Crushing testing device
By designing a crush test device and applying X-direction force to test the body die castings, the problem of the lack of part-level testing equipment for integrated die castings in new energy vehicles is solved, ensuring the quality of parts, reducing production costs and quality risks, and improving safety .
Patent Information
- Application Number
- CN202420980055.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-07
AI Technical Summary
During the production and manufacturing process of existing vehicles, especially the integrated die castings of new energy vehicles, due to the high integration and lack of corresponding part-level testing equipment, the quality of parts cannot be guaranteed, resulting in the scrapping of parts during mass production, increasing production costs and reducing Production efficiency and quality risks affecting vehicle and personnel safety.
A crush test device is designed, including a mounting platform, a restraint component and a loading component. By applying an X-direction force, the body die casting is tested to ensure the amount of force it can bear in the X-direction force and ensure the quality of the parts. Reduce production costs and quality risks.
Through the crushing test device, the quality of the vehicle body die casting can be effectively guaranteed, quality problems during mass production can be avoided, production costs can be reduced, production efficiency can be improved, and the safety of vehicles and personnel can be ensured.
Smart Images
Figure CN222318471U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle manufacturing, in particular to a crush testing device. Background Art
[0002] With the development of the national economy and the continuous improvement of living standards, vehicles are becoming more and more important in life and travel, and the safety performance of vehicles also needs to be considered in production and manufacturing. Existing vehicles mostly use integrated die-casting technology in the production and manufacturing process. Integrated die-casting technology can simplify multiple parts of the car body into one part. With the application and popularization of integrated die-casting technology in new energy vehicles, integrated die-casting technology has become a key capability for vehicle manufacturers to improve mass production capabilities. The safety performance and maintenance economy of integrated die-casting parts have always been the focus of car manufacturers and the market.
[0003] Existing test systems for vehicle body performance verification are mostly based on the perspective of the whole vehicle, that is, DV verification and regulatory testing are performed before the vehicle goes into mass production, and the whole vehicle and assembly are not tested separately during mass production. In order to ensure the safety of vehicles and personnel, new models equipped with integrated die-castings need to undergo performance tests such as front collision, rear collision, durability, and misuse conditions before mass production. They can only be put on the market after meeting the requirements. The above tests are all performed on the whole vehicle, but for integrated die-castings such as the front cabin assembly and the rear floor assembly, due to their high degree of integration and large parts, there is no corresponding part-level testing equipment, resulting in the inability to guarantee the quality of the parts. During mass production, quality problems with parts will lead to the scrapping of a large number of parts, increasing production costs and reducing production efficiency. In addition, quality risks in parts will make the safety of vehicles and personnel impossible to guarantee, and there is room for improvement. Utility Model Content
[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a crush test device, which can ensure the quality of body die castings, reduce production costs, improve production efficiency, reduce quality risks, and ensure the safety of vehicles and personnel.
[0005] According to the crush test device of the embodiment of the utility model, the crush test device is suitable for vehicle and personnel safety, and the crush test device includes: a mounting platform, the mounting platform is used to support and place the vehicle body die-casting; a constraint assembly, the constraint assembly is installed on the mounting platform, and the constraint assembly is at least used to limit the vehicle body die-casting along the X direction; a loading assembly, the loading assembly includes a loading member movable along the X direction, the loading member is suitable for being distributed opposite to the longitudinal beam portion of the vehicle body die-casting along the X direction, and is used to apply an X-direction force to the longitudinal beam portion.
[0006] According to the crush testing device of the embodiment of the utility model, an X-direction force can be applied to the vehicle body die-casting, and then the magnitude of the force that the vehicle body die-casting can withstand in the X-direction can be tested, so as to ensure the quality of the vehicle body die-casting, avoid quality problems of the vehicle body die-casting during mass production, and cause a large number of parts to be scrapped, which can reduce production costs, improve production efficiency, reduce quality risks, ensure the safety of vehicles and personnel, and have better use effects and a wider range of applications.
[0007] According to the crushing test device of some embodiments of the present invention, the constraint assembly includes a first constraint member, the first constraint member and the loading assembly are suitable for being arranged at both ends of the longitudinal beam portion along the X direction, respectively, and the first constraint member is used to limit the vehicle body die casting along the X direction.
