CN203023737U - Short-bolt type expansive self-stress grouting hoop - Google Patents
Short-bolt type expansive self-stress grouting hoop Download PDFInfo
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- CN203023737U CN203023737U CN 201220736148 CN201220736148U CN203023737U CN 203023737 U CN203023737 U CN 203023737U CN 201220736148 CN201220736148 CN 201220736148 CN 201220736148 U CN201220736148 U CN 201220736148U CN 203023737 U CN203023737 U CN 203023737U
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Abstract
本实用新型涉及一种海洋结构物的修复加固,尤其是一种短螺栓型膨胀式自应力灌浆卡箍。包括上卡箍和下卡箍,上卡箍包括上鞍板和上法兰,下卡箍包括下鞍板和下法兰,上鞍板和下鞍板均呈半圆管状,上鞍板和下鞍板之间组成一个轴向的用于放置受损管件的环形内腔,上法兰和下法兰均沿卡箍的轴向两侧设置,法兰和下法兰之间通过短螺栓固定连接,短螺栓沿上法兰和下法兰间隔设置,上法兰和下法兰之间设有轴向密封件,上卡箍和下卡箍的轴向端面设有端面密封圈,端面密封圈的外侧设有压板,端面密封圈通过固定螺栓、压板与环形挡板固定连接。其结构简单,重量轻,允许制造公差大,水下施工方便,具有良好的耐久性和承载能力,适用于海洋结构物的修复加固。
The utility model relates to the repair and reinforcement of marine structures, in particular to a short-bolt type expansion self-stress grouting clamp. Including the upper clamp and the lower clamp, the upper clamp includes the upper saddle plate and the upper flange, the lower clamp includes the lower saddle plate and the lower flange, the upper saddle plate and the lower saddle plate are semicircular tubular, the upper saddle plate and the lower An axial annular cavity for placing damaged pipe fittings is formed between the saddle plates, the upper flange and the lower flange are arranged along the axial sides of the clamp, and the flange and the lower flange are fixed by short bolts Connection, short bolts are arranged at intervals along the upper flange and the lower flange, an axial seal is provided between the upper flange and the lower flange, and an end face sealing ring is provided on the axial end face of the upper clamp and the lower clamp, and the end face seal There is a pressure plate on the outer side of the ring, and the end face sealing ring is fixedly connected with the ring baffle through the fixing bolts, the pressure plate and the annular baffle. Its structure is simple, light in weight, large manufacturing tolerance is allowed, underwater construction is convenient, and it has good durability and load-bearing capacity, and is suitable for the repair and reinforcement of marine structures.
Description
技术领域technical field
本实用新型涉及一种海洋结构物的修复加固,尤其是一种短螺栓型膨胀式自应力灌浆卡箍。The utility model relates to the repair and reinforcement of marine structures, in particular to a short bolt type expansion type self-stress grouting clamp.
背景技术Background technique
目前,海洋平台管件和海底管线在使用过程中,由于疲劳或腐蚀,长期使用后会出现一定程度的破损,为了保证其正常工作,需要对海洋平台管件和海底管线进行维修加固工作。由于损伤部位发生在水下,湿式焊接难以实施,因此修复工作变得十分困难。At present, during the use of offshore platform pipe fittings and submarine pipelines, due to fatigue or corrosion, there will be a certain degree of damage after long-term use. In order to ensure their normal operation, offshore platform pipe fittings and submarine pipelines need to be repaired and reinforced. Since the damage occurred underwater, wet welding was difficult, making repairs difficult.
实用新型内容Utility model content
本实用新型的目的在于提出了一种短螺栓型膨胀式自应力灌浆卡箍,其结构简单,重量轻,允许制造公差大,水下施工方便,具有良好的耐久性和承载能力,适用于海洋结构物的修复加固。The purpose of this utility model is to propose a short bolt type expansion type self-stressing grouting clamp, which has a simple structure, light weight, allows large manufacturing tolerances, is convenient for underwater construction, has good durability and bearing capacity, and is suitable for marine applications. Repair and reinforcement of structures.
