CN104339702B - The design system of compressor wire wound form isostatic pressed frame and method thereof - Google Patents

Abstract

The invention discloses a kind of design system and the method thereof of compressor wire wound form isostatic pressed frame, the determination of relevant parameter in compressor wire wound form frame designs, the selection of canoe, the winding number of plies, every layer of winding number of turns and the calculating of pretightning force and steel wire static strength, the check of fatigue strength；It is determined by the parameters in the design of compressor wire wound form frame and immediately result of calculation is checked, make parameter adjustment faster, more directly perceived to the impact effect of result of calculation, whole calculating and check work efficiency are greatly improved, thus repeatedly adjust parameter for designer, find optimum solution and bring conveniently.

Description

The design system of compressor wire wound form isostatic pressed frame and method thereof

Technical field

The present invention relates to the isostatic pressing technology field of engineer applied, be specifically related to a kind of compressor wire wound form The design system of isostatic pressed frame and method thereof.

Background technology

Isostatic pressed main frame is mainly made up of super-pressure working cylinder, frame and drive system, and wherein working cylinder is in work Axial compressive force during work is acted in frame completely by upper and lower end cap, say, that by frame about The displacement of the upper and lower end cap of bundle working cylinder, bears axial load during supertension compacting.Therefore, frame Whether design reasonable, the safety when super-high pressure work how to be the design of isostatic pressed main frame key technology it One.

In engineering, conventional rack construction is compressor wire wound form structure at present, and it is by left and right two root post Constitute a framework with upper and lower two and half circular beams, and be wound around multilamellar compressor wire in outside, thus constitute one Individual enclosed construction so that the pressure transition born on half circular beam becomes the pulling force of steel wire floor.Compressor wire is wound around Open frame have compact conformation, lightweight, be easy to processing, transport and install and fatigue strength is high, the life-span The advantages such as length.

Summary of the invention

Instant invention overcomes the deficiencies in the prior art, it is provided that a kind of conveniently carry out the adjustment of parameter and the pre-of optimization The design system of stress wire wound form isostatic pressed frame and method thereof.

In view of the problems referred to above of prior art, according to an aspect disclosed by the invention, the present invention use with Lower technical scheme:

A kind of design system of compressor wire wound form isostatic pressed frame, including:

Gantry parameter input module, for input service cylinder pressure p and radius r, framework window length L, width Degree w, pretension coefficient, column and half circular beam material allowable stress, safety coefficient, steel wire allowable stress, column Radical；

Column parameter designing module, for being calculated according to the parameter of described gantry parameter input module input The sectional area Ac of column and parameter γ, choose the value of λ, and it be vertical to utilize the parameter of λ to calculate according to parameter γ Post gauge a and column width dimensions b；

Half circular beam parameter designing module, for calculating according to the parameter of described gantry parameter input module input To half circular beam radius R1；

The steel wire winding parameter designing module of frame, for the groove according to framework pillar width design winding steel wire Width, inputs groove width b0 parameter, and input selects the steel wire width being wound around, and calculates the circle of each layer of winding steel wire Number, the elastic modulus E w of input steel wire, the elastic modulus E c of column, the sectional area Sw of steel wire, cutting of column Area Ac, calculates the steel wire rigidity with column than c, pretightning force Fc, acts on the pretension on a root post Power Fca, acts on the total tension force Fw on the steel wire floor on a root post, inputs not stability safety factor n4, meter Calculate column critical load Pk, and judge column can or can not unstability, if unstability, then adjust parameter weight above New calculating, until obtaining satisfied result；

It is wound around number of plies design module, for the coefficientoffrictionμ according to steel wire and the thickness deltat of a steel wire, meter Calculate and obtain steel wire floor innermost layer radius R1, steel wire floor outermost layer radius R2, every layer of number of turns m being wound around；And automatically Set an initial value for being wound around number of plies z, and calculate pretightning force Fca2 acted on a root post, with Upper pretightning force Fca acted on a root post obtained that calculates compares, if both are unequal, increase/reduces Being wound around the number of plies, cycle calculations, during until Fca2 Yu Fca is close, to obtain being wound around number of plies z value；

Canoe determines module, with calculating R2/R1,2L/R1, then by comparing with synopsis to obtain To being wound around type.

