CN221171314U - Inner and outer clamping plate type cast iron and cement pipeline plugging device - Google Patents
Inner and outer clamping plate type cast iron and cement pipeline plugging device Download PDFInfo
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- CN221171314U CN221171314U CN202323249755.9U CN202323249755U CN221171314U CN 221171314 U CN221171314 U CN 221171314U CN 202323249755 U CN202323249755 U CN 202323249755U CN 221171314 U CN221171314 U CN 221171314U
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- 239000004568 cement Substances 0.000 title claims abstract description 26
- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 3
- 235000009120 camo Nutrition 0.000 description 3
- 235000005607 chanvre indien Nutrition 0.000 description 3
- 239000011487 hemp Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- Pipe Accessories (AREA)
Abstract
The utility model belongs to the technical field of plugging tools for water supply pipelines, and relates to an inner clamping plate type cast iron and cement pipeline plugging device which comprises an inner clamping plate, an outer clamping plate, a screw rod and a gate-shaped frame, wherein the inner clamping plate is positioned at the inner side of a pipeline breakage hole, the screw rod is welded on the outer wall of the inner clamping plate, the screw rod faces the outside of the pipeline breakage hole, the outer clamping plate is positioned at the outer side of the pipeline breakage hole, the areas of the inner clamping plate and the outer clamping plate are larger than the area of the breakage hole, through holes corresponding to the positions of the screw rod are formed in the outer clamping plate, the through holes are used for penetrating the screw rod, the screw rod on the outer side of the outer clamping plate is connected with a first nut in a threaded manner, the gate-shaped frame spans on two sides of the breakage hole, two ends of the bottom of the gate-shaped frame are contacted with the outer wall of the pipeline, a through hole corresponding to the screw rod is formed in the top of the gate-shaped frame, and the screw rod penetrates the through holes from bottom to top and then is connected with a second nut in a threaded manner. The device has the advantages of simple manufacture, convenient use, cost saving, less required materials, ensuring the tightness of the clamping plate and the pipe wall, and greatly improving the safety and the service life of the pipeline operation.
Description
Technical Field
The utility model belongs to the technical field of plugging tools for water supply pipelines, and particularly relates to an inner and outer clamping plate type cast iron and cement pipeline plugging device.
Background
The metallurgical enterprise production process needs to consume a large amount of water resources, produces all kinds of water such as new water, circulating water, living water and carries through water supply pipeline, and wherein cast iron and cement material's pipeline accounts for very big proportion, because of the material characteristic, can't adopt the welding repair mode to carry out the rush repair when this kind of pipeline takes place to leak, can only adopt whole pipe to change or use half section to carry out the shroud collar, and the rush repair cycle is long, the expense is high. Once the pipe is near a hard stone or other obstacle or the leakage point is at the joint of the large end and the small end of the whole pipe bell and spigot, the method cannot be implemented, the water use safety of enterprises is seriously affected, and economic loss is brought to the enterprises.
Disclosure of Invention
The utility model aims to provide an inner and outer clamping plate type cast iron and cement pipeline plugging device which saves maintenance time and cost and prolongs the service life of a pipeline.
The technical scheme adopted for solving the technical problems is as follows: an inner and outer clamping plate type cast iron and cement pipeline plugging device comprises an inner clamping plate, an outer clamping plate, a screw rod and a door-shaped frame which are matched for use;
The inner clamping plate is located the inboard of pipeline broken hole department, the welding has the screw rod on the outer wall of inner clamping plate, the screw rod is outside towards the pipeline, the outer clamping plate is located the outside of pipeline broken hole department, the area of inner clamping plate and outer clamping plate is greater than the area of broken hole, be equipped with the through-hole that corresponds with the screw rod position on the outer clamping plate, the through-hole is used for passing the screw rod, threaded connection has first nut on the screw rod in the outer clamping plate outside, the both sides in broken hole are striden to the door type frame, and the bottom both ends and the pipeline outer wall contact of door type frame, the top of door type frame is equipped with the through-hole that suits with the screw rod, threaded connection second nut behind the through-hole is passed from bottom to top to the screw rod.
