Engineering vehicle target object for AEB collision test

Abstract

The utility model discloses an engineering vehicle target object for an AEB collision test, and relates to the technical field of AEB soft target objects, the target object comprises a head assembly, a tail assembly and a functional assembly, the head assembly and the tail assembly are connected to form a main body structure of the engineering vehicle target object, the interior of the head assembly and the interior of the tail assembly are each of a multi-layer #-shaped structure formed by a plurality of plate structures in a clamped connection mode, and the functional assembly is arranged outside the main body structure and used for assisting the main body structure in vehicle model changing. According to the technical scheme, the assembly of an anti-collision buffer vehicle, a greening comprehensive maintenance vehicle and an expressway breakdown van is completed through one set of parts, the test requirements in multiple specific scenes can be met, the interior of the engineering van target object is designed to be of a multi-layer #-shaped structure, the engineering van target object is more stable, the engineering van target object is not prone to being damaged in the test process, repeated utilization is achieved, and the cost is reduced. And a wave-absorbing material or a metal material for adjusting the RCS value is arranged outside the engineering vehicle target object, so that the accuracy of a collision test result can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of AEB software targets, and more specifically, to an engineering vehicle target for AEB collision tests. Background Art

[0002] With the development and progress of intelligent driving technology in China, in highway and urban road scenarios, there are more and more scenarios of high-speed operation and urban greening maintenance. At present, most of the targets used for AEB system tests are developed based on prototypes such as people and vehicles existing in real social road scenarios, and cannot well meet the test requirements in specific scenarios such as high-speed and urban operations. In order to improve various AEB collision test scenarios and simulate the working conditions of high-speed operation and urban greening maintenance operations, it is necessary to develop a target with the same characteristics as real high-speed operation vehicles and urban greening maintenance vehicles. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the deficiencies in the prior art and provide an engineering vehicle target that can quickly realize the transformation of different vehicle models. Through a set of components, the assembly and combination of three vehicle models, namely, an anti-collision buffer vehicle, a comprehensive greening maintenance vehicle, and a highway emergency repair vehicle, are completed, meeting the test requirements in specific scenarios such as high-speed and urban operations. While realizing the reuse of the engineering vehicle target, the stability of its overall structure is improved.

[0004] The technical solution of the utility model is: to provide an engineering vehicle target for AEB collision tests, which includes a head component, a tail component, and a functional component. After the head component and the tail component are connected, the main structure of the engineering vehicle target is formed, and the functional component is arranged outside the main structure to assist the main structure in transforming vehicle models;

[0005] The head component includes a first bottom vertical support plate, a first bottom horizontal support plate, a head vertical support plate, a head horizontal support plate, and a top support plate;

[0006] The first bottom vertical support plate is vertically arranged at the lower end of the head component, the first bottom horizontal support plate is horizontally fixed above the first bottom vertical support plate, the head vertical support plate is vertically fixed above the first bottom horizontal support plate, the head horizontal support plate is horizontally fixed above the head vertical support plate, and the top support plate is vertically fixed above the head horizontal support plate. The first bottom vertical support plate, the first bottom horizontal support plate, the head vertical support plate, the head horizontal support plate, and the top support plate are connected and fixed layer by layer to form a stable multi-layer cross-shaped structure.

[0007] Further, the engineering vehicle target further includes a vehicle skin, which is sleeved outside the main structure and the functional component, and an absorbing material for reducing the radar cross-section or a metal material for increasing the radar cross-section is provided on the vehicle skin.

[0008] Furthermore, the head assembly further includes a head plate, head side plates, a head upper cover plate, a head front cover plate, and a head tail plate;

[0009] The head plate is connected to the first bottom vertical support plate and the head horizontal support plate, and is located at the front end of the target object of the engineering vehicle. The head side plates are connected to the first bottom horizontal support plate and are located on both sides of the head of the target object of the engineering vehicle. The head upper cover plate is connected to the top support plate and is located at the top of the head of the target object of the engineering vehicle. The head front cover plate is connected to the top support plate and is located above the head plate. The head tail plate is connected to the top support plate and is located at the rear end of the head of the target object of the engineering vehicle.

