CN108062441A - A kind of design method of capacity of the tipping body - Google Patents
A kind of design method of capacity of the tipping body Download PDFInfo
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- CN108062441A CN108062441A CN201711319568.XA CN201711319568A CN108062441A CN 108062441 A CN108062441 A CN 108062441A CN 201711319568 A CN201711319568 A CN 201711319568A CN 108062441 A CN108062441 A CN 108062441A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/06—Power analysis or power optimisation
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- Automation & Control Theory (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of design method of capacity of the tipping body, comprises the following steps：Determine the structure and material of capacity of the tipping body, with reference to dumper technical specification parameter, the extraordinary load to capacity of the tipping body and operation load calculate respectively, then simulation is combined to each load working condition of capacity of the tipping body, it determines that strength assessment is accurate again to survey, design requirement is met by theoretical calculation.
Description
Technical field
The present invention relates to a kind of design methods of capacity of the tipping body.
Background technology
Design currently for capacity of the tipping body all simply takes Experience Design, it is impossible to adapt to the container of different structure.
The content of the invention
Can design requirement be met by theoretical calculation the technical problem to be solved in the present invention is to provide a kind of
The design method of capacity of the tipping body.
In order to solve the above-mentioned technical problem, the present invention comprises the following steps：
A, determine the structure and material of capacity of the tipping body, be then based on HYPERMESH11.0 and ANSYS12.1 finite element fractions
Analysis software establishes capacity of the tipping body limited element calculation model；
B, with reference to dumper technical specification parameter, the extraordinary load to capacity of the tipping body and operation load are counted respectively
It calculates, simulation then is combined to each load working condition of capacity of the tipping body；
C, determine that strength assessment is accurate to survey：
C1, static strength evaluation：Under the effect of extraordinary load working condition, the stress of any point of capacity of the tipping body is no more than material
The yield limit of material, i.e. container each point equivalent stress are respectively less than respective material yield strength, and the formula of wherein equivalent stress is：
Wherein, σeqFor equivalent stress at each node, σi(i=1,2,3) it is each node principal stress；
C2, fatigue strength evaluation：The larger each point of stress in capacity of the tipping body main body is chosen, is based on for simulation operation operating mode
Biggest principal stress direction simplifies each point stress state into uniaxial stress state, calculates each point maximum stress value σmaxAnd minimum should
Force value σmin, and then according to R=σmin/σmaxStress ratio is calculated, passes through the curve of fatigue pair of Moore-Kommer-Japer forms
Structural strength is judged and calculates the more a little bigger fatigue safety coefficient of stress.
As a further improvement on the present invention, in step, the capacity of the tipping body is by steel skeleton, backplate and abrasion-resistant stee
Plate three parts form, and steel skeleton includes foreboard, side plate and bottom plate using four vertical eight horizontal network structure carrying forms, backplate,
Foreboard, side plate and bottom plate are located on steel skeleton, and orthodrome structure is formed between foreboard and side plate, side plate and bottom plate, and steel skeleton is adopted
With high strength steel plate, backplate uses low-alloy high-strength steel plate, and wear-resisting steel plate uses high-strength wearable steel plate materials.
As a further improvement on the present invention, in stepb, operating mode is divided into simulation operation operating mode and extraordinary load working condition,
Simulation operation operating mode is divided into as static load operating mode, straight line operating mode and curve operating mode, extraordinary load working condition be divided into ultimate load operating mode, after
Take turns hanging operating mode, the hanging operating mode of curve trailing wheel, upward slope operating mode, descending operating mode, critical lifting operating mode, horizontal lifting operating mode, startup
Operating mode, damped condition and backplate operating mode.
As a further improvement on the present invention, in the c2 of step C：For the Fatigue Assessment of each weld seam of capacity of the tipping body,
Respectively to the steel construction butt weld of capacity of the tipping body, Fillet Weld Connections of Steel Structures, wear-resisting steel plate butt weld, wear-resisting steel plate fillet welding
Angle welding between seam, steel construction and wear-resisting steel plate carries out analysis of fatigue.
Description of the drawings
It is next with reference to the accompanying drawings and detailed description that the present invention will be further described in detail.
Fig. 1 is the structure chart of capacity of the tipping body.
Fig. 2 is the Moore-Kommer-Japer curves of fatigue of high-strength steel slab base material and weld seam.
