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如何对卡套接头进行一个接头的装配

来源:本站 时间:2019-11-12 13:58:13 浏览次数: 26

[导读]: 卡套式管接头一般由三部分组成:接头体、卡套、螺母。当卡套和螺母套在钢管上插入接头体后,旋紧螺母时,卡套前端外侧与接头体锥面贴合,内刃均匀地咬入无缝钢管,形成有效密封。其安装简便,耐压高,故而得到广泛应用。所以我们今天就来为大家科普一下如何对卡套接头进行一个接头的装配。

卡套式管接头一般由三部分组成:接头体、卡套、螺母。当卡套和螺母套在钢管上插入接头体后,旋紧螺母时,卡套前端外侧与接头体锥面贴合,内刃均匀地咬入无缝钢管,形成有效密封。其安装简便,耐压高,故而得到广泛应用。所以我们今天就来为大家科普一下如何对卡套接头进行一个接头的装配。

Bayonet type pipe joint is generally composed of three parts: joint body, bayonet and nut. When the clamp sleeve and nut sleeve are inserted into the joint body on the steel pipe and the nut is tightened, the front and the outside of the clamp sleeve are fitted with the taper surface of the joint body, and the inner edge evenly bites into the seamless steel pipe to form an effective seal. Its installation is simple, high pressure resistance, so it has been widely used. So today we are going to explain how to make a joint assembly of the bayonet joint.

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(一).预装①卡套式管接头的预装的最重要的环节,直接影响到密封的可靠性。一般需要专用的预器。管径小的接头可以在台钳上进行预装。具体做法是,用一个接头作为母体,将螺母、卡套压紧到管子上可。主要有卡套式直通管接头、卡套式端直通接通头、卡套式三通管接头等型式。笔者发现,即使是同一厂家一批货,这几种接头体上锥形孔的深度往往不相同,结果就造成了泄漏,而此问题往往被忽视。正确的做法是,管子一端用什么样的接头体连接,对应的连接端则用相同类型的接头预装,这样能最大限度地避免出现泄漏问题。②管子端面应平齐。管子锯断后应在砂轮等工具上打磨平齐,并且去除毛刺,清洗并用高压空气吹净后再使用。③预装时,应尽量保持管子与接头体的同轴度,若管子偏斜过大也会造成密封失效。④预装力不宜太大使卡套的内刃刚好嵌入管子外壁,卡套不应有明显变形。在进行管路连接时,再按规定的拧紧力装配。ф6-1卡套的拧紧力为64-1 15n、16фmmr 259n、ф18mm的为450n。如果在预装时卡套变形严重,会失去密封作用。

(二).禁止加入密封胶等填料。有人为了取得更好密封效果,在卡套上涂上密封胶,结果密封胶被冲入液压系统中,造成液压元件阴尼孔堵塞等故障。

(三).连接管路时,应使管子有足够的变形余量,避免使管子受到拉伸力。

(四).连接管路时,应避免使其受到侧向力,侧向力过大会造成密封不严。

(五).连接管路时,应一次性好,避免多次拆卸,否则也会使密封性能变差。

(一). Preloading

1. The most important part of the preassembly of the card sleeve type pipe joint, directly affects the reliability of the seal. Special presets are usually required. Smaller joints can be preassembled on a vise. The concrete way is, USES a joint as the matrix, presses the nut, the clamp sleeve to the pipe may. The main types are bayonet type through pipe joint, bayonet type end through connector, bayonet type three-way pipe joint and so on. The author found that, even if the same manufacturer of a batch of goods, these kinds of joint body conical hole depth is often not the same, resulting in leakage, and this problem is often ignored. The correct way is, what kind of joint body is used to connect one end of the pipe, and the corresponding connection end is preassembled with the same type of joint, so as to minimize the occurrence of leakage problems.

2.Pipe ends shall be flush. After the pipe is cut, it shall be polished and leveled on tools such as grinding wheel, and burrs shall be removed, cleaned and blown clean with high-pressure air before use.

3.preinstallation, should try to keep the pipe and joint body coaxial, if the pipe deflection is too large will cause seal failure.

4.preload force should not be too ambassador sleeve inside edge just embedded pipe wall, sleeve should not be obvious deformation. When connecting pipes, assemble them according to the specified tightening force. The tightening force of 6-1 jacket is 64-1 15n, 16 mmr259n and 18mm 450n. If the clamp is seriously deformed during preassembly, it will lose its sealing function.

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卡套式管接头安装

(1)按第9章要求对需要酸洗的管子应先酸洗处理;

(2)按需要长度用锯床或专用切管机等机具切断管子,绝对不允许用溶断(如火焰切割)或砂轮切割;除去管端内外圆毛刺、金属切屑及污垢;除去管接头的防锈剂及污垢;同时还要保证管子圆度;

(3)将螺母、卡套先后套入管子,卡套前端刃口(小径端)距管子口至少3mm,然后将管子插入接头体内锥孔,顶到为止;

(4)慢慢拧紧螺母,同时转动管子直至不动时,再拧紧螺母2/3~4/3圈;

(5)拆开检查卡套是否已切入管子,位置是否正确。卡套不允许有轴向移动,可稍有转动;

(6)检查合格后重新旋紧螺母。

Bayonet fitting

(1) according to the requirements of chapter 9, the pipes requiring pickling shall be treated with pickling first;

(2) cut the pipe with sawing machine or special pipe cutting machine according to the required length, and dissolving (such as flame cutting) or grinding wheel cutting is absolutely not allowed; Remove internal and external burrs, metal chips and dirt at the pipe end; Remove anti-rust agent and dirt from pipe joints; At the same time to ensure that the pipe roundness;

(3) insert the nuts and clamps into the pipe successively. The front-end cutting edge of the clamps (the end of the path) should be at least 3mm away from the pipe mouth. Then insert the pipe into the taper hole in the connector body and push it up to the end;

(4) slowly tighten the nut, and rotate the pipe until it does not move, then tighten the nut by 2/3 ~ 4/3 cycles;

(5) disassemble the card holder to check whether it has been cu

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