CN201103767Y - Lower blocking device of pipe - Google Patents
Lower blocking device of pipe Download PDFInfo
- Publication number
- CN201103767Y CN201103767Y CNU2007200757182U CN200720075718U CN201103767Y CN 201103767 Y CN201103767 Y CN 201103767Y CN U2007200757182 U CNU2007200757182 U CN U2007200757182U CN 200720075718 U CN200720075718 U CN 200720075718U CN 201103767 Y CN201103767 Y CN 201103767Y
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- CN
- China
- Prior art keywords
- main shaft
- placing plug
- placing
- pipeline
- joint
- 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
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Abstract
The utility model discloses a pipeline under blocker and comprises a main shaft with a screwing end and a connection end; wherein, the main shaft is connected with a shaft sleeve outside the screwing end in a rotary way and the shaft sleeve is fixedly connected with an under blocker header which is internally provided with the connection end of the main shaft; an under blocker joint is connected with the connection end in a dismounting way; convex blocks which are used for being matched with a filling-up plate in a dismounting way are arranged on the under blocker joint; the convex blocks are at least two arc blocks which are arranged in interval on the same rotary radius of the under blocker joint. By adopting the design that the main shaft and the shaft sleeve can be internally and externally matched in a rotary way, in particular that the independent and exchangeable under blocker joint is adopted and the convex blocks which are used for being matched with the filling-up plate are arranged on the under blocker joint, the pipeline under blocker enables the filling-up plate to be dismounted or arranged conveniently and has the advantages of simple structure, convenient application operation and generality for filling-up plates of different specifications.
Description
Technical field
The utility model relates to the gas pipeline engineering field, relates in particular to a kind of not means for placing plug of stopping transportation construction shutoff gas pipeline that is used for.
Background technique
Along with economic development, produce, need in the life with and the industry of combustion gas also more and more widely.Particularly in, in the large size city, the stability of fuel gas supply system and adaptability to changes also become increasingly conspicuous to the influence of the daily production of people, life.But piping failure often takes place owing to reasons such as pipeline is aging, contingencies or breaks in fuel gas supply system, needs in time to change.From security consideration, method of construction in the past need be closed the two ends valve mostly, stops delivery of fuel gas, and the residual combustion gas in the emptying pipe is simultaneously just constructed.Along with improving constantly of construction technology, the not stopping transportation construction technology of comparative maturity is also arranged now.
The key step of stopping transportation construction is not followed successively by, at first former pipeline breaking place of shutoff, then in former pipeline breaking place by perforator roll setting perforate, perforator withdrawing after the perforate, unload cutter head, plugging device is installed in tapping with closure plate under utilizing on the perforator then, and it is airtight once more to form pipeline.
The advantage of stopping transportation construction is not conspicuous.But not stopping transportation construction technology of the prior art, general all is to adopt perforator to come lower plugging plate to implement last shutoff operation, owing to will make perforator " dual-use ", and guarantee in the work progress air tight, therefore the structure of perforator becomes complicated, operate loaded down with trivial details, and owing to the working life of critical component in the perforator has been shortened in frequent dismounting.
Therefore, how to improve stopping transportation safety of construction not, improve the supporting equipment of construction, particularly how easy, implement the shutoff operation quickly, become further raising and improve the not bottleneck of stopping transportation construction technology.
The model utility content
Because the above-mentioned defective of prior art, technical problem to be solved in the utility model provides a kind of simple in structure, simple operation, the closure plate of different size is had the gas pipeline shutoff construction means for placing plug of certain versatility.
For achieving the above object, the utility model provides a kind of pipeline means for placing plug, comprises a main shaft, and described main shaft has one and screws an end and a connecting end; Described main shaft described screw the end outside rotatable connection one axle sleeve, described axle sleeve is fixedlyed connected with a means for placing plug header; The described connecting end of described main shaft is positioned at described means for placing plug header; One means for placing plug connecting head and described connecting end removably connect; Described means for placing plug connecting head is provided with and is used for dismantling the projection that cooperates with closure plate.Described projection is at least two circular arc pieces that are provided with at interval on the same turning radius of described means for placing plug connecting head.