Fig. 3 is the Moore-Kommer-Japer curves of fatigue of high-strength wearable steel plate steel base material and weld seam.
Fig. 4 is steel construction base material fatigue assessment.
Fig. 5 is wear-resisting steel plate base material fatigue assessment.
Fig. 6 is steel construction butt weld fatigue assessment.
Fig. 7 is Fillet Weld Connections of Steel Structures fatigue assessment.
Fig. 8 is wear-resisting steel plate butt weld fatigue assessment.
Fig. 9 is wear-resisting steel plate angle welding fatigue assessment.
Figure 10 is steel skeleton and wear-resisting steel plate angle welding fatigue assessment.
Specific embodiment
The present invention comprises the following steps：
A, the structure and material of capacity of the tipping body is determined, the capacity of the tipping body is by steel skeleton 1, backplate and wear-resisting steel plate three
Part forms, and steel skeleton 1 includes foreboard 2, side plate 3 and bottom plate 4 using four vertical eight horizontal network structure carrying forms, backplate,
Foreboard 2, side plate 3 and bottom plate 4 are located on steel skeleton 1, and orthodrome structure is formed between foreboard 2 and side plate 3, side plate 3 and bottom plate 4,
Steel skeleton 1 uses high strength steel plate, and backplate uses low-alloy high-strength steel plate, and wear-resisting steel plate uses high-strength wearable steel plate materials, container
Steel skeleton 1 is the welding box-shaped beam of steel plate of different-thickness, is internally provided with the stiffener plate of different-thickness, and backplate uses 5mm steel plates,
Container wear-resisting steel plate uses the steel plate of different-thickness, is then based on HYPERMESH11.0 and ANSYS12.1 finite element analysis softwares
Establish capacity of the tipping body limited element calculation model；
B, with reference to dumper technical specification parameter, the extraordinary load to capacity of the tipping body and operation load are counted respectively
It calculates, simulation is then combined to each load working condition of capacity of the tipping body, operating mode is divided into simulation operation operating mode and extraordinary load work
Condition, simulation operation operating mode are divided into as static load operating mode, straight line operating mode and curve operating mode, and extraordinary load working condition is divided into ultimate load work
The hanging operating mode of condition, trailing wheel, the hanging operating mode of curve trailing wheel, upward slope operating mode, descending operating mode, critical lifting operating mode, horizontal lifting operating mode,
Start operating performance, damped condition and backplate operating mode；
C, determine that strength assessment is accurate to survey：
C1, static strength evaluation：Under the effect of extraordinary load working condition, the stress of any point of capacity of the tipping body is no more than material
The yield limit of material, i.e. container each point equivalent stress are respectively less than respective material yield strength, and the formula of wherein equivalent stress is：
Wherein, σeqFor equivalent stress at each node, σi(i=1,2,3) it is each node principal stress；
C2, fatigue strength evaluation：Respectively to the steel construction butt weld of capacity of the tipping body, Fillet Weld Connections of Steel Structures, abrasion-resistant stee
The larger each point of stress in angle welding between plate butt weld, wear-resisting steel plate angle welding, steel construction and wear-resisting steel plate, for simulation
It runs operating mode and is based on biggest principal stress direction simplification each point stress state into uniaxial stress state, calculate each point maximum stress value
σmaxAnd minimum stress value σmin, and then according to R=σmin/σmaxStress ratio is calculated, passes through Moore-Kommer-Japer forms
The curve of fatigue structural strength is judged and calculates the more a little bigger fatigue safety coefficient of stress.Fig. 2, Fig. 3 are provided respectively
The Moore-Kommer-Japer form curves of fatigue of high strength steel plate and high-strength wearable steel plate materials, respectively to the mother of respective material
Material and weld seam carry out Fatigue strength assessment.Fig. 4 is steel construction base material fatigue assessment.Fig. 5 is wear-resisting steel plate base material fatigue assessment.Figure
6 be steel construction butt weld fatigue assessment.Fig. 7 is Fillet Weld Connections of Steel Structures fatigue assessment.Fig. 8 is wear-resisting steel plate butt weld fatigue
Evaluation.Fig. 9 is wear-resisting steel plate angle welding fatigue assessment.Figure 10 is steel skeleton 1 and wear-resisting steel plate angle welding fatigue assessment.
