CN215215317U - Plugging device for valve pipeline - Google Patents
Plugging device for valve pipeline Download PDFInfo
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- CN215215317U CN215215317U CN202120985460.XU CN202120985460U CN215215317U CN 215215317 U CN215215317 U CN 215215317U CN 202120985460 U CN202120985460 U CN 202120985460U CN 215215317 U CN215215317 U CN 215215317U
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Abstract
The utility model relates to a plugging device for valve pipeline. This plugging device for valve pipeline is including last semicircular plate and lower semicircular plate that can the cross-under, plugging device still includes the cross-under first semicircular plate and the fixed structure of lower semicircular plate fixed, the downside of lower semicircular plate be equipped with the communicating pipe of the inside intercommunication of lower semicircular plate arc, be equipped with the stop valve on communicating pipe, the one end of last semicircular plate, the one end of lower semicircular plate are equipped with the first shutoff dish of semicircular that can the cross-under, the other end of lower semicircular plate are equipped with the second shutoff dish of semicircular that can the cross-under, be equipped with the shutoff groove of semicircular in the inboard cambered surface of first shutoff dish, the tank bottom of shutoff groove is equipped with a plurality of and radially runs through the notes material hole of first shutoff dish. Compared with the prior art, the utility model discloses can take the area to press the leaking stoppage operation, reduce the maintenance degree of difficulty, save maintenance duration, reduce the maintenance influence.
Description
Technical Field
The utility model belongs to the technical field of plugging device, concretely relates to plugging device for valve pipeline.
Background
The urban centralized heat supply is a civil engineering, the living standard of people is continuously improved along with the development of society, the urban centralized heat supply is necessary for the life of common people, and the quality of the centralized heat supply directly influences the life quality of the common people. Therefore, the urban central heating must ensure stable and reliable operation, and the problems can be timely treated and solved.
However, in the operation process of a thermal heating pipeline, the compensator is cracked, so that the thermal power supply is stopped for a long time easily, the work and life of residential users are greatly influenced, even economic losses are caused to industrial users, and meanwhile, a heating unit is wasted by large energy, so that the emergency repair task needs to be efficiently completed in a short time. Especially, the major diameter pipeline more than DN600, water supply pressure is big, water supply temperature is high, need close the valve of front end among the prior art, meets the not tight condition of valve closure, can't cut off rivers completely, can not realize welding under the anhydrous environment, need close more last grade valve again, or bypass drainage, the defect and the problem that exist are: the waiting time is long; the compensator is difficult to replace and the influence surface is enlarged.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a plugging device for valve pipeline to solve pipeline, compensator leakage maintenance difficulty, it is long, influence big technical problem.
The utility model discloses a valve is plugging device for pipeline's technical scheme is:
the utility model provides a plugging device for valve pipeline, includes first semicircular plate and lower semicircular plate that can the cross-under, plugging device still includes the cross-under first semicircular plate and the fixed structure that lower semicircular plate is fixed, the downside of lower semicircular plate be equipped with the communicating pipe of the inside intercommunication of lower semicircular plate arc, be equipped with the stop valve on communicating pipe, the one end of first semicircular plate, the one end of lower semicircular plate are equipped with the first shutoff dish of semicircular that can the cross-under, the other end of lower semicircular plate are equipped with the second shutoff dish of semicircular that can the cross-under, be equipped with semicircular shutoff groove on the inboard cambered surface of first shutoff dish, the tank bottom of shutoff groove is equipped with the radial injection hole that runs through of a plurality of first shutoff dish.
As a further improvement to the above technical solution, the arc surface and the end surface of the first plugging disc are coplanar with the arc surface and the end surface of the second plugging disc.
As a further improvement to the above technical solution, the aperture of the circular hole surrounded by the upper semicircular plate and the lower semicircular plate is larger than the aperture of the circular hole surrounded by the two first plugging discs and the two second plugging discs.
As a further improvement to the above technical solution, the aperture of the circular hole surrounded by the two first plugging discs is equal to the aperture of the circular hole surrounded by the two second plugging discs.
