CN210291141U - Bolt fastening clamp for oil conveying pipeline - Google Patents
Bolt fastening clamp for oil conveying pipeline Download PDFInfo
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- CN210291141U CN210291141U CN201920476076.XU CN201920476076U CN210291141U CN 210291141 U CN210291141 U CN 210291141U CN 201920476076 U CN201920476076 U CN 201920476076U CN 210291141 U CN210291141 U CN 210291141U
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Abstract
The utility model discloses a bolt fastening clamp for an oil pipeline, which comprises a first sleeve main body and a second sleeve main body, wherein the first sleeve main body is provided with a first connecting part, the first connecting part is provided with a plurality of first bolt holes, two ends right above the first sleeve main body are provided with exhaust holes, and the first sleeve main body is provided with a first adjusting device; the second sleeve is characterized in that a second connecting portion is arranged on the second sleeve main body, a plurality of second bolt holes are formed in the second connecting portion, a glue injection hole is formed in the center of the second sleeve main body, and a second adjusting device is arranged on the second sleeve main body. The utility model discloses simple structure, convenient to use can realize low risk operation, permanent restoration, can be in the complicated, indiscriminate littery of topography area construction.
Description
Technical Field
The utility model relates to an oil pipeline technical field especially relates to a bolt-up anchor clamps for oil pipeline.
Background
The oil and gas transmission pipeline is widely used in the production and transportation process of the petrochemical industry, and various defects are usually caused by the influence of various factors in the operation process, such as corrosion, inevitable scratch, cracks caused by welding, slag inclusion and the like. The existence and development of the defects can directly threaten the safety of the pipeline, and if the pipeline replacement mode is adopted, the method has long construction period and high cost and influences the normal conveying work. Under the condition, the pipeline reinforcing and repairing technology becomes a key technical measure for ensuring the oil and gas gathering and transportation benefit and the safe operation of the pipeline. The reinforcement is to repair and reinforce the pipeline defects by various methods, so that the safe operation pressure of the pipeline is recovered.
In the prior art, the method has the defects that,
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of above-mentioned technique, the utility model aims at providing a bolt-up anchor clamps for oil pipeline, this anchor clamps pass through the bolt with first sleeve main part, second sleeve main part fastening connection, then pour into epoxy into, have good mechanical properties, corrosion resisting property and sealing performance.
In order to achieve the technical purpose, the utility model adopts the technical proposal that: a bolt fastening clamp for an oil conveying pipeline comprises a first sleeve main body and a second sleeve main body, wherein a first connecting part is arranged on the first sleeve main body, a plurality of first bolt holes are formed in the first connecting part, exhaust holes are formed in two ends right above the first sleeve main body, and a first adjusting device is arranged on the first sleeve main body; the second sleeve is characterized in that a second connecting portion is arranged on the second sleeve main body, a plurality of second bolt holes are formed in the second connecting portion, a glue injection hole is formed in the center of the second sleeve main body, and a second adjusting device is arranged on the second sleeve main body.
Further, the first and second connecting portions are shorter than the first and second sleeve bodies.
Further, the first connecting portion and the second connecting portion are longer than the first sleeve body and the second sleeve body.
Further, the plurality of first bolt holes and the plurality of second bolt holes are distributed at equal intervals.
Furthermore, the first adjusting device and the second adjusting device are respectively composed of four adjusting bolts, and the positions of the first adjusting device and the second adjusting device correspond to each other.
Furthermore, the glue injection hole is a pipeline which extends out of the second sleeve main body and is 5-8 cm in length.
Furthermore, first sleeve main part, second sleeve main part pass through bolt-up connection, are carried out concentricity by first adjusting device, second adjusting device and adjust, then adopt the force pump to pass through the injecting glue hole and pour into epoxy.
Furthermore, the epoxy resin adopts a liquid solvent-free two-component modified material, and has extremely high toughness and bonding force.
The utility model has the advantages that:
by adopting the technical scheme, the problem that the pipeline cannot be permanently repaired due to the fact that thermal stress corrosion is easily generated during steel plate reinforcement welding is solved. The middle sleeve body of the utility model is made of thin-wall steel cylinder material, the rigidity is equivalent to the rigidity of the pipeline, and the middle sleeve has stronger compression resistance, impact resistance and shearing resistance; the epoxy resin modified by liquid solvent-free bi-component is injected into the clamp, so that the clamp has extremely high toughness and bonding force, the integral reinforcing structure can deform in cooperation with the pipeline, and meanwhile, the mechanical stress of a defect point can be well transferred, and the clamp has the construction process characteristics of medium impermeability, medium stability resistance, aging resistance, heat resistance and diversity and has strong sealing performance.
