CN202674700U - Expansion plugging mechanism of plugging device - Google Patents
Expansion plugging mechanism of plugging device Download PDFInfo
- Publication number
- CN202674700U CN202674700U CN 201220268179 CN201220268179U CN202674700U CN 202674700 U CN202674700 U CN 202674700U CN 201220268179 CN201220268179 CN 201220268179 CN 201220268179 U CN201220268179 U CN 201220268179U CN 202674700 U CN202674700 U CN 202674700U
- Authority
- CN
- China
- Prior art keywords
- chuck
- plugging
- hydraulic cylinder
- oil hydraulic
- expanding block
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model provides an expansion plugging mechanism of a plugging device. The expansion plugging mechanism comprises a driving shaft, a control bar frame, a moving frame, a contact frame and a plug. A plugging cup is mounted on the plug, and an expansion mechanism is arranged on the plugging cup. The expansion plugging mechanism is simple in structure, reliable in sealing, high in bearing pressure, effective in plugging a pipeline and high in economy and safety.
Description
Technical field
The utility model relates to a kind of seal arrangement, is specifically related to a kind of swelling plugging mechanism of oil pipeline disc type plugging device, is applicable to the shutoff on the pipeline, medium and the non-stopping transportations such as oil, gas, water.
Background technique
In the time of will carrying out local repair in pipeline generation obstruction or because of damage, usually use first plugging device with in the local shutoff that goes wrong on the pipeline, go again to dredge or place under repair.What the plugging device of producing at present adopted usually all is a plug, use a plug can be rough because of inner-walls of duct, the reason such as uneven has leakage to a certain extent, therefore its plugging effect is very bad, and this just becomes a key that solves the shutoff problem on the oil pipeline.
At present, people are in order to strengthen plugging effect, improve Security, adopt the method for mixing shutoff, its structure is comprised of a single block head and a shutoff leather bag, yet this plugging device in construction than multiplex 2-3 shutoff threeway of single plug plugging device and a leather bag, its cost is high, and the activity duration is long, labor intensity is large, and maximum shortcoming is the highest pressure that can only bear 0.7Mpa of shutoff leather bag, greatly dangerous, in case the leather bag cracking will cause serious consequence.
Summary of the invention
The purpose of this utility model provides a kind of swelling plugging mechanism of plugging device, and it is simple in structure, and sealing is reliable, bears pressure high, and plugging effect is very good when being used for blocking pipe, and very high Economy and Security are arranged.
The technical solution of the utility model: a kind of swelling plugging mechanism of plugging device, comprise live axle, control lever bracket, movable support body, contact support body and plug, plugging leather cup is installed on the plug, plugging leather cup is provided with expansion mechanism.
Described expansion mechanism comprises oil hydraulic cylinder and distensible ring, distensible ring is positioned at the bowl of plugging leather cup, wherein the end of oil hydraulic cylinder is provided with through hole, side towards oil hydraulic cylinder on the distensible ring is provided with link, link is provided with through hole, and two through holes connect by bearing pin makes oil hydraulic cylinder become as a whole with distensible ring.
The number of described oil hydraulic cylinder and link respectively is two or more.
Described expansion mechanism comprises oil hydraulic cylinder and expanding block, expanding block is connected with the end of oil hydraulic cylinder with being connected in succession by connecting rod, connecting rod and win in succession between rotate by axle, expanding block is folded in chuck A or the chuck B, chuck A or chuck B are positioned at the bowl of plugging leather cup, and expanding block slides together with the slideway of connecting rod in chuck A or chuck B.
Described expansion mechanism comprises oil hydraulic cylinder and expanding block, expanding block is connected with the end of oil hydraulic cylinder with being connected in succession by connecting rod, connecting rod and win in succession between rotate by axle, expanding block is folded between chuck A and the chuck B, chuck A and chuck B are positioned at the bowl of plugging leather cup, and expanding block is together with sliding in the slideway of connecting rod between chuck A and chuck B.
The number of described expanding block for two or more and circularize be arranged in the chuck A or chuck B in or between chuck A and the chuck B, be connected to grafting between two adjacent expanding blocks.
