CN220373128U - Flange caliper and flange clamping assembly - Google Patents

Flange caliper and flange clamping assembly Download PDF

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Publication number
CN220373128U
CN220373128U CN202321953638.8U CN202321953638U CN220373128U CN 220373128 U CN220373128 U CN 220373128U CN 202321953638 U CN202321953638 U CN 202321953638U CN 220373128 U CN220373128 U CN 220373128U
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CN
China
Prior art keywords
flange
groove
push rod
abutted
clamping
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Application number
CN202321953638.8U
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Chinese (zh)
Inventor
帖春梅
杨建华
谢玉见
唐雪梅
黄铄
刘坤菊
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 Petroleum and Chemical Corp
Sinopec Southwest Oil and Gas Co
Original Assignee
China Petroleum and Chemical Corp
Sinopec Southwest Oil and Gas Co
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Priority to CN202321953638.8U priority Critical patent/CN220373128U/en
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Abstract

The utility model relates to the field of oil and gas pipeline installation, in particular to a flange caliper and a flange clamping assembly, wherein the flange caliper comprises a groove-shaped structural member, a clamping piece is arranged on the inner wall of one side of the groove-shaped structural member and can be abutted with a connecting hole of a flange to be abutted, an abutting mechanism is oppositely arranged on the clamping piece, the abutting mechanism penetrates through the groove-shaped structural member and can be abutted with the connecting hole of another flange to be abutted, and the clamping piece and the abutting mechanism are oppositely arranged, so that when the two flanges are close to each other, the connecting holes of the two flanges are aligned, the problems that the installation gap of the flanges is overlarge and a screw cannot be inserted are avoided, and the pipeline installation efficiency is improved; the flange clamping assembly is formed by arranging a plurality of flange calipers at intervals around the flange, and the flange and the pipeline are uniformly stressed and are not easy to deform by simultaneously acting on the flange through the plurality of flange calipers.

