CN103853053B - Gymnasium dynamic load stability control method - Google Patents

Abstract

The invention provides a gymnasium dynamic load stability control method which is applied to building carriers of the same type and in the same field so that a building can be better maintained and the service life can be prolonged. In engineering practice, if accelerated speeds generated by various mass points in a member are obvious through loads, or the loads change along with time, the loads are called dynamic loads. When an object impacts a still member at a certain speed, the speed of the object dramatically changes in short time, a high negative value accelerated speed is generated, and the object exerts great acting force on the member. According to the method, the effect of controlling the dynamic loads is achieved by means of a sliding trolley, double-security perfect cooperation is achieved under the support of an impeccable intelligent system control technology and reasonable application of a mechanized control technology, safety performance of the building is guaranteed in the use process; the internal space of the whole building is well dynamic, so that machines are perfectly combined with the building.

Description

A kind of gymnasium dynamic load stability control method

Technical field

The present invention relates to a kind of stadiums dynamic load stability control method, easily can accurately understand the dynamic of building Power load, thus find out the control method of stabilizing it property it is ensured that the security performance in gymnasium.One slight sliding machine is sent out Wave the function of controlling dynamic load, made the dynamic load that gymnasium produces be maintained at a stable numerical value, by perfect intelligence System manipulates technology, makes sliding machine reach the effect controlling gymnasium dynamic load.

Background technology

At present, with industrial energy consumption, traffic energy consumption side by side, the three big energy consumptions becoming AND ENERGY RESOURCES CONSUMPTION IN CHINA are big for building energy consumption Family.Especially building energy consumption, with the lifting constantly riseing with residence comfort of building total amount, assumes the trend steeply rising. So saving energy consumption becomes a difficult problem in face of designer for the pendulum.As time goes by, building body is subject to long-term wind day Shine, in order to mitigate the burden of consumption, various maintenances are built the method operation of endurance and given birth to, but some methods simply lay particular emphasis on The maintenance of building surface body of wall, and the situation of the dynamic load that building interior exists cannot be understood.This patent is then to consider ring simultaneously Border, comfort level and three aspects of energy-saving equipment, by the support of physical technique, with this establish out the most reasonably building dynamic load steady Qualitatively control method.The stability of building dynamic load is related to environment, the energy, material and related a series of cost, leads to Cross sliding machine to reach the primary detection that the control action of gymnasium dynamic load stability is this patent and compatible point.Becoming The support of perfect intelligence system is coordinated to utilize sliding machine it is possible to reach on the premise of ripe mechanization manipulation technology application Control the effect of gymnasium dynamic load stability.

Content of the invention

It is an object of the invention to provide a kind of gymnasium dynamic load stability control method；

It is a further object of the present invention to provide a kind of method of the dynamic load fast and effectively understanding building interior generation；

A kind of method of the stability that can control building dynamic load using sliding machine of the offer of the present invention, concrete step Suddenly as follows：

(1), whole building thing is considered as a large space grid, by numerous identical inside described large space grid Little space lattice composition, the size of little space lattice determines according to computational accuracy, each little space lattice corresponds to a room, Or spatial recomposition is carried out to little space lattice according to the room-size in reality；

(2) required architecture information during analytical calculation building and environmental information, are established, by described architecture information and ring Environment information inputs the simulation carrying out wind environment and humidity environment in computer, draws the energy loss data of whole building thing；

(3), on daylighting simulation softward platform, the wind environment being obtained using plug-in unit steps for importing (2) and humidity environment Simulate drawn energy loss data and carry out two layers of simulation；

(4), further according to the energy loss data known after (3) two layers of simulation of step, each little space lattice is counted Calculate, the data the tried to achieve just design reference as room layout in future；

(5), room quantity and the setting of attribute are carried out in a computer, then then basis in whole building object space layout The number of energy loss is arranging corresponding room on corresponding position；

(6), finally according to requiring, building is carried out with the analysis of function arrangement, by attribute identical functional areas in analysis Concentrate on one as far as possible；

