38results about How to "Strong manufacturing cost" patented technology

A manufacturing method for a composite hammer head of a hammer crusher includes the steps that firstly, a composite hammer head mould is manufactured; secondly, ceramic particles are fixed in the mould to manufacture a cavity of a use part of the hammer head; thirdly, mould assembling is conducted, wherein the mould is fixed to a mechanical vibration device, low-carbon and low-alloy steel is cast at first, then, high-chromium iron is cast, the mechanical vibration device is started while the high-chromium iron is cast, mechanical vibration enables the mould to be solidified, and the composite hammer head can be obtained through processing after the mould is cooled; fourthly, the composite hammer head is subjected to thermal treatment. According to the manufacturing method, the ceramic particles are adopted in the use part of the hammer head to reinforce the high-chromium iron composite materials, the low-carbon and low-alloy steel with good obdurability is adopted in an installation area, and the composite hammer head is manufactured in a bi-liquid compositing method; meanwhile, diffusion of elements in an interface of the liquid high-chromium iron and liquid low-carbon and low-alloy steel is accelerated through a mechanical vibration method, therefore, stable interface metallurgical bonding is achieved, high abrasive resistance and high obdurability of the composite hammer head are achieved, an abraded region is not prone to falling off, and the service life of the composite hammer head is long; in addition, by the adoption of the manufacturing method, the manufacturing process is simple, the manufacturing cost is low and the practicability is high.

The invention relates to a permanent magnet synchronous motor with high-power density, which belongs to the technical field of motors and solves the problem that the motor volume is large or the motor efficiency is decreased as pipelines are arranged in the motor to cool the motor with a liquid cooling method in the traditional multi-phase permanent magnet synchronous motor. The synchronous motor comprises a stator and a rotor. A gas gap is formed between the stator and the rotor, and the stator comprises an armature iron core and an armature winding. The gas gap side surface of the armature iron core is in a tooth groove structure. The interval arrangement of parallel teeth and trapezoidal teeth are formed on the gas gap side surface of the armature iron core by a plurality of parallel grooves. The gas gap side edges of the trapezoidal teeth are short edges, and the middle of the tooth root of each trapezoidal tooth is provided with an axial circular through hole. The armature winding is sheathed on the parallel teeth, and is formed by connecting single-layer coils in series or parallel, wherein the coil is square. The invention is suitable for permanent magnetic synchronous motors.

The invention relates to a nitrogen-self-generating storage system. The nitrogen-self-generating storage system comprises a storage space and is characterized in that the nitrogen-self-generating storage system further comprises an electronic sieve oxygen generation module; the electronic sieve oxygen generation module comprises an oxygen generation membrane and a gas outlet channel; the interiorof the storage space communicates with the oxygen generation membrane so as to adsorb oxygen in air in the storage space, and thus nitrogen in the air is left in the storage space; the electronic sieve oxygen generation module has the characteristics of adsorbing and collecting the oxygen in the air, and when being combined with any object with a storage space, the electronic sieve oxygen generation module can rapidly absorb and collect oxygen in the storage space and reserves nitrogen in the storage space for refreshment and preservation of food, valuables and the like; and the system can bewidely used for transportation and logistics, cultural relic storage, refrigerator preservation, food refreshment and quality preservation and the like.

The invention discloses a titanium boride-based coating composite material for aluminum electrolysis, a preparation method and a coating method thereof. The composite material consists of the following raw materials in percentage by weight: 55%-70% of titanium boride-oxide composite particles, 8%-15% of a carbon additive, 15%-30% of an organic resin adhesive and 0.5%-2% of a reinforcing agent. The coating method comprises the following steps: (1) putting a graphite base material into a coating mould, and then, pouring the obtained slurry into a mould; (2) curing the base material coated with the slurry at 15 DEG C-35 DEG C for 24h-48h, and then, curing the base material at 80 DEG C-150 DEG C for 12h-24h; and (3) putting the base material coated with the slurry into a graphite crucible, filling graphite carbon powder into the graphite crucible, and carbonizing and sintering the graphite crucible in an inert gas atmosphere or in vacuum, wherein the carbonizing and sintering temperature is 850-1050 DEG C, and the carbonizing and sintering time is 80-120 hours. The titanium boride-based coating composite material for aluminum electrolysis has high combination degree with a base and good tensile strength high up to 8-10MPa; and a coating structure is dense and has strong anti-scouring property.

