CN215721491U - Flange jumper damage repair clamp - Google Patents

Flange jumper damage repair clamp Download PDF

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Publication number
CN215721491U
CN215721491U CN202121773946.3U CN202121773946U CN215721491U CN 215721491 U CN215721491 U CN 215721491U CN 202121773946 U CN202121773946 U CN 202121773946U CN 215721491 U CN215721491 U CN 215721491U
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China
Prior art keywords
flange
clamping piece
clamp
connecting column
hole
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Active
Application number
CN202121773946.3U
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Chinese (zh)
Inventor
张海荣
陈可营
李泳志
沈林冬
杨波
邹菁
李常春
曹海军
廖波
马雷涛
莫醒宝
陆余
汪渊武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Offshore Oil Corp CNOOC
CNOOC China Ltd Zhanjiang Branch
CNOOC China Ltd Hainan Branch
Original Assignee
China National Offshore Oil Corp CNOOC
CNOOC China Ltd Zhanjiang Branch
CNOOC China Ltd Hainan Branch
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Application filed by China National Offshore Oil Corp CNOOC, CNOOC China Ltd Zhanjiang Branch, CNOOC China Ltd Hainan Branch filed Critical China National Offshore Oil Corp CNOOC
Priority to CN202121773946.3U priority Critical patent/CN215721491U/en
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Publication of CN215721491U publication Critical patent/CN215721491U/en
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Abstract

The utility model relates to the technical field of electrostatic protection on an oil and gas conveying pipeline, in particular to a damage repairing clamp for a flange jumper, which comprises a clamp piece clamped on a mating flange, a connecting structure used for forming an equipotential conductor by contacting with the mating flange and the clamp piece, and a protection structure used for protecting the mating flange; the connecting structure is detachably arranged on the clamp piece; the protective structure is arranged on the clamp piece. The oil gas transmission device is simple in overall structure arrangement, simple and efficient to install, and capable of eliminating static electricity on the companion flange by forming an equipotential conductor through the clamp piece, the connecting structure and the companion flange, effectively guaranteeing oil gas transmission safety, meanwhile, the companion flange can be effectively protected by the arrangement of the protection structure, and the service life of the companion flange is prolonged.

