111results about How to "Guaranteed quality and reliability" patented technology

A construction method for Y-shaped column and overhung great inclined beam features that the Y-shaped column and the overhung great inclined beam are segmented and each segment is constructed along with its connected floor slab, beam, column and other concrete structure by concreting at same time to integrate them as a whole to bear the axial pressure and horizontal push force generated by the dead weight of said great inclined beam. Its scaffold is the combination of multifunctional one and ordinary one.

The invention provides a prefabricated concrete pipe culvert production assembly line and a production process. The production assembly line comprises a reinforcement machining workshop, a reinforcement cage conveying line, a mold dismounting and mounting conveying line, a reinforcement mold assembling line, a material distribution zone, a maintaining line and a finished product conveying-out line. The reinforcement cage conveying line is arranged at an output port of the reinforcement machining workshop, and the mold dismounting and mounting conveying line is parallel to the reinforcement cage conveying line. The reinforcement mold assembling line is parallel to the mold dismounting and mounting conveying line. The material distribution zone is arranged on the reinforcement mold assembling line. The maintaining line is parallel to the reinforcement mold assembling line. Translation shuttle buses are arranged at the two ends of the maintaining line and the two ends of the reinforcement mold assembling line. A crown block is erected on the two outer sides of the reinforcement cage conveying line and the maintaining line. The layout occupies small spaces, workshop land is saved, the prefabrication production efficiency of pipe culverts is effectively improved, the worker labor intensity is lowered, the production cost is lowered, and the quality consistency and reliability of pipe culvert products can be ensured.

This invention relates to a method of preparing an innocuous reagent paper which is used to detect aflatoxin by immunity chromatography. It includes motherboard, sample bed, tracer grain bed, nitro cellulose membrane, water absorbing bed, detecting line, quality control line. On the motherboard, it has sample bed, tracer grain bed, nitro cellulose membrane, water absorbing bed according to priority. The tracer grain bed has anti-aflatoxin antibody marked by tracer grain. The nitro cellulose membrane has detecting line and quality control line. The detecting line is made up of aflatoxin innocuous system linear point sample, which can be combined with anti-aflatoxin antibody. The quality control line is made up of ass-anti-white rat antibody linear sample point, which can be combined with anti-aflatoxin antibody. This invention doesn't need aflatoxin in the process of produce. It avoids secondary pollution. In detect process, it doesn't need aflatoxin sample but show the result by colors. Its cost is low and it is very convenient.

The invention relates to a rapid detecting device for detecting residual hydrogen peroxide in food, consisting of a storage tube, a silica gel ring, a reaction tube, a sucker type diversion rod, color development liquid and a stabilizer. The content of the hydrogen peroxide in food can be detected by the device; and when sample solution is added into the reaction tube, the whole reaction is a closed system and the hydrogen peroxide in a sample reacts with a reagent in the device to cause color to change, so that the content of the hydrogen peroxide in the detected sample can be semi-quantified according to the change of the color. In the detection process, the result is directly judged through the color, the operators do not contact the chemical reagent directly, the operation is simple, convenient and rapid, the sensitivity is high and the needs of field detection are satisfied.

The invention belongs to the technical field of energy storage batteries and particularly relates to a high-temperature sealed electrode. The high-temperature sealed electrode comprises a negative electrode core, an upper transition ring, an insulating sleeve, a lower transition ring, a positive electrode cover plate, a salt-sealing partition and a salt-sealing groove, wherein the upper transition ring, the insulating sleeve, the lower transition ring, the positive electrode cover plate, the salt-sealing partition and the salt-sealing groove sequentially sleeve the middle of the negative electrode core from top to bottom; a negative current collector is also welded at the bottom of the negative electrode core; the salt-sealing partition is fixed at the lower end of the positive electrode cover plate; the salt-sealing groove is also fixed in the negative electrode core at the lower end of the salt-sealing partition; the lower end of the salt-sealing partition extends into a sealed salt in the salt-sealing groove; and sealing of the electrode is achieved through heating and solidifying the sealed salt. The invention further discloses a preparation method of the high-temperature sealed electrode. According to the high-temperature sealed electrode, corrosion of steam to solder can be prevented, cracking of a connection part of the sealed electrode caused by thermal stress is prevented, long-term insulated sealing in a high-temperature condition is achieved, the sealed electrode is compact in structure and the space volume of a liquid metal battery is effectively compressed.