[0008] According to the crushing test device of some embodiments of the present invention, two first restraints are provided, and the two first restraints are distributed on the mounting platform at intervals along the Y direction, and the two first restraints are suitable for being respectively arranged at the ends of the two longitudinal beam parts of the vehicle body die casting.
[0009] According to the crushing test device of some embodiments of the present invention, the first restraint member includes a first connecting plate portion and a first limiting plate portion which are bent and connected to each other, the first connecting plate portion is fitted to and detachably connected to the mounting platform, and the first limiting plate portion is opposite to the end of the longitudinal beam portion.
[0010] According to the crushing test device of some embodiments of the present invention, the constraint assembly also includes a second constraint member, and the number of the second constraint members is two. The two second constraint members are distributed and spaced apart along the Y direction and are suitable for limiting and pressing against the two sides of the vehicle body die casting in the Y direction respectively.
[0011] According to the crushing test device of some embodiments of the present invention, the second restraint member includes a second connecting plate portion and a second limiting plate portion which are bent and connected to each other, the second connecting plate portion is fitted to and detachably connected to the mounting platform, and the second limiting plate portions of the two second restraint members are distributed opposite to each other along the Y direction and are suitable for respectively pressing against the A-pillar portion of the vehicle body die-casting.
[0012] According to the crushing test device of some embodiments of the present invention, the constraint assembly also includes a third constraint member and a fourth constraint member, the third constraint member is suitable for supporting the bottom of the vehicle body die-casting, and at least a part of the fourth constraint member is suitable for limiting and pressing against the upper part of the vehicle body die-casting.
[0013] According to the crushing test device of some embodiments of the utility model, the third restraint member is provided in two pieces, and the two third restraint members are suitable for being supported respectively under the two longitudinal beam parts of the vehicle body die casting;
[0014] And / or, the fourth restraint member is suitable for limiting and pressing against the upper part of the sub-frame portion of the vehicle body die-casting.
[0015] According to the crushing test device of some embodiments of the present invention, in the projection along the X direction, the projection of the fourth restraint member is located between the projections of the two third restraint members.
[0016] According to the crushing test device of some embodiments of the present utility model, the loading assembly further includes a driving member, the driving member is connected to the loading member and is used to drive the loading member to move along the X direction;
[0017] And / or, the driving member is configured as a cylinder, the cylinder is provided with a sensor, and the sensor is used for detecting the loading force applied by the cylinder.
[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0020] Figure 1 The structure of the crush test device according to the embodiment of the utility model is shown in FIG. Figure 1 ;
[0021] Figure 2 The structure of the crush test device according to the embodiment of the utility model is shown in FIG. Figure 2 ;
[0022] Figure 3 The structure of the crush test device according to the embodiment of the utility model is shown in FIG. Figure 3 .
[0023] Reference numerals:
[0024] Crushing test device 100, assembly platform 101, T-slot 102, connector 1021,
[0025] Body die casting 1, longitudinal beam part 11, A-pillar part 12, subframe part 13, mounting platform 2,
[0026] Constraint assembly 3, first constraint member 31, first connecting plate portion 311, first limiting plate portion 312, limiting column 313, gasket 314, reinforcing plate portion 315, second constraint member 32, second connecting plate portion 321, second limiting plate portion 322, third constraint member 33, fourth constraint member 34,
[0027] Loading assembly 4 , loading member 41 , driving member 42 , sensor 43 , housing 44 . DETAILED DESCRIPTION
[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0029] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0031] Unless otherwise specified, the front-to-back direction in the present application is the longitudinal direction of the vehicle, that is, the X direction; the left-right direction is the lateral direction of the vehicle, that is, the Y direction; and the up-down direction is the vertical direction of the vehicle, that is, the Z direction.
[0032] Reference below Figure 1-Figure 3 Description The crushing test device 100 according to the embodiment of the utility model can ensure the quality of the vehicle body die casting 1, reduce production costs, improve production efficiency, reduce quality risks, and ensure the safety of vehicles and personnel.
[0033] like Figure 1-Figure 3As shown, according to an embodiment of the present invention, a crush test device 100 is applicable to a vehicle body die casting 1 , and the crush test device 100 includes: a mounting platform 2 , a constraint assembly 3 and a loading assembly 4 .
