35results about How to "Improved heat decay performance" patented technology

The invention relates to a braking pad, in particular to a vibration-damping, denoising and yaw low-speed braking pad for a yaw braking device of a wind generating set and a fabrication method of the braking pad. The vibration-damping, denoising and yaw low-speed braking pad comprises a steel backing and an abrasive layer attached to the steel backing, wherein the abrasive layer is fabricated by taking PTS (Phenolic Thermospheres) suspension method phenolic resin as a gluing agent, taking graphite, tin sulfide and copper sulfide as a lubricant, taking antimony trisulfide, zirconium silicate, silicon carbide and silicon dioxide as an abradant, taking potassium titanate whiskers, ceramic fibers, aramid fibers, carbon fibers, steel fibers and copper fibers as reinforced fibers, taking calcium carbonate, mica, vermiculite and foam ferrous powder as an inorganic filler, and taking cashew nut shell oil friction powder and rubber powder as an organic filler according to a wet method pressing technology. The braking pad has the advantages that component percentages of a friction material and a processing technology are reasonable; the braking sensitivity is high; the braking vibration is small; the friction noise is low; and the braking pad is provided with a pad abrasion alarm line.

The invention discloses an emergent brake device for a vehicle; left and right two brake frames are arranged in a brake clamp of the brake device, wherein the brake frames comprise a first cross bar, a first vertical rod, two brake rods and two brake pieces; one end of the first cross bar is fixedly connected to a brake block; the center of the first vertical rod is vertically connected to the other end of the first cross bar; one ends of the two brake rods are fixedly connected to one end of the first vertical rod; the two brake pieces are respectively and correspondingly fixed at the other ends of the two brake rods; and the brake pieces are perpendicular to the corresponding brake rods. Through the arrangement of the brake frames in the emergent brake device for the vehicle, when the vehicle is emergently braked, if one of the brake pieces is failed, the friction brake of the rest brake piece still can be used, the safety of the vehicle is improved; and meanwhile, the use level of brake oil can be decreased, and the energy is saved.

The invention relates to a ceramic saloon car brake pad which comprises the following ingredient components: modified phenolic resin, ceramic fiber, gelatin-spraying aluminum silicate fiber, aramid fiber, apocynum venetum fiber, red copper fiber, graphite, potassium hexatitanate whisker and BaSO4, wherein before being used, apocynum venetum needs to be subjected to modification as follows: the apocynum venetum fiber soaked by water is put in a NaOH solution for alkali treatment, then the apocynum venetum fiber subjected to alkali treatment is put in a high-pressure container for pressure maintaining treatment, and finally, fire retardant treatment is carried out on the surface of the apocynum venetum fiber. The invention also provides a preparation method of the ceramic saloon car brake pad. The apocynum venetum fiber doped saloon car brake pad has the advantages of stable frictional factor, high temperature resistance, small antithesis abrasion, good abrasive resistance and corrosion resistance, small heat-fading property, small noise, good comfortableness, environmental friendliness, thereby being an ideal substitute material of an asbestos-free organic based brake pad.

The invention discloses a plastic bucket conveying robot. The robot comprises a working table, a base and two telescopic structures; a telescopic stand column is arranged on the upper surface of the working table, a fixed column is arranged on the upper end face of the stand column, a beam sleeve with one end provided with a punched hole is arranged outside the fixed column in a sleeving mode, a beam can rotate around the fixed column, two grabbing plates are arranged on the lower end face of the beam in the length direction in a spaced mode, and a material box is arranged below the beam; multiple driving wheels are arranged on the lower end face of the base; the telescopic structures are arranged between the base and the working table in the length direction of the base. The plastic bucket conveying robot can grab a plastic bucket, grabbing is stable, walking in the conveying process is stable, and the height is adjustable.

The invention discloses a novel rare earth compound type brake pad. The novel rare earth compound type brake pad comprises, by weight, 14-18% of modified phenolic resin, 25-30% of fiber materials, 25-35% of filling materials and 25-35% of rear earth materials, wherein the rear earth materials are composed of one or more kinds of lanthanum oxide, cerium oxide and praseodymium oxide, and the fiber materials are composed of one or more kinds of mineral fibers, glass fibers and paper fibers. The invention further discloses a preparation method of the novel rare earth compound type brake pad. The novel rare earth compound type brake pad is good in high-temperature resistance, excellent in abrasion resistance and large in impact resistance, and the preparation method is simple and low in cost.

