CN110243579B - Rubber bushing test system - Google Patents
Rubber bushing test system Download PDFInfo
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- CN110243579B CN110243579B CN201910481725.XA CN201910481725A CN110243579B CN 110243579 B CN110243579 B CN 110243579B CN 201910481725 A CN201910481725 A CN 201910481725A CN 110243579 B CN110243579 B CN 110243579B
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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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Abstract
The invention relates to the technical field of automobile part tests and discloses a rubber bushing test system which comprises a loading seat, a warping seat and a twisting seat; the loading seat is provided with a containing hole for press-fitting the rubber bushing, and is configured to apply radial load to the rubber bushing; the buckling seat comprises a connecting rod and a buckling base, wherein the connecting rod is used for penetrating into an inner hole of the rubber bushing to fix the rubber bushing on the buckling seat, the buckling seat can rotate around a direction perpendicular to the axis of the connecting rod, and the buckling seat is configured to apply a buckling load to the rubber bushing; the buckling seat is rotatably connected to a torsion seat, the torsion seat is rotatable about an axis of the connecting rod, and the torsion seat is configured to apply a torsion load to the rubber bushing. The rubber bushing test system realizes mechanical decoupling, can apply three dynamic loads of radial, torsion and warping to the rubber bushing, has the installation and connection mode of the rubber bushing consistent with that of a real vehicle, can truly simulate the actual working condition of the rubber bushing, and accurately test the rubber bushing.
Description
Technical Field
The invention relates to the technical field of automobile part tests, in particular to a rubber bushing test system.
Background
With the development of the automobile industry, people have higher and higher requirements on the aspects of energy conservation, environmental protection, comfort, reliability and the like of automobiles.
In the guide device of the suspension system (such as a swing arm, a rear axle and the like), the connection mode of a rubber bushing is adopted more and more at the hinge point connected with the vehicle body. Rubber bushings have become an indispensable important component of automobiles due to their advantages of good vibration isolation performance, elastic characteristics, damping characteristics, and the like.
At present, two types of test mechanisms are mainly used for the rubber bushing, one type is to perform radial or torsion or warping constant-amplitude test on the rubber bushing independently, but the loading form is single and is inconsistent with the actual stress state, and a correct failure mode cannot be restored; and secondly, a mode of twisting a rotating shaft and then radially loading the bushing by using a linear actuator at the middle part is adopted, but the mode still lacks a warping load, and the radial load and the twisting load can interfere when being simultaneously applied, so that the test control is difficult and the result is inaccurate.
Therefore, a rubber bushing test system is needed to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a rubber bushing test system which can accurately test a rubber bushing.
In order to achieve the purpose, the invention adopts the following technical scheme:
there is provided a rubber bushing testing system comprising:
the loading seat is provided with a containing hole for press-fitting a rubber bushing and is configured to apply radial load to the rubber bushing;
a buckling seat comprising a connecting rod for being inserted into the inner hole of the rubber bushing to fix the rubber bushing on the buckling seat, the buckling seat being rotatable about a direction perpendicular to an axis of the connecting rod, the buckling seat being configured to apply a buckling load to the rubber bushing;
a twist mount rotationally connected to the twist mount, the twist mount being rotatable about an axis of the connecting rod, the twist mount being configured to apply a torsional load to the rubber bushing.
Preferably, the device further comprises a gantry tailstock, and the twisting seat is rotatably connected to the gantry tailstock.
Preferably, the rubber bushing loading device further comprises a first driving element, an output end of the first driving element is connected to the loading seat, and the first driving element is configured to drive the loading seat to move so as to apply radial load to the rubber bushing.
Preferably, the rubber bushing further comprises a second driving member, an output end of the second driving member is connected to the buckling seat, and the second driving member is configured to drive the buckling seat to rotate so as to apply a buckling load to the rubber bushing.
Preferably, the left end and the right end of the warping seat are provided with first twisting shafts, and the first twisting shafts are rotatably connected with the twisting seat through first bearings.
Preferably, a first torsion bar is perpendicularly connected to one of the first torsion shafts, and one end of the first torsion bar, which is far away from the first torsion shaft, is hinged to the output end of the second driving member.
Preferably, the rubber bushing further comprises a third driving element, an output end of the third driving element is connected to the torsion seat, and the third driving element is configured to drive the torsion seat to rotate so as to apply a torsion load to the rubber bushing.