In chuck A or the chuck B, be provided with draw-in groove in the direction vertical with slideway, transversely be provided with projection on the connecting rod between oil hydraulic cylinder and the expanding block, projection drops in the draw-in groove when expanding block opens fully.
The beneficial effects of the utility model: owing to be provided with expansion mechanism at plugging leather cup, so that plugging mechanism has strengthened again its plugging effect on the basis of originally only having a plug; Adopt oil hydraulic cylinder to advance distensible ring to make the structure of plugging leather cup swelling, it is simple in structure, and is easy to use, has very high Economy; Adopt expanding block to be connected with the end of oil hydraulic cylinder by connecting rod and expanding block together with connecting rod in chuck A or in the chuck B or the structure of sliding in the slideway between chuck A and the chuck B, so that sealing is more reliable, bear pressure higher, so plugging effect is very good; Because the number of expanding block is for two or more and circularize and be arranged in the chuck A or in the chuck B or between chuck A and the chuck B, be connected to grafting between two adjacent expanding blocks, in chuck A or the chuck B and the direction vertical with slideway be provided with draw-in groove, transversely be provided with projection on the connecting rod between oil hydraulic cylinder and the expanding block, projection drops in the draw-in groove when expanding block opens fully, said structure plays position-limiting action, so that expanding block slides at the edge that distending stops to a certain extent the time continuing to chuck, so not only guarantee the sealability of plug and born pressure, and make not easy damaged of plugging leather cup, therefore prolonged the working life of plug.
Description of drawings
Fig. 1 is the utility model embodiment one structural representation.
Fig. 2 is the utility model embodiment two structural representation.
Fig. 3 is the structural representation of chuck A or chuck B.
Fig. 4 is the relational structure schematic diagram of expanding block and connecting rod.
Fig. 5 is the annexation schematic diagram of expanding block I and expanding block II.
Fig. 6 be connecting rod and win in succession between coupled condition schematic diagram one.
Fig. 7 be connecting rod and win in succession between coupled condition schematic diagram two.
Embodiment
Embodiment one:
As shown in Figure 1, a kind of swelling plugging mechanism of plugging device comprises live axle 1, control lever bracket 2, movable support body 3, contact support body 4 and plug 5, and plugging leather cup 6 is installed on the plug 5, and plugging leather cup 6 is provided with expansion mechanism.
Described expansion mechanism comprises oil hydraulic cylinder 16 and distensible ring 8, distensible ring 8 is positioned at the bowl of plugging leather cup 6, wherein the end of oil hydraulic cylinder 5 is provided with through hole, side towards oil hydraulic cylinder 16 on the distensible ring 8 is provided with link 9, link 9 is provided with through hole, and two through holes connect by bearing pin makes 8 one-tenth of oil hydraulic cylinder 16 and distensible rings as a whole.
The number of described oil hydraulic cylinder 16 and link 9 respectively is two or more.
Working principle: during use, primer fluid cylinder pressure 16 is done and is pushed ahead action, and distensible ring 8 is distending under the effect of oil hydraulic cylinder 16, and its edge props up plugging leather cup 6, has further strengthened the tightness of plugging leather cup 6 this moment; When not using, oil hydraulic cylinder 16 is done backward movement, and this moment, oil hydraulic cylinder 16 drive distensible rings 8 were regained.
Embodiment two:
To shown in Figure 7, a kind of swelling plugging mechanism of plugging device comprises live axle 1, control lever bracket 2, movable support body 3, contact support body 4 and plug 5, and plugging leather cup 6 is installed on the plug 5 such as Fig. 2, and plugging leather cup 6 is provided with expansion mechanism.
Described expansion mechanism comprises oil hydraulic cylinder 16 and distensible ring 8, distensible ring 8 is positioned at the bowl of plugging leather cup 6, wherein the end of oil hydraulic cylinder 5 is provided with through hole, side towards oil hydraulic cylinder 16 on the distensible ring 8 is provided with link 9, link 9 is provided with through hole, and two through holes connect by bearing pin makes 8 one-tenth of oil hydraulic cylinder 16 and distensible rings as a whole.