Claims (4)
1. a kind of design method of capacity of the tipping body, which is characterized in that comprise the following steps：
A, determine the structure and material of capacity of the tipping body, it is soft to be then based on HYPERMESH11.0 and ANSYS12.1 finite element analyses
Part establishes capacity of the tipping body limited element calculation model；
B, with reference to dumper technical specification parameter, the extraordinary load and operation load of capacity of the tipping body are calculated respectively, so
Simulation is combined to each load working condition of capacity of the tipping body afterwards；
C, determine that strength assessment is accurate to survey：
C1, static strength evaluation：Under the effect of extraordinary load working condition, the stress of any point of capacity of the tipping body is no more than material
Yield limit, i.e. container each point equivalent stress are respectively less than respective material yield strength, and the formula of wherein equivalent stress is：
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<mi>&sigma;</mi>
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</msub>
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<mo>&lsqb;</mo>
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<mi>&sigma;</mi>
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Wherein, σeqFor equivalent stress at each node, σi(i=1,2,3) it is each node principal stress；
C2, fatigue strength evaluation：The larger each point of stress in capacity of the tipping body main body is chosen, maximum is based on for simulation operation operating mode
Principal direction of stress simplifies each point stress state into uniaxial stress state, calculates each point maximum stress value σmaxAnd minimum stress value
σmin, and then according to R=σmin/σmaxStress ratio is calculated, by the curve of fatigue of Moore-Kommer-Japer forms to structure
Intensity is judged and calculates the more a little bigger fatigue safety coefficient of stress.
2. by the design method of capacity of the tipping body described in claim 1, it is characterised in that：In step, the dumper goods
Case is made of steel skeleton, backplate and wear-resisting steel plate three parts, and steel skeleton is using four vertical eight horizontal network structure carrying forms, shield
Plate includes foreboard, side plate and bottom plate, and foreboard, side plate and bottom plate are located on steel skeleton, shape between foreboard and side plate, side plate and bottom plate
Into orthodrome structure, steel skeleton uses high strength steel plate, and backplate uses low-alloy high-strength steel plate, and wear-resisting steel plate uses high-strength wearable steel
Plate material.
3. by the design method of capacity of the tipping body described in claim 1, it is characterised in that：In stepb, operating mode is divided into simulation
Operating mode and extraordinary load working condition are runed, simulation operation operating mode is divided into as static load operating mode, straight line operating mode and curve operating mode, extraordinary load
Operating mode is divided into the hanging operating mode of ultimate load operating mode, trailing wheel, the hanging operating mode of curve trailing wheel, upward slope operating mode, descending operating mode, critical lifting
Operating mode, horizontal lifting operating mode, start operating performance, damped condition and backplate operating mode.
4. by the design method of capacity of the tipping body described in claim 1, it is characterised in that：In the c2 of step C：For self-unloading
The Fatigue Assessment of each weld seam of vehicle container, respectively to the steel construction butt weld of capacity of the tipping body, Fillet Weld Connections of Steel Structures, wear-resisting steel plate
Angle welding between butt weld, wear-resisting steel plate angle welding, steel construction and wear-resisting steel plate carries out analysis of fatigue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319568.XA CN108062441A (en) | 2017-12-12 | 2017-12-12 | A kind of design method of capacity of the tipping body |
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| CN201711319568.XA CN108062441A (en) | 2017-12-12 | 2017-12-12 | A kind of design method of capacity of the tipping body |
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| CN108062441A true CN108062441A (en) | 2018-05-22 |
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| CN201711319568.XA Pending CN108062441A (en) | 2017-12-12 | 2017-12-12 | A kind of design method of capacity of the tipping body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109117554A (en) * | 2018-08-13 | 2019-01-01 | 广州电力机车有限公司 | A kind of quarry tipper is walked on stage structure lightened design method |
| CN111546967A (en) * | 2020-05-28 | 2020-08-18 | 徐州徐工矿业机械有限公司 | Dump truck cargo compartment and design method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109117554A (en) * | 2018-08-13 | 2019-01-01 | 广州电力机车有限公司 | A kind of quarry tipper is walked on stage structure lightened design method |
| CN111546967A (en) * | 2020-05-28 | 2020-08-18 | 徐州徐工矿业机械有限公司 | Dump truck cargo compartment and design method |
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Application publication date: 20180522 |
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