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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 15. Отображено 15.
10-12-2014 дата публикации

Lubricant for internal combustion engines and preparation method thereof

Номер: CN104194864A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a lubricant for internal combustion engines. The lubricant for internal combustion engines comprises the following components in percentage by weight base oil for lubricants, 15-35% of oxygen-containing organic compounds, 0.05-0.15% of rare-earth nanoparticles, 20-25% of rare-earth nanoparticle dispersant and the balance of base oil for lubricants; and the invention also provides a preparation method of the lubricant for internal combustion engines. The lubricant disclosed by the invention is an improved lubricant composition which can be used for effectively overcoming the defects existing in traditional lubricant compositions; and the lubricant can be used for effectively reducing friction coefficients so as to prolong the service life of equipment and reduce the cost.

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Номер записи: 1
01-10-2014 дата публикации

Centrifugal regulator test bed

Номер: CN104074838A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a centrifugal regulator test bed. The centrifugal regulator test bed comprises a lower oil tank, an oil suction filter, a vane-type oil pump, a hydraulic oil filter, a proportional overflow valve, pressure sensors, pressure measuring and control instruments, a regulator test fixture, a magnetoelectric rotating speed sensor, a digital rotating speed indicator, a variable-frequency and variable-speed motor and a frequency converter; the oil suction filter is arranged under the working liquid level in the oil tank and connected with the vane-type oil pump by use of a hydraulic pipeline; the vane-type oil pump is connected to one end of the hydraulic oil filter by use of a hydraulic pipeline, and the other end of the hydraulic oil filter is connected to the oil inlet of a regulator to be tested by use of a hydraulic pipeline; the regulator test fixture is mounted in an oil trap and comprises the magnetoelectric rotating speed sensor and a coupling; one end of the magnetoelectric ...

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Номер записи: 2
10-12-2014 дата публикации

Drive gear and preparation method thereof

Номер: CN104195452A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a drive gear and a preparation method thereof. The drive gear consists of the following chemical components in percentage by weight: C, Si, Mn, Cr, Ni, Nb, V, Cu, P, S, lanthanide-series rear earths and the balance of Fe. The preparation method for the drive gear comprises the following steps: preparing a blank by adopting a casting mode; then, carrying out thermal treatment on the blank, a cutting process on rough-turning gear ring gear blank, a rough-milling gear-hobbing process, carburizing and nitriding treatment, tempering, hardening and tempering thermal treatment; and finally, carrying out a finish turning process and finish-milling gear-hobbing process and then inspecting, packaging and storing. The drive gear is high in strength, hardness and abrasive resistance, good in corrosion resistance and oxidization resistance, high in yield strength and tensile strength; and the gear processing method is simple, low in cost and good in molding performance.

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Номер записи: 3
28-01-2015 дата публикации

Hydraulic cylinder testing bed system

Номер: CN104314924A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a hydraulic cylinder testing bed system. The hydraulic cylinder testing bed system comprises an oil tank, an oil temperature control loop, a loading oilway, a detecting oilway and a returning oilway, wherein the oil temperature control loop sends hydraulic oil in the oil tank into a loading hydraulic cylinder and a tested hydraulic cylinder through the loading oilway and the detecting oilway respectively, and sends oil discharged from the tested hydraulic cylinder and the loading hydraulic cylinder into the oil tank; the loading oilway drives the loading hydraulic cylinder; the detecting oilway drives the tested hydraulic cylinder; the tested hydraulic cylinder is connected with the loading hydraulic cylinder through a quick connector. Compared with the conventional hydraulic cylinder testing bed system, the hydraulic cylinder testing bed system provided by the invention saves energy, and can satisfy the hydraulic cylinder testing precision well by being matched ...

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Номер записи: 4
10-12-2014 дата публикации

Treatment process for improving corrosion resistance of bearing

Номер: CN104195570A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a treatment process for improving corrosion resistance of a bearing. The treatment process comprises the following steps: (1) preparing a nickel-chromium alloy coating; (2) feeding the bearing into a heating furnace, heating to 1100-1200 DEG C, rapidly cooling the bearing to be 520-550 DEG C through a first cooling procedure, spraying the nickel-chromium alloy coating on the surface of the bearing under the condition that the thickness is 0.06-0.09mm, putting the bearing into the hearting furnace, rapidly heating to be 1000-1050 DEG C, keeping the temperature for 30-35 minutes, and finally cooling to the room temperature through a second cooling procedure; (3) tempering the bearing; (4) performing normalization once, tempering once and surface high-frequency quenching once on the bearing; and (5) detecting the flaws by using ultrasonic waves, and washing and packaging after the bearing is qualified. By adopting the treatment process, the corrosion resistance of the ...