Further, the radians of the inner clamping plate and the outer clamping plate are the same as the radians of the pipelines to be repaired.
Further, the inner clamping plate comprises a left clamping plate and a right clamping plate, two screws are arranged on the two clamping plates, one screw is welded on each of the left clamping plate and the right clamping plate, and the left clamping plate is welded with the right clamping plate.
Further, the distance between the screws on the left clamping plate and the right clamping plate is smaller than the aperture of the pipeline breakage hole.
Further, the aperture of the through hole on the outer clamping plate and the aperture of the through hole on the door-shaped frame are 2-3mm larger than the diameter of the screw rod.
Further, the door-shaped frame comprises a cross beam and upright posts symmetrically welded at two ends of the cross beam, the bottoms of the upright posts are inclined planes, and through holes which are matched with the screw rods are formed in the cross beam.
Further, the screw is a full-wire screw.
Further, the inner clamping plate and the outer clamping plate are equal in area.
The utility model has the following beneficial effects:
1. The plugging device disclosed by the utility model is simple to manufacture and convenient to use, is suitable for the treatment of the leakage points of all parts of cast iron and cement water supply pipelines as a pipeline rush-repair device, can flexibly manufacture accessories according to the size of the leakage points, and effectively solves the problems that the whole pipe is difficult to replace and use a half joint, the construction difficulty is high, the labor is required, the limitation is caused by the topography condition and the like.
2. The plugging device disclosed by the utility model has the advantages of cost saving, less required materials, low manufacturing and installation cost, and only 5% of the replacement cost of the whole pipe and 10% of the half joint cost of the finished product.
3. The plugging device has good plugging effect, and the inner and outer steel clamping plates are used, so that the pressure bearing capacity of the pipeline is improved, meanwhile, plugging cement in the clamping plates can be protected from being impacted and corroded by water flow, the sealing property of the clamping plates and the pipeline wall is ensured by pressing oil hemp, and the running safety and the service life of the pipeline are greatly improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the inner and outer clamp plate type cast iron and cement pipeline plugging device of the utility model.
Fig. 2 is a schematic structural view of the inner clamping plate of the present utility model.
Fig. 3 is a schematic view of the structure of the door frame of the present utility model.
Fig. 4 is a view showing the effect of the plugging device for the inner and outer clamp plate type cast iron and cement pipelines.
In the figure, 1, an inner clamping plate, 2, an outer clamping plate, 3, a first nut, 4, a door-shaped frame, 5, a second nut, 6, a screw, 7, a pipeline, 8, a left clamping plate, 9, a right clamping plate, 10, a cross beam, 11, a stand column, 12, a through hole, 13 and a damaged hole.
Detailed Description
The following are specific examples of the present utility model, and the technical solutions of the present utility model are further described, but the scope of the present utility model is not limited to these examples. All changes and equivalents that do not depart from the gist of the utility model are intended to be within the scope of the utility model.
As shown in fig. 1-3, the plugging device for the inner and outer clamping plate type cast iron and cement pipelines comprises an inner clamping plate 1, an outer clamping plate 2, a screw 6 and a door-shaped frame 4 which are matched for use; the inside that interior splint 1 is located the broken hole 13 department of pipeline 7, the welding has screw rod 6 on the outer wall of interior splint 1, screw rod 6 is full silk screw rod, the screw rod is outside towards pipeline 7, outer splint 2 is located the outside of the broken hole 13 department of pipeline 7, the area of interior splint 1 and outer splint 2 is greater than the area of broken hole 13, be equipped with the through-hole that corresponds with screw rod 6 position on the outer splint 2, the through-hole is used for passing screw rod 6, threaded connection has first nut 3 on the screw rod 6 in the outer splint 2 outside, the both sides of locating broken hole 13 are striden to door type frame 4, and the bottom both ends and the pipeline 7 outer wall contact of door type frame 4, the top of door type frame 4 is equipped with the through-hole 12 that suits with screw rod 6, screw rod 6 passes through-hole 12 back threaded connection second nut 5 from the bottom to top.
