33results about How to "There will be no problem of breaking" patented technology

The invention discloses an automatic temperature-rising power transmission line system comprising a lead wire part, a temperature rising part and a ventilation part, wherein the inner part of the lead wire part is a hollow cavity; the hollow cavity is communicated with the ventilation part; the temperature rising part is fixedly arranged on the lead wire part; the temperature rising part comprises a heating body and two magnetizers which are mutually symmetrical; the heating body is provided with a through hole; the upper ends of the two magnetizers are hinged; convex magnetism-conducting strips are respectively arranged in the middles of the two magnetizers; after the two magnetizers are mutually contacted, a closed loop is formed by the convex magnetism-conducting strips and the two magnetizers; one of the magnetism-conducting strips is wound by a coil; one end of the coil is connected with a first double-metal sheet; and the other end of the coil is connected with the heating body. With the adoption of the structure, a condition of adhering ice and snow on a power transmission line can be prevented and the condition that the pressing force borne by the power transmission line is too large so that the power transmission line shakes and even is cracked can be avoided; and therefore, the normal work of the power transmission line is guaranteed.

The invention discloses a stirring head for friction stir welding capable of enhancing welding seam material mobility and a manufacturing method thereof and relates to the stirring head and the manufacturing method thereof. The problems of defects, such as ditches and holes formed in a welding seam by a material with relatively poor mobility are solved. A device is of the structure that a stirring needle is connected to a shaft shoulder of the stirring head; right-handed threads and a plane parallel to the axial line direction are machined on the side surface of the stirring needle; the central angle corresponding to an arc section truncated from the plane is 120 degrees. The method comprises the following steps of 1, determining the size of the stirring head; 2, determining the using length of the stirring needle; 3, forming an Archimedes spiral groove with the equation that rho is equal to b plus a theta in the shaft shoulder; 4, machining the right-handed threads and the plane on the side surface of the stirring needle; 5, fixing to-be-welded workpieces; 6, positioning the stirring head; 7, performing friction stir welding on the first to-be-welded workpiece and the second to-be-welded workpiece. The stirring head is applied to friction stir welding.

The invention discloses an integrated dual-layer spring cushion. The integrated dual-layer spring cushion comprises first cloth, second cloth, third cloth and multiple groups of springs, wherein multiple transverse seams are formed among the first cloth, the second cloth and the third cloth, the first cloth and the second cloth are mutually separated and folded to form multiple corresponding vertical seams, a plurality of first independent cloth bags are continuously formed between the third cloth and gaps between the adjacent vertical seams in the first cloth, and a plurality of second independent cloth bags are continuously formed between the third cloth and gaps between the adjacent vertical seams in the second cloth; and each group of springs comprises two springs correspondingly packaged in the first independent cloth bag and the second independent cloth bag in a lamination state. According to the integrated dual-layer spring cushion, a traditional structural form of a spring cushion of adhering through glue is abandoned, and the glue adhesion manner is not adopted, so that the problem of the traditional spring cushion that adhering joints are broken after long-term use is avoided, and the stability of the spring cushion is higher.

The invention relates to a hot winding solid corrugated pipe, and a sectional material and manufacturing method thereof. The sectional material of the hot winding solid corrugated pipe comprises a first sectional material and a second sectional material; the first sectional material comprises a supporting rib and a first hot coating layer; the first sectional material comprises a connecting strip,a first half wave crest strip and a second half wave crest strip; the second sectional material comprises a buckle plate and a second hot coating layer; a buckling groove is formed in the middle partof the second sectional material; and the shape and size of the buckling groove are matched with the shape and size of the outer wall of a small wave crest structure formed by splicing the first halfwave crest strip and the second half wave crest strip. The sectional material adopts the first sectional material and the second sectional material which are solid wall structures, and the sectionalmaterial can facilitate the cooling forming of a pipe, the production speed of the pipe is increased and the welding quality of the pipe can be improved. The solid corrugated pipe is of a solid wall structure, and is high in ring stiffness, good in impact resistance and destruction resistance, and excellent in ring flexibility. The manufacturing method of the corrugated pipe adopts hot winding tocompound all units together, the welding strength is high and the residual stress problem basically does not exist.