(7), collect the reference just as space dynamic load for the data, for gymnasium internal information is converted into meter Calculation information, carries out the analysis of dynamic load stability as requested to building；

The analysis of described dynamic load stability is passed through to realize with sliding machine, and described sliding machine is arranged in steelframe knot On structure, gymnasium internal information is converted into calculating information and is stored in reach the effect controlling dynamic load in dolly,

If load makes the acceleration that in rod member, each particle produces more significant, or load time to time change, then described load Lotus is dynamic loading；When the static rod member of the object impact with certain speed, the speed of this object is anxious in a short period of time Drastic change, produces very big negative value acceleration, therefore object applies very big active force to static rod member；

Computing formula

N bearing rotating speed, r/min in formula;C dynamic load rating, N；P equivalent radial load, N；The ε longevity Life index；FF loading coefficient, to rotating disk and tap base bearing, fF=1.25；FL lubricating life correction factor； FR reliable life correction factor；FU clearance life adjustment factor；FE axial direction deflection life adjustment factor； FY material smelting process life adjustment factor；FH case hardness life adjustment factor, fH=(gH）ε, gH are specified Dynamic loading hardness correction factor；FT temperature life adjustment factor, fT=（gT）ε, gT are Bearing dynamic rated load temperature adjustmemt Coefficient；FG lubrication oil filtration accuracy life correction factor, roller bearing fG=3.5（Gj）- 0.55, Gj are the fineness of filter screen (μm).

Obtaining rolling bearing damage under varying load operating mode by Theory of The Cumulative Fatigue Damage is：

Q degree of injury in formula；The load series of S loading spectrum；L ' i a certain load level is in guideline lives Cycle-index in phase, 106rLi a certain load level reach capacity the life-span when cycle-index, 106r.L ' i, Li are by following formula Determine：

Rotating speed during ni a certain load level, r/min in formula；The qi a certain load level duration of runs accounts for total time Ratio；The LR rolling bearing total working life-span, h；Equivalent radial load during Pi a certain load level, N.Coefficient fL, fU, fE Change with magnitude of load, therefore fL, fU, the fE under equivalent equivalent radial load Pm is unknown.By formula（2）、（3）To solve Effect equivalent radial load Pm is very difficult.For convenience of calculation, take the lower mean value fLm revising system of load effects at different levels, fUm, FEm as fL, fU, the fE under equivalent equivalent radial load, that is,

Base bearing is issued to same damage, coefficient in equivalent equivalent radial load Pm and identical load cycle times condition FT, fH, fR, fY, fG impact loaded less, can be taken as definite value.

Obtaining equivalent equivalent radial load after abbreviation is

Base bearing fatigue life is

Nm=base bearing average speed in formula, r/min, and

Rolling bearing load is as shown in Figure 4 with the relation curve in life-span.Curvilinear equation is

=constant

In formula：

P equivalent dynamic load（N）；

L₁₀Basic rating life（10⁶r）；

ε life index, ball bearing ε=3, roller bearing ε=10/3.

Bearing basic rating life is 1,000,000 turns（1x10⁶r）When the load that can bear be referred to as basic rated load C (N), substitute into above formula can obtain

Or

In formula：

The operating rate of n bearing（r/min）；

L_10、L_hIt is respectively the bearing life in units of revolution and hourage（r、h）；

For the dynamic load of the axle equipped with flywheel, flywheel and axle make even underdrive simultaneously, and its angular acceleration is：The direction of α is in opposite direction with ω's；By Static Method, On flywheel, additional inertance moment dM (its direction is contrary with α) is

In formula, J is the rotary inertia of flywheel, and its value is

During braking, frictional couple square produced by brake is balanced with moment of inertia IM, so that axle is subject to torsional deflection. So while inertia torque and in the axle that causes maximum shear stress be

.

In the present invention, described architecture information includes construction material and structure；Described environmental information includes solar radiation Wind direction to the solar radiation degree, the blast of periphery and periphery that building surface is formed.