As a further improvement to the above technical solution, the fixing structure includes an upper connecting plate, a lower connecting plate, and a fixing bolt, the upper connecting plate is horizontally fixed on the outer wall of the upper semicircular plate, the lower connecting plate is horizontally fixed on the outer wall of the lower semicircular plate, the upper connecting plate and the lower connecting plate both extend along the length direction of the upper semicircular plate, the upper connecting plate and the lower semicircular plate have the same projection in the up-down direction, and the fixing bolt is fixedly connected between the upper connecting plate and the lower connecting plate.
As a further improvement to the above technical solution, the fixing bolt includes a stud and nuts connected to both ends of the stud.
The utility model provides a plugging device for valve pipeline compares in prior art, has following advantage:
the utility model discloses a when plugging device for valve pipeline used, when the compensator damaged and leaked, according to compensator specification and size, prefabricated first semicircular plate and second semicircular plate, with first semicircular plate and second semicircular plate butt joint on the compensator, opened the stop valve. And the semicircular plate and the lower semicircular plate are fixedly connected by using a fixing bolt, and the upper semicircular plate and the lower semicircular plate are fixed and then are welded together in a spot mode. After the upper semi-annular plate and the lower semi-annular plate are welded firmly, a first plugging disc is welded at one end of the upper semi-annular plate, and a second plugging disc is welded at the other end of the upper semi-annular plate; the first plugging discs are welded at one end of the lower semicircular plate, the second plugging discs are welded at the other end of the lower semicircular plate, and therefore it is guaranteed that the two first plugging discs are located at the same end and the two second plugging discs are located at the same end. The first blocking disk should generally be mounted at the free end of the compensator. When a first plugging disc with a plugging groove is welded, firstly, a matched high-pressure graphite packing is filled into the plugging groove, after the first plugging disc and a second plugging disc are welded, all connecting joints are welded firmly, then, material injection heads are installed in all material injection holes, a high-pressure gun is used for filling plugging materials, after the material injection of all material injection holes is finished, a stop valve is closed, and the leakage is detected. If the material injection hole has leakage, high-pressure plugging materials can be continuously injected into the leakage part until the leakage does not occur. After the pressurized plugging work is finished, the plugging fixture and the exposed pipelines on the two sides are subjected to anticorrosion and heat preservation treatment, backfilling is carried out according to a specified procedure, and the overhaul work is finished. Compared with the prior art, the utility model discloses a plugging device for valve pipeline can take the area to leaking stoppage operation to pipeline, compensator, has reduced the maintenance degree of difficulty, has saved maintenance duration, has reduced the maintenance influence.
Drawings
Fig. 1 is a schematic structural view of the plugging device for a valve pipeline of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural view of a first plugging disc in the leak stopping device for the valve pipeline of the present invention;
fig. 4 is a schematic structural view of a second plugging disc in the plugging device for the valve pipeline of the present invention;
reference numbers in the figures: 1. an upper semi-annular plate; 2. a lower semi-annular plate; 3. a connecting pipe; 4. a stop valve; 5. a first plugging disc; 6. a second plugging disc; 7. a material injection hole; 8. plugging materials; 9. an upper connecting plate; 10. a lower connecting plate; 11. a double-ended screw; 12. and (6) plugging the groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
the utility model discloses a specific embodiment of plugging device for valve pipeline, as shown in fig. 1, fig. 2, fig. 3, fig. 4, including first semicircular plate 1 and second semicircular plate 2, the cross-section of the inboard cambered surface of first semicircular plate 1 is the semiannulus, and the cross-section of the inboard cambered surface of second semicircular plate 2 also is the semiannulus. The upper semi-annular plate 1 and the lower semi-annular plate 2 can form a through hole with a circular section after being buckled with each other, and the two ends of the upper semi-annular plate 1 and the two ends of the lower semi-annular plate 2 are coplanar when the upper semi-annular plate 1 and the lower semi-annular plate 2 are buckled with each other.
In this embodiment, the outer wall of the upper semi-annular plate 1 is welded with an upper connecting plate 9, and the upper connecting plate 9 has four pieces. Two of the four upper connecting plates 9 are welded on one side of the upper semi-annular plate 1, and the other two upper connecting plates 9 are welded on the other side of the upper semi-annular plate 1. The upper connecting plates 9 on two sides of the upper semi-annular plate 1 are symmetrically arranged, and each upper connecting plate 9 is provided with a through hole. The upper connecting plate 9 is a rectangular plate, and the upper connecting plate 9 extends in the horizontal direction. Two upper connecting plates 9 positioned on the same side of the upper semi-annular plate 1 are positioned at the same height, and the two upper connecting plates 9 are arranged at intervals.
