CN112883513B - Mounting point design method for telescopic piece - Google Patents
Mounting point design method for telescopic piece Download PDFInfo
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Abstract
The invention provides a mounting point of a telescopic pieceThe design method uses the projection point O of the hinge axis on the XZ plane as the center of a circle, and the arm L of force of the telescopic piece is opened 1 open Making a circle C1 for radius, and making a tangent line of the circle C1; moment arm L of telescopic piece when closing by taking point O as circle center 1 switch Making a circle C2 for the radius; selecting a point M on the tangent line, so that the point M is outside a circle C2; taking a point N on a straight line AM by taking the point M as a tangent line of a circle C2, wherein the X coordinate of a tangent point B is larger than the X coordinate of a point O; taking the O point as a circle center, passing the N point as an arc, and intersecting the ray MB at a point J; with M as the center of a circle,drawing an arc for the radius, and intersecting the line segment MN at a point P; taking a point K on a line segment MJ; connection JO, connection ON, constraint angle jon=opening angle; and obtaining the coordinate positions of the two mounting points M and N of the telescopic piece on the XZ plane. The invention has low requirement on experience of a designer, can simply and quickly calculate the result, and the calculated result is the minimum size of the gas spring.
Description
Technical Field
The invention relates to the technical field of determination of mounting positions of telescopic members, in particular to a mounting point design method of a telescopic member.
Background
The telescopic elements such as gas springs which are commonly used at present are arranged to be arranged at an initial position according to experience, and the calculation is repeatedly tried and tried until the position is adjusted to be proper.
The existing mode has the following defects: the experience requirements for designers are high, and time and labor are wasted; it is difficult to calculate the minimum size of the gas spring.
Disclosure of Invention
The embodiment of the invention provides a mounting point design method of a telescopic part, which is used for solving the problems of high experience requirement on a designer, time and labor waste in the prior art; the minimum size of the telescopic piece is difficult to calculate, the requirement on experience of a designer is low, the result can be simply and rapidly calculated, and the calculated result is the minimum size of the gas spring.
The embodiment of the invention provides a mounting point design method of a telescopic piece, which comprises the following steps:
step 1, taking a projection point O of a hinge axis on an XZ plane as a circle center, and opening a moment arm L of a telescopic piece 1 open Making a circle C1 for the radius;
step 2, making a tangent line of a circle C1, enabling the tangent line to be close to an intersection line parallel to the part supported by the telescopic piece and the XZ plane, and enabling a coordinate of a tangent point A to be below a hinge axis;
step 3, taking the point O as the center of a circle, and the arm L of force of the telescopic piece is closed 1 switch Is half ofDiameter, making a circle C2;
step 4, selecting a point M on the tangent line made in the step 2, wherein the point M is outside the circle C2 and below the point O, and the point M is a preliminarily selected fixed mounting point of the telescopic piece;
step 5, taking a point N on a straight line AM, wherein the point N is a preliminarily selected movable mounting point of the telescopic piece, and the point A and the point N are arranged on two sides of the point M, wherein the X coordinate of the tangential point B is larger than the X coordinate of the point O,selecting a compression length greater than that of the telescopic piece;
step 6, taking the O point as a circle center and passing through the N point as an arc, and intersecting the X-ray MB at a point J;
step 7, taking M as the center of a circle,drawing an arc for the radius, and intersecting the line segment MN at a point P;
step 8, taking a point K on the line segment MJ to enable
Step 9, connecting JO, connecting ON, and restricting angle jon=opening angle; the coordinate positions of the two mounting points M and N of the telescopic piece in the XZ plane are obtained at this time.
According to the method for designing the mounting point of the telescopic piece provided by the embodiment of the invention, after the step 9, the method further comprises the following steps: and selecting Y coordinates of the two mounting points M and N according to the boundary of the part supported by the telescopic piece, so that the included angle between the connecting line of the two mounting points of the telescopic piece and the Y plane is smaller than 5 degrees when the telescopic piece is closed, and the telescopic piece is prevented from interfering with the periphery in the opening process.
