CN213420306U - Seawater corrosion prevention dual clamping device for submarine pipeline maintenance - Google Patents
Seawater corrosion prevention dual clamping device for submarine pipeline maintenance Download PDFInfo
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- CN213420306U CN213420306U CN202022152087.8U CN202022152087U CN213420306U CN 213420306 U CN213420306 U CN 213420306U CN 202022152087 U CN202022152087 U CN 202022152087U CN 213420306 U CN213420306 U CN 213420306U
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Abstract
The utility model provides a prevent submarine pipeline maintenance of sea water corrosion and use dual clamping device, including interior anchor clamps and outer anchor clamps, interior anchor clamps comprise two first arcs and installation device, the both sides on two sides are fixed mounting installation device respectively around the periphery of first arc, outer anchor clamps comprise two second arcs and installation device, two fixed mounting installation device respectively around the periphery of second arc, two arc strips of periphery difference fixed mounting of every first arc, the arc spout is seted up respectively to the opposite face of two arc strips on every first arc, the second arc is located respectively between two corresponding arc strips. The manufacturing time of this device is shorter, is convenient for produce and manufacture, avoids bringing the risk for submarine pipeline because of the manufacturing time overlength, compares greatly reduced the cost of manufacture with machining hinge formula anchor clamps, and outer anchor clamps can play the fixed action to interior anchor clamps, and greatly reduced has increased the stability of this device.
Description
Technical Field
The utility model belongs to submarine pipeline maintenance equipment field, specifically speaking are dual clamping device is used in submarine pipeline maintenance of preventing seawater corrosion.
Background
The existing damage or disconnection of subsea pipelines in marine oil engineering often brings about significant marine pollution. The clamp adopted at home and abroad at present is a hinge type clamp formed by two half-watts, in order to ensure that the clamp is fully closed to generate longitudinal sealing (namely sealing at ear plates at two sides), the inner diameter of the closed two half-watts is far larger than the outer diameter of the submarine pipeline (namely an annular space is reserved between the clamp and the submarine pipeline, the circumferential sealing at two ends of the clamp is realized by filling half-watt holding flanges and extruding gaskets, the clamp realizes the sealing of the damaged part of the submarine pipeline by integrally sealing the clamp, so the sealing range is obviously expanded, any point of insufficient sealing can cause leakage, the flanges and the gaskets at the circumferential sealing at two ends of the clamp are discontinuous in the circumferential direction, the circumferential sealing difficulty is large, the operation technical requirement is high, in addition, the clamp is manufactured by mechanical processing and has long manufacturing period, the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prevent sea water corrosion's submarine pipeline maintenance and use dual clamping device for solve the defect among the prior art.
The utility model discloses a following technical scheme realizes:
a seawater corrosion resistant double clamping device for submarine pipeline maintenance comprises an inner clamp and an outer clamp, wherein the inner clamp comprises two first arc-shaped plates and a mounting device, the front and back sides of the periphery of each first arc-shaped plate are respectively fixedly provided with the mounting device, the outer clamp comprises two second arc-shaped plates and the mounting device, the front and back sides of the periphery of each second arc-shaped plate are respectively fixedly provided with the mounting device, the periphery of each first arc-shaped plate is respectively fixedly provided with two arc-shaped strips, the opposite surfaces of the two arc-shaped strips on each first arc-shaped plate are respectively provided with an arc-shaped chute, the second arc-shaped plates are respectively positioned between the two corresponding arc-shaped strips, the two sides of each second arc-shaped plate are respectively fixedly provided with a sliding block, the sliding blocks are respectively positioned in the corresponding arc-shaped chutes, the front and back ends of the opposite surfaces of the two arc-shaped strips on each first arc-shaped plate are respectively provided with, the clamping grooves are communicated with the corresponding arc-shaped sliding grooves respectively, a transverse metal gasket is fixedly mounted in the middle of the inner wall of the arc-shaped strip relative to the second arc-shaped plate, strip-shaped sealing strips are fixedly mounted on the metal gasket respectively, and a sealing rubber pad is fixedly mounted in the middle of the inner wall of the first arc-shaped plate respectively.
