads, the shapes of sections, in the cross section of the axis of a bolt, of at least part of the second threads are changeable, the mode of change includes gradual change, sudden change and the combination of the gradual change and the sudden change, the first threads include conical thread root diameters, and the thread pitches of the second threads are changeable; a penetrating-through cavity is formed in the middle of a cranium nail, the upper end portion of the cavity is provided with a hexagonal groove segment, the bottom of the hexagonal groove segment and the bottom of the cavity are both provided with plugs, and the cranium nail is prepared by the adoption of a medical polyether-ether-ketone macromolecular material. The medical cranium nail structure is simple in structure and convenient to use; by the adoption of the medical cranium nail structure and a preparation method thereof, surgical effects are good, standardized convenient preparation can be achieved, and the effect on a cranium defect repair is good.

The invention discloses a tire puncturing nail structure of a net type tire puncturing stopper. The tire puncturing nail structure comprises a tire puncturing nail single body, the tire puncturing nail single body comprises a base and a tire puncturing nail, the upper portion of the base is of a round cake shaped top structure made of a cast iron material, a quadruple rim chamfering structure is arranged at the top of the base, the bottom of the base is of a round boss structure, mutually perpendicular connecting holes are formed in the side face of the bottom of the base, and are used for allowing aromatic polyamide fiber to penetrate through to achieve that a net body and the tire puncturing nail single body are mutually fixed, a conical air leakage cavity is arranged in the bottom of the base, and is communicated with the connecting holes, the tire puncturing nail single body is of a columnar structure made of medium carbon steel, the inside of the columnar structure is hollow, the top of the tire puncturing nail single body is of a pentagonal rim structure, air leaking holes are formed in the side face of the tire puncturing nail single body, and the hollow part of the bottom of the tire puncturing nail single body is communicated with the air leaking cavity. The tire puncturing nail structure of the net type tire puncturing stopper is simple in structure, convenient to manufacture and high in practicability.

The invention discloses a wire nail structure. The wire nail structure comprises an upper wall and a lower wall which are arranged correspondingly and side walls for connecting the upper wall and the lower wall, wherein a height difference exists between the upper wall and the lower wall; a plurality of accommodating spaces for accommodating a plurality of electric wires are arranged between the upper wall and the lower wall; each side wall is provided with one or more deformation parts capable of enabling the corresponding side wall to be deformed; an upper wall mounting hole and a lower wall mounting hole are further formed in the upper wall and the lower wall, and are used for fixing the upper wall and the lower wall. The electric wires with different functions are fixed in different accommodating spaces so as to ensure that the electric wires can be clamped in the accommodating spaces through the deformation difference on the deformation part on the wire nail, so that the design is more targeted, and meanwhile different wire diameters are also suitable for use.

The invention provides an adjustable Y-type furnace wall grasping nail structure. Due to the structure, the length of Y-type furnace wall grasping nails can be adjusted according to the thickness of refractory materials, then the Y-type furnace wall grasping nails are high in generality, the design and production workload is reduced, and working efficiency is improved. The adjustable Y-type furnace wall grasping nail structure comprises a V-type head structure and an L-type force arm structure and is characterized in that the connection position of the V-type head structure is concretely of a nut structure, the outer walls on the two sides of the nut structure are respectively connected with a metal rod in a welded mode, the metal rods on the two sides are combined to form the V-type structure and are located in the same plane, one end of the L-type force arm structure is machined to be of an external thread structure, and the nut structure is in threaded connection with the external thread structure.

The invention relates to a bucket type oil tank positioning nail structure and a positioning method of a transformer, and belongs to the technical field of transformers. The invention adopts the technical scheme as follows, the bucket type oil tank positioning nail structure comprises an iron core lower clamp web (1), a positioning nail (2), a base sleeve (3), an insulating paper board (4) and a seamless steel tube (5), wherein the positioning nail is welded on the iron core lower clamp web (1); a section of seamless steel tube is welded at the bottom of a transformer oil tank; the base sleeve is arranged inside the seamless steel tube; the base sleeve is matched with the positioning nail; the base sleeve is a polyurethane base sleeve which is elastic and convenient to adjust and matched with the positioning nail. The bucket type oil tank positioning nail structure has the positive effects that polyurethane base sleeves of three different models are equipped, the size of the positioning nail is measured, the errors are strictly controlled, proper base sleeves are selected, the workload is alleviated, the working efficiency is improved, and the cost of the transformer is lowered; the oil tank positioning nail structure is simplified, the number of components and the welding times are reduced, and the positioning nail is not required to be cast, so that the working intensity is alleviated, and hanging and checking are convenient to perform.