The utility model discloses simple structure, convenient to use can realize low risk operation, permanent restoration, can be in the complicated, indiscriminate littery of topography area construction.
Drawings
FIG. 1 is a schematic structural view of a first sleeve according to the present invention;
FIG. 2 is a schematic structural view of a second sleeve according to the present invention;
FIG. 3 is a schematic view of the assembly structure of the present invention;
FIG. 4 is a schematic structural view of a first sleeve according to another structure of the present invention;
FIG. 5 is a schematic structural view of a second sleeve according to another embodiment of the present invention;
FIG. 6 is a schematic view of another structure assembly structure of the present invention;
fig. 7 is a flow chart of the installation process of the present invention.
In the figure: 1-a first sleeve body, 2-a second sleeve body, 3-bolts, 4-an oil pipeline, 11-a first connecting part, 12-a first bolt hole, 13-an exhaust hole, 14-a first adjusting device, 21-a second connecting part, 22-a second bolt hole, 23-a glue injection hole and 24-a second adjusting device.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the present invention clearer and easier to understand, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-6, the utility model provides a bolt fastening clamp for oil pipeline, including first sleeve main part 1, second sleeve main part 2, be equipped with first connecting portion 11 on the first sleeve main part 1, be equipped with a plurality of first bolt holes 12 on the first connecting portion 11, both ends directly over the first sleeve main part 1 are equipped with exhaust hole 13, be equipped with first adjusting device 14 on the first sleeve main part 1; the second sleeve body 2 is provided with a second connecting portion 21, the second connecting portion 21 is provided with a plurality of second bolt holes 22, a central position of the second sleeve body is provided with a glue injection hole 23, and the second sleeve body is provided with a second adjusting device 24.
Further, the first and second connection portions 11 and 21 are shorter than the first and second sleeve bodies 1 and 2.
Further, the first and second connection portions 11 and 21 are longer than the first and second sleeve bodies 1 and 2.
Further, the first and second plurality of bolt holes 12, 22 are all distributed equidistantly.
Further, the first adjusting device 14 and the second adjusting device 24 are respectively composed of four adjusting bolts, and the positions of the first adjusting device 14 and the second adjusting device 24 correspond to each other.
Furthermore, the glue injection hole 23 is a pipeline extending out of the second sleeve main body and having a length of 5-8 cm.
Further, the first sleeve body 1 and the second sleeve body 2 are fastened and connected through bolts 3, concentricity is adjusted through the first adjusting device 14 and the second adjusting device 24, and then epoxy resin is injected through the glue injection hole by using a pressure pump.
Furthermore, the epoxy resin adopts a liquid solvent-free two-component modified material, and has extremely high toughness and bonding force.
The working mode is as follows:
adopt the utility model discloses carry out the oil pipeline reinforcement, generally need according to following construction flow: the method comprises the steps of on-site excavation, pipeline surface cleaning, anticorrosive coating stripping, defect confirmation, pipe surface sand blasting, clamp installation, end sealing, injection machine tool positioning, injection pipeline connection, epoxy resin batching, epoxy resin injection, exhaust, surface anticorrosion, thickness measurement electric spark leakage detection, on-site acceptance inspection and backfill.
In the construction process, the prepared defect repairing and leveling glue is needed to level the external corrosion points of the oil pipeline before the clamp is installed, the inner and outer surfaces of the first sleeve main body 1 and the second sleeve main body 2 need to be subjected to sand blasting treatment to Sa2.5 level, and if the internal and outer surfaces cannot reach the Sa2.5 level, an electric tool can be adopted to perform polishing treatment to ST3 level. Adopt the supplementary manual work of hoist and mount machinery to be in the same place first sleeve main part 1 and the 2 lock joints of second sleeve main part of this anchor clamps, must guarantee that all defect points are all cladding in the anchor clamps space, must make first connecting portion 11 align with second connecting portion 21 at this in-process, penetrate first bolt hole 12 and second bolt hole 22 pretension with bolt 3 in proper order, leave certain regulation space. The concentricity of the clamp is adjusted by rotating the first adjusting device 14 and the second adjusting device 24, so that the annular gap between the clamp and the oil pipeline is basically consistent, and the gap size can be observed by naked eyes manually or measured by a measuring tool in an auxiliary manner. After the concentricity of the clamp is adjusted to meet the requirement, the first connecting part 11 and the second connecting part 21 can be tightly connected together through the bolt 3, and meanwhile, the two ends of the clamp are sealed by rubber sealing belts. One end of the pressure pump is connected with a container filled with injection materials through an injection pipe, and the other end of the pressure pump is connected with an injection hole 23 through an injection pipe, wherein the injection materials are epoxy resins prepared by bi-component epoxy glue, special powder and curing agents according to a mixing ratio strictly. And starting the pressure pump to inject the epoxy resin into the clamp, wherein the continuity of the injection process must be ensured. In the process of injecting epoxy, will observe gas vent 13 constantly, when gas vent 13 all had the epoxy to flow out, stop the pump immediately, treat that epoxy utilizes self gravity evacuation and fills the gap, inject into again after 3 minutes, will guarantee that gas vent 13 has certain outflow, stop injecting this moment, close the force pump and accomplish and inject.
