50results about How to "Not bent" patented technology

The invention discloses a reinforced foam interlayer structure with fiber bundles and a preparation method by adopting sewing-thermal expansion curing molding. according to certain pin length d1, pin pitch d3 and row pitch d2, the fiber bundles are connected up and down and sewed on a preforming body in the depth direction of the preforming body so as to realize that an upper panel, a compressed core material and a lower panel are sewed together; subsequently, at temperature of between 60 and 220 DEG C, foam core expands to produce expansion pressure of between 0.05 and 0.7 MPa; after the foam core is cured for 30 and 300 minutes at expansion pressure, the foam core is cooled and demoulded and the reinforced foam interlayer structure with fiber bundles is obtained.

The invention discloses a resonant nano three-dimensional contact measuring head based on an optical fiber Bragg grating. The contact measuring head is characterized in that the structure of the measuring head is designed as follows: an integrated probe with a bulb is fixed in the central point of a suspension support in a T shape, support rods, in the same plane, on the suspension support are in radial distribution. A flexible cantilever and the center of the suspension support are fixed together, far ends of flexible arms, in the same plane, on the flexible cantilever are fixed on an outer connection ring, and a measuring probe is formed. Lower ends of FBG sensors arranged in a packaging layer are fixed at the far ends of the support rods of the suspension support. The upper ends of the FBG sensors are fixed at the edge of a piezoelectric ceramic vibration plate. The piezoelectric ceramic vibration plate is fixedly connected with a displacement output shaft of piezoelectric ceramic through screw threads. The piezoelectric ceramic is fixedly connected onto a bottom surface of a measuring head pedestal through screw threads. The contact measuring head is advantaged by high sensitivity, small measuring force, small microscopic surface active force influence, good long-term stability, good repeatability and low anisotropy.

The invention belongs to the technical field of petroleum production of petroleum wells, and particularly relates to a lifting device for a petroleum production vane pump of a petroleum well. The lifting device comprises a single-plate anchor, a pump straightener, a sand spinner, a vane pump body, a sand settler, a spline transmission barrel assembly, a high temperature gas injection valve, a sucker rod, a petroleum pipe, a wellbore sleeve, a Christmas tree, a driving head and a polish rod, wherein the wellbore sleeve is arranged below the ground surface; the single-plate anchor, the pump straightener, the sand spinner, the vane pump body, the sand settler, the spline transmission barrel assembly, the high temperature gas injection valve and the petroleum pipe which are connected in sequence from bottom to top are arranged in the wellbore sleeve; the sucker rod is inserted into the petroleum pipe, and the lower end of the sucker rod is connected with the high temperature gas injection valve; the Christmas tree is located above the ground surface; the polish rod is inserted into the Christmas tree, and is connected with the upper end of the sucker rod; the polish rod is connected with the driving head and can be driven by the driving head to rotate. The lifting device for the petroleum production vane pump of the petroleum well is applicable to thermal recovery of thin petroleum, thick petroleum and high pour point petroleum and does not have gas locking in a high temperature gas-containing well; for sand-containing well, a sand spinning filter is arranged below the pump, so that the use range is wide.

The invention belongs to the timber processing field and relates to a batch drying method for timbers. The method comprises the following steps of: house-entering treatment; primary heating treatment; primary exhausting treatment; secondary heating treatment; secondary exhausting treatment; circular drying and exhausting treatment; cooling treatment; and product detection. The drying method provided by the invention is safe, environmentally friendly and high in work efficiency. The dried timbers are uniform in humidity and high in drying degree, do not crack or deform, and the method achieves panel saving.

The invention provides an add-in board for door, space wall, inner wall, side sheet of cabinet and core material for add-in board. A sheet is arranged to the inside and outside surface of a honeycomb body, the sheet is cemented on the honeycomb body with a non-aqueous adhesive, and the non-aqueous adhesive can be applied on the nearly all the surface of the back of the sheet, for example using heat-fused adhesive as non-aqueous adhesive. The non-aqueous adhesive layer forms a moisture barrier.

