CN214426957U - Luggage rack strength endurance test device - Google Patents
Luggage rack strength endurance test device Download PDFInfo
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- CN214426957U CN214426957U CN202120323869.5U CN202120323869U CN214426957U CN 214426957 U CN214426957 U CN 214426957U CN 202120323869 U CN202120323869 U CN 202120323869U CN 214426957 U CN214426957 U CN 214426957U
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- luggage rack
- top cover
- roof
- load
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Abstract
The application relates to a luggage rack strength endurance test device, which comprises a luggage rack system; and a roof system mounted to the bottom of the roof rack system; the actuator systems are installed at different preset positions of the top cover system, and the actuator systems at the different preset positions are used for applying vibration loads to the top cover system respectively. After the arrangement, the actuator system applies vibration loads to the top cover system at different preset positions, and the structure bearing capacity of the luggage rack system and the impact resistance durability of the luggage rack system are simulated under the conditions of jolting, twisting, braking and the like of a vehicle, so that the development and verification work of luggage rack system products is completed quickly.
Description
Technical Field
The application relates to the technical field of vehicle luggage rack testing, in particular to a luggage rack strength endurance test device.
Background
The automobile roof luggage rack is a supporting frame or a part which is arranged at the top of an automobile body and used for fixing luggage. For the vehicle that reserves luggage rack position, whether firm need verify luggage rack's fastness, guarantee not to destroy roof structure in the use.
In the related art, there is no complete development standard for durability of the roof rack of the passenger car, especially for the verification of the strength durability system in the design stage of the roof rack. In order to avoid that a user damages a roof structure in the using process and affects product public praise, a more accurate strength durability test needs to be carried out on the roof rack, but the durability test device in the related art is difficult to accurately carry out virtual strength durability analysis on the roof rack.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the related art, the application provides a luggage rack strength endurance test device which can accurately perform virtual strength endurance analysis on a roof luggage rack.
The embodiment of the application provides a luggage rack intensity endurance test device, includes: a luggage rack system; and a roof system mounted to the bottom of the roof rack system; the actuator systems are installed at different preset positions of the top cover system, and the actuator systems at the different preset positions are used for applying vibration loads to the top cover system respectively.
Further, the different predetermined positions include positions that are opposite in different directions around the roof system.
Further, the actuator system includes a first actuator and a second actuator; the first actuator is used for applying a vibration load to the top cover system along a first direction; the second actuator is configured to apply a vibratory load to the roof system in a second direction.
Further, the first direction is configured to simulate a forward or reverse direction of a vehicle to which the roof rack system belongs; the second direction is configured to simulate a load bearing direction of a vehicle to which the roof rack system belongs.
Furthermore, the top cover system comprises two top cover side wall longitudinal beams which are horizontally arranged oppositely and fixedly connected, and the two ends of each top cover side wall longitudinal beam are respectively provided with the first actuator and the second actuator.
Furthermore, two ends of the two top cover side wall longitudinal beams which are oppositely arranged are respectively and fixedly provided with a connecting seat; the first actuator comprises a first load output end, the second actuator comprises a second load output end, the first load output end and the second load output end are connected to the connecting seat, and the connecting seat applies vibration load to the top cover side wall longitudinal beam.
Further, the device also comprises a bottom plate, and a stand column and a base which are fixedly arranged on the bottom plate; one end of the first actuator, which is far away from the first load output end, is connected to the upright post; an end of the second actuator remote from the second load output is connected to the base.
Further, the stand is equipped with the spout, the one end that first actuator kept away from the first load output end via the spout connect in the stand.
Further, the luggage rack system comprises an arched beam and a luggage rack frame fixed on the arched beam; the arched beam is fixedly connected to the top cover side wall longitudinal beam.