The beneficial effects of the present invention is：

Specifically, advantages of the present invention is as follows：Easily can accurately understand the dynamic load of building, thus find out making The control method of its stability is it is ensured that the security in gymnasium.By the utilization of sliding machine, to reach the work controlling dynamic load With manipulating through perfect intelligence system and manipulating under the reasonable utilization of technology with mechanization under the support of technology, realize dual fail-safe Perfect cooperation it is ensured that building security performance in use.One slight sliding machine has played control dynamic load Function, make gymnasium produce dynamic load be maintained at a stable numerical value.The present invention is then to consider environment, comfort level simultaneously With three aspects of energy-saving equipment, by the support of physical technique, the control the most reasonably building dynamic load stability is established out with this Method processed.The stability of building dynamic load is related to environment, the energy, material and related a series of cost, little by sliding Car is reaching the primary detection that the control action of gymnasium dynamic load stability is this patent and compatible point.In ripe machinery The support coordinating perfect intelligence system on the premise of changing manipulation technology application controls physical culture it is possible to reach using sliding machine The effect of shop dynamic load stability.

Brief description

Fig. 1 is the schematic diagram of stadiums；

Fig. 2 is the schematic diagram of stadiums sliding machine；Devise 2 kinds of load curves, the maximum detonation pressure of load curve 1 is 5MPa (be equivalent to 1t TNT ground burst when peak overpressure at quick-fried source 5m for the shock wave), decay to 0 in 6ms；Load is bent The maximum detonation pressure 5MPa of line 2, decays to 0 in 12ms；

Fig. 3 is dynamic load schematic diagram；

Fig. 4 is bearing load life curve schematic diagram；

Fig. 5 is the axle dynamic load schematic diagram equipped with flywheel；

Fig. 6 is cooling and load action bottom offset curve synoptic diagram；

Fig. 7 is gymnasium specific implementation step flow chart；

Fig. 8 controls the schematic diagram of dynamic load stability for stadiums.

In figure label：1. venue entrances, 2. steel frame construction, 3. sliding machine, 4. load curve 1 5. load curve 2,6. Brake 7. flywheel.

Specific embodiment

In engineering in practice, in addition to the component by dead weight, also many moving links will be run into, these components exist During high-speed cruising, the dynamic effect usually occurring can not ignore is attached to the dynamic effect on moving link.If load makes The acceleration that in rod member, each particle produces is more significant, or load time to time change, then such load is referred to as dynamic loading.When Have certain speed object impact static rod member when, the speed of this object drastically changes in a short period of time, produces very Big negative value acceleration, therefore object applies very big active force to static rod member.

Computing formula

N bearing rotating speed, r/min in formula;C dynamic load rating, N；P equivalent radial load, N；The ε longevity Life index；FF loading coefficient, to rotating disk and tap base bearing, fF=1.25；FL lubricating life correction factor； FR reliable life correction factor；FU clearance life adjustment factor；FE axial direction deflection life adjustment factor； FY material smelting process life adjustment factor；FH case hardness life adjustment factor, fH=(gH）ε, gH are specified Dynamic loading hardness correction factor；FT temperature life adjustment factor, fT=（gT）ε, gT are Bearing dynamic rated load temperature adjustmemt Coefficient；FG lubrication oil filtration accuracy life correction factor, roller bearing fG=3.5（Gj）- 0.55, Gj are the fineness of filter screen (μm).Obtaining rolling bearing damage under varying load operating mode by Theory of The Cumulative Fatigue Damage is

Q degree of injury in formula；The load series of S loading spectrum；L ' i a certain load level is in guideline lives Cycle-index in phase, 106rLi a certain load level reach capacity the life-span when cycle-index, 106r.L ' i, Li are by following formula Determine

Rotating speed during ni a certain load level, r/min in formula；The qi a certain load level duration of runs accounts for total time Ratio；The LR rolling bearing total working life-span, h；Equivalent radial load during Pi a certain load level, N.Coefficient fL, fU, fE Change with magnitude of load, therefore fL, fU, the fE under equivalent equivalent radial load Pm is unknown.By formula（2）、（3）To solve Effect equivalent radial load Pm is very difficult.For convenience of calculation, take the lower mean value fLm revising system of load effects at different levels, fUm, FEm as fL, fU, the fE under equivalent equivalent radial load, that is,

Base bearing is issued to same damage, coefficient in equivalent equivalent radial load Pm and identical load cycle times condition FT, fH, fR, fY, fG impact loaded less, can be taken as definite value.

