CN203731004U - Quick orifice plugging device for long-distance pipeline - Google Patents
Quick orifice plugging device for long-distance pipeline Download PDFInfo
- Publication number
- CN203731004U CN203731004U CN201420109594.5U CN201420109594U CN203731004U CN 203731004 U CN203731004 U CN 203731004U CN 201420109594 U CN201420109594 U CN 201420109594U CN 203731004 U CN203731004 U CN 203731004U
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- CN
- China
- Prior art keywords
- blind plate
- plugging device
- antitheft
- long
- shutoff
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- Withdrawn - After Issue
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Abstract
A quick orifice plugging device for a long-distance pipeline comprises a round plugging blind plate, multiple laminating plates, antitheft glands, sliding blocks, pre-tightening antitheft bolts and O-rings. The laminating plates are sequentially distributed at the edge of the inner side of the round plugging blind plate, one side of each laminating plate is closely laminated with the round plugging blind plate, and guide pins are arranged on the other side of each laminating plate. The antitheft glands are arranged on the outer side of the round plugging blind plate and sequentially penetrate the round plugging blind plate and the corresponding laminating plates, an axial groove is formed outside each gland body, and a through hole is formed in the bottom surface of each axial groove. Each sliding block is slidably linked on each guide pin, and a threaded hole corresponding to each through hole is formed in each sliding block. The tails of the pre-tightening antitheft bolts penetrate the through holes of the antitheft glands, are screwed out of the threaded holes of the sliding blocks to be sleeved with springs, and are positioned via self-locking nuts. Each O-ring is mounted in a clamp groove formed between the round plugging blind plate and a groove at the edge of each sliding block. The problem that an existing orifice plugging device is low in plugging efficiency and high in plugging cost is solved, the pipe section orifice end face is quickly plugged in the pipeline construction process, and the quick orifice plugging device has antitheft and breathing functions and is suitable for short-term use in long-distance pipeline construction.
Description
Technical field
The utility model relates to the long distance pipeline mouth of pipe quick plugging device in a kind of long-distance transport pipes construction with short-term shut-off capacity.
Background technique
In GB50369-2006 " construction of oil gas engineering in pipeline and acceptance specification ", 10.2.10 explicitly calls for: " should, by good the shutoff of the line end mouth of pipe, prevent that foreign matter from entering every day before leaving offices.Under ditch, welded tube line should also be noted that waterproof ".
In long-distance transport pipes construction process, can be subject to corner, pass through, the factor such as mechanical hyposulculus affects, and often occurs the paragraph phenomenon of letting the hair grow, every pipe string construction all wants line up to carry out shutoff operation, therefore, shutoff operation is one important procedure in constructing.Good plugging effect can prevent that in steel pipe, entering water, mud or sand guarantees construction quality, can also prevent that child, animal etc. from entering in steel pipe, causes life risk.
At present, in domestic Construction of Long-distance Pipelines process of construction, mouth of pipe method for blocking is a lot, as air bag shutoff, gate-type shutoff, the shutoff of ball plate, screw rod shutoff etc., wherein only have the gentle capsule plugging device of ball plate to ensure water-tight, but it can only play temporary plugging effect; Although and ball plate plugging device can play plugging action, its volume is large, heavy, need to utilize crane or monobucket coordinating operation, operating cost is high; All the other plugging devices can only stop that foreign matter enters the mouth of pipe, there is no water shutoff, sealing clay effect, lack anti-theft measure simultaneously.In order to realize water shutoff, mud, sand or foreign matter and antitheft effect, mostly adopt in mouth of pipe full weld steel plate method, but there is the problem that shutoff efficiency is low, shutoff cost is high in it.
Summary of the invention
The purpose of this utility model is the long distance pipeline mouth of pipe quick plugging device for a kind of problem that shutoff efficiency is low, shutoff cost is high that solves existing pipe orifice-plugging device existence is provided, in pipe-line construction process, realize pipeline section mouth of pipe end face quick blocking, and possess anti-theft feature, respiratory function, be suitable for long-distance transport pipes construction and use a middle or short term.