Further, the arched beam is located above the top cover side wall longitudinal beam and connected to the top cover side wall longitudinal beam through a fixing support.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the utility model provides a luggage rack intensity endurance test device includes: a luggage rack system; and a roof system mounted to the bottom of the roof rack system; the actuator systems are installed at different preset positions of the top cover system, and the actuator systems at the different preset positions are used for applying vibration loads to the top cover system respectively. After the arrangement, the actuator system applies vibration loads to the top cover system at different preset positions, and the stress condition of the luggage rack system under the conditions of bumpiness, torsion, braking and the like of a vehicle is simulated, so that the virtual strength durability analysis can be accurately carried out on the roof luggage rack.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
FIG. 1 is a schematic structural diagram of a strength and durability test device for a luggage rack in an embodiment of the present application;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a schematic diagram of an exploded structure of a strength and durability test device of a luggage rack in an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a luggage rack system of the luggage rack strength endurance testing apparatus according to the embodiment of the present application;
FIG. 5 is a schematic view of a baggage rack strength endurance testing apparatus in a first orientation in an embodiment of the present application;
fig. 6 is a schematic view of the strength and durability test apparatus of the luggage rack in the second direction according to the embodiment of the present application.
Description of reference numerals:
10-luggage rack strength endurance test device
100-luggage rack system
200-roof system
300-actuator system
310-first actuator
320-second actuator
210-roof side rail
110-bow beam
120-luggage rack frame
130-fixed support
400-connecting seat
500-base plate
600-upright post
700-base
601-chute
Detailed Description
Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the related art, there is no complete development standard for durability of the roof rack of the passenger car, especially for the verification of the strength durability system in the design stage of the roof rack. In order to avoid the problem that the product public praise is influenced due to the fact that the roof structure is damaged in the using process of a user, a more accurate strength durability test needs to be conducted on the roof rack, however, the durability test device in the related art is difficult to comprehensively and accurately conduct virtual strength durability analysis on the roof rack. The application provides a luggage rack intensity endurance test device, this luggage rack intensity endurance test device can simulate the car under road conditions such as jolt, twist reverse, braking, and the atress condition of luggage rack can carry out virtual intensity durability analysis to roof luggage rack accurately.
The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 6 together, a baggage holder strength endurance testing apparatus 10 according to an embodiment of the present application includes a baggage holder system 100; and a roof system 200 mounted to the bottom of the roof rack system 100; wherein the actuator systems 300 are installed at different preset positions of the roof system 200, and the actuator systems 300 at the different preset positions are used for respectively applying the vibration load to the roof system 200. After the arrangement, the actuator system 300 applies vibration loads to the roof system 200 at different preset positions, so that the stress condition of the roof rack system 100 under the road conditions of bumping, torsion, braking and the like of the vehicle can be simulated, and the virtual strength durability analysis can be accurately performed on the roof rack.
In this embodiment, the different preset positions include positions opposite to each other in different directions around the cap system 200, and preferably, the different preset positions may include four corners where the cap system 200 is distributed relatively. Since the connection points of the roof system 200 and the vehicle body are generally at four corners around the roof system 200, and the vibration received by the vehicle during traveling is transmitted to the roof system 200 through the connection points of the four corners, in this embodiment, by providing the actuator systems 300 at the four connection points of the roof system 200 and the vehicle body, when the luggage rack system 100 has a load with a preset weight, it can be simulated that the vehicle body transmits the vibration load to the roof system 200 in different directions at the four corners of the roof system 200, so as to perform the strength and durability analysis test of the roof system 200.
The component of the actuator system 300 that plays a role in transferring the vibration load is an actuator, which is also called a vibration exciter, and is used for performing a dynamic test, and is a force-applying device for the dynamic test. The actuator system 300 of the present embodiment includes a first actuator 310 and a second actuator 320; the first actuator 310 is disposed along the first direction X for applying a vibration load to the roof system 200 along the first direction X; the second actuator 320 is disposed along the second direction Z for applying a vibration load to the head system 200 along the second direction Z.
In one implementation, the first direction X is configured to simulate a forward or reverse direction of a vehicle to which the roof rack system 100 belongs, and may be a horizontal direction; the second direction Z is configured to simulate the load bearing direction of the vehicle to which the roof system 100 belongs, and may be a vertical direction, so that the structural load bearing capacity of the roof system can be simulated when the roof system has a load of a preset weight under the conditions of bumping, twisting, braking and the like of the vehicle in the driving process.
In some embodiments, the first direction X may also be referred to as a longitudinal direction, the second direction Z may also be referred to as a vertical direction, the first actuator 310 may be referred to as a longitudinal actuator, and the second actuator 320 may be referred to as a vertical actuator.
