The utility model patent relates to a prestressed steel strand connecting device, which is composed of an extruding anchor, an anchor ring and a protective sleeve. The extruding anchorage is fixed on the prestressed steel stranded wire, and the rough arc protruding bar is arranged on the inside of the extrusion anchor. The rough arc protruding bar part is embedded in the gap of the prestressed steel strand. The outside of the extruding anchorage is provided with a skid rectangular strip, and the high strength spring spring above the skid rectangle bar is set up, and the high strength spring is fixed to the cushion block. The anchor ring is set on the outside of the extruding anchorage. The anchor ring is composed of 2.5 circular anchors. The inner of the semi circular anchor is provided with a groove corresponding to the anti skid rectangular strip. The outer side of the semi-circular anchor is provided with a rough round bulge. The protective sleeve is fixed on the outer side of the anchor ring and the rough round ball is set inside the sleeve to protect the casing. Shape protruding. The connecting device can effectively connect the prestressed steel strand to realize the subsection and piecewise tension of the prestressed steel strand, and can be widely applied to the segmented tensioning of the prestressed steel strand or the segmented length of the prestressed strand in the prestressed concrete structure.
【技术实现步骤摘要】
一种预应力钢绞线连接装置
本技术涉及一种预应力钢绞线连接装置,属于钢绞线
技术介绍
预应力锚固技术日益广泛的应用于工业与民用建筑、市政路桥、矿井巷道支护领域,预应力钢绞线连接装置是锚固体系中最基础、也是最重要的组成部分,预应力钢绞线连接装置是否有效,关系到预应力体系能否成功的建立,其重要性不言而喻。对于预应力钢绞线的固定,有先张法和后张法两种,预应力技术的关键是锚杆锚具,锚杆锚具是保证预应力混凝土结构安全可靠的关键之一,锚具的受力要均匀,当预应力混凝土的工程过长时,在混凝土端部张拉预应力钢绞线会造成较大的预应力损失,需要采用预应力钢绞线连接器分段张拉预应力钢绞线,以减少预应力混凝土工程的预应力损失。目前,现有的预应力钢绞线连接器的锚固端的锚件与锚环之间易进水泥浆,导致预应力钢绞线在张拉前和张拉过程中锚固端夹持不紧,从而造成张拉过程中预应力钢绞线被拉脱,影响张拉力的建立,现有预应力钢绞线连接器在装配过程中锚固端与连接套管之间的强度不够高,容易造成预应力钢绞线与连接器脱落,影响装配质量和效率。虽然在现有的技术中出现了不同的装置来解决上述问题,但是依然不能够策 ...
【技术保护点】
1.一种预应力钢绞线连接装置,由挤压锚具(1)、锚环(2)、保护套管(3)组成,特征在于:所述挤压锚具(1)固定套在预应力钢绞线(4)上,挤压锚具(1)内侧设置粗糙弧形凸起条(5),所述粗糙弧形凸起条(5)部分嵌合在预应力钢绞线(4)缝隙处,挤压锚具(1)的外侧设有防滑矩形条(6),防滑矩形条(6)上方设置高强弹簧(7),高强弹簧(7)固定连接让压垫块(8),所述锚环(2)套装在挤压锚具(1)的外侧,所述锚环(2)由两个半圆形锚件(9)组成,半圆形锚件(9)的内部设有与防滑矩形条(6)对应的凹槽(10),半圆形锚件(9)的外侧设有粗糙圆球形凸起(11),所述保护套管(3)固 ...
【技术特征摘要】
1.一种预应力钢绞线连接装置,由挤压锚具(1)、锚环(2)、保护套管(3)组成,特征在于:所述挤压锚具(1)固定套在预应力钢绞线(4)上,挤压锚具(1)内侧设置粗糙弧形凸起条(5),所述粗糙弧形凸起条(5)部分嵌合在预应力钢绞线(4)缝隙处,挤压锚具(1)的外侧设有防滑矩形条(6),防滑矩形条(6)上方设置高强弹簧(7),高强弹簧(7)固定连接让压垫块(8),所述锚环(2)套装在挤压锚具(1)的外侧,所述锚环(2)由两个半圆形锚件(9)组成,半...
【专利技术属性】
技术研发人员:张立丰,常树才,贾文龙,李涛,熊远顺,宋杰,吴桐刚,韩超,靳国柱,明茂刚,王清标,徐淑一,谢翡,李因旭,刘文宇,任国辉,
申请(专利权)人:中铁十四局集团第四工程有限公司,张军杰,
类型:新型
国别省市:山东,37
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