In order to the present invention is better achieved, further technical scheme is:

According to one embodiment of the invention, also include steel wire initial tension computing module, be used for calculating often Layer of steel wire is wound around initial tension, and production report, the setting value of Prestress of Steel Wire when being wound around as reality.

According to one embodiment of the invention, also include that steel wire static strength checks module, interior for calculating Layer steel wire maximum stress σ_3maxSteel wire maximum stress σ is gone out with outermost_4max, the two the most respectively with steel wire allowable stress Compare σ₃, judge whether steel wire static strength meets design requirement with this.

According to one embodiment of the invention, also include steel wire checking fatigue strength module, be used for controlling steel The variation of answering of silk meets $\frac{{\mathrm{\σ}}_{3\max }-{\mathrm{\σ}}_{\mathrm{cp}}}{{\mathrm{\σ}}_{\mathrm{cp}}}\≤10\%,$

Wherein:

${\mathrm{\σ}}_{\mathrm{cp}}=\frac{{\mathrm{\σ}}_{3\max }+{\mathrm{\σ}}_{3\min }}{2}$

σ_3maxInnermost layer steel wire maximum stress；

σ_3minInnermost layer steel wire minimum stress.

According to one embodiment of the invention, also include generating calculation specification module, for calculating Journey and result of calculation, check result are output as calculation specification.

The present invention it may also is that

A kind of method for designing of compressor wire wound form isostatic pressed frame, including:

Input service cylinder pressure p and radius r, framework window length L, width w, pretension coefficient, column and half Circular beam material allowable stress, safety coefficient, steel wire allowable stress, column radical；

Parameter according to the input of described gantry parameter input module is calculated sectional area Ac and the parameter of column γ, chooses the value of λ, and utilizes the parameter of λ to calculate column gauge a and column width according to parameter γ Degree size b；

Parameter according to input is calculated half circular beam radius R1；

According to the groove width of framework pillar width design winding steel wire, inputting groove width b0 parameter, input selects to be wound around Steel wire width, calculate the number of turns of each layer of winding steel wire, the elastic modulus E w of input steel wire, column Elastic modulus E c, the sectional area Sw of steel wire, the sectional area Ac of column, calculate the rigidity of a steel wire and column Ratio c, pretightning force Fc, act on pretightning force Fca on a root post, act on the steel wire floor on a root post On total tension force Fw, input not stability safety factor n4, calculate column critical load Pk, and judge column meeting Will not unstability, if unstability, then adjust parameter above and recalculate, until obtaining satisfied result；

Coefficientoffrictionμ according to steel wire and the thickness deltat of a steel wire, calculate and obtain steel wire floor innermost layer radius R1, steel wire floor outermost layer radius R2, every layer of number of turns m being wound around；And automatically for being wound around at the beginning of number of plies z setting one Initial value, and calculate pretightning force Fca2 acted on a root post, with above calculate obtain act on one Pretightning force Fca on root post compares, if both are unequal, and increase/reduction winding number of plies, cycle calculations, During until Fca2 Yu Fca is close, to obtain being wound around number of plies z value；

Calculate R2/R1,2L/R1, then obtain being wound around type by comparing with synopsis.

According to one embodiment of the invention, also include calculating each layer of steel wire winding initial tension, and raw Produce form, the setting value of Prestress of Steel Wire when being wound around as reality.

According to one embodiment of the invention, also include calculating innermost layer steel wire maximum stress σ_3maxAnd outermost Go out steel wire maximum stress σ_4max, the two compares σ with steel wire allowable stress the most respectively₃, judge steel wire with this Whether static strength meets design requirement.

According to one embodiment of the invention, also include that the variation of answering controlling steel wire meets $\frac{{\mathrm{\σ}}_{3\max }-{\mathrm{\σ}}_{\mathrm{cp}}}{{\mathrm{\σ}}_{\mathrm{cp}}}\≤10\%,$

Wherein:

${\mathrm{\σ}}_{\mathrm{cp}}=\frac{{\mathrm{\σ}}_{3\max }+{\mathrm{\σ}}_{3\min }}{2}$

σ_3maxInnermost layer steel wire maximum stress；

σ_3minInnermost layer steel wire minimum stress.