In order to ensure the leak tightness of the inner clamping plate, the outer clamping plate and the pipeline, the radians of the inner clamping plate 1 and the outer clamping plate 2 are the same as the radians of the pipeline 7 to be repaired, and the areas of the inner clamping plate 1 and the outer clamping plate 2 are equal.
The inner clamping plate 1 comprises a left clamping plate 8 and a right clamping plate 9, two screws 6 are arranged, one screw 6 is welded on each of the left clamping plate 8 and the right clamping plate 9, and the left clamping plate 8 and the right clamping plate 9 are welded and connected. The distance between the screws 6 on the left clamping plate 8 and the right clamping plate 9 is smaller than the aperture of the broken hole 13 of the pipeline 7.
The door-shaped frame 4 comprises a cross beam 10 and upright posts 11 symmetrically welded at two ends of the cross beam 10, wherein the bottoms of the upright posts 11 are inclined planes or cambered surfaces, so that the bottoms of the upright posts 11 are stable and firm when in contact with the outer wall of the pipeline 7, through holes 12 which are adaptive to the screw rods 6 are formed in the cross beam 10, and the apertures of the through holes in the outer clamping plates 2 and the through holes 12 in the door-shaped frame 4 are 2-3mm larger than the diameters of the screw rods 6, so that the screw rods 6 can pass through the through holes freely.
The utility model discloses a plugging method of an inner and outer clamping plate type cast iron and cement pipeline plugging device, which comprises the following steps:
1) Cutting and blanking on a steel pipe with the same diameter as the pipeline 7 according to the area of a damaged hole 13 of the pipeline 7, ensuring that the radian is the same as that of the pipeline 7 to be repaired, cutting the cut-out area to be larger than the area of the damaged hole 13, cutting the cut-out arc-shaped steel plate into two pieces from a central line, dividing the cut-out arc-shaped steel plate into a left clamping plate 8 and a right clamping plate 9, respectively vertically welding two full-wire screws 6 on one side of the outer arcs of the left clamping plate 8 and the right clamping plate 9, and ensuring that the distance between the two screws 6 is smaller than the aperture of the damaged hole 13 of the pipeline;
2) Cutting a steel plate with the same area and radian as the inner clamping plate 1, and cutting two through holes according to the alignment position of the screw rod 6 on the inner clamping plate, wherein the aperture is 2-3 mm larger than the diameter of the full-wire screw rod;
3) The channel steel is used for welding the door-shaped bracket, the width is larger than that of the outer clamping plate 2, the position of the screw rod 6 is vertically aligned, two through holes 12 are formed in the cross beam 10, and the aperture is larger than the diameter of the whole screw rod 6 by 2-3 mm;
4) The processed left clamping plate 8 and right clamping plate 9 are separately placed into the damaged hole 13, and the left clamping plate 8 and the right clamping plate 9 are butted into a whole by a holding screw rod and then welded;
5) The outer clamping plate 2 is sleeved into the screw rod 6, and then the first nut 3 is screwed for standby;
6) The processed door-shaped frame 4 is vertically arranged right above the damaged hole 13, the screw rod 6 is sleeved in the through hole 12 on the cross beam 10, and the second nut 5 is added to lift the inner clamping plate 1;
7) After sealing oil hemp is added on the inner clamping plate 1 and the inner wall of the pipeline 7, continuously screwing the second nut 5 to lift the screw rod 6 until the inner clamping plate 1, the oil hemp and the inner wall of the pipeline 7 are tightly sealed;
8) Filling the stirred quick-drying cement into the damaged holes 13 with the inner clamping plate 1 as a supporting surface, and filling and trowelling the damaged holes so that the surface of the cement is slightly higher than the outer wall of the pipeline 7;
9) The outer clamping plate 2 is lowered along the screw rod 6 and covers the upper part of the damaged hole 13, and the first nut 3 is screwed down to enable the outer clamping plate 2 to press the outer wall of the pipeline 7;
10 After the cement is solidified for three hours, the second nut 5 is unscrewed, the door-shaped frame 4 is disassembled, the protruding screw rod 6 above the first nut 3 is cut off by using gas cutting or plasma cutting, the plugging effect is as shown in fig. 4, and the water supply is restored.