Description

Flange caliper and flange clamping assembly
Technical Field
The utility model relates to the field of oil and gas pipeline installation, in particular to a flange caliper and a flange clamping assembly.
Background
Petroleum and natural gas are main energy sources for production and life, mainly depend on pipeline transmission, flanges are commonly used in pipeline installation and equipment installation, are mainly used for connection of pipelines, are welded at the end heads of two pipelines to be connected respectively, and then enable the two flanges to be in butt joint and fixed through bolts, and have the advantages of being good in sealing of the connection parts and firm in connection.
However, when the flange is connected to the pipeline, there are cases where the installation gap of the flange to be butt-jointed is too large and the end faces of the flange are asymmetric, so that the screw cannot be inserted into the connecting hole of the flange to perform fastening operation.
Therefore, a technical scheme is needed at present to solve the technical problem that the screw is difficult to insert in the connecting hole due to overlarge installation space when the flanges are butted.
Disclosure of Invention
The utility model aims at: aiming at the technical problem that the screw is difficult to insert in the connecting hole due to overlarge installation space when the flanges are in butt joint, the flange caliper and the flange clamping assembly are provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the flange caliper comprises a groove-shaped structural member, wherein a clamping piece is arranged on one side inner wall of the groove-shaped structural member and can be abutted to a connecting hole of a to-be-abutted flange, an abutting mechanism is oppositely arranged on the clamping piece, and the abutting mechanism penetrates through the groove-shaped structural member and can be abutted to the connecting hole of another to-be-abutted flange.
According to the flange caliper, the clamping component is a groove-shaped structural component, the clamping component is arranged on one inner wall of the groove-shaped structural component, so that the clamping component is abutted against the connecting hole of the flange to be abutted, the abutting mechanism is arranged opposite to the clamping component and can be abutted against the connecting hole of the other flange to be abutted, and the abutting mechanism pushes the two flanges to be abutted to each other, so that the problem of overlarge installation gap of the flanges to be abutted is avoided; the pushing mechanism and the clamping piece are oppositely arranged, so that the pushing mechanism can correct the relative positions of the connecting holes of the two flanges to be butted while reducing the gap between the two flanges to be butted, thereby avoiding the problem that the screw cannot be inserted into the connecting holes of the flanges to carry out fastening operation; by using the flange caliper provided by the utility model, operators can quickly butt-joint the flange, and the installation efficiency of the pipeline is improved.
As a preferable mode of the utility model, the pushing mechanism comprises a push rod, one end of the push rod can be abutted with the connecting hole of the flange, the other end of the push rod is connected with the force application mechanism, and the push rod penetrates through the groove-shaped structural member. The end part of the push rod is provided with a force application mechanism, the force application mechanism can enable the push rod to push the two flanges to be close to each other more easily, the push rod passes through the groove-shaped structural member, and an operator can enable the push rod to apply force to the flange to be abutted by operating the force application mechanism outside the groove-shaped structural member.
As a preferable mode of the utility model, the clamping piece comprises a first conical head, a second conical head is arranged at the end part of the push rod, and the first conical head and the second conical head are arranged opposite to each other. The first conical head is clamped in the connecting hole of the flange, the second conical head is clamped in the connecting hole of the other flange, and the two flanges to be butt-jointed are close to each other through the force application of the force application mechanism.
As a preferred embodiment of the present utility model, the first conical head and the second conical head are each configured in a conical shape, or the first conical head and the second conical head are each configured in a truncated cone shape. The cone shape or the round table shape can be better clamped with the flange connection holes, and the cone shape or the round table shape can be clamped with the flange connection holes with different sizes, so that the usability of the flange calipers is improved.
As a preferred embodiment of the present utility model, the push rod is screwed with the groove-shaped structural member. The push rod is the screw rod, sets up the screw hole on the lateral wall of slot-shaped structure spare, through the adaptation connection of screw rod and screw hole, rotates the screw rod and can control the ring flange and impel, makes the distance that the push rod promoted can be by accurate control.
In a preferred embodiment of the present utility model, the urging mechanism includes an urging hole that radially penetrates the push rod, and an urging rod that is provided in the urging hole. The force application rod is in sliding connection with the force application hole, so that the force application rod can move in the force application hole, the direction of the force application is adjusted, and interference with the pipeline when the force application rod rotates is avoided.
As a preferable mode of the present utility model, the force applying mechanism includes a holding portion provided on the push rod, and the holding portion is provided with a holding surface adapted to a force applying tool. The force application tool is in limit connection with the clamping part, and the push rod can be driven to rotate by rotating the force application tool; the clamping part is a nut, and the nut can be matched with a force application tool connected with a moment arm with equal length of a spanner.
As a preferred embodiment of the present utility model, the groove-like structure includes a through groove. The through groove is formed by a bottom wall and two opposite side walls, one end of the side wall of the bottom wall is connected with the bottom wall, the through groove is preferably a U-shaped groove, in some embodiments, a V-shaped groove can be used, and an operator can observe the connection state of the push rod and the clamping piece conveniently.
As a preferable scheme of the utility model, the groove-shaped structural member is provided with the holding rod, the end part of the holding rod is connected with the groove-shaped structural member, and the holding rod is coated with the anti-slip piece. The holding rod is arranged to facilitate holding.
A flange clamping assembly comprises a plurality of flange calipers, wherein the plurality of flange calipers can be arranged along the circumferential distance of the flange to be abutted.
