CN201696803U - Return type stopper - Google Patents
Return type stopper Download PDFInfo
- Publication number
- CN201696803U CN201696803U CN2010201710698U CN201020171069U CN201696803U CN 201696803 U CN201696803 U CN 201696803U CN 2010201710698 U CN2010201710698 U CN 2010201710698U CN 201020171069 U CN201020171069 U CN 201020171069U CN 201696803 U CN201696803 U CN 201696803U
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- fixed
- torque spring
- plug
- pivoted arm
- block head
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Abstract
The utility model relates to the technical field of pipeline under-pressure stopping devices, in particular to a return type stopper comprising a connecting shell, a hydraulic cylinder, a connecting rod, a stopping head seat, a stopping head rotating shaft and a stopping head, wherein the upper end of the connecting shell is provided with a fixed flange, and the lower end of the connecting shell is installed with the hydraulic cylinder; the stopping head seat is installed in a pipe cavity of the connecting shell, a piston rod of the hydraulic cylinder is connected with the upper end of the stopping head seat, and the stopping head is articulated on the stopping head seat through the stopping head rotating shaft on which a torsion spring is installed; and one end of the torsion spring is fixed on the stopping head seat, and the other end of the torsion spring is fixed on the stopping head. The return type stopper has the advantages of reasonable and compact structure and convenient use and can make the stopping head return to the axis position of the connecting shell through the elasticity of the torsion spring to prevent the stopping head from scraping the inner wall of the pipe cavity of the connecting shell or being stopped by steps on the inner wall of a pipeline, and when the stopping head is recovered, the return type stopper can also not generate the phenomenon of stoppage, is especially suitable for stopping operations from bottom to top and has the characteristics of safety, labor saving, convenience and high efficiency.
Description
One, technical field
The utility model relates to pipe pressurized blocking device technical field, is a kind of return type plugging device.
Two, background technique
In the repairing of pipeline or when connecting, for the ease of quick organizing construction, often need immediately pipeline to be implemented shutoff, at present general normal employing pipeline machinery non-stop plugging technology is carried out shutoff to pipeline, because it has that feasibility is good, safety, economy, rapidly and efficiently, be usually used in jobs that requires special skills such as the maintenance of in-service pipeline and repairing.Pipeline machinery non-stop plugging, be exactly when pipe laying, install the shutoff threeway that has service hatch and sandwich valve in advance between two segment pipes, sandwich valve is installed in the outlet of service hatch, the sandwich valve of cutting out has sealed service hatch, makes pipeline can keep sealing proper functioning; When needs shutoff operation, on sandwich valve, install plugging device, be connected with a block head that can turn to by connecting rod on the plugging device, by connecting rod block head is sent to pipe interior from service hatch after opening sandwich valve, turn to behind the inwall of block head contact pipeline then, the inwall of block head after turning to by its anterior rubber cup and pipeline fits tightly and keeps sealing, and the inner chamber of pipeline blocks fully the most at last; When needs cancellation shutoff, only need block head to be mentioned withdrawal and make pipeline recover unimpeded by connecting rod, behind the last closed clip plate valve, can take off plugging device.But existing plugging device has the following disadvantages in actual use: because of the spatial position restriction, in the time must below pipeline, carrying out shutoff from bottom to top, block head run-off the straight owing to action of gravity, scraping takes place or is blocked by the step on the inner-walls of duct in easy and plugging device sidewall, when regaining block head, occur the jam phenomenon easily, cause plugging device to use.
Three, summary of the invention
The utility model provides a kind of return type plugging device, and its block head that has solved existing plugging device can't be used for the problem of shutoff work from bottom to top.
The technical solution of the utility model realizes by following measure: a kind of return type plugging device, comprise the connection housing, oil hydraulic cylinder, connecting rod, the plug seat, plug rotating shaft and block head, the upper end that connects housing has fastening flange also can be fixedly mounted on the service hatch of pipeline by sandwich valve, the lower end that connects housing is equipped with oil hydraulic cylinder, there is the housing of connection tube chamber the inside that connects housing, the plug seat is installed in to connect in the housing tube chamber and also can moves up and down, the piston rod of oil hydraulic cylinder extend into to connect in the housing tube chamber and by the lower end of connecting rod with the plug seat and is connected, block head is hinged on the plug seat by the plug rotating shaft, be equipped with in the plug rotating shaft and can make block head get back to the torque spring that connects the housing shaft line position, one end of torque spring is fixed on the plug seat, and the other end of torque spring is fixed on the block head.
Be further optimization and/or improvements below to above-mentioned model utility technological scheme:
Can be fixed with on the above-mentioned plug seat and can prevent that block head from departing from the block that connects the housing shaft line position because of the elastic force of torque spring.
On the above-mentioned plug seat spring hanging hole can be arranged, the two ends of torque spring have hook respectively, and an end of torque spring is fixed on the plug seat by hook and spring hanging hole, and the other end of torque spring is fixed on the block head by hook.