The exhaust hole 13 is provided with the plugging wire, the upper plane of the plugging wire is enabled to be parallel and level with the outer surface of the clamp, the injected epoxy resin is enabled to be primarily cured after 3-5 hours, the rubber sealing strips at the two ends of the clamp are removed, the clamp and the outer surface of the oil pipeline with the anticorrosive coating stripped are subjected to anticorrosive treatment, the prepared epoxy resin is adopted for coating twice, a period of time is waited after the first coating is finished, the coating for the second time is carried out after the first coating is dried, and the total thickness is enabled not to be less than 800 mu m after the two times of coating is finished.
The clamp is designed into two structures: fig. 1 to 3 are schematic diagrams of a first structure, which is characterized in that the first connecting part 11 and the second connecting part 21 are shorter than the first sleeve main body 1 and the second sleeve main body 2, and the corrosion pit depth is less than 45% of the thickness of the oil pipeline wall; fig. 4 to 6 are schematic views of a second structure, which is characterized in that the first connecting portion 11 and the second connecting portion 21 are longer than the first sleeve body 1 and the second sleeve body 2. The corrosion pit depth is 45% -70% of the thickness of the oil pipeline wall. The utility model discloses simple structure, convenient to use can realize low risk operation, permanent restoration, can be in the complicated, indiscriminate littery of topography area construction.
The aforesaid is only the utility model discloses a preferred embodiment, and is not right the utility model discloses do any restriction, the all basis the utility model discloses any change that technical scheme's design made all should be contained within the protection scope.
Claims (7)
1. The utility model provides a bolt-up anchor clamps for oil pipeline, includes first sleeve main part, second sleeve main part, its characterized in that: the first sleeve main body is provided with a first connecting part, the first connecting part is provided with a plurality of first bolt holes, two ends of the first sleeve main body right above the first sleeve main body are provided with exhaust holes, and the first sleeve main body is provided with a first adjusting device; the second sleeve is characterized in that a second connecting portion is arranged on the second sleeve main body, a plurality of second bolt holes are formed in the second connecting portion, a glue injection hole is formed in the center of the second sleeve main body, and a second adjusting device is arranged on the second sleeve main body.
2. The bolt fastening jig for an oil pipeline according to claim 1, characterized in that: the first and second connecting portions are shorter than the first and second sleeve bodies.
3. The bolt fastening jig for an oil pipeline according to claim 1, characterized in that: the first connecting portion and the second connecting portion are longer than the first sleeve main body and the second sleeve main body.
4. The bolt fastening jig for an oil pipeline according to claim 1, characterized in that: a plurality of first bolt holes, a plurality of second bolt hole are the equidistance and distribute.
5. The bolt fastening jig for an oil pipeline according to claim 1, characterized in that: the first adjusting device and the second adjusting device are respectively composed of four adjusting bolts, and the positions of the first adjusting device and the second adjusting device correspond to each other.
6. The bolt fastening jig for an oil pipeline according to claim 1, characterized in that: the glue injection hole is a pipeline which extends out of the second sleeve main body and is 5-8 cm long.
7. The bolt fastening jig for an oil pipeline according to claim 1, characterized in that: the first sleeve body and the second sleeve body are connected through bolts in a fastening mode, concentricity of the first adjusting device and the second adjusting device is adjusted, and then the pressure pump is used for injecting epoxy resin through the glue injection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920476076.XU CN210291141U (en) | 2019-04-10 | 2019-04-10 | Bolt fastening clamp for oil conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920476076.XU CN210291141U (en) | 2019-04-10 | 2019-04-10 | Bolt fastening clamp for oil conveying pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210291141U true CN210291141U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920476076.XU Active CN210291141U (en) | 2019-04-10 | 2019-04-10 | Bolt fastening clamp for oil conveying pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210291141U (en) |
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2019
- 2019-04-10 CN CN201920476076.XU patent/CN210291141U/en active Active
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