阅读说明：本技术 一种驱动装置的输出力矩计算方法 (Output torque calculation method of driving device ) 是由 杨方 吴德锋 于 2021-08-03 设计创作，主要内容包括：本申请属于飞机结构设计领域,特别涉及一种驱动装置的输出力矩计算方法。包括：步骤一、判断驱动装置的总体驱动能力是否满足要求,若满足,则进入步骤二；步骤二、获取所述驱动部件在机械结构支持下的各个支持结构的载荷,以及获取所述驱动装置的各个驱动单元的驱动能力,其中,所述驱动单元与所述支持结构一一对应；步骤三、判断所述驱动装置的各个驱动单元的驱动能力是否均大于对应的支持结构的载荷,若是,则根据各个支持结构的载荷确定对应驱动单元的输出力矩；若否,则对所述驱动装置的各个驱动单元的输出力矩进行重新匹配。本申请通过全方位多维度计算支持结构载荷,降低了结构不满足强度设计要求的风险。(The application belongs to the field of airplane structure design, and particularly relates to an output torque calculation method of a driving device. The method comprises the following steps: step one, judging whether the total driving capability of the driving device meets the requirement, and if so, entering a step two; secondly, acquiring the load of each supporting structure of the driving component under the support of a mechanical structure, and acquiring the driving capability of each driving unit of the driving device, wherein the driving units correspond to the supporting structures one by one; judging whether the driving capability of each driving unit of the driving device is larger than the load of the corresponding supporting structure, if so, determining the output torque of the corresponding driving unit according to the load of each supporting structure; and if not, the output torque of each driving unit of the driving device is matched again. This application has reduced the risk that the structure can not satisfy the strength design requirement through all-round multidimension calculation supporting structure load.)

1. An output torque calculation method of a drive apparatus for effecting driving of a support structure of a drive member, comprising:

step one, judging whether the total driving capability of the driving device meets the requirement, and if so, entering a step two;

secondly, acquiring the load of each supporting structure of the driving component under the support of a mechanical structure, and acquiring the driving capability of each driving unit of the driving device, wherein the driving units correspond to the supporting structures one by one;

step three, judging whether the driving capability of each driving unit of the driving device is larger than the load of the corresponding supporting structure,

if yes, determining the output torque of the corresponding driving unit according to the load of each supporting structure;

and if not, the output torque of each driving unit of the driving device is matched again.

2. The method of calculating the output torque of a drive according to claim 1, wherein the drive is a distributed lug structure that is electrically and hydraulically operated.

3. The method of calculating the output torque of a driving device according to claim 2, wherein the driving member includes a leading edge control surface and a weapon door, and the support structure is a support rocker arm.

4. The output torque calculation method of a drive device according to claim 3, wherein the drive device includes 4 drive units, and the drive member includes 4 support rocker arms.

5. The method for calculating the output torque of the driving device according to claim 1, wherein in the first step, the determining whether the total driving capability of the driving device meets the requirement specifically comprises:

s101, acquiring the maximum output torque of a driving device;

s102, acquiring the moment of a rotating shaft of the driving part when a load is applied to the driving part;

s103, judging whether the maximum output torque of the driving device is larger than the torque of the rotating shaft of the driving part or not, if so, enabling the total driving capability of the driving device to meet the requirement, and if not, enabling the total driving capability of the driving device not to meet the requirement.

6. The output torque calculation method of the drive device according to claim 5, wherein the obtaining the torque of the rotating shaft of the drive member when the load is applied to the drive member in S102 includes:

constructing a finite element model of the drive component;

applying a distributed pneumatic load to a finite element model of the driving component, and acquiring the total load borne by the driving component and the pressure center position;

and calculating the moment of the rotating shaft of the driving part according to the total load and the position of the pressure center.

7. The output torque calculation method of the drive apparatus according to claim 1, wherein in step three, the re-matching of the output torques of the respective drive units of the drive apparatus includes:

by increasing the output torque of the other drive units, compensation of the output torque of the drive unit with a drive capability not greater than the load of the corresponding support structure is achieved.