Above-mentioned block head can comprise pivoted arm, rear plate, front plate, shutoff leather cup, guiding trestle and upper saw pulley; One end of pivoted arm has the plug rotary shaft hole and is installed in the plug rotating shaft, the other end of pivoted arm is fixed with rear plate, front plate is installed on the rear plate by screw, be installed with the shutoff leather cup between rear plate and the front plate, the front side of front plate is fixed with guiding trestle, and the front end of guiding trestle is equipped with the upper saw pulley that can freely rotate; Can there be the spring hanging groove position of corresponding torque spring hook on the pivoted arm, and torque spring is fixed on the pivoted arm by hook and spring hanging groove.
The utility model reasonable and compact in structure, easy to use, its elastic force by torque spring can make block head get back to connection housing shaft line position, avoided and be connected housing lumen wall scraping or blocked by the step on the inner-walls of duct, when regaining block head the jam phenomenon can not appear yet, be particularly useful for shutoff operation from bottom to top, have the characteristics of safety labor-saving, simple and effective.
Four, description of drawings
Accompanying drawing 1 is looked the sectional structure schematic representation for the master of the utility model most preferred embodiment when not working.
Accompanying drawing 2 is plug seat and the main TV structure schematic representation of block head when work in the accompanying drawing 1.
Coding in the accompanying drawing is respectively: 1 for connecting housing, and 2 is oil hydraulic cylinder, and 3 is connecting rod, 4 is the plug seat, and 5 is the plug rotating shaft, and 6 is fastening flange, 7 for connecting the housing tube chamber, and 8 is torque spring, and 9 is block, 10 is the spring hanging hole, and 11 is pivoted arm, and 12 is rear plate, 13 is front plate, and 14 are the shutoff leather cup, and 15 is guiding trestle, 16 is upper saw pulley, and 17 is the spring hanging groove.
Five, embodiment
The utility model is not subjected to following embodiment's restriction, can determine concrete mode of execution according to the technical solution of the utility model and actual conditions.
Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, this return type plugging device comprises connection housing 1, oil hydraulic cylinder 2, connecting rod 3, plug seat 4, plug rotating shaft 5 and block head, the upper end that connects housing 1 has fastening flange 6 also can be fixedly mounted on the service hatch of pipeline by sandwich valve, the lower end that connects housing 1 is equipped with oil hydraulic cylinder 2, there is the housing of connection tube chamber 7 inside that connects housing 1, plug seat 4 is installed in to connect in the housing tube chamber 7 and also can moves up and down, the piston rod of oil hydraulic cylinder 2 extend into to connect in the housing tube chamber 7 and by the lower end of connecting rod 3 with plug seat 4 and is connected, block head is hinged on the plug seat 4 by plug rotating shaft 5, be equipped with in the plug rotating shaft 5 and can make block head get back to the torque spring 8 that connects housing 1 axial location, one end of torque spring 8 is fixed on the plug seat 4, and the other end of torque spring 8 is fixed on the block head.By torque spring 8 block head is got back to and be connected housing 1 axial location, thereby when below pipeline, carrying out shutoff from bottom to top, return elastic force and himself gravity that block head is subjected to torque spring 8 balance each other, avoided with the right side inwall that is connected housing tube chamber 7 scraping taking place or being blocked, when regaining block head, also the jam phenomenon can not occur because of torque spring 8 has the self-return effect by the step on the inner-walls of duct on right side.
Can according to actual needs above-mentioned return type plugging device be made further optimization and/or improvements:
Shown in accompanying drawing 1,2, be fixed with on the plug seat 4 and can prevent that block head from departing from the block 9 that connects housing 1 axial location because of the elastic force of torque spring 8.Block 9 can prevent that torque spring 8 from causing the block head reversed dip because of elastic force is excessive, depart from and connect housing 1 axial location and tilt to the left, avoid taking place to swipe or blocked etc. the generation of undesirable condition by the step on the inner-walls of duct in left side with the inner left wall that is connected housing tube chamber 7.
Shown in accompanying drawing 1,2, spring hanging hole 10 is arranged on the plug seat 4, the two ends of torque spring 8 have hook respectively, and an end of torque spring 8 is fixed on the plug seat 4 by hook and spring hanging hole 10, and the other end of torque spring 8 is fixed on the block head by hook.Can guarantee by spring hanging hole 10 that the hook of torque spring 8 is securely fixed on the plug seat 4 can not get loose.
As shown in Figure 2, block head comprises pivoted arm 11, rear plate 12, front plate 13, shutoff leather cup 14, guiding trestle 15 and upper saw pulley 16; One end of pivoted arm 11 has the plug rotary shaft hole and is installed in the plug rotating shaft 5, the other end of pivoted arm 11 is fixed with rear plate 12, front plate 13 is installed on the rear plate 12 by screw, be installed with shutoff leather cup 14 between rear plate 12 and the front plate 13, the front side of front plate 13 is fixed with guiding trestle 15, and the front end of guiding trestle 15 is equipped with the upper saw pulley 16 that can freely rotate; There is spring hanging groove 17 position of corresponding torque spring 8 hooks on the pivoted arm 11, and torque spring 8 is fixed on the pivoted arm 11 by hook and spring hanging groove 17.By at the front side of front plate 13 stator wheel 16, can be convenient to block head around plug rotating shaft 5 rotations, with smooth arrival working position.Can guarantee by spring hanging groove 17 that the hook of torque spring 8 is securely fixed on the pivoted arm 11 can not get loose.