Obtaining equivalent equivalent radial load after abbreviation is

Base bearing fatigue life is

Nm=base bearing average speed in formula, r/min, and

Rolling bearing load is as shown in Figure 4 with the relation curve in life-span.Curvilinear equation is

=constant

In formula：

P equivalent dynamic load（N）；

L₁₀Basic rating life（10⁶r）；

ε life index, ball bearing ε=3, roller bearing ε=10/3.

Bearing basic rating life is 1,000,000 turns（1x10⁶r）When the load that can bear be referred to as basic rated load C (N), substitute into above formula can obtain

Or

In formula：

The operating rate of n bearing（r/min）；

L_10、L_hIt is respectively the bearing life in units of revolution and hourage（r、h）

Dynamic load equipped with the axle of flywheel

As shown in figure 5, axle is when 10s brakes, flywheel and axle make even underdrive simultaneously, and its angular acceleration is

The direction of α is in opposite direction with ω's.Press Quiet method, on flywheel, additional inertance moment dM (its direction is contrary with α) is

In formula, J is the rotary inertia of flywheel, and its value is

During braking, frictional couple square produced by brake is balanced with moment of inertia IM, so that axle is subject to torsional deflection. So while inertia torque and in the axle that causes maximum shear stress be

As shown in Figure of description, by stadiums dynamic load stability control method, can easily make building live load Carry stability to be controlled.In addition the arrangement of building function can also be determined as needed, by the functional space required for building Rationally utilized.The realization of this patented technology first will merge three kinds of technological systems to realize, and first is building light analysis system System, this is a kind of solar radiation degree that by solar radiation, building surface can be formed（These degree are subject to construction material Impact with structure）To judge to build light situation；Second is the periphery blast and wind direction heat dispersal situations to building, such as winter The north can accelerate build temperature loss；The third is the intelligent analysis of computer it is simply that being obtained according to above two steps The functional space of same attribute is properly concentrated, the setting of this attribute with daylighting can be by the data of temperature passage Emphasis considers to consider it is also possible to carry out emphasis by temperature passage situation.There are these three technology, melted by a software platform Close the building body amount relation it is possible to required for calculating.Accomplish further energy-saving design on this body amount relation whereby, This patent is devoted to developing the necessary technology that the strategy of sustainable development enters building field.Calculate requisite ring as the scale of construction Section, computer with being by accurate formula scales, enroll the present invention needs acceptance criteria.

Whole building thing is considered as a big space lattice, the inside of described big space lattice is by numerous identical Little space lattice composition, the size of little space lattice determines according to computational accuracy, each little space lattice corresponds to a room, And also can carry out other spatial recomposition；Establish all architecture informations during analytical calculation required and environmental information, by these Carry out the simulation of wind environment and humidity environment in information input computer, draw the energy loss data of whole building thing；Adopting On optical analog software platform, import wind environment using plug-in unit and humidity environment is simulated drawn energy loss data and carried out two Layer simulation；Further according to the data message known, each space grid is calculated, the data tried to achieve is with regard to conduct Future room layout reference；Carry out room quantity and the setting of attribute in a computer, then then according to energy in space layout Amount run off number arranging corresponding room on corresponding position；Finally according to requiring, function arrangement is carried out to building Attribute identical functional areas are concentrated on one in analysis by analysis as far as possible.Described architecture information includes construction material And structure；Described environmental information includes solar radiation degree, the blast of periphery and the week that solar radiation is formed to building surface The wind direction on side.The attribute in room is bedroom, parlor, toilet and dining room, and the requirement corresponding to bedroom is must daylighting and the temperature difference Change is less；Requirement corresponding to parlor be should daylighting and should difference variation little；Requirement corresponding to toilet is can With daylighting and difference variation can be slightly larger；Requirement corresponding to dining room is can be with daylighting and difference variation can be slightly larger.