In this embodiment, the outer wall of the lower semi-annular plate 2 is welded with a lower connecting plate 10, and the lower connecting plate 10 has four pieces. Two of the four lower connecting plates 10 are welded to one side of the lower semi-annular plate 2, and the other two lower connecting plates 10 are welded to the other side of the lower semi-annular plate 2. The lower connecting plates 10 on the two sides of the lower semi-annular plate 2 are symmetrically arranged, and each lower connecting plate 10 is provided with a through hole. The lower connecting plate 10 is a rectangular plate, and the lower connecting plate 10 extends in the horizontal direction. The two lower connecting plates 10 on the same side of the lower semi-annular plate 2 are positioned at the same height, and the two lower connecting plates 10 are arranged at intervals. When the upper semi-annular plate 1 and the lower semi-annular plate 2 are buckled, the projection of the upper connecting plate 9 on the upper semi-annular plate 1 and the projection of the lower connecting plate 10 on the lower semi-annular plate 2 in the vertical direction are overlapped, namely, the upper connecting plate 9 and the lower connecting plate 10 correspond to each other in the vertical direction.
In this embodiment, when the upper half ring plate 1 and the lower half ring plate 2 are buckled, the upper connecting plate 9 and the lower connecting plate 10 corresponding to the upper connecting plate 9 are fixedly connected by a fixing bolt. The fixing bolt comprises a double-headed screw 11 and two nuts, the upper connecting plate 9 is upwards worn out from one end of the double-headed screw 11, and the lower connecting plate 10 is downwards worn out from the other end of the double-headed screw 11. The two ends of the double-headed screw 11 are respectively in threaded connection with nuts, and the upper semi-annular plate 1 and the lower semi-annular plate 2 are fixedly connected through fixing bolts.
In this embodiment, fixedly connected with connecting pipe 3 on the downside of lower connecting plate 10, connecting pipe 3 is linked together with the inboard cambered surface of lower connecting plate 10 is inside, is connected with stop valve 4 on the connecting pipe 3, and stop valve 4 can control the break-make of connecting pipe 3.
In this embodiment, one end of the upper semicircular plate 1 is welded with a first plugging disc 5, the first plugging disc 5 is semicircular, the other end of the upper semicircular plate 1 is welded with a second plugging disc 6, and the second plugging disc 6 is also semicircular. The arc surface and the end surface of the first plugging disc 5 are coplanar with the arc surface and the end surface of the second plugging disc 6. When the upper semicircular plate 1 and the lower semicircular plate 2 are buckled, the two first plugging discs 5 are buckled, and the two second plugging discs 6 are buckled. When the upper semi-annular plate 1 and the lower semi-annular plate 2 are buckled, the aperture of the round hole formed by the two first plugging discs 5 is equal to the aperture of the round hole formed by the two second plugging discs 6, and the aperture of the round hole formed by the two first plugging discs 5 is smaller than the aperture of the round hole formed by the upper semi-annular plate 1 and the lower semi-annular plate 2.
In this embodiment, the inner arc surfaces of the two first blocking discs 5 are respectively provided with a blocking groove 12, and the blocking grooves 12 are also in a semi-annular structure. The bottom of the plugging groove 12 is provided with a plurality of material injection holes 7 which radially penetrate through the first plugging disc 5, and the plurality of material injection holes 7 are uniformly arranged at intervals along the first plugging disc 5.