Description

Flange jumper damage repair clamp
Technical Field
The utility model relates to the technical field of electrostatic protection on an oil and gas conveying pipeline, in particular to a damage repairing clamp for a flange jumper.
Background
The oil and gas transmission pipeline is a steel pipeline, the friction between the medium such as oil and gas transmitted by the pipeline and the pipe wall and the height of the pipeline are different, particularly, static electricity is easily generated at the flange of the pipeline, the safety of the oil and gas transmission pipeline is affected due to the accumulation of the static electricity, binding posts are usually welded on the pairing flange of the oil and gas transmission pipeline, and conducting wires are connected on the two binding posts so as to eliminate the static electricity.
However, the wiring terminal and the conductor body thereof are extremely easy to be corroded chemically and electrochemically, so that the problems of wiring terminal fracture, conductor disconnection and the like are caused, in the past, the wiring terminals are repaired by welding, but the welding repair mode often causes various problems, such as shutdown repair, high operation technical requirements, long repair period, easy disastrous accidents such as oil and gas pipeline fire and explosion and the like, and low safety and the like.
Because it is more troublesome to restore after the mode of traditional terminal static elimination harms, also there is the static elimination through directly setting up the bridging sleeve on the flange at present, chinese patent (CN209569433U) discloses a flange equipotential bridging sleeve, including two semi-annular adapter sleeves, the inboard of this semi-annular adapter sleeve has semi-annular flange and presss from both sides the groove, be provided with the conductor wire in this semi-annular adapter sleeve, the both ends of conductor wire extend to the semi-annular flange inslot, can realize the electricity between two adjacent flanges and connect, and then can avoid the influence that electrostatic effect brought to pipeline, though this bridging sleeve can play fine effect of static elimination, but the structure of this patent sets up complicatedly, if directly regard as the damaged replacement of flange bridging wire to restore the bridging sleeve, the cost is higher, be unfavorable for extensive popularization and application.
Therefore, at present, an oil and gas delivery pipeline damage repairing clamp which is simple in structure setting, convenient to install, capable of effectively avoiding static electricity and capable of protecting a flange is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problems that the flange wiring terminal in the prior art is difficult to repair, the existing replacement bridging sleeve structure is complex in arrangement, inconvenient to install and high in use cost, the utility model provides the damage repair clamp for the flange bridging line on the oil and gas conveying pipeline, which is simple in structure arrangement, low in use cost, capable of quickly, simply and conveniently replacing and repairing the damaged flange wiring terminal and capable of protecting the flange.
In order to solve the technical problems, the utility model adopts the technical scheme that: a damage repair clamp for a flange jumper comprises a clamp piece clamped on a mating flange, a connecting structure used for forming an equipotential conductor by contacting with the mating flange and the clamp piece, and a protective structure used for protecting the mating flange; the connecting structure is detachably arranged on the clamp piece; the protective structure is arranged on the clamp piece.
The clamp piece can be clamped and connected on the mating flange, the connecting structure arranged on the clamp piece can be contacted with the mating flange, and the clamp piece, the connecting structure and the mating flange form an equipotential conductor, so that static electricity on the mating flange can be eliminated, the safety of oil gas conveying can be effectively ensured.
Preferably, the clamping member includes a first clamping member and a second clamping member detachably connected to the first clamping member.
Preferably, the connecting structure comprises at least one first connecting column in contact with one of the companion flanges and at least one second connecting column in contact with the other of the companion flanges; the first connecting column is detachably arranged on the first clamping piece; the second connecting column is detachably arranged on the second clamping piece.
Preferably, the first clamping piece is provided with a first through hole for the first connecting column to pass through; and a second through hole for the second connecting column to pass through is formed in the second clamping piece.
Preferably, the first connecting column and the second connecting column are self-tapping screws; the first through hole and the second through hole are threaded holes.
Preferably, the connecting structure comprises at least one connecting column which is in simultaneous contact with two of the companion flanges; the connecting column is detachably arranged on the first clamping piece or the second clamping piece.
Preferably, a third through hole for the connecting column to pass through is formed in the first clamping piece or the second clamping piece.
Preferably, the connecting column is a stud; the third through hole is a threaded hole.
Preferably, the protection structure comprises a first annular groove arranged on the inner side of the first clamping piece and a second annular groove arranged on the inner side of the second clamping piece; the first clamping piece is provided with a first sealing oil nozzle communicated with the first annular groove; and a second sealing oil nozzle communicated with the second annular groove is arranged on the second clamping piece.
Preferably, the outer sides of the first annular groove and the second annular groove are provided with sealing gaskets.
Compared with the prior art, the utility model has the beneficial effects that:
1) the clamp piece, the connecting structure and the companion flange are in mutual contact to realize the potential balance of the companion flange, so that static electricity is eliminated, the installation process is simple, convenient and efficient, and the clamp can be used as a replacement repair clamp which is convenient to use and can effectively eliminate the static electricity of the companion flange in an oil and gas conveying pipeline.
2) The clamp piece can be clamped on the companion flange fast and efficiently, and the first connecting column and the second connecting column are preferably self-tapping screws, so that paint, dust and the like on the surface of the companion flange can be punctured, the clamp piece can be in close contact with the companion flange better, and the aim of better eliminating static electricity can be fulfilled.