[0034] The mounting platform 2 is used to support and place the vehicle body die-casting 1, the constraint assembly 3 is installed on the mounting platform 2, and the constraint assembly 3 is at least used to limit the vehicle body die-casting 1 along the X-direction, and the loading assembly 4 includes a loading member 41 movable along the X-direction, the loading member 41 is suitable for being distributed opposite to the longitudinal beam portion 11 of the vehicle body die-casting 1 along the X-direction, and is used to apply an X-direction force to the longitudinal beam portion 11.
[0035] Among them, the body die-casting 1 can be set as an integrated cast aluminum part, that is, an integrated die-casting process is adopted for the aluminum material. The integrated die-casting process is a new manufacturing technology that transforms the complex structure of multiple parts on the white body into only one part using a die-casting process. It can reduce the number of parts that need to be prepared in the production process, and then reduce the use of molds, etc., reduce production costs, and reduce production waste generated in the production process, improve material utilization, and also improve production efficiency and manufacturing precision. The use of an integrated die-casting process for aluminum materials can increase the lightweight of the body and improve vehicle performance.
[0036] Specifically, the crush testing device 100 can be used for the vehicle body die-casting 1, and the crush testing device 100 can be applicable to the vehicle body die-castings 1 in different parts of the vehicle body. The vehicle body die-casting 1 can be set as an integral aluminum casting of the front compartment of the vehicle body, and can also be set as an integral aluminum casting of the rear floor of the vehicle body, etc. In the present embodiment, the vehicle body die-casting 1 refers to the integral aluminum casting of the front compartment of the vehicle body, and the vehicle body die-casting 1 can be installed on the crush testing device 100, so that the crush testing device 100 can perform a crush test on the vehicle body die-casting 1 to ensure the quality of the vehicle body die-casting 1.
[0037] Further, the crush test device 100 is provided with a mounting platform 2, which is configured as a plate-like structure, and the mounting platform 2 can be configured as a rectangle, a circle, etc. according to actual use requirements. The vehicle body die-casting 1 can be installed and supported on the mounting platform 2, so that the vehicle body die-casting 1 is fixed relative to the mounting platform 2, and a constraint component 3 is also provided on the mounting platform 2, and the constraint component 3 can be fixedly connected to the mounting platform 2 through a connector 1021, etc. The constraint component 3 is configured to match the vehicle body die-casting 1, so that the constraint component 3 can at least limit the vehicle body die-casting 1 along the X direction, that is, the constraint component 3 can limit the vehicle body die-casting 1 along the X direction, and can also selectively limit the vehicle body die-casting 1 along the Y direction and the Z direction. In this embodiment, the constraint component 3 can limit the vehicle body die-casting 1 along the X direction, the Y direction and the Z direction, so as to ensure the reliability of the installation of the vehicle body die-casting 1 and the accuracy of the test.
[0038] At the same time, the crush test device 100 is also provided with a loading component 4, which is fixed at an installation position relative to the constraint component 3, and the loading component 4 is provided with a loading member 41, which is arranged to be movable along the X direction, and the loading member 41 is arranged to be opposite to the longitudinal beam portion 11 of the vehicle body die casting 1 along the X direction, that is, when the loading member 41 moves along the X direction, the loading member 41 can move toward or away from the longitudinal beam portion 11 of the vehicle body die casting 1, and the loading member 41 is provided with a contact surface, which can be arranged to be circular, rectangular, etc., and the contact surface is arranged to match the opposite position of the longitudinal beam portion 11 of the vehicle body die casting 1, so that after the loading member 41 moves along the X direction toward the longitudinal beam portion 11 of the vehicle body die casting 1 until it contacts, an X-direction force can be applied to the longitudinal beam portion 11 of the vehicle body die casting 1, and then the magnitude of the force that the vehicle body die casting 1 can withstand in the X direction can be tested, so as to determine whether the vehicle body die casting 1 meets the production requirements and ensure the quality of the vehicle body die casting 1.
[0039] According to the crushing test device 100 of the embodiment of the utility model, an X-direction force can be applied to the vehicle body die-casting 1, and then the magnitude of the force that the vehicle body die-casting 1 can withstand in the X-direction can be tested, so as to ensure the quality of the vehicle body die-casting 1, avoid quality problems of the vehicle body die-casting 1 during mass production, and cause a large number of parts to be scrapped, which can reduce production costs, improve production efficiency, reduce quality risks, ensure the safety of vehicles and personnel, and have better use effects and a wider range of applications.