According to the method for designing the mounting point of the telescopic piece provided by the embodiment of the invention, in the step 1, the moment arm L of the telescopic piece when being opened 1 open The calculation formula of (2) is as follows:
according to the moment balance when the telescopic piece is closed by the opening state:
F opening device ×L Opening device +2*F 1 ×L 1 open +G×L G is opened ＝0
The moment arm of the telescopic piece is calculated as follows:
wherein F is Opening device The external force to be applied when the telescopic piece is opened is set, and the parameter is a design input value;
L opening device A moment arm applied for opening the telescoping member, the parameter being measurable from data;
F 1 inputting a reasonable value as a controllable variable in design for the nominal force value of the telescopic piece;
L g is opened A gravity arm of force for the part supported by the telescopic member when opened;
g is the gravity of the part supported by the telescopic piece, and the parameter is a design input value.
According to the method for designing the mounting point of the telescopic piece provided by the embodiment of the invention, in the step 3, the arm L of force when the telescopic piece is closed 1 switch The calculation formula of (2) is as follows:
according to moment balance when the telescopic piece is opened by a closed state:
F switch for closing ×L Switch for closing +2*F 1 ×L 1 switch +G×L G switch ＝0
The moment arm of the telescopic piece is calculated as follows:
wherein F is Switch for closing The external force required to be applied when the telescopic piece is closed is given, and the parameter is a design input value;
L switch for closing For the moment arm applied when the telescopic member is closed, this parameter can be measured from data;
L g switch The parts supported by the telescopic members being closedGravity arm of force.
According to the method for designing the mounting point of the telescopic piece provided by the embodiment of the invention, the moment arm L of the telescopic piece is opened 1 open Moment arm L when closed 1 switch The calculation formula of (2) is performed under the condition of neglecting friction force.
According to the mounting point design method of the telescopic piece, which is provided by the embodiment of the invention, the geometric drawing is carried out through three-dimensional software in the steps 1 to 9.
According to the method for designing the mounting point of the telescopic member provided by the embodiment of the invention, in the step 5,
according to the mounting point design method of the telescopic piece provided by the embodiment of the invention, in the step 8, restraint is carried outDouble extension-compression length of expansion piece>60mm。
According to the mounting point design method for the telescopic piece, in the step 9, the opening angle is calculated by the national standard or the enterprise standard.
According to the mounting point design method for the telescopic piece provided by the embodiment of the invention, the telescopic piece is one of a gas spring, an electric stay rod, a hydraulic cylinder and a cylinder.
According to the mounting point design method of the telescopic piece, the effective force arm of the air spring in the opening and closing states is calculated according to the design input value, the mounting point position is found through geometric drawing, the method is direct, convenient and rapid, and the requirement on experience is low; giving proper input values according to the manufacturing capacity of a supplier, and obtaining the minimum calculation result; the result can be updated directly by adjusting the design input value according to the formula.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of geometric drawing of a method for designing a mounting point of a telescopic member according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A method of designing a mounting point of a telescopic member according to an embodiment of the present invention will be described with reference to fig. 1. For convenience of description, this embodiment will be described by taking the expansion member as a gas spring.
According to the embodiment of the invention, equations are listed according to moment balance formed by the gravity, the nominal force, the opening force and the closing force of the gas spring support part relative to the axis of the hinge when the supported part (such as an automobile tail door) is opened and closed, and then the length of a gas spring force arm in an opened and closed state is calculated by combining respective parameters. And geometric drawing is carried out by three-dimensional software such as cata or creo, and the coordinates of the mounting point of the air spring can be found out at one time.
The embodiment of the invention provides a mounting point design method of a telescopic piece, which is shown in fig. 1 and comprises the following steps:
step 1, as the axis direction (Y direction) of the hinge does not contribute to opening and closing, the three-dimensional moment balance can be simplified into the moment balance of a two-dimensional space (XZ plane); the projection point O of the hinge axis on the XZ plane is taken as the center of a circle, and the arm of force L of the telescopic piece is opened 1 open For the radius, a circle C1 is made.