According to the seawater corrosion prevention double clamping device for the maintenance of the submarine pipeline, the half-watt radian of each of the first arc-shaped plate and the second arc-shaped plate is smaller than 180 degrees.
According to the seawater corrosion prevention double clamping device for the maintenance of the submarine pipeline, the friction gaskets are fixedly arranged on the two sides of the inner wall of the first arc-shaped plate respectively.
According to the seawater corrosion prevention double clamping device for the maintenance of the submarine pipeline, the sealing rubber gasket is thicker than the friction gasket.
The seawater corrosion prevention double clamping device for the maintenance of the submarine pipeline is characterized in that the installation device comprises an installation plate and a plurality of through holes, and the plurality of through holes are formed in the top surface of the installation plate.
According to the double clamping device for seawater corrosion prevention and maintenance of the submarine pipeline, the outer walls of the second arc-shaped plates are respectively and fixedly provided with the moving rings.
The utility model has the advantages that: the device is used for maintaining the submarine pipeline, after the submarine pipeline is damaged (or disconnected), a user moves the device through the existing mechanical arm equipment, the user enables the inner concave surfaces of the two first arc-shaped plates to clamp the submarine pipeline, the user moves the first arc-shaped plates to enable the sealing rubber gasket to be in contact with the damaged (or disconnected) part of the submarine pipeline and to be blocked, the user fixes the mounting devices on the two first arc-shaped plates through the bolt and nut structure to enable the two first arc-shaped plates to clamp the submarine pipeline, the user rotates the second arc-shaped plates through the existing mechanical arm equipment, the second arc-shaped plates rotate to respectively drive the corresponding sliding blocks to move, the sliding blocks move to be aligned with the clamping grooves, the two second arc-shaped plates are vertically placed at the moment, the user moves the two second arc-shaped plates relatively, and the two second arc-shaped plates relatively move to drive, the sealing strip is plugged up the clearance between with first arc, the user is fixed with the installation device on two second arcs through the bolt and nut structure, thereby realize submarine pipeline's maintenance, compare with current machining hinge formula anchor clamps, the fastness more of this device, sealed effect is better, in addition, this device is welding jig, the preparation time of this device is shorter, be convenient for carry out the manufacturing, avoid bringing the risk for submarine pipeline because of the manufacturing time overlength, compare greatly reduced the cost of manufacture with machining hinge formula anchor clamps, outer anchor clamps can play the fixed action to inner anchor clamps, the stability that has increased this device has significantly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is a side view of the outer clamp; fig. 4 is a view from direction B of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A double clamping device for sea water corrosion prevention submarine pipeline maintenance comprises an inner clamp and an outer clamp, wherein the inner clamp comprises two first arc-shaped plates 1 and a mounting device, the front and back sides of the periphery of each first arc-shaped plate 1 are respectively fixedly provided with the mounting device, the outer clamp comprises two second arc-shaped plates 2 and the mounting device, the front and back sides of the periphery of each second arc-shaped plate 2 are respectively fixedly provided with the mounting device, the periphery of each first arc-shaped plate 1 is respectively fixedly provided with two arc-shaped strips 5, the opposite surfaces of the two arc-shaped strips 5 on each first arc-shaped plate 1 are respectively provided with an arc-shaped chute 6, the second arc-shaped plates 2 are respectively positioned between the two corresponding arc-shaped strips 5, the two sides of each second arc-shaped plate 2 are respectively fixedly provided with a slide block 7, the slide blocks 7 are respectively positioned in the corresponding arc-shaped chutes 6, the front and back ends of the opposite surfaces of the two arc-shaped strips 5 on each first, the clamping grooves 10 are respectively located on the inner sides of the corresponding