CN206860916U - Flow speed control valve for gas pipeline internal detector - Google Patents
Flow speed control valve for gas pipeline internal detector Download PDFInfo
- Publication number
- CN206860916U CN206860916U CN201720329082.3U CN201720329082U CN206860916U CN 206860916 U CN206860916 U CN 206860916U CN 201720329082 U CN201720329082 U CN 201720329082U CN 206860916 U CN206860916 U CN 206860916U
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- China
- Prior art keywords
- valve
- speed control
- flow speed
- internal detector
- core
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Abstract
A kind of flow speed control valve for gas pipeline internal detector is the utility model is related to, the flow speed control valve includes valve bonnet system and valve element system, and valve element system is located in valve bonnet system；Valve element system includes valve core, valve shaft and valve element gusset, thrust bearing；Valve core leads to one piece or the equally distributed valve element gusset of block of crossing is connected more with valve shaft；Internal detector of the present utility model is applied in governing speed, realizes following good result：The response of the internal detector speed of service is rapid.The change of the internal detector speed of service is steady.Internal detector speed of service modification scope is big.
Description
Technical field
The utility model belongs to Machine Design and field of non destructive testing, and specifically one kind is used for gas pipeline internal detector
Speed governing valve arrangement.
Background technology
Natural gas is the important strategic energy goods and materials in China, and pipeline has turned into the important carrier of energy transport, therefore pipeline
Operation security concerning important, pipeline detection is to ensure the effective means generally acknowledged both at home and abroad of pipe safety operation.In pipeline
The current difficult point of detection technique is on the interior test problems of gas pipeline, because gas has compressibility so that interior detection
The device speed of service is very unstable, and the speed of service of internal detector directly affects the detection quality of data, therefore controls interior detect
The speed of service of device is to ensure the successful necessary condition of detection in gas pipeline.
The content of the invention
Purpose of utility model：
The utility model provides a kind of flow speed control valve for gas pipeline internal detector, in the past existing the purpose is to solve
The problem of.
Technical scheme：
A kind of flow speed control valve for gas pipeline internal detector, it is characterised in that：The flow speed control valve includes valve bonnet system and valve
Core system, valve element system are located in valve bonnet system；Valve element system includes valve core, valve shaft and valve element gusset, thrust bearing；Valve element
Body leads to one piece or the equally distributed valve element gusset of block of crossing is connected more with valve shaft；
Valve bonnet system includes valve bonnet body and valve body terminal pad, and valve bonnet body is covered on outside valve core, and valve element physical efficiency is relative to valve bonnet
Body rotates, and valve bonnet body and valve core are the structure of rear end opening, and valve body connects opening end of the disk cover in valve bonnet body, before valve shaft
It is arranged on after holding through the front end of valve core by axle sleeve in the front end axis hole of valve bonnet body, the rear end of valve shaft passes through another axle sleeve
In the axis hole of valve body connection disk center；
Valve core surrounding is uniformly distributed one or more valve core relief ports；Valve bonnet body surrounding is uniformly distributed one or more
Valve bonnet body relief port, when valve core relief port staggers completely with valve bonnet body relief port, valve bonnet body relief port is closed.
Valve core is connected by thrust bearing with valve bonnet body phase；Valve element external surface leaves 1-2mm with valve the inner surface of the shell
Space.
Thrust bearing is arranged in the bearing groove of valve core front end.
In cone, front end and the valve bonnet body front end geometry of valve core are adapted for the front end of valve bonnet body.
Valve bonnet body surrounding is uniformly distributed place's valve bonnet body relief port, and valve core surrounding is uniformly distributed valve core relief port at 6.
Lightening hole is provided with valve element gusset.
Restricted valve core is set to produce the spacing seam of axial displacement on valve shaft.
Valve shaft connects motor, is rotated by motor-driven valve core body.
Advantageous effect：
The utility model provides a kind of flow speed control valve for gas pipeline internal detector, and internal detector does not have autonomous power
System, when being moved in gas pipeline, the flow field of gas in pipelines can provide its onward impulse, by the gas conveyed in pipeline
The pressure of transmission promotes internal detector to be run in gas pipeline as driving force.In order to control internal detector speed, it is necessary to one
The individual discharge device that can adjust gas throughput before and after internal detector, the device abbreviation flow speed control valve.Internal detector speed of service mistake
When fast, increase flow speed control valve relief port region in time, make the gas flow increase passed through from flow speed control valve relief port, reduce interior detection
The pressure difference of device upstream and downstream, so as to which internal detector reaches the purpose of the reduction speed of service.Equally, when the speed of detector is less than
During moderate value, reduce flow speed control valve aerial drainage open area, the gas flow for making to pass through from flow speed control valve relief port reduces, and increases interior detection
The pressure difference of device upstream and downstream, so as to which internal detector reaches the purpose of the reduction speed of service, reach desired value.