The invention discloses an integrally-formed type modular wall of a fabricated integrated house and a construction method thereof. The integrally-formed type modular wall comprises an externally-installed plate, an internally-installed plate, two wall body frames and a filling layer. The externally-installed plate includes an exterior finish coat, an insulating fire-retardant coating and a first connecting piece, and the first connecting piece is arranged on the exterior finish coat and the insulating fire-retardant coating in an inserting mode. The internally-installed plate comprises an inner finish coat, a structure layer and a second connecting piece, and the second connecting piece is arranged on the inner finish coat and the structure layer in an inserting mode. The two wall body frames are separately arranged between two side edges of the externally-installed plate and the internally-installed plate. The filling layer is arranged between the two wall body frames, an inner wall decorative layer and an outer wall decorative layer are arranged on two side faces of the filling later, the inner wall decorative layer is composed of an insulation layer, a waterproof layer and a decorative layer, and the outer wall decorative layer is composed of an insulation layer, a waterproof layer and a self-adhered reflecting layer.

The invention relates to a method for producing white wash wood floor, wherein it comprises A, selecting floor blank material, that using the ones whose water content lower than 12%; B, shaping the blank that boring the blank into smooth plate, opening groove on it into semi-product; C, baking finish that baking finish on the surface; D, oil process that processing oil high-temperature wood fiber treatment; E, distantly reducing temperature, and checking water quality and packing the product. The invention can fully utilize the character of wood fiber cell, while the floor can absorb water quickly, without deformation.

The invention provides a fiber guide pipe with a far-infrared heating function. The pipe wall is composed of a cover 1, a heat-insulation layer 2, a reflection layer 3, a heating layer 4 and a lining layer 6 from outside to inside, wherein the heating layer 4 comprises carbon fiber heating wires 5, the heat-insulation layer is made of 100% hole-sealed PMI rigid foam, the heat deformation temperature is 180-240 DEG C, the specific strength and specific rigidity are high, and the heat-insulation layer plays a role in heat insulation, heat preservation and support of the fiber guide pipe. The heating layer is an electric heat conversion layer containing pure black material carbon fiber heating wires, and the lining layer is a macromolecule layer with a self-lubricating function and mainly plays a role in reducing friction between conveyed fibers and the guide pipe. The fiber guide pipe with the far-infrared heating function has the advantages of being fast in temperature rise, uniform in heat radiation, long in service life and the like, the temperature can be raised to 135 DEG C within 3 minutes, and the requirement for rapid heating of on-line formation continuously fed fibers of light-weight high-strength composite materials.

The invention discloses a garlic sprout harvesting machine and a garlic sprout harvesting method thereof. An existing garlic sprout harvesting device has great damage to garlic sprout cauloid. According to the garlic sprout harvesting machine and the garlic sprout harvesting method thereof, a feeding channel is arranged on one side of a frame, and a garlic sprout storage bag is arranged on the other side of the frame; two annular rail devices are arranged on one side of the feeding channel in an up-down aligned mode; a chain transmission mechanism in the upper annular track device is fixed with n first electric cylinders; a cylinder body of each first electric cylinder is fixed to one clamping mechanism, and a movable rod of each first electric cylinder is fixed to one garlic sprout cutting and picking mechanism; a chain of a chain transmission mechanism in the lower annular rail device is fixed to n stem protecting and leaf rotating mechanisms. Mature garlic sprouts are automatically selected to be picked, garlic leaves wrapping the garlic sprout are cut open through the garlic sprout cutting and picking mechanism, then the garlic sprout is picked, and the damage to the garlic leaves can be reduced to the minimum through the garlic leaf cutting and cutting mode; in the picking process, the stem protecting and leaf rotating mechanism protects the garlic sprout cauloids from being bent or cut; after picking, the stem protecting and leaf rotating mechanism enables the garlic leaves to cover a garlic sprout notch.