The technical solution of the utility model is:
A kind of long distance pipeline mouth of pipe quick plugging device, there is circular shutoff blind plate, its special way is, also comprise: pasting board, its quantity is multiple, be distributed in successively described circular shutoff blind plate inside edge and be circular, described pasting board one side fits tightly with described circular shutoff blind plate, and another side is provided with guide finger;
Antitheft gland, described antitheft pressure is covered on described circular shutoff blind plate outside and its lid runs through described circular shutoff blind plate and pasting board successively, and described lid is provided with axial notch outward and described axial notch bottom surface is provided with the through hole that runs through lid;
Slide blocks, described slide blocks is slidably connected on described guide finger, and which is provided with the tapped hole of corresponding described through hole;
Pretension anti-theft bolt, described pretension anti-theft bolt afterbody through the through hole of described antitheft gland, screw out after the tapped hole of described slide blocks pocketed springs and utilize self-locking nut location, described pretension anti-theft bolt head falls within the axial notch of described antitheft gland;
O type circle, is inlaid with spring in described O type circle, is arranged in the clip slot of described circular shutoff blind plate and the formation of slide blocks edge groove.
Above-mentioned long distance pipeline mouth of pipe quick plugging device, described circular shutoff blind plate middle part is provided with balanced gas shutoff, after pipeline section internal air pressure being adjusted to normal pressure in the shutoff of dismounting blind plate front opening balanced gas, dismantles, and guarantees construction safety.
Above-mentioned long distance pipeline mouth of pipe quick plugging device, described pretension anti-theft bolt head is triangular in shape, to be different from conventional bolt, plays anti-theft function.
Above-mentioned long distance pipeline mouth of pipe quick plugging device, described balanced gas shutoff outside is provided with groove, is provided with and prevents usurping triangle knob in described groove, plays anti-theft function.
Above-mentioned long distance pipeline mouth of pipe quick plugging device, corresponding described balanced gas block-up position is provided with filtrating equipment inside described circular shutoff blind plate, enters earth foreign material etc. to cross to filter by balanced gas shutoff, keeps clean in steel pipe.
Above-mentioned long distance pipeline mouth of pipe quick plugging device, described pasting board edge is provided with groove, to play the effect that holds up O type circle.
Above-mentioned long distance pipeline mouth of pipe quick plugging device, the quantity of described antitheft gland, slide blocks, pretension anti-theft bolt equates with described pasting board quantity.
Above-mentioned long distance pipeline mouth of pipe quick plugging device, the spring being set with on described pretension anti-theft bolt is fixed with pad in abutting connection with one end of described slide blocks, to stop that slide block comes off.
Above-mentioned long distance pipeline mouth of pipe quick plugging device, the corresponding described O type circle of described circular shutoff blind plate position is provided with annular groove, to adapt to playing seal action after the extrusion-deformation of O type circle.
Above-mentioned long distance pipeline mouth of pipe quick plugging device, the material of described circular shutoff blind plate is bakelite, and described pasting board and slide blocks material are the nylon block that injection moulding adds fiber, and it is elastic caoutchouc that spring parcel material is inlayed in O type ring cross-section center.
The beneficial effects of the utility model are:
1, while use, plugging device is pushed in the steel pipe of pre-shutoff, screw pretension anti-theft bolt, by screwing pretension anti-theft bolt, slide blocks is slided to circular shutoff blind plate direction, thereby O type circle is clamped between steel pipe inner wall, circular shutoff blind plate and slide blocks, the O type circle of distortion and circular shutoff blind plate and steel pipe inner wall are combined closely, and play the effect of the shutoff mouth of pipe.Its shutoff quality is light, simple to operate, consuming time short, and plugging effect is good.
