CN109894636A - A kind of method of shape of a saddle pipe connecting flange height in quick determining cone - Google Patents
A kind of method of shape of a saddle pipe connecting flange height in quick determining cone Download PDFInfo
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- CN109894636A CN109894636A CN201910206606.3A CN201910206606A CN109894636A CN 109894636 A CN109894636 A CN 109894636A CN 201910206606 A CN201910206606 A CN 201910206606A CN 109894636 A CN109894636 A CN 109894636A
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- cone
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- connecting flange
- height
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Abstract
The present invention relates to a kind of method of shape of a saddle pipe connecting flange height in quick determining cone, this method includes obtaining cone small end inside radius R1, cone big end inside radius R2With cone length L, substitutes into corresponding specific formulation and calculate coefficient k；Then it obtains pipe connecting flange center and cone inner wall intersection point to connect with cone diameter D apart from sealing surface height H, pipe connecting flange centre distance cone small end distance A and pipe connecting flange, by these data and coefficient k and R1It substitutes into corresponding specific formulation and flange height Hx at pipe connecting flange offset X position is calculated.In addition, in the R that gets parms1, after A, k, the distance X of pipe connecting flange off center is calculated using corresponding specific formulation.Position using offset adapter tube center at the maximum height size that can quickly calculate pipe connecting flange and quick positioning pipe connecting flange maximum height of the invention, this method substantially increase technical preparation efficiency, and improve part manufacturing quality using simplicity.
Description
Technical field
The present invention relates to saddle-shaped joint pipes on machinery industry cold processing technique field more particularly to a kind of quick determining cone
The method of flange height.
Background technique
In machinery industry, the turning manufacture of part is processed according to drawing intended size, in previous production
In manufacture, the determination of shape of a saddle pipe connecting flange height dimension is always that focus of attention, flange height dimension is cold worked in cone
It is accurate whether directly affect the accuracy of its installation dimension.
Currently, for traditional machining apparatus and high-precision numerical control machine tool, the processing dimension of part is all
It is set in advance, lathe is only processed according to given dimensional, then accuracy of gauge directly affects the qualification rate of part.
What it was docked with cylinder for the saddle-shaped joint pipe flange that assembles on cylinder mutually pass through curve is symmetric shape, specific size can be with
It is quickly determined by calculating or 1:1 setting-out.However, the saddle-shaped joint pipe docked in cone is mutually passed through due to what it connected with cone
Curved surface is inclined-plane, and mutually passing through each deviation post corresponding diameter of the curve in cone is variation, and this results in adapter tubes
Flange height is also a variate.Manufactory must determine the maximum height of pipe connecting flange to order material, add to complete part
Work must provide accurate processing dimension, then must just obtain this critical size.
For many years, for the determination of shape of a saddle pipe connecting flange height in cone, there are two-dimensional lofting method, three-dimensional using more
Three-dimensional model method, estimation algorithm, but the application of these methods has cumbersome, some position capture inaccuracy, some even more deviations
It is too big, all cannot rapidly, accurately provide accurate dimension.
Summary of the invention
Technical problem to be solved by the invention is to provide shape of a saddle pipe connecting flange height in a kind of quick determining cone
Method.
To solve the above problems, in a kind of quick determining cone of the present invention shape of a saddle pipe connecting flange height method
Include:
Obtain cone small end inside radius R1, cone big end inside radius R2With cone length L, these data are substituted into formulaCoefficient k is calculated；
It obtains pipe connecting flange center and cone inner wall intersection point is small apart from sealing surface height H, pipe connecting flange centre distance cone
End distance A and pipe connecting flange connect diameter D with cone, by these data and coefficient k and R1Following formula is substituted into be calculated
Pipe connecting flange deviates flange height Hx at X position；
Preferably, it gets parms R by in-site measurement or referring to corresponding design drawing1、R2、L。
Preferably, it gets parms H, A, D by in-site measurement or referring to corresponding design drawing.
Preferably, the calculating step replacement of the COEFFICIENT K are as follows: the taper angle theta for obtaining cone is substituted into formula k=tan θ
Coefficient k is calculated；This method further includes that cone small end inside radius R is obtained before calculating the Hx1。
Preferably, this method further include: in the R that gets parms1, after A, k, substituted into formula
The distance X of pipe connecting flange off center is calculated.
