CN211550831U - Water pump and turbine top cover high-pressure pipeline connecting structure - Google Patents
Water pump and turbine top cover high-pressure pipeline connecting structure Download PDFInfo
- Publication number
- CN211550831U CN211550831U CN201922162216.9U CN201922162216U CN211550831U CN 211550831 U CN211550831 U CN 211550831U CN 201922162216 U CN201922162216 U CN 201922162216U CN 211550831 U CN211550831 U CN 211550831U
- Authority
- CN
- China
- Prior art keywords
- top cover
- pipe body
- side wall
- water pump
- snap ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a water pump turbine top cap high pressure line draw bail, the pipeline draw bail includes: the end part of the pipe body penetrates through the side wall of the top cover, and a groove structure surrounding the pipe body is arranged on the outer side wall of the pipe body; one side of the clamping ring is clamped in the groove structure, and the other side of the clamping ring is clamped in a clamping groove preset in the edge, adjacent to the pipe, of the side wall of the top cover; and the flange is connected with the pipe body and is closed on the side wall of the top cover. Through the shape structure and the cooperation relation setting of body, snap ring and flange among this pipeline draw bail, accomplished to the body towards the inside or outside spacing of motion of top cap, also convenient to use later stage maintenance process's dismantlement in the while to a very big degree. The pipe body in the pipe connection structure is connected without being welded in the inner wall of the top cover like the traditional operation, and the problem that destructive disassembly is needed in the later maintenance process is avoided.
Description
Technical Field
The utility model belongs to the technical field of the body hookup is fixed among the hydraulic turbine, especially, relate to a hydraulic turbine top cap high-pressure line draw bail.
Background
As shown in fig. 1, the existing pump turbine pipeline is provided with a hole on the outer wall of the top cover, and a radial sealing element 104 is used for sealing the space between a steel pipe 103 and the outer hole, so as to increase the flexibility of the pipeline and prevent the problem of weld cracking caused by vibration of a high-pressure pipeline; the outer side is attached to the top cover side wall 102 by a flange 105 to provide for the removable function of the pipeline.
The pipeline connecting structure 100 can be used when the pressure is low, but when the pressure of the pipeline is high, the flexible expansion amount formed by the radial sealing element 104 is uncontrollable, and the high-pressure water can push the whole pipeline out of the inner wall 102 of the top cover to cause a major accident of flooding a factory building.
And then, a plurality of follow-up units adopt the gusset to weld the internal pipeline to be dead in the top cap, then can cause the pipeline can't dismantle. The rib plates are cut off and replaced during unit maintenance every time, the pipeline loses flexibility after being welded, and the joints of the rib plates and the pipeline are cracked and leak water after long-term operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to overcome the problems of the prior art, the water pump and turbine top cover high-pressure pipeline connecting structure is convenient to disassemble, assemble and maintain and can adapt to various water pressures.
The purpose of the utility model is realized through the following technical scheme:
a water pump turbine top cap high pressure line connection structure, the line connection structure includes: the end part of the pipe body penetrates through the side wall of the top cover, and a groove structure surrounding the pipe body is arranged on the outer side wall of the pipe body; one side of the clamping ring is clamped in the groove structure, and the other side of the clamping ring is clamped in a clamping groove preset in the edge, adjacent to the pipe, of the side wall of the top cover; and the flange is connected with the pipe body and is closed on the side wall of the top cover.
Through the shape structure and the cooperation relation setting of body, snap ring and flange among this pipeline draw bail, accomplished to the body towards the inside or outside spacing of motion of top cap, also convenient to use later stage maintenance process's dismantlement in the while to a very big degree. The pipe body in the pipe connection structure is connected without being welded in the inner wall of the top cover like the traditional operation, and the problem that destructive disassembly is needed in the later maintenance process is avoided.
According to a preferred embodiment, a gap is provided between the snap ring and the groove structure. Through set up the clearance between snap ring and groove structure, guaranteed the flexonics between snap ring and body, reserved the inflation volume for body and/or snap ring, avoided body and snap ring because of the coefficient of thermal expansion difference between, damage connection structure when causing the thermal expansion in the use to this pipeline draw bail's structural stability has been increased.
According to a preferred embodiment, a plurality of radial seals are provided between the tubular body and the side wall of the top cover.
According to a preferred embodiment, an axial seal is provided between the flange and the side wall of the top cover.
According to a preferred embodiment, the radial seal and/or the axial seal are formed by a rubber ring body.
According to a preferred embodiment, the snap ring is formed by two half ring bodies which are matched with the groove structure.
According to a preferred embodiment, the cross section of the snap ring is a square cross section.
According to a preferred embodiment, the gap between the snap ring and the groove structure is arranged along the radial direction of the pipe body.
The main scheme and the further selection schemes of the utility model can be freely combined to form a plurality of schemes, which are the schemes that can be adopted and claimed by the utility model; and the utility model discloses also can the independent assortment between (each non-conflict selection) selection and between other choices. The technical solutions to be protected by the present invention, which are various combinations that can be known to those skilled in the art based on the prior art and the common general knowledge after understanding the present invention, are not exhaustive herein.
The utility model has the advantages that:
through the utility model discloses a shape structure and the cooperation relation setting of body, snap ring and flange among the pipeline draw bail have accomplished to the body in the inside or outside motion's of top cap spacing to adapt to the characteristics of water pump turbine normal water way both-way flow. Meanwhile, the disassembly of the later maintenance process of a user is facilitated to a great extent. The pipe body in the pipe connection structure is connected without being welded on the inner wall of the top cover like the traditional operation, and the problem that destructive disassembly is needed in the later maintenance process is avoided.
Drawings
FIG. 1 is a schematic view of a conventional piping connection structure;
FIG. 2 is a schematic view of the connection structure of the high-pressure pipeline of the present invention;
wherein, 100-pipeline connection structure, 101-top cover, 102-top cover side wall, 103-steel pipe, 104-radial sealing element, 105-flange, 200-pipeline connection structure, 201-top cover, 202-flange, 203-axial sealing element, 204-pipe body, 205-radial sealing element and 206-snap ring.
Detailed Description
The following non-limiting examples serve to illustrate the invention.
Example 1
Referring to fig. 2, there is shown a high pressure pipeline coupling structure of a water pump and turbine head, the pipeline coupling structure 200 at least includes: flange 202, tubular body 204, and snap ring 206. The flange 202 is used for connecting and fixing a pipeline to be connected with the pipe body 204. The pipe body 204 is used for guiding in or guiding out high-pressure water in the water pump turbine. The snap ring 206 is used to complete the position limiting of the tube 204.
Preferably, the end of the tube 204 is disposed through the sidewall of the top cover 201. So as to realize the water flow input and output in the lateral direction. Further, the pipe body 204 may be made of ZG04Cr13Ni4Mo material, so that the pipe body 204 has higher strength and the structural reliability is improved.
Preferably, a plurality of radial seals 205 are disposed between the tube 204 and the sidewall of the top cap 201. The radial seal 205 is disposed around the outside of the tube 204 to complete a radial seal between the tube 204 and the sidewall of the cap 201. Meanwhile, through the radial sealing element 205, flexible connection between the side walls of the pipe body 204 and the top cover 201 is ensured, and the problem that the connection structure is damaged when the heat expansion is caused in the use process due to different thermal expansion coefficients of the side walls of the pipe body 204 and the top cover 201 is solved.
Further, a groove structure surrounding the tube body 204 is provided on the outer side wall of the tube body 204. The design of the groove structure reserves a containing space for the clamping of the snap ring 206 to the pipe body 204.
Preferably, one side of the snap ring 206 is snapped into the groove structure. The other side of the snap ring 206 is clamped in a preset clamping groove in the edge of the side wall of the top cover 201 adjacent to the pipe body 204. Therefore, through the design of the structure and the assembly relation of the snap ring 206, the limit of the movement of the pipe body 204 towards the inner side direction of the side wall of the top cover 201 is completed.
Further, the snap ring 206 is formed by two half ring bodies matched with the groove structure. The snap ring 206 is designed into a two-part half-ring structure, so that the snap ring 206 is convenient to mount and dismount. Preferably, the cross-section of the snap ring 206 may be circular or square, or even other regular or irregular cross-sections.
Preferably, a gap is provided between the snap ring 206 and the groove structure. Through set up the clearance between snap ring 206 and groove structure, guaranteed the flexonics between snap ring 206 and body 204, reserved the inflation volume for body 204 and/or snap ring 206, avoided body 204 and snap ring 206 because of the coefficient of thermal expansion difference, damage connection structure's problem when having avoided causing the heat expansion in the use to this pipeline connection structure's structural stability has been increased.
Further, the cross-section of the snap ring 206 is a square cross-section, and the gap between the snap ring 206 and the groove structure is arranged along the radial direction of the pipe body 204. The snap ring 206 does not have a gap in the limiting direction of the pipe 204, which is beneficial to ensuring the stability of the pipe, and avoids the pipe 204 from vibrating when conveying high-pressure water.
Preferably, the flange 202 is connected to the tubular body 204 and fits over the sidewall of the top cover 201. Therefore, the limit arrangement of the pipe body 204 towards the outer side of the side wall of the top cover 201 is completed through the matching design between the flange 202 and the pipe body 204.
Further, an axial sealing member 203 is disposed between the flange 202 and the sidewall of the top cover 201. The sealing arrangement in the axial direction between the flange 202 and the side wall of the top cover 201 is completed.
Preferably, the radial seal 205 and/or the axial seal 203 may be made of rubber rings, or even rings made of other flexible materials.
When the pipeline connecting structure is installed, a plurality of radial sealing elements 205 are sleeved on the side wall direction of the end part of the pipe body 205. Then, the pipe body 205 is penetrated through the side wall of the top cover 201, the snap ring 206 is clamped in the groove structure reserved on the pipe body 204, and then the pipe body 204 is moved towards the inner side of the side wall of the top cover 201, so that the snap ring 206 is simultaneously nested in the clamping groove on the side wall of the top cover 201, and the limit of the movement of the pipe body 204 towards the inner side direction of the side wall of the top cover 201 is completed. Then, the flange 202 is butted with the pipe body 204, and is screwed on the side wall of the top cover 201 through bolts to realize the assembly of the pipeline connecting structure 200.
And simultaneously, through the utility model discloses a shape structure and the cooperation relation setting of body 204, snap ring 206 and flange 202 among the pipeline draw bail have accomplished body 204 spacing towards the inside or outside motion of top cap 201 to the characteristics of water route bidirectional flow in the adaptation pump turbine. Meanwhile, the disassembly of the later maintenance process of a user is facilitated to a great extent. The pipe body 204 in the pipe connection structure is connected without being welded in the inner wall of the top cover 201 like the traditional operation, and the problem that destructive disassembly is needed in the later maintenance process is avoided.
The aforesaid the utility model discloses basic embodiment and each further alternative can the independent assortment in order to form a plurality of embodiments, is the utility model discloses can adopt and claim the embodiment of protection. In the scheme of the utility model, each selection example can be combined with any other basic examples and selection examples at will.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a water pump turbine top cap high pressure line draw bail which characterized in that, the line draw bail includes:
the end part of the pipe body penetrates through the side wall of the top cover, and a groove structure surrounding the pipe body is arranged on the outer side wall of the pipe body;
one side of the clamping ring is clamped in the groove structure, and the other side of the clamping ring is clamped in a clamping groove preset in the edge, adjacent to the pipe, of the side wall of the top cover;
and the flange is connected with the pipe body and is closed on the side wall of the top cover.
2. The water pump turbine head high pressure pipe coupling structure of claim 1, wherein a gap is provided between the snap ring and the groove structure.
3. The water pump turbine head high pressure pipe coupling structure of claim 1, wherein a plurality of radial seals are provided between the pipe body and the side wall of the head.
