WO2018214474A1 - 圆形密封三维补偿器 - Google Patents

圆形密封三维补偿器 Download PDF

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Publication number
WO2018214474A1
WO2018214474A1 PCT/CN2017/115516 CN2017115516W WO2018214474A1 WO 2018214474 A1 WO2018214474 A1 WO 2018214474A1 CN 2017115516 W CN2017115516 W CN 2017115516W WO 2018214474 A1 WO2018214474 A1 WO 2018214474A1
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Prior art keywords
ring plate
connecting tube
ring
disposed
tube
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PCT/CN2017/115516
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English (en)
French (fr)
Inventor
钱忠平
钱芬
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江苏博格东进管道设备有限公司
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Publication of WO2018214474A1 publication Critical patent/WO2018214474A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L51/00—Expansion-compensation arrangements for pipe-lines
    • F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • F16L51/03—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube comprising two or more bellows

Definitions

  • the invention relates to a circular sealed three-dimensional compensator.
  • the 3D corrugated compensator is a special compensator specially designed for pulverized coal pipelines, which can compensate the synthetic displacement of axial, angular, lateral and all directions;
  • the current three-dimensional corrugated compensator has poor sealing performance and is prone to leakage of the filler.
  • the current three-dimensional corrugated compensator has poor sealing performance and is prone to leakage of the filler.
  • a circular sealed three-dimensional compensator comprising an intermediate tube, a left connecting tube and a right connecting tube, wherein the left connecting tube is provided with a first ring plate, and the left end of the middle tube is disposed
  • There is a second ring plate a first corrugated hose is sealingly connected between the first ring plate and the second ring plate, and a first connecting pipe is disposed on the second ring plate, and the right end of the first connecting pipe is
  • the two ring plates are fixedly connected, a sliding sealing fit is formed between the left end of the first connecting pipe and the outer wall of the left connecting pipe, a first filling cavity is formed in the first corrugated hose, and the first filling cavity is filled with ceramic fiber filler ;
  • a third ring plate is disposed on the right connecting pipe, a fourth ring plate is disposed at a right end of the middle pipe, and a second corrugated hose is sealingly connected between the third ring plate and the fourth ring plate, and the third a second connecting tube is disposed on the ring plate, the right end of the second connecting tube is fixedly connected with the third ring plate, and a sliding sealing fit is formed between the left end of the second connecting tube and the intermediate outer wall, and the second corrugated hose is formed a second filler chamber, the second filler chamber being filled with a ceramic fiber filler.
  • a sealing connection between the two ends of the first corrugated hose and the first ring plate and the second ring plate is: the first ring plate is provided with a third connecting pipe, and the second ring plate is disposed There is a fourth nozzle, and the left and right ends of the first corrugated hose are respectively sealedly connected with the inner wall of the third connecting tube and the fourth connecting tube;
  • the third ring plate is provided with a fifth connecting pipe
  • the fourth ring plate is provided with a sixth In the pipe, the left and right ends of the second corrugated hose are respectively sealedly connected to the inner wall of the fifth pipe and the sixth pipe.
  • a sliding sealing structure is formed between the left end of the first connecting pipe and the outer wall of the left connecting pipe: the outer wall of the right end of the left connecting pipe is provided with a retaining ring, and a third filler is formed between the left end of the first connecting pipe and the outer wall of the left connecting pipe a cavity, the third packing chamber is provided with a sealing ring and an asbestos twisted rope;
  • a sliding sealing structure is formed between the left end of the second connecting tube and the intermediate outer wall: the outer wall of the right end of the middle tube is provided with a retaining ring, and a fourth filling chamber is formed between the left end of the second connecting tube and the outer wall of the intermediate tube, A sealing ring and an asbestos twisting rope are arranged in the four-filler chamber.
  • first fastening bolt assemblies are disposed between the first ring plate and the second ring plate, and a plurality of second fastening bolt assemblies are disposed between the third ring plate and the fourth ring plate ;
