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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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Применить Всего найдено 7. Отображено 7.
29-10-2015 дата публикации

DESIGN PROCESS AND OPTIMISATION METHOD FOR HYDRAULIC SUPPORT FOR SOLID FILLING COAL MINING

Номер: WO2015161833A1
Автор: MIAO, Xiexing, ZHANG, Jixiong, ZHANG, Qiang, GUO, Shuai
Принадлежит:

A design process and optimisation method for a hydraulic support for solid filling coal mining, pertaining to the design and optimisation of a hydraulic support for solid filling coal mining for use in a coal mine. The design process and optimisation method for a hydraulic support is carried out according to the following steps: A, requirements and a basis for the design and optimisation of a hydraulic support are determined; B, the basic type of the hydraulic support is determined; C, technical parameters of the hydraulic support are determined; D, the forms of components of the hydraulic support are determined; E, a basic model of the hydraulic support is constructed, and preliminary design and optimisation of the sizes of the various components of the hydraulic support are performed; F, component parts of the support are designed using Pro/Engineer or SolidWorks three-dimensional mechanical design software, overall machine assembly is performed, and a three-dimensional solid model of ...

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Номер записи: 1
29-10-2015 дата публикации

MECHANICAL ROCKER ARM-TYPE VERTICAL FEEDING CUSHIONING DEVICE

Номер: WO2015161768A1
Автор: MIAO, Xiexing, ZHANG, Jixiong, ZHANG, Qiang, GAO, Rui
Принадлежит:

A mechanical rocker-arm type vertical feeding cushioning device, consisting of two identical cushioning units and a box body (7). The two cushioning units are respectively arranged with a certain height difference on the inner side of the box body (7). Each cushioning unit consists of a cushioning mechanism and a fixing hinge mechanism. The cushioning mechanism is composed of a cushioning plate (1), a spring (5) and a balance weight (6). The fixing hinge mechanism is composed of a hinge plate (2), a right angle circular rod (3) and an elastic limiting device (4). The cushioning plate (1) is fixed to the hinge plate (2) via connection holes and using bolts. The hinge plate (2) is welded to the right angle circular rod (3). The elastic limiting device (4) consists of two elastic limiting plates and a hollow iron ring in a welded manner. The right angle circular rod (3) is connected to the elastic limiting device (4) in a sleeved manner via the hollow iron ring of the elastic limiting device ...

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Номер записи: 2
17-05-2018 дата публикации

METHODS FOR MOUNTING AND ERECTING MECHANICAL CONSTANT-RESISTANCE SINGLE PROP

Номер: WO2018086509A1
Автор: MIAO, Xiexing, CHEN, Yanlong, ZHANG, Jixiong, ZHANG, Qiang, WU, Yu, DENG, Xuejie
Принадлежит:

A method for mounting a mechanical constant-resistance single prop, comprising: (1) fitting a rod body (5) within a cylinder body (3) and adjusting the fitting length according to an actual section height of a cut hole or a roadway in a mine; (2) nesting a steel ball sleeve (6) between the rod body (5) and the cylinder body (3), so that the rod body (5) presses the steel ball sleeve (6) to form self-locking; (3) fixedly connecting a limiting cover to the fitting portion of the rod body (5) and the cylinder body (3); (4) mounting and locking a top tray (4) to the upper end of the rod body (5); and (5) vertically erecting the parts of a mechanical constant-resistance single prop that are assembled in the step (4) and mounting the parts on a base. The present invention implements easy, quick and efficient mounting, and saves labor and material resources.