This patent is to be solved to be key challenge is how to quote daylighting data and the temperature data by effects of air pressure simultaneously. With regard to current analysis software, it is detached for simulating daylighting and the software of simulation fluid environment, but in the analysis of this patent, adopts Optical software mainly building to be analyzed is affected on building temperature by daylighting and sunlight heat radiation, and hydrodynamics software To be simulated is the energy consumption wastage that periphery wind environment or humidity environment cause to building, and this energy consumption runs off and is mainly With the loss of energy as key data, can draw from here, what our institute's common need applied in fact is energy loss Data.Thus can based on daylighting software platform, on this basis lay plug-in unit, it can be automatically by wind environment mould The energy loss data intended is put into carry out second layer simulation, just have found both compatibility methods.

Additionally, intelligent analysis mode is also the problem that this patent needs solution, the data problem of required solution here In fact it is built upon in the complete temperature leak data basis that drawn, the temperature information going out expressed by " small-sized BOX ".Have This steric information data, the function room quantity of size modulus information further according to room functions and designer's input Information, is reassembled as meeting the conceptual design of room functions needs, be exactly in addition will be provided with attribute on the sunny side room automatically southern Extremely（In the case of building is in the Northern Hemisphere）, caught just can easily quickly realize intellectual analysis at this 2 points, scheme represented In face of designer.

The advantage of this patent：

1. so that building dynamic load stability is controlled.

2. the dynamic load that building produces is by physical knowledge with achieving intellectualized operation.

3. the dynamic load of building is reached most scientific rational analysis, the functional space of building interior is all by reasonably profit With.

4. easily can accurately understand the dynamic load of building, thus find out stabilizing it property control method it is ensured that The security in gymnasium.One slight sliding machine has played the function of controlling dynamic load, makes the dynamic load that gymnasium produces It is maintained at a stable numerical value, technology is manipulated by perfect intelligence system, make sliding machine reach control gymnasium and move The effect of load.

Specific implementation step：All architecture informations required for establishing and environmental information, by these information input computers Carry out the simulation of wind environment and humidity environment, draw energy loss information.On daylighting simulation softward platform, imported using plug-in unit The energy loss data of wind environment simulation carries out two layers of simulation.According to the data message known to each space grid Calculated, the just reference as room layout in future of these data.Carry out room quantity and the setting of attribute in a computer, In such as residential architecture, the attribute in bedroom is light, constant temperature, then automatically bedroom can be arranged in light and energy in space layout The few position of amount loss.As requested building is carried out with the analysis of function arrangement, the work(of meeting attribute identical in intellectual analysis One can be concentrated on as far as possible in area.

Show that rational room functions arrange data and building scale of construction data, establishing scheme for architect provides foundation.This Technology problem to be solved is the preferential selection of data parameters for various functions room and attribute specification, in true layout When, may there is the contradiction of two kinds of environment, simultaneously require, for enough daylighting, simultaneously to require thermal losses little, ventilation is happy, When two kinds of requirements can not be worked together and be possessed it is necessary to choose a priority condition.This condition can be arranged in the way of first to give tacit consent to, But can work as when shown, building room frame can be shown with different colors, to remind user room full The integrated degree of sufficient condition.Then preferred selection order can be edited according to hobby, re-start computing and choose.

Secondary calculating is the innovation of this patent, his the Successful utilization data message of different software, and simulation is applied to The blast on building surface and cooling parameter, are with reference to carrying out secondary calculating to interior again with these parameters, finally draw a set of from Dynamic building scheme, substantially increases the intelligence degree of architectural design energy-conservation.