Preferably, the upper end and the lower end of the torsion seat are both provided with a second torsion shaft, and the second torsion shaft is rotatably connected with the gantry tailstock through a second bearing.
Preferably, one of the second torsion shafts is vertically connected with a second torsion rod, and one end of the second torsion rod, which is far away from the second torsion shaft, is hinged to the output end of the third driving member.
Preferably, the first driving member, the second driving member and the third driving member are all linear actuators.
The invention has the beneficial effects that: the loading seat can apply radial load to the rubber bushing; the twisting seat rotates to drive the warping seat to rotate along with the twisting seat so as to drive the connecting rod to rotate, and the twisting seat applies twisting load to the rubber bushing through the connecting rod; the warping seat rotates around the direction perpendicular to the connecting rod to drive the connecting rod to turn over, and the warping seat applies warping load to the rubber bushing through the connecting rod. The buckling load and the torsion load are applied through the connecting rod, so that the influence of the torsion load on the radial load and the buckling load is reduced, and the influence of the buckling load on the radial load and the torsion load is reduced. The rubber bushing test system realizes mechanical decoupling, can apply three dynamic loads of radial, torsion and warping to the rubber bushing, has the installation and connection mode of the rubber bushing consistent with that of a real vehicle, can truly simulate the actual working condition of the rubber bushing, and accurately test the rubber bushing. The rubber bushing test system also has the advantages of high equipment utilization rate, good control stability, convenience in installation and disassembly and the like.
Drawings
FIG. 1 is a schematic structural view from one perspective of a rubber bushing testing system provided by the present invention;
FIG. 2 is a schematic structural view from another perspective of a rubber bushing testing system provided by the present invention.
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic structural view of a loading seat and a buckling seat provided by the present invention;
FIG. 5 is a schematic structural view of a connecting rod provided by the present invention;
in the figure: 10. a rubber bushing;
1. a loading base; 11. an accommodation hole; 12. a first driving member;
2. a warping seat; 21. a first torsion shaft; 22. a second driving member; 23. a first torsion bar;
3. twisting the seat; 31. a first mounting plate; 32. a second torsion shaft; 33. a third driving member; 34. a second torsion bar;
4. a gantry tailstock; 41. a second mounting plate;
5. a connecting rod; 51. a stair cap.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1-3, the present embodiment discloses a rubber bushing test system, which includes a loading seat 1, a buckling seat 2, and a twisting seat 3.
The loading seat 1 is provided with a receiving hole 11, see fig. 4 in particular. The receiving hole 11 is used for press-fitting the rubber bush 10 so that the rubber bush 10 is located in the receiving hole 11, and the loading seat 1 is configured to be able to apply a radial load to the rubber bush 10. The warping seat comprises a connecting rod 5, and the connecting rod penetrates through an inner hole of the rubber bushing 10 to fix the rubber bushing 10 on the warping seat 2. As shown in fig. 5, one end of the connecting rod 5 is provided with a stepped cap 51, and the other end is provided with an external thread. The stepped cap 51 has a relatively large outer diameter at a portion near the end and is flat. Warpage seat 2 is a square frame, all is provided with the shoulder hole on two upper and lower frames, goes up the shoulder hole and the ladder cap 51 phase-match setting of frame at least, and ladder cap 51 part sets to the platykurtic, can avoid warpage seat 2 and connecting rod 5 to take place relative rotation. After the rubber bushing 10 is press-fitted into the accommodating hole 11, one end of the loading seat 1, which is provided with the accommodating hole 11, extends into the warping seat 2, then the connecting rod 5 penetrates through a stepped hole in the warping seat 2 and an inner hole of the rubber bushing 10, the other end of the connecting rod 5 is fixed through a nut, the nut can be a nut with a stepped shape, or a common nut, and preferably, the nut in the embodiment is a common nut. Both ends of the rubber bush 10 are pressed between the stepped cap 51 of the connecting rod 5 and the nut, so that a buckling load and a torsion load are subsequently applied to the rubber bush 10. The buckling seat 2 is rotatably connected to the torsion seat 3, the buckling seat 2 is rotatable about a direction perpendicular to the connecting rod 5, and the buckling seat 2 is configured to apply a buckling load to the rubber bushing 10. The torsion seat 3 is rotatable about the axis of the connecting rod 5, and the torsion seat 3 is configured to apply a torsion load to the rubber bushing 10.