The number of described oil hydraulic cylinder 16 and link 9 respectively is two or more.
Described expansion mechanism comprises oil hydraulic cylinder 16 and expanding block 7, expanding block 7 17 is connected with the end of oil hydraulic cylinder 16 with being connected in succession by connecting rod 10, connecting rod 10 and win in succession and rotate by axle between 17, expanding block 7 is folded in chuck A11 or the chuck B12, chuck A11 or chuck B12 are positioned at the bowl of plugging leather cup 6, and expanding block 7 slides together with the slideway 13 of connecting rod 10 in chuck A11 or chuck B12.
The number of described expanding block 7 for two or more and circularize be arranged in the chuck A11 or chuck B12 in, be connected to grafting between two adjacent expanding blocks 7.
In chuck A11 or chuck B12, be provided with draw-in groove 18 in the direction vertical with slideway 13, transversely be provided with projection on the connecting rod 10 between oil hydraulic cylinder 16 and the expanding block 7, projection drops in the draw-in groove 18 when expanding block 7 opens fully.
Working principle: during use, primer fluid cylinder pressure 16 is done and is pushed ahead action, oil hydraulic cylinder 16 is by advancing connecting rod 10 to make expanding block 7 in slideway 13 interior slips, expanding block 7 slides to the outer rim of chuck A11 or chuck B12, until dropping into the expanding block 7 that is stuck in the draw-in groove 18 then, the projection on the connecting rod 10 stops to slide, this moment, expanding block 7 opened fully, and its edge props up plugging leather cup 6; When not using, oil hydraulic cylinder 16 is done backward movement, and this moment, oil hydraulic cylinder 16 drove expanding block 7 withdrawals by connecting rod 10.
Embodiment three:
To shown in Figure 7, a kind of swelling plugging mechanism of plugging device comprises live axle 1, control lever bracket 2, movable support body 3, contact support body 4 and plug 5, and plugging leather cup 6 is installed on the plug 5 such as Fig. 2, and plugging leather cup 6 is provided with expansion mechanism.
Described expansion mechanism comprises oil hydraulic cylinder 16 and distensible ring 8, distensible ring 8 is positioned at the bowl of plugging leather cup 6, wherein the end of oil hydraulic cylinder 5 is provided with through hole, side towards oil hydraulic cylinder 16 on the distensible ring 8 is provided with link 9, link 9 is provided with through hole, and two through holes connect by bearing pin makes 8 one-tenth of oil hydraulic cylinder 16 and distensible rings as a whole.
The number of described oil hydraulic cylinder 16 and link 9 respectively is two or more.
Described expansion mechanism comprises oil hydraulic cylinder 16 and expanding block 7, expanding block 7 17 is connected with the end of oil hydraulic cylinder 16 with being connected in succession by connecting rod 10, connecting rod 10 and win in succession and rotate by axle between 17, expanding block 7 is folded between chuck A11 and the chuck B12, chuck A11 and chuck B12 are positioned at the bowl of plugging leather cup 6, and expanding block 7 is together with the slideway 13 interior slips of connecting rod 10 between chuck A11 and chuck B12.
The number of described expanding block 7 is for two or more and circularize and be arranged between chuck A11 and the chuck B12, is connected to grafting between two adjacent expanding blocks 7.
In chuck A11 or chuck B12, be provided with draw-in groove 18 in the direction vertical with slideway 13, transversely be provided with projection on the connecting rod 10 between oil hydraulic cylinder 16 and the expanding block 7, projection drops in the draw-in groove 18 when expanding block 7 opens fully.
Working principle: during use, primer fluid cylinder pressure 16 is done and is pushed ahead action, oil hydraulic cylinder 16 is by advancing connecting rod 10 to make expanding block 7 in slideway 13 interior slips, expanding block 7 slides to the outer rim of chuck A11 and chuck B12, until dropping into the expanding block 7 that is stuck in the draw-in groove 18 then, the projection on the connecting rod 10 stops to slide, this moment, expanding block 7 opened fully, and its edge props up plugging leather cup 6; When not using, oil hydraulic cylinder 16 is done backward movement, and this moment, oil hydraulic cylinder 16 drove expanding block 7 withdrawals by connecting rod 10.