3) The protection structure can achieve the purposes of preventing water and moisture and dust from entering the companion flange, isolate the corrosion infringement of external water vapor and the like on the companion flange and prolong the service life of the companion flange on an oil-gas pipeline.
Drawings
FIG. 1 is a schematic view of the construction of the clamping member of the present invention;
FIG. 2 is a schematic structural view of embodiment 1 of the repair jig of the present invention;
FIG. 3 is a schematic view of a first clip and a shielding structure according to the present invention;
FIG. 4 is a schematic view of a second clip member and a shielding structure according to the present invention;
fig. 5 is a schematic structural view of embodiment 2 of the repair jig of the present invention.
In the drawings: 1-a clamping member; 11-a first clamp; 111-a first connector; 112-a first threaded hole; 12-a second clamp; 121-a second connector; 122-a second threaded hole; 13-a first via; 14-a second via; 15-a third via; 2-a linking structure; 21-a first connecting column; 22-a second connecting column; 23-connecting column; 3-a protective structure; 31-a first annular groove; 32-a second annular groove; 33-a first sealing nipple; 34-a second sealing nipple; 35-a seal gasket; 4-upper flange; 5-lower flange.
Detailed Description
Example 1
As shown in fig. 1-4, an embodiment 1 of a flange jumper damage repair clamp includes a clamp member 1, a connection structure 2, and a protection structure 3, where the clamp member 1 is used to clamp a companion flange, where the clamp member 1 is made of a steel material by casting, specifically, the clamp member 1 includes a first clamp member 11 and a second clamp member 12, the first clamp member 11 and the second clamp member 12 are both in a semicircular structure, both ends of the first clamp member 11 are provided with first connection members 111, the first connection members 111 are protrusions extending outward from an end of the first clamp member 11 along a direction perpendicular to a circumferential tangent of the end, the first connection members 111 and the first clamp member 11 are in an integrally formed structure, and the first connection members 111 are provided with first threaded holes 112; the two ends of the second clip member 12 are both provided with a second connecting member 121, the second connecting member 121 is a convex portion of the end of the second clip member 23 extending along a direction perpendicular to the circumferential tangent of the end, and the second connecting member 121 is provided with a second threaded hole 122.
During the use, entangle companion flange with the mutual block of first folder 11 and second folder 12 on, first connecting piece 111 and the second connecting piece 121 of first folder 11 and second folder 12 homonymy are close to the laminating mutually this moment, first screw hole 112 is relative with the position of second screw hole 122, pass first bolt hole 112 and second screw hole 122 with the bolt, and tighten with the nut, can realize the inseparable centre gripping of anchor clamps spare 1 on companion flange, the location installation of both being convenient for spliced pole 2 can play the guard action to companion flange again.
In this embodiment, the connecting structure 2 is detachably disposed on the clamping device 1, the connecting structure 2 includes at least one first connecting column 21 and at least one second connecting column 22, in this embodiment, one first connecting column 21 is disposed, one second connecting column 22 is disposed, the first connecting column 21 and the second connecting column 22 are made of copper materials with better conductivity, wherein the first clamping device 11 is provided with a first through hole 13, the first through hole 13 is disposed on the upper side of the first clamping device 11, and the first connecting column 21 can be in contact with the upper flange 4 of the companion flange through the first through hole 13; the second through hole 14 is formed in the second clamping piece 12, the second through hole 14 is formed in the lower edge side of the second clamping piece 12, the second connecting column 22 is in contact with the lower flange 5 in the mating flange through the second through hole 14, charges on the upper flange 4 can move to the clamp piece 1 through the first connecting column 21, charges on the lower flange 5 move to the clamp piece 1 through the second connecting column 22, meanwhile charges on the clamp piece 1 can also move to the upper flange 4 and the lower flange 5 through the first connecting column 21 and the second connecting column 22, the clamp piece 1, the first connecting column 21, the second connecting column 22 and the mating flange form an equipotential conductor through movement of the charges, and static electricity on the mating flange can be effectively eliminated.
The first connecting column 21 and the second connecting column 22 are self-tapping screws, the first through hole 13 and the second through hole 14 are threaded holes, and the connecting column 2 only needs to be screwed into the first through hole 13 or the second through hole 14 during installation, so that the labor is saved, convenience is achieved, meanwhile, the self-tapping screws can puncture paint, dust and the like on the surface of the companion flange, close contact with the companion flange is better achieved, and the purpose of better eliminating static electricity can be achieved.
The protection structure 3 may further protect the mating flange, specifically, the protection structure 3 includes a first annular groove 31, a second annular groove 32, a first sealing oil nipple 33 and a second sealing oil nipple 34, the first annular groove 31 is disposed at an inner side edge of the first clamping member 11, the second annular groove 32 is disposed at an inner side edge of the second clamping member 12, the first sealing oil nipple 33 is disposed on the first clamping member 11 and is communicated with the first annular groove 31, the sealing grease can be delivered into the first annular groove 31 through the first sealing grease 33, the second sealing oil nipple 34 is disposed on the second clamping member 12 and is communicated with the second annular groove 32, the sealing grease can be delivered into the second annular groove 32 through the second sealing oil nipple 34, when the first clamping member 11 and the second clamping member 12 are connected in an involution manner, the first annular groove 31 and the second annular groove 32 can be communicated, the sealing grease can achieve the purposes of water resistance, moisture resistance and dust prevention, and prevent the companion flange from being corroded too quickly; wherein the outside of first ring channel 31 and second ring channel 32 is enclosed and is equipped with sealed pad 35, and this sealed pad 34 is the rectangular of rubber material, and the setting of this sealed pad 35 can prevent that sealing grease from exposing, and the external aqueous vapor of further isolated simultaneously etc. is to companion flange's corruption infringement, companion flange's life on the extension oil gas pipeline.