Technical Field

The application belongs to the field of airplane structure design, and particularly relates to an output torque calculation method of a driving device.

Background

With the development of airplane design technology and urgent design requirements for light weight of structure, the novel driving device of the movable part is gradually applied, and the novel driving device has the advantages of small occupied space, simple design of a connecting and supporting structure of the driving part and reduction of the structure weight. However, due to the limitation of the driving capability of the novel driving device, a new technical problem is brought to the load calculation of the multi-degree static and indeterminate supporting structure.

Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.

Disclosure of Invention

The present application is directed to a method for calculating an output torque of a driving apparatus to solve at least one of the problems of the related art.

The technical scheme of the application is as follows:

an output torque calculation method of a drive apparatus for effecting driving of a support structure of a drive member, comprising:

step one, judging whether the total driving capability of the driving device meets the requirement, and if so, entering a step two;

secondly, acquiring the load of each supporting structure of the driving component under the support of a mechanical structure, and acquiring the driving capability of each driving unit of the driving device, wherein the driving units correspond to the supporting structures one by one;

step three, judging whether the driving capability of each driving unit of the driving device is larger than the load of the corresponding supporting structure,

if yes, determining the output torque of the corresponding driving unit according to the load of each supporting structure;

and if not, the output torque of each driving unit of the driving device is matched again.

In at least one embodiment of the present application, the drive means is an electric and hydraulically operated distributed ear structure.

In at least one embodiment of the present application, the drive member includes a leading edge control surface and a weapons bay door, and the support structure is a support rocker arm.

In at least one embodiment of the present application, the driving means comprises 4 driving units and the driving member comprises 4 supporting swing arms.

In at least one embodiment of the present application, in the step one, the determining whether the total driving capability of the driving device meets the requirement specifically includes:

s101, acquiring the maximum output torque of a driving device;

s102, acquiring the moment of a rotating shaft of the driving part when a load is applied to the driving part;

s103, judging whether the maximum output torque of the driving device is larger than the torque of the rotating shaft of the driving part or not, if so, enabling the total driving capability of the driving device to meet the requirement, and if not, enabling the total driving capability of the driving device not to meet the requirement.

In at least one embodiment of the present application, in S102, the obtaining the torque of the rotating shaft of the driving component when the load is applied to the driving component includes:

constructing a finite element model of the drive component;

applying a distributed pneumatic load to a finite element model of the driving component, and acquiring the total load borne by the driving component and the pressure center position;

and calculating the moment of the rotating shaft of the driving part according to the total load and the position of the pressure center.

In at least one embodiment of the present application, in step three, the re-matching of the output torque of each drive unit of the drive device includes:

by increasing the output torque of the other drive units, compensation of the output torque of the drive unit with a drive capability not greater than the load of the corresponding support structure is achieved.

The invention has at least the following beneficial technical effects:

according to the output torque calculation method of the driving device, the intensity design load calculation can be refined, the structural load is supported through all-dimensional multi-dimensional calculation, and the risk that the structure does not meet the intensity design requirement is reduced.

Drawings

Fig. 1 is a flowchart of an output torque calculation method of a drive device according to an embodiment of the present application.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.

The present application is described in further detail below with reference to fig. 1.

The application provides an output torque calculation method of a driving device, the driving device is used for driving a supporting structure of a driving part, and the method comprises the following steps:

step one, judging whether the total driving capability of the driving device meets the requirement, and if so, entering a step two;

secondly, acquiring the load of each supporting structure of the driving part under the support of the mechanical structure, and acquiring the driving capability of each driving unit of the driving device, wherein the driving units correspond to the supporting structures one by one;

step three, judging whether the driving capability of each driving unit of the driving device is larger than the load of the corresponding supporting structure,

if yes, determining the output torque of the corresponding driving unit according to the load of each supporting structure;

if not, the output torque of each driving unit of the driving device is matched again.