Claims (7)
1. the swelling plugging mechanism of a plugging device, comprise live axle (1), control lever bracket (2), movable support body (3), contact support body (4) and plug (5), plugging leather cup (6) is installed on the plug (5), it is characterized in that: plugging leather cup (6) is provided with expansion mechanism.
2. the swelling plugging mechanism of a kind of plugging device as claimed in claim 1, it is characterized in that: described expansion mechanism comprises oil hydraulic cylinder (16) and distensible ring (8), distensible ring (8) is positioned at the bowl of plugging leather cup (6), wherein the end of oil hydraulic cylinder (5) is provided with through hole, the upper side towards oil hydraulic cylinder (16) of distensible ring (8) is provided with link (9), link (9) is provided with through hole, and two through holes connect by bearing pin makes oil hydraulic cylinder (16) become as a whole with distensible ring (8).
3. the swelling plugging mechanism of a kind of plugging device as claimed in claim 2 is characterized in that: the number of described oil hydraulic cylinder (16) and link (9) respectively is two or more.
4. the swelling plugging mechanism of a kind of plugging device as claimed in claim 1, it is characterized in that: described expansion mechanism comprises oil hydraulic cylinder (16) and expanding block (7), expanding block (7) is connected with (17) end with oil hydraulic cylinder (16) of being connected in succession by connecting rod (10), connecting rod (10) and win in succession and rotate by axle between (17), expanding block (7) is folded in chuck A(11) or chuck B(12) in, chuck A(11) or chuck B(12) be positioned at the bowl of plugging leather cup (6), expanding block (7) together with connecting rod (10) at chuck A(11) or chuck B(12) in slideway (13) slip.
5. the swelling plugging mechanism of a kind of plugging device as claimed in claim 1, it is characterized in that: described expansion mechanism comprises oil hydraulic cylinder (16) and expanding block (7), expanding block (7) is connected with (17) end with oil hydraulic cylinder (16) of being connected in succession by connecting rod (10), connecting rod (10) and win in succession and rotate by axle between (17), expanding block (7) is folded in chuck A(11) and chuck B(12) between, chuck A(11) and chuck B(12) be positioned at plugging leather cup (6) the bowl, expanding block (7) together with connecting rod (10) at chuck A(11) and chuck B(12) between slideway (13) in the slip.
6. such as the swelling plugging mechanism of claim 4 or 5 described a kind of plugging devices, it is characterized in that: the number of described expanding block (7) for two or more and circularize be arranged in chuck A(11) in or chuck B(12) in or chuck A(11) and chuck B(12) between, be connected to grafting between adjacent two expanding blocks (7).