The loading seat 1 can apply radial load to the rubber bushing 10; the twisting seat 3 rotates to drive the warping seat 2 to rotate along with the twisting seat 3, so as to drive the connecting rod 5 to rotate, and the twisting seat 3 applies twisting load to the rubber bushing 10 through the connecting rod 5; the warping seat 2 rotates around the direction perpendicular to the connecting rod 5 to drive the connecting rod 5 to overturn, and the warping seat 2 applies warping load to the rubber bushing 10 through the connecting rod 5. The buckling load and the torsion load are applied through the connecting rod 5, so that the influence of the torsion load on the radial load and the buckling load is reduced, and the influence of the buckling load on the radial load and the torsion load is reduced. The rubber bushing 10 test system realizes mechanical decoupling, can simultaneously apply three dynamic loads of radial load, torsion load and warping load to the rubber bushing 10, has the same installation and connection mode with a real vehicle, can truly simulate the actual working condition of the rubber bushing 10, and accurately test the rubber bushing 10. The rubber bushing 10 test system also has the advantages of high equipment utilization rate, good control stability, convenience in installation and disassembly and the like.
With continued reference to fig. 1-3, optionally, the rubber bushing testing system further comprises a first driving element 12, an output end of the first driving element 12 is rigidly connected to the loading seat 1, and the first driving element 12 is configured to drive the loading seat 1 to move so as to apply a radial load to the rubber bushing 10. The first driving member 12 in this embodiment is preferably a linear actuator, and in other embodiments it may be a pneumatic cylinder or an electric cylinder.
Optionally, the rubber bushing 10 testing system further comprises a second driving member 22, an output end of the second driving member 22 is connected to the buckling seat 2, and the second driving member 22 is configured to drive the buckling seat 2 to rotate so as to apply a buckling load to the rubber bushing 10. The second driving member 22 in this embodiment is preferably a linear actuator, and in other embodiments may be a pneumatic cylinder, an electric cylinder, or the like.
Specifically, the left and right sides of the torsion seat 3 are provided with first mounting plates 31, first bearing seats are mounted on the first mounting plates 31, the left and right ends of the warping seat 2 are provided with first torsion shafts 21, first bearings are sleeved on the first torsion shafts 21, and the two first bearings are respectively mounted in the two first bearing seats. One end of one of the first torsion bar 21, which is far away from the warping seat 2, is vertically connected with a first torsion bar 23, the first torsion bar 21 is rigidly connected with the first torsion bar 23, one end of the first torsion bar 23, which is far away from the first torsion bar 21, is hinged to an output end of the second driving member 22, and the first torsion bar 23 is hinged to an output end of the second driving member 22 in a universal manner.
Optionally, the rubber bushing test system further includes a gantry tailstock 4 and a third driving member 33, and the torsion seat 3 is rotatably connected to the gantry tailstock 4. The output end of the third driving member 33 is connected to the torsion block 3, and the third driving member 33 is configured to drive the torsion block 3 to rotate so as to apply a torsion load to the rubber bushing 10. The third driving member 33 in this embodiment is preferably a linear actuator, and in other embodiments, it may be a pneumatic cylinder or an electric cylinder.
Specifically, the gantry tailstock 4 is provided with two second mounting plates 41, the two second mounting plates 41 are arranged at intervals up and down, and the second mounting plates 41 are provided with second bearing seats. The upper and lower both ends of torsion seat 3 all are provided with second torsion shaft 32, and the cover is equipped with the second bearing on the second torsion shaft 32, and two second bearings are installed respectively in two second bearing framves, and as preferred, the second bearing in this embodiment is needle bearing, can also be ball bearing etc. in other embodiments. One end of one of the second torsion shaft 32 far from the torsion seat 3 is vertically connected with a second torsion rod 34, the second torsion shaft 32 is rigidly connected with the second torsion rod 34, one end of the second torsion rod 34 far from the second torsion shaft 32 is hinged at the output end of the third driving member 33, and the second torsion rod 34 is hinged with the output end of the third driving member 33 in a universal manner.
The working process of the rubber bushing test system is as follows:
the rubber bushing 10 is pressed in the accommodating hole 11 of the loading seat 1, then the connecting rod 5 is inserted into the warping seat 2, then the connecting rod 5 penetrates through the stepped hole in the warping seat 2 and the inner hole of the rubber bushing 10, the other end of the connecting rod 5 is fixed through a stepped nut, and two ends of the rubber bushing 10 are pressed between the stepped cap 51 of the connecting rod 5 and the nut.