本实用新型是采用以下的技术方案实现的:一种短螺栓型膨胀式自应力灌浆卡箍,包括上卡箍和下卡箍,其中,所述上卡箍包括上鞍板和上法兰,下卡箍包括下鞍板和下法兰,上鞍板和下鞍板均呈半圆管状,上鞍板和下鞍板之间组成一个轴向的用于放置受损管件的环形内腔,上法兰和下法兰均沿卡箍的轴向两侧设置,上法兰与上鞍板的下部端面焊接连接,下法兰与下鞍板的上部端面焊接连接,上法兰和下法兰之间通过短螺栓固定连接,短螺栓沿上法兰和下法兰间隔设置,下卡箍的底部设有入浆口,上卡箍的顶部设有出浆口,入浆口和出浆口均与上鞍板和下鞍板之间的环形内腔连通,受损管件与上鞍板和下鞍板的内壁之间存在环形间隙,该环形间隙内填充有掺有膨胀剂的灌浆层,上法兰和下法兰之间设有轴向密封件,上卡箍和下卡箍的轴向端面设有端面密封圈,端面密封圈位于灌浆层的外侧,端面密封圈与灌浆层之间设有环形挡板,环形挡板焊接在上鞍板和下鞍板的内表面,端面密封圈的外侧设有压板,端面密封圈通过固定螺栓、压板与环形挡板固定连接。The utility model is realized by adopting the following technical solutions: a short-bolt type expansion self-stress grouting hoop, including an upper hoop and a lower hoop, wherein the upper hoop includes an upper saddle plate and an upper flange, The lower clamp includes a lower saddle plate and a lower flange. Both the upper saddle plate and the lower saddle plate are in the shape of a semicircular tube. An axial annular cavity for placing damaged pipe fittings is formed between the upper saddle plate and the lower saddle plate. The upper Both the flange and the lower flange are arranged along the axial sides of the clamp, the upper flange is welded to the lower end face of the upper saddle plate, the lower flange is welded to the upper end face of the lower saddle plate, the upper flange and the lower flange They are fixedly connected by short bolts. The short bolts are arranged at intervals along the upper flange and the lower flange. The bottom of the lower clamp is provided with a slurry inlet, and the top of the upper clamp is provided with a slurry outlet. Both communicate with the annular inner cavity between the upper saddle plate and the lower saddle plate, and there is an annular gap between the damaged pipe fittings and the inner walls of the upper saddle plate and the lower saddle plate, and the annular gap is filled with a grouting layer mixed with expansion agent. There is an axial seal between the upper flange and the lower flange, and an end face sealing ring is provided on the axial end faces of the upper clamp and the lower clamp. The end face sealing ring is located outside the grouting layer, and the end face sealing ring and the grouting layer An annular baffle is provided, and the annular baffle is welded on the inner surface of the upper saddle plate and the lower saddle plate, and a pressure plate is arranged outside the end face sealing ring, and the end face sealing ring is fixedly connected with the annular baffle through fixing bolts, the pressure plate and the annular baffle.
本实用新型中,所述短螺栓贯穿上法兰、轴向密封件和下法兰,短螺栓的一端设有螺母,上法兰和螺母之间、以及下法兰和螺栓头之间均设有垫片,所述轴向密封件通过短螺栓、螺母和垫片固定于上法兰和下法兰之间。In the utility model, the short bolt runs through the upper flange, the axial seal and the lower flange, and one end of the short bolt is provided with a nut, and between the upper flange and the nut, as well as between the lower flange and the bolt head, With gaskets, the axial seal is fixed between the upper and lower flanges by short bolts, nuts and washers.
所述环形挡板包括上环形挡板和下环形挡板,环形挡板与受损管件之间存在径向间隙,上环形挡板与下环形挡板之间存在间隙,环形挡板设有用于固定端部密封圈的螺纹孔,螺纹孔沿环形挡板的圆周面均匀间隔设置。The annular baffle includes an upper annular baffle and a lower annular baffle, there is a radial gap between the annular baffle and the damaged pipe, there is a gap between the upper annular baffle and the lower annular baffle, and the annular baffle is provided for The threaded holes for fixing the sealing ring at the end are evenly spaced along the circumferential surface of the annular baffle.
所述端面密封圈包括上端面密封圈和下端面密封圈,上端面密封圈和下端面密封圈均呈半圆环形状,上端面密封圈和下端面密封圈与受损管件之间无径向间隙,上端面密封圈和下端面密封圈之间设有密封垫层。The end face seal ring includes an upper end face seal ring and a lower end face seal ring, the upper end face seal ring and the lower end face seal ring are in the shape of a semicircle, and there is no radial direction between the upper end face seal ring, the lower end face seal ring and the damaged pipe fitting. There is a gasket layer between the upper end face seal ring and the lower end face seal ring.
本实用新型的有益效果是:该卡箍结构简单紧凑,重量轻,其钢结构重量比同等加固管件尺寸的长螺栓卡箍减少30%以上;短螺栓的轴向密封结构使得灌浆膨胀压力更加均匀,卡箍的轴向滑动承载力比同等加固管件尺寸的长螺栓卡箍提高20%以上;水下施工方便,施工费用低,同时也提高了水下施工的安全性,具有良好的耐久性和承载能力,适用于海洋结构物的修复加固。The beneficial effects of the utility model are: the clamp is simple and compact in structure, light in weight, and its steel structure weight is reduced by more than 30% compared with the long bolt clamp of the same reinforced pipe size; the axial sealing structure of the short bolt makes the grouting expansion pressure more uniform , the axial sliding bearing capacity of the clamp is more than 20% higher than that of the long bolt clamp with the same reinforced pipe size; the underwater construction is convenient, the construction cost is low, and the safety of the underwater construction is also improved, and it has good durability and Bearing capacity, suitable for repair and reinforcement of marine structures.
附图说明Description of drawings
图1是本实用新型的主视剖视图;Fig. 1 is the front sectional view of the utility model;
图2是短螺栓连接处的局部放大图;Figure 2 is a partial enlarged view of the short bolt connection;
图3是本实用新型的俯视剖视图;Fig. 3 is a top sectional view of the utility model;
图4是端面密封环形挡板的示意图;Fig. 4 is a schematic diagram of an end face sealing annular baffle;
图5是端面密封圈的示意图。Fig. 5 is a schematic diagram of an end face sealing ring.
