104results about How to "Embedded firmly" patented technology

The invention relates to a method for manufacturing a cellular ceramic-metal composite vertical mill roller and belongs to the technical field of metal-matrix composites. The method comprises the steps that firstly, a cellular porous ceramic preform is manufactured and then made into a cellular ceramic-metal composite wear-resisting insert, wherein the cellular ceramic-metal composite wear-resisting insert is provided with clearance ribs, insert holes and insert columns; heat treatment is conducted on the cellular ceramic-metal composite wear-resisting insert, the outer surfaces of the insert holes and the insert columns are coated with fireproof coatings, and the insert columns of the wear-resisting insert are inserted into the insert holes in pair, so that the wear-resisting inserts are firmly spliced; the cellular ceramic-metal composite wear-resisting insert is placed in a vertical mill roller sand mould, molten tough metal is poured, after the molten tough metal is solidified completely, the composite vertical mill roller is formed, overall heat treatment is conducted on the composite vertical mill roller, and then the cellular ceramic-metal composite vertical mill roller is obtained. According to the method, the wear-resisting composite insert does not need an external clamp, it is only required that insert columns are inserted into the insert holes and can be firmly spliced.

The invention discloses a sodium ion battery anode material and a sodium iron battery comprising the anode material, and belongs to the technical field of energy source materials. The sodium ion battery anode material comprises a conductive additive and Na3-xM2LO6, wherein x is greater than or equal to 0 and smaller than 2; M is one or more of Fe, Co, Ni, Cu, Zn, Mg, V and Cr; L is one or more of Sb, Te, Nb, Bi and P. The preparation method comprises the steps of mixing sodium carbonate, M oxide and L oxide according to a stoichiometric proportion, ball-milling, calcining and ball-milling so as to obtain the sodium ion battery anode material. The sodium ion battery anode material has the advantages of high sodium storage capacity, good stability and excellent rate capability, and has extremely high energy density and power density; the assembled sodium iron battery has extremely good cycling stability, is green and clean, safe and environmentally friendly and low in cost, and is an extremely excellent electrochemical energy storage system; moreover, the preparation method of the anode material is extremely simple, and raw materials are low in price and easily available.

The invention discloses a shield tunnel segment structure and a connecting structure thereof. The shield tunnel segment structure comprises a segment body and is characterized in that the segment body is mainly composed of a steel plate layer, a concrete layer wrapping the steel plate layer, and steel mesh reinforcements which are located on the two sides of the steel plate layer correspondingly and embedded in the concrete layer; the lateral edges of the segment body are fixedly provided with metal connectors, the outer sides of the metal connectors are provided with grooves for containing water stops, and the water stops are installed inside the grooves; and an outer protecting layer is arranged on the outer side of the segment body, and the outer protecting layer is a polyurea layer combined on the outer side surface of the segment body. The connecting structure is composed of two adjacently arranged shield tunnel segment structures and a connecting part for connecting the two shield tunnel segment structures. A connecting steel plate is composed of a middle arc-shaped section and flat sections on two sides. The shield tunnel segment structure and the connecting structure thereof have the characteristics that thickness is small, strength is high and the connectors are not prone to damage; and the connector deformation control effect is good, the seam waterproof effect is good, durability is high, and repairing is convenient.

The present invention pertains to a triangular shank with multiple threaded sections essentially including a head, a shank and a drilling portion. Wherein the shank has two opposite threaded sections formed in triangular and a third threaded section spiraling on the drilling portion. The third threaded section with a planar flank assists in enlarging the drilling track and providing guidance for those two threaded sections to easily enter into the object so as to efficiently extrude the debris out of the object and retain remaining debris for a better fastening effect. Further the triangular configuration results in the less contact between the screw and the object in time of screwing, thus reducing the frictional resistance and obtaining high screwing speed.