And 2, making a tangent line of the circle C1, enabling the tangent line to be close to an intersection line parallel to the part supported by the telescopic piece and the XZ plane, and enabling the coordinate of the tangent point A to be below the axis of the hinge.
Step 3, taking the point O as the center of a circle, and the arm L of force of the telescopic piece is closed 1 switch For the radius, a circle C2 is made.
And 4, selecting a point M on the tangent line made in the step 2, wherein the point M is outside the circle C2 and is positioned below the point O, and the point M is a preliminarily selected fixed mounting point of the telescopic piece. It should be noted that, below the O point as referred to herein is referred to the orientation shown in fig. 1.
Step 5, taking a point N on a straight line AM, wherein the point N is a preliminarily selected movable mounting point of the telescopic piece, and the point A and the point N are arranged on two sides of the point M, wherein the X coordinate of the tangential point B is larger than the X coordinate of the point O,selecting a compression length greater than the expansion element, in particular, < >>But not constrained, this value is related to vendor manufacturing capability and can be adjusted according to the actual situation.
And 6, taking the O point as a circle center and passing through the N point as an arc, and intersecting the ray MB at a point J.
Step 7, taking M as the center of a circle,an arc is drawn for a radius, intersecting line segment MN at point P.
Step 8, taking a point K on the line segment MJ to enableConstraint->
Step 9, connecting JO, connecting ON, and calculating a constraint angle & lt jon=opening angle when checking the man-machine; the coordinate positions of the two mounting points M and N of the telescopic piece in the XZ plane are obtained at this time.
According to the method for designing the mounting point of the telescopic piece provided by the embodiment of the invention, after the step 9, the method further comprises the following steps: and 10, selecting Y coordinates of the two mounting points M and N according to the boundary of the part supported by the telescopic piece, so that the included angle between the connecting line of the two mounting points of the telescopic piece and the Y plane is smaller than 5 degrees when the telescopic piece is closed, and the telescopic piece cannot interfere with the periphery in the opening process.
According to the invention, the effective force arm of the gas spring in the opening and closing states is calculated according to the design input value, the position of the mounting point is found out through geometric drawing, the method is direct, convenient and quick, and the requirement on experience is low; giving proper input values according to the manufacturing capacity of a supplier, and obtaining the minimum calculation result; the result can be updated directly by adjusting the design input value according to the formula.
In this embodiment, the minimum size of the gas spring is affected by the nominal force value, the mounting point distance, the opening angle, the manufacturing capability of the supplier, and the like, and the influence factors are controlled to be minimum, so that the gas spring with the minimum size can be obtained.
According to the method for designing the mounting point of the telescopic piece provided by the embodiment of the invention, in the step 1, the moment arm L of the telescopic piece when being opened 1 open The calculation formula of (2) is as follows:
according to the moment balance when the telescopic piece is closed by the opening state:
F opening device ×L Opening device +2*F 1 ×L 1 open +G×L G is opened ＝0
The moment arm of the telescopic piece is calculated as follows:
wherein F is Opening device The external force to be applied when the telescopic piece is opened is set, and the parameter is a design input value;
L opening device A moment arm applied for opening the telescoping member, the parameter being measurable from data;
F 1 for said telescopic memberIs designed, and a reasonable value is input as a controllable variable;
L g is opened A gravity arm of force for the part supported by the telescopic member when opened;
g is the gravity of the part supported by the telescopic piece, and the parameter is a design input value.
According to the method for designing the mounting point of the telescopic piece provided by the embodiment of the invention, in the step 3, the arm L of force when the telescopic piece is closed 1 switch The calculation formula of (2) is as follows:
according to moment balance when the telescopic piece is opened by a closed state:
F switch for closing ×L Switch for closing +2*F 1 ×L 1 switch +G×L G switch ＝0
The moment arm of the telescopic piece is calculated as follows:
wherein F is Switch for closing The external force required to be applied when the telescopic piece is closed is given, and the parameter is a design input value;
L switch for closing For the moment arm applied when the telescopic member is closed, this parameter can be measured from data;
L g switch And a gravity arm for the part supported by the telescopic piece when the part is closed.