The invention discloses a high-speed scanner which comprises a transparent flatbed used for placing files to be scanned and a pressing plate used for pressing the files to be scanned and arranged above the transparent flatbed. The high-speed scanner is characterized in that a cavity for light to pass is arranged below the transparent flatbed, and the side wall of the bottom of the cavity is provided with a digital camera body used for imaging once. The high-speed scanner has simple structure and high scanning speed; especially in color scanning, the scanning speed of the high-speed scanner is tens of times higher than a traditional flat scanner.

The invention belongs to the technical field of machinery and provides a twisting machine. The twisting machine comprises a pay-off mechanism, a take-up mechanism and a traction mechanism, wherein the take-up mechanism also comprises a stander and a machine seat; the stander is arranged on the machine seat; a wire inlet main shaft part and a wire outlet main shaft part are arranged on the left side and the right side of the stander respectively; a second cradle component is arranged between the wire inlet main shaft part and the wire outlet main shaft part; the second cradle component comprises a twisting arch, a wire spool and a wire discharging part; a twisted cable led out by the pay-off mechanism is further twisted into a twisted cable which has a four-time twist pitch through the twisting arch in the second cradle component; and the further twisted cable on the wire arranging part is conveyed and tidily distributed on the wire spool. The twisting machine has the advantages that: the twisted cable can be further twisted into the twisted cable which has the four-time twist pitch, so the processing working efficiency is improved; as the parts are coordinated with one another to drag the cable, so the transmission stability is high; and the cable cannot be damaged during processing, so the quality reliability of a processed product is guaranteed.

The invention belongs to the technical field of machinery, and provides a cable single twister. The cable single twister comprises a base, and a moving mechanism, a take-up mechanism and a wire twisting mechanism which are arranged on the base, wherein the take-up mechanism and the moving mechanism are positioned on the right side of the base; the wire twisting mechanism is positioned on the left side of the base; the take-up mechanism is positioned on the moving mechanism; the wire twisting mechanism comprises a twisted wire driving mechanism, a twisted bow arm, a balance weight block and an outgoing line plate wheel; the twisted wire driving mechanism is connected with the twisted bow arm; the lower end of the twisted bow arm is provided with a connecting part; the upper end of the twisted bow arm is provided with the counter weight block; the connecting part is provided with an angle adjusting assembly; the outgoing line plate wheel is connected with the connecting part through the angle adjusting assembly. The cable single twister has the advantages that a strand of two cables can be automatically twisted, and the machining working efficiency is improved; since each component is matched with each other to draw the cables, the transmission stability is good, the cables cannot be damaged during the machining process, and the quality reliability of machined products is ensured.

The invention discloses a method for improving the magnetic performance of a samarium-cobalt permanent magnet material. The method comprises the steps: providing a samarium-cobalt permanent magnet asa base material, and the chemical formula of the base material as a powder orientation forming green body being Sm(CoxFeyCuzZrm)n, wherein x is larger than 0.5 and smaller than 0.9, y is larger than 0.01 and smaller than 0.1, z is larger than 0.01 and smaller than 0.1, m is larger than 0.01 and smaller than 0.1, and n is larger than 6 and smaller than 9; applying a low-melting-point phase diffusion source to the surface of the base material in a coating and/or cladding manner, and then performing vacuum and/or pressurized thermal diffusion treatment on the obtained base material; and carryingout sintering densification and aging treatment on the base material subjected to thermal diffusion treatment to prepare the samarium-cobalt permanent magnet material. According to the method providedby the invention, the magnetic performance of the samarium-cobalt permanent magnet material is effectively improved, and the application field of the samarium-cobalt rare earth permanent magnet material is expanded.

The invention provides a data quality detection method and device. The method comprises the steps of obtaining a data table needing to be subjected to data quality detection; carrying out data qualitydetection on each field of the data table by adopting a corresponding check rule to obtain a data quality detection value of each field under each dimension, the dimension at least comprising one ofconsistency, timeliness, accuracy and uniqueness; and performing weighted calculation on the data quality detection value of each field under each dimension to obtain a data quality detection value ofthe data table. According to the invention, quality detection is carried out on the data quality from multiple dimensions of consistency, timeliness, accuracy and uniqueness, and the data quality canbe evaluated step by step from a field level, a data table level, a data source level and a database level, so that the quality reliability of access data is ensured to a great extent.