The utility model have developed a kind of simple, efficient, flow speed control valve applied on in-pipeline detector, have following excellent
Point：
1. general structure advantages of simple：Flow speed control valve shape takes conical design, internal detector governing speed in the duct
When, conical design can realize gas front aerial drainage, and front aerial drainage is better than side aerial drainage, and such design can be achieved speed and become
Change steady.
2. the control of valve element part is flexible：Due to being mounted with thrust bearing between valve bonnet and valve element, so valve element in the duct
When by high pressure, remain to keep flexible rotating.
3. executing agency is common, operation is reliable：Flow speed control valve only needs rotary spool in governing speed, so that it may realizes speed
Change, such design can choose common motor control mode, by the axle and flow speed control valve of motor when choosing executing agency
Axle be connected i.e. can be achieved speed control.
Internal detector of the present utility model is applied in governing speed, realizes following good result：
1. the response of the internal detector speed of service is rapid.
2. the change of the internal detector speed of service is steady.
3. internal detector speed of service modification scope is big.
Brief description of the drawings：
Fig. 1：Flow speed control valve system block diagram.
Fig. 2：For the valve element system construction drawing at a visual angle.
Fig. 3 is the valve element system construction drawing at another visual angle.
Fig. 4：Valve core schematic diagram.
Fig. 5：Valve element gusset schematic diagram.
Fig. 6：Valve bonnet body schematic diagram.
Fig. 7：Valve body terminal pad schematic diagram.
Fig. 8：Axle sleeve schematic diagram.
Fig. 9：Flow speed control valve scantling plan
Figure 10：Flow speed control valve closed mode schematic diagram
Figure 11：Flow speed control valve open mode schematic diagram.
Figure 12：It is mounted with in-pipeline detector schematic diagram of the present utility model.
1：Valve bonnet system；2：Valve element system；3：Valve bonnet body；4：Valve core；5：Valve shaft；6：Valve body terminal pad；7：Axle sleeve；8：
Valve element gusset；9：Thrust bearing；10：Spacing seam；11：Valve bonnet body relief port；12：Mounting hole is connected with valve body terminal pad；13：
Mounting hole is connected with axle sleeve；14：Axis hole；15：Bearing groove；16：Valve core relief port；17：Mounting hole is connected with axle sleeve；18：With
Valve bonnet body connects mounting hole；19：Axis hole；20：Axle sleeve mounting hole；21：Valve element gusset lightening hole；22：Valve bonnet system connecting screw；
23：Connecting bushing screw；24：Flow speed control valve relief port；25：Flow speed control valve in the utility model；26：In-pipeline detector；27：Pipe
Road
Embodiment：
The utility model provides a kind of flow speed control valve for gas pipeline internal detector, and the flow speed control valve includes valve bonnet system 1
With valve element system 2, valve element system 2 is located in valve bonnet system 1；Valve element system 2 includes valve core 4, valve shaft 5 and valve element gusset 8, pushes away
Power bearing 9；Valve core 4 leads to one piece or the equally distributed valve element gusset 8 of block of crossing is connected more with valve shaft 5；
Valve bonnet system 1 includes valve bonnet body 3 and valve body terminal pad 6, and valve bonnet body 3 is covered on outside valve core 4, and valve core 4 can be relative
Rotated in valve bonnet body 3, valve bonnet body 3 and valve core 4 are the structure of rear end opening, and valve body terminal pad 6 covers the opening in valve bonnet body 3
End, the front end of valve shaft 5 through being arranged on by axle sleeve 7 in the front end axis hole 14 of valve bonnet body 3 behind the front end of valve core 4, valve shaft 5
Rear end is arranged on by another axle sleeve 7 in the axis hole 19 at the center of valve body terminal pad 6；
The surrounding of valve core 4 is uniformly distributed one or more valve core relief ports 16；The surrounding of valve bonnet body 3 be uniformly distributed at one or
Many places valve bonnet body relief port 11, when valve core relief port 16 staggers completely with valve bonnet body relief port 11, valve bonnet body relief port 11
Close.
Valve core 4 is connected by thrust bearing 9 with valve bonnet body 3；Left with the inner surface of valve bonnet body 3 outer surface of valve core 4
1-2mm spaces, are not in contact.
