CN207599243U - A hydraulic oil and gas pipeline damage repair device - Google Patents

Abstract

The utility model discloses a damaged prosthetic devices of fluid pressure type oil gas pipeline, including hydraulic pressure mechanism, seal part, the hydraulic pressure mechanism includes upper gland, lower gland, upper gland and lower gland are the arc structure, upper gland is equipped with pneumatic cylinder one and pneumatic cylinder two, pneumatic cylinder one below is connected with hydraulic stem one, pneumatic cylinder two below is connected with hydraulic stem two, the lower extreme of hydraulic stem two is connected to the lower gland side, hydraulic stem one end is equipped with the hydraulic stem head, the left end of upper gland and lower gland all is equipped with a T type notch, pneumatic cylinder one and hydraulic stem are overhead to be equipped with the connection buckle, let pneumatic cylinder one and hydraulic stem head be connected to upper gland and lower gland through the connection buckle; the sealing part comprises an upper sealing plate and a lower sealing plate, the upper sealing plate and the lower sealing plate are of semicircular arc section structures, and two ends of the upper sealing plate and the lower sealing plate are provided with a section of connecting buckle. The utility model discloses a hydraulic pressure mechanism compresses tightly seal part, then keeps encapsulated situation through the bolt, directly keeps seal part's leakproofness through welded mode when necessary.

Description

A hydraulic oil and gas pipeline damage repair device

technical field

The utility model belongs to the technical field of oil and gas gathering and transportation, in particular to a hydraulic oil and gas pipeline damage repair device.

Background technique

In the way of oil transportation, pipeline is one of the most commonly used transportation tools. However, during the use of the pipeline, if it encounters corrosion, perforation, external force impact, etc., it is prone to damage, resulting in oil leakage, pipe pressure drop, and economic losses. and ecological damage. Since the liquid inside the oil pipeline is basically flammable, it cannot be welded directly in the state of oil leakage. If the welding is not good, there will be safety hazards. Therefore, the method of welding is generally not used to repair leaks, and the method of mechanical connection is used. It is safer and safer to perform temporary leak repair and then replace the pipeline during maintenance, but the cost requirement for replacing the entire section of pipeline is high, which is not conducive to saving costs. Therefore, for safety reasons, it is best to use permanent Permanent fixed way to ensure the safety of pipeline sealing.

Utility model content

In view of the above problems, the utility model provides a hydraulic oil and gas pipeline damage repair device, which compresses the sealing parts through a hydraulic mechanism, and then maintains the sealing state through bolts, and directly maintains the sealing performance of the sealing parts by welding when necessary.

The technical scheme of the utility model is:

A hydraulic oil and gas pipeline damage repair device, including a hydraulic mechanism and a sealing component, the hydraulic mechanism includes an upper gland and a lower gland, the upper gland and the lower gland are thick metal plates with an arc structure, and the arc structure There is a straight section at both ends of the rear metal plate, and hydraulic cylinders are provided on the left and right sides of the upper gland, which are respectively used as hydraulic cylinder one and hydraulic cylinder two. Rod 2, the lower end of the hydraulic rod 2 is connected to the side of the lower gland, a hydraulic rod head is provided at one end of the hydraulic rod, a T-shaped notch is provided at the left end of the upper gland and the lower gland, and a T-shaped notch is provided on the hydraulic cylinder 1. The connecting buckle corresponding to the T-shaped notch, the hydraulic rod head is provided with a connecting buckle corresponding to the T-shaped notch, the hydraulic cylinder is connected to the upper gland through the connecting buckle, and the hydraulic rod head is connected to the lower gland through the connecting buckle. Gland;

The sealing part includes an upper sealing plate and a lower sealing plate, the upper sealing plate and the lower sealing plate have the same size, both of which are semi-circular arc segment structures, and a connecting buckle is provided at both ends, and a bolt hole is provided on the connecting buckle. The upper sealing plate corresponds to the upper gland, the lower sealing plate corresponds to the lower gland, and the bolt holes are provided with matching connecting bolts.

Further, the end of the connection buckle of the lower gland and the connection buckle of the upper gland are each provided with a slope, which serves as a small welding groove after being fitted together.

Further, both ends of the sides of the lower gland and the upper gland are provided with a section of triangular cross-section as a large welding groove.

Further, the contact surface between the lower gland and the upper gland is a smooth surface with a roughness of Ra0.8.

The beneficial effects of the utility model are:

The utility model is provided with a reusable hydraulic mechanism and a separately used sealing part, and the combination of the two can fully seal the entire pipeline, and can choose to use bolt compression and welding sealing methods according to the small or high pressure of the pipeline. To achieve the repair of leaking pipelines.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is the right side view of platen mechanism and pipeline;

Fig. 3 is the right view of hydraulic mechanism;

Fig. 4 is the structural representation of small welding groove;

Fig. 5 is a structural schematic diagram of a large welding groove.

In the picture:

1 is hydraulic cylinder 1, 2 is hydraulic rod 1, 3 is hydraulic cylinder 2, 4 is hydraulic rod 2, 5 is upper gland, 6 is lower gland, 7 is upper sealing plate, 8 is lower sealing plate, 9 is Connecting section, 10 is a bolt hole, 11 is a connecting bolt, 12 is a connecting buckle, 13 is a hydraulic rod head, 14 is a large welding groove, and 15 is a small welding groove.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

As shown in Figures 1 to 5, a hydraulic oil and gas pipeline damage repair device includes a hydraulic mechanism and a sealing component. The hydraulic mechanism includes an upper gland 5 and a lower gland 6. The upper gland 5 and the lower gland 6 are A thick metal plate with an arc-shaped structure, a straight section is provided at both ends of the back metal plate of the arc-shaped structure, and hydraulic cylinders are provided on the left and right sides of the upper gland 5, which are respectively used as hydraulic cylinder one 1 and hydraulic cylinder two 3, and the hydraulic cylinder The bottom of one 1 is connected with hydraulic rod one 2, the lower part of hydraulic cylinder two 3 is connected with hydraulic rod two 4, the lower end of hydraulic rod two 4 is connected to the side of lower gland 6, the end of hydraulic rod one 2 is provided with hydraulic rod head 13, and the upper gland 5 and the left end of the lower gland 6 are provided with a T-shaped notch, the hydraulic cylinder 1 is provided with a connecting buckle 12 corresponding to the T-shaped notch, and the hydraulic rod head is provided with a connecting buckle corresponding to the T-shaped notch 12. The hydraulic cylinder one 1 is connected to the upper gland 5 through the connecting buckle 12, and the hydraulic rod head 13 is connected to the lower gland 6 through the connecting buckle 12; the sealing parts include the upper sealing plate 7 and the lower sealing plate 8 , the size of the upper sealing plate 7 and the lower sealing plate 8 are the same, both of which are semi-circular arc segment structures, and a section of connecting buckle 12 is provided at both ends, and a bolt hole 10 is provided on the connecting buckle 12, and the upper sealing plate 7 corresponds to the upper pressure The cover 5 and the lower sealing plate 8 correspond to the lower gland 6, and the bolt holes 10 are provided with connecting bolts 11 for supporting use.

The end of the connecting buckle 12 of the lower gland 6 and the connecting buckle 12 of the upper gland 5 is provided with a section of inclined surface, which is used as a small welding bevel 15 after fitting, and the bottom of the lower gland 6 and the upper gland 5 Both ends of the side are provided with a triangular cross-section as the large welding groove 14, the small welding groove 15 is a V-shaped groove, and the large welding groove 14 is a V-shaped groove with a blunt edge.

The contact surface between the lower gland 6 and the upper gland 5 is a smooth surface with a roughness of Ra0.8, which ensures that the bonding surfaces are in close contact and improves the sealing effect.

The using method of the present utility model is as follows:

When the pipeline is damaged, especially the annular crack, and it is difficult to seal it by conventional spot welding or partial sealing, first close the oil pipeline and clean up the oil leakage on its surface, and then seal the upper sealing plate 7 and the lower sealing plate 7. The plate 8 is set on the oil pipeline, and then the upper gland 5 and the lower gland 6 are crossed over the oil pipeline, and the hydraulic cylinder one 1 and the hydraulic rod head 13 are adjusted to a suitable distance from the upper gland 5 and the lower gland 6, and the It is aligned and installed into the upper gland 5 and the lower gland 6, and then the control device of the hydraulic cylinder is activated to compress the upper sealing plate 7 and the lower sealing plate 8. If the corresponding pressure of the oil pipeline is not large, the The connecting bolts 11 pass through the bolt holes 10 for fixing. If the pressure corresponding to the oil pipeline is relatively high, it is necessary to weld both the small welding groove 15 and the large welding groove 14 to further realize the fixing. It should be noted that at this time, since the contact surface between the connecting bolt 11 and the connecting section 9 has not been welded, it is necessary to set a gasket here, or use an upper sealing plate 7 and a lower sealing plate 8 without bolt holes 10 To seal, simply connect and fix by welding.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those who are familiar with this profession, without departing from the scope of the technical solution of the present utility model, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all without departing from the technical solution of the utility model Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (4)

1. a kind of fluid pressure type oil-gas pipeline breakage prosthetic device, including hydraulic mechanism, seal member, which is characterized in that the liquid Press mechanism includes upper press cover, lower cover, upper press cover and the thick sheet metal that lower cover is arcuate structure, the rear metallic plate of arcuate structure Both ends are respectively equipped with one section of straight section, and the left and right of upper press cover is equipped with hydraulic cylinder, respectively as hydraulic cylinder one and hydraulic cylinder two, hydraulic pressure One lower section of cylinder is connected with hydraulic stem one, and two lower section of hydraulic cylinder is connected with hydraulic stem two, and two lower end of hydraulic stem is connected to lower cover side Face, one end of hydraulic stem are equipped with hydraulic pressure head, and the left end of upper press cover and lower cover is all provided with there are one T-slot mouth, on hydraulic cylinder one Equipped with the corresponding connection buckle of T-slot mouth, hydraulic pressure head is equipped with connection buckle corresponding with T-slot mouth, passes through connection buckle Hydraulic cylinder one is allowed to be connected to upper press cover, hydraulic pressure head is allowed to be connected to lower cover by connection buckle；

The seal member includes upper sealing panel and lower sealing plate, and upper sealing panel is identical with the size of lower sealing plate, is semicircle Arc segment structure, both ends are equipped with one section of connection buckle, and buckle is equipped with bolt hole, and upper sealing panel corresponds to upper press cover, lower sealing plate pair Lower cover is answered, bolt hole is equipped with matching used connection bolt.

A kind of 2. fluid pressure type oil-gas pipeline breakage prosthetic device according to claim 1, which is characterized in that the lower cover Connection buckle and the connection buckle end of upper press cover be equipped with one section of inclined-plane, small welding groove is used as after fitting.

A kind of 3. fluid pressure type oil-gas pipeline breakage prosthetic device according to claim 1, which is characterized in that the lower cover The face that one section of section is triangle is equipped with the side both ends of upper press cover, as big welding groove.

4. a kind of fluid pressure type oil-gas pipeline breakage prosthetic device according to Claims 2 or 3, which is characterized in that under described The contact surface of gland and upper press cover be shiny surface, roughness Ra0.8.