The invention provides a technical scheme of a vibration measurement device for a laser interference rotor and a measurement method thereof. The scheme can simultaneously detect bending vibration and torsional vibration of a high-speed rotor based on beat frequency generated by laser Doppler effect, realizes frequency modulation measurement of a vibration signal under the condition of not using an expensive frequency shift device, and precisely distinguishes the directions of bending vibration and torsional vibration, has very strong anti-environment disturbance capability, and is low in manufacturing cost. The scheme belongs to non-contact measurement, the motion state of the to-be-measured rotor is free from interference, the accuracy in measurement is high, the response speed is fast, the dynamic range is wide, and the measurement can be performed at a further distance. The processing error of the rotor and measurement interference of torsional vibration and bending vibration from other vibration states are small.

The invention discloses a hinge capable of limiting the opening angle of a furniture door. The hinge capable of limiting the opening angle of the furniture door comprises a movable hinge cup, a hinge arm and elastic pieces, wherein the elastic piece are arranged on the movable hinge cup and act on the hinge arm, and the hinge arm is arranged on the movable hinge cup in a rotary mode through a supporting piece. The hinge capable of limiting the opening angle of the furniture door is characterized in that the hinge arm is made of metal, a cylinder part is integrally formed in the middle of the hinge arm, the supporting piece is arranged on the movable hinge cup in a rotary mode through a through hole in the cylinder part, action parts provided with arc surfaces are integrally formed on the two sides of the cylinder part, one end of each elastic piece acts on the corresponding action part, and a plastic limiting piece with certain elasticity is arranged on the inner side of the hinge arm and is supported by the movable hinge cup in a rotary mode through the hinge arm to limit the opening angle of the hinge. According to the hinge capable of limiting the opening angle of the furniture door, the plastic limiting piece is arranged on the hinge arm and is supported by the movable hinge cup by rotating the hinge arm, so that the opening angle of the hinge is limited, the closing angle of the hinge is not limited, and the practicability is high.

The invention relates to the field of thermal management of power batteries, and discloses a battery pack thermal management system based on a flat heat pipe. The system comprises a battery pack, a flat heat pipe, U-shaped graphite sheets and heat exchange plates; the battery pack comprises a plurality of square battery cells, and the U-shaped graphite sheets are in one-to-one correspondence withthe battery cells; the U-shaped graphite sheet at least coat the two opposite sides of the battery cells to form battery units which are attached to one another in order to form a battery module; theheat exchange plates are arranged in order at intervals, the battery module is arranged between the adjacent heat exchange plates in the length direction of the battery module, and the flat heat pipeis located between the battery module and the heat exchange plates. The present invention further discloses an operation method based on the battery pack thermal management system based on the flat heat pipe. The system is simple and compact in structure and small in occupied area, can effectively improve the uniformity of the temperature in the battery pack while perform efficient heat dissipation/heating of the battery pack.

The invention belongs to the technical field of rubber materials and relates to an anti-slip rubber composite for a sole and a preparation method of the anti-slip rubber composite. The anti-slip rubber composite for the sole is prepared from raw materials in parts by weight as follows: 90-110 parts of natural rubber, 40-50 parts of carbon black, 4-6 parts of zinc oxide, 1-3 parts of stearic acid,0.8-1.2 parts of antioxidant 4010NA, 0.8-1.2 parts of antioxidant RD, 1-3 parts of accelerator CZ, 1-3 parts of accelerator D and 1-3 parts of sulfur. The anti-slip rubber composite for the sole has the advantages of large friction coefficient, good wear resistance, improved walk stability, improved comfort and the like; the preparation method adopts a simple process and is convenient to operate.

The invention relates to an iron tailing-fly ash-polystyrene blended concrete wall material and a preparation method thereof, and belongs to the technical field of building material engineering, the iron tailing-fly ash-polystyrene blended concrete wall material comprises the following raw materials by weight: 45 parts to 60 parts of iron tailings, 12.4 parts to 15 parts of cement clinker, 4.2 parts to 5 parts of micro silica fume, 7 parts to 11.4 parts of machine-made sand, 16 parts to 23 parts of fly ash, 0.4 part to 0.6 part of polystyrene foam particles, 0.2 part to 0.4 part of polypropylene fiber, 20 parts to 30 parts of water, 0.8 part to 1.5 parts of a high-efficiency water reducing agent, 0.05 part to 0.2 part of hydroxypropyl methyl cellulose HPMC and 0.05 part to 0.2 part of redispersible latex powder. The material has the advantages that the cost is reduced, the environmental pollution is reduced, and the resource waste is avoided; the process is simple, operation is convenient, and installation is convenient; and the material has the advantages of light weight, fire resistance, sound insulation, moisture resistance, shock resistance, good durability, strong adhesiveness and the like.

The invention discloses a serial connection type power dividing ball joint which comprises more than two high-speed screw mechanisms, a static ring, a low-speed nut sleeve, low-speed balls, a dynamic ring, first support balls and guide balls, multiple groups of high-speed screw mechanisms work, feed nuts and the low-speed nut sleeve can only move along high-speed screws due to fixed connection, at the same time, the low-speed nut sleeve, the low-speed balls and the dynamic ring form a screw transmission pair, and the guide balls limit the low-speed nut sleeve to rotate, so that the low-speed nut sleeve converts linear movement into rotation of the dynamic ring, and accordingly, gearing-down transmission is realized. The device structure is simple, power dividing is performed through the multiple groups of high-speed screw mechanisms, not only are the transmission accuracy and bearing capacity high, but also the manufacturing cost is low, and the transmission efficiency is high; at the same time, the structure is compact, the size is small, the movement is almost pure rolling movement, the friction coefficient is very low, the hysteresis phenomenon in the transmission is reduced, and the repeated positioning accuracy of the robot joint is improved from the source.

The invention relates to a special sealing ring for filter plates with embedded filter cloth and a method for manufacturing the special sealing ring. A cotton rope loop of the special sealing ring replaces a rubber O-shaped sealing ring to be used as a filter cloth fixing material, a sealing ring is made of the filter cotton rope loop, and film material sleeves are arranged at two ends of the cotton rope loop and are oppositely connected with each other, so that the sealing ring with a cotton rope can be formed. The special sealing ring and the method have the advantages that the special sealing ring is good in sealing fixing performance; the special sealing ring not only can be used under the conditions of most acid, alkali and organic solvents, but also can be used within wide temperature ranges and accordingly is extremely high in adaptability; the special sealing ring is low in manufacturing cost, convenient to quickly mount and detach and free of environmental pollution, and detached materials of the special sealing ring are easy to scatter.

The invention relates to a storage and transportation device for stator punching, which includes a chassis and a chuck. The chassis is provided with 4 oblong holes, which are arranged in a cross shape. Column A, column B, and column C pass through the four oblong holes. and column D, the bottom surfaces of column A, column B, column C and column D are respectively provided with the heads of disc A, disc B, disc C and disc D, column A, column B, column C and column D Hook A, hook B, hook C and hook D are set respectively, hook A and hook D are connected by sling A, hook B and hook C are connected by sling B, and the diameter of the disc is larger than the width of the oblong hole , the diameter of column A, column B, column C and column D is smaller than the width of the oblong hole, and the edge of the chuck is evenly provided with 4 bar-shaped grooves A, 4 bar-shaped grooves B and gaps; the present invention has the advantages of convenient access, storage The utility model has the advantages of various types, convenient adjustment, simple structure and low cost.

The invention discloses a follow-up type bending machine clamp. The follow-up type bending machine clamp is characterized in that the clamp is composed of mechanical arms, a clamp body and a connecting mechanism between the mechanical arms and the clamp body; the connecting mechanism comprises two first connecting pieces which are symmetrically distributed; the first connecting pieces are hinged with the end parts of the mechanical arms through first rotating shafts; elongated slots are formed in the first connecting pieces; second rotating shafts are slidably connected into the elongated slots; meanwhile, springs abutting between the inner walls of the second rotating shafts are further arranged in the elongated slots; distance sensors are further arranged in the elongated slots; the second rotating shafts are movably connected to second connecting pieces in a penetrating mode; angle swing rods are connected to the free ends of the second rotating shafts, and angle sensors matched with the free ends of the angle swing rods are arranged on the second connecting pieces; and meanwhile, two buffer springs which are distributed with the angle swing rods as the center in an axial symmetry mode are further arranged on the second connecting pieces, and the tail ends of the second connecting pieces are connected with the clamp body.

The invention discloses a push-pull pulley tool for transporting glass in hanging mode, which comprises a 90-degree steel frame protection corner (2) used for supporting and bearing glass (1), a bearing pulley (4) and a load bearing platform (5). The 90-degree steel frame protection corner (2) is rotatably installed on the load bearing platform (5) through lengthening pair-penetrating self-tightening screws (3), and the bearing pulley (4) is rotatably installed on the load bearing platform (5) through the lengthening pair-penetrating self-tightening screws (3). The 90-degree steel frame protection corner (2) comprises two U-shaped grooves which are arranged in 90 degrees, and plastic flexible gaskets (6) are arranged in the U-shaped grooves. The push-pull pulley tool is capable of reducing safety hazards, reducing glass discharging time and improving working efficiency, convenient and flexible in use, strong in operation performance, low in manufacture cost and simple in manufacture.

The invention provides a non-interception type direct current beam position and beam spot shape measurement method and system. The method comprises the following steps: applying a voltage with a preset amplitude between each two opposite deflection polar plates in a measurement probe so as to generate an electric field between the two deflection polar plates; enabling the beam current to hit on a current probe through the electric field so as to detect the current change; returning the voltage of the deflection pole plates to zero, adjusting the voltage of the deflection pole plates until the current probe detects the current, recording the voltage amplitude at the moment, and circulating the operation on each group of deflection pole plates until the measurement is finished; and processing the voltage amplitude by a preset logic to obtain an offset displacement so as to obtain the beam position and the beam spot shape. The technical problems that the structure is complex, interference is likely to happen, the use cost is high, damage and ablation are likely to happen, and the measured object is single are solved.

The in-situ harvesting device is characterized in that the device comprises a crawler, a collecting mechanism and a catching mechanism are arranged on the crawler, the collecting mechanism comprises a conveying belt arranged on the crawler, the bottom end of the conveying belt is an inlet end, and the top end of the conveying belt is an outlet end; the inlet end of the conveying belt is matched with the outlet end of the catching mechanism, a first inclined sliding groove is further formed in the top of the crawler and located below the outlet end of the conveying belt, and meanwhile the bottommost end of the first inclined sliding groove is connected with the top end of a second inclined sliding groove; a collecting container is arranged at the bottommost end of the second inclined sliding groove, a plurality of first blocking strips distributed at equal intervals are arranged on the surface of the conveying belt, a supporting frame is arranged at the front end of the crawler, and the catching mechanism is arranged below the supporting frame.

The invention relates to a boring tool for a differential mechanism. The boring tool for the differential mechanism comprises a tool handle, a tool rest, a plug pin, tool edges and a positioning screw. The lower end of the tool handle is coaxially inserted in the tool rest. The tool handle and the tool rest are connected through the plug pin inserted in the tool rest. The upper tool edge is arranged at the upper end of the tool rest and the lower tool edge is arranged at the lower end of the tool rest. The boring tool for the differential mechanism is ingenious in design, reasonable in structure, convenient to use, high in practicality, low in overall manufacturing cost and convenient to retrofit (the tool edges can be replaced). After the boring tool for the differential mechanism is used, the production efficiency can be improved, automatic production can be achieved, manpower can be reduced, and the production cost is reduced for enterprises.