2, it is circular that the pasting board between circular shutoff blind plate and slide blocks holds up the maintenance of O type circle, and make it to contact with steel pipe inner wall, when screwing bolt, slide blocks slides to circular shutoff blind plate direction, shorten the distance between slide block and blind plate, utilize the groove on slide blocks, pasting board and blind plate that O type circle is held up, O type circle plays the effect of sealing orifice after stress deformation between steel pipe inner wall, blind plate, slide blocks.Be self testing on the special plugging device testing apparatus of 1010mm caliber at diameter, result is the internal pressure >0.02Mpa bearing under long distance pipeline physical environment; The external pressure >0.2Mpa can bear under various environment; Under 15 meters of depth of waters, the mouth of pipe maximum duration of shutoff is 25 days, opens in rear line and does not enter water and silt particle, and the shutoff mouth of pipe is respond well.
3, this plugging device is reusable, effectively reduces shutoff cost.
4, when pretension anti-theft bolt head screws or outwards winding, need use special sleeve spanner with matching, thereby play anti-theft function, facts have proved that Loss does not appear for 1 month in the shutoff mouth of pipe on the ground at left unguarded place.
5, when the ground surface of this plugging device environment in the anhydrous dipping tube of shutoff is constructed, open the shutoff of plugging device gas equilibrium, change to slow down steel pipe internal cause ambient air temperature the positive/negative-pressure producing, guarantee that construction safety carries out.
6, this plugging device is mainly used in mouth of pipe short-term shutoff in construction, floats pipe and pass through the shutoff, top conduit crossing mouth of pipe shutoff of the mouth of pipe and detect reserved mouth of pipe shutoff, and accommodation is extensive.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is A-A sectional drawing in Fig. 1;
Fig. 4 is B place enlarged view in Fig. 3;
Fig. 5 is the structural representation of circular shutoff blind plate of the present utility model;
Fig. 6 is the structural representation of pasting board of the present utility model;
Fig. 7 is the structural representation of slide blocks of the present utility model;
Fig. 8 is the structural representation of balanced gas shutoff of the present utility model;
Fig. 9 is the structural representation of pretension anti-theft bolt of the present utility model;
Figure 10 is the structural representation of the spring of shimming of the present utility model;
Figure 11 is the structural representation of antitheft gland of the present utility model;
Figure 12 is the structural representation of O type circle of the present utility model;
Figure 13 is the structural representation of special socket wrench of the present utility model.
Embodiment
As shown in the figure, a kind of long distance pipeline mouth of pipe quick plugging device, there is circular shutoff blind plate 1, pasting board 2, antitheft gland 3, slide blocks 4, pretension anti-theft bolt 5, O type circle 6 and balanced gas shutoff 7, wherein, the quantity of described pasting board 2 is multiple, be distributed in successively described circular shutoff blind plate 1 inside edge and be circular, described pasting board 2 one sides fit tightly with described circular shutoff blind plate 1, and another side is provided with guide finger 201; Described antitheft gland 3 is located at described circular shutoff blind plate 1 outside and its lid runs through described circular shutoff blind plate 1 and pasting board 2 successively, described lid is provided with axial notch 301 outward and described axial notch 301 bottom surfaces are provided with the through hole 302 that runs through lid, between the cover rim of described antitheft gland 3 and the surface of contact of described circular shutoff blind plate 1, is provided with seal ring; Described slide blocks 4 is slidably connected on described guide finger 201, and which is provided with the tapped hole 401 of corresponding described through hole 302; Described pretension anti-theft bolt 5 afterbodys through the through hole 302 of described antitheft gland 3, screw out the rear pocketed springs 8 of tapped hole 401 of described slide blocks 4 and utilize self-locking nut 9 to locate, described pretension anti-theft bolt 5 heads fall within the axial notch 301 of described antitheft gland 3; In described O type circle 6, be inlaid with spring, be arranged