According to the method for designing the mounting point of the telescopic piece provided by the embodiment of the invention, the moment arm L of the telescopic piece is opened 1 open Moment arm L when closed 1 switch The calculation formula of (2) is performed under the condition of neglecting friction force.
According to the mounting point design method of the telescopic piece, which is provided by the embodiment of the invention, the steps 1 to 9 are geometric drawing through three-dimensional software such as cata or creo.
According to the mounting point design method of the telescopic piece provided by the embodiment of the invention, in the step 8, restraint is carried outDouble extension-compression length of expansion piece>60mm, which is related to the manufacturer's manufacturing capacity, can be adjusted according to the actual situation.
According to the mounting point design method for the telescopic piece, in the step 9, the opening angle is calculated by the national standard or the enterprise standard.
The invention defines the needed result (such as door opening force and closing force), then calculates the arm of force of the air spring at different positions reversely through the mechanical balance, finally obtains the coordinates of two mounting points of the air spring through geometric drawing, which is convenient and reliable. The moment arm in this embodiment is an effective moment arm.
According to the method for designing the mounting point of the telescopic piece provided by the embodiment of the invention, the telescopic piece is one of a gas spring, an electric stay rod, a hydraulic cylinder or an air cylinder, and can be other telescopic parts.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method of designing a mounting point for a telescoping member, comprising:
step 1, taking a projection point O of a hinge axis on an XZ plane as a circle center, and opening a moment arm L of a telescopic piece 1 open Making a circle C1 for the radius;
step 2, making a tangent line of a circle C1, enabling the tangent line to be parallel to an intersecting line of the part supported by the telescopic piece and the XZ plane, and enabling a coordinate of a tangent point A to be below a hinge axis;
step 3, taking the point O as the center of a circle, and the arm L of force of the telescopic piece is closed 1 switch Making a circle C2 for the radius;
step 4, selecting a point M on the tangent line made in the step 2, wherein the point M is outside the circle C2 and below the point O, and the point M is a preliminarily selected fixed mounting point of the telescopic piece;
step 5, taking a point N on a straight line AM, wherein the point N is a preliminarily selected movable mounting point of the telescopic piece, and the point A and the point N are arranged on two sides of the point M, wherein the X coordinate of the tangential point B is larger than the X coordinate of the point O,selecting a compression length greater than that of the telescopic piece;
step 6, taking the O point as a circle center and passing through the N point as an arc, and intersecting the X-ray MB at a point J;
step 7, taking M as the center of a circle,drawing an arc for the radius, and intersecting the line segment MN at a point P;
step 8, taking a point K on the line segment MJ to enable
Step 9, connecting JO, connecting ON, and restricting angle jon=opening angle; the coordinate positions of the two mounting points M and N of the telescopic piece in the XZ plane are obtained at this time.
2. The method of designing a mounting point for a telescoping member according to claim 1, further comprising, after step 9: and selecting Y coordinates of the two mounting points M and N according to the boundary of the part supported by the telescopic piece, so that the included angle between the connecting line of the two mounting points of the telescopic piece and the Y plane is smaller than 5 degrees when the telescopic piece is closed, and the telescopic piece is prevented from interfering with the periphery in the opening process.
3. The method of claim 1, wherein in step 1, the arm L is an arm L when the telescopic member is opened 1 open The calculation formula of (2) is as follows:
according to the moment balance when the telescopic piece is closed by the opening state:
F opening device ×L Opening device +2*F 1 ×L 1 open +G×L G is opened ＝0
The moment arm of the telescopic piece is calculated as follows:
wherein F is Opening device For the external force to be applied when the telescopic piece is opened, F Opening device Input values for the design;
L opening device Force arm L applied when the telescopic piece is opened Opening device Can be measured from the data;
F 1 inputting a reasonable value as a controllable variable in design for the nominal force value of the telescopic piece;
L g is opened A gravity arm of force for the part supported by the telescopic member when opened;
g is the gravity of the part supported by the telescopic piece, and G is a design input value.
