CN113970434B - Ball pivot three-dimensional loading fatigue test device - Google Patents
Ball pivot three-dimensional loading fatigue test device Download PDFInfo
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- CN113970434B CN113970434B CN202111250272.3A CN202111250272A CN113970434B CN 113970434 B CN113970434 B CN 113970434B CN 202111250272 A CN202111250272 A CN 202111250272A CN 113970434 B CN113970434 B CN 113970434B
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 48
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229920001967 Metal rubber Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application belongs to the technical field of ball joint fatigue tests, and particularly relates to a ball joint three-way loading fatigue test device, which comprises: a support having a support hole thereon; the torsion loading shaft penetrates through the supporting hole, one end of the torsion loading shaft is connected to the spherical hinge rod of the spherical hinge, and the other end of the torsion loading shaft is connected with the torsion loading driving mechanism; the torsion loading driving mechanism can drive the torsion loading shaft to rotate so as to apply torsion load to the spherical hinge; the outer ring of the adapter bearing is connected to the outer ring of the spherical hinge; one end of the radial loading rod is connected with the inner ring of the adapter bearing, and the other end of the radial loading rod is connected with the radial loading driving mechanism; the radial loading driving mechanism can apply push-pull force to the adapter bearing so as to apply radial load to the spherical hinge; the deflection loading piece is connected with the outer ring of the transfer bearing and connected with the deflection loading driving mechanism; the deflection loading driving mechanism can drive the deflection loading sheet to deflect so as to apply deflection load to the spherical hinge.
Description
Technical Field
The application belongs to the technical field of ball joint fatigue tests, and particularly relates to a ball joint three-way loading fatigue test device.
Background
The spherical hinge can transmit multi-directional complex loads such as radial, axial, torsion and deflection, and the metal rubber spherical hinge can reduce impact and vibration loads in the load transmission process, so that the spherical hinge has wide application in engineering.
In order to verify the service life of the ball joint, a ball joint fatigue test is designed, in which a radial load along the Z-axis direction, a torsional load around the X-axis direction, and a deflection load around the Z-axis direction are required to be applied to the ball joint, as shown in FIG. 1.
With current fatigue test device, carry out fatigue test to the ball pivot, have following defect:
1) The radial load along the Z axis direction, the torsion load around the X axis direction and the deflection load around the Z axis direction are applied to the spherical hinge, so that the interference exists, the application is difficult, the stress state of the spherical hinge during working cannot be accurately restored, and the effective test result is difficult to obtain;
2) The radial load applied to the spherical hinge along the Z-axis direction, the torsional load around the X-axis direction and the deflection load around the Z-axis direction have mutual influence, so that the spherical hinge is difficult to accurately apply, and the accuracy of the test result is not ensured.
The present application has been made in view of the above-described technical drawbacks.
It should be noted that the above disclosure of the background art is only for aiding in understanding the inventive concept and technical solution of the present application, which is not necessarily prior art to the present patent application, and should not be used for evaluating the novelty and creativity of the present application in the case where no clear evidence indicates that the above content has been disclosed at the filing date of the present application.
Disclosure of Invention
The application aims to provide a ball hinge three-way loading fatigue test device which overcomes or alleviates at least one technical defect existing in the prior art.
The technical scheme of the application is as follows:
a ball pivot three-way loading fatigue test device, comprising:
a support having a support hole thereon;
The torsion loading shaft penetrates through the supporting hole, one end of the torsion loading shaft is connected to the spherical hinge rod of the spherical hinge, and the other end of the torsion loading shaft is connected with the torsion loading driving mechanism; the torsion loading driving mechanism can drive the torsion loading shaft to rotate so as to apply torsion load to the spherical hinge;
the outer ring of the adapter bearing is connected to the outer ring of the spherical hinge;
One end of the radial loading rod is connected with the inner ring of the adapter bearing, and the other end of the radial loading rod is connected with the radial loading driving mechanism; the radial loading driving mechanism can apply push-pull force to the adapter bearing so as to apply radial load to the spherical hinge;
The deflection loading piece is connected with the outer ring of the transfer bearing and connected with the deflection loading driving mechanism; the deflection loading driving mechanism can drive the deflection loading sheet to deflect so as to apply deflection load to the spherical hinge.
According to at least one embodiment of the present application, in the ball joint three-way loading fatigue test device, there are a plurality of support holes, and a bearing is disposed between each support hole and the torsion loading shaft.
According to at least one embodiment of the present application, in the above-mentioned ball joint three-way loading fatigue test device, the torsion loading shaft is disposed through the ball joint rod;
ball pivot three-dimensional loading fatigue test device still includes:
the torsion loading angle sensor is connected to the support and is connected with one end of the torsion loading shaft, which is opposite to the torsion loading driving mechanism.