in the clip slot that described circular shutoff blind plate 1 and slide blocks 4 edge grooves 402 form, the corresponding described O type circle of described circular shutoff blind plate 16 positions are provided with annular groove 101, to adapt to 6 extrusion-deformations of O type circle, described pasting board 2 edges are provided with groove 202, to play the effect that holds up O type circle 6; Described circular shutoff blind plate 1 middle part is located in described balanced gas shutoff 7, and its effect one is for gas positive-negative pressure in balance pipeline, when long-distance transport pipes are during at ground construction, because ambient air temperature impact there will be the phenomenon of expanding with heat and contract with cold, there will be positive and negative air-pressure in pipeline.In order not only to prevent that foreign matter from entering pipeline but also can realize and ambient pressure balance, in balanced gas shutoff, be provided with breathing equipment, guarantee that balanced gas block-up position reaches under the condition that can not intake, can take out balanced gas shutoff, realize pipeline inside and outside air pressure balance.The 2nd, when after γ-ray emission positive/negative-pressure in pipeline, lay down gas equilibrium shutoff 7, just can lay down pipe orifice-plugging device without positive/negative-pressure in gas pressure in balance tube and detection pipeline, guarantee operator's safety.Corresponding described balanced gas shutoff 7 positions, described circular shutoff blind plate 1 inner side are provided with filtrating equipment 10, guaranteeing under anhydrous height, lay down in gas equilibrium shutoff balance pipeline internal pressure situation, the earth foreign material that enter by balanced gas shutoff 7 with mistake filtration etc., keep the interior cleaning of steel pipe 13.
The quantity of described antitheft gland 3, slide blocks 4, pretension anti-theft bolt 5 equates with described pasting board 2 quantity, is uniformly distributed in circular shutoff blind plate 1 surrounding, to ensure shutoff evenly and leakproofness.
Described pretension anti-theft bolt head 501 is designed to triangle, to be different from conventional bolt, is used for coordinating with special socket wrench 11, thereby coordinates and play anti-theft function with antitheft gland 3.
Described balanced gas shutoff 7 outsides are provided with groove 701, be provided with and prevent usurping triangle knob 702 in described groove 701, in like manner play anti-theft function.
On described pretension anti-theft bolt 5, the spring 8 of suit is fixed with pad 12 in abutting connection with one end of described slide blocks 4, spring 8 is installed self-locking nut 9 with the end thread place of anti-theft bolt 5, its effect is to stop that slide blocks 4 comes off, because spanner 11 is operations in antitheft gland 3 outside blind plate, slide blocks 4 is in the steel pipe 13 of blind plate inner side, after pretension anti-theft bolt 5 and slide blocks 4 depart from, pad 12 and spring 8 will make pretension anti-theft bolt 5 again be combined with slide blocks 4, after not having the situation downslide motion block 4 of pad 12 and spring and pretension anti-theft bolt 5 to depart from, cannot reset.
Described circular shutoff blind plate 1 adopts bakelite plate, and described pasting board 2 and slide blocks 4 materials are injection moulding nylon block, and O type circle 6 materials are etch-proof acid resistant alkali elastic caoutchouc, and spring is inlayed at middle part, cross section.Pretension anti-theft bolt 5 adopts and rolls chromium processing, and self-locking nut 9, pad 12 and spring 8 adopt stainless steel material.
When use, this plugging device is pushed to steel pipe 13 mouths of pipe, utilize special sleeve spanner 11 first according to diagonal manner, all pretension anti-theft bolts 5 of circular shutoff blind plate 1 periphery to be carried out to pretension operation, thereby drive all slide blockss 4 to push O type circle 6, the last anti-theft bolt 5 that screws successively makes the O type circle 6 that is extruded distortion combine closely with blind plate 1 and steel pipe 13 inwalls, thereby realizes mouth of pipe shutoff; When dismounting, utilize special sleeve spanner 11 to unscrew gas equilibrium shutoff 7, detect the interior gas pressure of steel pipe 13, wait managing interior gas after physical environment air pressure balance, guarantee operator's safety work, then unscrew each pretension anti-theft bolt 5, pull out gently plugging device.