The plugging device is suitable for plugging treatment after leakage of cast iron and cement water supply pipelines, has the characteristics of simple manufacture, convenient use, good plugging effect and the like, solves the technical problems of long rush-repair period, high cost, non-ideal welding plugging position and the like of the traditional plugging method, improves the pipeline pressure bearing capacity and sealing performance of the position of a leakage point by using the inner and outer double-layer clamping plates, and improves the safety and service life of pipeline operation. And after the quick-drying cement is filled, the outside is covered and pressed with one layer of steel plate to fix, so that the leakage points are quickly plugged, water supply is recovered, normal operation of enterprises is facilitated, and maintenance time and cost are saved.
The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (8)
1. The plugging device for the inner and outer clamping plate type cast iron and cement pipelines is characterized by comprising an inner clamping plate, an outer clamping plate, a screw rod and a door-shaped frame which are matched for use;
The inner clamping plate is located the inboard of pipeline broken hole department, the welding has the screw rod on the outer wall of inner clamping plate, the screw rod is outside towards the pipeline, the outer clamping plate is located the outside of pipeline broken hole department, the area of inner clamping plate and outer clamping plate is greater than the area of broken hole, be equipped with the through-hole that corresponds with the screw rod position on the outer clamping plate, the through-hole is used for passing the screw rod, threaded connection has first nut on the screw rod in the outer clamping plate outside, the both sides in broken hole are striden to the door type frame, and the bottom both ends and the pipeline outer wall contact of door type frame, the top of door type frame is equipped with the through-hole that suits with the screw rod, threaded connection second nut behind the through-hole is passed from bottom to top to the screw rod.
2. The inner and outer clamping plate type cast iron and cement pipeline plugging device according to claim 1, wherein the radian of the inner clamping plate and the radian of the outer clamping plate are the same as the radian of a pipeline to be repaired.
3. The plugging device for the inner and outer clamp plate type cast iron and cement pipelines according to claim 2, wherein the inner clamp plate comprises a left clamp plate and a right clamp plate, two screws are arranged, one screw is welded on each of the left clamp plate and the right clamp plate, and the left clamp plate and the right clamp plate are welded and connected.
4. The inner and outer clamp plate type cast iron and cement pipeline plugging device according to claim 3, wherein the distance between the screws on the left clamp plate and the right clamp plate is smaller than the aperture of the pipeline breakage hole.
5. The inner and outer clamping plate type cast iron and cement pipeline plugging device according to claim 1, wherein the aperture of the through hole on the outer clamping plate and the aperture of the through hole on the door-shaped frame are 2-3mm larger than the diameter of the screw rod.
6. The plugging device for the inner and outer clamp plate type cast iron and cement pipelines according to claim 1, wherein the door-shaped frame comprises a cross beam and upright posts symmetrically welded at two ends of the cross beam, the bottom of each upright post is an inclined plane, and through holes which are matched with the screw rods are formed in the cross beam.
7. The inner and outer clamp-plate type cast iron and cement pipeline plugging device according to claim 1, wherein the screw is a full-wire screw.
8. The inner and outer clamp plate type cast iron and cement pipeline plugging device according to claim 1, wherein the areas of the inner clamp plate and the outer clamp plate are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323249755.9U CN221171314U (en) | 2023-11-30 | 2023-11-30 | Inner and outer clamping plate type cast iron and cement pipeline plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323249755.9U CN221171314U (en) | 2023-11-30 | 2023-11-30 | Inner and outer clamping plate type cast iron and cement pipeline plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221171314U true CN221171314U (en) | 2024-06-18 |
Family
ID=91441142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323249755.9U Active CN221171314U (en) | 2023-11-30 | 2023-11-30 | Inner and outer clamping plate type cast iron and cement pipeline plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221171314U (en) |
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2023
- 2023-11-30 CN CN202323249755.9U patent/CN221171314U/en active Active
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