CN201062502Y - 一种矿井膨胀式封孔器 - Google Patents

一种矿井膨胀式封孔器 Download PDF

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CN201062502Y
CN201062502Y CNU200720101966XU CN200720101966U CN201062502Y CN 201062502 Y CN201062502 Y CN 201062502Y CN U200720101966X U CNU200720101966X U CN U200720101966XU CN 200720101966 U CN200720101966 U CN 200720101966U CN 201062502 Y CN201062502 Y CN 201062502Y
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宋彦波
刘斌
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Hebei Tongcheng Technology Co., Ltd.
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宋彦波
刘斌
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Abstract

本实用新型涉及一种矿井膨胀式封孔器。它包括有内管、外管,还包括有胶管外套、橡胶套、单向阀钢球、弹簧、铝箔片、接头,内管为芯轴管,外管为膨胀钢丝胶管,芯轴管的外面设有膨胀钢丝胶管,膨胀钢丝胶管的外面设有胶管外套,芯轴管上设有小孔,设有小孔的芯轴管外面与胶管外套之间设有橡胶套,芯轴管上端与接头相连,其接头处芯轴管内依次设有铝箔片、弹簧、单向阀钢球;该封孔工艺过程简单,安装方便,设计合理,封孔效果好,不漏水、不漏浆、不泄压,使用安全可靠。

Description

一种矿井膨胀式封孔器
技术领域
本实用新型涉及一种封孔器,特别是一种矿井膨胀式封孔器。
背景技术
目前,封孔器有多种,如膨胀胶囊和机械挤压变形橡胶等,这种膨胀式封孔器结构简单,使用方便,从理论上讲应该是较为理想的一种封孔器,但由于结构设计不够合理,因此带来了一系列问题:如封堵效果不好,不严密,或者初期封堵较好后期较差的现象,封水压力逐渐降低,浆液从注浆口溢流浪费浆液,经济较差等毛病。
发明内容
本实用新型所要解决的技术问题是克服现有的矿井膨胀式封孔器,结构设计不够合理、造成封堵效果不好、不严密、或者初期封堵较好后期较差的现象、封水压力逐渐降低、浆液从注浆口溢流浪费浆液、经济较差等弊端,而提供一种封孔工艺过程简单、安装方便、封孔效果好、使用安全可靠的一种矿井膨胀式封孔器。
本实用新型解决其技术问题所采取的技术方案为:这种矿井膨胀式封孔器,它包括有内管、外管,其主要技术特点是:它还包括有胶管外套、橡胶套、单向阀钢球、弹簧、铝箔片、接头,内管为芯轴管,外管为膨胀钢丝胶管,芯轴管的外面设有膨胀钢丝胶管,膨胀钢丝胶管的外面设有胶管外套,芯轴管上设有小孔,设有小孔的芯轴管外面与胶管外套间设有橡胶套,芯轴管上端与接头相连,其接头处芯轴管内依次设有铝箔片、弹簧、单向阀钢球。
本实用新型所提供的这种矿井膨胀式封孔器,封孔工艺过程简单,安装方便,有效的解决了过去膨胀式封孔器由于结构设计不够合理所带来一系列问题,因而封孔效果好、不漏水、不漏浆、不泄压、使用安全可靠。
附图说明
图1为本实用新型所提供的矿井膨胀式封孔器结构示意图。
具体实施方式
参照附图1,本实用新型实施例所提供的这种矿井膨胀式封孔器,包括有内管、外管,它还包括有胶管外套3、橡胶套4、单向阀钢球5、弹簧6、铝箔片7、接头8,内管为芯轴管1,外管为膨胀钢丝胶管2,芯轴管1的外面设有膨胀钢丝胶管2,膨胀钢丝胶管2的外面设有胶管外套3,芯轴管1上设有小孔9,设有小孔9的芯轴管1的外面与胶管外套3间设有橡胶套4,芯轴管1上端与接头8相连,接头8处芯轴管1内依次设有铝箔片7、弹簧6、单向阀钢球5。
本实用新型在使用时,首先把封孔器放入注浆孔中,当注浆工作开始时,注浆泵把浆液压注到封孔器的芯轴管1内,由于芯轴管1内有铝箔片7阻挡浆液使其不能通过封孔器,而通过芯轴管1上的小孔9流到膨胀钢丝胶管2与芯轴管1之间空腔中,使膨胀钢丝胶管2在浆液的压力作用下随着压力的升高逐渐膨胀,与注浆孔孔壁产生全断面挤压接触,从而使注浆孔的孔口被封堵;当注浆压力超过预先设计的固定值时,浆液将铝箔片7冲破,通过单向阀钢球5流入注浆孔内芯轴管1中,由于芯轴管1上小孔9外的橡胶套4将小孔9封住,使得流入膨胀钢丝胶管2与芯轴管1之间空腔中的浆液无法回流,从而使得膨胀钢丝胶管2保持膨胀状态;在注浆完毕后将高压软管拆下,单向阀钢球5在弹簧6的作用下复位,使注浆孔内的浆液不能逆流出来,从而将注浆孔封堵住。

Claims (1)

1.一种矿井膨胀式封孔器,包括有内管、外管,其特征在于:它还包括有胶管外套(3)、橡胶套(4)、单向阀钢球(5)、弹簧(6)、铝箔片(7)、接头(8),内管为芯轴管(1),外管为膨胀钢丝胶管(2),芯轴管(1)的外面设有膨胀钢丝胶管(2),膨胀钢丝胶管(2)的外面设有胶管外套(3),芯轴管(1)上设有小孔(9),设有小孔(9)的芯轴管(1)外面与胶管外套(3)间设有橡胶套(4),芯轴管(1)上端与接头(8)相连,其接头(8)处芯轴管(1)内依次设有铝箔片(7)、弹簧(6)、单向阀钢球(5)。
CNU200720101966XU 2007-07-18 2007-07-18 一种矿井膨胀式封孔器 Expired - Lifetime CN201062502Y (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103032043A (zh) * 2012-11-22 2013-04-10 中国水电顾问集团中南勘测设计研究院 一种孔口封闭灌浆法专用水压式孔口封闭器
CN104929561A (zh) * 2014-03-18 2015-09-23 中国石油化工股份有限公司 封隔器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103032043A (zh) * 2012-11-22 2013-04-10 中国水电顾问集团中南勘测设计研究院 一种孔口封闭灌浆法专用水压式孔口封闭器
CN104929561A (zh) * 2014-03-18 2015-09-23 中国石油化工股份有限公司 封隔器
CN104929561B (zh) * 2014-03-18 2017-07-07 中国石油化工股份有限公司 封隔器

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