According to one embodiment of the invention, also include defeated to calculating process and result of calculation, check result Go out for calculation specification.

Compared with prior art, one of beneficial effects of the present invention is:

The design system of the compressor wire wound form isostatic pressed frame of the present invention and method thereof, for prestressing force Wire wrapped frame design in the determination of relevant parameter, the selection of canoe, be wound around the number of plies, every layer twine Around the number of turns and the calculating of pretightning force and steel wire static strength, the check of fatigue strength；It is determined by prestress steel Silk wound form frame design in parameters and immediately result of calculation is checked, make parameter adjustment pair The impact effect of result of calculation is faster, more directly perceived so that whole calculating and check work efficiency are greatly improved, Thus repeatedly adjust parameter for designer, find optimum solution and bring conveniently.

Detailed description of the invention

Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention do not limit In this.

1. gantry parameter design

Input service cylinder pressure p and radius r in gantry parameter design module, automatically calculate frame work and carry Lotus, also needs input chassis length of window L, width w, pretension coefficient, column and half circular beam material allowable stress, Safety coefficient, steel wire allowable stress, column radical, these parameters are the master datas that isostatic pressing machine sets up meter, Using the input parameter as subsequent calculations.

2. column parameter designing

In column parameter designing module, the sectional area of column can be calculated according to the parameter of input in card 1 (Ac) and parameter γ, choose the value of λ according to parameter γ, and utilize the parameter of λ to calculate column size a (thickness) and column size b (width).

3. half circular beam parameter designing

Calculated by this half circular beam parameter designing module and obtain half circular beam radius R1.

4. the steel wire winding parameter designing of frame

In the steel wire winding parameter designing module of this frame, according to the groove of framework pillar width design winding steel wire Width, inputs groove width (b0) parameter input frame, and input selects the steel wire width being wound around, and calculates each layer and twines The number of turns around steel wire.Elastic modulus E w, the elastic modulus E c of column, the sectional area Sw of steel wire of input steel wire, The sectional area Ac of column, calculates the steel wire rigidity with column than c, pretightning force Fc, acts on one and stands Pretightning force Fca on post, acts on the total tension force Fw on the steel wire floor on a root post.Input not unstability peace Overall coefficient n4, calculate column critical load Pk, and judge column can or can not unstability, if unstability, then adjust Parameter above recalculates, until obtaining satisfied result.

5. it is wound around number of plies design

In this winding number of plies design module, the coefficientoffrictionμ of input steel wire and the thickness deltat of a steel wire, meter Calculate and obtain steel wire floor innermost layer radius R1, steel wire floor outermost layer radius R2, every layer of number of turns m being wound around.Program Middle meeting is automatically for being wound around number of plies z one initial value of setting, and calculates the pretightning force acted on a root post Fca2, compares with Fca1, if both are unequal, increase (reduction) be wound around the number of plies, cycle calculations until Fca2==Fca1, then be wound around number of plies z and be optimal solution, calculate acquisition during wherein the value of Fca1 is card 4 Act on pretightning force Fca on a root post.But, it is integer owing to being wound around the number of plies, calculates institute according to formula Obtaining Fca2 with Fca1 can not be equal, to this end, allow during design to be compared two values by designer, when both Close to time, i.e. can determine that the value of winding layer number z.

6. canoe determines

Determine that module calculates by this canoeζ is looked into from the figure pre-set₁、ζ₂, see ζ₁、ζ₂Fall in A district or B district, thereby determine that the type of frame steel wire winding.

7. steel wire initial tension calculates

By this steel wire initial tension computing module, calculate and obtain each layer of steel wire winding initial tension, and produce report Table, the setting value of Prestress of Steel Wire when being wound around as reality.

8. steel wire static strength is checked

Check module by steel wire static strength and calculate innermost layer steel wire maximum stress σ_3maxSteel wire maximum is gone out with outermost Stress σ_4max, compare σ with steel wire allowable stress₃, judge that steel wire static strength is the most no and design is wanted with this Ask.It practice, innermost layer steel wire is the most dangerous, its maximum stress is not more than allowable stress, i.e. it is believed that design Meet the requirements.

