CN219882266U - Butterfly valve flange gasket positioner for gasket installation and positioning - Google Patents
Butterfly valve flange gasket positioner for gasket installation and positioning Download PDFInfo
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- CN219882266U CN219882266U CN202320932346.XU CN202320932346U CN219882266U CN 219882266 U CN219882266 U CN 219882266U CN 202320932346 U CN202320932346 U CN 202320932346U CN 219882266 U CN219882266 U CN 219882266U
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- gasket
- positioning
- butterfly valve
- flange
- valve flange
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- 238000009434 installation Methods 0.000 title claims abstract description 26
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 244000241796 Christia obcordata Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to the technical field of replacement and maintenance of valve flange gaskets, in particular to a butterfly valve flange gasket positioner for installing and positioning gaskets, which comprises positioning plates, wherein the positioning plates are provided with positioning plates of different specifications, the two positioning plates of the same specification are oppositely arranged at the outer sides of a flange, the top end of each positioning plate is provided with an installation holding handle, two sides of each installation holding handle are connected with outer side limiting arcs, the radian of each outer side limiting arc is matched with the outer camber of the flange, the two outer side limiting arcs are respectively connected with an inner side limiting arc, the two inner side limiting arcs are respectively connected with an inner side positioning column, the other side of each inner side positioning column is connected with a bolt abdicating groove, the inner side positioning column is connected with a corrugated composite gasket, and the inner side of each bolt abdicating groove is connected with a bolt. The butterfly valve flange gasket positioner for installing and positioning the gaskets is simple in structure, easy to install, flexible to operate, high in practicality and capable of effectively improving the replacement precision of the flange gaskets.
Description
Technical Field
The utility model relates to the technical field of valve flange gasket replacement and maintenance, in particular to a butterfly valve flange gasket positioner for installing and positioning gaskets.
Background
The valve flange gasket is installed, is one of the conventional equipment maintenance work of the production device, is used for guaranteeing long-period operation of the device and reducing leakage rate, is connected with gaskets used by the flange through bolts, such as a winding gasket, a rubber plate gasket, a cladding gasket and the like, has the problems of easy crushing, easy frame scattering, high pretightening force and the like, is used for reducing the leakage rate of the flange, is used for upgrading and replacing asbestos gaskets, inner ring winding gaskets and annular winding gaskets, is used for replacing flexible corrugated composite gaskets, and is specified by a first-line operator for replacing the flange gaskets below DN 80.
In practical application, the workers in charge of first-line production operation of replacement operation are not in maintenance profession, experience is insufficient, proficiency is not high, so that the problem of frequent gasket installation and alignment occurs, leakage is easy to occur after the gasket is put into use, and the operation method for replacing the valve flange gasket by the original device has great potential safety hazard: firstly, preparing a gasket, a proper wrench, a proper crow bar and a working ticket necessary for a working license, and disassembling a bolt at a flange part and loosening a nut to the tail end of the bolt in replacement operation; then, the old gasket is pulled out, the sealing surface is cleaned, and a new gasket is added. When the gasket is aligned, the original conventional method adopts an iron wire to support the gasket at the bottom of the flange for observing the position of the gasket, or adopts a tetrafluoro lifting gasket for alignment, and visually observes whether the gasket is installed in the correct position, so that deviation is very easy to occur in operation, leakage is often caused after the operation is finished, and the replacement operation sometimes has to be repeated, so that the loss is wasted, the labor intensity of staff is increased, and the stable long-period operation of the device is not facilitated. Therefore, in order to overcome the above shortcomings, a butterfly valve flange gasket positioner for installing and positioning gaskets is provided.
Disclosure of Invention
The utility model aims to provide a butterfly valve flange gasket positioner for installing and positioning gaskets, which overcomes the defects of difficult accurate operation positioning, high labor intensity of operators, high potential safety hazard and the like in the prior art due to naked eye observation.
In order to achieve the above object, the present utility model provides a butterfly valve flange gasket positioner for gasket installation positioning, comprising:
the positioning sheets with the same specification are oppositely arranged on the outer sides of the flanges;
the top of spacer is equipped with the installation and holds the position handle, the both sides of installation is held the position handle and is connected outside spacing arc, the radian of outside spacing arc suits with the outer camber of flange, two the outside is spacing arc of inboard is connected respectively, two the inboard reference column is connected respectively to the spacing arc of inboard, the opposite side connecting bolt of inboard reference column is stepped down the groove, the compound gasket of ripples tooth is connected to inboard reference column, the inboard connecting bolt of groove is stepped down to the bolt.
Preferably, the locating piece can be matched with a flat welding flange with a PN25 kg pressure grade.
Preferably, the installation grip handle is provided with a loss-preventing fixing hole, and the loss-preventing fixing hole is connected with the fixing rod.
Preferably, a plurality of the positioning pieces can be connected by a fixing rod.
Preferably, the radian of the outer limit arc is adapted to the outer camber of the flange.
Preferably, the positioning sheet is provided with at least two inner side positioning columns, and the positioning sheet is provided with at least one bolt abdicating groove.
Preferably, the positioning sheet is provided with a laser specification code spraying device.
The utility model has the following beneficial effects:
the butterfly valve flange gasket positioner for installing and positioning gaskets is simple in structure, easy to install, flexible to operate and high in practicality, can effectively improve the replacement precision and the installation accuracy of flange gaskets, further reduces the flange leakage rate and potential safety hazards, and reduces accidents.
Drawings
FIG. 1 is a diagram of an embodiment of the present utility model in which a gasket is installed and positioned into a butterfly valve flange gasket retainer;
FIG. 2 is a schematic view of a positioning plate according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a DN 100-specification spacer according to an embodiment of the present utility model;
fig. 4 is a schematic view of a butterfly valve flange gasket retainer in accordance with an embodiment of the present utility model.
Legend description:
1-a locating piece; 2-flanges; 3-mounting a grip handle; 4-loss prevention fixing holes; 5-an outer limit arc; 6-inner limit arc; 7-an inner side positioning column; 8-a bolt abdication groove; 9-fixing rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, and it is apparent that the embodiments described are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by "upper", "lower", "inner", "outer", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and are not indicative or implying that the parts referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Fig. 1 is an installation diagram of a butterfly valve flange gasket positioner for installing and positioning gaskets according to an embodiment of the present utility model, and fig. 2 is a schematic structural diagram of a positioning plate according to an embodiment of the present utility model, as shown in fig. 1 and fig. 2, a butterfly valve flange gasket positioner for installing and positioning gaskets according to the present utility model specifically includes: the positioning sheets 1, two positioning sheets 1 with the same specification are oppositely arranged at the outer side of the flange 2;
the top of spacer 1 is equipped with the installation and holds position handle 3, the outside is connected to the both sides of installation and holds position handle 3 spacing arc 5 in the outside, two spacing arc 6 in the outside is connected respectively to spacing arc 5 in the outside, two inboard locating column 7 is connected respectively in spacing arc 6 in the inside, the opposite side connecting bolt of inboard locating column 7 is stepped down groove 8, the compound gasket of ripples tooth is connected to inboard locating column 7, the inboard connecting bolt of groove 8 is stepped down to the bolt.
In practical application, the multi-purpose corrugated composite gasket for the flange in industries such as petroleum and petrochemical industry combines the performance advantages of a metal sealing piece and a nonmetal sealing piece, and has the characteristics of good sealing performance, good compression rebound resilience, high temperature resistance, strong corrosion resistance, long service life, good economy and the like.
It should be noted that the flange with the national standard PN of more than 40 kg is designed to be a concave-convex surface, and the gasket can be installed in the groove of the flange, so that the possibility of installation offset is avoided, and the positioner is suitable for the flat welding flange with the national standard PN of 25 kg level.
In practical application, national standard PN25 kg grade flat welding flange includes six kinds of specifications, is DN20, DN25, DN40, DN50, DN80 and DN100 respectively, and in this locator, flange 2 of different specifications cooperates spacer 1 of different specifications, and this locator provides spacer 1 of multiple specification, and two spacer 1 of same specification are a pair.
In the locator, a pair of locating plates 1 are oppositely arranged on opposite sides of a flange 2, the radian of an outer limit arc 5 is matched with the outer radian of the flange 2, an inner locating column 7 is connected with a corrugated composite gasket, a column nail is used for contact and close positioning, an inner connecting bolt of a bolt yielding groove 8 is adopted, the bolt yielding groove 8 clearly avoids an installed bolt, the gasket is completely centered, in practical application, the locator adopts a pair design, can cope with multiple forms such as the vertical and horizontal of a flange sealing surface, and only needs to observe whether the outer edge of the locator is aligned with the outer side of the flange during installation.
In the positioner, the positioning sheet 1 is provided with at least two inner positioning columns 7, and the positioning sheet 1 is provided with at least one bolt relief groove 8, that is, a bolt relief groove 8 is arranged in the middle of the two inner positioning columns 7.
Fig. 3 is a schematic structural diagram of a spacer with DN100 standard according to an embodiment of the present utility model, as shown in fig. 3, in order to make the positioning of the flange 2 more accurate, the number of bolt relief grooves 8 needs to be increased, and one bolt relief groove 8 needs to be added to the spacer 1 with DN100 standard, and at the same time one inner positioning post 7 is added, that is, the spacer 1 with DN100 standard includes 3 inner positioning posts 7 and 2 bolt relief grooves 8.
The present positioner is also provided with a fixing rod 9 in particular.
Fig. 4 is a schematic structural diagram of a butterfly valve flange gasket positioner for installing and positioning gaskets according to an embodiment of the present utility model, as shown in fig. 4, in practical application, a positioning handle 3 is installed to make a worker more convenient to operate, the positioning handle 3 is provided with a loss-preventing fixing hole 4, the loss-preventing fixing hole 4 can be connected with a fixing rod 9, positioning plates 1 of the same specification can be stored in pairs through the loss-preventing fixing hole 4, and butterfly wing shapes after the paired plate designs are combined.
In the locator device, not only the paired locating pieces 1 can be connected, but also the locating pieces 1 with different specifications can be connected together, in practical application, the locating pieces 1 with a plurality of specifications are connected into a group through the fixing rod 9, and when in use, the locating pieces 1 with proper specifications are selected for direct application, and the locating piece group is rotated into a butterfly wing shape.
It should be noted that when the practical operation of applying the locating plate set is adopted, two sets of locating plates are required to be oppositely arranged at two sides of the flange.
In addition, the locating piece 1 is provided with a laser specification code, the laser code is used for marking the pressure grade and the size, and a line of operators can conveniently select and use the locating piece to ensure the installation and use precision.
It should be noted that, in order to make the design of the spacer 1 more reasonable, the present positioner provides the data range of each part of the spacer in detail, in practical application, the installation grip 3 is rectangular, the length range of the installation grip 3 is 25cm-40cm, and the width range of the installation grip 3 is 14cm-24cm.
Meanwhile, the radius range of the outer limit arc 5 is 50cm-120cm, the radius range of the inner limit arc 6 is 20cm-65cm, the bolt abdication groove 8 is set to be elliptical, the radius range of the minor axis of the ellipse is 12cm-22cm, and the radius range of the major axis of the ellipse is 22cm-40cm.
In practical application, generally speaking, a flat welding flange with a pressure level of 25 kg is replaced by a first-line operator, the first-line production operator is not in maintenance profession, experience is not high enough, gasket installation alignment frequently causes problems, leakage easily occurs after the gasket is put into use, and great potential safety hazards exist, and the working principle of the butterfly valve flange gasket positioner for installing and positioning the gasket is specifically described below for the problems:
in this embodiment, the locating plate has been manufactured to be suitable for the national standard PN25 kg grade flat welding flange and comprises six specifications, namely DN20, DN25, DN40, DN50, DN80 and DN 100.
Firstly, preparing a gasket, a proper wrench, a proper crow bar and a working ticket necessary for a working license, and disassembling a bolt at a flange part and loosening a nut to the tail end of the bolt in replacement operation; then, the old gasket is extracted, the sealing surface is cleaned, and a new gasket is added; and when the butterfly valve flange gasket positioner is installed, a pair of positioning sheets with proper specifications are selected, the flange is symmetrically inserted into the flange, the flange edge and the flange alignment are used as references, 100% gasket is ensured to be completely centered, then the butterfly valve flange gasket is fixed by using a fastening bolt, the positioner is pulled out after the fixation is finished, and then the flange bolt fastening operation is carried out.
In practical application, after the flange gasket replacement operation of PN25 kg grade, the embodiment is deeply accepted and favored by operators in a wide range, the operators in the wide range use in the replacement operation of valve flange gaskets in a shift group, the accurate operation of replacing and installing the gaskets can be realized, the safety leakage rate after replacing the flange gaskets is very little, the labor intensity of the operators is reduced, the device is beneficial to stable and long-period running, and through the repeated application in practical production, the research and development and application of the positioner can ensure that the replacement gaskets are centered, the installation has no deviation and the accuracy is 100%.
In the embodiment, besides ensuring that a first-line operator correctly installs and replaces the valve flange gasket, the method can also realize that a first-line non-maintained production operator replaces the installation flange gasket, compared with the original gasket installation method, in practical application, the method can reduce the leakage rate of the static sealing point by 0.3 thousandth or less by 0.1 thousandth, the replacement operation perfectness of the flange pipeline gasket is obviously improved, the operation standardization degree is greatly improved, and the method has the advantages and characteristics of safety, reliability, scientific economy, simplicity, high efficiency and the like, and is convenient for the standardization and sanitary standardization management of field equipment of the production device.
The butterfly valve flange gasket positioner for installing and positioning gaskets is simple in structure, easy to install, flexible to operate and high in practicality, can effectively improve the replacement precision and the installation accuracy of flange gaskets, further reduces the flange leakage rate and potential safety hazards, and reduces accidents.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A gasket-mounting positioning butterfly valve flange gasket positioner, comprising:
the positioning sheets (1) are oppositely arranged at the outer sides of the flanges (2);
the top of spacer (1) is equipped with installation and holds position handle (3), outside spacing arc (5) are connected to the both sides of installation and hold position handle (3), two outside spacing arc (5) are connected respectively inboard spacing arc (6), two inboard spacing arc (6) are connected respectively inboard reference column (7), opposite side connecting bolt of inboard reference column (7) is stepped down groove (8), wave tooth compound gasket is connected to inboard reference column (7), the inboard connecting bolt of groove (8) is stepped down to the bolt.
2. Gasket-mounted positioning butterfly valve flange gasket positioner according to claim 1, characterized in that the positioning plate (1) is able to cooperate with a flat welded flange of the PN25 kg pressure class.
3. The gasket-mounting positioning butterfly valve flange gasket positioner according to claim 1, characterized in that the mounting grip (3) is provided with a loss-preventing fixing hole (4), the loss-preventing fixing hole (4) being connected to a fixing rod (9).
4. A gasket-mounted positioning butterfly valve flange gasket positioner according to claim 3, characterised in that a plurality of said positioning tabs (1) are connectable by means of a fixed rod (9).
5. Gasket-mounted positioning butterfly valve flange gasket positioner according to claim 1, characterized in that the arc of the outer limit arc (5) is adapted to the outer arc of the flange (2).
6. Gasket-mounted positioning butterfly valve flange gasket positioner according to claim 1, characterized in that the positioning plate (1) is provided with at least two inner positioning posts (7), the positioning plate (1) being provided with at least one bolt relief groove (8).
7. Gasket-mounted positioning butterfly valve flange gasket positioner according to claim 1, characterized in that the positioning plate (1) is provided with laser-gauge code-spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932346.XU CN219882266U (en) | 2023-04-24 | 2023-04-24 | Butterfly valve flange gasket positioner for gasket installation and positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932346.XU CN219882266U (en) | 2023-04-24 | 2023-04-24 | Butterfly valve flange gasket positioner for gasket installation and positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219882266U true CN219882266U (en) | 2023-10-24 |
Family
ID=88402958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320932346.XU Active CN219882266U (en) | 2023-04-24 | 2023-04-24 | Butterfly valve flange gasket positioner for gasket installation and positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219882266U (en) |
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2023
- 2023-04-24 CN CN202320932346.XU patent/CN219882266U/en active Active
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