As time goes by, building body is subject to long-term exposing to the weather, in order to mitigate the burden of consumption, various maintenances Build the method operation of endurance and give birth to, but some methods simply lay particular emphasis on the maintenance of building surface body of wall, and cannot understand The situation of the dynamic load that building interior exists.This patent is then to consider environment, electrical equipment and three aspects of energy-saving equipment simultaneously, passes through The support of physical technique, establishes out, with this, the control method the most reasonably building dynamic load stability.Build stablizing of dynamic load Sexual intercourse, to environment, the energy, material and related a series of cost, reaches gymnasium dynamic load stable by sliding machine Property control action be the primary detection of this patent and compatible point.Join on the premise of ripe mechanization manipulation technology application Close the support of perfect intelligence system it is possible to reach the effect controlling gymnasium dynamic load stability using sliding machine.

In engineering in practice, in addition to the component by dead weight, also many moving links will be run into, these components exist During high-speed cruising, the dynamic effect usually occurring can not ignore is attached to the dynamic effect on moving link.If load makes The acceleration that in rod member, each particle produces is more significant, or load time to time change, then such load is referred to as dynamic loading.When Have certain speed object impact static rod member when, the speed of this object drastically changes in a short period of time, produces very Big negative value acceleration, therefore object applies very big active force to static rod member.Such as, pneumatic hammer forge blank when, due to Tup and this two objects of forging stock, in shock loading produced by impact moment, can make the stress in hammer stem have than quiet lotus stress Several times even tens times of growth.Shock loading, can make the stress in hammer stem have several times even tens times than quiet lotus stress Increase.

The a series of detailed description of those listed above is only for the concrete of possible embodiments of the present invention Illustrate, but this embodiment and be not used to limit the present invention the scope of the claims, all without departing from skill spirit of the present invention made etc. Effect embodiment or change, for example, wait the equivalence embodiment of change, are intended to be limited solely by within the scope of the claims of this case.Simple Architectural design primary concern is that the aspects such as the culture of locality, region characteristic, macroclimate, and economic situation, is conceived to and builds The function of building and moulding.Increasingly serious with resource form, growing to even greater heights of energy-saving and emission-reduction cry, more and more designs single Position, research structure starts to energy-saving building Method of Spreading Design, research.But, former methodical continue so that so-called section in a large number Can building merely based on equipment, the piling up of technology, its overall cost remains high, and difficulty of construction improves relatively, prevents section The popularization in construction market can be built.The present invention, precisely in order to solving difficult, runs and gives birth to.

The method is applied to the building carrier of same type same domain, so that building is preferably safeguarded, extends making of building With the life-span, this will be a great technological innovation, commonly using energetically through the method, will save substantial amounts of manpower and materials Financial resources, can become indispensable important breakthrough in architectural design field from now on surely.In this method, sliding machine not only rises To very little active force, indispensable important support in even more whole design concept.By the utilization of sliding machine, with Reach the effect controlling dynamic load, manipulate through perfect intelligence system under the support of technology and mechanization manipulates the reasonable of technology With under, realize the perfect cooperation of dual fail-safe it is ensured that building security performance in use.Exactly because sliding little Car, makes whole building inner space be rich in innervation, and, the perfect adaptation of machinery and building vigorous full of potentiality pushes away again Move the development of society.

Claims (2)

1. a kind of gymnasium dynamic load stability control method is it is characterised in that comprise the following steps that：

(1), whole building thing is considered as a large space grid, by the little sky of numerous identical inside described large space grid Between grid composition, the size of little space lattice determines according to computational accuracy, and each little space lattice corresponds to a room, or root According to the room-size in reality, spatial recomposition is carried out to little space lattice；

(2) required architecture information during analytical calculation building and environmental information, are established, by described architecture information and environment letter Carry out the simulation of wind environment and humidity environment in breath input computer, draw the energy loss data of whole building thing；

(3), on daylighting simulation softward platform, the wind environment being obtained using plug-in unit steps for importing (2) and humidity environment are simulated The energy loss data being drawn carries out two layers of simulation；