The utility model discloses a when plugging device for valve pipeline used, when the compensator damaged and leaked, according to compensator specification and size, prefabricated first semicircular plate 1 and second semicircular plate 2, with first semicircular plate 1 and second semicircular plate 2 left-hand thread on the compensator, opened stop valve 4. And the semicircular plate and the lower semicircular plate 2 are fixedly connected by using a fixing bolt, and the upper semicircular plate 1 and the lower semicircular plate 2 are fixed and then are welded together in a spot mode. After the upper semi-annular plate 1 and the lower semi-annular plate 2 are welded firmly, a first plugging disc 5 is welded at one end of the upper semi-annular plate 1, and a second plugging disc 6 is welded at the other end; the first plugging disc 5 is welded at one end of the lower semicircular plate 2, the second plugging disc 6 is welded at the other end of the lower semicircular plate, two first plugging discs 5 are ensured to be positioned at the same end, and two second plugging discs 6 are ensured to be positioned at the same end. The first blocking disk 5 should generally be mounted at the free end of the compensator. When the first plugging disc 5 with the plugging groove 12 is welded, the matched high-pressure graphite packing is filled into the plugging groove 12, all connecting seams are welded firmly after the first plugging disc 5 and the second plugging disc 6 are welded, then the material injection heads are arranged in all the material injection holes 7, a high-pressure gun is used for filling the plugging materials, after the material injection of all the material injection holes 7 is finished, the stop valve 4 is closed, and the leakage is detected. If the material injection hole 7 has leakage, high-pressure plugging materials 8 can be continuously injected into the leakage part until the leakage does not occur. After the pressurized plugging work is finished, the plugging fixture and the exposed pipelines on the two sides are subjected to anticorrosion and heat preservation treatment, backfilling is carried out according to a specified procedure, and the overhaul work is finished. Compared with the prior art, the utility model discloses a plugging device for valve pipeline can take the area to leaking stoppage operation to pipeline, compensator, has reduced the maintenance degree of difficulty, has saved maintenance duration, has reduced the maintenance influence.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a plugging device for valve pipeline, its characterized in that, includes first semicircular plate and lower semicircular plate that can the cross-under, plugging device still includes the cross-under first semicircular plate and the fixed structure of lower semicircular plate fixed, the downside of lower semicircular plate be equipped with the communicating pipe of the inside intercommunication of lower semicircular plate arc, be equipped with the stop valve on communicating pipe, the one end of first semicircular plate, the one end of lower semicircular plate are equipped with the first shutoff dish of semiannular that can the cross-under, the other end of lower semicircular plate, the other end of lower semiannular plate are equipped with the second shutoff dish of semiannular that can the cross-under, be equipped with semicircular shutoff groove on the inboard cambered surface of first shutoff dish, the tank bottom of shutoff groove is equipped with a plurality of and radially runs through the notes material hole of first shutoff dish.
2. The plugging device for a valve pipeline according to claim 1, wherein the arc surface and the end surface of the first plugging disc are coplanar with the arc surface and the end surface of the second plugging disc.
3. The leak stopping device for the valve pipeline as recited in claim 2, wherein the diameter of the circular hole defined by the upper semicircular plate and the lower semicircular plate is larger than the diameter of the circular hole defined by the two first blocking discs and the two second blocking discs.
4. A leak stopping device for a valve pipeline according to claim 3, wherein the diameter of the circular hole surrounded by the two first plugging discs is equal to the diameter of the circular hole surrounded by the two second plugging discs.
5. The leak stopping device for the valve pipeline as recited in claim 1, wherein the fixing structure comprises an upper connecting plate, a lower connecting plate and a fixing bolt, the upper connecting plate is horizontally fixed on the outer wall of the upper semi-annular plate, the lower connecting plate is horizontally fixed on the outer wall of the lower semi-annular plate, the upper connecting plate and the lower connecting plate both extend along the length direction of the upper semi-annular plate, the upper connecting plate and the lower semi-annular plate have the same projection in the vertical direction, and the fixing bolt is fixedly connected between the upper connecting plate and the lower connecting plate.
6. The leak stopping device for a valve pipeline as claimed in claim 5, wherein the fixing bolt comprises a stud screw and nuts connected to both ends of the stud screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120985460.XU CN215215317U (en) | 2021-05-10 | 2021-05-10 | Plugging device for valve pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120985460.XU CN215215317U (en) | 2021-05-10 | 2021-05-10 | Plugging device for valve pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215215317U true CN215215317U (en) | 2021-12-17 |
Family
ID=79448886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120985460.XU Active CN215215317U (en) | 2021-05-10 | 2021-05-10 | Plugging device for valve pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215215317U (en) |
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2021
- 2021-05-10 CN CN202120985460.XU patent/CN215215317U/en active Active
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