An ultralow-temp treating process for bimetal saw blade and hard alloy is composed of quenching, tempering, deep-cold treating and tempering steps. It can effectively improve the antiwear nature, and icnrease the impact and fatigue strength and toughness, and elongating service life.

The invention discloses a side bending prevention device of a truss welding production line. The side bending prevention device is located above a lower welding electrode on one side of an upper welding electrode and structurally characterized in that a trapezoid tank is formed in the bottom of a strip-shaped bending prevention template and inserted in two sides of an upper rotary rib and two sides of a web bar, the bending prevention template is flexibly connected to a bending prevention main plate located on the bending prevention template, the bending prevention main plate is fixed in an adjusting rack, and the upper end of the adjusting rack is fixed to a lifting rack; an adjusting mechanism for adjusting the position of the bending prevention main plate is arranged on the adjusting rack, the bending prevention main plate and the bending prevention template are equally long, two side faces at the two ends of the bending prevention main plate are provided with a pair of limiting plates respectively, the two pairs of the limiting plates are symmetrical in position, and the two ends of the bending prevention template are limited between the each pair of the limiting plates respectively. The side bending prevention device has the advantages of being novel in structure, convenient to adjust and reliable, saving production cost, lightening labor intensity, preventing rebar from being laterally bent, and ensuring that a welded truss is attractive and is not bent.

The invention provides a fixed structure of a carbon brush fixed sheet, which comprises a rivet, a heat radiation plate, a thick film, a carbon brush, a spring, a regulator bracket, a carbon brush fixed sheet and a carbon brush protective cover. The fixed structure provided by the invention is characterized in that a notch is formed on the regulator bracket; the lead of the carbon brush passes through the spring and is welded on the carbon brush fixed sheet; one side of the carbon brush fixed sheet is inserted into the notch of the regulator bracket; and the carbon brush fixed sheet is fixed on the regulator bracket through tin soldering. The fixed structure provided by the invention has the advantages that the carbon brush fixed sheet increases a fixed point on the regulator bracket; and the stress deformation and the bending resulted from the high-temperature environment for a long time and vibration of the carbon brush fixed sheet can be reduced and even avoided, thereby guaranteeing the normal working of an electricity generator.

The invention discloses a modular wall for an assembled integrated house, which comprises a steel structure frame and a filling layer filled in the steel structure frame; a pair of water pipe operation holes are arranged in the filling layer, and a first As for the aqueduct, the two ends of the first aqueduct respectively extend into a pair of water pipe operation holes; a pair of electric wire operation holes are arranged in the filling layer, and electric wires are embedded in the filling layer, and the two ends of the electric wires are respectively connected with matching sub-plugs and The female socket, the sub-plug and the female socket are respectively located in a pair of wire operation holes; the inner wall decorative layer and the outer wall decorative layer are arranged on both sides of the filling layer, and the inner wall decorative layer is composed of an insulation layer, a waterproof layer and a decorative layer. The exterior wall decoration layer is composed of insulation layer, waterproof layer and self-adhesive reflective layer. The modular wall integrates water pipes, wires and decorative layers, and the water guiding, circuit and decorative systems are easy to install. When the modular wall is used to splice walls, the efficiency is high, the structure is stable, the life of the house is long, and the construction cost is low.

The invention discloses a floor-type tap connecting device, which is characterized by comprising an embedded part, an upper connecting plate, a lower connecting plate, a hard water inlet pipe and a standpipe, wherein the side part of the embedded part is provided with two water inlets which are parallel to each other and coplanar, the top of the embedded part is provided with two water outlets which are parallel to each other and coplanar, the bottom surface of the upper connecting plate is provided with a small convex block, the bottom of the standpipe is provided with an external thread, the upper connecting plate and the lower connecting plate, after being in threaded connection with the bottom of the standpipe, are pressed against each other, a supporting point is formed due to the small convex block existing between the upper and lower connecting plates, and the upper and lower connecting plates are jointly locked on the embedded part through a socket head cap screw, so that triangular moments are formed so as to jointly form a stable lever supporting mechanism. Compared with the prior art, the floor-type tap connecting device disclosed by the invention has the advantage that a large supporting force is formed by using extremely small triangular moments, so that a stable effect is achieved; water paths are connected by using a hard tube, so that the floor-type tap connecting device is not bent and deformed, resists high pressure, resists expansion caused by heat and contraction caused by cold, does not burst, and has a steady flow; the device is universal and adjustable in installation angle; the floor-type tap connecting device is simple, convenient and rapid in installation.

The invention discloses a multi-stage large-flow sliding vane pump. The multi-stage large-flow sliding vane pump is used for conveying various grease and chemical media. The multi-stage large-flow sliding vane pump mainly comprises a pump body, stators, rotors, sliding vanes, a shaft, pump covers, conical roller bearings and the like. The multi-stage large-flow sliding vane pump is characterized in that the two stators are coaxial and installed on the inner wall of the pump body with 1800 phase difference; the two rotors are installed on the shaft coaxially; double suction and double discharging are achieved, and the flow of the sliding vane pump is doubled; thrust plates, the stators, the rotors and the sliding vanes work in an cooperation mode to form two axially symmetrical sealed working cavities; two acting force in the opposite directions produced by the media conveyed by the sealed working cavities can be mutually offset, and medium pulsation is stable; the shaft is even in stress and does not bend, and the load of the conical roller bearings is reduced, so that the service life of the shaft and the conical roller bearings is prolonged; meanwhile, noise and vibration produced in the operation process of the pump are reduced. According to the multi-stage large-flow sliding vane pump, all the stators, the rotors, the sliding vanes and other core components are standard components, so that machining and maintenance are easy and the manufacturing cost is low.

The invention relates to a self-reflection LED T8 straight tube lamp, which comprises a lamp tube, a lamp tube drive power supply, a first lamp tube end cover and a second lamp tube end cover installed at both ends of the lamp tube, and a light-transmitting cover is arranged on the lamp tube. A first conductive copper piece is provided on the end cover of the first lamp tube, and a second conductive copper piece is provided on the end cover of the second lamp tube; a reflective alloy plate is provided inside the lamp tube, and an FPC circuit is installed on the reflective alloy plate board, the LED light source is mounted on the FPC circuit board, and the first conductive pad and the second conductive pad are arranged on the FPC circuit board; The copper parts are connected, and the other end is electrically connected to the first conductive pad on the FPC circuit board, and the lamp tube driving power is placed in the first lamp tube end cover; the second conductive pad on the FPC circuit board is connected to the second The second conductive copper piece on the end cap of the lamp tube is connected. Through the invention, various performances of the product are further improved, the production cost is reduced, and energy-saving and environment-friendly green lighting is realized.

The invention discloses an intercepting flashboard made of heat-resistant steel. The heat-resistant steel comprises the following elements in percentage by mass: 15-30% of Cr, 65-81% of Ni, 0.15-0.25% of C, 0.001-0.03% of S, 0.2-1.5% of Si, 0.001-0.05% of P, 0.5-1.0% of Mn, 0.6-0.9% of Mo, 0.2-0.4% of V and 0.5% of Cu. The thickness of the upper part of the intercepting flashboard is more than that of the lower part, and the surface is inclined. The intercepting flashboard can resist high temperature up to more than 1200 DEG C and has a low swell factor (18.0*10-6 / DEG C). Because the special upper part of the intercepting flashboard is thicker than the lower part and the surface is inclined, the flashboard can be ensured not to bend, deform and break when the environment changes at normal temperature and high temperature.