Above technical characteristics has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.
Claims (5)
1. return type plugging device, comprise the connection housing, oil hydraulic cylinder, connecting rod, the plug seat, plug rotating shaft and block head, the upper end that connects housing has fastening flange also can be fixedly mounted on the service hatch of pipeline by sandwich valve, the lower end that connects housing is equipped with oil hydraulic cylinder, there is the housing of connection tube chamber the inside that connects housing, the plug seat is installed in to connect in the housing tube chamber and also can moves up and down, the piston rod of oil hydraulic cylinder extend into to connect in the housing tube chamber and by the lower end of connecting rod with the plug seat and is connected, block head is hinged on the plug seat by the plug rotating shaft, it is characterized in that being equipped with in the plug rotating shaft and can make block head get back to the torque spring that connects the housing shaft line position, one end of torque spring is fixed on the plug seat, and the other end of torque spring is fixed on the block head.
2. return type plugging device according to claim 1 is characterized in that being fixed with on the plug seat and can prevent that block head from departing from the block that connects the housing shaft line position because of the elastic force of torque spring.
3. return type plugging device according to claim 1 and 2, it is characterized in that the spring hanging hole is arranged on the plug seat, the two ends of torque spring have hook respectively, and an end of torque spring is fixed on the plug seat by hook and spring hanging hole, and the other end of torque spring is fixed on the block head by hook.
4. return type plugging device according to claim 1 and 2 is characterized in that block head comprises pivoted arm, rear plate, front plate, shutoff leather cup, guiding trestle and upper saw pulley; One end of pivoted arm has the plug rotary shaft hole and is installed in the plug rotating shaft, the other end of pivoted arm is fixed with rear plate, front plate is installed on the rear plate by screw, be installed with the shutoff leather cup between rear plate and the front plate, the front side of front plate is fixed with guiding trestle, and the front end of guiding trestle is equipped with the upper saw pulley that can freely rotate; There is the spring hanging groove position of corresponding torque spring hook on the pivoted arm, and torque spring is fixed on the pivoted arm by linking up with sharp spring hanging groove.
5. return type plugging device according to claim 3 is characterized in that block head comprises pivoted arm, rear plate, front plate, shutoff leather cup, guiding trestle and upper saw pulley; One end of pivoted arm has the plug rotary shaft hole and is installed in the plug rotating shaft, the other end of pivoted arm is fixed with rear plate, front plate is installed on the rear plate by screw, be installed with the shutoff leather cup between rear plate and the front plate, the front side of front plate is fixed with guiding trestle, and the front end of guiding trestle is equipped with the upper saw pulley that can freely rotate; There is the spring hanging groove position of corresponding torque spring hook on the pivoted arm, and torque spring is fixed on the pivoted arm by hook and spring hanging groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201710698U CN201696803U (en) | 2010-04-27 | 2010-04-27 | Return type stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201710698U CN201696803U (en) | 2010-04-27 | 2010-04-27 | Return type stopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201696803U true CN201696803U (en) | 2011-01-05 |
Family
ID=43398046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201710698U Expired - Fee Related CN201696803U (en) | 2010-04-27 | 2010-04-27 | Return type stopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201696803U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775736A (en) * | 2014-01-15 | 2014-05-07 | 天津大学 | Plugging device for no stoppage of transmission of underwater oil transmission pipelines under pressure and hole- forming plugging device |
| CN105157434A (en) * | 2015-09-17 | 2015-12-16 | 成都中机盈科科技有限公司 | Industrial kiln liquid outlet pneumatic plugging system |
| CN105526463A (en) * | 2016-01-13 | 2016-04-27 | 新余飞虎管道技术设备有限责任公司 | Chipping sweeping device of plug type sealing head |
| CN115962365A (en) * | 2021-10-08 | 2023-04-14 | 中国石油管道局工程有限公司 | Pipeline sealing and plugging device |
-
2010
- 2010-04-27 CN CN2010201710698U patent/CN201696803U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775736A (en) * | 2014-01-15 | 2014-05-07 | 天津大学 | Plugging device for no stoppage of transmission of underwater oil transmission pipelines under pressure and hole- forming plugging device |
| CN105157434A (en) * | 2015-09-17 | 2015-12-16 | 成都中机盈科科技有限公司 | Industrial kiln liquid outlet pneumatic plugging system |
| CN105157434B (en) * | 2015-09-17 | 2017-05-31 | 东莞金皇工业熔炉设备制造有限公司 | A kind of pneumatic plugging system of Industrial Stoves liquid outlet |
| CN105526463A (en) * | 2016-01-13 | 2016-04-27 | 新余飞虎管道技术设备有限责任公司 | Chipping sweeping device of plug type sealing head |
| CN115962365A (en) * | 2021-10-08 | 2023-04-14 | 中国石油管道局工程有限公司 | Pipeline sealing and plugging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20130427 |