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Номер записи: 5
17-12-2014 дата публикации

Flexible composite cable and preparation method thereof

Номер: CN104217799A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a flexible composite cable which mainly comprises a cable core. The cable core is externally covered by a coating layer and an outer sheath in sequence, and the cable core is composed of a conductor and an insulating layer. The coating layer contains polyphenyl ether resin, polyolefin elastomer, packing flame retardant, flame-retardant synergist, flexibilizer, antioxidant and composite rare earth constituent, the insulating layer is a crosslinked polyethylene insulating layer, and the outer sheath is made of halogen-free low-smoke flame-retardant polyolefin. The invention further provides a preparation method of the flexible composite cable, the conductor is preheated and a crosslinked polyethylene insulating layer is extruded on the surface of the conductor to form the cable core, the cable core is cooled to an indoor temperature, then the coating layer is sprayed on the surface of the cooled cable core, and after the coating layer is dry, the outer sheath is sleeved ...

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Номер записи: 6
28-01-2015 дата публикации

High-wear-resistance bearing sleeve and preparation technology thereof

Номер: CN104313495A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a high-wear-resistance bearing sleeve and a preparation technology thereof. The chemical compositions of the high-wear-resistance bearing sleeve comprise C, Si, Mn, Ni, Cr, Nb, Mo, v, Cu, composite rare earth and the balance Fe. The preparation technology comprises: putting high-wear bearing sleeve raw materials, in other words, the chemical compositions of the high-wear bearing sleeve into a container, starting a stirring device to slowly fully stir for uniform mixing for usage, then successively performing mold forming, a process of rough turning, stabilizing and precise turning, a process of rough grinding, a process of milling and turning, and a process of precise grinding and shaping, so as to obtain a bearing sleeve finished product. The bearing sleeve is good in wear resistance, high in strength and precise in dimension, and the preparation technology is simple, convenient to operate, low in cost and high in efficiency.

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Номер записи: 7
01-10-2014 дата публикации

Hydraulic motor testbed

Номер: CN104074839A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a hydraulic motor testbed. The hydraulic motor testbed comprises a loading unit and an inspection waiting unit, a loading motor of the loading unit and an inspection waiting motor of the inspection waiting unit are arranged on a motor testbed rack and connected through a coupling, and the coupling is provided with a rotating speed sensor. The hydraulic motor testbed uses proportion, sensing and other like technologies; a console gathers and controls intensively to manually and automatically control the test for a tested hydraulic motor to control the rotating speed, pressure, temperature, flow rate, load and other similar parameters, display each working parameter of the system, store and print history test parameters and real-time test parameters and judge the performance of the tested hydraulic motor.

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Номер записи: 8
17-12-2014 дата публикации

Special steel material for high-strength bearing and machining process of high-strength bearing

Номер: CN104213040A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a special steel material for a high-strength bearing and a machining process of the high-strength bearing. A blank comprises the following chemical components in percentage by mass: 0.24-0.26% of C, 0.10-0.12% of Si, 0.95-0.97% of Mn, 0.45-0.47% of Ni, 6.3-6.5% of Cr, 0.26-0.28% of Mo, 0.32-0.34% of Sr, 0.08-0.10% of Nb, 0.03-0.05% of Cu, 0.17-0.19% of Al, 0.26-0.28% of Ti, not more than 0.01% of S, not more than 0.02% of P, and 0.15-0.17% of rare earth metals, the balance being Fe, wherein the rare earth metals consist of the following chemical components in percentage by mass: 3-5% of praseodymium, 11-13% of neodymium, 9-11% of promethium, 3-5% of gadolinium, 2-4% of lutecium, 6-8% of europium, 1-3% of terbium and 4-6% of holmium, the balance being erbium. The invention further discloses the machining process of the high-strength bearing; and the machining process comprises the steps of forging, annealing, tempering, turning, carburizing and heat treatment. The ...

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Номер записи: 9
17-09-2014 дата публикации

Testbed for testing comprehensive performance of pouring-returning oil pumps and adjuster

Номер: CN104048822A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention provides a testbed for testing comprehensive performance of a pouring-returning oil pumps and an adjuster. The testbed comprises a test operation table, a drive system and a hydraulic system, wherein the drive system and the hydraulic system are arranged on the test operation table. The drive system comprises a variable frequency motor, a coupling and a speed-increasing gearbox. According to the testbed, whether the performance of the pouring-returning oil pumps and the adjuster meets the requirements or not is tested through the test requirements of product components and by testing the measured parameter, and meanwhile whether work of friction pair parts is normal or not is checked through the test; a comprehensive performance testbed is designed for testing a two-type pouring-returning oil pump product and a two-type adjuster product, the hydraulic system is optimized, the testbed is compact in structure and reasonable in layout, and cost is reduced and energy consumption ...