The invention discloses an aluminum pulp composition of a crystal silicon solar cell and a preparation method thereof, wherein an aluminum pulp is prepared by the following compositions in percentage by weight: 50-85 percent of spherical aluminum powder, 2-15 percent of lead-free glass adhesive, 10-35 percent of organic carrier and 0.5-6 percent of metal / nonmetal power additive. The prepared aluminum pulp is used for a single crystal silicon solar cell, can enable warpage of a silicon wafer to be small, and aluminum films are dense and uniform, have no aluminum pills, do not bulb and have strong adhesion force and high photoelectric conversion efficiency.

The invention discloses a quarry stone building material decorating plate. The decorating plate consists of the following components in percentage by weight: 48 to 60 percent of alpha-type high-strength gypsum powder, 6 to 8 percent of quartz sand, 6 to 9 percent of vermiculite grains, 0.8 to 1.5 percent of toning powder, 2.8 to 5 percent of glass fiber, 2.5 to 3.5 percent of acrylic polymer emulsion, 1.9 to 2.5 percent of galvanized round steel and 20 to 28 percent of clear water. The decorating plate has the characteristics of high strength, shock resistance, maximal breaking load of up to 1,800N, high flexibility, capacity of being made into various sizes, shapes and design models to be utilized in a building decoration project, high density, light weight, capacity of reducing main building weight and component load, water absorption rate within 25 percent, capacity of protecting moisture when used in a place filled with moisture, adoption of pollution-free environmental-friendly raw materials, no odor, no radioactive nuclide and capacity of regeneration and utilization, and belongs to an environmental-friendly material.

The invention discloses a capillary throttling structure for a liquid helium temperature zone, which comprises semi-circular cover plates, a retractable bellows and a capillary structure. The semi-circular cover plates can be combined in any two, and are fixed on the retractable bellows through clamping grooves; and the semi-circular cover plates can be rotated. The retractable bellows adjusts thedegree of expansion and contraction of the bellows by means of bolts fixed to the flange face. The capillary is coiled and placed in the retractable bellows, and the inlet and the outlet of the capillary extend out of small holes in the side wall surfaces of the semi-circular cover plates. The capillary throttling structure for the liquid helium temperature zone has the advantages of simple structure, compactness, high reliability, low blockage possibility of throttling components, and easy processing.

The invention relates to building formworks, and particularly discloses a micro-foam double-machine co-extrusion three-layer square-grid building formwork which comprises a base plate. Hollow structures are arranged in the base plate, glass fiber layers and white flame-retardant plastic layers are sequentially arranged on two sides of the base plate from the inside to the outside, arc-shaped protrusions are arranged on the tops of the white flame-retardant plastic layers, white heat dissipation paint layers are sprayed on the outer side surfaces of the white flame-retardant plastic layers, twoinsertion structures are arranged on the two sides of the base plate, a square connecting lug is arranged on one of the insertion structures, a square connecting block is arranged on the other insertion structure, circular through holes are formed in the center of the square connecting lug and the center of the square connecting block, and a circular connecting rod is inserted in the circular through hole in the square connecting block; two sealing components are arranged at two ends of the base plate, and pins which can be inserted in the hollow structures are arranged on the sides of the two sealing components. The micro-foam double-machine co-extrusion three-layer square-grid building formwork has the advantages that mud can be prevented from flowing into the hollow structures, the difficulty in connection between building formworks can be lowered, the heat dissipation speeds can be increased, the fireproof ability can be enhanced, and the micro-foam double-machine co-extrusion three-layer square-grid building formwork can be prevented from being bent when loaded.

The embodiment of the invention relates to the technical field of medical treatment, and discloses an electrode wire threading device and method. The method includes the steps that in the wire threading process of the electrode wire threading device, a processor can transmit a control signal to a stepping motor arranged for the processor, and the stepping motor is controlled to drive a row clamp with a clamped electrode wire to move in the direction of a silica tube clamp with a clamped silica tube; and in the moving process of the row clamp, the length of the portion, entering the silica tube, of the electrode wire is detected, when it is judged that the length is larger than or equal to the preset length, the row clamp stops moving, and therefore electrode wire threading operation can be automatically completed. By means of the electrode wire threading device, it can be guaranteed that wire threading operation can be automatically completed on the premise that the electrode wire is not bent in the wire threading process, and the wire threading efficiency of the electrode wire can be improved accordingly.