According to at least one embodiment of the present application, in the ball joint three-way loading fatigue test device, the torsion loading driving mechanism includes:
one end of the torsion loading driving rocker arm is connected with one end of the torsion loading shaft, which is opposite to the spherical hinge;
the torsion loading driving actuator cylinder is hinged with the other end of the torsion loading driving rocker arm so as to drive the torsion loading shaft to rotate through the torsion loading driving rocker arm.
According to at least one embodiment of the present application, in the ball joint three-way loading fatigue test device, the radial loading driving mechanism includes:
The radial loading drive actuator cylinder is connected with one end of the radial loading rod, which is back to the transfer bearing, so that push-pull force can be applied to the transfer bearing.
According to at least one embodiment of the application, in the spherical hinge three-way loading fatigue test device, the deflection loading piece is connected between the outer ring of the spherical hinge and the outer ring of the adapter bearing.
According to at least one embodiment of the present application, in the ball joint three-way loading fatigue test device, the deflection loading driving mechanism includes:
the deflection loading driving actuator cylinder is connected to the deflection loading sheet so as to drive the deflection loading sheet to deflect.
According to at least one embodiment of the application, in the spherical hinge three-way loading fatigue test device, a deflection loading displacement sensor is arranged on a deflection loading driving actuating cylinder.
According to at least one embodiment of the application, in the ball hinge three-way loading fatigue test device, two deflection loading driving actuating cylinders are provided, and each deflection loading driving actuating cylinder is correspondingly connected to one end of the deflection loading piece so as to cooperatively drive the deflection loading piece to deflect.
According to at least one embodiment of the present application, in the above ball hinge three-way loading fatigue test device, the device further includes:
The bracket is connected to the support and provided with a displacement restriction hole; the radial loading rod is disposed through the displacement restricting hole.
Drawings
FIG. 1 is a schematic diagram provided by an embodiment of the present application;
fig. 2 is a schematic diagram of a ball hinge three-way loading fatigue test device provided by an embodiment of the application;
FIG. 3 is a side view of FIG. 2;
Fig. 4 is a schematic diagram of a part of a spherical hinge three-way loading fatigue test device according to an embodiment of the present application;
Wherein:
1-a support; 2-torsionally loading shaft; 3-spherical hinge; 4-switching a bearing; 5-radial loading bars; 6-deflecting the loading slide; 7-a torsion loading angle sensor; 8-torsionally loading the driving rocker arm; 9-torsionally loading the drive ram; 10-radial loading drive rams; 11-yaw loading drive ram; 12-bracket.
For the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; further, the drawings are for illustrative purposes, wherein the terms describing the positional relationship are limited to the illustrative description only and are not to be construed as limiting the present patent.
Detailed Description
In order to make the technical solution of the present application and its advantages more clear, the technical solution of the present application will be further and completely described in detail with reference to the accompanying drawings, it being understood that the specific embodiments described herein are only some of the embodiments of the present application, which are for explanation of the present application and not for limitation of the present application. It should be noted that, for convenience of description, only the part related to the present application is shown in the drawings, and other related parts may refer to the general design, and the embodiments of the present application and the technical features of the embodiments may be combined with each other to obtain new embodiments without conflict.
Furthermore, unless defined otherwise, technical or scientific terms used in the description of the application should be given the ordinary meaning as understood by one of ordinary skill in the art to which the application pertains. The terms "upper," "lower," "left," "right," "center," "vertical," "horizontal," "inner," "outer," and the like as used in the description of the present application are merely used for indicating relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and that the relative positional relationships may be changed when the absolute position of the object to be described is changed, thus not being construed as limiting the application. The terms "first," "second," "third," and the like, as used in the description of the present application, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance to the various components. The use of the terms "a," "an," or "the" and similar referents in the description of the application are not to be construed as limiting the amount absolutely, but rather as existence of at least one. As used in this description of the application, the terms "comprises," "comprising," or the like are intended to cover an element or article that appears before the term as such, but does not exclude other elements or articles from the list of elements or articles that appear after the term.
Furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," and the like in the description of the present application are used in a broad sense, and for example, the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements, and the specific meaning of the two elements can be understood by a person skilled in the art according to specific situations.
The application is described in further detail below with reference to fig. 1 to 4.