4. The water pump turbine head high pressure pipe coupling structure of claim 1, wherein an axial seal is provided between the flange and the side wall of the head.
5. The water pump turbine head high pressure pipe coupling structure of claim 2, wherein the snap ring is formed by two half ring bodies matching with the groove structure.
6. The water pump turbine head high pressure pipe coupling structure of claim 5, wherein the cross section of the snap ring is a square cross section.
7. The coupling structure for the high pressure pipeline of the water pump turbine head as claimed in claim 6, wherein the gap between the snap ring and the groove structure is formed along the radial direction of the pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162216.9U CN211550831U (en) | 2019-12-05 | 2019-12-05 | Water pump and turbine top cover high-pressure pipeline connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162216.9U CN211550831U (en) | 2019-12-05 | 2019-12-05 | Water pump and turbine top cover high-pressure pipeline connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211550831U true CN211550831U (en) | 2020-09-22 |
Family
ID=72504785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922162216.9U Active CN211550831U (en) | 2019-12-05 | 2019-12-05 | Water pump and turbine top cover high-pressure pipeline connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211550831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685638A (en) * | 2021-08-23 | 2021-11-23 | 南通大学 | Blind-mate joint with low flow resistance and high pressure bearing capacity |
-
2019
- 2019-12-05 CN CN201922162216.9U patent/CN211550831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685638A (en) * | 2021-08-23 | 2021-11-23 | 南通大学 | Blind-mate joint with low flow resistance and high pressure bearing capacity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109854818B (en) | Sealed pipeline elasticity cross cabin vibration isolation device | |
| CN201462207U (en) | Sealing device between protective well through hole and underground pipeline | |
| CN211550831U (en) | Water pump and turbine top cover high-pressure pipeline connecting structure | |
| CN105518368A (en) | Double hose device | |
| CN206943631U (en) | A kind of vacuum sealing tube telescopic with adaptive guard function | |
| CN207112202U (en) | Self sealss sleeve expansion joint | |
| CN110985781A (en) | Water pump and turbine top cover high-pressure pipeline connecting structure | |
| KR101997671B1 (en) | Pipe coupling structure | |
| KR20120038745A (en) | Apparatus for connecting plastic pipes | |
| CN210034703U (en) | Sealing connection device for water supply and drainage pipelines | |
| RU2221146C1 (en) | Device sealing well-head | |
| CN105221874A (en) | The pipe coupling of full-bore inputting type | |
| CN212080489U (en) | Multilayer anti-burst PE pipe | |
| CN205118523U (en) | Full latus rectum top income formula pipe joint | |
| CN212131616U (en) | Municipal drainage pipeline connecting pipe | |
| CN210531810U (en) | Quick-assembly rubber pipe joint | |
| CN210397980U (en) | High leakproofness concrete conveying pipe | |
| CN112032750A (en) | Steel inner cylinder chimney in flange-free flexible sealing connection | |
| CN219317907U (en) | Double-arm corrugated pipe with connecting and fastening structure | |
| CN219062689U (en) | HDPE double-wall corrugated pipe | |
| CN211550549U (en) | Take water force control valves of flexible function of taking precautions against earthquakes | |
| CN210623859U (en) | Double-wall pipe flange for marine gas pipeline | |
| CN212564798U (en) | Stainless steel corrugated pipe adopting airtight cabin type protection | |
| CN213954609U (en) | Double-sealing connection structure for pipeline | |
| CN219734526U (en) | Engineering pipeline heat preservation anticorrosion structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220607 Address after: 188 Huanghe West Road, Jingyang District, Deyang City, Sichuan Province Patentee after: DONGFANG ELECTRIC MACHINERY Co.,Ltd. Patentee after: Jilin Dunhua pumped storage Co., Ltd Address before: 188 Huanghe West Road, Jingyang District, Deyang City, Sichuan Province Patentee before: DONGFANG ELECTRIC MACHINERY Co.,Ltd. |