[0040] In some embodiments, the constraint assembly 3 includes a first constraint member 31 , and the first constraint member 31 and the loading assembly 4 are adapted to be arranged at both ends of the longitudinal beam portion 11 along the X direction, respectively, and the first constraint member 31 is used to limit the body die casting 1 along the X direction.
[0041] Specifically, a constraint component 3 is installed on the installation platform 2, and the constraint component 3 can be fixedly connected to the installation platform 2 through a connecting member 1021, etc., and the constraint component 3 is provided with a first constraint member 31, such as Figure 1-Figure 3 As shown, the first restraint 31 can be fixedly connected to the mounting platform 2 through a connecting member 1021, and the connecting member 1021 can be set as a bolt, etc. The first restraint 31 is distributed opposite to the longitudinal beam portion 11 of the vehicle body die casting 1 along the X direction, and the loading member 41 is also distributed opposite to the longitudinal beam portion 11 of the vehicle body die casting 1 along the X direction, and the first restraint 31 and the loading member 41 are respectively arranged at the two ends of the longitudinal beam portion 11 of the vehicle body die casting 1, so that when the loading member 41 applies a force to the longitudinal beam portion 11 of the vehicle body die casting 1 along the X direction, the longitudinal beam portion 11 of the vehicle body die casting 1 can be pressed against the first restraint 31, so that the first restraint 31 can limit the vehicle body die casting 1 along the X direction, so as to ensure that the position of the vehicle body die casting 1 along the X direction remains unchanged during the test, thereby ensuring the accuracy of the test results.
[0042] In some embodiments, two first restraints 31 are provided, and the two first restraints 31 are spaced apart and distributed on the mounting platform 2 along the Y direction, and the two first restraints 31 are suitable for being respectively disposed at the ends of the two longitudinal beams 11 of the vehicle body die casting 1 .
[0043] Specifically, Figure 1-Figure 3 As shown, the body die casting 1 is arranged on the restraint assembly 3, the body die casting 1 is provided with a longitudinal beam portion 11, the longitudinal beam portion 11 of the body die casting 1 is extended along the X direction, and the longitudinal beam portion 11 of the body die casting 1 is provided in two, the two longitudinal beam portions 11 are spaced apart along the Y direction and symmetrically distributed on both sides of the body die casting 1, and at the same time, two first restraint members 31 are also provided, the two first restraint members 31 are both fixedly connected to the mounting platform 2 through the connecting member 1021, and the two first restraint members 31 are spaced apart along the Y direction, and the two first restraint members 31 are respectively connected to the two longitudinal beam portions 1 1 are directly opposite to each other along the X direction, that is, the two first restraining members 31 are suitable for being respectively arranged at the ends of the two longitudinal beams 11 of the vehicle body die casting 1, so that when the loading member 41 applies a force to the longitudinal beams 11 of the vehicle body die casting 1 along the X direction, the two longitudinal beams 11 of the vehicle body die casting 1 can be pressed against the two first restraining members 31 respectively, so that the two first restraining members 31 can respectively limit the two longitudinal beams 11 of the vehicle body die casting 1 along the X direction, so as to ensure that the positions of the two sides of the vehicle body die casting 1 along the X direction remain unchanged during the test, thereby ensuring the accuracy of the test results.
[0044] In some embodiments, the first restraint member 31 includes a first connecting plate portion 311 and a first limiting plate portion 312 that are bent and connected to each other. The first connecting plate portion 311 is fitted to and detachably connected to the mounting platform 2 , and the first limiting plate portion 312 is opposite to the end of the longitudinal beam portion 11 .
[0045] Specifically, the first restraint member 31 is fixedly installed on the mounting platform 2 through the connecting member 1021, and the first restraint member 31 is provided with a first connecting plate portion 311 and a first limiting plate portion 312, the first connecting plate portion 311 and the first limiting plate portion 312 are bent and connected, and the bending angle of the first connecting plate portion 311 and the first limiting plate portion 312 can be set to ninety degrees, the first connecting plate portion 311 is set to a plate-like structure, the first connecting plate portion 311 and the first limiting plate portion 312 can be fitted with the mounting platform 2, so that the first limiting plate portion 312 is set perpendicular to the mounting platform 2, the first connecting plate portion 311 is connected to the mounting platform 2 through the connecting member 1021, etc., so that the first restraint member 31 is detachable relative to the mounting platform 2, and then the position of the first restraint member 31 relative to the mounting platform 2 is adjustable, so that the crushing test device 100 can be applicable to different vehicle body die-castings 1, thereby improving the flexibility of use of the crushing test device 100.