A ball pivot three-way loading fatigue test device, comprising:
A support 1 having a support hole thereon;
The torsion loading shaft 2 penetrates through the supporting hole, one end of the torsion loading shaft is connected to a spherical hinge rod of the spherical hinge 3, and the other end of the torsion loading shaft is connected with the torsion loading driving mechanism; the torsion loading driving mechanism can drive the torsion loading shaft 2 to rotate so as to apply torsion load to the spherical hinge 3;
The adapter bearing 4 can be a tapered roller bearing, and the outer ring of the adapter bearing is connected to the outer ring of the spherical hinge 3;
One end of the radial loading rod 5 is connected with the inner ring of the adapter bearing 4, and the other end of the radial loading rod is connected with the radial loading driving mechanism; the radial loading driving mechanism can apply a push-pull force to the adapter bearing 4 so as to apply a radial load to the spherical hinge 3;
The deflection loading piece 6 is connected with the outer ring of the adapter bearing 4 and is connected with the deflection loading driving mechanism; the deflection load driving mechanism can drive the deflection load piece 6 to deflect so as to apply a deflection load to the spherical hinge 3.
For the ball hinge three-way loading fatigue test device disclosed in the above embodiment, it can be understood by those skilled in the art that the radial load of the ball hinge 3 along the Z-axis direction, the torsional load around the X-axis direction and the deflection load around the Z-axis direction can be applied simultaneously, so that interference is avoided, the stress state of the ball hinge 3 during working is accurately restored, and an effective fatigue test is performed on the ball hinge 3, thereby obtaining an effective test result.
In some alternative embodiments, in the ball hinge three-way loading fatigue test device, a plurality of supporting holes are provided, and a bearing is arranged between each supporting hole and the torsion loading shaft 2.
In some alternative embodiments, in the ball-hinge three-way loading fatigue test device, the torsion loading shaft 2 is arranged through the ball-hinge rod;
ball pivot three-dimensional loading fatigue test device still includes:
the torsion loading angle sensor 7 is connected to the support 1 and is connected with one end of the torsion loading shaft 2, which is opposite to the torsion loading driving mechanism.
For the ball hinge three-way loading fatigue test device disclosed in the above embodiment, it can be understood by those skilled in the art that under the condition that the radial load applied to the ball hinge 3 along the Z-axis direction is larger, a larger friction force is generated between the torsion loading shaft 2 and the supporting hole, so that it is difficult to ensure the accuracy of applying the torsion load to the ball hinge 3 along the X-axis direction through the torsion loading shaft 2, the torsion loading angle sensor 7 is designed to be connected between the support 1 and one end of the torsion loading shaft 2, which is opposite to the torsion loading driving mechanism, and the torsion loading angle sensor 7 can be used for controlling the torsion loading shaft 2 to apply the torsion load to the ball hinge 3 along the X-axis direction, so as to ensure the accuracy of applying the torsion load to the ball hinge 3 along the X-axis direction, thereby ensuring the accuracy of the test result.
In some optional embodiments, in the ball joint three-way loading fatigue test device, the torsion loading driving mechanism includes:
one end of the torsion loading driving rocker arm 8 is connected with one end of the torsion loading shaft 2, which is opposite to the spherical hinge 3;
The torsion loading driving actuator 9 is hinged to the other end of the torsion loading driving rocker arm 8 so as to be capable of driving the torsion loading shaft 2 to rotate through the torsion loading driving rocker arm 8.
In some optional embodiments, in the ball-and-socket three-way loading fatigue test device, the radial loading driving mechanism includes:
The radial loading drive ram 10 is connected to the end of the radial loading rod 5 facing away from the adapter bearing 4 in order to be able to apply a pulling force to the adapter bearing 4.
In some alternative embodiments, in the ball joint three-way loading fatigue test device, the deflection loading piece 6 is connected between the outer ring of the ball joint 3 and the outer ring of the adapter bearing 4.
In some optional embodiments, in the ball-and-socket three-way loading fatigue test device, the deflection loading driving mechanism includes:
a deflection loading drive actuator 11 is connected to the deflection loading plate 6 to be able to drive the deflection loading plate 6 to deflect.
In some alternative embodiments, the deflection loading driving actuator cylinder 11 is provided with a deflection loading displacement sensor in the spherical hinge three-way loading fatigue test device.
For the ball hinge three-way loading fatigue test device disclosed in the above embodiment, it can be understood by those skilled in the art that in the case of applying a larger radial load to the ball hinge 3 along the Z axis direction, the accuracy of applying a deflection load to the ball hinge 3 along the Z axis direction through the deflection loading piece 6 is affected, the deflection loading driving actuator 11 is designed to have a deflection loading displacement sensor, and the deflection loading displacement sensor feedback displacement control deflection loading piece 6 can be used to control the magnitude of the deflection load applied to the ball hinge 3 along the Z axis direction through the deflection loading driving actuator 11, so that the accuracy of applying a deflection load to the ball hinge 3 along the Z axis direction is ensured, thereby ensuring the accuracy of the test result.