Described means for placing plug header is a hat, and the top offers one and is used for the through hole that described main shaft passes through, and the bottom opening also has an edge portion that is used to connect; Set firmly on the described top one with the airtight spindle jacket that is connected that closes of described main shaft.
The fixedly connected internal diameter of described axle sleeve is greater than the sliding sleeve of described spindle jacket external diameter, and described axle sleeve is fixedlyed connected with described spindle jacket by described sliding sleeve.
Independent, removable means for placing plug connecting head had particularly been adopted in rotatable main shaft that cooperates and axle sleeve design inside and outside pipeline means for placing plug of the present utility model had adopted, and held the means for placing plug connecting head that drives on the connecting end by screwing of rotating spindle.Be used for the projection that detachably cooperates with closure plate owing on the means for placing plug connecting head, be provided with, closure plate can be pulled down or load onto easily.Therefore, plugging device is simple in structure down in gas pipeline shutoff of the present utility model construction, use easy and simple to handle, and the beneficial effect that has versatility for the closure plate of different size.
Be described further below with reference to the technique effect of accompanying drawing, to understand the purpose of this utility model, feature and effect fully design of the present utility model, concrete structure and generation.
Description of drawings
Fig. 1 is a plugging device structural representation down of the present utility model;
Fig. 2 is the cross-sectional schematic of means for placing plug header among Fig. 1;
Fig. 3 is the partial schematic sectional view of means for placing plug connecting head among Fig. 1;
Fig. 4 is the elevational schematic view of means for placing plug connecting head among Fig. 3.
Embodiment
As shown in Figure 1, the utility model provides a kind of pipeline means for placing plug, comprises a main shaft 1, main shaft 1 have one expose screw the connecting end 12 that end 11 and has an inner bolt hole.Main shaft 1 passes through bearing 13 rotatable peripheral hardware one axle sleeves 2 near screwing end 11, the connecting end 12 of main shaft 1 is positioned at a means for placing plug header 3.As shown in Figure 2, means for placing plug header 3 is a hat, and top 31 offers one and is used for the through hole 32 that main shaft 1 passes through, and the bottom opening also has an edge portion 33 that is used to connect.
A fixedly connected internal diameter is greater than the sliding sleeve 5 of spindle jacket 34 on the axle sleeve 2.Spindle jacket 34 is threaded with sliding sleeve 5.Thereby axle sleeve 2 forms a fixed connection with means for placing plug header 3 by sliding sleeve 5 and spindle jacket 34.
Special way of the present utility model also is, is fixedly connected with a means for placing plug connecting head 4 by inner bolt hole on the connecting end 12.As shown in Figure 3, Figure 4, means for placing plug connecting head 4 is provided with and is used for and the detachable projection 41 that cooperates of the closure plate (not shown) of gas pipeline shutoff construction.
As shown in Figure 3, Figure 4, in the present embodiment, projection 41 is two circular arc pieces that are provided with at interval on the same turning radius of means for placing plug connecting head 4.Its shape and closure plate joint match substantially.The purpose that two circular arc pieces require to be arranged on the same turning radius is after guaranteeing main axis rotation, and the circular arc piece can cooperate with closure plate simultaneously.The purpose that two circular arc block gaps are provided with is that both gap locations can stay the space of doing the turnover of closure plate joint.
Closure plate is used for the blocking pipe tapping, with means for placing plug connecting head 4 adapteds in the utility model.The similar circular arc piece of two undersized in projection 41 also is set on the closure plate joint at interval.Only need to adjust the different angle of swing of main shaft, the means for placing plug connecting head is connected with closure plate or dismantles following.
Use of the present utility model is after perforator roll setting perforate, the perforator withdrawing, and the closed clip plate valve sheds punching and connects case, and loads onto the closure plate connector, and perforator is stepped down and is reserved the means for placing plug construction space.
At this moment, screw down the plugging device main shaft, drive two circular arc pieces and cooperate, hit foot and put in place, closure plate is suspended on down in the means for placing plug header of plugging device, and means for placing plug is moved to closure plate connector top together with closure plate with the closure plate joint.