According to the method for calculating the output torque of the driving device, the driving device is generally in a distributed lug structure operated by electricity and hydraulic pressure, the driving of a front edge control surface and a weapon cabin door can be realized, and the driving device has the advantage that the weight of a supporting structure of the driving device can be reduced. The driving component comprises a front edge control surface and a weapon cabin door, the supporting structure can be a supporting rocker arm, and the supporting structure supports the driving component in a mechanical structure supporting mode.

According to the output torque calculation method of the driving device, the torque of the serious load on the rotating shaft of the driving part is calculated according to the serious load state of the driving part, and compared with the driving capability of the driving device, whether the driving capability of the novel driving device meets the requirement or not is determined. Specifically, in the step one, determining whether the total driving capability of the driving device meets the requirement includes:

s101, acquiring the maximum output torque of a driving device;

s102, acquiring the moment of a rotating shaft of the driving part when a load is applied to the driving part;

s103, judging whether the maximum output torque of the driving device is larger than the torque of the rotating shaft of the driving part or not, if so, enabling the total driving capability of the driving device to meet the requirement, and if not, enabling the total driving capability of the driving device not to meet the requirement.

In S102, acquiring the torque of the rotating shaft of the driving member when the load is applied to the driving member includes:

constructing a finite element model of the driving part;

applying the distributed pneumatic load to a finite element model of the driving part, and acquiring the total load born by the driving part and the pressure center position;

and calculating the moment of the rotating shaft of the driving part according to the total load and the position of the pressure center.

In this embodiment, the total load multiplied by the distance from the pressure to the shaft is the torque of the shaft of the drive member.

In the third step, the step of re-matching the output torque of each drive unit of the drive device comprises:

according to the output torque calculation method of the driving device, the output torque of the driving unit with the driving capacity not larger than the load of the corresponding supporting structure is compensated by increasing the output torque of other driving units.

In one embodiment of the present application, the total driving capability of the novel driving device, i.e. the maximum output torque, is 110KN · m, the torque of the serious load of a certain driving component to the rotating shaft of the driving component is calculated to be 100KN · m, and the total driving capability of the driving device is greater than the torque of the serious load of a certain driving component to the rotating shaft of the driving component, so that the total driving capability of the novel driving device meets the requirement. In this embodiment, a certain driving member is supported by 4 supporting rocker arms, the novel driving device includes 4 driving units, and each supporting rocker arm is connected with a corresponding driving unit. Assuming that the supporting rocker arm is in pure mechanical connection with the novel driving device, simulating the rigidity of the supporting rocker arm and applying constraint conditions in a finite element model according to a traditional multi-degree static and uncertain calculation method, and extracting the load of the supporting rocker arm to obtain the load of each supporting rocker arm as follows: 40KN · m, 30KN · m, 20KN · m, 10KN · m. The driving capability of the four driving units of the novel driving device is respectively as follows: 40KN · m, 20KN · m, 30KN · m, 20KN · m. By comparing with the rocker arm supporting load, the driving capability of the driving units of the 1 st, 3 rd and 4 th driving devices is satisfied, but the driving capability of the 2 nd driving unit is insufficient. The output torque of each drive unit of the drive device needs to be re-matched, the 2 nd drive unit needs to bear the load of 30KN · m, and the maximum drive capacity is 20KN · m, so the rest 10KN · m load is borne by the 3 rd drive unit, and the 3 rd drive unit finally bears the load of 30KN · m, and the drive capacity of the 3 rd drive unit is 30KN · m, which just meets the requirement. Finally, the output torques of the 4 drive units of the novel drive can be based on, i.e. the final loads to which each drive unit is subjected are: 40KN · m, 20KN · m, 30KN · m, 10KN · m. Therefore, the omnibearing, multidimensional and refined strength design load is realized.

According to the output torque calculation method of the driving device, the intensity design load calculation can be refined, the structural load is supported through all-dimensional multi-dimensional calculation, and the risk that the structure does not meet the intensity design requirement is reduced.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.