The invention discloses a marine detection device convenient for sampling. A fixed collecting plate is welded to the inner side of a mounting pipe, an ascending pipe penetrates through the top end of the fixed collecting plate, an extraction block is placed on the inner side of the ascending pipe, an extraction electric push rod is connected to the top end of the extraction block, a connecting rope is slidably clamped to one end of the inner side of a storage cylinder, and a buoy is connected to one end of the connecting rope. The other end of the connecting rope is connected with a U-shaped clamping plate, and a sealing limiting block is clamped to the inner side of the sliding opening. Sea water is discharged into the storage cylinder through the water outlet pipe, the needle cylinder principle is utilized, the sea water stably enters the storage cylinder, meanwhile, the injection height of the sea water is limited, the situation that the sea water overflows due to the fact that the sea water is injected from the top end is avoided, the service life of the sea water storage device is prolonged, and the service life of the sea water storage device is prolonged. The water inlet is limited through the limiting spring and the sealing limiting block, seawater is prevented from spilling out when the storage barrel moves, and therefore the sealing effect of the storage barrel is guaranteed, internal parts are protected, and the parts are prevented from being soaked in the seawater.

A structure of a heat dissipation substrate of power LEDs and a device made by using the same overcomes drawbacks such as complex structure of power LEDs, strict manufacturing process, low production efficiency, high production cost, and unreliable product quality. The structure of the heat dissipation substrate includes a one-piece circuit board having a counterbore and metal lines thereon, wherein the counterbore is formed by a through hole and a blind hole communicating with each other. The through hole is smaller than the blind hole, and both of them share the same direction of axis. The heat sink has a one-piece terraced structure formed by a upper terrace and a lower terrace; the heat sink matches the counterbore to form a firm fit.

The invention discloses a high-performance diamond saw blade and a preparation method thereof. A tool bit of the high-performance diamond saw blade comprises a first cutting area and a second cuttingarea. The first cutting area comprises, by weight part, 8-14 parts of polycrystalline diamond particles, 48-55 parts of iron powder, 25-32 parts of copper powder, 4-6 parts of zinc powder, 2-3 parts of tin powder, 1.5-2.5 parts of nickel powder, 2-3 parts of cobalt powder, 1.5-2 parts of manganese powder, 2.5-5 parts of tungsten carbide and titanium carbide mixture powder and 0.4-0.7 part of lanthanum pentanickel powder. The second cutting area comprises, by weight part, 10-16 parts of polycrystalline diamond and boron carbide mixture particles, 45-50 parts of iron powder, 27-33 parts of copper powder, 4-6 parts of zinc powder, 2-3 parts of tin powder, 1.5-2.5 parts of nickel powder, 2-3 parts of cobalt powder, 1.5-2 parts of manganese powder, 2.5-4 parts of titanium carbide powder and 0.4-0.7 part of lanthanum pentanickel powder. The high-performance diamond saw blade is excellent in comprehensive performance.

The invention relates to the field of toys, in particular to a magnet built-in wood building block and a processing method thereof. A building block body is formed by integrally buckling and bonding two building sub-blocks, grooves are formed in the buckling faces of the building sub-blocks, two grooves form a cavity after two building sub-blocks are buckled, and a small magnet is arranged in the cavity. The processing method comprises the steps that 1, material cutting is performed, wood raw materials are cut into wood strips; 2, grooving is performed, namely two identical wood strips are taken, and then a plurality of grooves are formed in the predetermined positions of the buckling faces through drilling; 3, the small magnets are embedded into the wood strips and are completely wrapped by bag bodies, the wood strips are coated with an adhesive, the bag bodies are embedded into the grooves of the wood strips, and finally every two building sub-blocks are buckled; 4, building block bodies are manufactured, and the wood strips are cut into building block bodies; 5, finally edges are processed, and outer surfaces are decorated. The magnet built-in wood building block is simple in structure and good in playability and is suitable for large-scale industrial processing and production.