In order to accurately simulate the structural bearing capacity of the roof system 200 of the vehicle in a real scene, actuator systems are respectively arranged at four corners of the roof system 200, so that each group of actuator systems can apply vibration loads to the roof system 200 in different directions (for example, a first direction X and a second direction Z), and further, a load spectrum is extracted through multi-body decomposition, and the durability analysis of the virtual strength of the roof rack is carried out.
In this embodiment, the first actuator 310 and the second actuator 320 each apply a vibration load to the roof system 200 at their respective locations in their respective directions, thereby enabling a more comprehensive collection of test data for the structural load carrying capacity of the roof rack system 100.
Braking may occur during forward or backward movement of the vehicle, bumping may occur when the vehicle travels on a road with uneven surface, and the load in the roof rack system 100 may impact the roof system 200 of the vehicle body under the inertia. In this embodiment, when the actuator system 300 is disposed at four corners of the roof system 200, the first actuator 310 and the second actuator 320 are disposed at the front end, the rear end, the left end, and the right end of the roof system 100, and the front end and the rear end may be both ends along the first direction X, and the first actuator 310 is used to apply a vibration load to the roof system 200 in the first direction X, so as to simulate a stress condition of the roof system 200 during forward or backward movement of the vehicle when the roof system 100 has a preset weight load; the second actuator 320 can be used to apply a load in the second direction Z to the roof system 200 to simulate the stress of the roof system 200 when the roof system 100 has a predetermined weight, which may be the load of the roof system within the designed load-bearing range, such as the maximum load-bearing load.
During the test, the first actuators 310 and the second actuators 320 at the four corners of the roof system 200 are controlled to operate to simulate the situation of front and rear braking or bumping of the vehicle, so as to obtain the test data of the structural bearing capacity of the roof system 200 under the condition that the roof system 100 has the preset loading.
In this embodiment, the top cover system 200 includes two top cover side surrounding longitudinal beams 210 horizontally disposed opposite to each other and fixedly connected to each other, and a first actuator 310 and a second actuator 320 are disposed at two ends of each top cover side surrounding longitudinal beam 210. Two ends of the two top cover side wall longitudinal beams 210 are respectively and fixedly provided with a connecting seat 400; the first actuator 310 includes a first load output end; the second actuator 320 includes a second load output; the first load output end and the second load output end are connected to the connecting seat 400, and the vibration load is applied to the roof side surrounding longitudinal beam 210 through the connecting seat 400.
In one implementation, the connecting seat 400 may be fixedly connected to the top cover side frame member 210, for example, by welding, and the first load output end of the first actuator 310 and the second load output end of the second actuator 320 are connected to the connecting seat 400.
In one implementation, the connection holder 400 may include an adapter, for example, an adapter, through which the connection holder 400 is connected to the first actuator 310 and the second actuator 320, and in one implementation, the first actuator 310 and the second actuator 320 may be detachably connected to the adapter, for example, screwed.
The apparatus of this embodiment further includes a bottom plate 500, and a pillar 600 and a base 700 fixedly installed on the bottom plate 500, and the bottom plate 500 may be made of metal and fixedly disposed. The end of the first actuator 310 away from the first load output end is connected to the upright 600, the upright 600 is provided with a sliding groove 601, and the end of the first actuator 310 away from the first load output end is connected to the upright 600 via the sliding groove 601. The end of the second actuator 320 remote from the second load output end is attached to the base 700. The pillar 600 can fix and limit the first actuator 310, and the base 700 can fix and limit the second actuator 320, so that the first actuator 310 and the second actuator 320 can stably apply vibration loads to the roof system 200 through corresponding load output ends in different directions.
In this embodiment, the roof rack system 100 includes an arched beam 110 and a rack frame 120 fixed to the arched beam 110; the arched beam 110 is fixedly attached to the roof side rail 210. The arched beam 110 is located above the roof side rail 210 and may be connected to the roof side rail 210 by the fixing bracket 130.