The invention relates to multifunctional grinding dust granules for a car brake pad and a preparation method thereof. The method includes the following steps that 40-50 parts of grinding dust, 10-15 parts of NACF fibers, 10-15 parts of calcium carbonate whiskers, 10-15 parts of diatomaceous earth, 10-15 parts of cryolite, 15-20 parts of magnetite powder, 1-2 parts of antimony sulfide, 5-10 parts of barium sulfate, 3-5 parts of lithopone, 3-5 parts of crystalline flake graphite, 20-25 parts of potassium hexatitanate whiskers, 8-15 parts of F826 adhesives, 20-36 parts of spherical white vermiculite, 4-6 parts of nitrile butadiene rubber powder, 25-30 parts of aluminium silicate hollow spheres, 15-20 parts of sepiolite fibers, 8-15 parts of expanded graphite, 5-8 parts of tyre powder, 25-30 parts of carbon fibers and 15-20 parts of porous iron powder are mixed evenly, put into smelting equipment to be smelted and plastified, and smashed into the granules with the grain size being 8-20 meshes, so that the multifunctional grinding dust granules are obtained. The multifunctional grinding dust granules and the preparation method thereof have the advantages that the grinding dust can be recycled, the heat fading performance of a friction plate is improved, the working noise of the friction plate is low, the heat conductivity of the friction plate is good, the abrasion resistance of the friction plate is enhanced, and the service life of the brake pad is prolonged.

The invention discloses a highly abrasion resistant brake pad which comprises, by weight, 13-16% of modified phenolic resin, 28-33% of fiber materials, 45-55% of filling materials and 3-6% of Sinkiang white vermiculite, wherein the fiber materials are composed of one or more of mineral fibers, glass fibers and paper fibers. The invention further discloses a preparation method of the highly abrasion resistant brake pad. The highly abrasion resistant brake pad is stable in high-temperature friction coefficient and good in abrasion resistance, and the preparation method is simple, low in cost and suitable for Yunan, Guizhou and Sichuan regions and other regions with high mountains, steep roads and large brake loads.

The invention discloses an anti-oscillation plastic bucket conveying robot. The anti-oscillation plastic bucket conveying robot comprises a base, a working table and two telescopic structures, whereinsupporting columns are mounted on the four corners of the lower end surface of the base, and a driving wheel is arranged at the lower end of each supporting column; a telescopic standing column is arranged on the upper surface of the working table, a fixing column is arranged on the upper end surface of the standing column, a cross beam with a through hole formed in one end portion is arranged outside the fixing column in a sleeving mode, the cross beam can rotate around the fixing column, two grabbing plates are arranged on the lower end surface of the cross beam in the length direction at intervals, and a material box is arranged below the cross beam; each telescopic structure is arranged between the base and the working table in the length direction of the base, and each telescopic structure comprises a first rotating rod, a second rotating rod and an I-shaped connecting part. The anti-oscillation plastic bucket conveying robot can stably grab a plastic bucket and stably travel inthe conveying process, and external collision can be prevented.

The invention discloses an automotive disk brake with a good sealing performance. The automotive disk brake comprises a brake seat, a brake fluid guide tube is movably mounted at the upper end of thebrake seat, a pneumatic box is movably mounted at the upper end of the brake fluid guide pipe, a pneumatic piston is arranged in the brake fluid guide pipe, and a sealing pad for enhancing the sealingperformance is arranged between the pneumatic box and the pneumatic piston. A brake fluid flow guide tube is mounted at the upper end of the pneumatic box, a brake hydraulic cylinder is mounted at the upper end of the brake fluid flow guide tube, a pneumatic tube is movably mounted on one side of the pneumatic box, a cylinder is movably mounted on one side, far away from the pneumatic box, of thepneumatic tube, a pushing rod is fixedly mounted in the middle of one side, far away from the pneumatic tube, of the cylinder, and a brake pedal is fixedly mounted on one side, far away from the cylinder, of the pushing rod. In the use process, the automotive disk brake is more stable in brake, brake pressure is uniformly distributed, a brake arm can timely return after brake, a steel disc rubs with a brake pad to make a sound when the brake pad wears out, a driver is reminded to replace the brake pad, and the use process is optimized.

The invention provides a production technique for wheat straw fiber brake disc friction materials. The production technique for the wheat straw fiber brake disc friction materials comprises the steps that wheat straw is cut into broken straw with a first preset length after impurities are removed, and the broken straw is spin-dried after being boiled and degreased; the spin-dried broken straw with the first preset length is cut into broken straw with a second preset length smaller than the first preset length; and the broken straw with the second preset length is placed in a glue pool to be dipped with glue for 0.5-1.5 hours, auxiliary materials are stirred in a high-speed mixer for 20-40 minutes, the mixture is discharged and barreled after being completely molten, and thus the wheat straw fiber brake disc friction materials are produced. The production technique for the wheat straw fiber brake disc friction materials has the advantages that the produced brake disc friction materials are low in noise and good in performance.