In some alternative embodiments, in the ball-hinge three-way loading fatigue test device, there are two deflection loading driving actuators 11, and each deflection loading driving actuator 11 is correspondingly connected to one end of the deflection loading piece 6 so as to cooperatively drive the deflection loading piece 6 to deflect.
In some optional embodiments, in the ball-hinge three-way loading fatigue test device, the method further includes:
A bracket 12 connected to the support 1 and having a displacement restricting hole thereon; the radial loading rod 5 penetrates through the displacement limiting hole to limit the positions of the radial loading rod 5 and the radial loading driving mechanism thereof, as well as the positions of the deflection loading piece 6 and the deflection loading driving mechanism, so that the radial load of the spherical hinge 3 along the Z-axis direction and the deflection load around the Z-axis direction are ensured, and the accuracy of test results is ensured.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred.
Having thus described the technical aspects of the present application with reference to the preferred embodiments shown in the drawings, it should be understood by those skilled in the art that the scope of the present application is not limited to the specific embodiments, and those skilled in the art may make equivalent changes or substitutions to the related technical features without departing from the principle of the present application, and those changes or substitutions will fall within the scope of the present application.
Claims (8)
1. The utility model provides a ball pivot three-dimensional loading fatigue test device which characterized in that includes:
A support (1) having a support hole thereon;
The torsion loading shaft (2) penetrates through the supporting hole, one end of the torsion loading shaft is connected to a spherical hinge rod of the spherical hinge (3), and the other end of the torsion loading shaft is connected with the torsion loading driving mechanism; the torsion loading driving mechanism can drive the torsion loading shaft (2) to rotate so as to apply torsion load around the X axis to the spherical hinge (3);
the adapter bearing (4) is connected with the outer ring of the spherical hinge (3);
One end of the radial loading rod (5) is connected with the inner ring of the adapter bearing (4), and the other end of the radial loading rod is connected with the radial loading driving mechanism; the radial loading driving mechanism can apply a push-pull force to the adapter bearing (4) so as to apply a radial load to the spherical hinge (3) along the Z-axis direction;
The deflection loading piece (6) is connected with the outer ring of the transfer bearing (4) and is connected with the deflection loading driving mechanism; the deflection loading driving mechanism can drive the deflection loading piece (6) to deflect so as to apply a deflection load around a Z axis to the spherical hinge (3);
the deflection loading piece (6) is connected between the outer ring of the spherical hinge (3) and the outer ring of the adapter bearing (4);
the ball pivot three-way loading fatigue test device also comprises:
A bracket (12) connected to the support (1) and provided with a displacement restricting hole; the radial loading rod (5) is arranged through the displacement restricting hole.
2. The ball-and-socket three-way loading fatigue test device according to claim 1, wherein,
The torsion loading device comprises a plurality of support holes, and bearings are arranged between the support holes and the torsion loading shaft (2).
3. The ball-and-socket three-way loading fatigue test device according to claim 1, wherein,
The torsion loading shaft (2) penetrates through the spherical hinge rod;
the ball pivot three-way loading fatigue test device further comprises:
the torsion loading angle sensor (7) is connected to the support (1) and is connected with one end of the torsion loading shaft (2) opposite to the torsion loading driving mechanism.
4. The ball-and-socket three-way loading fatigue test device according to claim 1, wherein,
The torsion loading driving mechanism comprises:
One end of the torsion loading driving rocker arm (8) is connected with one end of the torsion loading shaft (2) opposite to the spherical hinge (3);
and the torsion loading driving actuator cylinder (9) is hinged with the other end of the torsion loading driving rocker arm (8) so as to drive the torsion loading shaft (2) to rotate through the torsion loading driving rocker arm (8).
5. The ball-and-socket three-way loading fatigue test device according to claim 1, wherein,
The radial loading drive mechanism includes:
And the radial loading driving actuator cylinder (10) is connected with one end of the radial loading rod (5) which is opposite to the transfer bearing (4) so as to be capable of applying push-pull force to the transfer bearing (4).
6. The ball-and-socket three-way loading fatigue test device according to claim 1, wherein,
The deflection loading driving mechanism comprises:
A deflection loading drive actuator (11) connected to the deflection loading slide (6) to be able to drive the deflection loading slide (6) to deflect.
7. The ball-and-socket three-way loading fatigue test device according to claim 6, wherein,
The deflection loading driving actuator cylinder (11) is provided with a deflection loading displacement sensor.