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Номер записи: 10
10-12-2014 дата публикации

Treatment technique capable of enhancing wear resistance of bearing

Номер: CN104195571A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a treatment technique capable of enhancing wear resistance of a bearing, which comprises the following steps: (1) preparing an alloy coating; (2) spraying the alloy coating on the bearing surface, wherein the thickness is 0.02-0.04mm; (3) spraying the alloy coating on the bearing surface, wherein the thickness is 0.03-0.05mm; (4) carrying out primary normalizing+primary surface high-frequency quenching+primary tempering on the bearing; and (5) carrying out ultrasonic flaw detection to obtain the acceptable product, cleaning and packaging. The minor elements are added to improve the chemical properties and physical properties of the bearing, thereby prolonging the service life of the bearing and enhancing the wear resistance, corrosion resistance and oxidation resistance; and the rare-earth metals are added to enhance the toughness, wear resistance and other comprehensive properties of the bearing, thereby generating unexpected technical effects.

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Номер записи: 11
28-01-2015 дата публикации

Hydraulic servo control test bed system

Номер: CN104314893A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a hydraulic servo control test bed system. The hydraulic servo control test bed system comprises a working fuel tank, a main oil return circuit, a servo control loop, a beam push-pull loop, a cooling oil return circuit and a clamping loop, wherein the main oil return circuit is respectively connected with the servo control loop, the beam push-pull circuit and the clamping circuit through the working fuel tank; at last, the oil is cooled and then fed to the working fuel tank through the cooling oil return circuit. The hydraulic servo control test bed system disclosed by the invention is reasonable in structure, and stable and reliable in operation; as a small pumping source and a large energy accumulator set are adopted, the system loading power is matched reasonably and properly, the efficiency is improved, and the idle loss is reduced; with adoption of a large servo valve and a small servo valve, the requirements on dynamic and static tests can be met; in addition ...

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Номер записи: 12
10-12-2014 дата публикации

Special steel and processing technique of high-wear-resistance bearing

Номер: CN104195456A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses a special steel of a high-wear-resistance bearing. The blank comprises the following chemical components in percentage by mass: 0.21-0.23% of C, 0.07-0.09% of Si, 0.66-0.68% of Mn, 0.83-0.85% of Ni, 9.1-9.3% of Cr, 0.55-0.57% of Mo, 0.13-0.15% of V, 0.11-0.13% of Nb, 0.01-0.03% of Cu, 0.19-0.21% of Ti, 0.05-0.07% of B, at most 0.025% of S, at most 0.015% of P, 0.12-0.14% of rare-earth metal and the balance of Fe. The rare-earth metal comprises the following chemical components in percentage by mass: 2-4% of cerium, 11-13% of neodymium, 3-5% of gadolinium, 4-6% of lutetium, 5-7% of dysprosium, 1-3% of europium, 8-10% of erbium and the balance of lanthanum. The invention also discloses a processing technique of the high-wear-resistance bearing, which comprises the following steps: forging, annealing, tempering, turning, carburizing and heat treatment. The product has the characteristics of high working size precision, stable inherent quality, excellent properties, ...

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Номер записи: 13
19-11-2014 дата публикации

Outer lubricating oil system for constant loading test stand and application method thereof

Номер: CN104155100A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses an outer lubricating oil system for a constant loading test stand. The outer lubricating oil system comprises an oil circulating loop, a lubricating oil transmission system and a testing loop, wherein the testing loop and the oil circulating loop cooperate to carry out a grinding test of a constant loading product and an oil seal operation inside the constant loading product in sequence; and the lubricating oil transmission system is used for cooperating the oil circulating loop and the testing loop in sequence, in order to complete circulation and filtering of working liquid in the outer lubricating oil system and oil injection operation of the constant loading product. The invention also designs an application method of the outer lubricating oil system for the constant loading test stand. According to the outer lubricating oil system for the constant loading test stand and the application method thereof, real-time monitor on parameters such as temperature, quantity ...

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Номер записи: 14
10-12-2014 дата публикации

Oil injection and returning pump and cooling pump test table

Номер: CN104196707A
Автор: LU SHUGEN, YANG ZHONGXI, FENG QIANGLONG
Принадлежит:

The invention discloses an oil injection and returning pump and cooling pump test table which comprises a stainless steel ball valve, a vane-type oil pump, a stainless steel cooler, a two-position two-way electromagnetic water valve, a cool air switch, a first hydraulic oil filter, a pressure sensor, a second hydraulic oil filter, a turbine flowmeter and a pressure adjustment switch. The lower side of a lower oil tank is provided with an oil discharging pipeline, the oil discharging pipeline is connected with a work oil tank, an outlet of the oil discharging pipeline is provided with the stainless steel ball valve, the lower stream of the stainless steel ball valve is sequentially provided with the vane-type oil pump, the stainless steel cooler and the first hydraulic oil filter, the input end of the stainless steel cooler is connected with the two-position two-way electromagnetic water valve, the end, close to the work oil tank, of the oil discharging pipeline is provided with a bypass ...

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Номер записи: 15