The invention discloses a hydraulic disc brake lining and a preparation method thereof. The hydraulic disc brake lining comprises the following components of, by weight, 18-22 parts of steel fibers, 13-18 parts of modified phenolic resin, 2-5 parts of powdery nitrile rubber, 13-18 parts of graphite powder, 35-39 parts of filler, 1-4 parts of FKF composite mineral fiber, 1-4 parts of zinc stearate,3-7 parts of silicon carbide, 6-10 parts of zirconium diboride, 2-5 parts of molybdenum silicide and 2-6 parts of zirconium carbide. The preparation method comprises the following steps that S1, primary mixing and material proportioning and preparing are performed; S2, secondary mixing and material proportioning and preparing are performed; S3, pre-forming is performed; S4, hot-pressing forming is performed; S5, heat treatment is performed; and S6, a product subjected to heat treatment undergoes grinding and drilling, and then is prepared into a finished product through machining. The hydraulic disc brake lining has the advantages of being good in heat resistance, water resistance and high temperature heat fade resistance, and capable of improving the high-temperature brake friction coefficient; and the preparation method has the advantages of being high in preparation precision and more accurate in size.

The invention discloses a wear-resistant brake pad. The wear-resistant brake pad comprises, by weight, 13-16% of modified phenolic resin, 28-33% of fiber materials, 45-55% of filler materials and 1.5-3% of sulfide, wherein the sulfide is formed by one or more of antimony sulfide, molybdenum disulfide and zinc sulfide, and the fiber materials are formed by one or more of mineral fibers, glass fibers and paper fibers. The invention further discloses a preparation method of the wear-resistant brake pad. According to the wear-resistant brake pad and the preparation method of the wear-resistant brake pad, the wear-resistant brake pad is stable in high-temperature friction coefficient and good in wear resistance, the preparation method is simple, the cost is low, and the wear-resistant brake pad and the preparation method of the wear-resistant brake pad are applicable to mountainous and humid areas of the Central America and the like.

The invention discloses an emergent brake device for a vehicle; left and right two brake frames are arranged in a brake clamp of the brake device, wherein the brake frames comprise a first cross bar, a first vertical rod, two brake rods and two brake pieces; one end of the first cross bar is fixedly connected to a brake block; the center of the first vertical rod is vertically connected to the other end of the first cross bar; one ends of the two brake rods are fixedly connected to one end of the first vertical rod; the two brake pieces are respectively and correspondingly fixed at the other ends of the two brake rods; and the brake pieces are perpendicular to the corresponding brake rods. Through the arrangement of the brake frames in the emergent brake device for the vehicle, when the vehicle is emergently braked, if one of the brake pieces is failed, the friction brake of the rest brake piece still can be used, the safety of the vehicle is improved; and meanwhile, the use level of brake oil can be decreased, and the energy is saved.

The invention relates to a braking pad, in particular to a vibration-damping, denoising and yaw low-speed braking pad for a yaw braking device of a wind generating set and a fabrication method of the braking pad. The vibration-damping, denoising and yaw low-speed braking pad comprises a steel backing and an abrasive layer attached to the steel backing, wherein the abrasive layer is fabricated by taking PTS (Phenolic Thermospheres) suspension method phenolic resin as a gluing agent, taking graphite, tin sulfide and copper sulfide as a lubricant, taking antimony trisulfide, zirconium silicate, silicon carbide and silicon dioxide as an abradant, taking potassium titanate whiskers, ceramic fibers, aramid fibers, carbon fibers, steel fibers and copper fibers as reinforced fibers, taking calcium carbonate, mica, vermiculite and foam ferrous powder as an inorganic filler, and taking cashew nut shell oil friction powder and rubber powder as an organic filler according to a wet method pressing technology. The braking pad has the advantages that component percentages of a friction material and a processing technology are reasonable; the braking sensitivity is high; the braking vibration is small; the friction noise is low; and the braking pad is provided with a pad abrasion alarm line.