8. The ball-and-socket three-way loading fatigue test device according to claim 6, wherein,
The number of the deflection loading driving actuators (11) is two, and each deflection loading driving actuator (11) is correspondingly connected to one end of the deflection loading piece (6) so as to cooperatively drive the deflection loading piece (6) to deflect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111250272.3A CN113970434B (en) | 2021-10-26 | 2021-10-26 | Ball pivot three-dimensional loading fatigue test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250272.3A CN113970434B (en) | 2021-10-26 | 2021-10-26 | Ball pivot three-dimensional loading fatigue test device |
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| CN113970434A CN113970434A (en) | 2022-01-25 |
| CN113970434B true CN113970434B (en) | 2024-05-24 |
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| CN115436199B (en) * | 2022-08-08 | 2024-05-17 | 北京无线电测量研究所 | Fatigue test device for welded structure |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963440A (en) * | 2006-11-08 | 2007-05-16 | 株洲时代新材料科技股份有限公司 | Endurance test method and apparatus with rubber ball socket three-direction load |
| JP2011064508A (en) * | 2009-09-15 | 2011-03-31 | Fukuoka Univ | Fatigue tester |
| CN202149843U (en) * | 2011-07-27 | 2012-02-22 | 株洲时代新材料科技股份有限公司 | Rubber spherical hinge loading fatigue test device |
| CN205280336U (en) * | 2015-12-08 | 2016-06-01 | 济南瑞晟机械有限公司 | Servo ball pivot fatigue testing machine that turns to of electricity liquid |
| CN107179183A (en) * | 2016-03-09 | 2017-09-19 | 株洲时代新材料科技股份有限公司 | Ball pivot three-dimensional loading fatigue test device |
| CN109357869A (en) * | 2018-10-15 | 2019-02-19 | 西北工业大学 | Bearing rotation and radial load combined test device under hot environment |
| CN209513285U (en) * | 2019-04-01 | 2019-10-18 | 东风德纳车桥有限公司 | For testing the experimental rig of flexural pivot bushing deflection and torsional direction rigidity |
| CN111855203A (en) * | 2019-04-08 | 2020-10-30 | 杭州盾航轴承技术有限公司 | Steering bearing dynamic durability test device |
| JP2020204606A (en) * | 2019-06-12 | 2020-12-24 | 株式会社ジェイテクト | Testing device for rolling bearing, and testing method for rolling bearing |
| CN112554869A (en) * | 2021-02-25 | 2021-03-26 | 中国科学院地质与地球物理研究所 | Hinge support and test equipment |
-
2021
- 2021-10-26 CN CN202111250272.3A patent/CN113970434B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963440A (en) * | 2006-11-08 | 2007-05-16 | 株洲时代新材料科技股份有限公司 | Endurance test method and apparatus with rubber ball socket three-direction load |
| JP2011064508A (en) * | 2009-09-15 | 2011-03-31 | Fukuoka Univ | Fatigue tester |
| CN202149843U (en) * | 2011-07-27 | 2012-02-22 | 株洲时代新材料科技股份有限公司 | Rubber spherical hinge loading fatigue test device |
| CN205280336U (en) * | 2015-12-08 | 2016-06-01 | 济南瑞晟机械有限公司 | Servo ball pivot fatigue testing machine that turns to of electricity liquid |
| CN107179183A (en) * | 2016-03-09 | 2017-09-19 | 株洲时代新材料科技股份有限公司 | Ball pivot three-dimensional loading fatigue test device |
| CN109357869A (en) * | 2018-10-15 | 2019-02-19 | 西北工业大学 | Bearing rotation and radial load combined test device under hot environment |
| CN209513285U (en) * | 2019-04-01 | 2019-10-18 | 东风德纳车桥有限公司 | For testing the experimental rig of flexural pivot bushing deflection and torsional direction rigidity |
| CN111855203A (en) * | 2019-04-08 | 2020-10-30 | 杭州盾航轴承技术有限公司 | Steering bearing dynamic durability test device |
| JP2020204606A (en) * | 2019-06-12 | 2020-12-24 | 株式会社ジェイテクト | Testing device for rolling bearing, and testing method for rolling bearing |
| CN112554869A (en) * | 2021-02-25 | 2021-03-26 | 中国科学院地质与地球物理研究所 | Hinge support and test equipment |
Non-Patent Citations (2)
| Title |
|---|
| 橡胶球铰性能试验与分析;王叶青;王进;林达文;;湖南工业大学学报;20110715(第04期);41-44 * |
| 转向节疲劳寿命有限元分析和台架试验;张鹏 等;机床与液压;20210615;第49卷(第11期);127-131 * |
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