The invention discloses a high-performance heat-conducting silica gel and a preparation method thereof. The high-performance heat-conducting silica gel is prepared from a component A and a component B in a mass ratio of 1:1. The component A is composed of a base material, a heat-conducting filler and a catalyst. The component B is composed of a base material, a heat-conducting filler, hydrogen-terminated silicon oil, a crosslinking agent and an inhibitor. The crosslinking agent is a loop-structure Si-H-group-containing polymer prepared from hexyl trichlorosilane, dimethylchlorosilane, water, a solvent and a pH regulator. By using the loop-structure Si-H-group-containing polymer to participate in the silicon hydrogenation addition reaction as the crosslinking agent, the prepared heat-conducting silica gel has favorable flowability, is convenient to operate, and has favorable resistance to internal hardening caused by stress due to continuous heating and temperature changes; and the material can maintain durable elasticity and toughness, and ensures the quality reliability and service life of the electronic components.

The invention relates to the technical field of quenching of the single ring of a ring chain, and specifically relates to a quenching method and quenching machine tool for the single ring of the ring chain. In the prior art, a single ring is quenched through continuously quenching a chain to which a new ring is connected by intermediate-frequency induction reheating or quenching the chain to which the new ring is connected by tank-type resistance furnace heating, in such a manner, energy is wasted, and the chain rings of the original ring chain are subjected to quenching heat treatment twice,so that size over tolerance is easily resulted and an unqualified product is obtained. The quenching method provided by the invention comprises the following steps of: placing a new unquenched singlering connected to a chain in a single-ring quenching machine tool, clamping the top of the chain ring by an electrode, electrifying for heating after clamping tightly, controlling the quenching temperature of the single ring with an infrared thermodetector so as to guarantee that the heating temperature of the single ring reaches the required quenching temperature, loosening the single ring, stopping electrifying and cooling with water. The invention has the advantage that the hardness and metallurgical structure of the quenched single ring are absolutely identical to those of other quenched chain rings in the chain, thus guaranteeing the quality and working reliability of the chain.

The invention provides a method for remotely controlling the use permission of a tax control device. In the method, three parts, namely, a tax control device use permission control system, a tax control device locking/unlocking module and a tax control device service reminding module are combined. The tax control device is endowed with first using lifetime before being formally used. When the data of the tax control device approaches to the using lifetime, the tax control device service reminding module reminds a user of information that the tax control device is to be locked on every startup wherein the information comprises date that the tax control device is to be locked, reasons of locking, measures needed to be taken by the user for preventing locking, and the like. When the user does not take the corresponding measures according to prompt information and the date exceeds the using lifetime, the tax control device starts the locking module for locking, thus, the tax control device cannot be normally used. If the tax control device needs to be unlocked, the tax control device use permission control system is needed to endow the tax control device with the using lifetime of the next stage, the user acquires an authorization password through remotely accessing the tax control device use permission control system, and the tax control device unlocking module operates to unlock after the correct authentication password is input at the tax control device side, thus, the tax control device can be used normally.

The invention relates to the field of mechanical machining and manufacturing, in particular to a process for machining a heat exchange device of a heat exchanger. The process is characterized by comprising the following steps in sequence: (1) section manufacturing, to be specific, the section manufacturing is performed according to a design structure of a heat exchange device, wherein the components for section manufacturing comprise a tube base and several heat exchange tubes connected with the tube base, the tube base comprises a tube plate and several joints corresponding to the heat exchange tubes, and the joints are integrated with the tube plate; (2) connection of the joints and the heat exchange tubes, to be specific, the several heat exchange tubes are welded with the corresponding joints respectively, the heat exchange device of a heat exchanger is obtained after welding all the components. With adoption of the process, the machining procedure of the heat exchange device can be simplified greatly, the machining cost can be reduced, and the quality and reliability of the obtained heat exchange device are also improved greatly.

The invention provides a cylindrical battery. The cylindrical battery comprises a cylinder, a central tube, a winding cell, a positive electrode cover plate and a negative electrode collector plate. The central tube is arranged in the cylinder, the winding battery core is wound on the central tube, and the positive electrode cover plate comprises a main body and a positive electrode limiting column arranged in the middle of the main body; the main body is connected with the cylinder, at least one part of the positive electrode limiting column is arranged in one end of the central pipe in a penetrating manner, and a liquid injection hole is formed in the positive electrode limiting column; the liquid injection hole is communicated with a cavity in the central tube, and the liquid injection hole and the cylinder are coaxially arranged; the negative electrode collector plate is arranged in the cylinder and comprises a plate body and a negative electrode limiting column arranged in the middle of the plate body, and at least one part of the negative electrode limiting column is arranged in the other end of the central tube in a penetrating manner. By adopting the scheme, the position of the liquid injection hole can be quickly positioned, so that the liquid injection and sealing efficiency is improved; moreover, the positive electrode cover plate and the negative electrode collector plate can be accurately positioned, so that the assembly efficiency is improved, and the assembly quality and the structural reliability are ensured.