4. A method of designing a mounting point for a telescopic member according to claim 3, wherein in step 3, the arm L is closed 1 switch The calculation formula of (2) is as follows:
according to moment balance when the telescopic piece is opened by a closed state:
F switch for closing ×L Switch for closing +2*F 1 ×L 1 switch +G×L G switch ＝0
The moment arm of the telescopic piece is calculated as follows:
wherein F is Switch for closing For external force to be applied when the telescopic piece is closed, F Switch for closing Input values for the design;
L switch for closing For the arm of force, L, applied when the telescopic member is closed Switch for closing Can be measured from the data;
L g switch And a gravity arm for the part supported by the telescopic piece when the part is closed.
5. The method of claim 4, wherein the arm L is an arm L when the telescopic member is opened 1 open Moment arm L when closed 1 switch The calculation formula of (2) is performed under the condition of neglecting friction force.
6. The method for designing the mounting point of the telescopic member according to claim 1, wherein the steps 1 to 9 are geometric drawing by three-dimensional software.
7. The method of designing a mounting point for a telescopic member according to claim 1, wherein, in step 5,
8. a method of designing a mounting point for a telescopic member according to claim 1, wherein in step 8, the restriction is performedDouble extension-compression length of expansion piece>60mm。
9. The method of claim 1, wherein in step 9, the opening angle is calculated by a national standard or an enterprise standard.
10. The method of claim 1, wherein the telescoping member is one of a gas spring, an electric strut, a hydraulic cylinder, or a pneumatic cylinder.
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| CN202110146102.4A CN112883513B (en) | 2021-02-02 | 2021-02-02 | Mounting point design method for telescopic piece |
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| CN202110146102.4A CN112883513B (en) | 2021-02-02 | 2021-02-02 | Mounting point design method for telescopic piece |
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| CN112883513B true CN112883513B (en) | 2024-03-12 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2471145C1 (en) * | 2011-08-03 | 2012-12-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" (национальный исследовательский университет) (ФГБОУ ВПО "ЮУрГУ" (НИУ)) | Method of controlling accuracy parameters of end faces of body of rotation type articles |
| CN103863401A (en) * | 2012-12-13 | 2014-06-18 | 北汽福田汽车股份有限公司 | Installation position determining method for compartment door air spring strut bar |
| EP3502370A1 (en) * | 2017-12-22 | 2019-06-26 | Dassault Systèmes | Method for designing a tying bar enclosing a plurality of concrete-reinforcing bars |
| CN110848332A (en) * | 2019-11-21 | 2020-02-28 | 燕山大学 | Intersecting-axis non-circular-face gear transmission mechanism |
-
2021
- 2021-02-02 CN CN202110146102.4A patent/CN112883513B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2471145C1 (en) * | 2011-08-03 | 2012-12-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" (национальный исследовательский университет) (ФГБОУ ВПО "ЮУрГУ" (НИУ)) | Method of controlling accuracy parameters of end faces of body of rotation type articles |
| CN103863401A (en) * | 2012-12-13 | 2014-06-18 | 北汽福田汽车股份有限公司 | Installation position determining method for compartment door air spring strut bar |
| EP3502370A1 (en) * | 2017-12-22 | 2019-06-26 | Dassault Systèmes | Method for designing a tying bar enclosing a plurality of concrete-reinforcing bars |
| CN110848332A (en) * | 2019-11-21 | 2020-02-28 | 燕山大学 | Intersecting-axis non-circular-face gear transmission mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 复杂装配体装配关系自动识别方法;徐静;董雁;;机械设计与制造工程;20160115(第01期);全文 * |
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