CN220372887U - Online repairing device for flange sealing surface - Google Patents

Online repairing device for flange sealing surface Download PDF

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Publication number
CN220372887U
CN220372887U CN202322077115.8U CN202322077115U CN220372887U CN 220372887 U CN220372887 U CN 220372887U CN 202322077115 U CN202322077115 U CN 202322077115U CN 220372887 U CN220372887 U CN 220372887U
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CN
China
Prior art keywords
support
sealing surface
flange sealing
positioning
transmission
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Application number
CN202322077115.8U
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Chinese (zh)
Inventor
武怡明
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Huaneng Shandong Shidaobay Nuclear Power Co Ltd
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Huaneng Shandong Shidaobay Nuclear Power Co Ltd
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Priority to CN202322077115.8U priority Critical patent/CN220372887U/en
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Abstract

The embodiment of the disclosure provides an online repairing device for a flange sealing surface, which comprises a positioning support assembly, a transmission piece, an abrasive disk and a driving mechanism; the positioning support assembly is fixedly arranged on the flange sealing surface, the grinding disc is positioned between the positioning support assembly and the flange sealing surface, and the first end surface of the grinding disc is used for grinding the flange sealing surface; the transmission piece is rotatably arranged on the positioning support assembly in a penetrating mode, one end of the transmission piece is connected with the driving mechanism, the other end of the transmission piece is connected with the second end face of the grinding disc, and the transmission piece drives the grinding disc to rotate under the action of the driving mechanism so as to grind and repair the flange sealing face. The online repairing device for the flange sealing surface can be effectively fixed on the flange sealing surface, and is simple in structure, convenient to assemble and quick and convenient to operate.

Description

Online repairing device for flange sealing surface
Technical Field
The embodiment of the disclosure belongs to the technical field of flange sealing surface repair, and particularly relates to an online flange sealing surface repair device.
Background
The pressure vessel is an important pressure-bearing device, the pressure vessels are different in size, but most of the pressure vessels are fixedly installed on a production site, the flange is an important accessory part of the pressure vessel, and the appearance quality of a sealing surface of the flange plays a critical role in safe and stable operation of the pressure vessel. Defects such as scratches, concave holes, pits and the like are easy to generate above the flange sealing surface, the existence of the defects can directly influence the sealing performance of the flange, and the defects of the flange sealing surface are generally treated by adopting repair welding and turning repair modes. The flange of the pressure vessel is installed on site, and cannot be transported to a processing workshop for processing, and repair processing is required on site.
For the online repair of the flange sealing surface of the pressure vessel, the prior art comprises online turning and milling equipment, and the equipment is generally complex in structure and high in operation difficulty. Based on the above, the inventor designs an online repairing device for the flange sealing surface, which has a simple structure and is rapid and convenient to operate.
Disclosure of Invention
The embodiment of the disclosure aims at solving at least one of the technical problems existing in the prior art and provides an online repairing device for a flange sealing surface.
The embodiment of the disclosure provides an online repairing device for a flange sealing surface, which comprises a positioning support assembly, a transmission piece, an abrasive disk and a driving mechanism;
the positioning support assembly is fixedly arranged on the flange sealing surface, the grinding disc is positioned between the positioning support assembly and the flange sealing surface, and the first end surface of the grinding disc is used for grinding the flange sealing surface;
the transmission piece is rotatably arranged on the positioning support assembly in a penetrating mode, one end of the transmission piece is connected with the driving mechanism, the other end of the transmission piece is connected with the second end face of the grinding disc, and the transmission piece drives the grinding disc to rotate under the action of the driving mechanism so as to grind and repair the flange sealing face.
Optionally, the positioning support assembly includes a support plate and at least two support columns;
the first end of each support column is fixedly connected in a connecting hole corresponding to the flange sealing surface, the second end of each support column is fixedly connected with the support plate, and the support plate is rotatably provided with the transmission piece in a penetrating mode.
Optionally, the first end and the second end of the support column are both provided with external threads, and the support plate is provided with internal threads;
the external thread of the first end of the support column is in threaded connection with the connecting hole corresponding to the flange sealing surface, and the external thread of the second end of the support column is in threaded connection with the internal thread of the support plate.
Optionally, the support post middle section has a diameter greater than the diameters of the first and second ends thereof.
Optionally, the transmission piece is a transmission rod, and the support plate is provided with a positioning hole;
the transmission rod is rotatably arranged in the positioning hole in a penetrating mode, and can move along the length direction of the transmission rod.
Optionally, the repair device further comprises a positioning sleeve and a plurality of fasteners;
the positioning sleeve is penetrated through the positioning hole and fixed with the supporting plate, and is provided with a through hole along the axial direction of the positioning sleeve for the transmission rod to penetrate;
the locating sleeve is provided with the fasteners at intervals along the circumferential direction of the locating sleeve, and the locating sleeve is fixed with the transmission rod through a plurality of fasteners.
Optionally, the positioning sleeve comprises an insertion part and a lap joint part;
the insert part is arranged in the positioning hole in a penetrating way, the lap joint part is lapped on one side, far away from the grinding disc, of the supporting plate, and the lap joint part is provided with the fasteners at intervals along the circumferential direction of the lap joint part.
Optionally, the longitudinal section of the positioning sleeve is T-shaped.
Optionally, the transmission rod comprises a support shell and a transmission structure;
the support shell is arranged in the positioning sleeve in a penetrating mode, the transmission structure is arranged in the support shell in a penetrating mode, one end of the transmission structure is connected to the driving mechanism, and the other end of the transmission structure is connected to the grinding disc.
Optionally, the transmission rod further comprises a support bearing arranged inside the support shell;
the transmission structure is rotationally connected with the support shell through the support bearing.
The flange sealing surface on-line repair device of the embodiment of the disclosure is simple in integral structure, can effectively fix with the flange and grind and repair the flange sealing surface through the set positioning support assembly, the transmission piece, the grinding disc and the driving mechanism, is simple and convenient to assemble, can simplify the operation process, and reduces the requirements of operators.
Drawings
FIG. 1 is a schematic structural diagram of an online repair device for flange sealing surfaces according to an embodiment of the disclosure;
FIG. 2 is an enlarged schematic view of a positioning support assembly according to another embodiment of the present disclosure;
FIG. 3 is an enlarged schematic view of a driving member and positioning sleeve engaged with each other according to another embodiment of the present disclosure;
fig. 4 is a schematic cross-sectional view of a driving member according to another embodiment of the present disclosure.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present disclosure, the present disclosure will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1, an online repairing device 100 for flange sealing surfaces, wherein the repairing device 100 comprises a positioning support assembly 110, a transmission member 120, an abrasive disk 130 and a driving mechanism 140. The positioning support assembly 110 is fixedly arranged on the flange sealing surface 200, the grinding disc 130 is positioned between the positioning support assembly 110 and the flange sealing surface 200, and the first end surface of the grinding disc 130 is used for grinding the flange sealing surface 200. The transmission member 120 rotatably penetrates through the positioning support assembly 110, one end of the transmission member is connected to the driving mechanism 140, and the other end of the transmission member is connected to the second end surface of the grinding disc 130, so as to drive the grinding disc 130 to rotate under the action of the driving mechanism 140, so as to grind and repair the flange sealing surface 200.
Specifically, as shown in fig. 1, when it is necessary to perform online repair of a flange sealing surface of a flange mounted on a pressure vessel, the online repair device 100 for a flange sealing surface of the present embodiment is applied to perform online grinding repair thereof. The specific process is as follows:
the positioning support assembly 110 is fixedly connected with the flange sealing surface 200, the positioning support assembly 110 is erected above the flange sealing surface 200, the transmission member 120 movably penetrates through the positioning support assembly 110, the upper end of the transmission member 120 is connected with the driving mechanism 140, and the lower end of the transmission member 120 is connected with the second end surface of the grinding disc 130. The position of the driving member 120 is adjusted so that the grinding disk 130 is closely attached to the upper side of the flange sealing surface 200. The driving mechanism 140 is operated, and the driving mechanism 140 drives the transmission member 120 to perform rotary motion, so as to drive the grinding disc 130 to rotate, and the grinding disc 130 uses the first end of the grinding disc to face the flange sealing surface 200 for grinding repair. After grinding for a period of time, the grinding disc 130 is separated from the flange sealing surface 200, the appearance condition of the flange sealing surface 200 is observed, and the above process is repeated until the repair of the flange sealing surface 200 is completed.
The size of the grinding disc can be specifically selected and configured according to the size of the flange sealing surface, and the size of the grinding disc can cover the whole flange sealing surface.
The flange sealing surface on-line repair device of the embodiment of the disclosure has a simple integral structure, can be effectively fixed with a flange fixed on a pressure vessel and used for grinding and repairing the flange sealing surface through the arranged positioning support assembly, a transmission piece, a grinding disc and a driving mechanism, is simple and convenient to assemble, has a simple operation process, can reduce the requirement on operators, and provides a convenient grinding tool for on-site on-line repair of the flange sealing surface of the pressure vessel.
Illustratively, as shown in fig. 1 and 2, the positioning support assembly 110 includes a support plate 111 and at least two support columns 112. The first end of each support column 112 is fixedly connected to the corresponding connection hole 210 of the flange sealing surface 200, the second end of each support column 112 is fixedly connected to the support plate 111, and the support plate 111 rotatably passes through the transmission member 120.
Specifically, as shown in fig. 1 and fig. 2, as a specific example, two support columns 112 are provided, and the two support columns 112 are symmetrically distributed on opposite sides of the flange sealing surface 200. The first end of the support column 112 is fixedly connected to the corresponding connection hole 210 of the flange sealing surface 200, the second end of the support column 112 is fixedly connected to the support plate 111, and the support plate 111 rotatably passes through the transmission member 120. As shown in fig. 1 and 2, the support plates 111 are correspondingly provided in a rectangular shape. It should be noted that the number of the support columns 112 may be determined according to the required bearing, and the specific number of the support columns is not limited in this embodiment. The shape of the support plate 111 may be determined according to the number of support columns, and may be various shapes such as rectangular, circular, etc., and the shape of the support plate is not particularly limited in this embodiment.
Further, as shown in fig. 2, the first end and the second end of the support column 112 are provided with external threads, and the support plate 111 is provided with internal threads. The external thread of the first end of the support column 112 is in threaded connection with the corresponding connection hole 210 of the flange sealing surface 200, and the external thread of the second end of the support column 112 is in threaded connection with the internal thread of the support plate 111. After the first end and the second end of the support column 112 are respectively screwed with the connection hole 210 and the support plate 111, nuts are respectively screwed into the first end and the second end of the support column 112, the nuts screwed into the first end of the support column 112 are abutted against the lower end face of the flange, and the nuts screwed into the second end of the support column 112 are abutted against the upper end face of the support plate 111. Thereby allowing the positioning support assembly 110 to be securely engaged and secured to the flange sealing surface 200.
Still further, the support column 112 has a middle section with a diameter greater than the diameters of the first and second ends thereof. Setting the diameter of the middle section of the support column 112 to be larger than the diameters of the two ends of the support column 112 can enable the end faces of the two ends of the middle section of the support column 112 to respectively lean against the flange sealing surface 200 and the support plate 111, so that the middle section of the support column 112 directly acts on the flange sealing surface 200 and the support plate 111, and further fixation and positioning of the support plate 111 are achieved.
It should be noted that, the length of the support column is at least two thirds of the length of the transmission member, so that the stability of the grinding operation can be ensured.
For example, as shown in fig. 1 to 4, the driving member 120 is a driving rod, and the supporting plate 111 is provided with a positioning hole 1111. The transmission rod rotatably penetrates through the positioning hole 1111, and can move along the length direction thereof.
Specifically, as shown in fig. 1 to 4, the transmission rod is inserted into the positioning hole 1111 formed in the support plate 111, and the transmission rod in the positioning hole 1111 can perform a rotational motion through the driving mechanism 140 to drive the grinding disc 130 to grind the flange sealing surface 200, and the transmission rod in the positioning hole 1111 can also perform an up-and-down motion to facilitate connection and disconnection of the transmission rod and the grinding disc 200, and to press the grinding disc 130 against the flange sealing surface 200. Meanwhile, the positioning holes 1111 can also limit the position of the driving rod, so that the driving rod can be aligned with the flange sealing surface 200 after being connected with the grinding disc 130.
Illustratively, as shown in fig. 1 and 3, the prosthetic device further includes a locating sleeve 150 and a plurality of fasteners 160. The positioning sleeve 150 is disposed through the positioning hole 1111 and fixed to the support plate 111, and the positioning sleeve 150 is provided with a through hole along an axial direction thereof for the transmission rod to penetrate. The positioning sleeve 150 is provided with the fastening members 160 at intervals along the circumferential direction thereof, and the positioning sleeve 150 is fixed with the transmission rod by a plurality of the fastening members 160.
Specifically, as shown in fig. 1 and 3, the positioning sleeve 150 is inserted into the positioning hole 1111 of the support plate 111, and the positioning sleeve 150 may be fixed on the support plate 111 by a bolt (not shown in the drawings) or other parts, so that the positioning sleeve 150 may be stably fixed above the support plate 111, and the transmission rod is inserted into the through hole (not shown in the drawings) of the positioning sleeve 150. The positioning sleeve 150 and the driving rod may be fixedly connected by fasteners 160 spaced along the circumference of the positioning sleeve 150.
As a specific example, in preparation for operation, the positioning support assembly 110 is erected above the flange sealing surface 200, the positioning sleeve 150 is fixed on the support plate 111, then the transmission rod is inserted and the grinding disc 130 is connected below the transmission rod, the transmission rod is moved to make the grinding disc 130 closely fit above the flange sealing surface 200, the positioning sleeve 150 and the transmission rod are fixed by using screws, and the driving mechanism 140 is operated to make the grinding disc 130 perform grinding repair on the flange sealing surface 200. After finishing the grinding, the grinding disk 130 is released, and the specific procedure is as follows: the screw between the positioning sleeve 150 and the transmission rod is loosened, the transmission rod is pulled upwards, and the grinding disc 130 is driven to move upwards by the transmission rod, so that the grinding disc 130 is separated from the flange sealing surface 200.
Further, the positioning sleeve 150 includes an insertion portion 151 and a lap portion 152. The insertion portion 151 is disposed through the positioning hole 1111, the overlap portion 152 is overlapped on a side of the support plate 111 away from the polishing disc 130, and the overlap portion 152 is disposed with the fastening members 160 at intervals along a circumferential direction thereof.
As shown in fig. 3, the fasteners 160 may be 3, and the 3 fasteners 160 are uniformly distributed in the circumferential direction of the lap portion 152, however, the fasteners 160 may be provided in other different numbers, which is not particularly limited in this embodiment. The positioning sleeve 150 may be configured to have a T-shaped longitudinal cross-section, although the fastener 160 may be configured in other suitable shapes.
According to the flange sealing surface online repairing device disclosed by the embodiment of the disclosure, the transmission piece can be better connected and fixed through the set locating sleeve and the fastener, so that the transmission piece has certain protection when moving and rotating, and the service life is prolonged.
Illustratively, as shown in FIG. 4, the drive rod includes a support housing 121 and a drive structure 122. The supporting housing 121 is disposed through the positioning sleeve 150, the transmission structure 122 is disposed through the supporting housing 121, one end of the transmission structure 122 is connected to the driving mechanism 140, and the other end is connected to the polishing disc 130.
Specifically, as shown in fig. 4, the transmission rod includes an inner layer and an outer layer, the outer layer is a support housing 121, the support housing 121 is disposed in a through hole of the positioning sleeve 150 in a penetrating manner, and the support housing 121 is fixed with the positioning sleeve 150 by a fastener 160. The inner layer is a transmission structure 122, the transmission structure 122 is designed into a rod-shaped structure matched with the support shell 121, the transmission structure 122 penetrates through the support shell 121, the upper end of the transmission structure 122 is used for being connected with the driving mechanism 140 so as to drive the transmission structure 122 to rotate through the driving mechanism 140, and the lower end of the transmission structure 122 is used for being connected with the grinding disc 130 so as to grind the flange sealing surface 200 when the transmission structure 122 rotates.
Further, the transmission rod further includes a support bearing 123 disposed inside the support housing 121. The transmission structure 122 is rotatably connected to the support housing 121 via the support bearing 123.
The flange sealing surface on-line repair device of the embodiment of the disclosure can further fixedly connect the support shell and the positioning sleeve through the support shell and the transmission structure, and the transmission structure is utilized to drive the grinding disc to grind and repair the flange sealing surface, so that the operation is simple, convenient and simple in structure.
It is to be understood that the above embodiments are merely exemplary embodiments employed to illustrate the principles of the present disclosure, however, the present disclosure is not limited thereto. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the disclosure, and are also considered to be within the scope of the disclosure.

Claims (10)

1. The online repairing device for the flange sealing surface is characterized by comprising a positioning support assembly, a transmission piece, an abrasive disk and a driving mechanism;
the positioning support assembly is fixedly arranged on the flange sealing surface, the grinding disc is positioned between the positioning support assembly and the flange sealing surface, and the first end surface of the grinding disc is used for grinding the flange sealing surface;
the transmission piece is rotatably arranged on the positioning support assembly in a penetrating mode, one end of the transmission piece is connected with the driving mechanism, the other end of the transmission piece is connected with the second end face of the grinding disc, and the transmission piece drives the grinding disc to rotate under the action of the driving mechanism so as to grind and repair the flange sealing face.
2. The flange seal face online repair device of claim 1, wherein the positioning support assembly comprises a support plate and at least two support columns;
the first end of each support column is fixedly connected in a connecting hole corresponding to the flange sealing surface, the second end of each support column is fixedly connected with the support plate, and the support plate is rotatably provided with the transmission piece in a penetrating mode.
3. The flange sealing surface on-line repair device according to claim 2, wherein the first end and the second end of the support column are both provided with external threads, and the support plate is provided with internal threads;
the external thread of the first end of the support column is in threaded connection with the connecting hole corresponding to the flange sealing surface, and the external thread of the second end of the support column is in threaded connection with the internal thread of the support plate.
4. An on-line repair device for a flange sealing surface according to claim 3 wherein the support post intermediate section has a diameter greater than the diameters of the first and second ends thereof.
5. The flange sealing surface online repairing device according to any one of claims 2 to 4, wherein the transmission member is a transmission rod, and the support plate is provided with a positioning hole;
the transmission rod is rotatably arranged in the positioning hole in a penetrating mode, and can move along the length direction of the transmission rod.
6. The flange seal face online repair device of claim 5, further comprising a locating sleeve and a plurality of fasteners;
the positioning sleeve is penetrated through the positioning hole and fixed with the supporting plate, and is provided with a through hole along the axial direction of the positioning sleeve for the transmission rod to penetrate;
the locating sleeve is provided with the fasteners at intervals along the circumferential direction of the locating sleeve, and the locating sleeve is fixed with the transmission rod through a plurality of fasteners.
7. The flange seal face online repair device of claim 6, wherein the positioning sleeve comprises an insertion portion and a lap portion;
the insert part is arranged in the positioning hole in a penetrating way, the lap joint part is lapped on one side, far away from the grinding disc, of the supporting plate, and the lap joint part is provided with the fasteners at intervals along the circumferential direction of the lap joint part.
8. The flange seal face on-line repair device according to claim 7, wherein the longitudinal section of the positioning sleeve is T-shaped.
9. The flange seal face online repair device of claim 6, wherein the drive rod comprises a support housing and a drive structure;
the support shell is arranged in the positioning sleeve in a penetrating mode, the transmission structure is arranged in the support shell in a penetrating mode, one end of the transmission structure is connected to the driving mechanism, and the other end of the transmission structure is connected to the grinding disc.
10. The flange seal face online repair device according to claim 9, wherein the transmission rod further comprises a support bearing provided inside the support housing;
the transmission structure is rotationally connected with the support shell through the support bearing.
CN202322077115.8U 2023-08-03 2023-08-03 Online repairing device for flange sealing surface Active CN220372887U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322077115.8U CN220372887U (en) 2023-08-03 2023-08-03 Online repairing device for flange sealing surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322077115.8U CN220372887U (en) 2023-08-03 2023-08-03 Online repairing device for flange sealing surface

Publications (1)

Publication Number Publication Date
CN220372887U true CN220372887U (en) 2024-01-23

Family

ID=89571625

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322077115.8U Active CN220372887U (en) 2023-08-03 2023-08-03 Online repairing device for flange sealing surface

Country Status (1)

Country Link
CN (1) CN220372887U (en)

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