The specific working principle of the utility model is as follows: the first clamping piece 11 and the second clamping piece 12 are clamped and sleeved on the mating flange, the first clamping piece 11 and the second clamping piece 12 penetrate through the first bolt hole 112 and the second threaded hole 122 through bolts and are screwed and fixed through nuts, the first clamping piece 11 and the second clamping piece 12 are tightly clamped on the mating flange, the first connecting column 21 is inserted into the first through hole 13 to be in contact with the upper flange 4 in the mating flange, the second connecting column 22 is inserted into the second through hole 14 to be in contact with the lower flange 5 in the mating flange, electric charges of the upper flange 4 and the lower flange 5 can move onto the clamp piece 1 through the first connecting column 21 and the second connecting column 22, the clamp piece 1, the first connecting column 21, the second connecting column 22 and the mating flange can form an equipotential conductor, the purpose of eliminating the mating flange can be achieved, in addition, sealing grease is conveyed into the first annular groove 31 and the second annular groove 32 through the first sealing grease nipple 33 and the second sealing nipple 34, the mating flange can be prevented from being waterproofed and moistureproof and dust, and the service life of the mating flange is prolonged.
Example 2
Fig. 5 shows an embodiment 2 of a damage repair jig for a flange jumper, which embodiment 2 is different from the above embodiment 1 in that: in this embodiment, the connecting structure 2 is specifically provided, the connecting structure 2 includes at least one connecting column 23, two connecting columns 23 are provided in this embodiment, the connecting columns 23 are made of copper, in this embodiment, third through holes 15 through which the connecting columns 23 pass are provided in the first clamping piece 11 and the second clamping piece 12, the two third through holes 15 are respectively provided at the middle positions of the first clamping piece 11 and the second clamping piece 12, the connecting column 23 is simultaneously contacted with the upper flange 4 and the lower flange 5 in the companion flange through the third through holes 15, the electric charge of the upper flange 4 can move to the lower flange 5 through the connecting column 23, the electric charge of the lower flange 5 can move to the upper flange 5 through the connecting column 23, further, accumulation of the electric charge on the upper flange 4 and the lower flange 5 can be avoided, and the purpose of eliminating static electricity is achieved.
Wherein the connecting column 23 is a stud, the third through hole 15 is a threaded hole, and the connecting column 23 only needs to be screwed in the third through hole 15 during installation, so that the labor is saved and the convenience is realized.
Other structures are the same as those described in the embodiments, and are not described in detail herein.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. 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. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a flange jumper damage repair anchor clamps which characterized in that: the protection device comprises a clamp piece (1) clamped on a mating flange, a connecting structure (2) and a protection structure (3), wherein the connecting structure is used for being in contact with the mating flange and the clamp piece (1) to form an equipotential conductor; the connecting structure (2) is detachably arranged on the clamp piece (1); the protective structure (3) is arranged on the clamp piece (1).
2. The flange jumper damage repair clamp of claim 1, wherein: the clamping piece (1) comprises a first clamping piece (11) and a second clamping piece (12) detachably connected with the first clamping piece (11).
3. The flange jumper damage repair clamp of claim 2, wherein: the connection structure (2) comprises at least one first connection column (21) in contact with one of the companion flanges and at least one second connection column (22) in contact with the other of the companion flanges; the first connecting column (21) is detachably arranged on the first clamping piece (11); the second connecting column (22) is detachably arranged on the second clamping piece (12).
4. The flange jumper damage repair clamp of claim 3, wherein: the first clamping piece (11) is provided with a first through hole (13) for the first connecting column (21) to pass through; the second clamping piece (12) is provided with a second through hole (14) for the second connecting column (22) to pass through.
5. The damage repair clamp for the flange jumper wire according to claim 4, wherein: the first connecting column (21) and the second connecting column (22) are self-tapping screws; the first through hole (13) and the second through hole (14) are both threaded holes.
6. The flange jumper damage repair clamp of claim 2, wherein: the connection structure (2) comprises at least one connection post (23) in simultaneous contact with two of the companion flanges; the connecting column (23) is detachably arranged on the first clamping piece (11) or the second clamping piece (12).
7. The flange jumper damage repair clamp of claim 6, wherein: and a third through hole (15) for the connecting column (23) to pass through is formed in the first clamping piece (11) or the second clamping piece (12).
8. The flange jumper damage repair clamp of claim 7, wherein: the connecting column (23) is a stud; the third through hole (15) is a threaded hole.
9. The flange jumper damage repair clamp of claim 1, wherein: the protective structure (3) comprises a first annular groove (31) arranged on the inner side of the first clamping piece (11) and a second annular groove (32) arranged on the inner side of the second clamping piece (12); a first sealing oil nozzle (33) communicated with the first annular groove (31) is arranged on the first clamping piece (11); and a second sealing oil nozzle (34) communicated with the second annular groove (32) is arranged on the second clamping piece (12).
10. The flange jumper damage repair clamp of claim 9, wherein: and sealing gaskets (35) are arranged on the outer sides of the first annular groove (31) and the second annular groove (32).
CN202121773946.3U 2021-07-31 2021-07-31 Flange jumper damage repair clamp Active CN215721491U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121773946.3U CN215721491U (en) 2021-07-31 2021-07-31 Flange jumper damage repair clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121773946.3U CN215721491U (en) 2021-07-31 2021-07-31 Flange jumper damage repair clamp

Publications (1)

Publication Number Publication Date
CN215721491U true CN215721491U (en) 2022-02-01

Family

ID=79991495

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121773946.3U Active CN215721491U (en) 2021-07-31 2021-07-31 Flange jumper damage repair clamp

Country Status (1)

Country Link
CN (1) CN215721491U (en)

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