arc-shaped sliding grooves 6, the bottom surfaces of the clamping grooves 10 located above are communicated with the outside, and the top surfaces of the clamping grooves 10 located below are communicated with the outside, so that when the device is installed, the two clamping grooves 10 located on the front side are communicated with each other, the two clamping grooves 10 located on the rear side are communicated with each other, the clamping grooves 10 are respectively communicated with the corresponding arc-shaped sliding grooves 6, the transverse metal gasket 8 is fixedly installed in the middle of the inner wall of the second arc-shaped plate 2 relative to the arc-shaped strip 5, the strip-shaped sealing strips 9 are fixedly installed on the metal gasket 8 respectively, and the sealing rubber gaskets 12 are fixedly installed. The device is used for maintaining the submarine pipeline, after the submarine pipeline is damaged (or disconnected), a user moves the device through the existing mechanical arm equipment, the user enables the inner concave surfaces of the two first arc-shaped plates 1 to clamp the submarine pipeline, the user moves the first arc-shaped plates 1 to enable the sealing rubber mat 12 to be in contact with and block the damaged (or disconnected) part of the submarine pipeline, the user fixes the mounting devices on the two first arc-shaped plates 1 through a bolt and nut structure to enable the two first arc-shaped plates 1 to clamp the submarine pipeline, the user rotates the second arc-shaped plates 2 through the existing mechanical arm equipment, the second arc-shaped plates 2 rotate to respectively drive the corresponding sliding blocks 7 to move, the sliding blocks 7 move to be aligned with the clamping grooves 10, the two second arc-shaped plates 2 are vertically placed at the moment, the user moves the two second arc-shaped plates 2 relatively, the two second arc-shaped plates 2 relatively move to drive the sealing strips 9, sealing strip 9 plugs up the clearance between the first arc 1, the user fixes the installation device on two second arcs 2 through the bolt-nut structure, thereby realize submarine pipeline's maintenance, compare with current machining hinge formula anchor clamps, the fastness more of this device, sealed effect is better, in addition, this device is welding jig, the preparation time of this device is shorter, be convenient for carry out the manufacturing, avoid bringing the risk for submarine pipeline because of the manufacturing time overlength, compare greatly reduced the cost of manufacture with machining hinge formula anchor clamps, outer anchor clamps can play the fixed action to inner anchor clamps, the stability that has increased this device has significantly reduced.
Specifically, as shown in fig. 1 or 2 or 3 or 4, the first arc plate 1 and the second arc plate 2 of the present embodiment are both smaller than 180 degrees in half watt radian. The structure can apply maximum stretching to the first arc-shaped plate 1 and the second arc-shaped plate 2, thereby realizing more reliable sealing compared with a machining hinge type clamp.
Specifically, as shown in fig. 2 or 4, friction pads 11 are respectively fixedly mounted on two sides of the inner wall of the first arc-shaped plate 1 according to the embodiment. The friction pads 11 are in contact with the periphery of the submarine pipeline, and the friction pads 11 can increase the friction force between the inner wall of the first arc-shaped plate 1 and the periphery of the submarine pipeline, so that the device can be prevented from moving.
Further, as shown in fig. 2 or 4, the sealing rubber pad 12 of the present embodiment is thicker than the rubbing pad 11. After the sealing gasket 12 is compressed, the sealing gasket is in contact with the periphery of the submarine pipeline and is compressed, the friction gasket 11 can be in contact with the periphery of the submarine pipeline, and after the sealing gasket 12 is compressed, the sealing gasket can play a role in plugging cracks on the submarine pipeline.
Furthermore, as shown in fig. 1, the mounting device of the present embodiment is composed of a mounting plate 3 and a plurality of through holes 4, wherein the plurality of through holes 4 are formed on the top surface of the mounting plate 3. The mounting panel 3 can directly weld to the first arc 1 or the second arc 2 that correspond on, and processing is convenient and fastness more, and the user passes corresponding through-hole 4 and fixes through the nut with current bolt, and this fixed mode is simple common, simple to operate.