The invention belongs to the technical field of machines and provides a cable single twister allowing height and side-direction adjusting. The single twister comprises a machine base and a moving mechanism, a taking-up mechanism and a twisting mechanism which are arranged on the machine base, the taking-up mechanism and the moving mechanism are located on the right side of the machine base, the twisting mechanism is located on the left side of the machine base, the taking-up mechanism is located on the moving mechanism, the twisting mechanism comprises a twisting driving mechanism, a fixed plate is arranged on the lower portion of the twisting driving mechanism and on the machine base on the left side, the twisting driving mechanism is installed on the fixed plate, upper and lower height adjusting components are arranged between four corners of the fixed plate and the machine base, and side-direction distance adjusting components are arranged on upper and lower side portions of the fixed plate. The single twister has the advantages that height adjusting and side portion adjusting functions are added, so that the twisting mechanism and the taking-up mechanism are located on the same horizontal plane in all directions, the whole machine is stable and balanced during operation, and the performance of twisted lines is stable.

The invention provides an aslant intake manifold orifice milling locating device which is characterized by comprising a bottom plate (1), an inclined plate (2), a flat plate (3), first angle iron (4), a first press plate (5), a first press plate screw (6), a second press plate (7), a third press plate (8), a first compressing screw rod (9), a compression nut (10) and a first support rod (11), wherein the triangular inclined plate (2) is vertically arranged on the bottom plate (1), the inclined plate (2) is provided with the flat plate (3), and the flat plate is provided with the first angle iron (4). The aslant intake manifold orifice milling locating device adopts a plane and pinhole locating mode, an orifice elastic-adjustable locating pin is adopted for locating, so that the position requirement of a product is ensured, an uneven wall thickness condition possibly caused by orifice processing due to blank deformation and orifice size unstability is solved, mounting requirements can be met, and reliable quality and batch production capability can be ensured.

The invention discloses a method to prepare epoxy resin carbon fibers for bonding the taper face of the bevel gear ring of an auto synchronizer. The synchronizer bevel gear ring fabricated by the method is capable to overcome the problem of low/unstable value of friction coefficient of the bevel gear ring of any steel-based 20CrMnTi spraying Mo or copper-alloy synchronizer. The method is to bond epoxy resin macromolecule carbon fibers onto the taper face of the bevel gear ring of the auto synchronizer. The detailed process is that a piece of carbon-fiber cloth is impregnated in the epoxy resin macromolecule polymer fluid polymerized twice, and then is bonded onto the inside taper face of the bevel gear ring to make the working face elastic, flexible and high-temperature resisting for achieving a stable friction coefficient. As a result, the hard working-face of the synchronizer is improved, the service life is increased by over two folds compared with existing similar products; in addition, the quality, reliability and safety of the complete set of gearbox of the product are guaranteed, and the product becomes safer and more reliable.

The invention discloses a distribution network power supply capability analysis system, method, and a computer readable storage medium. A power-side photovoltaic and wind power output uncertainty characterization model is established; load-side fixed loads, distributed energy storage loads and electric vehicle loads are classified according to classes at the same time to establish uncertainty characterization model; a distribution network power supply capability evaluation model is then established; in combination of distributed power access and the impacts of different loads on the distribution network power supply capability, the more accurate maximum power supply capability of the distribution network is obtained; and the random characteristics after the distributed photovoltaic wind power is accessed to the distribution network are comprehensively considered, an accurate and effective distribution network power supply capacity evaluation system is established, the subsequent powersupply quality and the power supply reliability are effectively ensured, and the safety and the economics of network operation are enhanced.

The invention discloses a broken rail roller coaster capable of presenting a platform type vertical falling. The broken rail roller coaster capable of presenting a platform type vertical falling comprises a tower frame (1), wherein an input part rail (2) is arranged on one side of the tower frame (1), an output part rail (3) is arranged on the other side of the tower frame (1), the output part rail (3) is lower than the input part rail (2), the tower frame (1) is provided with a lifting sliding support (4) which can connect the input part rail (2) and the output part rail (3) in a butt joint mode and can transfer a roller coast body (100) on the input part rail (2) to the output part rail (3) in a motion mode of free vertical falling, and the tower frame (1) is also provided with a driving device (5) which drives the rising of the lifting sliding support (4). The broken rail roller coaster capable of presenting a platform type vertical falling is diverse in playing method and is more stimulating.