CN211085705U - Core loading mechanism for tire dynamic simulation test and test equipment thereof - Google Patents
Core loading mechanism for tire dynamic simulation test and test equipment thereof Download PDFInfo
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- CN211085705U CN211085705U CN201922396015.5U CN201922396015U CN211085705U CN 211085705 U CN211085705 U CN 211085705U CN 201922396015 U CN201922396015 U CN 201922396015U CN 211085705 U CN211085705 U CN 211085705U
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Abstract
The application belongs to the technical field of tire dynamic simulation test, concretely relates to tire dynamic simulation test core loading mechanism and test equipment thereof, tire dynamic simulation test core loading mechanism includes: the dynamic loading oil cylinder is used for connecting a piston rod with a tire so as to drive the tire to move, so that the tire is in contact with the rotating drum wheel, and dynamic load is applied to the tire; the piston rod of the position adjusting oil cylinder is connected with the cylinder body of the dynamic loading oil cylinder so as to drive the dynamic loading oil cylinder to move, thereby realizing the adjustment of the position of the dynamic loading oil cylinder; the tire dynamic simulation test apparatus includes: a wheel drum; the core loading mechanism for the tire dynamic simulation test is connected with a tire to drive the tire to move, so that the tire is in contact with a rotating drum wheel, and dynamic load is applied to the tire.
Description
Technical Field
The application belongs to the technical field of tire dynamic simulation tests, and particularly relates to a tire dynamic simulation test core loading mechanism and test equipment thereof.
Background
The tire dynamic simulation test is used for detecting the performance of an airplane under different working conditions such as take-off, landing and the like, in the tire dynamic simulation test, a core loading mechanism in the tire dynamic simulation test equipment drives a tire to move towards a rotating drum wheel, so that the tire is in contact with the drum wheel, and then dynamic load is applied to the tire.
When a tire dynamic simulation test is carried out, the position of the drum wheel is relatively fixed, and in order to adapt to tires of different sizes, the relative position of a core loading mechanism in the tire dynamic simulation test equipment needs to be adjusted.
At present, a core loading mechanism in tire dynamic simulation test equipment adopts a servo hydraulic cylinder, in order to compromise the demands of applying dynamic load to the tire and being convenient for position adjustment, the stroke of the servo hydraulic cylinder is usually lengthened, the stroke of the servo hydraulic cylinder is lengthened by the technical scheme, so that the natural frequency of the servo hydraulic cylinder is lower, the performance of the generated dynamic load is poorer, and the control precision of dynamic load loading to the tire is lower.
The present application is made in view of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The application aims to provide a core loading mechanism for a tire dynamic simulation test and a test device thereof, so as to overcome or alleviate the defects of at least one aspect of the prior art.
The technical scheme of the application is as follows:
one aspect provides a tire dynamic simulation test core loading mechanism, including:
the dynamic loading oil cylinder is used for connecting a piston rod with a tire so as to drive the tire to move, so that the tire is in contact with the rotating drum wheel, and dynamic load is applied to the tire;
and a piston rod of the position adjusting oil cylinder is connected with the cylinder body of the dynamic loading oil cylinder so as to drive the dynamic loading oil cylinder to move, thereby realizing the adjustment of the position of the dynamic loading oil cylinder.
According to at least one embodiment of the present application, the dynamic loading cylinder is a servo hydraulic cylinder;
the position adjusting oil cylinder is a servo hydraulic cylinder.
According to at least one embodiment of the present application, the dynamic loading cylinder is a double-out-rod symmetric cylinder.
According to at least one embodiment of the present application, further comprising:
and the bracket is connected with the cylinder body of the position adjusting oil cylinder so as to support the position adjusting oil cylinder.
According to at least one embodiment of the present application, further comprising:
hydraulic pressure locker has:
in the locking state, the hydraulic locker clasps the piston rod of the position adjusting oil cylinder so as to fix the piston rod of the position adjusting oil cylinder;
in the non-locking state, the hydraulic locker is separated from the piston rod of the position adjusting oil cylinder, and the piston rod of the position adjusting oil cylinder is loosened.
According to at least one embodiment of the present application, further comprising:
and a piston rod of the position adjusting oil cylinder is connected with a cylinder body of the dynamic loading oil cylinder through the first joint bearing.
According to at least one embodiment of the present application, further comprising:
the tire bracket is connected with a piston rod of the dynamic loading oil cylinder and is provided with a tire loading joint; the tire loading sub is configured to clamp a tire.
According to at least one embodiment of the present application, further comprising:
and the tire bracket is connected with a piston rod of the dynamic loading oil cylinder through a second joint bearing.
Another aspect provides a tire dynamic simulation testing apparatus, including:
a wheel drum;
any one of the core loading mechanisms for tire dynamic simulation test is used to connect with a tire, so as to drive the tire to move, make the tire contact with a rotating drum wheel, and apply dynamic load to the tire.