Further, as shown in fig. 1, the outer walls of the second arc-shaped plates 2 of the present embodiment are respectively fixedly provided with a moving ring 13. The user can remove this device through shift ring 13, and the user can rotate second arc 2 through shift ring 13 in addition, and it is more convenient to install.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a prevent sea water corrosion's submarine pipeline maintenance and use dual clamping device, includes interior anchor clamps and outer anchor clamps, interior anchor clamps comprise two first arcs (1) and installation device, and the both sides on two sides are fixed mounting installation device respectively around the periphery of first arc (1), and outer anchor clamps comprise two second arcs (2) and installation device, and two sides are fixed mounting installation device respectively around the periphery of second arc (2), its characterized in that: the periphery of each first arc-shaped plate (1) is respectively and fixedly provided with two arc-shaped strips (5), the opposite surfaces of the two arc-shaped strips (5) on each first arc-shaped plate (1) are respectively provided with an arc-shaped sliding groove (6), the second arc-shaped plate (2) is respectively positioned between the two corresponding arc-shaped strips (5), the two sides of the second arc-shaped plate (2) are respectively and fixedly provided with a sliding block (7), the sliding blocks (7) are respectively positioned in the corresponding arc-shaped sliding grooves (6), the front end and the rear end of the opposite surfaces of the two arc-shaped strips (5) on each first arc-shaped plate (1) are respectively provided with a clamping groove (10), the clamping grooves (10) are respectively positioned at the inner sides of the corresponding arc-shaped sliding grooves (6), the clamping grooves (10) are respectively communicated with the corresponding arc-shaped sliding grooves (6), the middle parts of the inner walls of the arc-shaped strips (5) relative to the second arc-shaped plates (2) are, the middle parts of the inner walls of the first arc-shaped plates (1) are respectively and fixedly provided with a sealing rubber gasket (12).
2. The seawater corrosion prevention dual clamping device for subsea pipeline maintenance according to claim 1, wherein: the first arc-shaped plate (1) and the second arc-shaped plate (2) are both smaller than 180 degrees in half watt radian.
3. The seawater corrosion prevention dual clamping device for subsea pipeline maintenance according to claim 1, wherein: and friction gaskets (11) are respectively and fixedly arranged on two sides of the inner wall of the first arc-shaped plate (1).
4. The seawater corrosion prevention dual clamping device for subsea pipeline maintenance according to claim 3, wherein: the sealing rubber gasket (12) is thicker than the friction gasket (11).
5. The seawater corrosion prevention dual clamping device for subsea pipeline maintenance according to claim 1, wherein: the mounting device comprises a mounting plate (3) and a plurality of through holes (4), wherein the plurality of through holes (4) are arranged on the top surface of the mounting plate (3).
6. The seawater corrosion prevention dual clamping device for subsea pipeline maintenance according to claim 1, wherein: the outer wall of the second arc-shaped plate (2) is fixedly provided with a movable ring (13) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022152087.8U CN213420306U (en) | 2020-09-27 | 2020-09-27 | Seawater corrosion prevention dual clamping device for submarine pipeline maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022152087.8U CN213420306U (en) | 2020-09-27 | 2020-09-27 | Seawater corrosion prevention dual clamping device for submarine pipeline maintenance |
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| Publication Number | Publication Date |
|---|---|
| CN213420306U true CN213420306U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022152087.8U Active CN213420306U (en) | 2020-09-27 | 2020-09-27 | Seawater corrosion prevention dual clamping device for submarine pipeline maintenance |
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| Country | Link |
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| CN (1) | CN213420306U (en) |
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- 2020-09-27 CN CN202022152087.8U patent/CN213420306U/en active Active
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