  • the fastening bolt assembly includes a bolt rod, and two ends of the bolt rod are respectively provided with a threaded section, and the threaded ends of the bolt rod are respectively connected to the fastening nut after passing through the ring plate.
  • the invention has the beneficial effects of: improving the sealing property of the filling cavity in the compensator, the sealing structure is stable and reliable, and satisfies the requirements of the three-dimensional compensator for compensation in the axial, angular, lateral and all directions.
  • Figure 1 is a schematic view of a three-dimensional compensator
  • a circular sealed three-dimensional compensator includes an intermediate tube 1 , a left connecting tube 2 and a right connecting tube 3 .
  • the left connecting tube 2 is provided with a first ring plate
  • the left end portion of the middle tube 1 is provided with a second ring plate.
  • a first corrugated hose 4 is sealingly connected between the first ring plate and the second ring plate, and a first connecting pipe 6 is disposed on the second ring plate.
  • the right end of the first connecting pipe 6 is fixedly connected with the second ring plate, and the first connecting pipe A sliding sealing fit is formed between the left end of the 6 and the outer wall of the left connecting tube 2, and a first filling chamber is formed in the first corrugated hose 4, and the first filling chamber is filled with a ceramic fiber filler.
  • a third ring plate is disposed on the right connecting pipe 3, a fourth ring plate is disposed at the right end of the intermediate pipe 1, and a second corrugated hose 5 is sealingly connected between the third ring plate and the fourth ring plate, and the third ring plate is provided with
  • the second nozzle 7, the right end of the second joint 7 is fixedly connected with the third ring plate, the left end of the second joint 7 forms a sliding sealing fit with the intermediate outer wall, and the second corrugated hose 5 forms a second filling chamber, and the second The filler cavity is filled with a ceramic fiber filler.
  • the sealing structure between the two ends of the first corrugated hose 4 and the first ring plate and the second ring plate is: a third connecting pipe is disposed on the first ring plate, and a fourth connecting pipe is disposed on the second ring plate, the first corrugating The left and right ends of the hose 4 are respectively sealedly connected to the inner wall of the third connecting tube and the fourth connecting tube;
  • the sealing structure between the two ends of the second corrugated hose 5 and the first ring plate and the second ring plate is: a third connecting tube is disposed on the third ring plate, and a sixth connecting tube is disposed on the fourth ring plate, the second corrugating
  • the left and right ends of the hose 5 are respectively sealedly connected to the inner wall of the fifth nozzle and the sixth nozzle.
  • a sliding sealing structure is formed between the left end of the first connecting pipe 6 and the outer wall of the left connecting pipe 2: the outer wall of the right end of the left connecting pipe 2 is provided with a retaining ring, and the third filling cavity is formed between the left end of the first connecting pipe 6 and the outer wall of the left connecting pipe 2, and the third A sealing ring 8 and an asbestos twisted rope are disposed in the filling chamber.
  • the retaining ring limits the sealing ring 8 in the third packing chamber, and the asbestos twisting rope is tied to the outer wall of the left connecting tube 2.
  • a sliding sealing structure is formed between the left end of the second connecting pipe 7 and the intermediate outer wall: the outer wall of the right end of the intermediate pipe 1 is provided with a retaining ring, and the fourth packing cavity is formed between the left end of the second connecting pipe 7 and the outer wall of the intermediate pipe 1, and the fourth packing cavity is Sealed ring 8 and asbestos twisted rope are provided.
  • the retaining ring limits the sealing ring 8 in the fourth packing chamber, and the asbestos twisting rope is tied to the outer wall of the intermediate tube 1.
  • the fastening bolt assembly includes a bolt
  • the rod and the rod end are respectively provided with a threaded section, and the threaded sections at both ends of the bolt rod pass through the ring plate and are connected with the fastening nut.
  • the compensator of the invention has high sealing performance of the filling cavity, stable and reliable sealing structure, and meets the requirements of the three-dimensional compensator for compensation in the axial direction, the angular direction, the lateral direction and the various positions.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)
  • Gasket Seals (AREA)

Abstract

一种圆形密封三维补偿器，包括中间管（1）、左接管（2）以及右接管（3），左接管（2）上设置有第一环板，中间管（1）左端设置有第二环板，第一环板和第二环板之间密封连接有第一波纹软管（4），第一接管（6）的左端与左接管（2）外壁之间形成滑动密封配合，第一波纹软管（4）内形成第一填料腔，第一填料腔内填充有陶瓷纤维填料；右接管（3）上设置有第三环板，中间管（1）右端设置有第四环板，第三环板和第四环板之间密封连接有第二波纹软管（5），第二接管（7）的左端与中间外壁之间形成滑动密封配合，第二波纹软管（5）内形成第二填料腔，第二填料腔内填充有陶瓷纤维填料。该圆形密封三维补偿器可以提升补偿器中填料腔的密封性，密封结构稳定可靠，满足三维补偿器在轴向、角向、横向及各方位补偿的需求。

Description

圆形密封三维补偿器 技术领域
本发明涉及一种圆形密封三维补偿器。
 背景技术
三维波纹补偿器是专为煤粉管道设计的一种专用补偿器，可以补偿轴向、角向、横向及各方位的合成位移；
    现在的三维波纹补偿器密封性能较差，易出现填料泄露的问题。
 技术问题
现在的三维波纹补偿器密封性能较差，易出现填料泄露的问题。
 技术解决方案
本发明解决其技术问题所采用的技术方案是：一种圆形密封三维补偿器，包括中间管、左接管以及右接管，所述左接管上设置有第一环板，所述中间管左端设置有第二环板，所述第一环板和第二环板之间密封连接有第一波纹软管，所述第二环板上设置有第一接管，所述第一接管的右端与第二环板固定连接，所述第一接管的左端与左接管外壁之间形成滑动密封配合，所述第一波纹软管内形成第一填料腔，所述第一填料腔内填充有陶瓷纤维填料；
所述右接管上设置有第三环板，所述中间管右端设置有第四环板，所述第三环板和第四环板之间密封连接有第二波纹软管，所述第三环板上设置有第二接管，所述第二接管的右端与第三环板固定连接，所述第二接管的左端与中间外壁之间形成滑动密封配合，所述第二波纹软管内形成第二填料腔，所述第二填料腔内填充有陶瓷纤维填料。
进一步的，所述第一波纹软管两端与第一环板和第二环板之间密封连接结构为：所述第一环板上设置有第三接管，所述第二环板上设置有第四接管，所述第一波纹软管的左右两端分别与第三接管、第四接管内孔壁密封连接；
所述第二波纹软管两端与第一环板和第二环板之间密封连接结构为：所述第三环板上设置有第五接管，所述第四环板上设置有第六接管，所述第二波纹软管的左右两端分别与第五接管、第六接管内孔壁密封连接。
进一步的，所述第一接管的左端与左接管外壁之间形成滑动密封结构为：所述左接管的右端外壁设置有挡环，所述第一接管左端与左接管外壁之间形成第三填料腔，所述第三填料腔内设置有密封圈和石棉扭绳；
所述第二接管的左端与中间外壁之间形成滑动密封结构为：所述中间管右端外壁设置有挡环，所述第二接管左端与中间管外壁之间形成第四填料腔，所述第四填料腔内设置有密封圈和石棉扭绳。
进一步的，所述第一环板和第二环板之间设置有多个第一紧固螺栓组件，所述第三环板和第四环板之间设置有多个第二紧固螺栓组件；
紧固螺栓组件包括螺栓杆，所述螺栓杆的两端分别设置有螺纹段，所述螺栓杆两端螺纹段分别穿过环板后与紧固螺母连接。
 有益效果
本发明的有益效果是： 提升补偿器中填料腔的密封性，密封结构稳定可靠，满足三维补偿器在轴向、角向、横向及各方位补偿的需求。
 附图说明
下面结合附图对本发明进一步说明。
图1是三维补偿器的示意图；
其中，1、中间管，2、左接管，3、右接管，4、第一波纹软管，5、第二波纹软管，6、第一接管，7、第二接管，8、密封圈。
 本发明的实施方式
现在结合附图对本发明作进一步的说明。这些附图均为简化的示意图仅以示意方式说明本发明的基本结构，因此其仅显示与本发明有关的构成。
如图1所示，一种圆形密封三维补偿器，包括中间管1、左接管2以及右接管3，左接管2上设置有第一环板，中间管1左端设置有第二环板，第一环板和第二环板之间密封连接有第一波纹软管4，第二环板上设置有第一接管6，第一接管6的右端与第二环板固定连接，第一接管6的左端与左接管2外壁之间形成滑动密封配合，第一波纹软管4内形成第一填料腔，第一填料腔内填充有陶瓷纤维填料。
右接管3上设置有第三环板，中间管1右端设置有第四环板，第三环板和第四环板之间密封连接有第二波纹软管5，第三环板上设置有第二接管7，第二接管7的右端与第三环板固定连接，第二接管7的左端与中间外壁之间形成滑动密封配合，第二波纹软管5内形成第二填料腔，第二填料腔内填充有陶瓷纤维填料。
第一波纹软管4两端与第一环板和第二环板之间密封连接结构为：第一环板上设置有第三接管，第二环板上设置有第四接管，第一波纹软管4的左右两端分别与第三接管、第四接管内孔壁密封连接；
第二波纹软管5两端与第一环板和第二环板之间密封连接结构为：第三环板上设置有第五接管，第四环板上设置有第六接管，第二波纹软管5的左右两端分别与第五接管、第六接管内孔壁密封连接。
第一接管6的左端与左接管2外壁之间形成滑动密封结构为：左接管2的右端外壁设置有挡环，第一接管6左端与左接管2外壁之间形成第三填料腔，第三填料腔内设置有密封圈8和石棉扭绳。挡环将密封圈8限制在第三填料腔内，石棉扭绳捆绑在左接管2的外壁上。
第二接管7的左端与中间外壁之间形成滑动密封结构为：中间管1右端外壁设置有挡环，第二接管7左端与中间管1外壁之间形成第四填料腔，第四填料腔内设置有密封圈8和石棉扭绳。挡环将密封圈8限制在第四填料腔内，石棉扭绳捆绑在中间管1的外壁上。
第一环板和第二环板之间设置有多个第一紧固螺栓组件，第三环板和第四环板之间设置有多个第二紧固螺栓组件；紧固螺栓组件包括螺栓杆，螺栓杆的两端分别设置有螺纹段，螺栓杆两端螺纹段分别穿过环板后与紧固螺母连接。当需要运输补偿器的时候，为防止两侧接管相对中间管1移动，安装在紧固螺栓组件。
本发明的补偿器，填料腔的密封性较高，密封结构稳定可靠，满足三维补偿器在轴向、角向、横向及各方位补偿的需求。
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。

Claims (4)

  1. 一种圆形密封三维补偿器，其特征是，包括中间管（1）、左接管（2）以及右接管（3），所述左接管（2）上设置有第一环板，所述中间管（1）左端设置有第二环板，所述第一环板和第二环板之间密封连接有第一波纹软管（4），所述第二环板上设置有第一接管（6），所述第一接管（6）的右端与第二环板固定连接，所述第一接管（6）的左端与左接管（2）外壁之间形成滑动密封配合，所述第一波纹软管（4）内形成第一填料腔，所述第一填料腔内填充有陶瓷纤维填料；
    所述右接管（3）上设置有第三环板，所述中间管（1）右端设置有第四环板，所述第三环板和第四环板之间密封连接有第二波纹软管（5），所述第三环板上设置有第二接管（7），所述第二接管（7）的右端与第三环板固定连接，所述第二接管（7）的左端与中间外壁之间形成滑动密封配合，所述第二波纹软管（5）内形成第二填料腔，所述第二填料腔内填充有陶瓷纤维填料。
  2. 根据权利要求1所述的圆形密封三维补偿器，其特征是，所述第一波纹软管（4）两端与第一环板和第二环板之间密封连接结构为：所述第一环板上设置有第三接管，所述第二环板上设置有第四接管，所述第一波纹软管（4）的左右两端分别与第三接管、第四接管内孔壁密封连接；
    所述第二波纹软管（5）两端与第一环板和第二环板之间密封连接结构为：所述第三环板上设置有第五接管，所述第四环板上设置有第六接管，所述第二波纹软管（5）的左右两端分别与第五接管、第六接管内孔壁密封连接。
  3. 根据权利要求1所述的圆形密封三维补偿器，其特征是，所述第一接管（6）的左端与左接管（2）外壁之间形成滑动密封结构为：所述左接管（2）的右端外壁设置有挡环，所述第一接管（6）左端与左接管（2）外壁之间形成第三填料腔，所述第三填料腔内设置有密封圈（8）和石棉扭绳；
    所述第二接管（7）的左端与中间外壁之间形成滑动密封结构为：所述中间管（1）右端外壁设置有挡环，所述第二接管（7）左端与中间管（1）外壁之间形成第四填料腔，所述第四填料腔内设置有密封圈（8）和石棉扭绳。
  4. 根据权利要求1所述的圆形密封三维补偿器，其特征是，所述第一环板和第二环板之间设置有多个第一紧固螺栓组件，所述第三环板和第四环板之间设置有多个第二紧固螺栓组件；
    紧固螺栓组件包括螺栓杆，所述螺栓杆的两端分别设置有螺纹段，所述螺栓杆两端螺纹段分别穿过环板后与紧固螺母连接。
PCT/CN2017/115516 2017-05-26 2017-12-12 圆形密封三维补偿器 WO2018214474A1 (zh)

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CN110805777A (zh) * 2019-11-06 2020-02-18 北京韩建河山管业股份有限公司湖北分公司 一种可在线维修的双密封式伸膨胀节

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