The invention provides a low-thermal-conductivity spinel refractory homogeneous brick as well as a preparation method and application thereof, and belongs to the technical field of refractory materials. The low-thermal-conductivity spinel refractory homogeneous brick provided by the invention is prepared from the following raw materials: magnesia particles, magnesia fine powder, magnesium aluminate spinel particles, light hollow spheres, additive micro powder and a binding agent. The low-thermal-conductivity spinel fire-resistant homogeneous brick provided by the invention is uniform in material, the hidden danger that weak parts are easy to appear in a composite structure formed by different materials is avoided, and the problem that the composite brick is broken in the use process is avoided. Meanwhile, the low-thermal-conductivity spinel refractory homogeneous brick provided by the invention takes a periclase-spinel system as a matrix, is stable in high-temperature performance, is resistant to corrosion of alkali metals, volatile salts and the like, and is suitable for severe environments of rotary cement kilns or lime calcining kilns.

The invention provides a manufacturing method of a carbon-silver composite target for a curved touch screen. The manufacturing method comprises the following steps: adding a silver salt, a dispersant and a stabilizer to a carbon material aqueous solution to prepare carbon material powder on the surface of which nanosilver particles are adsorbed; next, feeding the carbon material powder into silver paste to obtain high-temperature mixed paste, wherein based on the total mass of the carbon material powder and raw material silver, 0.3-45% of the carbon material powder and 55-99.7% of the raw material silver are put; finally, molding the high-temperature mixed paste to obtain the carbon-silver composite target, wherein the carbon material is made from carbon nanotubes, graphene, or a mixture containing the carbon nanotubes and the graphene. The carbon-silver composite target can be used for preparing the curved touch screen having the excellent buckling resistance; the manufactured curved touch screen is convenient to transport; a favorable condition is created for batch production of the large-size touch screens.

The invention discloses a novel sound absorption panel structure which comprises an outer plate, a first keel support and a second keel support. A sound insulation plate is fixedly connected with theinner wall of the outer plate. An inner layer plate is fixedly connected with the inner wall of the sound insulation plate. A circular groove is formed in the inner wall of the outer plate. A first limiting groove is formed in one side of the inner wall of the inner layer plate. A second limiting groove parallel to the first limiting groove is formed in the other side of the inner wall of the inner layer plate. The first keel support is connected with the second limiting groove through a key groove. The second keel support is connected with the first limiting groove through a key groove. The exterior of the first keel support and the exterior of the second keel support are filled with silencing cotton. The novel sound absorption panel structure is reasonable in structure; the keel structures for long-lasting fixing are installed in the novel sound absorption panel structure; the upwarp and breakage problems of a panel can not appear after long-term use; due to the dual-layer panel design, the product quality can be greatly improved, and the sound absorption effect is better facilitated.

The invention discloses a material lifting device. The material lifting device comprises a bottom plate, a bearing assembly, a driving mechanism, a positioning mechanism, one or more elastic buffer assemblies, one or more sliding rods, wheels, and a plurality of support assemblies, wherein the bearing assembly comprises a bearing plate which is positioned above the bottom plate and is used for bearing materials; the driving mechanism is connected with the bearing plate to drive the bearing plate to move up and down; the positioning mechanism is used for locking the driving mechanism when the bearing plate moves to a preset height; the elastic buffer assemblies are arranged on the bottom plate and face the bottom of the bearing plate; the sliding rods are vertically fixed to the bottom plate and are sleeved with sliding sleeves capable of sliding, and the sliding sleeves are fixedly connected with the bearing plate; the wheels are arranged at the bottom of the bottom plate; the plurality of support assemblies comprise feet which can move between an extended position and a retracted position; and the feet contact the ground when in the extended position, and the feet are lifted off the ground when in the retracted position such that the material lifting device can be supported on the ground only by the wheels. According to the material lifting device, the problem of poor stability and safety of a traditional steel cable pulley type material lifter is solved.