Compared with the prior art, the present invention has the following advantages:
It in the present invention, first passes through corresponding design drawing and directly acquires each parameter, even if it is also very convenient for being in-site measurement
, each parameter, which is then substituted into corresponding calculation formula, can be obtained target data, and the size of pipe connecting flange is determined very
It is easy and quick.Application of the invention is able to solve the numerous of two dimension segmentation laying off, 3D solid laying off and estimation algorithm etc.
Trivial process, determine position inaccuracy, endpoint can not flutter the problems such as catching, quickly calculate pipe connecting flange maximum height size (and
The position at adapter tube center is quickly deviated at positioning pipe connecting flange maximum height), this method substantially increases technology standard using simplicity
Standby working efficiency, and improve part manufacturing quality.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is that the structural schematic diagram of saddle-shaped joint pipe and each parameter mark are drawn in cone provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention provides a kind of method of shape of a saddle pipe connecting flange height in quick determining cone, should with reference to Fig. 1
Method specifically comprises the following steps:
(1) cone small end inside radius R is obtained1, cone big end inside radius R2With cone length L, these data are substituted into formulaCoefficient k is calculated.
Wherein, parameter R1、R2, L usually can be obtained by referring to corresponding design drawing.It is of course also possible to be surveyed by scene
It measures.
In fact, the meaning of coefficient k is the tangent value of cone taper angle theta, i.e.,Therefore, COEFFICIENT K
Calculating step may be: obtaining the taper angle theta of cone, is substituted into formula k=tan θ and coefficient k is calculated.It is understood that
It is, when coefficient k is calculated using formula k=tan θ in step (1), it is also necessary to before calculating target component Hx, it is also necessary to
Obtain cone small end inside radius R1。
(2) pipe connecting flange center and cone inner wall intersection point are obtained apart from sealing surface height H, pipe connecting flange centre distance cone
Small end distance A and pipe connecting flange connect diameter D with cone, by these data and coefficient k and R1Following formula is substituted into calculate
The flange height Hx at pipe connecting flange offset X position；
Wherein, parameter H, A, D usually can be obtained by referring to corresponding design drawing.It is of course also possible to be surveyed by scene
It measures.
In addition, in the R that gets parms1, after A, k, formula can also be utilizedPipe connection method is calculated
The distance X of blue off center.
It is understood that the implementation procedure of the method for the present invention includes the acquisition of parameter and incites somebody to action only from executing in step
The parameter of acquisition, which substitutes into operation in corresponding preset formula, can be obtained target component, it is clear that such implementation procedure is converted into
It is the quickest that computer software carries out application.
Below with regard to how to obtain the distance X of flange height Hx at pipe connecting flange offset X position, pipe connecting flange off center
Calculation formula is described in detail.
For the cone in Fig. 1, cone angle is set as θ, then coefficient k is then are as follows:
Corresponding cone internal diameter is Rx at pipe connecting flange off center x position, then has:
Rx=R1+k×(A-X) (2)
Pipe connecting flange and cone inner wall bus crosspoint are at a distance from flange sealing surface at pipe connecting flange off center x position
For hx, then have:
Hx=H+tan × X (3)
Pipe connecting flange and cone curved surface joint flange height at pipe connecting flange off center x position are as follows:
Formula (2) (3) are substituted into formula (4), arrangement obtains:
It enablesThen formula (5) can simplify are as follows:
Enable y=a × X2+b×X+c (7)
According to parabolic equation, as known conditions a > 0, b < 0, whenWhen, y can obtain minimum value, and
In formula (6) when y obtains minimum value, then Hx is maximum, then has:
It can thus be concluded that going out:
WhenWhen, the maximum height of pipe connecting flange are as follows:
Bring known conditions into, arrangement can obtain pipe connecting flange and distinguish in maximum height positional shift pipe connecting flange center X, Hx
Are as follows:
Above equation and off-gauge parabola parametric equation, but belong to curve series equation.
Currently, the continuous promotion of quality is the necessary factor of Business survival.The machining accuracy for improving part is to guarantee product
The necessary means of quality.Although the above calculation method calculation process is comparatively laborious, result can be applied directly.Parabola side
Journey method has certain theoretical foundation, provides a kind of method of simplicity for the manufacture of same kind of parts.The method of the present invention can be fast
The position X at adapter tube center is deviated at speed positioning pipe connecting flange maximum height and quickly calculates the maximum height size of pipe connecting flange
Hx, this method substantially increase technical preparation efficiency, and improve part manufacturing quality using simplicity.