[0046] Furthermore, the first limit plate portion 312 is arranged opposite to the end of the longitudinal beam portion 11, and the first limit plate portion 312 is arranged vertically to the mounting platform 2, such as Figure 2 As shown, a limiting column 313 is provided on one side of the first limiting plate portion 312 toward the longitudinal beam portion 11, the limiting column 313 is protruding toward the longitudinal beam portion 11, and a gasket 314 is provided at the end of the limiting column 313, the gasket 314 can contact the longitudinal beam portion 11, thereby increasing the contact area between the limiting column 313 and the longitudinal beam portion 11, and ensuring the reliability of the limitation. At the same time, a reinforcing plate portion 315 is provided between the first limiting plate portion 312 and the first connecting plate portion 311, and the reinforcing plate portion 315 is respectively provided perpendicular to the first limiting plate portion 312 and the first connecting plate portion 311. When the loader 41 applies a force to the longitudinal beam portion 11, the force can be transmitted along the limiting column 313 to the first limiting plate portion 312, and then to the reinforcing plate portion 315, which can disperse the effect of the force, and can improve the structural strength of the first restraint member 31, avoid deformation of the first restraint member 31, and extend the service life of the first restraint member 31.
[0047] In some embodiments, the restraint assembly 3 further includes two second restraint members 32 , which are spaced apart and distributed along the Y direction and are suitable for respectively limiting and pressing against two sides of the vehicle body die casting 1 in the Y direction.
[0048] Specifically, a restraint assembly 3 is installed on the installation platform 2, and the restraint assembly 3 can be fixedly connected to the installation platform 2 through a connecting member 1021, etc., and the restraint assembly 3 is provided with a second restraint member 32, such as Figure 1-Figure 3 As shown, the second restraint 32 can be fixedly connected to the mounting platform 2 through a connecting member 1021, and the connecting member 1021 can be set as a bolt, etc., and two second restraints 32 are set, and the two second restraints 32 are spaced apart along the Y direction and distributed on both sides of the vehicle body die-casting 1, and the two second restraints 32 can be respectively limited and pressed on both sides of the Y direction of the vehicle body die-casting 1, that is, the two second restraints 32 can limit the displacement of the vehicle body die-casting 1 along the Y direction, and the two second restraints 32 are arranged opposite to each other on both sides of the vehicle body die-casting 1. When the loader 41 applies a force along the X direction to the longitudinal beam portion 11, the two second restraints 32 can respectively apply a force along the Y direction to the vehicle body die-casting 1, thereby limiting the displacement of the vehicle body die-casting 1 along the Y direction, so that the force applied by the loader 41 along the X direction can act directly on the longitudinal beam portion 11, which can reduce the possibility of deformation of the vehicle body die-casting 1 in the Y direction and ensure the accuracy of the measurement result.
[0049] In some embodiments, the second restraint member 32 includes a second connecting plate portion 321 and a second limiting plate portion 322 that are bent and connected to each other. The second connecting plate portion 321 is fitted to and detachably connected to the mounting platform 2. The second limiting plate portions 322 of the two second restraint members 32 are distributed opposite each other along the Y direction and are suitable for respectively pressing against the A-pillar portion 12 of the vehicle body die-casting 1.
[0050] Specifically, the second restraint member 32 is fixedly installed on the mounting platform 2 through the connecting member 1021, and the second restraint member 32 is provided with a second connecting plate portion 321 and a second limiting plate portion 322, the second connecting plate portion 321 and the second limiting plate portion 322 are bent and connected, and the bending angle of the second connecting plate portion 321 and the second limiting plate portion 322 can be set to ninety degrees, the second connecting plate portion 321 is set to a plate-like structure, the second connecting plate portion 321 and the second limiting plate portion 322 can be fitted with the mounting platform 2, so that the second limiting plate portion 322 is set perpendicular to the mounting platform 2, the second connecting plate portion 321 is connected to the mounting platform 2 through the connecting member 1021, etc., so that the second restraint member 32 is detachable relative to the mounting platform 2, and then the position of the second restraint member 32 relative to the mounting platform 2 is adjustable, so that the crushing test device 100 can be applicable to different vehicle body die-castings 1, thereby improving the flexibility of use of the crushing test device 100.