9. steel wire checking fatigue strength

For ensureing the fatigue life of steel wire, the variation of answering of general control steel wire meets

In formula:

${\mathrm{\σ}}_{\mathrm{cp}}=\frac{{\mathrm{\σ}}_{3\max }+{\mathrm{\σ}}_{3\min }}{2}$

σ_3maxInnermost layer steel wire maximum stress；

σ_3minInnermost layer steel wire minimum stress.

10. generate calculation specification

According to above calculating, check result, all input parameters and result of calculation are aggregated into this generation meter Calculate in description module, for designer's reference, click on " generation calculation specification " button, process will be calculated It is output as calculation specification with result of calculation, check result.

In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is With the difference of other embodiments, identical similar portion cross-reference between each embodiment.

" embodiment ", " another embodiment ", " embodiment " spoken of in this manual, etc., The specific features, structure or the feature that refer to combine the description of this embodiment are included in the description of the application generality At least one embodiment in.The most multiple local occur statement of the same race be not necessarily refer to same Individual embodiment.Furthermore, it is understood that combine any embodiment when describing a specific features, structure or feature, To be advocated other embodiments that combine also fall in the present invention to realize this feature, structure or feature In the range of.

Although reference be made herein to invention has been described for the multiple explanatory embodiment of the present invention, but, should This understanding, those skilled in the art can be designed that a lot of other amendments and embodiment, these amendment and Embodiment will fall within spirit disclosed in the present application and spirit.More specifically, public in the application Open with claim in the range of, the building block of theme composite configuration and/or layout can be carried out multiple change Type and improvement.In addition to the modification that building block and/or layout are carried out and improvement, for people in the art For Yuan, other purposes also will be apparent from.

Claims (10)

1. the design system of a compressor wire wound form isostatic pressed frame, it is characterised in that including:

Gantry parameter input module, for input service cylinder pressure p and radius r, framework window length L, width W, pretension coefficient, column and half circular beam material allowable stress, safety coefficient, steel wire allowable stress, column root Number；

Column parameter designing module, for being calculated according to the parameter of described gantry parameter input module input The sectional area Ac of column and parameter γ, choose the value of λ, and it be vertical to utilize the parameter of λ to calculate according to parameter γ Post gauge a and column width dimensions b；

Half circular beam parameter designing module, for calculating according to the parameter of described gantry parameter input module input To half circular beam radius R1；

The steel wire winding parameter designing module of frame, for the groove according to framework pillar width design winding steel wire Width, inputs groove width b0 parameter, and input selects the steel wire width being wound around, and calculates the circle of each layer of winding steel wire Number, cutting of the input elastic modulus E w of steel wire, the elastic modulus E c of column, the sectional area Sw of steel wire and column Area Ac, calculates the rigidity of a steel wire and column than c, pretightning force Fc, the pretension that acts on a root post Power Fca and the total tension force Fw on the steel wire floor acted on a root post, input not stability safety factor n4, meter Calculate column critical load Pk, and judge column can or can not unstability, if unstability, then adjust parameter weight above New calculating, until obtaining satisfied result；

It is wound around number of plies design module, for the coefficientoffrictionμ according to steel wire and the thickness deltat of a steel wire, meter Calculate and obtain steel wire floor innermost layer radius, steel wire floor outermost layer radius R2, every layer of number of turns m being wound around；And be automatically Be wound around number of plies z and set an initial value, and calculate pretightning force Fca2 acted on a root post, with more than Calculating pretightning force Fca acted on a root post obtained to compare, if both are unequal, increase/reduction twines Around the number of plies, cycle calculations, during until Fca2 Yu Fca is close, to obtain being wound around number of plies z value；

Canoe determines module, is used for calculating R2/R1,2L/R1, then by comparing with synopsis to obtain To being wound around type.

The design system of compressor wire wound form isostatic pressed frame the most according to claim 1, it is special Levy and be, also include steel wire initial tension computing module, be used for calculating each layer of steel wire winding initial tension, and Produce form, the setting value of Prestress of Steel Wire when being wound around as reality.