The roof side rail 210 supports the roof side rail 120 via the arched beam 110, and the roof side rail 120 is used for load distribution. The luggage rack system 100 of this embodiment may include two oppositely arranged arched beams 110, two arched beams 110 are respectively opposite to two top cover side-wall longitudinal beams 210 from top to bottom, the front and back ends of each arched beam 110 are connected to the top cover side-wall longitudinal beams 210 through the fixing brackets 130, and then four connection points are formed between the top cover system 200 and the luggage rack system 100, the luggage rack system 100 applies the gravity of its stowage to the top cover system 200 through the four connection points, when applying the vibration load to the top cover system 200 through the actuator systems at the four corner positions of the top cover system 200, different driving states of the vehicle under different road conditions can be simulated, and then the structural bearing capacity of the top cover system 200 is analyzed through test data.
Other embodiments of the present application further include a mounting structure that can be implemented by combining technical features in the above embodiments.
The aspects of the present application have been described in detail hereinabove with reference to the accompanying drawings.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The utility model provides a luggage rack strength endurance test device which characterized in that includes:
a luggage rack system; and a roof system mounted to the bottom of the roof rack system;
the actuator systems are installed at different preset positions of the top cover system, and the actuator systems at the different preset positions are used for applying vibration loads to the top cover system respectively.
2. The luggage rack strength endurance testing apparatus of claim 1, wherein:
the different predetermined positions include positions opposing in different directions around the roof system.
3. The luggage rack strength endurance testing apparatus of claim 1, wherein:
the actuator system comprises a first actuator and a second actuator;
the first actuator is used for applying a vibration load to the top cover system along a first direction;
the second actuator is configured to apply a vibratory load to the roof system in a second direction.
4. The luggage rack strength endurance testing apparatus of claim 3, wherein:
the first direction is configured to simulate a forward or reverse direction of a vehicle to which the roof rack system belongs;
the second direction is configured to simulate a load bearing direction of a vehicle to which the roof rack system belongs.
5. The luggage rack strength endurance testing apparatus of claim 3, wherein:
the top cover system comprises two top cover side wall longitudinal beams which are horizontally arranged oppositely and fixedly connected, and the two ends of each top cover side wall longitudinal beam are respectively provided with the first actuator and the second actuator.
6. The luggage rack strength endurance testing apparatus of claim 5, wherein:
two ends of the two top cover side wall longitudinal beams which are oppositely arranged are respectively and fixedly provided with a connecting seat;
the first actuator includes a first load output and the second actuator includes a second load output;
the first load output end and the second load output end are connected to the connecting seat, and vibration load is applied to the top cover side wall longitudinal beam through the connecting seat.
7. The luggage rack strength endurance testing apparatus of claim 6, wherein:
the device also comprises a bottom plate, and a stand column and a base which are fixedly arranged on the bottom plate;
one end of the first actuator, which is far away from the first load output end, is connected to the upright post;
an end of the second actuator remote from the second load output is connected to the base.
8. The luggage rack strength endurance testing apparatus of claim 7, wherein:
the stand is equipped with the spout, first actuator is kept away from the one end via of first load output end the spout connect in the stand.
9. The baggage rack strength endurance test apparatus of any one of claims 5 to 8, wherein:
the luggage rack system comprises an arched beam and a luggage rack frame fixed on the arched beam; the arched beam is fixedly connected to the top cover side wall longitudinal beam.
10. The luggage rack strength endurance testing apparatus of claim 9, wherein:
the arched beam is located above the top cover side wall longitudinal beam and connected to the top cover side wall longitudinal beam through the fixing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120323869.5U CN214426957U (en) | 2021-02-04 | 2021-02-04 | Luggage rack strength endurance test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120323869.5U CN214426957U (en) | 2021-02-04 | 2021-02-04 | Luggage rack strength endurance test device |
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| CN214426957U true CN214426957U (en) | 2021-10-19 |
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| CN202120323869.5U Active CN214426957U (en) | 2021-02-04 | 2021-02-04 | Luggage rack strength endurance test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117664490A (en) * | 2024-02-01 | 2024-03-08 | 普拉那(天津)汽车部件有限公司 | Automobile engine hood endurance test device |
-
2021
- 2021-02-04 CN CN202120323869.5U patent/CN214426957U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117664490A (en) * | 2024-02-01 | 2024-03-08 | 普拉那(天津)汽车部件有限公司 | Automobile engine hood endurance test device |
| CN117664490B (en) * | 2024-02-01 | 2024-04-05 | 普拉那(天津)汽车部件有限公司 | Automobile engine hood endurance test device |
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