The invention belongs to the technical field of copper-clad steel wire, and specifically relates to a high-flexibility copper-clad steel wire. The high-flexibility copper-clad steel wire comprises a low carbon steel layer, a pure iron layer, a copper plating layer, outer arc-shaped bending plates and inner arc-shaped bending plates; the pure iron layer is arranged at the outer part of the low carbon steel layer and wraps the low carbon steel layer; four outer arc-shaped bending plates which are prepared from 304 stainless steel are uniformly arranged in the pure iron layer in the circumference direction; the copper plating layer is arranged at the outer part of the pure iron layer and wraps the pure iron layer; the low carbon steel layer contains 0.2 to 0.25% of carbon; the pure iron layer contains 0.02 to 0.03% of carbon content. According to the high-flexibility copper-clad steel wire, the outer arc-shaped bending plates and the inner arc-shaped bending plates are provided to improve the flexibility and the fatigue resistance; the social benefit and economic benefit are increased.

The invention discloses a riveted type fuel tank built-in connector, which comprises a bottom plate (1), at least three protruding parts (2) are uniformly arranged on the edge of the bottom plate (1), each The protrusions (2) are respectively provided with through holes (3), the protrusions (2) and the bottom plate (1) are integrally formed, and the edges of the through holes (3) are rounded , and a plurality of grooves (7) are vertically arranged on the inner wall of the through hole (3). The riveted fuel tank built-in connector provided by the present invention overcomes the problems of poor reliability and unsatisfactory firmness of the connection method between components and the inner wall of the fuel tank in the prior art.

The invention provides an automatic lifting rainwater well lid which comprises a jacking mechanism and a protection mechanism, the jacking mechanism comprises an air cylinder assembly, a connecting assembly is arranged on one side of the air cylinder assembly, a horizontal transmission assembly is arranged on the other side of the connecting assembly, the connecting assembly comprises a vertical plate and a fixing plate, the vertical plate is arranged below the fixing plate, and the horizontal transmission assembly is arranged below the vertical plate. When the horizontal transmission assembly operates, the horizontal transmission assembly pushes the connecting assembly to incline and drives the air cylinder assembly to incline, and relates to the technical field of hydraulic well lids, the connecting assembly and the horizontal transmission assembly are arranged on one side of the air cylinder assembly, and the connecting assembly comprises a vertical plate and a fixing plate; the horizontal transmission assembly pushes the connecting assembly to move, the vertical plate inclines, and therefore the inclination degree of the air cylinder assembly is changed, the acting force between the control assembly and the well lid body is small when the well lid is opened, the fluorescent screen is arranged on the surface wall of the control assembly, and therefore the position of the control assembly can be determined through the fluorescent screen even in a dark place.

The invention discloses a cutting device for wire and cable processing in the technical field of cutting for wire and cable processing, the cutting device comprises a clamping device and a cutting device, the clamping device comprises a revolution ring plate, and a plurality of mounting frames are fixedly arranged between the inner walls of the revolution ring plate around the axis of the revolution ring plate in an annular array mode; a fixed ring plate is fixedly arranged at the end, away from the revolution ring plate, of each mounting frame, and a hollow power bearing shaft is rotationally arranged on the inner wall of each fixed ring plate. A clamping chain wheel is coaxially and fixedly arranged on the outer wall of the power bearing shaft located on the side wall of the fixed annular plate. The cable cutting device solves the problems that in the cable cutting process, a pincerlike cutting tool is used for directly cutting a cable, due to the fact that the two sides of the cable are stressed, the end face of the cut cable is in a flat shape, a sharp shearing face can appear, and operators are extremely prone to being scratched in the later construction process; and the flat notch is not beneficial to direct butt joint of the annular cable connector, so that the working progress is influenced.

The invention relates to a fire water monitor body and a fire water monitor. The fire water monitor body comprises a water inlet base; a first worm and gear assembly and a second worm and gear assembly; a plurality of bent pipes which comprise a first bent pipe, a second bent pipe, a third bent pipe and a fourth bent pipe, wherein the first worm and gear assembly is installed on the water inlet base, the first bent pipe is installed on the first worm and gear assembly, the first bent pipe is connected with the second bent pipe through a first compensation pipe, the second bent pipe is connected with the third bent pipe, the third bent pipe is installed on the second worm and gear assembly, and the second compensation pipe is connected with the third bent pipe; and the second worm and gear assembly is connected with the fourth bent pipe. According to the invention, the interchangeability and maintainability of parts of a cannon body can be improved, the pressure loss of a cannon body runner is reduced, and the characteristics of high structural strength, small processing error, good assembly consistency and the like are achieved.