The invention relates to the field of rhinestone processing, in particular to a tooling plate for arrangement and plastic suction molding of rhinestones. A plurality of embedding holes used for embedding the rhinestones are formed in the tooling plate. The bottoms of the embedding holes communicate with vent holes. The tooling plate is characterized in that the plate surface of the tooling plate comprises first tooling plate surface parts and second tooling plate surface parts; the first tooling plate surface parts are higher than the second tooling plate surface parts; the first tooling plate surface parts are formed among the first tooling plate surface parts; the embedding holes extend downwards from the first tooling plate surface parts to the positions below the second tooling plate surface parts; the second tooling plate surface parts surround the embedding holes and communicate with the embedding holes. In the plastic suction molding process, a plastic suction material wraps the upper pointed end part of each rhinestone and also wraps the lower portion below the waist line in the lower pointed end part of the rhinestone. By means of the design of the structure, it is guaranteed that the plastic suction material completely wraps the portions, needing to be wrapped, of each rhinestone; the processing efficiency is improved while the processing quality is guaranteed.

The invention discloses a magnetic tool, which comprises a magnetic body, wherein the magnetic body is embedded into a shielded casing with an opening in the bottom end; a pull rod is connected with the top of the shielded casing; the diameter of the opening in the bottom end of the shielded is smaller than that of the bottom end of the magnetic body. According to the invention, the magnetic field of the magnetic body is shielded except that of the bottom end, so that the magnetic body can effectively, completely and quickly attract a great amount of scraps, drosses, and other small iron castings in a narrow and small space such as a deep hole or a groove with a strong force; the reliability is good; moreover, the magnetic body can be reliably and stably embedded into the shielded casing, so that the structural strength is high, the magnetic body cannot fall off from the shielded body however big the attraction force between the magnetic force and the metal part is, the probability of failures is low, the practicability is strong, and the service life is long.

The invention discloses a processing method of an emery cutter, comprising the following steps: (1) welding and fixing an emery tool bit onto a cutter body to prepare the emery cutter; and (2) putting the emery cutter into a magnetic field for magnetizing process. The magnetic induction intensity of the magnetic field is 1000-2000 Gauss. The invention has important meaning, can relate to the fields, such as petroleum drilling, tunneling, stone processing and the like and has the effect of lowering equipment loss, prolonging service life, speeding up, improving efficiency and lowering cost.

The invention relates to a dual-ion capacitor battery. The dual-ion capacitor battery provided by the invention comprises a positive electrode, a negative electrode, a diaphragm and an electrolyte. Anactive material of the positive electrode is a carbon material. An electric double layer capacitor is formed on the surface of the negative electrode. According to the dual-ion capacitor battery provided by the invention, the problem that the coulombic efficiency and cycling stability are low is effectively solved. Compared with a dual-ion battery and a supercapacitor, the dual-ion capacitor battery has the advantage that the energy density is higher.

The invention belongs to the field of packaged product transportation and logistics delivery equipment and provides an oblique inserting type metal cover bottom transfer box with double sensing RFIDs and a high-strength crash pad. The oblique inserting type metal cover bottom transfer box is a turnover box (short for transfer box) with transportation and packaging characteristics, operability and the storage characteristic of containers and information sensing and storage positioning functions. The oblique inserting type metal cover bottom transfer box is mainly composed of a metal box bottom, a metal box cover, a plastic basket body in a rectangular truncated pyramid shape, a middle transverse partition plate, the crash pad made of a high-strength plastic film or high-strength textile fabric, two RFID sensing units installed perpendicular to each other and other parts. The transfer box serves as a material carrier of informatization, has the characteristics of modularization, standardization and informatization and has great buffering capacity. The transfer box is applied within enterprises and applied to enterprises and electronic business distribution centers, electronic business distribution centers and express companies, express company outside-city long-distance transportation and inside-city short-distance transportation and all procedures of delivery standardization and universality of express deliverymen. Automatic transfer, stacking and vehicle loading and transporting are facilitated.