[0051] Furthermore, two second restraints 32 are provided, and the two second restraints 32 are spaced apart and arranged opposite to each other along the Y direction and are suitable for limiting and pressing against the A-pillar portion 12 of the vehicle body die-casting 1 respectively. The vehicle body die-casting 1 is provided with an A-pillar portion 12, and the A-pillar portion 12 of the vehicle body die-casting 1 is provided with two. The two A-pillar portions 12 are spaced apart along the Y direction and symmetrically distributed on both sides of the vehicle body die-casting 1. The two second restraints 32 are respectively pressed against the two A-pillar portions 12, so that the force line of the second restraint 32 on one side of the vehicle body die-casting 1 on the vehicle body die-casting 1 coincides with the force line of the second restraint 32 on the other side on the vehicle body die-casting 1, thereby limiting the displacement of the vehicle body die-casting 1 along the Y direction, and avoiding the deformation of the vehicle body die-casting 1 along the Y direction, which leads to deviations in the measurement results, thereby ensuring the accuracy of the measurement results.
[0052] In some embodiments, the restraint assembly 3 further includes a third restraint member 33 and a fourth restraint member 34 , wherein the third restraint member 33 is adapted to be supported on the bottom of the vehicle body die casting 1 , and at least a portion of the fourth restraint member 34 is adapted to be limitedly pressed against the upper portion of the vehicle body die casting 1 .
[0053] Specifically, a constraint component 3 is installed on the installation platform 2, and the constraint component 3 can be fixedly connected to the installation platform 2 through a connecting member 1021, etc., and the constraint component 3 is provided with a third constraint member 33, such as Figure 1-Figure 3As shown, the third restraint member 33 can be fixedly connected to the mounting platform 2 via a connecting member 1021, and the connecting member 1021 can be set as a bolt, etc. The third restraint member 33 is set at the bottom of the vehicle body die-casting 1, and one side of the third restraint member 33 is fixedly connected to the mounting platform 2, and the other side is fixedly connected to the bottom of the vehicle body die-casting 1, thereby limiting the displacement of the vehicle body die-casting 1 along the Z direction, so that the force applied by the loader 41 along the X direction can act directly on the longitudinal beam portion 11, which can reduce the possibility of deformation of the vehicle body die-casting 1 in the Z direction and ensure the accuracy of the measurement result.
[0054] Furthermore, the constraint assembly 3 is also provided with a fourth constraint member 34, such as Figure 1-Figure 3 As shown, the fourth restraint member 34 can be fixedly connected to the mounting platform 2 via a connecting member 1021, and the connecting member 1021 can be set as a bolt, etc. The fourth restraint member 34 is extended along the Y direction, and at least a portion of the fourth restraint member 34 is suitable for limiting and pressing against the upper part of the vehicle body die-casting 1, that is, a portion of the vehicle body die-casting 1 can be set between the fourth restraint member 34 and the mounting platform 2, so that the fourth restraint member 34 can limit the displacement of the vehicle body die-casting 1 along the X direction and the Z direction, so that the force applied by the loader 41 along the X direction can act directly on the longitudinal beam portion 11, thereby ensuring the accuracy of the measurement result.
[0055] In some embodiments, two third restraints 33 are provided, and the two third restraints 33 are suitable for being supported respectively below the two longitudinal beam portions 11 of the vehicle body die casting 1; and / or, the fourth restraint 34 is suitable for being limitedly pressed above the sub-frame portion 13 of the vehicle body die casting 1.
[0056] Specifically, two third restraints 33 are provided, and the two third restraints 33 are spaced apart and distributed opposite to each other along the Y direction and are suitable for being respectively supported at the bottom of the two longitudinal beams 11 of the vehicle body die casting 1. The vehicle body die casting 1 is provided with a longitudinal beam 11. The longitudinal beam 11 of the vehicle body die casting 1 is provided with two longitudinal beams, and the two longitudinal beams 11 are spaced apart along the Y direction and symmetrically distributed on both sides of the vehicle body die casting 1. The two third restraints 33 are respectively supported at the bottom of the two longitudinal beams 11 and are fixedly connected to the bottom of the longitudinal beams 11, so that the two third restraints 33 can respectively limit the displacement of the two longitudinal beams 11 along the Z direction, and can avoid the deformation of the vehicle body die casting 1 along the Z direction causing deviations in the measurement results, thereby ensuring the accuracy of the measurement results.