Claims (10)
1. a long-distance transport pipes mouth of pipe quick plugging device, there is circular shutoff blind plate, it is characterized in that, also comprise: pasting board, its quantity is multiple, be distributed in successively described circular shutoff blind plate inside edge and be circular, described pasting board one side fits tightly with described circular shutoff blind plate, and another side is provided with guide finger;
Antitheft gland, described antitheft pressure is covered on described circular shutoff blind plate outside and its lid runs through described circular shutoff blind plate and pasting board successively, and described lid is provided with axial notch outward and described axial notch bottom surface is provided with the through hole that runs through lid;
Slide blocks, described slide blocks is slidably connected on described guide finger, and which is provided with the tapped hole of corresponding described through hole;
Pretension anti-theft bolt, described pretension anti-theft bolt afterbody through the through hole of described antitheft gland, screw out after the tapped hole of described slide blocks pocketed springs and utilize self-locking nut location, described pretension anti-theft bolt head falls within the axial notch of described antitheft gland;
O type circle, is inlaid with spring in described O type circle, is arranged in the clip slot of described circular shutoff blind plate and the formation of slide blocks edge groove.
2. long-distance transport pipes mouth of pipe quick plugging device according to claim 1, is characterized in that: described circular shutoff blind plate middle part is provided with balanced gas shutoff.
3. long-distance transport pipes mouth of pipe quick plugging device according to claim 1, is characterized in that: described pretension anti-theft bolt head is triangular in shape.
4. long-distance transport pipes mouth of pipe quick plugging device according to claim 2, is characterized in that: described balanced gas shutoff outside is provided with groove, is provided with the anti-triangle knob of usurping in described groove.
5. long-distance transport pipes mouth of pipe quick plugging device according to claim 2, is characterized in that: inside described circular shutoff blind plate, corresponding described balanced gas block-up position is provided with filtrating equipment.
6. long-distance transport pipes mouth of pipe quick plugging device according to claim 1, is characterized in that: described pasting board edge is provided with groove.
7. long-distance transport pipes mouth of pipe quick plugging device according to claim 1, is characterized in that: the quantity of described antitheft gland, slide blocks, pretension anti-theft bolt equates with described pasting board quantity.
8. long-distance transport pipes mouth of pipe quick plugging device according to claim 1, is characterized in that: the spring being set with on described pretension anti-theft bolt is fixed with pad in abutting connection with one end of described slide blocks.
9. long-distance transport pipes mouth of pipe quick plugging device according to claim 1, is characterized in that: the corresponding described O type circle of described circular shutoff blind plate position is provided with annular groove.
10. long-distance transport pipes mouth of pipe quick plugging device according to claim 1, it is characterized in that: the material of described circular shutoff blind plate is bakelite, described pasting board and slide blocks material are the nylon block that injection moulding adds fiber, and spring is inlayed in O type ring cross-section center, and parcel material is elastic caoutchouc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109594.5U CN203731004U (en) | 2014-03-12 | 2014-03-12 | Quick orifice plugging device for long-distance pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109594.5U CN203731004U (en) | 2014-03-12 | 2014-03-12 | Quick orifice plugging device for long-distance pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203731004U true CN203731004U (en) | 2014-07-23 |
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ID=51201079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420109594.5U Withdrawn - After Issue CN203731004U (en) | 2014-03-12 | 2014-03-12 | Quick orifice plugging device for long-distance pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203731004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953819A (en) * | 2014-03-12 | 2014-07-30 | 祖宝华 | Quick stopper for long-distance pipeline orifice |
-
2014
- 2014-03-12 CN CN201420109594.5U patent/CN203731004U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953819A (en) * | 2014-03-12 | 2014-07-30 | 祖宝华 | Quick stopper for long-distance pipeline orifice |
| CN103953819B (en) * | 2014-03-12 | 2015-10-28 | 祖宝华 | Long-distance transport pipes mouth of pipe quick plugging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |