CN215799907U

CN215799907U - Underwater-use-based stop clamp with sacrificial anode

Info

Publication number: CN215799907U
Application number: CN202121062047.2U
Authority: CN
Inventors: 任莉平; 王明学; 饶建红
Original assignee: ROC-MASTER PIPING SOLUTIONS Ltd
Current assignee: ROC-MASTER PIPING SOLUTIONS Ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-02-11
Anticipated expiration: 2031-05-18

Abstract

The utility model relates to a sacrificial anode-containing stop clamp used underwater, which acts on a section of shoulder-containing forged pipe of a submarine pipeline and is provided with a plurality of sacrificial anodes. This neotype locking clamping structural design is reasonable and cooperate and use epoxy paint protective coating and sacrificial anode, has prolonged the life of this product greatly, satisfies domestic submarine pipeline cost and delivery period demand, cooperates the use of hinge and anchor pile structure simultaneously, has effectively reduced seabed oil gas pipeline axial or lateral displacement that the sea water flow caused, and then has improved the life of submarine pipeline structure, riser, pipeline.

Description

Underwater-use-based stop clamp with sacrificial anode

Technical Field

The utility model relates to an anti-corrosion technology for marine metal and parts, in particular to a stop clamp with a sacrificial anode based on underwater use.

Background

In the prior art and the use environment, a submarine oil and gas conveying pipeline is often influenced by seawater flow to generate axial or transverse displacement, and the service life of a submarine pipeline structure, a riser and a pipeline is seriously influenced by excessive displacement. A stop system is therefore required to slow down the large displacements that occur in the pipeline. The metal structure is very easy to corrode in the marine corrosion environment, particularly for welding structural parts, the product behavior is invalid due to cracking of the welding seam caused by corrosion of seawater and stress conditions, and further the pipeline system is greatly lost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that in the prior art, a pipeline can be axially or transversely displaced under the influence of seawater flow, the service life of a submarine pipeline structure, a riser and the pipeline can be seriously influenced by overlarge displacement, and the problem that a stop clamp in the pipeline fails due to seawater corrosion is solved, so that the stop clamp with the sacrificial anode for slowing down the large displacement of the pipeline is provided.

In order to solve the technical problems, the utility model provides a retaining clamp with a sacrificial anode based on underwater use, which acts on a shouldered forged pipe on the seabed and is provided with a plurality of sacrificial anodes, and the retaining clamp comprises:

the locking clamp consists of an upper clamp and a lower clamp and is divided into an upper clamp and a lower clamp, a baffle is arranged at one end of the locking clamp, and a locking shaft hoop is formed between the locking clamp and the shoulder-equipped forged pipe through the baffle;

in one embodiment of the utility model, the main structure of the stop clamp is a welded structure, and the surface of the stop clamp is coated with an epoxy resin paint protective layer.

In one embodiment of the utility model, the upper clamp and the lower clamp in the stop clamp are both formed by taking a holding pipe and a wing plate as frames, and the upper clamp and the lower clamp are connected through a fastening bolt and a nut.

In one embodiment of the utility model, the stop clamp is provided with a transverse reinforcing rib and a longitudinal reinforcing rib, and the transverse reinforcing rib and the longitudinal reinforcing rib are vertically connected.

In one embodiment of the utility model, the transverse reinforcing rib is welded on the wing plate, and then the longitudinal reinforcing rib is connected with the holding pipe and the transverse reinforcing rib through welding.

In one embodiment of the utility model, the sacrificial anode comprises an aluminum indium zinc alloy block and a carbon steel insert.

In one embodiment of the utility model, a carbon steel insert is arranged in the aluminum indium zinc alloy block, and the aluminum indium zinc alloy block and the carbon steel insert are connected through casting molding.

In one embodiment of the utility model, the sacrificial anode is welded to the surface of the retaining clip by a carbon steel insert.

In one embodiment of the utility model, the wing plate is provided with a plurality of bolt holes, and two holes at the farthest transverse positions of the wing plate are integrally provided with reinforcing rings.

In one embodiment of the utility model, the sacrificial anodes on the stopping clamp are arranged in an array, and one surface of the sacrificial anodes, which is in contact with the stopping clamp (1), is provided with an epoxy resin paint protective coating.

Compared with the prior art, the utility model has the advantages that: this neotype locking clamping structural design is reasonable and the cooperation uses epoxy paint protective coating and sacrificial anode, has prolonged the life of this product greatly, satisfies domestic submarine pipeline cost and delivery phase demand, makes it avoid corroding and destroys, cooperates the use of hinge and anchor pile structure simultaneously, effectively avoids and reduces seabed oil gas conveying pipeline axial or lateral displacement that the sea water flow caused.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.

FIG. 1 is a schematic view of an assembly configuration with a sacrificial anode retaining clip based on underwater use;

FIG. 2 is a schematic structural view of a retaining clip;

FIG. 3 is a complementary structural view of the retaining clip;

FIG. 4 is a schematic structural view of a sacrificial anode;

FIG. 5 is a schematic view of the stop collar.

As shown in the figure: 1. the locking device comprises a locking clamp, 11, a sacrificial anode, 111, an aluminum indium zinc alloy block, 112, a carbon steel insert, 12, an upper clamp, 13, a lower clamp, 14, a baffle, 15, a transverse reinforcing rib, 16, a longitudinal reinforcing rib, 17, a holding pipe, 18, a wing plate, 2, a hinge, 3, an anchor pile, 31, a jaw adjuster, 4, a shoulder forging pipe and 5, a locking shaft hoop.

Detailed Description

As shown in fig. 1, fig. 2 and fig. 5, the present embodiment provides a sacrificial anode retaining clip for underwater use, wherein the retaining clip 1 acts on a shouldered forged pipe 4 on the sea bottom, and a plurality of sacrificial anodes 11 are arranged on the retaining clip 1, including:

the stop clamp comprises a stop clamp 1, wherein the stop clamp 1 consists of an upper clamp and a lower clamp, and is divided into an upper clamp 12 and a lower clamp 13, a baffle 14 is arranged at one end of the stop clamp 1, the baffle 14 is connected with a shaft shoulder on the shoulder forging pipe 4, the stop clamp 1 adopts carburizing steel of API2HGr.50, and a stop shaft hoop 5 is formed between the stop clamp 1 and the shoulder forging pipe 4 through the baffle 14;

specifically, anchor pile 3 locate the both sides of taking the shoulder to forge pipe 4, just anchor pile 3 link to each other with locking clamping 1 through hinge 2, anchor pile 3 on be equipped with jack catch regulator 31, jack catch regulator 31 link to each other with hinge 2, can adjust hinge 2 length through jack catch regulator 31.

In this embodiment, the main structure of the locking clip 1 is a welded structure, and the surface of the locking clip 1 is coated with an epoxy paint protective layer.

As shown in figures 2 and 3, the upper clamp 12 and the lower clamp 13 in the stop clamp 1 are both formed by a frame which is composed of a holding pipe 17 and a wing plate 18, and the upper clamp 12 and the lower clamp 13 are connected through a fastening bolt and a nut.

In this embodiment, the stop clip 1 is provided with a transverse reinforcing rib 15 and a longitudinal reinforcing rib 16, and the transverse reinforcing rib 15 and the longitudinal reinforcing rib 16 are vertically connected.

Specifically, the transverse reinforcing rib 15 is welded on the wing plate 18, then a through hole is drilled together with the wing plate 18, and then the longitudinal reinforcing rib 16 is connected with the holding pipe 17 and the transverse reinforcing rib 15 through welding.

Specifically, the arrangement of the transverse reinforcing ribs 15 and the longitudinal reinforcing ribs 16 strengthens the connection strength of the wing plates 18 and the holding pipes 17, so that when the wing plates (18) are pulled by stress, the stability of the stop clamp can be effectively supported, and the service life of the stop clamp 1 is prolonged.

In this embodiment, as shown in fig. 2, each of the retaining clips 1 is provided with eight sacrificial anodes 11, and as shown in fig. 4, each of the sacrificial anodes 11 includes an aluminum indium zinc alloy block 111 and a carbon steel insert 112.

The aluminum indium zinc alloy block 111 is internally provided with a carbon steel insert 112, and the aluminum indium zinc alloy block 111 is connected with the carbon steel insert 112 through casting molding.

The sacrificial anode 11 is connected with the surface of the retaining clip 1 in a welding way through a carbon steel insert 112.

In this embodiment, as shown in fig. one and fig. three, the wing plate 18 is provided with a plurality of bolt holes, and two holes of the wing plate 18 which are farthest in the transverse direction are integrally provided with reinforcing rings for connecting the hinge 2.

Sacrificial anodes 11 on the stopping clamp 1 are arranged in an array, and an epoxy resin paint protective coating is arranged on one surface, in contact with the stopping clamp 1, of the sacrificial anodes 11.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.

Claims

1. The utility model provides a take sacrificial anode locking clamp based on use under water, locking clamp (1) act on the shoulder of taking on the seabed forge pipe (4), and be equipped with a plurality of sacrificial anode (11) on locking clamp (1), its characterized in that includes:

locking clamp (1), locking clamp (1) constitute by upper and lower two-piece clamp, divide into clamp (12) and lower clamp (13), locking clamp (1) one end be equipped with baffle (14), forged between pipe (4) through baffle (14) locking clamp (1) and area shoulder and constitute locking collar (5).

2. A sacrificial anode retaining clip for underwater use as claimed in claim 1 wherein: the main structure of the locking clamp (1) is a welding structural part, and the surface of the locking clamp (1) is coated with an epoxy resin paint protective layer.

3. A sacrificial anode retaining clip for underwater use as claimed in claim 1 wherein: an upper clamp (12) and a lower clamp (13) in the stopping clamp (1) are both formed by taking an embracing pipe (17) and a wing plate (18) as frames, and the upper clamp (12) and the lower clamp (13) are connected through a fastening bolt and a nut.

4. A sacrificial anode retaining clip for underwater use as claimed in claim 3 wherein: the locking clamp (1) is provided with a transverse reinforcing rib (15) and a longitudinal reinforcing rib (16), and the transverse reinforcing rib (15) and the longitudinal reinforcing rib (16) are vertically arranged and connected.

5. A sacrificial anode retaining clip for underwater use as claimed in claim 4 wherein: the transverse reinforcing rib (15) is firstly welded on the wing plate (18), and then the longitudinal reinforcing rib (16) is connected with the holding pipe (17) and the transverse reinforcing rib (15) through welding.

6. A sacrificial anode retaining clip for underwater use as claimed in claim 1 wherein: the sacrificial anode (11) comprises an aluminum indium zinc alloy block (111) and a carbon steel insert (112).

7. A sacrificial anode retaining clip for underwater use as claimed in claim 6 wherein: a carbon steel insert (112) is arranged in the aluminum indium zinc alloy block (111), and the aluminum indium zinc alloy block (111) is connected with the carbon steel insert (112) through casting molding.

8. A sacrificial anode retaining clip for underwater use as claimed in claim 6 wherein: the sacrificial anode (11) is connected with the surface of the stop clamp (1) in a welding way through a carbon steel insert (112).

9. A sacrificial anode retaining clip for underwater use as claimed in claim 3 wherein: the wing plate (18) is provided with a plurality of bolt holes, and reinforcing rings are integrated on two holes which are farthest in the transverse direction of the wing plate (18).

10. A sacrificial anode retaining clip for underwater use as claimed in claim 1 wherein: sacrificial anodes (11) on the stopping clamp (1) are arranged in an array, and an epoxy resin paint protective coating is arranged on one surface, in contact with the stopping clamp (1), of the sacrificial anodes (11).