[0057] At the same time, the third restraint member 33 is connected to the mounting platform 2 through the connecting member 1021, etc., so that the third restraint member 33 is detachable relative to the mounting platform 2, and the position of the third restraint member 33 relative to the mounting platform 2 is adjustable, so that the crush test device 100 can be applied to different vehicle body die-castings 1, thereby improving the flexibility of use of the crush test device 100.
[0058] Furthermore, the vehicle body die casting 1 is provided with a sub-frame portion 13, the sub-frame portion 13 is extended along the Y direction and connected between the two longitudinal beam portions 11, the fourth restraint member 34 is extended along the Y direction, and the fourth restraint member 34 is suitable for limiting and pressing above the sub-frame portion 13 of the vehicle body die casting 1, that is, part of the sub-frame portion 13 can be arranged between the fourth restraint member 34 and the mounting platform 2, so that the fourth restraint member 34 can limit the displacement of the sub-frame portion 13 along the X direction and the Z direction, so that the force applied by the loader 41 along the X direction can act directly on the longitudinal beam portion 11, thereby ensuring the accuracy of the measurement result.
[0059] At the same time, the fourth restraint member 34 is connected to the mounting platform 2 through the connecting member 1021, etc., so that the fourth restraint member 34 is detachable relative to the mounting platform 2, and the position of the fourth restraint member 34 relative to the mounting platform 2 is adjustable, so that the crush test device 100 can be applied to different vehicle body die-castings 1, thereby improving the flexibility of use of the crush test device 100.
[0060] In some embodiments, in the projection along the X direction, the projection of the fourth constraint member 34 is located between the projections of the two third constraint members 33 .
[0061] Specifically, two third restraints 33 are provided, and in the projection along the X direction, the projection of the fourth restraint 34 is located between the projections of the two third restraints 33, the vehicle body die-casting 1 is provided with a sub-frame portion 13, the sub-frame portion 13 is connected between the two longitudinal beam portions 11, the two third restraints 33 are respectively supported below the two longitudinal beam portions 11, and the fourth restraint 34 is limited and pressed against the upper part of the sub-frame portion 13 of the vehicle body die-casting 1, so that the third restraint 33 can limit the displacement of the longitudinal beam portion 11 along the Z direction, the fourth restraint 34 can limit the displacement of the sub-frame portion 13 along the Z direction, and the projection of the fourth restraint 34 is set to be located between the projections of the two third restraints 33, so that the vehicle body die-casting 1 can be connected with restraints at various locations along the Y direction, thereby ensuring the reliability of the installation of the vehicle body die-casting 1.
[0062] In some embodiments, the loading assembly 4 also includes a driving member 42, which is connected to the loading member 41 and is used to drive the loading member 41 to move along the X direction; and / or, the driving member 42 is constructed as a cylinder, and the cylinder is equipped with a sensor 43, which is used to detect the loading force applied by the cylinder.
[0063] Specifically, the crush test device 100 is also provided with a loading component 4, and the crush test device 100 is also provided with an assembly platform 101. Both the loading component 4 and the mounting platform 2 can be installed on the assembly platform 101. The assembly platform 101 is provided with a plurality of T-slots 102 spaced apart. The loading component 4 is provided with a shell 44, and the shell 44 can be connected to the T-slot 102 through a connector 1021, so that the loading component 4 can be fixedly installed on the assembly platform 101, and the mounting platform 2 can also be connected to the T-slot 102 through the connector 1021, so that the mounting platform 2 can also be fixedly installed on the assembly platform 101, so that the positions of the loading component 4 and the mounting platform 2 are relatively fixed, and the installation is convenient, and they are connected through the connector 1021, so that the loading component 4 and the mounting platform 2 are both detachable relative to the assembly platform 101, so that the crush test device 100 can be applied to different vehicle body die-castings 1, thereby improving the flexibility of use of the crush test device 100.