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Номер записи: 3
29-10-2015 дата публикации

MATCHING METHOD FOR EQUIPMENT FOR SOLID-FILLING COAL FACE OF COAL MINE

Номер: WO2015161771A1
Автор: ZHANG, Jixiong, MIAO, Xiexing, ZHANG, Qiang, LIU, Shiwei
Принадлежит:

Disclosed is a matching method for equipment for solid-filling a coal face of a coal mine. The equipment using the matching method is composed of the following parts: a coal mining machine (5), a scraper conveyor (6), and a hydraulic support (10) for filling and coal mining, arranged on the coal face; coal conveying equipment (7), a machine head (13), a driving electric motor (14), and a machine head lifting platform (15), arranged in a coal conveying lane; a gangue belt-type conveyor (8), a self-moving transfer conveyor (9), a machine tail (17), and a machine tail lifting platform (18), arranged in a gangue conveying lane; and a tamping mechanism (11) and a middle segment (16) of the conveyor, arranged in a filling face. The middle segment of the conveyor and the tamping mechanism are respectively arranged at the rear and bottom portions of the hydraulic support for filling and coal mining; the self-moving transfer conveyor is overlapped with the gangue belt-type conveyor and the machine ...

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Номер записи: 4
19-06-2014 дата публикации

LARGE MINING HEIGHT FILLING COAL MINING HYDRAULIC SUPPORT WITH COAXIALLY HINGED FRONT AND REAR TOP BEAMS

Номер: WO2014090109A1
Автор: ZHANG, Jixiong, MIU, Xiexing, AN, Baifu, ZHANG, Qiang, JU, Feng, ZHOU, Nan
Принадлежит:

A large mining height filling coal mining hydraulic support with coaxially hinged front and rear top beams comprises a pedestal (13), a front top beam (2), and a forepoling bar (1) connected to the front portion of the front top beam (2). A front pillar (12) secured on the pedestal (13) is provided below the front top beam (2), the rear portion of the front top beam (2) is provided with a rear top beam (4), a rear pillar (10) secured on the pedestal (13) is provided below the rear top beam (4), a four bar mechanism (11) is provided between the front pillar (12) and the rear pillar (10), a solid-filling mining conveyor (6) is suspended on the rear top beam (4), a pulling jack (5) is provided on the rear top beam (4), a tamper mounting platform (9) with the height being 600 mm-1600 mm is provided at the rear portion of the pedestal (13), a tamper (7) with the amplitude of swing being 0°-60° is hinged to the tamper mounting platform (9), a rotation jack (8) connected to the tamper (7) is provided ...

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Номер записи: 5
30-12-2015 дата публикации

METHOD FOR REMOVING HYDRAULIC SUPPORT FOR SOLID FILLING COAL MINING

Номер: WO2015196872A1
Автор: JU, Feng, MIAO, Xiexing, ZHANG, Jixiong, DENG, Xuejie, WANG, Xufeng
Принадлежит:

Disclosed is a method for removing a hydraulic support for solid filling coal mining. Firstly, a support removing channel (3) is dug in a coal body (2) in front of the hydraulic support (1), and a support removing track (4) is laid, then the hydraulic support is removed from a coal conveying gateway (11) to a track gateway (5), temporary supporting is carried out by matching a single supporting column with a π-type steel beam before each hydraulic support is removed, a supporting roof is reinforced in time by means of erecting a crib (13) and grouting after each hydraulic support is removed, three grouting pipelines (12) are laid after the supports of the whole work surface are removed, and grouting is carried out in the whole finishing cut space. According to the method, in the process of removing the hydraulic support (1) for solid filling coal mining, the roof of the support removing space of the work surface is stable so that the hydraulic supports on the work surface of solid filling ...

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Номер записи: 6
11-05-2018 дата публикации

DECOMPRESSABLE UNLOADING BASE MECHANISM OF SINGLE PROP

Номер: WO2018082202A1
Автор: ZHANG, Qiang, MIAO, Xiexing, ZHANG, Jixiong, DENG, Xuejie, YAN, Hong, LI, Meng
Принадлежит:

Disclosed is a decompressable unloading base mechanism of a single prop, the decompressable unloading base mechanism comprising a base bottom plate (1) and two wedge blocks. One of the wedge blocks, as a fixed wedge block (2), is welded to the base bottom plate (1), and the other of the wedge blocks, as a movable wedge block (3), is connected to the fixed wedge block (2) by means of screws (4) and nuts (5). By means of the mechanism, the single prop can be decompressed to be unloaded or contracted to be detached effectively, the structure is simple and the operation is convenient, thereby overcoming the technical problem in the art that the single props are difficult to be decompressed and unloaded.

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Номер записи: 7