32results about How to "Reliable product quality guarantee" patented technology

The invention discloses process for manufacturing quincuncial dowel screws. The process mainly includes steps: (1) cutting; (2), double chamfering; (3) preliminary heading and tail binding; (4) quincunx binding and forming; (5) thread rolling; (6) heat treatment; and (7) surface treatment. The process for manufacturing quincuncial dowel screws has the advantages that an integral processing procedure is divided into a plurality of working procedures, a blank is in cold heading processing to form a product, generated waste materials are avoided in the processing procedure, processing speed and efficiency are high, cost is effectively controlled, labor intensity of personnel is reduced, and the quality of the product can be reliably guaranteed.

The invention relates to the window installing technology in the building field, in particular to a prefabricated bay window structure installed on a laminated wall board. A prefabricated bay window (2) is composed of an upper eave, a lower eave, a left vertical face and a right vertical face of the prefabricated cement board bay window, and embedded screw tubes (9) or nuts (7) are arranged at the corresponding joints of the periphery of the prefabricated bay window (2) and the laminated wall board. An installing method of the prefabricated bay window comprises the steps that firstly, a rectangular frame is formed; secondly, the nuts (7) are embedded; thirdly, the prefabricated bay window (2) is inserted and is flush with the inner wall of the laminated wall board; fourthly, a plurality of pieces of L-shaped angle iron (8) are prepared; fifthly, the inequilateral L-shaped angle iron (8) is arranged on the inner wall, and long screw rods (11) are screwed in the embedded screw tubes (9) through nuts; sixthly, the equilateral L-shaped angle iron (8) is arranged on the outer wall; seventhly, caulking is carried out through mortar (3) for blockage, and concrete is poured in a middle cast-in-place layer of the laminated wall board. The prefabricated bay window is not provided with an outer folded edge, the occupied space is small, manufacturing, storing and transporting are very easy and convenient, the prefabricated bay window structure is suitable for building window frame and laminated wall board factory-like line production, field assembling is easy, the construction speed is increased, the work period is shortened, the construction quality is high, and cost is saved.

The invention relates to a method for controlling the quality of a standardized extract of a Chinese herbal medicine, i.e., the quality standard of standardized bupleurum extract. The method comprises the following steps: the bupleurum chinense is extracted in the semi-bionic environment, the total content of the main effective components (saikosaponin a, saikosaponin b, saikosaponin c and saikosaponin d) of the extract is equal to or greater than 1.874 percent, and the total content is equal to or greater than 1.3 percent according to the standard content index. The quality standard of the standardized bupleurum extract includes identification of bupleurum extract, content determination of saikosaponins, specific chromatogram determination and other detection items. The main components of the bupleurum extract can be determined qualitatively and quantitatively, the unified and controllable quality and the standardize production of the bupleurum extract can be ensured, the pharmaceutical quality and the therapeutic effect of the bupleurum extract are guaranteed, and a new quality standard is formulated for completely and accurately evaluating the quality of the standardized bupleurum extract on the basis of experimental research. The method has the characteristics of simplicity, convenience, stability and good reproducibility, and is favorable for improving the inspection efficiency.

The tonic wine with the functions of invigorating kidney, producing life essence and strengthening Yang is prepared with spirit and ten kinds of Chinese medicinal materials including angelica, epimedium, desert cistanche, gecko, prepared rhizome of rehmannia, etc. It has obvious effects and mild cost.

The invention provides health tea for resisting anxiety, relieving depression and improving sleep, which is characterized by comprising the following compositions by weight percentage: 10 to 30 percent of spina date seed, 5 to 20 percent of platycladi seed, 10 to 40 percent of thinleaf milkwort root-bark, 10 to 20 percent of red sage root, 5 to 20 percent of szechwon tangshen root, 5 to 20 percent of tall gastrodia tuber, 10 to 30 percent of manyflower solomonseal rhizome, 5 to 20 percent of hawthorn, 5 to 20 percent of medlar and 5 to 20 percent of Indian buead. The health tea has the advantages of scientific formula, obvious effect, convenient drinking and no side effect, and achieves the diet therapy effect beneficial for health in a tea drinking mode by calming heart and nerves.

The tonic wine for treating bony arthralgia is prepared with spirit and 11 kinds of Chinese medicinal materials including dahurian angelica root, Sichuan achyranthes root, angelica, eucommia bark, lesser galangal rhizome, etc. It has obvious effects and mild cost.