The invention provides a multi-roll-core lithium ion battery which comprises a shell and a pole core group arranged in the shell, the pole core group comprises N cylindrical roll cores, and N is a positive integer and is greater than or equal to 2. According to the pole core group in the multi-roll-core lithium ion battery provided by the invention, if a multi-roll-core parallel connection mode isadopted, the internal resistance of the battery can be reduced, the rate capability is improved, and if a series connection mode is adopted, the voltage and the capacity of the battery can be improved. The invention further provides a battery pack which comprises a shell and a battery array arranged in the shell, the battery array comprises a plurality of rows of battery packs, and each row of battery packs is formed by arranging and coupling the multi-roll-core lithium ion batteries through side surfaces. The single batteries are mutually supported and can be fixed and protected, and the shells of the single batteries are coated with frosted insulating materials, so that the adjacent shells can generate friction force in the direction perpendicular to the chassis, the single batteries are prevented from being mutually dislocated to damage the battery array, and a stabilizing effect is achieved.

A puck embedding at least one transmitter circuit, and a method for producing a puck embedding at least one transmitter circuit. To protect the electronics from displacement or damage, the puck employs a layered structure. The puck has a centrally located cavity, containing a carrier structure having a rigid shell, at least one transmitter circuit supported by the carrier structure, and a battery provided within the carrier structure. The battery is embedded in a first elastic material provided within the carrier structure. The carrier structure is embedded in a second elastic material provided within the centrally located cavity.

A device and method for delivering a plurality of securing elements or clips to a target region in a body. Further, the method and device deliver and place a plurality of clips to secure an implant to a target region. The device allows an operator to remotely control the delivery and placement of shape memory clips to effectively and precisely fasten the clips directly to the target region, or alternatively, to use the clips to secure the implant to the target region. Advantageously, the device allows for the application of the plurality of clips from within a lumen of a vessel.

The invention relates to a triangular support leg of a miniature drilling machine for a rock bolt of an overhead power transmission line. The triangular support leg comprises a triangular disc, disc nails, a plugging fixing clamp and a connecting ring, wherein the bottom surface of the triangular disc is provided with the disc nails, the triangular disc is provided with a through hole, the plugging fixing clamp penetrates through the through hole, the connecting ring is arranged above the triangular disc, the three edges of the triangular disc are respectively provided with a foldable plate, each foldable plate is provided with an auxiliary through hole, and auxiliary plugging fixing clamps penetrate through the auxiliary through holes. The triangular support leg has the advantages that the triangular support leg is mainly applied to a bracket of the miniature drilling machine for the rock bolts of various overhead power transmission lines, and the stable construction and drilling of the miniature drilling machine for a rock bolt foundation are guaranteed.

The invention provides a door-shaped nail pre-bender and guider for orthopedics ligament reconstruction. A front end of a handle I is provided with a pre-bending head; the pre-bending head is provided with a blind hole downwards with a diameter of 2.5mm and a depth of 20mm; the blind hole is matched with the diameter of the door-shaped nail in a clearance mode; a pre-bending groove is installed downwards besides the pre-bending head apart from the blind hole; the pre-bending groove is an opening groove with a width of 2.5mm; an inclined plane is installed under the pre-bending groove, wherein the included angle between the bottom surface and the inclined plane is 120 DEG, and a shear plane is formed by the inclined plane and the lower end of the opening groove; a door-shaped nail for orthopedics ligament reconstruction comprises a handle II whose front end is provided with a guiding hole; the guiding hole is provided with a guiding block; the middle of the guiding block is provided with double grooves which are matched with two sides of the door-shaped nail; the guiding block is assembled by two half blocks. Kirschner wires with a diameter of 2.5mm can be conveniently pre-bent into door shape with the door-shaped nail pre-bender, and then cut with a vice to obtain door-shaped nails; the door-shaped nail guider makes it easy to install door-shaped nails without bending the door-shaped nails and the door-shaped nails be firmly embedded in sclerotin.