The design system of compressor wire wound form isostatic pressed frame the most according to claim 1, it is special Levy and be, also include that steel wire static strength checks module, be used for calculating innermost layer steel wire maximum stress σ_3max? Cover wire maximum stress σ_4max, the two the most respectively with steel wire allowable stress σ₃Compare, judge steel with this Whether silk static strength meets design requirement.

The design system of compressor wire wound form isostatic pressed frame the most according to claim 1, it is special Levy and be, also include steel wire checking fatigue strength module, meet for controlling the variation of answering of steel wire

Wherein:

${\mathrm{\σ}}_{cp}=\frac{{\mathrm{\σ}}_{3max}+{\mathrm{\σ}}_{3min}}{2}$

σ_3maxInnermost layer steel wire maximum stress；

σ_3minInnermost layer steel wire minimum stress.

5. according to the design of the compressor wire wound form isostatic pressed frame described in Claims 1-4 any one System, it is characterised in that also include generating calculation specification module, for by calculating process and result of calculation, Check result is output as calculation specification.

6. the method for designing of a compressor wire wound form isostatic pressed frame, it is characterised in that including:

Gantry parameter input module input service cylinder pressure p and radius r, framework window length L, width w, in advance Tight coefficient, column and half circular beam material allowable stress, safety coefficient, steel wire allowable stress, column radical；

Parameter according to the input of gantry parameter input module is calculated sectional area Ac and parameter γ, the root of column Choose the value of λ according to parameter γ, and utilize the parameter of λ to calculate column gauge a and column width dimensions b；

Parameter according to the input of gantry parameter input module is calculated half circular beam radius R1；

According to the groove width of framework pillar width design winding steel wire, inputting groove width b0 parameter, input selects to be wound around Steel wire width, calculate the number of turns of each layer of winding steel wire, the input elastic modulus E w of steel wire, column Elastic modulus E c, the sectional area Sw of steel wire and the sectional area Ac of column, calculate the rigidity of a steel wire and column Than c, pretightning force Fc, pretightning force Fca acted on a root post and the steel wire floor acted on a root post On total tension force Fw, input not stability safety factor n4, calculate column critical load Pk, and judge column meeting Will not unstability, if unstability, then adjust parameter above and recalculate, until obtaining satisfied result；

Coefficientoffrictionμ according to steel wire and the thickness deltat of a steel wire, calculate and obtain steel wire floor innermost layer radius, Steel wire floor outermost layer radius R2, every layer of number of turns m being wound around；And automatically for being wound around number of plies z one initial value of setting, And calculate pretightning force Fca2 acted on a root post, with above calculate obtain act on a root post On pretightning force Fca compare, if both are unequal, increase/reduce and be wound around the number of plies, cycle calculations, until Fca2 Time close with Fca, to obtain being wound around number of plies z value；

Calculate R2/R1,2L/R1, then obtain being wound around type by comparing with synopsis.

The method for designing of compressor wire wound form isostatic pressed frame the most according to claim 6, it is special Levy and be, also include calculating each layer of steel wire winding initial tension, and produce form, when being wound around as reality The setting value of Prestress of Steel Wire.

The method for designing of compressor wire wound form isostatic pressed frame the most according to claim 6, it is special Levy and be, also include calculating innermost layer steel wire maximum stress σ_3maxWith outermost layer steel wire maximum stress σ_4max, two Person the most respectively with steel wire allowable stress σ₃Compare, judge whether steel wire static strength meets design requirement with this.

The method for designing of compressor wire wound form isostatic pressed frame the most according to claim 6, it is special Levy and be, also include that the variation of answering controlling steel wire meets

Wherein:

${\mathrm{\σ}}_{cp}=\frac{{\mathrm{\σ}}_{3max}+{\mathrm{\σ}}_{3min}}{2}$

σ_3maxInnermost layer steel wire maximum stress；

σ_3minInnermost layer steel wire minimum stress.

10. setting according to the compressor wire wound form isostatic pressed frame described in claim 6 to 9 any one Meter method, it is characterised in that also include being output as calculating process and result of calculation, check result calculating saying Bright book.