[0064] Furthermore, the loading assembly 4 is provided with a driving member 42, which can be configured as a driving motor or a cylinder, etc. The driving member 42 is arranged in a shell 44, and the driving member 42 is connected to the loading member 41, and the driving member 42 can drive the loading member 41 to move along the X direction, so that the loading member 41 can apply a force to the body die-casting 1. In this embodiment, the driving member 42 is configured as a cylinder, and the cylinder is provided with a piston rod, and a sensor 43 is provided on the piston rod. The sensor 43 is fixedly connected to the piston rod through a connecting member 1021, and the connecting member 1021 can be configured as a bolt, etc. When the cylinder drives the loading member 41 to apply a force to the body die-casting 1, the sensor 43 can detect the magnitude of the force applied by the cylinder, and then the force limit that the body die-casting 1 can bear can be measured to ensure the quality of the body die-casting 1.
[0065] At the same time, two loading assemblies 4 can be provided, and the two loading assemblies 4 are distributed spaced apart along the Y direction, and the loading parts 41 of the two loading assemblies 4 can be distributed opposite to the two longitudinal beams 11 of the vehicle body die-casting 1 along the X direction, respectively, so that the two loading assemblies 4 can apply force to the two longitudinal beams 11 at the same time, thereby improving the test efficiency.
[0066] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0067] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A crush test device, characterized in that: The crush test device is suitable for vehicle body die castings, and the crush test device comprises: A mounting platform, the mounting platform is used to support and place the vehicle body die casting; A constraint assembly, the constraint assembly is mounted on the mounting platform, and the constraint assembly is at least used to limit the body die casting along the X direction; A loading assembly, wherein the loading assembly comprises a loading member movable along the X direction, wherein the loading member is adapted to be distributed opposite to the longitudinal beam portion of the vehicle body die casting along the X direction, and is used to apply an X-direction force to the longitudinal beam portion.
2. The crush test device according to claim 1, characterized in that: The restraint assembly includes a first restraint member, and the first restraint member and the loading assembly are suitable for being arranged at two ends of the longitudinal beam portion along the X direction, respectively, and the first restraint member is used to limit the vehicle body die casting along the X direction.
3. The crush test device according to claim 2, characterized in that: The number of the first restraining members is two, and the two first restraining members are spaced apart and distributed on the mounting platform along the Y direction, and the two first restraining members are suitable for being respectively arranged at the ends of the two longitudinal beam parts of the vehicle body die casting.
4. The crush test device according to claim 3, characterized in that: The first restraining member includes a first connecting plate portion and a first limiting plate portion which are connected by bending, the first connecting plate portion is fitted with the mounting platform and is detachably connected, and the first limiting plate portion is directly opposite to the end of the longitudinal beam portion.
5. The crush test device according to claim 1, characterized in that: The restraint assembly also includes two second restraint members, which are spaced apart and distributed along the Y direction and are suitable for respectively limiting and pressing against two sides of the vehicle body die casting in the Y direction.
6. The crush test device according to claim 5, characterized in that: The second restraint member includes a second connecting plate portion and a second limiting plate portion that are bent and connected to each other. The second connecting plate portion is fitted to and detachably connected to the mounting platform. The second limiting plate portions of the two second restraint members are distributed opposite to each other along the Y direction and are suitable for respectively pressing against the A-pillar portion of the vehicle body die-casting.
7. The crush test device according to claim 1, characterized in that: The restraint assembly further comprises a third restraint member and a fourth restraint member, wherein the third restraint member is adapted to be supported on the bottom of the vehicle body die casting, and at least a portion of the fourth restraint member is adapted to be limitedly pressed against the upper portion of the vehicle body die casting.
8. The crush test device according to claim 7, characterized in that: The third restraining members are provided in two pieces, and the two third restraining members are suitable for being supported respectively below the two longitudinal beam parts of the vehicle body die casting; And / or, the fourth restraint member is suitable for limiting and pressing against the upper part of the sub-frame portion of the vehicle body die-casting.
9. The crush test device according to claim 7, characterized in that: In the projection along the X direction, the projection of the fourth restraining member is located between the projections of the two third restraining members.
10. The crush test device according to claim 1, characterized in that: The loading assembly further includes a driving member, which is connected to the loading member and is used to drive the loading member to move along the X direction; And / or, the driving member is configured as a cylinder, the cylinder is provided with a sensor, and the sensor is used for detecting the loading force applied by the cylinder.