The knotting-preventing thread layer carding device for the textile machine comprises a bearing table and a tension frame, a carding box is installed at the top of the bearing table, the tension frame is installed at the top of the bearing table and located on the back face of the carding box, and limiting frames are installed on the two sides of the carding box; a lead frame is mounted on the inner side of the carding box; a supporting plate is mounted on the inner side of the carding box; the two sides of the interior of the carding box are each provided with two sets of installation frames, and the inner side of the carding box is provided with a plurality of sets of concentration frames. By mounting the concentration frame, knotting caused by yarn staggering can be effectively prevented, and the situation that normal processing is affected by knotting of the device is reduced to a great extent.

The invention discloses a mounting suite. The mounting suite comprises a sleeve and a resisting part, wherein the sleeve is provided with a guide channel; a first opening and a second opening are separately formed in the two ends of the sleeve; the hole diameter of the first opening is greater than that of the second opening; the inner diameter of the guide channel is gradually reduced from the first opening to the second opening; the two ends of the resisting part are separately equipped with a resisting part and a force applying part; and the biggest radial width of the resisting part is smaller than the hole diameter of the second opening. While the force applying part receives external force, the resisting part can resist against a C-shaped buckle ring arranged in the guide channel, sothat the C-shaped buckle ring is extruded by side walls of the guide channel; and the second opening leaves the sleeve to enter a mounting slot of a part to be mounted. The mounting suite can make auser quickly and conveniently mount the C-shaped buckle ring in the mounting slot of the part to be mounted.

The invention provides a low-thermal-conductivity refractory material, a low-thermal-conductivity refractory brick, a preparation method of the low-thermal-conductivity refractory brick and application, and belongs to the technical field of refractory materials. The low-thermal-conductivity refractory material is prepared from the following raw materials: magnesia particles, magnesia fine powder, magnesium aluminate spinel particles, light spinel particles, calcined spinel micro powder and a binding agent. The low-thermal-conductivity refractory brick prepared by taking the low-thermal-conductivity refractory material as a raw material is stable in high-temperature performance, resistant to corrosion of alkali metals, volatile salts and the like, and suitable for a severe environment of a rotary cement kiln or a rotary lime kiln. Meanwhile, the low-heat-conduction refractory brick avoids the problem of Cr<6+> public nuisance pollution of magnesite-chrome bricks, has the characteristics of high strength, low heat conduction, wear resistance, high-temperature load resistance and the like, can meet the requirements of high-temperature strength and mechanical flexibility in use of a cement rotary kiln or a lime rotary kiln, can effectively reduce the dead weight of a rotary kiln and the temperature of a barrel body, reduces te energy and equipment consumption, and improves the service life of the brick for the rotary kiln.

The invention discloses a compressed air atomizer connecting device. The device comprises an atomizer main machine 1, a connecting pipe 2 and an atomizing cup 3, wherein an atomizing nozzle 1-1 is formed in the atomizer main machine 1; the connecting pipe 2 comprises a joint; the atomizing nozzle 1-1 is formed in a body shell of the atomizer main machine 1; the joint comprises a first connector 2-1 and a second connector 2-2; the first connector 2-1 is connected with the atomizing nozzle 1-1; the second connector 2-2 is connected with the external equipment atomizing cup 3; and the atomizing nozzle 1-1 is connected with the first connector 2-1 in an internal wrapping manner. The device has the beneficial effects that the problem of atomizing nozzle rupture caused by inserting and pulling out the joint of the connecting pipe multiple times is solved, thus obviously prolonging the service lives of compressed air atomizers, especially the compressed air atomizers which have high frequency of use and are used in hospitals, and avoiding the problem that atomization inhalation can not be carried out because of atomizing nozzle rupture.

The invention relates to the technical field of power batteries, in particular to a power battery current collector tab shaping method and a battery thereof, and the shaping method comprises the following steps: S1, pressing; s2, primary shaping; s3, carrying out secondary shaping; s4, the current collector tab metal foil shaped in the step S3 is leveled horizontally; and S5, welding. By shaping the tabs, the tab foil is tightly attached to the battery cell body, an elastic body is formed between the welding area and the battery cell body, the stress of the current collector tab metal foil is changed from single stress to multi-layer simultaneous stress when the positive tab or the negative tab is bent, and the problem of breakage of the current collector tab metal foil under assembly and working conditions is effectively solved.