Then, the means for placing plug header is connected by means for placing plug header edge portion bolt with sandwich valve, and forms airtight closing.
, open sandwich valve, fall the means for placing plug main shaft, make closure plate drop to tapping, directly only kill lateral pin and tack till the closure plate thereafter.
After confirming that lateral pin tacks closure plate, main shaft retreats 45 degree, discharges downforce, rotates counterclockwise main shaft the closure plate joint is spun off from two circular arc pieces, and this moment, closure plate and means for placing plug connecting head broke away from, and went up main shaft then.The ball valve of opening on the means for placing plug header diffuses, and confirms whether shutoff is good.
Pull down means for placing plug and connect case, check that whether lateral pin and closure plate coincide good, adds upper cap then.Pull down the closure plate connector, butter envelope screw covers fixedly blind plate at last, finishes whole shutoff construction.
Independent, removable means for placing plug connecting head had particularly been adopted in rotatable main shaft that cooperates and axle sleeve design inside and outside pipeline means for placing plug of the present utility model had adopted, and held the means for placing plug connecting head that drives on the connecting end by screwing of rotating spindle.Be used for the projection that detachably cooperates with closure plate owing on the means for placing plug connecting head, be provided with, closure plate can be pulled down or load onto easily.Therefore, plugging device is simple in structure down in gas pipeline shutoff construction of the present utility model, use easy and simple to handle, it is 0.8Mpa that operating time have original 80 minutes to foreshorten to 20 minutes actual pressure-bearings, and the beneficial effect that has certain versatility for different size such as diameter 100mm, 150mm or closure plates such as diameter 200mm, 300mm.
In sum, described in this specification is several preferred embodiment of the present utility model, and above embodiment is only unrestricted in order to the explanation the technical solution of the utility model.All technician in the art comply with design of the present utility model on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment, all should be within claim protection domain of the present utility model.
Claims (4)
1, a kind of pipeline means for placing plug is characterized in that: comprise a main shaft, described main shaft has one and screws an end and a connecting end; Described main shaft described screw the end outside rotatable connection one axle sleeve, described axle sleeve is fixedlyed connected with a means for placing plug header; The described connecting end of described main shaft is positioned at described means for placing plug header; One means for placing plug connecting head and described connecting end removably connect; Described means for placing plug connecting head is provided with and is used for the projection that detachably cooperates with closure plate.
2, pipeline means for placing plug as claimed in claim 1 is characterized in that: at least two circular arc pieces of described projection for being provided with at interval on the same turning radius of described means for placing plug connecting head.
3, pipeline means for placing plug as claimed in claim 1 or 2 is characterized in that: described means for placing plug header is a hat, and the top offers one and is used for the through hole that described main shaft passes through, and the bottom opening also has an edge portion that is used to connect; Set firmly on the described top one with the airtight spindle jacket that is connected that closes of described main shaft.
4, pipeline means for placing plug as claimed in claim 3 is characterized in that: the fixedly connected internal diameter of described axle sleeve is greater than the sliding sleeve of described spindle jacket external diameter, and described axle sleeve is fixedlyed connected with described spindle jacket by described sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200757182U CN201103767Y (en) | 2007-11-19 | 2007-11-19 | Lower blocking device of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200757182U CN201103767Y (en) | 2007-11-19 | 2007-11-19 | Lower blocking device of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201103767Y true CN201103767Y (en) | 2008-08-20 |
Family
ID=39950793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200757182U Expired - Lifetime CN201103767Y (en) | 2007-11-19 | 2007-11-19 | Lower blocking device of pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201103767Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953768A (en) * | 2014-04-28 | 2014-07-30 | 贵阳安宝燃气防爆安全设备有限公司 | Special puller tool for superflow ring |
-
2007
- 2007-11-19 CN CNU2007200757182U patent/CN201103767Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953768A (en) * | 2014-04-28 | 2014-07-30 | 贵阳安宝燃气防爆安全设备有限公司 | Special puller tool for superflow ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080820 |