(4), further according to the energy loss data known after (3) two layers of simulation of step, each little space lattice is calculated, The data the tried to achieve just design reference as room layout in future；

(5), room quantity and the setting of attribute are carried out in a computer, then then according to energy in whole building object space layout Run off number arranging corresponding room on corresponding position；

(6), finally according to requiring, building is carried out with the analysis of function arrangement, in analysis, to the greatest extent may be used in attribute identical functional areas Can concentrate on one；

(7), collect the reference just as space dynamic load for the data, for gymnasium internal information is converted into calculating letter Breath, carries out the analysis of dynamic load stability as requested to building；

The analysis of described dynamic load stability is passed through to realize with sliding machine, and described sliding machine is arranged in steel frame construction On, gymnasium internal information is converted into calculating information and is stored in reach the effect controlling dynamic load in dolly, if load makes The acceleration that in rod member, each particle produces is more significant, or load time to time change, then described load is dynamic loading；

Computing formula

$L_h=\frac{{10}^6}{60n}{\left(\frac{C}{f_{F}P}\right)}^{\mathrm{\ϵ}}{f}_L{f}_R{f}_U{f}_E{f}_Y{f}_H{f}_T{f}_G---\left(1\right)$

N bearing rotating speed, r/min in formula；C dynamic load rating, N；P equivalent radial load, N；ε life index；f_FLoad Coefficient, to rotating disk and tap base bearing, f_F=1.25；f_LLubricating life correction factor；f_RReliable life correction system Number；f_UClearance life adjustment factor；f_EAxial deflection life adjustment factor；f_YMaterial smelting process life adjustment factor； f_HCase hardness life adjustment factor, f_H=(g_H)^ε,g_HFor dynamic load rating hardness correction factor；f_TThe temperature life-span is revised Coefficient, f_T=(g_T)^ε, g_TFor Bearing dynamic rated load temperature correction coefficient；f_GLubrication oil filtration accuracy life correction factor, rolling Sub- bearing f_G=3.5 (G_j)^-0.55, G_jFor the fineness of filter screen, μm；

Obtaining rolling bearing damage under varying load operating mode by Theory of The Cumulative Fatigue Damage is：

$Q=\underset{i=J}{\overset{S}{\mathrm{\Σ}}}({L^{\′}}_i/L_i)---\left(2\right)$

In formula：Q degree of injury；The load series of S loading spectrum；L'_iCirculation within the guideline lives phase for a certain load level time Number, 10⁶r；L_iA certain load level reach capacity the life-span when cycle-index, 10⁶r；

L'_i、L_iDetermined by following formula (3)

$\left\{\begin{array}{c}{L^{\′}}_i=n_i{q}_i{L}_R\×60/{10}^6\\ L_i={\[C/\left(f_F{P}_i\right)\]}^{\mathrm{\ϵ}}{f}_{Li}{f}_{Ri}{f}_{Ui}{f}_{Ei}{f}_{Yi}{f}_{Hi}{f}_{Ti}{f}_{Gi}\end{array}\right.---\left(3\right)$

N in formula_iRotating speed during a certain load level, r/min；

q_iThe a certain load level duration of runs accounts for the ratio of total time；

L_RThe rolling bearing total working life-span, h；

P_iEquivalent radial load during a certain load level, N；

f_Lif_Rif_Uif_Eif_Yif_Hif_Tif_GiFor the lower f of different load change_Lf_Rf_Uf_Ef_Yf_Hf_Tf_GVariation coefficient；

Coefficient f_L、f_U、f_EChange with magnitude of load, take the lower mean value f revising system of load effects at different levels_Lm、f_Um、f_EmAs etc. F under effect equivalent radial load_L、f_U、f_E, that is,

$\left\{\begin{array}{c}{f}_{Lm}=\underset{i=1}{\overset{S}{\mathrm{\Σ}}}{f}_{Li}/S\\ f_{Um}=\underset{i=1}{\overset{S}{\mathrm{\Σ}}}{f}_{Ui}/S\\ f_{Em}=\underset{i=1}{\overset{S}{\mathrm{\Σ}}}{f}_{Ei}/S\end{array}\right.---\left(4\right)$