Technical solution provided by the present invention is described in detail above.Specific case used herein is to this hair
Bright principle and embodiment is expounded, method of the invention that the above embodiments are only used to help understand and its
Core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection of the claims in the present invention
In range.
Claims (5)
1. a kind of method of shape of a saddle pipe connecting flange height in quick determining cone, which is characterized in that this method comprises:
Obtain cone small end inside radius R1, cone big end inside radius R2With cone length L, these data are substituted into formulaCoefficient k is calculated；
Obtain pipe connecting flange center and cone inner wall intersection point apart from sealing surface height H, pipe connecting flange centre distance cone small end away from
Connect with cone diameter D from A with pipe connecting flange, by these data and coefficient k and R1It substitutes into following formula and adapter tube is calculated
Flange height Hx at flange deflection X position；
2. the method as described in claim 1, which is characterized in that obtain ginseng by in-site measurement or referring to corresponding design drawing
Number R1、R2、L。
3. the method as described in claim 1, which is characterized in that obtain ginseng by in-site measurement or referring to corresponding design drawing
Number H, A, D.
4. the method as described in claim 1, which is characterized in that the calculating step of the COEFFICIENT K is replaced are as follows: obtains the cone of cone
Angle θ is substituted into formula k=tan θ and coefficient k is calculated；This method further includes that cone small end is obtained before calculating the Hx
Inside radius R1。
5. such as the described in any item methods of Claims 1-4, which is characterized in that this method further include: in the R that gets parms1、A、k
Later, formula is substituted intoThe distance X of pipe connecting flange off center is calculated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910206606.3A CN109894636A (en) | 2019-03-19 | 2019-03-19 | A kind of method of shape of a saddle pipe connecting flange height in quick determining cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910206606.3A CN109894636A (en) | 2019-03-19 | 2019-03-19 | A kind of method of shape of a saddle pipe connecting flange height in quick determining cone |
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| Publication Number | Publication Date |
|---|---|
| CN109894636A true CN109894636A (en) | 2019-06-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910206606.3A Withdrawn CN109894636A (en) | 2019-03-19 | 2019-03-19 | A kind of method of shape of a saddle pipe connecting flange height in quick determining cone |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201342565Y (en) * | 2009-01-23 | 2009-11-11 | 北京石油化工学院 | Perforated connecting pipe and saddle-shaped seam welding equipment |
| CN102390002A (en) * | 2011-03-30 | 2012-03-28 | 上海锅炉厂有限公司 | Automatic submerged-arc welding method for large insertion-type adapting pipe on cone |
| CN203202463U (en) * | 2013-03-21 | 2013-09-18 | 无锡市法兰锻造有限公司 | Saddle-shaped connecting pipe flange |
-
2019
- 2019-03-19 CN CN201910206606.3A patent/CN109894636A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201342565Y (en) * | 2009-01-23 | 2009-11-11 | 北京石油化工学院 | Perforated connecting pipe and saddle-shaped seam welding equipment |
| CN102390002A (en) * | 2011-03-30 | 2012-03-28 | 上海锅炉厂有限公司 | Automatic submerged-arc welding method for large insertion-type adapting pipe on cone |
| CN102390002B (en) * | 2011-03-30 | 2014-04-09 | 上海锅炉厂有限公司 | Automatic submerged-arc welding method for large insertion-type adapting pipe on cone |
| CN203202463U (en) * | 2013-03-21 | 2013-09-18 | 无锡市法兰锻造有限公司 | Saddle-shaped connecting pipe flange |
Non-Patent Citations (1)
| Title |
|---|
| 郑红果等: "抛物线方程在重整反应器中锥体对接马鞍形接管法兰高度计算中的应用", 《压力容器先进技术 第9届全国压力容器学术会议》 * |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Hongguo Inventor after: Wei Jianping Inventor after: Ma Yumei Inventor after: Wang Junjie Inventor after: Huang Dong Inventor after: Zhu Shengping Inventor after: Ma Xiaobing Inventor before: Zheng Hongguo Inventor before: Wei Jianping Inventor before: Ma Yumei Inventor before: Wang Junjie Inventor before: Huang Dong |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190618 |