The invention provides a variable direct-current loop iron alloy ore heat stove. The variable direct-current loop iron alloy ore heat stove mainly comprises an ore heat stove body, N sets of rectifying voltage-regulating power supply systems, and a redundant mutually-backup group, wherein N pairs of smelting electrodes extend into the ore heat stove body for heating, melting and smelting cores; the N sets of rectifying voltage-regulating power supply systems are connected with the smelting electrodes for separately controlling polarity switching of the smelting electrodes; the redundant mutually-backup group is arranged on a connecting conductor for converting control objectives of each set of the rectifying voltage-regulating power supply systems. When the variable direct-current loop iron alloy ore heat stove works, N sets of the rectifying voltage-regulating power supply systems separately control polarity switching of N pairs of the smelting electrodes to realize uniform roasting of each pair of smelting electrodes. The technical scheme adopted by the invention solves the problem that accidents such as electrode breakage in a production process due to the fact that roasting forpositive and negative electrodes is out of step in the prior art.

The invention provides a method for removal of RH vacuum chamber bottom channel steel slag. Heat release of an aluminum oxygen reaction process is utilized to perform melting removal on steel slag. The method consists of: preheating: controlling an oxygen lance's position at 5000-5600mm and the gas flow at 400-500m<3>/h, performing baking for 10-20min until steel slag begins to drip at a bottom channel, then raising the ascending gas flow to 120-150m<3>/h; aluminum adding: using an aluminum alloy hopper to add 100-200kg of aluminum wire segment to the vacuum chamber bottom channel position; and slag melting: controlling the oxygen lance's position at 5000-5600mm and the gas flow at 400-600m<3>/h, further performing baking for 5-20min until the aluminum wire segment added into the bottom channel burns and the steel slag melts, and at the end of the aluminum wire segment reaction, adjusting the ascending gas flow to 80-120m<3>/h. The method provided by the invention can realize online removal of bonded steel slag at the bottom of the RH vacuum chamber bottom channel, thereby effectively reducing the RH circulating pipe hang slag, expanding the circulation pipe inner diameter, increasing the RH molten steel circulation velocity, and ensuring the product quality reliable guarantee.

The invention relates to a kind of hydraulic feedback oil-well pump with a long round plug and passageways for oil-entering and sand-depositing, strong guard against dense and, includes sealing total five and double passageways structure of oil-entering and sand-deposition. The trait of the pump is fixing a long plug sealing system between shaft-plug and tube, and fixing a passageway structure of oil-entering and sand-depositing between pump tube and tube outside. This equipment is used to enhance the usefulness of the pump, enhance the function avoiding dense and sand, prolong the using life. The invention has reasonable design, simple structure, easy-making, and convenient-using, efficient and good sealing function; entering passage is separated from depositing passageway, not gather in the tube as the routine pump do, the oil tube pole avoids buried by sand, Even if under the condition that oil is buried in sand, the pump can also produce with sand. The life span of this pump is three to five times more than the routine one.

The invention relates to a special combined fixture for machining the upper end face and the lower end face of a round mold crystallizer copper tube and a use method of the special combined fixture. The fixture comprises an installation bottom plate, a first set of upper and lower clamping plates, a second set of upper and lower clamping plates and a positioning plate. The installation bottom plate is used for arranging the fixture on a machine tool or a worktable. The first set of upper and lower clamping plates are vertically arranged at one end of the installation bottom plate, the second set of upper and lower clamping plates are vertically arranged at the other end of the installation bottom plate, the upper clamping plates correspond to the lower clamping plates from the upper portion, and preset shapes are formed between the upper clamping plates and the lower clamping plates so that the copper tube to be machined can be positioned and fixed. The positioning plate is arranged on the machine tool or the worktable and used for positioning the installation bottom plate. By means of the fixture, the standard of upper end face and lower end face machining of the copper tube difficult to precisely position is ingeniously transferred to the fixture, and precise installation and positioning of the copper tube are guaranteed through the specially designed structure of the fixture. Accordingly, errors caused by a lineation method or a simple backer are avoided, it is guaranteed that machined parts are precise and reliable, product quality is improved, and defective products are reduced.

The invention discloses health tea containing Chinese herbal medicines with functions of tonifying qi, replenishing blood, maintaining beauty and resisting fatigue and ageing. The health tea comprises components in percentage by weight as follows: 5%-20% of sea buckthorn, 10%-50% of American ginseng, 5%-30% of polygonatum, 5%-20% of South dodder seeds, 5%-20% of kudzuvine roots, 10%-30% of Chinese yams, 10%-30% of astragalus membranaceus, 5%-30% of fructus lycii, 5%-20% of Chinese angelica, 5%-20% of raspberries and 5%-20% of rhodiola rosea. The health tea containing the Chinese herbal medicines with the functions of tonifying qi, replenishing blood, maintaining beauty and resisting fatigue and ageing can be scientifically prepared, has a remarkable effect, is accurate in dosage, moderate in price and safe and convenient to drink, doesn't have side effects if people take the health tea for a long time and strengthens the physique of people.