[0010] Furthermore, the tail assembly includes a second bottom vertical support plate and a second bottom horizontal support plate;

[0011] Two sets of second bottom vertical support plates are provided in the tail assembly. One set of second bottom vertical support plates is vertically arranged at the lower end of the tail assembly, and the other set of second bottom vertical support plates is vertically arranged at the upper end of the tail assembly. The second bottom horizontal support plate is horizontally fixed between the two sets of second bottom vertical support plates. The two sets of second bottom vertical support plates and the second bottom horizontal support plate together form a stable multi-layer well-shaped structure; the first bottom vertical support plate is fixedly connected to the second bottom vertical support plate.

[0012] Furthermore, the tail assembly further includes a tail plate, tail side plates, and a tail upper cover plate;

[0013] The tail plate is connected to the second bottom vertical support plate and is located at the rear end of the target object of the engineering vehicle. The tail side plates are connected to the second bottom horizontal support plate and are located on both sides of the tail of the target object of the engineering vehicle. The tail upper cover plate is connected to the second bottom vertical support plate above the second bottom horizontal support plate and is located at the top of the tail of the target object of the engineering vehicle.

[0014] Furthermore, the target object of the engineering vehicle further includes a magnetic attraction mechanism;

[0015] The head side plates are connected to the first bottom horizontal support plate through the magnetic attraction mechanism, and the tail side plates are connected to the second bottom horizontal support plate through the magnetic attraction mechanism.

[0016] Furthermore, the magnetic attraction mechanism includes a first fixing plate, a first group of magnets, a second fixing plate, and a second group of magnets;

[0017] The first group of magnets is arranged on the first fixing plate, the second group of magnets is arranged on the second fixing plate, and the first group of magnets and the second group of magnets attract each other.

[0018] Further, the first fixing plates are arranged on both sides of the first bottom cross support plate, and the second fixing plates are arranged on one side of the head side plate close to the first bottom cross support plate, wherein the positions of the second fixing plates on the head side plate correspond to the positions of the first fixing plates on the first bottom cross support plate;

[0019] The first fixing plates are also arranged on both sides of the second bottom cross support plate, and the second fixing plates are also arranged on one side of the tail side plate close to the second bottom cross support plate, wherein the positions of the second fixing plates on the tail side plate correspond to the positions of the first fixing plates on the second bottom cross support plate.

[0020] Further, the functional components include a buffer pad and an anti-collision indicator light;

[0021] The buffer pad is connected to the tail plate and is located at the rear end of the tail assembly. The anti-collision indicator light is connected to the head and tail plate and is located at the rear end of the head assembly. The buffer pad and the anti-collision indicator light are used to restore the model features of the anti-collision buffer vehicle.

[0022] Further, the functional components also include a greening maintenance operation bottom plate, a greening maintenance operation column, and a greening maintenance operation cantilever;

[0023] The greening maintenance operation bottom plate is connected to the upper cover plate of the tail and is located at the upper end of the tail assembly. The greening maintenance operation column is fixed above the greening maintenance operation bottom plate. One end of the greening maintenance operation cantilever is connected to the top of the greening maintenance operation column, and the other end is connected to the upper cover plate of the head. The greening maintenance operation bottom plate, the greening maintenance operation column, and the greening maintenance operation cantilever are used to restore the model features of the comprehensive greening maintenance vehicle.