The first driving member 12, the second driving member 22 and the third driving member 33 are operated simultaneously, three dynamic loads of radial direction, torsion and warping are simultaneously applied to the rubber bushing 10, and the rubber bushing 10 is subjected to a test.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (2)
1. A rubber bushing testing system, comprising:
the loading seat (1) is provided with a containing hole (11) for press-fitting a rubber bushing (10), and the loading seat (1) is configured to apply radial load to the rubber bushing (10);
a buckling seat (2) comprising a connecting rod (5) for being inserted into an inner hole of the rubber bushing (10) to fix the rubber bushing (10) on the buckling seat (2), wherein the buckling seat (2) can rotate around a direction perpendicular to an axis of the connecting rod (5), and the buckling seat (2) is configured to apply a buckling load to the rubber bushing (10);
a twisting block (3), the twisting block (2) being rotationally connected to the twisting block (3), the twisting block (3) being rotatable about an axis of the connecting rod (5), the twisting block (3) being configured to apply a torsional load to the rubber bushing (10);
the torsion seat is characterized by also comprising a gantry tailstock (4), wherein the torsion seat (3) is rotatably connected to the gantry tailstock (4);
the rubber bushing loading device further comprises a first driving piece (12), the output end of the first driving piece (12) is connected to the loading seat (1), and the first driving piece (12) is configured to drive the loading seat (1) to move so as to apply radial load to the rubber bushing (10);
the output end of the second driving piece (22) is connected to the buckling seat (2), and the second driving piece (22) is configured to drive the buckling seat (2) to rotate so as to apply buckling load to the rubber bushing (10);
the left end and the right end of the warping seat (2) are respectively provided with a first torsion shaft (21), and the first torsion shafts (21) are rotatably connected with the torsion seat (3) through first bearings;
a first torsion rod (23) is vertically connected with one first torsion shaft (21), and one end, far away from the first torsion shaft (21), of the first torsion rod (23) is hinged to the output end of the second driving piece (22);
the output end of the third driving piece (33) is connected to the torsion seat (3), and the third driving piece (33) is configured to drive the torsion seat (3) to rotate so as to apply a torsion load to the rubber bushing (10);
the upper end and the lower end of the torsion seat (3) are respectively provided with a second torsion shaft (32), and the second torsion shafts (32) are rotatably connected with the gantry tailstock (4) through second bearings;
one of the second torsion shafts (32) is vertically connected with a second torsion rod (34), and one end, far away from the second torsion shaft (32), of the second torsion rod (34) is hinged to the output end of the third driving piece (33).
2. A rubber bushing testing system according to claim 1, wherein the first drive member (12), the second drive member (22), and the third drive member (33) are all linear actuators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481725.XA CN110243579B (en) | 2019-06-04 | 2019-06-04 | Rubber bushing test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481725.XA CN110243579B (en) | 2019-06-04 | 2019-06-04 | Rubber bushing test system |
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| Publication Number | Publication Date |
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| CN110243579A CN110243579A (en) | 2019-09-17 |
| CN110243579B true CN110243579B (en) | 2021-04-30 |
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| CN201910481725.XA Active CN110243579B (en) | 2019-06-04 | 2019-06-04 | Rubber bushing test system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639974A (en) * | 2020-04-23 | 2021-11-12 | 徐州徐工液压件有限公司 | Test device for hydraulic cylinder bush |
| CN113447259B (en) * | 2021-09-01 | 2021-11-16 | 宁波索普橡塑有限公司 | Endurance test device for automobile rubber shock absorber |
| CN114577456B (en) * | 2022-03-10 | 2024-04-09 | 一汽解放汽车有限公司 | Rubber joint performance test system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101482447A (en) * | 2008-12-31 | 2009-07-15 | 奇瑞汽车股份有限公司 | Rubber bushing torsion test apparatus |
| CN103149021B (en) * | 2013-02-26 | 2015-03-11 | 柳州金鸿橡塑有限公司 | Three-dimensional comprehensive loading fatigue test device for rubber damping product |
| CN104964885B (en) * | 2015-07-03 | 2018-06-26 | 建新赵氏集团有限公司 | A kind of bushing class torsion test tooling |
| CN205981642U (en) * | 2016-07-30 | 2017-02-22 | 广州汽车集团股份有限公司 | Tired endurance test rack of rubber bush biax |
| CN207866636U (en) * | 2017-12-29 | 2018-09-14 | 上汽通用五菱汽车股份有限公司 | A kind of automobile rubber bush beat experimental rig |
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