The invention discloses a pressure stabilizing nail structure for compensating a flow force in the closing direction of an internal flow type cartridge valve. A plurality of throttle holes which are uniformly formed in a spaced manner circumferentially are formed in the periphery of the bottom of a valve sleeve of the cartridge valve; a chamfer is arranged at the inner edge of the inner end surface, close to an oil return port, of the valve sleeve; the chamber is matched with the outer edge of the bottom end surface of a valve element, close to the oil return port, and the pressure stabilizingnail structure is arranged on the bottom end surface of the valve element; the pressure stabilizing nail structure comprises a connecting rod of a pressure stabilizing nail and a tail boss of the pressure stabilizing nail, wherein one end of the connecting rod of the pressure stabilizing nail is fixed to the center of the bottom end surface of the valve element while the other end of the connecting rod of the pressure stabilizing nail is fixedly connected to the center of the small end surface of the tail boss of the pressure stabilizing nail, the large end surface of the tail boss of the pressure stabilizing nail faces downward and is parallel to the bottom end surface of the valve element, and the connecting rod of the pressure stabilizing nail, the tail boss of the pressure stabilizingnail and the valve element are arranged coaxially. The pressure stabilizing nail structure disclosed by the invention can compensate the flow force in the closing direction of the internal flow typecone valve, and can adjust the compensating degree of the flow force subjected to the valve element.

The invention relates to the technical field of composite material mechanical connection structure load calculation, in particular to a rapid analysis system for composite material nail loads which directly calls PATRAN to perform modeling according to structure geometrical parameters, material parameters, attribute parameters, load parameters and the like input by a user and calls NASTRAN to perform calculation. Load size and the distribution proportion of each nail can be obtained. The load distribution proportion of the composite material nailing structure can be rapidly calculated, the complex modeling and analysis process is removed. The two-dimensional modeling method of mechanical connection is improved, the calculation accuracy is improved, and the modeling time is greatly saved.

The invention discloses a manufacturing method of a copper/steel combination injection mold with a honeycomb and planted nail interface structure. The manufacturing method comprises the following steps that a steel plate serves as a raw forming material, and a steel plate incremental forming part is manufactured according to an incremental forming method; then a honeycomb structure is arranged onone surface of the incremental forming part in a 3D printing mode; welding nails are planted in honeycomb holes; a copper substrate casting of the copper/steel combination injection mold is cast in amold-free mode; cooling channels are machined; and steel reinforcing layers of the copper/steel combination injection mold are formed on the surface of a steel coating of the copper substrate castingin a 3D printing mode. According to the manufacturing method, the interface bonding of a copper substrate and the steel reinforcing layers of the copper/steel combination injection mold is achieved through the honeycomb and planted nail structure in the manufacturing process, the outline of a bonding interface is similar to the curved surface of a mold cavity of the copper/steel combination injection mold, the whole manufacturing process is free of molds, and high-quality and low-cost rapid manufacturing of the copper/steel combination injection mold is achieved.

This application is directed to a method of treating onychomycosis by applying a phototherapeutic agent to a nail structure, waiting for a period of at least three days, and exposing the nail to light that causes an activation reaction. The phototherapeutic agent may be amino levulinic acid, alkylated derivatives of ALA, and their pharmaceutically acceptable salts.

The invention discloses a nail shooter without a firing spring, which comprises a nail tube, a nail tube fixing sleeve, a nail tube pressure spring, a firing pin and a firing pin seat, one end of the nail tube fixing sleeve is fixedly sleeved on the nail tube, The other end is movably sleeved on the firing pin seat; one end of the firing pin is fixed on the firing pin seat, and the other end is located in the nail tube; one end of the nail tube compression spring is sleeved on the nail tube, and the other end is sleeved on the nail tube. on the firing pin. The present invention cancels multiple parts such as the firing pin, firing pin pressure spring, firing column, firing piece, firing column pressure spring in the existing push-type nail shooter, greatly simplifies the structure of the nail shooter, and greatly reduces the manufacturing cost , failure rate and maintenance cost. Correspondingly, the ready-to-fire state during the firing process is also canceled, which not only achieves the purposes of simplifying the firing process and improving firing efficiency, but also makes it easier to eject the cartridge case.

The invention provides a novel orthopedic operation navigation system. An intelligent manipulation device is arranged at the top of a connecting control box, an operation electric drill is connected to the rear portion of the connecting control box, and a location scanning plate is arranged on the periphery of a fixed nail structure; an image obtaining module, a communication module, a data processing module, a display module, a power module and an output module are arranged in the intelligent manipulation device, the image obtaining module is connected with the data processing module through the communication module, the data processing module is connected with the display module and the output module, and the power module is connected with the data processing module. Virtual skeleton images of the operation portions of a patient and the concrete position, where an operation instrument enters, of the patient body are displayed through three-dimensional images, real-time guidance is carried out in the operation process, efficiency of operation of a doctor is improved greatly, and therefore the operation is completed more safely, accurately and efficiently.

The present invention relates to a prickle-proofing tool which can be used for picking prickly vegetables and fruits (prickly ash, jujube, tea leaf and others for preventing prickly from pricking human body. Said prickly-proofing tool includes two portions of glove and hook knife. Said glove is made up by using a flexible material whose texture is close, strong and pliable. Said glove includes the glove body with curved face structure and air permeable structure and finger covers, in which every finger cover end portion is equipped with a simulated nail structure. Said hook knife is formed from two knife blades with blade edge, said two knife blades can be opened and closed together for cutting prickly fruits.

A spike nail for nailing in walls made of gypsum boards or fiber boards has a nail body which consists of a first blade and a second blade. The nail body includes a striking section, a upper guiding sleeve, a lower guiding sleeve, a screw thread guiding section and a nail point section. The spike nail thus constructed can be nailed into gypsum board or fiber board walls to facilitate hanging articles.