The invention discloses a positioning protection device for nailing a PIN on a PCB (printed circuit board). The positioning protection device is characterized by comprising a body (1), a buffer layer (2) and an auxiliary device (3), the buffer layer (2) is arranged below the body (1), body lead-in grooves (101) are uniformly formed in the body (1), positioning grooves (102) are formed in the body lead-in grooves (101), the auxiliary device (3) comprises an auxiliary lead-in block (302), an auxiliary lead-in groove (301) is formed in the auxiliary lead-in block (302), and the diameter of the auxiliary lead-in block (302) is as same as that of each body lead-in groove (101). The positioning protection device is simple in structure and convenient to use, and PIN nailing efficiency can be effectively improved, so that drilling or gong plate precision is enhanced.

The present invention discloses a reinforcement layer and wearing layer one-step molding metal shielding mobile rubber jacketed flexible cable, belonging to the field of wire and cable manufacturing.The cable comprises a wearing layer, a reinforcement layer, a metal total shielding layer, an outer cable core and an inner cable core. The wearing layer comprises an outer layer of a wear-resisting sheath layer and an inner layer of a wear-resisting sheath layer, and the reinforcement layer is a mesh braiding layer inlaid between the outer layer of the wear-resisting sheath layer and the inner layer of the wear-resisting sheath layer. The defects are solved that a traditional cable conductor used for a rubbish derrick and a similar device is frequently moved and bent, easy to generate fracture of the conductor after being pulled, is not wear-resistant in the cable sheath, poor in crushing-resistant performance and poor in cable anti-interference performance and inhibition capacity of interference. The cable provided by the invention is good in high-strength tensile, wear-resistant, torsion-resistant, bend-resistant, oil-resistant, ultraviolet-proof, acid and alkali resistant, anti-corrosion, waterproof and not easy to break off the core wire and is not layered in the sheath.

The invention discloses an agricultural fungi plant culture material weeding machine. The agricultural fungi plant culture material weeding machine comprises a weeding machine body. An installing frame is installed below the weeding machine body. The bottom of a guide plate is provided with a scraper. The top of a protecting plate is provided with a liquid storage box. Two sides of the liquid storage box are provided with atomization sprayers through liquid guide pipes. The bottom of a screw rod is provided with a steering wheel. Two ends of a scraper blade are provided with cylindrical bulges. The agricultural fungi plant culture material weeding machine is scientific and rational in structure, and safe and convenient in use. Liquid in the liquid storage box is sprayed through the atomization sprayers, and effectively combined with dust particles in the air, a weight of the dust particles is increased, a function of falling dust is achieved, and the liquid can kill injurious insects in weeds, so cultivated crops are prevented from being damaged by the residual injurious insects. Through swinging of an adjusting plate, the liquid sprayed by the atomization sprayers can be effectively diffused better, a contact probability of liquid drops and the dust is increased, dedusting efficiency is improved, and the diffused liquid can achieve a function of killing the injurious insects better.

The invention relates to a clothes support bar capable of picking up clothes, comprising a bar body and a support head, the support head is arranged on the top of the bar body; the support head includes a first clamping claw, a second clamping claw and a connecting block, the first clamping claw The second clamping claw is symmetrically arranged on the left and right ends of the connecting block, and the first clamping claw is hinged to the connecting block, and the second clamping claw is hinged to the connecting block; the clothes support bar also includes a clamping device, The clamping device includes a handle, a pull rod and a fixed block. The handle is arranged in the middle of the rod body, and the handle is hinged with the rod body; one end of the pull rod is hinged with the handle, and the other end of the pull rod is hinged with the connecting block; the fixed block is fixed on the top of the rod body, The fixed block has a U-shaped structure with an opening facing upwards, one end of the fixed block is hinged to the first clamping claw, and the other end of the fixed block is hinged to the second clamping claw. The invention has the advantages of various functions and easy operation.

The invention relates to a preparation method of a carbon electrode material and the carbon electrode material. The preparation method of the carbon electrode material comprises the following steps: carbonizing pitch fibers, resin fibers or pitch resin composite fibers obtained by spinning and curing to obtain the carbon electrode material, and the carbon electrode material is amorphous carbon. The lithium ion battery has excellent first charge capacity and rapid discharge constant current ratio, excellent lithium ion and sodium ion rapid intercalation and deintercalation capability and excellent cycle capability.