According to the flange clamping assembly, the flange calipers are arranged on the ring Zhou Jianju of the butt flange, so that the connecting surfaces of two flanges to be butt-jointed can be tightly attached, and the flange in the clamped state of the flange calipers tends to be in a fastening completion state under the combined action of the flange calipers, so that the screw is conveniently fastened, and the deformation of the flange and a pipeline is avoided.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the flange caliper, the clamping component is arranged on one inner wall of the groove-shaped structural component, so that the clamping component is abutted against the connecting hole of the butt flange, the abutting mechanism is arranged opposite to the clamping component and can be abutted against the connecting hole of the other flange to be butt-jointed, and the abutting mechanism pushes the two flanges to be butt-jointed to be close to each other, so that the problem of overlarge installation gap of the flanges to be butt-jointed is avoided; the pushing mechanism and the clamping piece are oppositely arranged, so that the pushing mechanism can correct the relative positions of the connecting holes of the two flanges to be butted while reducing the gap between the two flanges to be butted, thereby avoiding the problem that the screw cannot be inserted into the connecting holes of the flanges to carry out fastening operation; by using the flange caliper provided by the utility model, operators can quickly butt-joint the flange, and the installation efficiency of the pipeline is improved.
2. The flange caliper is simple in structure, easy to manufacture and convenient to use, and when the clamping piece and the pushing mechanism are arranged oppositely and the two flanges are close to each other, the connecting holes of the two flanges are aligned, so that the problems that the flange installation gap is too large and the screw cannot be inserted are avoided, the pipeline installation efficiency is improved, and the flange caliper has good economic value and practical value.
3. According to the flange clamping assembly, the flange calipers are arranged on the ring Zhou Jianju of the butt flange, so that the connecting surfaces of two flanges to be butt-jointed can be tightly attached, and the flange in the clamped state of the flange calipers tends to be in a fastening completion state under the combined action of the flange calipers, so that the screw is conveniently fastened, and the deformation of the flange and a pipeline is avoided.
Drawings
FIG. 1 is a schematic diagram of the connection structure of a flange caliper according to embodiment 1;
FIG. 2 is a schematic front view of a flange caliper according to embodiment 1;
FIG. 3 is a schematic side view of a flange caliper of embodiment 1;
FIG. 4 is a schematic side view of a flange caliper of embodiment 2;
fig. 5 is a schematic structural view of a second conical head of embodiment 3;
fig. 6 is a schematic diagram of a connection structure of a flange clamping assembly according to embodiment 5.
Icon:
1-groove-shaped structural part, 2-clamping part, 3-connecting hole, 4-push rod, 5-force application mechanism, 6-second conical head, 7-clamping part, 8-holding rod and 9-anti-slip part.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
The flange caliper as shown in fig. 1-3 comprises a groove-shaped structural member 1, wherein a clamping piece 2 is arranged on one side inner wall of the groove-shaped structural member 1, the clamping piece 2 can be abutted with a connecting hole 3 of a flange to be abutted, an abutting mechanism is oppositely arranged on the clamping piece 2, and the abutting mechanism penetrates through the groove-shaped structural member 1 and can be abutted with the connecting hole 3 of another flange to be abutted.
Specifically, the pushing mechanism is a push rod 4, one end of the push rod 4 is abutted against the connecting hole 3 of the flange, the other end of the push rod is connected with the force application mechanism 5, the push rod 4 penetrates through the side wall of the groove-shaped structural member 1, the end part of the push rod 4 and the clamping piece 2 are arranged oppositely, and when the force application mechanism 5 is used for applying force to the push rod 4, the distance between the push rod 4 and the clamping piece 2 is shortened, so that the gap between the two flanges is shortened.
Specifically, the specific clamping piece 2 is a first conical head, the end part of the push rod 4 is provided with a second conical head 6, the conical tip part of the first conical head and the conical tip part of the second conical head 6 are oppositely arranged, so that the first conical head is clamped on the outer side wall of the flange, and the second conical head 6 is clamped on the outer side wall of the other flange, so that the push rod 4 pushes the flanges to be close to each other.
Specifically, the first conical head and the second conical head 6 are both configured into a round table shape, and the connecting hole 3 is clamped on the cylindrical conical surface, so that the stress of the connecting hole 3 is more uniform, and the deformation of the connecting hole 3 can be reduced.
Specifically, the push rod 4 is a screw rod, a threaded hole is formed in the groove-shaped structural member 1, the screw rod is connected with the threaded hole in an adaptive mode, and the distance between the first conical head and the second conical head 6 can be shortened or increased by controlling the rotation of the screw rod, so that the distance between the two flanges is accurately controlled.
Specifically, the urging mechanism 5 is composed of an urging hole penetrating along the radial direction of the screw and an urging rod penetrating through the urging hole, and the urging rod is slidably connected to the urging hole, so that the urging rod can slide to the other side of the urging hole to avoid the pipe to urge force when the urging rod rotates to abut against the pipe.
Specifically, limiting pieces are arranged at two ends of the force application rod, and the limiting pieces can be abutted with the screw rod, so that the force application rod is difficult to separate from the force application hole.
Specifically, the screw is further provided with a clamping part 7, the clamping part 7 is a nut, the nut is fixedly connected with the screw, a clamping surface arranged on the nut is matched with a force application tool such as a wrench, and the screw is rotated by rotating the nut through the force application tool, so that the distance between the first conical head and the second conical head 6 is shortened or increased.
Specifically, the groove-shaped structural member 1 is a through groove, that is, the groove-shaped structural member 1 is formed by a bottom wall and two opposite side walls, preferably a U-shaped groove, in some embodiments, a V-shaped groove is adopted, and the connection state of the clamping member 2 and the flange is easy to observe by adopting the U-shaped groove or the V-shaped groove, so that the connection state of the push rod 4 and the flange is easy to observe.
Specifically, the back of the groove-shaped structural member 1 is connected with the holding rod 8, one end of the holding rod 8 is connected with the groove-shaped structural member 1, the other end of the holding rod is coated with the anti-slip member 9, the anti-slip member 9 is a rubber structural member, and the holding rod 8 is vertically arranged on the outer surface of the groove-shaped structural member 1.
When the flange caliper is used, the connecting holes 3 of the two flanges to be butted are arranged in the grooves of the groove structural member, the first conical head is abutted against the connecting hole 3 of one flange, the second conical head 6 is abutted against the connecting hole 3 of the other flange, and then the screw is rotated through the force application mechanism 5, so that the distance between the first conical head and the second conical head 6 is shortened, and the two flanges are pushed to be close to each other.
According to the flange caliper, the clamping piece 2 is arranged on one inner wall of the groove-shaped structural piece 1, so that the clamping component is abutted against the connecting hole 3 of the butt flange, the abutting mechanism is arranged opposite to the clamping piece 2, the abutting mechanism can be abutted against the connecting hole 3 of the other flange to be abutted, and the abutting mechanism pushes the two flanges to be abutted against each other, so that the problem that the installation gap of the flanges to be abutted against is overlarge is avoided; the pushing mechanism and the clamping piece 2 are oppositely arranged, so that the pushing mechanism can correct the relative positions of the connecting holes 3 of the two flanges to be butted while reducing the gap between the two flanges to be butted, thereby avoiding the problem that a screw rod cannot be inserted into the connecting holes 3 of the flanges to carry out fastening operation; by using the flange caliper provided by the utility model, operators can quickly butt-joint the flange, and the installation efficiency of the pipeline is improved.
Example 2
A flange caliper as shown in fig. 4 has substantially the same structure as that of embodiment 1, except that a groove adapted to the shape of a pipe is formed in the side wall of a groove-like structure member 1, unlike embodiment 1.
Specifically, the groove can be nested with the outer wall of the pipe.
Preferably, a plurality of clamping pieces 2 are arranged on the inner wall of the groove-shaped structural member 1, and the clamping pieces 2 are abutted with the connecting holes 3 of the butt flange, so that the butt flange is stressed more uniformly.
According to the flange caliper, the groove is clamped with the outer wall of the pipeline, so that the flange caliper is convenient to install.
Example 3
A flange caliper as shown in fig. 5 has substantially the same structure as that of embodiment 1, except that both the first taper head and the second taper head 6 are configured in a conical shape, unlike embodiment 1.
Example 4
A flange caliper of this embodiment is substantially the same in structure as embodiment 1, except that the pushing mechanism includes a hydraulic push rod 4.
Specifically, the hydraulic push rod 4 is connected to the groove-like structure 1.
Example 5
A flange clamp assembly as shown in fig. 6 includes two flange calipers of embodiment 1/embodiment 2/embodiment 3 that can be placed circumferentially spaced apart along the flange to be butted.
Specifically, two groove-like structural members 1 are symmetrically disposed on the upper and lower sides of the flange.
According to the flange clamping assembly, two groove-shaped structural members 1 are arranged on a flange ring Zhou Jianju, and meanwhile, two flanges to be abutted are pushed to be close to each other, so that deformation of the flanges and a pipeline is avoided; in some embodiments, the channel-like structure 1 is provided in a plurality, spaced circumferentially along the flange.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The flange caliper is characterized by comprising a groove-shaped structural member (1), wherein a clamping piece (2) is arranged on one side inner wall of the groove-shaped structural member (1), the clamping piece (2) can be abutted to a connecting hole (3) of a to-be-abutted flange, an abutting mechanism is oppositely arranged on the clamping piece (2), and the abutting mechanism penetrates through the groove-shaped structural member (1) and can be abutted to the connecting hole (3) of another to-be-abutted flange.
2. Flange calliper according to claim 1, wherein the pushing means comprise a push rod (4), one end of the push rod (4) being able to be in abutment with the connection hole (3) of the flange, the other end being connected to the force application means (5), the push rod (4) passing through the channel-like structure (1).
3. A flange calliper according to claim 2, wherein said clamping member (2) comprises a first conical head, the end of said push rod (4) being provided with a second conical head (6), said first conical head and said second conical head (6) being arranged opposite each other.
4. A flange calliper according to claim 3, wherein said first and second conical heads (6) are each configured as a cone, or wherein said first and second conical heads (6) are each configured as a truncated cone.
5. A flange calliper according to claim 2, wherein said push rod (4) is screwed with said groove-like structure (1).
6. A flange calliper according to claim 2, wherein said forcing means (5) comprises a forcing hole radially penetrating said push rod (4) and a forcing rod arranged in said forcing hole.
7. A flange calliper according to claim 2, wherein said forcing means (5) comprises a clamping portion (7) provided on said push rod (4), said clamping portion (7) being provided with a clamping surface adapted to a forcing tool.
8. A flange calliper according to claim 1, wherein said groove-like structure (1) comprises a through groove.
9. Flange calliper according to any of claims 1-8, wherein the groove-like structure (1) is provided with a grip lever (8), the end of the grip lever (8) is connected to the groove-like structure (1), and the grip lever (8) is provided with an anti-slip element (9) in a cladding manner.
10. A flange clamping assembly comprising a plurality of flange clamps according to any one of claims 1-9, the plurality of flange clamps being positionable along the circumferential spacing of the flanges to be butted.
CN202321953638.8U 2023-07-24 2023-07-24 Flange caliper and flange clamping assembly Active CN220373128U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321953638.8U CN220373128U (en) 2023-07-24 2023-07-24 Flange caliper and flange clamping assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321953638.8U CN220373128U (en) 2023-07-24 2023-07-24 Flange caliper and flange clamping assembly

Publications (1)

Publication Number Publication Date
CN220373128U true CN220373128U (en) 2024-01-23

Family

ID=89572267

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321953638.8U Active CN220373128U (en) 2023-07-24 2023-07-24 Flange caliper and flange clamping assembly

Country Status (1)

Country Link
CN (1) CN220373128U (en)

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