The invention discloses a production and preparation method of luminescent fiber anti-counterfeiting mark fabric. The method adopts a spinning mechanism, wherein the spinning mechanism comprises a support, an embroidery machine body, a support rod, a pay-off roller and a servo motor. Through mutual cooperation of the spinning mechanism, a presser foot mechanism and a pay-off mechanism, productionequipment of the luminescent fiber anti-counterfeiting mark fabric is achieved, a presser foot plate is driven by the motor and a belt to rotate by 360 degrees or jump up and down, a yarn supply device can be controlled by a computer, the yarn supply length is preset, then through motor control and rocker induction, intelligent thread feeding and intelligent thread take-up are achieved, free take-up and pay-off are achieved, breakage caused by manual take-up and pay-off is avoided, during work, Z-shaped movement of the presser foot plate and sewing threads is achieved, thread trampling can beeffectively prevented, it is guaranteed that the sewing threads are straight and not bent, a rubber sleeve head is arranged at the contact position of a presser foot sleeve head and cloth, and the cloth is flattened and not liable to be scratched.

The die forging process of producing beryllium bronze and aluminum bronze alloy anti-explosive tool includes the following steps; smelting the alloy with proper materials at 1080-1120 deg.c, casting with the molten alloy to form casting blank, heating the casting blank for the second time at 770-790 deg.c, taking out the blank and delaying 5-10 sec to make its temperature lower to 690-710 deg.c and rolling pressing via setting the blank into die preheated to 280-320 deg.c. The die forged product thus produced has no bending, no deformation, high density and long service life.

The invention relates to a high-strength composite stainless steel flagpole and a welding method thereof. Made of a high-strength stainless steel composite pipe and processed through a special welding process, the high-strength stainless steel flagpole is characterized by comprising a stainless steel composite pipe body 1, a stainless steel composite pipe Q235-innerlayer cold-rolled precision welding pipe 2 and a stainless steel composite pipe outer-layer stainless steel thin-walled pipe 3, and the high-strength stainless steel flagpole is manufactured by cold drawing in a tungsten steel mold via a cold-drawn pipe machine. The high-strength composite stainless steel flagpole and the welding method thereof are further characterized in that the high-strength composite stainless steel flagpole is welded and processed through the special welding process. The high-strength composite stainless steel flagpole and the welding method thereof have the advantages that manufacturing cost can be lowered, bending resistance can be greatly improved, and the flagpole can be kept durable and free of deformation, curves and fracture.

The present invention relates to a belt cooling fixture for welding a large-section aluminum conductor cable. The belt cooling fixture comprises an upper fixture and a lower fixture which are respectively provided with a semi-circular arc-shaped groove and are mutually cooperated. The belt cooling fixture is characterized in that: the upper fixture is divided into a left part and a right part withthe same structure; the upper fixture and the lower fixture respectively have a hollow structure to form an upper cooling channel and a lower cooling channel respectively; the positions of the uppercooling channel and the lower cooling channel extending out of the corresponding fixture body are connected with a water channel taking pipe to form an upper water inlet, an upper water outlet, a lower water inlet and a lower water outlet respectively; the upper water inlet, the upper water outlet, the lower water inlet and the lower water outlet are communicated with each other through a rubber hose and connected with an external circulating water pump to form an integral circulating water path; a forming groove is arranged in a middle portion of the lower fixture; and the depth of the forming groove is larger than the depth of the semi-circular arc-shaped groove by 3 to 5 mm, and the width is 30 to 40 mm. According to the technical scheme of the present invention, the water-cooling design of the curved surface is used, the temperature is lowered fast, and the design of the forming groove is convenient for the cable centering and subsequent welding work.