图中:1上卡箍;2出浆口;3上鞍板;4上法兰;5下法兰;6下鞍板;7出浆口;8下卡箍;9灌浆层;10受损管件;11短螺栓;12螺母;13固定螺栓;14端面密封圈;15环形挡板;16轴向密封件;17垫片;18压板;19密封垫层。In the figure: 1 upper clamp; 2 slurry outlet; 3 upper saddle plate; 4 upper flange; 5 lower flange; 6 lower saddle plate; 7 slurry outlet; 8 lower clamp; 9 grouting layer; 10 damaged Pipe fittings; 11 short bolts; 12 nuts; 13 fixing bolts; 14 end face sealing ring; 15 ring baffle; 16 axial seal;
具体实施方式Detailed ways
下面结合附图对本实用新型做进一步说明。Below in conjunction with accompanying drawing, the utility model is further described.
图1至图3是本实用新型所述的短螺栓型膨胀式自应力灌浆卡箍,包括上卡箍1和下卡箍8,上卡箍包括上鞍板3和上法兰4,下卡箍包括下鞍板6和下法兰5,上鞍板3和下鞍板6均呈半圆管状,上鞍板3和下鞍板6之间组成一个轴向的用于放置受损管件10的环形内腔。上法兰4和下法兰5均沿卡箍的轴向两侧设置,上法兰4与上鞍板3的下部端面焊接连接,下法兰5与下鞍板6的上部端面焊接连接。上法兰4和下法兰5之间通过短螺栓11固定连接,短螺栓11沿上法兰4和下法兰5间隔设置。Fig. 1 to Fig. 3 are the short bolt type expansion type self-stressing grouting hoop described in the utility model, comprise upper hoop 1 and
下卡箍8的底部设有入浆口7,上卡箍1的顶部设有出浆口2,入浆口7和出浆口2均与上鞍板3和下鞍板6之间的环形内腔连通,受损管件10与上鞍板3和下鞍板6的内壁之间存在环形间隙,该环形间隙内填充有掺有膨胀剂的灌浆层9。上法兰4和下法兰5之间设有轴向密封件16,短螺栓11贯穿上法兰4、轴向密封件16和下法兰5,短螺栓11一端设有螺母12,上法兰4和螺母之间、以及下法兰5和螺栓头之间均设有垫片17,轴向密封件16通过短螺栓11、螺母12和垫片17固定于上法兰4和下法兰5之间,用于防止灌浆泄漏。上卡箍1和下卡箍8的两轴向端面均设有端面密封圈14,端面密封圈14位于灌浆层9的外侧。所述端面密封圈14包括上端面密封圈和下端面密封圈,上端面密封圈和下端面密封圈均呈半圆环形状,上端面密封圈和下端面密封圈与受损管件10之间无径向间隙,上端面密封圈和下端面密封圈之间设有密封垫层19,用于防止上端部密封圈和下端面密封圈在环向存在灌浆泄漏的间隙。端面密封圈14与灌浆层9之间设有环形挡板15,环形挡板15包括上环形挡板和下环形挡板,上环形挡板和下环形挡板分别焊接在上鞍板和下鞍板的内表面。环形挡板15在径向与受损管件10之间存在径向间隙,上环形挡板与下环形挡板之间存在间隙,在环形挡板15开有用于固定端部密封圈14的螺纹孔,螺纹孔沿环形挡板15的圆周面均匀间隔设置。端面密封圈14的外侧设有压板18,端面密封圈14通过固定螺栓13、压板18与环形挡板15固定连接,用于防止灌浆泄漏。The bottom of the
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CN 201220736148 CN203023737U (en) | 2012-12-28 | 2012-12-28 | Short-bolt type expansive self-stress grouting hoop |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105351677A (en) * | 2015-10-26 | 2016-02-24 | 中国华冶科工集团有限公司 | Method for repairing gas pipeline system in gas delivering process |
CN109882744A (en) * | 2019-04-25 | 2019-06-14 | 韦玉健 | A kind of fast accurate is not necessarily to the device for detecting sealability to pressurize to device |
CN113718740A (en) * | 2021-07-22 | 2021-11-30 | 海洋石油工程股份有限公司 | Novel repairing and reinforcing method for jacket platform structure rod piece |
-
2012
- 2012-12-28 CN CN 201220736148 patent/CN203023737U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105351677A (en) * | 2015-10-26 | 2016-02-24 | 中国华冶科工集团有限公司 | Method for repairing gas pipeline system in gas delivering process |
CN109882744A (en) * | 2019-04-25 | 2019-06-14 | 韦玉健 | A kind of fast accurate is not necessarily to the device for detecting sealability to pressurize to device |
CN113718740A (en) * | 2021-07-22 | 2021-11-30 | 海洋石油工程股份有限公司 | Novel repairing and reinforcing method for jacket platform structure rod piece |
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