The invention discloses a novel brake pad. The novel brake pad is obtained through the steps of weighing raw materials, namely, modified phenolic resin, fiber type raw material, filling type material and novel nitrile rubber powder, wherein the novel nitrile rubber powder is composed of a nitrile rubber powder body, sulphur, accelerants DM and carbon black, the fiber type raw material is composed of one or more of mineral fiber, glass fiber, steel fiber and wood fiber, and the filling type material is composed of one or more of graphite, barite, frictional powder and bauxite; uniformly mixing the modified phenolic resin and the filling type material, adding the novel nitrile rubber powder and the fiber type raw material to be uniformly mixed into a mixture, sending the obtained mixture and a brake pad back plate coated with rubber into the pressing process, conducting cold pressing to form a finished blank, controlling the pressure intensity to be within the range of 21MPa to 26MPa, conducting hot pressing and forming, controlling the temperature to be within the range of 143 DEG C to 151 DEG C, and obtaining the novel brake pad. The novel brake pad is high in high temperature resistance, excellent in abrasion resistance and high in anti-impact strength, and the blank manufactured through cold pressing and preforming has high strength and can be conveniently transported.

A disclosed cement-containing asbestos-free brake disc comprises the raw materials in percent by weight: 14-18% of modified phenolic resin, 28-33% of a fiber material, 40-50% of a filling material and 3-9% of cement, wherein the fiber material is composed of one or more of mineral fiber, glass fiber and paper fiber, cement is composed of one or more of portland cement, ordinary portland cement, slag portland cement, portland-pozzolana cement, portland fly-ash cement, composite portland cement, medium-heat portland cement, low-heat portland slag cement and white portland cement. The invention also discloses a preparation method of the cement-containing asbestos-free brake disc. The cement-containing asbestos-free brake disc is high in impact strength and good in high-temperature wear resistance; and the preparation method of the cement-containing asbestos-free brake disc is simple and relatively low in cost.

The invention relates to a ceramic saloon car brake pad which comprises the following ingredient components: modified phenolic resin, ceramic fiber, gelatin-spraying aluminum silicate fiber, aramid fiber, apocynum venetum fiber, red copper fiber, graphite, potassium hexatitanate whisker and BaSO4, wherein before being used, apocynum venetum needs to be subjected to modification as follows: the apocynum venetum fiber soaked by water is put in a NaOH solution for alkali treatment, then the apocynum venetum fiber subjected to alkali treatment is put in a high-pressure container for pressure maintaining treatment, and finally, fire retardant treatment is carried out on the surface of the apocynum venetum fiber. The invention also provides a preparation method of the ceramic saloon car brake pad. The apocynum venetum fiber doped saloon car brake pad has the advantages of stable frictional factor, high temperature resistance, small antithesis abrasion, good abrasive resistance and corrosionresistance, small heat-fading property, small noise, good comfortableness, environmental friendliness, thereby being an ideal substitute material of an asbestos-free organic based brake pad.

The invention relates to a method of preparing an automobile brake pad by adopting basalt fiber. The method comprises the following steps: butadiene nitrile rubber modified phenolic resin, surface modified basalt superfine fiber, acicular wollastonite fiber and carbon fiber are added to a material mixing machine and are mixed; then crystalline flake graphite, artificial graphite particles, chromite powder, feldspar powder, dolomite powder, fluorite powder, calcium carbonate powder, mica, nano ZnO, butadiene nitrile rubber and wollastonite are sequentially added to the material mixing machine and mix is carried out; a mixture is placed in a brake pad mould, and hot pressing and demoulding are carried out; a hot pressed material after the demoulding is subjected to grading heat treatment; and a discharged brake pad is subjected to follow-up treatment and packing. The automobile brake pad prepared by the method has a stable friction coefficient and a low wear rate, and further has high heat resistance and heat-aging resistance.

The invention discloses a brake pad for a disc brake. The brake pad comprises a friction layer and a steel backing layer, the steel backing layer is positioned above the friction layer and adhered to the same through a metal binding agent, a braking face of the friction layer is provided with a plurality of arc grooves which are distributed transversely and penetrate through the friction layer, and skewed slots which are distributed obliquely, longitudinally and uniformly and lead to the edge of the friction layer are formed in the outer sides of the arc grooves on two sides. A layer of rhombus net grooves is graved on a face, fitting with the friction layer, of the steel backing layer. Two cylindrical bosses are symmetrically arranged on the upper surface of the steel backing layer, and the outer edges of the bosses are provided with asterisk-shaped reinforcing ribs. The brake pad for the disc brake has the advantages of vibration reduction, noise suppression, long service life, high stability, good heat effect, high safety, effectiveness in improvement of safety of the brake and good application prospect.