Thrust bearing 9 is arranged in the bearing groove 15 of the front end of valve core 4.I.e. valve core 4 is in cone, the top of valve core 4
There is annular bearing groove 15 in outside, and thrust bearing 9 is arranged in annular bearing groove 15,
In cone, front end and the front end geometry of valve bonnet body 3 of valve core 4 are adapted for the front end of valve bonnet body 3.
The surrounding of valve bonnet body 3 is uniformly distributed valve bonnet body relief port 11 at 6, and the surrounding of valve core 4 is uniformly distributed valve core aerial drainage at 6
Mouth 16.
Lightening hole 21 is provided with valve element gusset 8.
Restricted valve core 4 is set to produce the spacing seam 10 of axial displacement on valve shaft 5.
Valve shaft 5 connects motor, is rotated by motor-driven valve core body 4.
Valve core 4 is connected by three pieces of equally distributed valve element gussets 8 with valve shaft 5, and three is integrally welded.
The utility model is described further below in conjunction with the accompanying drawings：
Shown in Fig. 1：The utility model includes：Valve bonnet system 1, valve element system 2；Valve element system 2 is located in valve bonnet system 1
Portion, shown in Fig. 8:Valve element system 2 is connected by valve shaft 5 with valve bonnet system 1.
Shown in Fig. 2：Valve element system 2 includes：Valve core 4, valve shaft 5, valve element gusset 8, thrust bearing 9；Valve core 4 passes through three
The equally distributed valve element gusset 8 of block is connected with valve shaft 5, and three is integrally welded.
Shown in Fig. 3：Valve core 4 has annular bearing groove 15 in cone, the apical lateral of valve core 4, and thrust bearing 9 is arranged on
In annular bearing groove 15, the surrounding of valve core 4 is uniformly distributed valve core relief port 16 at 6；Shown in Fig. 4：There is loss of weight on valve element gusset 8
Hole 21.
Valve bonnet system 1 includes：Valve bonnet body 3, valve body terminal pad 6, axle sleeve 7；Valve bonnet body 3 is connected by mounting hole 12 with valve body
Mounting hole 18 on disk 6 is connected with screw 22；Axle sleeve 7 is connected by mounting hole 20 and the mounting hole 13 on valve bonnet body with screw 23
Connect；Axle sleeve 7 is connected by mounting hole 20 with the mounting hole 17 in valve body terminal pad with screw 23.
Shown in Fig. 5：Valve bonnet body 3 is uniformly distributed valve bonnet body relief port 11, valve bonnet body 3 at 6 in cone, the surrounding of valve bonnet body 3
There is axis hole 14 on top, and the outside of axis hole 14 is mounting hole 13, and mounting hole 12 is arranged at the bottom of valve bonnet body 3；Shown in Fig. 6：Valve body terminal pad 6 is in
There is mounting hole 18 circle, the outer ring of valve body terminal pad 6, and the center of valve body terminal pad 6 is axis hole 19, and the outside of axis hole 19 is mounting hole 17
Shown in Fig. 8：Valve element system 2 is connected in the inside of valve bonnet system 1, valve element system 2 by valve shaft 5 with valve bonnet system 1.Valve
Installed thrust bearing 9 in the bearing groove 15 on the top of core body 4, valve core 4 are connected by thrust bearing 9 with valve bonnet body 3.
Shown in Fig. 9：Speed governing hair is closed, i.e., the relief port 11 on valve bonnet body and the phase of relief port 16 on valve core
Mistake, both relief ports are mutually blocked, and the aperture area of flow speed control valve relief port 24 is 0.
Shown in Figure 10：Flow speed control valve is in open mode, i.e., the relief port 11 on valve bonnet body and the relief port 16 on valve core
Intersecting or coincidence forms a certain size angle,
Rotary valve core body 4 can adjust the aperture area of flow speed control valve relief port 24.
Utility model works principle：
Gas pipeline internal detector does not have autonomous dynamical system, when being moved in gas pipeline, the stream of gas in pipelines
Field can provide its onward impulse, by the pressure that the gas conveyed in pipeline transmits as driving force, promote internal detector defeated
Run in feed channel.In order to control internal detector speed, flow speed control valve of the present utility model is arranged on internal detector (see figure
11).Flow speed control valve is closed under normal circumstances（See Fig. 9）, at this moment air in pipeline will not be flowed through among internal detector,
The pressure of gas is acted on internal detector completely, when the internal detector speed of service is too fast in the duct, passes through rotation in time
Valve core 4 increases the area of flow speed control valve relief port 24, flow speed control valve is in open mode（See Figure 10）, make from flow speed control valve relief port 24
The gas flow increase of process, the pressure difference of internal detector upstream and downstream is reduced, so as to which internal detector reaches reduction operation speed
The purpose of degree.Equally, when the speed of detector is too small, reduce the area of flow speed control valve relief port 24, make from flow speed control valve relief port 24
The gas flow of process reduces, and increases the pressure difference of internal detector upstream and downstream, so as to which internal detector reaches reduction operation speed
The purpose of degree, reach desired value.