Drawings
FIG. 1 is a schematic structural diagram of a core loading mechanism for a tire dynamic simulation test provided in an embodiment of the present application;
FIG. 2 is a partial structural cross-sectional view of a tire dynamic simulation test core loading mechanism provided in an embodiment of the present application;
wherein:
1-dynamically loading an oil cylinder; 2-a tire; 3-a position adjusting oil cylinder; 4-a scaffold; 5-hydraulic locking device; 6-a first spherical plain bearing; 7-a tyre carrier; 8-second oscillating bearing.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
The present application is described in further detail below with reference to fig. 1-2.
One aspect provides a tire dynamic simulation test core loading mechanism, including:
a dynamic loading oil cylinder 1, the piston rod of which is used for connecting with a tire 2 so as to drive the tire 2 to move, so that the tire 2 is contacted with a rotating drum wheel, and dynamic load is applied to the tire 2;
and a piston rod of the position adjusting oil cylinder 3 is connected with the cylinder body of the dynamic loading oil cylinder 1 so as to drive the dynamic loading oil cylinder 1 to move, thereby realizing the adjustment of the position of the dynamic loading oil cylinder 1.
For the core loading mechanism for the tire dynamic simulation test disclosed in the above embodiment, as can be understood by those skilled in the art, the core loading mechanism includes a dynamic loading cylinder 1 and a position adjusting cylinder 3, wherein the dynamic loading cylinder 1 is used for applying a dynamic load to the tire 2, and the position adjusting cylinder 3 is used for adjusting the position of the dynamic loading cylinder 1, and the position adjustment refers to adjustment of the overall spatial position of the dynamic loading cylinder 1 to change the relative distance between the dynamic loading cylinder 1 and the drum, so as to adapt to the sizes of tires 2 with different sizes, and can conveniently perform tire dynamic simulation tests on tires 2 with various sizes.
For the core loading mechanism for the tire dynamic simulation test disclosed in the above embodiment, it can be further understood by those skilled in the art that the dynamic loading cylinder 1 and the position adjusting cylinder 3 are combined to replace a servo hydraulic cylinder with a long stroke in the prior art, the position of the dynamic loading cylinder 1 can be conveniently adjusted by extending and retracting the piston rod of the position adjusting cylinder 3, the stroke of the dynamic loading cylinder 1 does not need to be lengthened, and the dynamic loading cylinder 1 can load high-frequency effective dynamic loads on tires 2 of various sizes.
In some optional embodiments, the dynamic loading cylinder 1 is a servo hydraulic cylinder;
the position adjusting oil cylinder 3 is a servo hydraulic cylinder.
In some alternative embodiments, the dynamic loading cylinder 1 is a double-out-rod symmetric cylinder.
In some optional embodiments, further comprising:
and a bracket 4 connected to the cylinder body of the position adjusting cylinder 3 to support the position adjusting cylinder 3.
In some optional embodiments, further comprising:
a hydraulic lock 5 having:
in the locking state, the hydraulic locker 5 tightly holds the piston rod of the position adjusting oil cylinder 3 so as to fix the piston rod of the position adjusting oil cylinder 3;
in the unlocked state, the hydraulic locker 5 is separated from the piston rod of the position adjusting cylinder 3, and the piston rod of the position adjusting cylinder 3 is released.
With respect to the core loading mechanism for tire dynamic simulation test disclosed in the above embodiments, it will be understood by those skilled in the art that, when the hydraulic locker 5 is in the unlocked state, which is separated from the piston rod of the position adjusting oil cylinder 3, at the moment, the piston rod of the position adjusting oil cylinder 3 can freely stretch and retract so as to adjust the position of the dynamic loading oil cylinder 1, after the position of the dynamic loading oil cylinder 1 is adjusted in place, the hydraulic locker 5 is set in a locking state to hold the piston rod of the position adjusting oil cylinder 3 tightly, so that the piston rod of the position adjusting oil cylinder 3 is effectively fixed, the piston rod of the position adjusting oil cylinder 3 can be prevented from shaking, and then the piston rod of the position adjusting oil cylinder 3 can be guaranteed to have good rigidity support for the dynamic loading oil cylinder 1, so that the dynamic loading oil cylinder 1 can be guaranteed to effectively apply high-frequency dynamic load to the tire 2.
In some optional embodiments, further comprising:
the piston rod of the position adjusting oil cylinder 3 is connected with the cylinder body of the dynamic loading oil cylinder 1 through the first joint bearing 6, so that the lateral force borne by the dynamic loading oil cylinder 1 can be reduced, and the influence of the lateral force on the dynamic loading oil cylinder 1 is reduced.
In some optional embodiments, further comprising:
the tire bracket 7 is connected with a piston rod of the dynamic loading oil cylinder 1 and is provided with a tire loading joint; the tire loading sub is configured to grip the tire 2.
In some optional embodiments, further comprising:
the second joint bearing 8 is connected with the piston rod of the dynamic loading oil cylinder 1 through the second joint bearing 8, so that the lateral force borne by the dynamic loading oil cylinder 1 can be reduced, and the influence of the lateral force on the dynamic loading oil cylinder 1 is reduced.
Another aspect provides a tire dynamic simulation testing apparatus, including:
a wheel drum;
any one of the above core loading mechanisms for tire dynamic simulation test is used to connect with the tire 2, so as to drive the tire 2 to move, make the tire 2 contact with the rotating drum, and apply dynamic load to the tire 2.
For the tire dynamic simulation test device disclosed in the above embodiment, as can be understood by those skilled in the art, when performing a tire dynamic simulation test, the hydraulic locker 5 may be set in a non-locking state, the piston rod of the position adjusting cylinder 3 is released, the spatial position of the dynamic loading cylinder 1 is adjusted by the extension and retraction of the piston rod of the position adjusting cylinder 3 according to the size of the tire 2, after the spatial position of the dynamic loading cylinder 1 is adjusted to a proper position, the hydraulic locker 5 is set in the non-locking state, the piston rod of the position adjusting cylinder 3 is fixed to provide effective support for the dynamic loading cylinder 1, the dynamic loading cylinder 1 drives the tire 2 to move, so that the tire 2 contacts with a rotating drum, and no dynamic load is applied to the tire 2.
So far, the technical solutions of the present application have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present application is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the present application, and the technical scheme after the changes or substitutions will fall into the protection scope of the present application.
Claims (9)
1. The utility model provides a tire dynamic simulation test core loading mechanism which characterized in that includes:
the dynamic loading oil cylinder (1) is used for connecting a piston rod with the tire (2) so as to drive the tire (2) to move, enable the tire (2) to be in contact with a rotating drum wheel and apply dynamic load to the tire (2);
and a piston rod of the position adjusting oil cylinder (3) is connected with the cylinder body of the dynamic loading oil cylinder (1) so as to drive the dynamic loading oil cylinder (1) to move, thereby realizing the adjustment of the position of the dynamic loading oil cylinder (1).
2. The tire dynamic simulation test core loading mechanism of claim 1,
the dynamic loading oil cylinder (1) is a servo hydraulic cylinder;
the position adjusting oil cylinder (3) is a servo hydraulic cylinder.
3. The tire dynamic simulation test core loading mechanism of claim 2,
the dynamic loading oil cylinder (1) is a double-rod symmetrical oil cylinder.
4. The tire dynamic simulation test core loading mechanism of claim 1,
further comprising:
and the support (4) is connected with the cylinder body of the position adjusting oil cylinder (3) to support the position adjusting oil cylinder (3).
5. The tire dynamic simulation test core loading mechanism of claim 1,
further comprising:
a hydraulic lock device (5) is provided with:
in a locking state, the hydraulic locker (5) tightly holds the piston rod of the position adjusting oil cylinder (3) so as to fix the piston rod of the position adjusting oil cylinder (3);
and in a non-locking state, the hydraulic locker (5) is separated from the piston rod of the position adjusting oil cylinder (3), and the piston rod of the position adjusting oil cylinder (3) is loosened.
6. The tire dynamic simulation test core loading mechanism of claim 1,
further comprising:
and a piston rod of the position adjusting oil cylinder (3) is connected with a cylinder body of the dynamic loading oil cylinder (1) through the first joint bearing (6).
7. The tire dynamic simulation test core loading mechanism of claim 1,
further comprising:
the tire bracket (7) is connected with a piston rod of the dynamic loading oil cylinder (1) and is provided with a tire loading joint; the tyre loading sub is used for clamping the tyre (2).
8. The tire dynamic simulation test core loading mechanism of claim 7,
further comprising:
and the tire bracket (7) is connected with a piston rod of the dynamic loading oil cylinder (1) through the second joint bearing (8).
9. A tire dynamic simulation test apparatus, comprising:
a wheel drum;
the core loading mechanism for tire dynamic simulation test as claimed in any one of claims 1 to 8, for connecting with a tire (2) so as to be able to drive the tire (2) to move, bring the tire (2) into contact with a rotating drum, and apply a dynamic load to the tire (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922396015.5U CN211085705U (en) | 2019-12-27 | 2019-12-27 | Core loading mechanism for tire dynamic simulation test and test equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922396015.5U CN211085705U (en) | 2019-12-27 | 2019-12-27 | Core loading mechanism for tire dynamic simulation test and test equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211085705U true CN211085705U (en) | 2020-07-24 |
Family
ID=71626205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922396015.5U Active CN211085705U (en) | 2019-12-27 | 2019-12-27 | Core loading mechanism for tire dynamic simulation test and test equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211085705U (en) |
-
2019
- 2019-12-27 CN CN201922396015.5U patent/CN211085705U/en active Active
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