Base bearing is in equivalent equivalent radial load P_mAnd identical load cycle times condition is issued to same damage, coefficient f_T、f_H、 f_R、f_Y、f_GImpact loaded less, is taken as definite value；

$\frac{60L_R\underset{i=1}{\overset{S}{\mathrm{\Σ}}}\left(n_i{q}_i\right)/{10}^6}{{\[C/\left(f_F{P}_m\right)\]}^{\mathrm{\ϵ}}{f}_{Lm}{f}_{Um}{f}_{Em}{f}_R{f}_Y{f}_H{f}_T{f}_G}=\underset{i=1}{\overset{S}{\mathrm{\Σ}}}\frac{60L_R{n}_i{q}_i/{10}^6}{{\[C/\left(f_F{P}_i\right)\]}^{\mathrm{\ϵ}}{f}_{Li}{f}_{Ui}{f}_{Ei}{f}_R{f}_Y{f}_H{f}_T{f}_G}$

Obtaining equivalent equivalent radial load after abbreviation is：

$P_m={\{\[\underset{i=1}{\overset{S}{\mathrm{\Σ}}}(n_i{q}_i{P}_i^{\mathrm{\ϵ}}/(f_{Li}{f}_{Ui}{f}_{Ei}\left)\right)\]\×\[\left(f_{Lm}{f}_{Um}{f}_{Em}\right)/\underset{i=1}{\overset{S}{\mathrm{\Σ}}}\left(n_i{q}_i\right)\]\}}^{\frac{1}{\mathrm{\ϵ}}}---\left(5\right)$

Base bearing fatigue life is

$L_h=\frac{{10}^6}{60n_m}{\left(\frac{C}{f_F{P}_m}\right)}^{\mathrm{\ϵ}}{f}_{Lm}{f}_{Um}{f}_{Em}{f}_R{f}_Y{f}_H{f}_T{f}_G---\left(6\right)$

N in formula_mBase bearing average speed, r/min, and

Rolling bearing load with the relation curve equation in life-span is：

p^ε·L₁₀=constant

In formula：

P equivalent dynamic load, N；

L₁₀Basic rating life, 10⁶r；

ε life index, when using ball bearing, ε=3, when using roller bearing, ε=10/3；

Bearing basic rating life is that the load that can bear when 1,000,000 turns is referred to as dynamic load rating C, N；Substitute into above formula can obtain

Or

In formula：

N bearing rotating speed, r/min；

L₁₀Basic rating life, 10⁶R, L_hBase bearing fatigue life, h；

For the dynamic load of the axle equipped with flywheel, flywheel and axle make even underdrive simultaneously, and its angular acceleration is：

$\mathrm{\α}=\frac{\mathrm{\ω}}{t}=\frac{{\mathrm{\ω}}_1-{\mathrm{\ω}}_0}{t}=\frac{0-2{\mathrm{\π}}^n}{t}=\frac{-2\mathrm{\π}\·2}{10}=-\frac{2\mathrm{\π}}{5}rad\·s^2$

ω is rotational angular velocity, ω₁、ω₀It is the rotational angular velocity of axle and flywheel respectively, wherein negative sign represents the direction of α with ω's In opposite direction；

By Static Method, additional inertance couple square M on flywheel_σ, its direction is contrary with α, is M_σ=-I_σα

I in formula_σFor the rotary inertia of flywheel, its value is

During braking, frictional couple square produced by brake is balanced with moment of inertia IM, so that axle is subject to torsional deflection；So In the axle being caused due to inertia torque, maximum shear stress is

2. according to one of claim 1 gymnasium dynamic load stability control method it is characterised in that：Described building letter Breath includes construction material and structure；Described environmental information include solar radiation to building surface formed solar radiation degree, The blast of periphery and the wind direction of periphery.