The invention relates to a continuous forming mold for manufacturing a triangular cramp and a continuously formed triangular cramp, and belongs to the technical field of novel mechanical manufacturing. The continuous forming mold is composed of an upper mold assembly and a lower mold assembly; the upper mold assembly comprises an upper mold seat, an upper fixing plate, an upper stopping plate, anupper separating plate and a cutter sheath, and the upper fixing plate is fixedly provided with a cutter; the other end of the upper mold seat is hinged to a connecting rod sleeve; the lower mold assembly comprises a lower mold seat and a lower mold plate, a bent top block constituting a horizontal moving pair is fixedly mounted at one end of the lower mold plate, the other end of the lower mold plate is mounted in the middle of a lever in a hinged mode, the inner end of the lever is hinged to a bent sliding block with a bent punch, the bent sliding block and the lower mold plate constitute the horizontal moving pair, the side, spaced from the bent top block, of the bent punch is provided with a lower mold cutting opening, the lower mold cutting opening is provided with a V-shaped neutralgear matched with a cutting edge, and marking inserts are symmetrically distributed on the two sides of the V-shaped neutral gear; and the outer end of the lever is hinged to a lower connecting rod seat, and the lower connecting rod seat is fixedly connected with a connecting sleeve. The working efficiency of the continuous forming mold is greatly improved, and the product quality is reliably guaranteed.

The invention provides nourishing paste with functions of producing blood, tonifying kidney, blacking hair and strengthening physique. The nourishing paste is prepared from the following raw materials in parts by weight: 5-15 parts of donkey-hide gelatin, 10-20 parts of fructus lycii, 5-15 parts of semen sesami nigrum, 10-20 parts of fructus jujubae, 10-20 parts of semen juglandis, 5-10 parts of rock candies, 3-8 parts of cornu cervi pantotrichum, 10-15 parts of radix astragali seu hedysari, 2-10 parts of Chinese angelica and 5-15 parts of glossy privet fruit extract. The nourishing paste is a health food with the functions of producing blood, tonifying kidney, blacking hair and strengthening physique, and is scientific in prescription compatibility, remarkable in effect, safe and convenient and free from toxic and side effects; the nourishing paste is beneficial to industrial and standardized production and popularization, and is applied to health maintenance, disease prevention and sub-health state conditioning.

The invention provides an oil coating system and an air conditioner production line. The oil coating system comprises an oil control device, an oil storage device and an oil outlet device which are sequentially connected; the oil control device is used for controlling the oil storage device to guide out the silicon grease; the oil storage device is used for conveying the silicon grease to the oil outlet device; and the oil outlet device is used for outputting the silicon grease and coating an end shaft of an air deflector with the silicon grease. By means of the oil control device, the oil storage device and the oil outlet device, the oil outlet amount of the silicon grease can be controlled, the silicon grease can be evenly smeared on the end shaft of the air guide plate, the oil smearing amount on the air guide plate is kept consistent, the production efficiency is improved, the product quality is reliably guaranteed, and the labor intensity of operators is greatly reduced.

The invention discloses a method for cold forming of pipe fittings. In manufacturing of metal pipe fittings, PCH alkane filler serves as a pressure transmitting medium, and axial compensation of metal pipe blanks is performed on a multidirectional hydraulic forming machine by the aid of a die. The whole forming process is completed under a cold condition. By the method for cold forming of the pipe fittings, a new approach is provided for cutting-free or less-cutting deep machining of metal materials.

The invention relates to a one-way clutch bearing. In the axial direction, an outer ring and an inner ring are divided into a rolling body mounting section and a rolling needle mounting section; a roller path is arranged on the outer ring inner wall and the inner ring outer wall of the rolling body mounting section; a plurality of rolling bodies are arranged in the roller path on the outer ring and the inner ring; a rolling body holder is used for uniformly separating the plurality of the rolling bodies; a plurality of rolling needle groups are arranged between the outer ring inner wall and the inner ring outer wall of the rolling needle mounting section; a rolling needle holder is used for uniformly separating the plurality of the rolling needle groups; each rolling needle group comprises a first rolling needle and a second rolling needle; each first rolling needle and each second rolling needle are arranged in a holding slot of the rolling needle holding frame; a pressure angle is formed between a center connecting line of the first rolling needle and the second rolling needle and a contact pressure direction of the inner ring; each first rolling needle is positioned at the radial inner end of the holding slot, and is in contact with the outer wall of the inner ring; and each second rolling needle is positioned at the radial outer end of the holding slot, and is in contact with the inner wall of the outer ring. The one-way clutch bearing is simple and compact in structure, is good in processing process and is high in precision; and product quality is guaranteed.