The utility model efficiently solves the problem that speed is controlled when internal detector is run in gas pipeline, ensure that
The even running of internal detector, substantially increase the accuracy of detection of internal detector.
Claims (8)
- A kind of 1. flow speed control valve for gas pipeline internal detector, it is characterised in that：The flow speed control valve includes valve bonnet system（1）And valve Core system（2）, valve element system（2）Positioned at valve bonnet system（1）It is interior；Valve element system（2）Including valve core（4）, valve shaft（5）And valve element Gusset（8）, thrust bearing（9）；Valve core（4）Logical one piece or more equally distributed valve element gussets of block excessively（8）With valve shaft（5）Phase Even；Valve bonnet system（1）Including valve bonnet body（3）With valve body terminal pad（6）, valve bonnet body（3）Cover on valve core（4）Outside, valve core （4）Can be relative to valve bonnet body（3）Rotate, valve bonnet body（3）And valve core（4）It is the structure of rear end opening, valve body terminal pad（6） Cover in valve bonnet body（3）Opening end, valve shaft（5）Front end pass through valve core（4）Front end after pass through axle sleeve（7）Installed in valve bonnet Body（3）Front end axis hole（14）It is interior, valve shaft（5）Rear end pass through another axle sleeve（7）Installed in valve body terminal pad（6）Center Axis hole（19）It is interior；Valve core（4）Surrounding is uniformly distributed one or more valve core relief ports（16）；Valve bonnet body（3）Surrounding is uniformly distributed at one Or many places valve bonnet body relief port（11）, when valve core relief port（16）With valve bonnet body relief port（11）When staggering completely, valve bonnet body Relief port（11）Close.
- 2. the flow speed control valve according to claim 1 for gas pipeline internal detector, it is characterised in that：Valve core（4）It is logical Cross thrust bearing（9）With valve bonnet body（3）It is connected；Valve core（4）Outer surface and valve bonnet body（3）Inner surface leaves 1-2mm spaces.
- 3. the flow speed control valve according to claim 2 for gas pipeline internal detector, it is characterised in that：Thrust bearing（9） Installed in valve core（4）The bearing groove of front end（15）It is interior.
- 4. the flow speed control valve for gas pipeline internal detector according to any one of claim 1-3, it is characterised in that：Valve Cover body（3）Front end in cone, valve core（4）Front end and valve bonnet body（3）Front end geometry is adapted.
- 5. the flow speed control valve according to claim 1 for gas pipeline internal detector, it is characterised in that：Valve bonnet body（3）Four It is uniformly distributed valve bonnet body relief port at 6 week（11）, valve core（4）Surrounding is uniformly distributed valve core relief port at 6（16）.
- 6. the flow speed control valve according to claim 1 for gas pipeline internal detector, it is characterised in that：Valve element gusset（8） On be provided with lightening hole（21）.
- 7. the flow speed control valve according to claim 1 for gas pipeline internal detector, it is characterised in that：In valve shaft（5）On Restricted valve core is set（4）Produce the spacing seam of axial displacement（10）.
- 8. the flow speed control valve according to claim 1 for gas pipeline internal detector, it is characterised in that：Valve shaft（5）Connection Motor, pass through motor-driven valve core body（4）Rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720329082.3U CN206860916U (en) | 2017-03-31 | 2017-03-31 | Flow speed control valve for gas pipeline internal detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720329082.3U CN206860916U (en) | 2017-03-31 | 2017-03-31 | Flow speed control valve for gas pipeline internal detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206860916U true CN206860916U (en) | 2018-01-09 |
Family
ID=60816682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720329082.3U Expired - Fee Related CN206860916U (en) | 2017-03-31 | 2017-03-31 | Flow speed control valve for gas pipeline internal detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206860916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931180A (en) * | 2017-03-31 | 2017-07-07 | 中国石油化工股份有限公司天然气分公司 | For the flow speed control valve of gas pipeline internal detector |
-
2017
- 2017-03-31 CN CN201720329082.3U patent/CN206860916U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931180A (en) * | 2017-03-31 | 2017-07-07 | 中国石油化工股份有限公司天然气分公司 | For the flow speed control valve of gas pipeline internal detector |
| CN106931180B (en) * | 2017-03-31 | 2024-01-09 | 中国石油化工股份有限公司天然气分公司 | Speed regulating valve for detector in gas pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20210331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |