CN210600209U - Arch bridge type valve plate structure - Google Patents
Arch bridge type valve plate structure Download PDFInfo
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- CN210600209U CN210600209U CN201921306173.0U CN201921306173U CN210600209U CN 210600209 U CN210600209 U CN 210600209U CN 201921306173 U CN201921306173 U CN 201921306173U CN 210600209 U CN210600209 U CN 210600209U
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Abstract
The utility model provides an arch bridge type valve plate structure, which comprises a valve plate bottom plate, an arch bridge plate, a supporting structure and a valve rod sleeve; the arch bridge plate is fixedly arranged on the upper end surface of the valve plate bottom plate to form a closed shape, the longitudinal section of the arch bridge plate is of a symmetrical first arc-shaped structure, and the included angles between the tangent lines at the two sides of the first arc-shaped structure and the horizontal line are gradually increased from top to bottom; the supporting structure is arranged between the valve plate bottom plate and the arch bridge plate, one end of the supporting structure is fixedly connected with the arch bridge plate, the other end of the supporting structure is fixedly connected with the valve plate bottom plate, the valve rod sleeve is fixedly arranged in the middle of the upper end face of the valve plate bottom plate, and the valve rod sleeve is positioned in the middle of the arch bridge plate. An arch bridge type valve plate structure, traditional plane plate-shaped valve plate pressure-resistant ability is poor, the valve plate receives forward huge pressure and reverse medium impact repeatedly under high temperature environment, produces deflection or structural deformation because of tired or surpass withstand voltage limit easily.
Description
Technical Field
The utility model belongs to the technical field of the butterfly valve, especially, relate to an arch bridge type valve plate structure.
Background
The butterfly valve is also called a flap valve and can be used for on-off control of pipeline media. A butterfly valve refers to a valve in which a closing member (a valve flap or a butterfly plate) rotates around a valve shaft to open and close, and mainly performs a cutting and throttling function on a pipeline. Its main structural style includes central line butterfly valve, eccentric butterfly valve, double eccentric butterfly valve, triple eccentric butterfly valve, etc., its advantages are small rotating moment, flexible operation, simple structure and convenient use. The butterfly valve is suitable for pipelines for conveying various corrosive and non-corrosive fluid media in engineering systems such as producer furnaces, coal gas, natural gas, liquefied petroleum gas, urban gas, cold and hot air, chemical smelting, power generation, environmental protection and the like, and is used for adjusting and cutting off the flow of the media; the valve plate that widely uses in the existing market adopts plane plate-shaped structure mostly, and traditional plane plate-shaped valve plate pressure resistance is poor, and the valve plate receives forward huge pressure and reverse medium impact repeatedly under high temperature environment, produces deflection or structural deformation because of fatigue or surpassing withstand voltage limit easily, and traditional valve plate generally adopts solid casting shaping, can not realize when guaranteeing the valve plate working strength to reduce the manufacturing material and the weight of valve plate.
Disclosure of Invention
In view of this, the utility model aims at providing an arch bridge type valve plate structure, which solves the problems that the traditional plane plate-shaped valve plate has poor pressure resistance, the valve plate is repeatedly impacted by huge forward pressure and reverse medium under high temperature environment, and is easy to deflect or deform due to fatigue or exceeding the pressure resistance limit;
and further solved traditional valve plate and generally adopted solid casting shaping, can not realize when guaranteeing the valve plate working strength to reduce the manufacturing material and the weight of valve plate.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
an arch bridge type valve plate structure comprises a valve plate bottom plate, an arch bridge plate, a supporting structure and a valve rod sleeve;
the arch bridge plate is fixedly arranged on the upper end face of the valve plate bottom plate to form a closed shape, the longitudinal section of the arch bridge plate is of a symmetrical first arc-shaped structure, the included angle between the tangent lines on the two sides of the first arc-shaped structure and a horizontal line is gradually increased from top to bottom, and the included angle formed by the tangent lines on the two sides of the top of the first arc-shaped structure at the upper end is α degrees to 175 degrees;
the valve plate base plate is provided with a support structure, the valve plate base plate is provided with a valve rod sleeve, the valve rod sleeve is fixedly arranged on the upper end face of the valve plate base plate, the valve rod sleeve is fixedly arranged on the middle portion of the arch bridge plate, and the valve rod sleeve is fixedly arranged on the middle portion of the arch bridge plate.
Further, bearing structure includes one or more horizontal muscle, a plurality of muscle and a plurality of support column of erectting, one or more horizontal muscle is with a plurality of erect crisscross setting of muscle and be in the up end of valve plate bottom plate, each all be equipped with two on horizontal muscle and the perpendicular muscle the support column, each the support column top all with arched bridge board rigid coupling, work as when horizontal muscle is one, horizontal muscle is located the middle part of valve plate bottom plate up end, work as when horizontal muscle is a plurality of, one horizontal muscle is located the middle part of valve plate bottom plate up end, surplus horizontal muscle can set up and be located the left side, right side or the left and right sides of the horizontal muscle at valve plate bottom plate up end middle part, it is a plurality of equidistant range between the horizontal muscle, it is a plurality of equidistant range between the perpendicular muscle.
Furthermore, each vertical rib is perpendicular to each transverse rib.
Furthermore, the number of the transverse ribs is an odd number, and the number of the vertical ribs is an even number.
Further, when horizontal muscle quantity is more than two, be located the width of the horizontal muscle in valve plate bottom plate up end middle part is other 1.2 ~ 1.5 times of horizontal muscle width.
Furthermore, the connecting positions of the valve rod sleeve and the arch bridge plate are two second arc-shaped structures which are symmetrically arranged front and back, and the two second arc-shaped structures form a dumbbell-shaped structure.
Furthermore, rounding corners are arranged at the two second arc-shaped structures.
Furthermore, the transverse ribs, the vertical ribs, the support columns, the arch bridge plate, the valve plate bottom plate and the valve rod sleeve are integrally connected.
Furthermore, the outside front and back bilateral symmetry of arched bridge board is equipped with the connecting plate that can hoist, the valve rod cover sets up two between the connecting plate, each the connecting plate all with arched bridge board rigid coupling.
A design method of an arch bridge type valve plate structure comprises the following steps:
s1: establishing a three-dimensional solid model of an arch bridge type valve plate structure, and carrying out grid division or unit division on the three-dimensional model of the arch bridge type valve plate structure to form a plurality of grid units of the solid model;
s2: according to the material selected by the arch bridge type valve plate in the actual working condition, and correspondingly determining the material physical parameters of the solid model;
s3: selecting a load F application position of the solid model according to a stress position in the arch bridge type valve plate in an actual working condition, and drawing up the size of the load F, wherein F is more than 1.1 times of the stress of the arch bridge type valve plate in the actual working condition;
s4: carrying out stress simulation calculation on the solid model according to the load F application position and the load F of the solid model, and obtaining a displacement result diagram and a stress result diagram of the solid model after calculation;
s5: and obtaining a displacement result graph and a stress result graph of the solid model after calculation according to the S4, and enhancing the material strength of the stress concentration position in the solid model.
Compared with the prior art, an arch bridge type valve plate structure have following advantage:
the arch bridge type valve plate structure of the utility model can realize the situation of stress concentration on the valve plate in the actual working process by the first arc-shaped structure of the arch bridge plate, thereby effectively avoiding the situation of deflection or structural deformation of the valve plate caused by fatigue or exceeding the pressure-resistant limit; the arch bridge plate can be effectively supported through the supporting structure, and the supporting structure can play a role in reducing manufacturing materials and weight of the valve plate.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of an arch bridge type valve plate according to an embodiment of the present invention;
fig. 2 is a schematic view of another angle structure of an arch bridge type valve plate structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a cross section of an arch bridge type valve plate according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a cross section of an arch bridge type valve plate according to an embodiment of the present invention;
fig. 5 is a schematic view of another angle structure of an arch bridge type valve plate structure according to an embodiment of the present invention;
fig. 6 is a schematic view of a supporting structure in an arch bridge type valve plate structure according to a first embodiment of the present invention;
fig. 7 is a schematic view of a supporting structure in an arch bridge type valve plate structure according to a second embodiment of the present invention;
fig. 8 is a schematic view of a supporting structure in an arch bridge type valve plate structure according to a third embodiment of the present invention.
Description of reference numerals:
101-a valve plate bottom plate; 201-arch bridge plate; 202-connecting plate; 301-a valve stem sleeve; 401-transverse ribs; 402-vertical ribs; 403-support column.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
An arch bridge type valve plate structure is shown in figure 1 and comprises a valve plate bottom plate 101, an arch bridge plate 201, a supporting structure and a valve rod sleeve 301;
the arched bridge plate 201 is fixedly arranged on the upper end face of the valve plate bottom plate 101 to form a closed shape, the longitudinal section of the arched bridge plate 201 is of a symmetrical first arc-shaped structure, the included angle between the tangent lines on the two sides of the first arc-shaped structure and the horizontal line is gradually increased from top to bottom, the included angle formed by the tangent lines on the two sides of the top of the first arc-shaped structure at the upper end is α, as shown in fig. 3, the angle α is 95-175 degrees, the situation that stress concentration occurs on the valve plate in the actual working process can be further dispersed through the first arc-shaped structure of the arched bridge plate, and the situation that the valve plate deflects or deforms due to fatigue or exceeding the pressure resistance limit can be further effectively avoided;
the supporting structure is arranged between the valve plate bottom plate 101 and the arch bridge plate 201, one end of the supporting structure is fixedly connected with the arch bridge plate 201, the other end of the supporting structure is fixedly connected with the valve plate bottom plate 101, the valve rod sleeve 301 is fixedly arranged in the middle of the upper end face of the valve plate bottom plate 101, and the valve rod sleeve 301 is located in the middle of the arch bridge plate 201.
The supporting structure comprises one or more transverse ribs 401, a plurality of vertical ribs 402 and a plurality of supporting columns 403, wherein the one or more transverse ribs 401 and the plurality of vertical ribs 402 are arranged on the upper end surface of the valve plate bottom plate 101 in a staggered manner, at least two supporting columns 403 are arranged on each transverse rib 401 and each vertical rib 402, the top end of each supporting column 403 is fixedly connected with the arch bridge plate 201, when the transverse rib 401 is one, the transverse rib 401 is positioned in the middle of the upper end surface of the valve plate bottom plate 101, when the number of the transverse ribs 401 is multiple, one transverse rib 401 is positioned in the middle of the upper end surface of the valve plate bottom plate 101, the rest transverse ribs 401 can be arranged on the left side, the right side or the left side and the right side of the transverse rib 401 positioned in the middle of the upper end surface of the valve plate bottom plate 101, the plurality of transverse ribs 401 are arranged at equal intervals, the plurality of vertical ribs 402 are arranged at equal intervals, the arch bridge plate can be effectively supported through the supporting structure, and the supporting structure can play a role in reducing manufacturing materials and weight of the valve plate.
Each vertical rib 402 is perpendicular to each transverse rib 401. Horizontal muscle 401 quantity is the odd, erects muscle 402 quantity and is the even number, and when horizontal muscle 401 quantity was more than two, the width that lies in horizontal muscle 401 at valve plate bottom plate 101 up end middle part was 1.2 ~ 1.5 times of other horizontal muscle 401 widths, and then can further strengthen the stress tolerance intensity of both sides around the arched bridge formula valve plate structure.
In the first embodiment, as shown in fig. 6, the aperture DN800 of the butterfly valve is implemented;
example two, as shown in fig. 7, the butterfly valve caliber DN 1000;
third example, as shown in fig. 8, the embodiment when the butterfly valve caliber DN 1200.
Valve rod cover 301 and two second arc structures that arched bridge board 201's hookup location set up for the front and back symmetry, and two second arc structures form dumbbell type structure, can effectively strengthen valve rod cover 301 and arched bridge board 201's joint strength, and in this embodiment, two second arc structure departments are equipped with the radius angle, and the stress that can further dispersion produced in valve rod cover 301 and arched bridge board 201 junction.
A design method of an arch bridge type valve plate structure comprises the following steps:
s1: establishing a three-dimensional solid model of an arch bridge type valve plate structure, and carrying out grid division or unit division on the three-dimensional model of the arch bridge type valve plate structure to form a plurality of grid units of the solid model;
s2: according to the material selected by the arch bridge type valve plate in the actual working condition, and correspondingly determining the material physical parameters of the solid model;
in the embodiment, the material selected for the arch bridge type valve plate is QT450, the elastic modulus (Young modulus) is 1.73e5MPa, the Poisson ratio is 0.3, the density is 7.0e3kg/m3, the yield limit is 310MPa, and the tensile strength is 450 MPa.
S3: selecting a load F application position of the solid model according to a stress position in the arch bridge type valve plate in an actual working condition, and drawing up the size of the load F, wherein F is more than 1.1 times of the stress of the arch bridge type valve plate in the actual working condition;
s4: carrying out stress simulation calculation on the solid model according to the load F application position and the load F of the solid model, and obtaining a displacement result diagram and a stress result diagram of the solid model after calculation;
s5: obtaining a displacement result diagram and a stress result diagram of the solid model after calculation according to the S4, and enhancing the material strength of the stress concentration position in the solid model, in this embodiment, the manner of enhancing the material strength is (1) that the horizontal rib 401 or the vertical rib 402 in the solid model shifts the horizontal rib 401 or the vertical rib 402 to the stress concentration position in the solid model;
(2) increasing the number of the transverse ribs 401 or the vertical ribs 402 in the solid model, and distributing the increased transverse ribs 401 or the increased vertical ribs 402 to the positions of stress concentration in the solid model;
(3) increasing the material thickness at the locations of stress concentrations in the solid model.
The existing CAE software can realize the steps of the design method.
Working mode of the example
The valve plate structure comprises a valve rod sleeve 301, a valve rod, a supporting structure and a valve rod, wherein the supporting structure in the valve plate structure is determined through the diameter of a butterfly valve, the valve plate structure is installed inside a butterfly valve body, three connecting holes are formed in the valve rod sleeve 301, the valve rod sleeve 301 is connected with the valve rod through three cylindrical pins in the using process, and the valve plate structure is controlled to rotate through the valve rod by the conventional worm gear transmission device.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An arch bridge type valve plate structure which is characterized in that: comprises a valve plate bottom plate (101), an arch bridge plate (201), a supporting structure and a valve rod sleeve (301);
the arched bridge plate (201) is fixedly arranged on the upper end face of the valve plate bottom plate (101) to form a closed shape, the longitudinal section of the arched bridge plate (201) is of a symmetrical first arc-shaped structure, the included angles between the tangent lines on the two sides of the first arc-shaped structure and the horizontal line are gradually increased from top to bottom, and the included angle formed by the tangent lines on the two sides of the top of the first arc-shaped structure is α degrees and is 95-175 degrees;
the bearing structure sets up valve plate bottom plate (101) with between arch bridge plate (201), bearing structure one end with arch bridge plate (201) rigid coupling, the bearing structure other end with valve plate bottom plate (101) rigid coupling, valve rod cover (301) set firmly the middle part of valve plate bottom plate (101) up end, valve rod cover (301) are located arch bridge plate (201)'s middle part.
2. An arch bridge valve plate construction according to claim 1 wherein: the supporting structure comprises one or more transverse ribs (401), a plurality of vertical ribs (402) and a plurality of supporting columns (403), wherein one or more transverse ribs (401) and a plurality of vertical ribs (402) are arranged on the upper end face of the valve plate bottom plate (101) in a staggered manner, at least two supporting columns (403) are arranged on each transverse rib (401) and each vertical rib (402), the top end of each supporting column (403) is fixedly connected with the arch bridge plate (201), when one transverse rib (401) is arranged, the transverse rib (401) is arranged in the middle of the upper end face of the valve plate bottom plate (101), when a plurality of transverse ribs (401) are arranged, one transverse rib (401) is arranged in the middle of the upper end face of the valve plate bottom plate (101), and the rest transverse ribs (401) can be arranged on the left side, the right side or the left side and the right side of the transverse rib (401) arranged in the middle of the upper end face of the valve plate bottom plate (101), the plurality of transverse ribs (401) are arranged at equal intervals, and the plurality of vertical ribs (402) are arranged at equal intervals.
3. An arch bridge valve plate structure according to claim 2, wherein: each vertical rib (402) is perpendicular to each transverse rib (401).
4. An arch bridge valve plate construction according to claim 3 wherein: the number of the transverse ribs (401) is odd, and the number of the vertical ribs (402) is even.
5. An arch bridge valve plate structure according to any one of claims 2 to 4, wherein: when horizontal muscle (401) quantity is more than two, be located the width of the horizontal muscle (401) in valve plate bottom plate (101) up end middle part is other 1.2 ~ 1.5 times of horizontal muscle (401) width.
6. An arch bridge valve plate construction according to claim 5 wherein: the connecting positions of the valve rod sleeve (301) and the arch bridge plate (201) are two second arc-shaped structures which are symmetrically arranged front and back, and the two second arc-shaped structures form a dumbbell-shaped structure.
7. An arch bridge valve plate construction according to claim 6 wherein: and a fillet is arranged at the second arc-shaped structure.
8. An arch bridge valve plate construction according to claim 7 wherein: the transverse ribs (401), the vertical ribs (402), the supporting columns (403), the arch bridge plate (201), the valve plate bottom plate (101) and the valve rod sleeve (301) are connected in an integrated manner.
9. An arch bridge valve plate structure according to any one of claims 6 to 8, wherein: the external front and back sides of the arch bridge plate (201) are symmetrically provided with connecting plates (202) capable of being hoisted, the valve rod sleeve (301) is arranged between the two connecting plates (202), and each connecting plate (202) is fixedly connected with the arch bridge plate (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306173.0U CN210600209U (en) | 2019-08-13 | 2019-08-13 | Arch bridge type valve plate structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306173.0U CN210600209U (en) | 2019-08-13 | 2019-08-13 | Arch bridge type valve plate structure |
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| CN210600209U true CN210600209U (en) | 2020-05-22 |
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| CN201921306173.0U Active CN210600209U (en) | 2019-08-13 | 2019-08-13 | Arch bridge type valve plate structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345260A (en) * | 2019-08-13 | 2019-10-18 | 天津卡尔斯阀门股份有限公司 | A kind of arch (bridge) type valve board structure and design method |
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2019
- 2019-08-13 CN CN201921306173.0U patent/CN210600209U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345260A (en) * | 2019-08-13 | 2019-10-18 | 天津卡尔斯阀门股份有限公司 | A kind of arch (bridge) type valve board structure and design method |
| CN110345260B (en) * | 2019-08-13 | 2024-04-30 | 天津卡尔斯阀门股份有限公司 | Arch bridge type valve plate structure and design method |
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