7. the swelling plugging mechanism of a kind of plugging device as claimed in claim 6, it is characterized in that: at chuck A(11) or chuck B(12) in, be provided with draw-in groove (18) in the direction vertical with slideway (13), transversely be provided with projection on the connecting rod (10) between oil hydraulic cylinder (16) and the expanding block (7), expanding block (7) when opening fully projection drop in the draw-in groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220268179 CN202674700U (en) | 2012-06-08 | 2012-06-08 | Expansion plugging mechanism of plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220268179 CN202674700U (en) | 2012-06-08 | 2012-06-08 | Expansion plugging mechanism of plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674700U true CN202674700U (en) | 2013-01-16 |
Family
ID=47495606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220268179 Expired - Lifetime CN202674700U (en) | 2012-06-08 | 2012-06-08 | Expansion plugging mechanism of plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674700U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277627A (en) * | 2013-05-30 | 2013-09-04 | 中国石油大学(北京) | Spherical dual-seal plugging device |
| CN106499908A (en) * | 2016-12-15 | 2017-03-15 | 福州市水务管网维护有限公司 | A kind of expansion type pipe plugging head and its main body mechanism |
| CN106523845A (en) * | 2016-12-15 | 2017-03-22 | 福州市水务管网维护有限公司 | Pipeline plugging device |
| CN111810761A (en) * | 2020-07-06 | 2020-10-23 | 北京天兴燃气工程有限公司 | Pipeline plugging device |
| WO2020249986A1 (en) | 2019-06-12 | 2020-12-17 | Inetec-Institute For Nuclear Technology Ltd. | A large diameter pipe closing device |
| CN114636044A (en) * | 2022-03-21 | 2022-06-17 | 北京天兴燃气工程有限公司 | Self-guide flow gas pipeline plugging device |
-
2012
- 2012-06-08 CN CN 201220268179 patent/CN202674700U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277627A (en) * | 2013-05-30 | 2013-09-04 | 中国石油大学(北京) | Spherical dual-seal plugging device |
| CN103277627B (en) * | 2013-05-30 | 2015-04-15 | 中国石油大学(北京) | Spherical dual-seal plugging device |
| CN106499908A (en) * | 2016-12-15 | 2017-03-15 | 福州市水务管网维护有限公司 | A kind of expansion type pipe plugging head and its main body mechanism |
| CN106523845A (en) * | 2016-12-15 | 2017-03-22 | 福州市水务管网维护有限公司 | Pipeline plugging device |
| CN106523845B (en) * | 2016-12-15 | 2018-06-19 | 福州市水务管网维护有限公司 | A kind of pipeline plug |
| WO2020249986A1 (en) | 2019-06-12 | 2020-12-17 | Inetec-Institute For Nuclear Technology Ltd. | A large diameter pipe closing device |
| CN114008370A (en) * | 2019-06-12 | 2022-02-01 | Inetec学院核工艺学有限公司 | Large-diameter pipe sealing device |
| CN111810761A (en) * | 2020-07-06 | 2020-10-23 | 北京天兴燃气工程有限公司 | Pipeline plugging device |
| CN111810761B (en) * | 2020-07-06 | 2021-03-09 | 北京天兴燃气工程有限公司 | Pipeline plugging device |
| CN114636044A (en) * | 2022-03-21 | 2022-06-17 | 北京天兴燃气工程有限公司 | Self-guide flow gas pipeline plugging device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202674700U (en) | Expansion plugging mechanism of plugging device | |
| CN103133710A (en) | Self-checking type sluice valve | |
| CN202165038U (en) | Tool for fault treatment of underground safety valve | |
| CN203321408U (en) | Underwater vertical type Christmas tree | |
| CN210800434U (en) | In-pipe plugging device of oil pipeline | |
| CN203531816U (en) | Expansion construction tool for solid expandable pipe | |
| CN107631122A (en) | A kind of novel intelligent plugging device | |
| CN205400660U (en) | Inside blanking plug of oil pipe | |
| CN107456081A (en) | A kind of transmission mechanism of automatic brewery installations | |
| CN203594868U (en) | Device for replacing valve under pressure | |
| CN103939013A (en) | Integrated high-temperature pressure balance workover rig | |
| CN104790907A (en) | Tubing head blocking isolating valve for fracture wellhead device | |
| CN203146882U (en) | Self-inspection type gate valve | |
| CN103055461B (en) | Low-torque linkage double-open fire hydrant | |
| CN204827334U (en) | But packer - switch screen pipe composite set | |
| CN114251072A (en) | Packer for oil field water injection well | |
| CN202419034U (en) | Plugging mechanism of plugging machine | |
| CN205977160U (en) | Flashboard assembly convenient to detach's coiled tubing preventer | |
| CN203176631U (en) | Pipeline rapid plugging device | |
| CN203808915U (en) | Plugging device for oil pipe hanger | |
| CN102758593A (en) | Valve replacing device for water injection well under condition of pressure | |
| CN204804753U (en) | Blanking plug | |
| CN201165860Y (en) | Pipe inner blowout preventer | |
| CN2761817Y (en) | Driving device of oil pipe pressurized removing | |
| CN202000957U (en) | Steam injection packer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
| CX01 | Expiry of patent term |