[0024] The beneficial effects of the present utility model are as follows:

[0025] First, the technical solution in the present utility model sets a head assembly, a tail assembly, and functional components. Among them, the interiors of the head assembly and the tail assembly are both multi-layer well-shaped structures formed by a plurality of plate structures through a snap connection method. This multi-layer well-shaped structure is more stable, and the plate structures are not easily displaced during use. Moreover, these plate structures are all made of EPE, and the individual plate structures are connected by magnetic attraction and Velcro. It can not only withstand a large-speed impact and is not easily damaged during the collision test, but also can be easily reassembled after the collision test to achieve repeated use; the functional components are used to restore the model features of different types of engineering vehicles. With a set of components, the assembly of three vehicle models, namely an anti-collision buffer vehicle, a comprehensive greening maintenance vehicle, and a highway emergency repair vehicle, can be completed, which can meet the test requirements in multiple specific scenarios, is applicable to the AEB collision test of various vehicle models, and enriches the test scenarios.

[0026] Second, in the preferred implementation mode of the present utility model, a car body is further arranged outside the engineering vehicle target. Absorbing materials and metal materials for adjusting the RCS value are arranged on the car body, and the RCS value can be adjusted according to the specific use scenario during the test, so that the RCS value of the engineering vehicle target is close to that of the real target engineering vehicle, restoring the real scenario, thereby improving the accuracy of the collision test result. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The above and / or additional aspects of the present utility model will become obvious and easy to understand in the description of the embodiments in conjunction with the following drawings, where:

[0028] Figure 1 is a schematic internal structure diagram of an engineering vehicle target for AEB collision test according to an embodiment of the present utility model;

[0029] Figure 2 is a schematic diagram of a highway emergency repair vehicle assembled according to an embodiment of the present utility model;

[0030] Figure 3 is a schematic diagram of a crash cushion vehicle assembled according to an embodiment of the present utility model;

[0031] Figure 4 is a schematic diagram of a comprehensive greening maintenance vehicle assembled according to an embodiment of the present utility model;

[0032] Figure 5 is a side cut-away view of a tail assembly according to an embodiment of the present utility model;

[0033] Figure 6 is a front view of an engineering vehicle target according to an embodiment of the present utility model;

[0034] Figure 7 is a side view of an engineering vehicle target according to an embodiment of the present utility model;

[0035] Figure 8 is a schematic structural diagram of a first bottom vertical support plate according to an embodiment of the present utility model;

[0036] Among them, 1 - head component, 10 - first bottom vertical support plate, 11 - first bottom horizontal support plate, 12 - head vertical support plate, 13 - head horizontal support plate, 14 - top support plate, 15 - head plate, 16 - head side plate, 17 - head upper cover plate, 18 - head front cover plate, 19 - head tail plate, 2 - tail component, 21 - second bottom vertical support plate, 22 - second bottom horizontal support plate, 23 - tail plate, 24 - tail side plate, 25 - tail upper cover plate, 3 - functional component, 31 - buffer pad, 32 - anti-collision indicator light, 33 - greening maintenance operation bottom plate, 34 - greening maintenance operation column, 35 - greening maintenance operation cantilever, 4 - magnetic attraction mechanism, 41 - first fixing plate, 42 - first group of magnets, 43 - second fixing plate, 44 - second group of magnets. Detailed implementation manners

[0037] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described in detail below with reference to the drawings and specific implementation manners. It should be noted that, without conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0038] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited by the specific embodiments disclosed below.

[0039] As Figures 1 to 8 shown, this embodiment provides an engineering vehicle target for AEB collision test. The device includes: a head component 1, a tail component 2 and a functional component 3. After the head component 1 and the tail component 2 are fixedly connected, the main structure of the engineering vehicle target is formed. The functional component 3 is arranged outside the main structure and is used to assist the main structure in changing the vehicle type, that is, to assist the main structure in restoring the model features of the target engineering vehicle, so that the appearance of the engineering vehicle target is consistent with the appearance of the real target engineering vehicle in the high-speed operation scenario, and the effectiveness of the AEB collision test is improved. In this embodiment, the real target engineering vehicles in the high-speed operation scenario include anti-collision buffer vehicles, greening comprehensive maintenance vehicles and highway emergency repair vehicles.

[0040] The head component 1 is used to restore the head model features of the target engineering vehicle, and includes a first bottom vertical support plate 10, a first bottom horizontal support plate 11, a head vertical support plate 12, a head horizontal support plate 13, and a top support plate 14. In this embodiment, the direction in which the head and tail of the engineering vehicle target extend is taken as the vertical direction, and the direction in which the left and right sides of the engineering vehicle target extend is taken as the horizontal direction.

[0041] The first bottom vertical support plate 10 is vertically arranged at the bottom end of the head of the construction vehicle target. The first bottom vertical support plate 10 is arranged below the head assembly 1. The first bottom horizontal support plate 11 is horizontally fixed above the first bottom vertical support plate 10. Among them, multiple first bottom horizontal support plates 11 and multiple first bottom vertical support plates 10 jointly form a grid structure, which can support the entire head assembly 1, so that other components in the head assembly 1 are not easily displaced downward during use, maintaining the stability of the overall structure.

[0042] Slots are provided on the first bottom vertical support plate 10, and slots are also provided on the first bottom horizontal support plate 11. The slots are used for the connection of two components. The first bottom vertical support plate 10 and the first bottom horizontal support plate 11 are connected and fixed through the corresponding slots.

[0043] Slots are provided on the head vertical support plate 12, and it is vertically fixed above the first bottom horizontal support plate 11 through the slots. Slots are provided on the head horizontal support plate 13, and it is horizontally fixed above the head vertical support plate 12 through the slots. Slots are provided on the top support plate 14, and it is vertically fixed above the head horizontal support plate 13 through the slots.

[0044] In this embodiment, when installing the head assembly 1, through the slot fixing method, multiple first bottom vertical support plates 10 and multiple first bottom horizontal support plates 11, multiple first bottom horizontal support plates 11 and multiple head vertical support plates 12, multiple head vertical support plates 12 and multiple head horizontal support plates 13, multiple head horizontal support plates 13 and multiple top support plates 14 are connected and fixed layer by layer to form a mutually connected multi-layer grid structure. This structure is more stable and is not easily scattered during the AEB collision test.

[0045] The head assembly 1 further includes a head plate 15, head side plates 16, a head upper cover plate 17, a head front cover plate 18 and a head tail plate 19. The construction vehicle target for the AEB collision test further includes a magnetic attraction mechanism 4.

[0046] The head plate 10 is arranged at the front end of the construction vehicle target. The head plate 10 is connected to the first bottom vertical support plate 10 and the head horizontal support plate 13 through Velcro; the head side plates 16 are arranged on both sides of the head of the construction vehicle target. The head side plates 16 are connected to the first bottom horizontal support plate 11 through the magnetic attraction mechanism 4; the head upper cover plate 17 is arranged at the top end of the head of the construction vehicle target. The head upper cover plate 17 is connected to the top support plate 14 through Velcro; the head front cover plate 18 is inclined and arranged above the head plate 10. The head front cover plate 18 is connected to the top support plate 14 through Velcro; the head tail plate 19 is arranged at the rear end of the head of the construction vehicle target. The head tail plate 19 is connected to the top support plate 14 through Velcro.

[0047] The tail assembly 2 is used to restore the tail model features of the target engineering vehicle, including a second bottom vertical support plate 21, a second bottom horizontal support plate 22, a tail plate 23, tail side plates 24, and a tail upper cover plate 25.

[0048] Two sets of second bottom vertical support plates 21 are provided in the tail assembly 2. One set of second bottom vertical support plates 21 is vertically arranged at the lower end of the tail assembly 2, that is, above the tail of the target of the engineering vehicle, and the other set of second bottom vertical support plates 21 is vertically arranged at the upper end of the tail assembly 2, that is, below the tail of the target of the engineering vehicle. The second bottom horizontal support plate 22 is horizontally fixed between the two sets of second bottom vertical support plates 21. Among them, the two sets of second bottom vertical support plates 21 and the second bottom horizontal support plate 22 together form a stable multi-layer well-shaped structure, and this well-shaped structure can support the entire tail assembly 2, so that other components in the tail assembly 2 are not easily displaced downward during use, maintaining the stability of the overall structure.

[0049] Slots are provided on the second bottom vertical support plate 21, and slots are also provided on the second bottom horizontal support plate 22. The second bottom vertical support plate 21 and the second bottom horizontal support plate 22 are connected and fixed through the corresponding slots. The first bottom vertical support plate 10 is fixedly connected to the second bottom vertical support plate 21.

[0050] In this embodiment, when installing the tail assembly 2, in a way of fixing through slots, multiple second bottom vertical support plates 21 and multiple second bottom horizontal support plates 22, and multiple second bottom horizontal support plates 22 and multiple second bottom vertical support plates 21 are connected and fixed layer by layer to form a mutually connected multi-layer well-shaped structure. Among them, second bottom vertical support plates 21 are provided above and below the second bottom horizontal support plate 22. The slots of the second bottom vertical support plate 21 arranged above in the tail assembly 2 are vertically downward. This multi-layer well-shaped structure is more stable and is not easily scattered during the AEB collision test.

[0051] The tail plate 23 is arranged at the rear end of the target of the engineering vehicle, and the tail plate 23 is connected to the second bottom vertical support plate 21 through a magic tape; the tail side plates 24 are arranged on both sides of the tail of the target of the engineering vehicle, and the tail side plates 24 are connected to the second bottom horizontal support plate 22 through a magnetic attraction mechanism 4; the tail upper cover plate 25 is arranged at the top of the tail of the target of the engineering vehicle, and the tail upper cover plate 25 is connected to the second bottom vertical support plate 21 above the second bottom horizontal support plate 22 through a magic tape.

[0052] As Figure 5 described, the magnetic attraction mechanism 4 includes a first fixing plate 41, a first group of magnets 42, a second fixing plate 43, and a second group of magnets 44.

[0053] The first fixing plate 41 is arranged on both sides of the first bottom horizontal support plate 11 and the second bottom horizontal support plate 22, and the first group of magnets 42 is arranged on the first fixing plate 41; the second fixing plate 43 is arranged on one side of the head side plate 16 close to the first bottom horizontal support plate 11, and on one side of the tail side plate 24 close to the second bottom horizontal support plate 22, and the second group of magnets 44 is arranged on the second fixing plate 43; wherein, the position of the second fixing plate 43 on the head side plate 16 corresponds to the position of the first fixing plate 41 on the first bottom horizontal support plate 11, the position of the second fixing plate 43 on the tail side plate 24 corresponds to the position of the first fixing plate 41 on the second bottom horizontal support plate 22, and the first group of magnets 42 and the second group of magnets 44 attract each other.

[0054] The functional component 3 includes a buffer pad 31, an anti-collision indicator light 32, a greening maintenance operation bottom plate 33, a greening maintenance operation column 34 and a greening maintenance operation cantilever 35.

[0055] The buffer pad 31 is arranged at one end of the tail of the engineering vehicle target, that is, the rear end of the tail component 2, and the buffer pad 31 is connected to the tail plate 23 through a magic tape; the anti-collision indicator light 32 is arranged at one end of the head of the engineering vehicle target, that is, the rear end of the head component 1, and the anti-collision indicator light 32 is connected to the head tail plate 19 through a magic tape. After the head component 1 and the tail component 2 are fixedly connected, the main structure of the engineering vehicle target is formed, and the buffer pad 31 and the anti-collision indicator light 32 are used to assist the main structure to restore the model features of the anti-collision buffer vehicle.

[0056] The greening maintenance operation bottom plate 33 is arranged at the upper end of the tail component 2, and it is connected to the upper tail cover plate 25 through a magic tape; the greening maintenance operation column 34 is fixed at the central position above the greening maintenance operation bottom plate 33 through a magic tape; one end of the greening maintenance operation cantilever 35 is connected to the top of the greening maintenance operation column 34, and the other end is connected to the central position above the upper head cover plate 17. The greening maintenance operation bottom plate 33, the greening maintenance operation column 34 and the greening maintenance operation cantilever 35 are used to assist the main structure to restore the model features of the comprehensive greening maintenance vehicle.

[0057] When the functional component 3 is not installed, the main structure of the engineering vehicle target is formed by fixedly connecting the head component 1 and the tail component 2, and it can restore the model features of the highway emergency repair vehicle.

[0058] In this embodiment, except for the magnetic attraction mechanism 4, other component mechanisms of the construction vehicle target are made of EPE material, which can withstand a large-speed impact and can be reassembled and reused after the impact test. If the active safety recognition fails during use and the construction vehicle target collides, the assembly method using magnetic attraction or Velcro bonding can buffer the impact force, making the construction vehicle target easier to recover after use, reducing damage, and realizing the reuse of the target.

[0059] The construction vehicle target for AEB collision test further includes a car body, which is sleeved outside the main body structure formed by the head component 1 and the tail component 2, and outside the functional component 3; in this embodiment, the surface of the car body can be printed with the pattern of the target construction vehicle to make its appearance visually close to the external features of the target construction vehicle.

[0060] Absorbing materials for reducing the radar cross section (RCS) or metallic materials for increasing the radar cross section are provided on the car body; in this embodiment, the car body can be pasted with glue, the absorbing material can be selected as absorbing sponge, and the metallic material can be selected as aluminum foil; during the test, according to specific usage requirements, the absorbing material or metallic material is set on the car body to reduce or increase the radar cross section of the construction vehicle target, so that its RCS value is close to the RCS value of the real target construction vehicle, ensuring that the construction vehicle target can replace the vehicle in the real scene during the test, restoring the real scene, and improving the accuracy of the collision test result.

[0061] In this embodiment, by performing different assembly combinations on the various component structures of the construction vehicle target, it is possible to complete the assembly of three vehicle models, namely, the anti-collision buffer vehicle, the greening comprehensive maintenance vehicle, and the highway emergency repair vehicle, using a set of parts, and complete different AEB collision tests. Before the collision test, the construction vehicle target is assembled, and the specific process is as follows:

[0062] Assembling the highway emergency repair vehicle: Fix two second bottom vertical support plates 21 on the test floor or running platform using Velcro, horizontally snap two second bottom horizontal support plates 22 onto the two second bottom vertical support plates 21, install the tail side plates 24 on both sides of the second bottom horizontal support plate 22 through the corresponding magnetic attraction mechanism 4, snap the two second bottom vertical support plates 21 onto the two second bottom horizontal support plates 22 to form a multi-layer well-shaped stable structure, and install the tail plate 23 and the tail upper cover plate 25 at the corresponding positions at the tail of the construction vehicle target through Velcro respectively.

[0063] Fix the end faces of the two second bottom vertical support plates 21 to the end faces of the two first bottom vertical support plates 10 respectively through Velcro. Horizontally snap the two first bottom horizontal support plates 11 onto the two first bottom vertical support plates 10. Vertically snap the two head vertical support plates 12 onto the two first bottom horizontal support plates 11. Horizontally snap the two head horizontal support plates 13 onto the two head vertical support plates 12. Vertically snap the two top support plates 14 onto the two head horizontal support plates 13 to form a multi-layer well-shaped stable structure. Install the head side plates 16 on both sides of the two first bottom horizontal support plates 11 through the corresponding magnetic attraction mechanisms 4. Install the head plate 15, the head upper cover plate 17, the head front cover plate 18, and the head tail plate 19 at the corresponding positions on the head of the engineering vehicle target through Velcro respectively to complete the assembly of the highway emergency repair vehicle.

[0064] After the assembly is completed, put on the outer skin and calibrate the RCS of the engineering vehicle target. Make its RCS value basically consistent with that of a real highway emergency repair vehicle by adding absorbent sponge or adding aluminum foil, and then proceed to the next collision test.

[0065] Assemble the anti-collision buffer vehicle: Install the buffer pad 31 and the anti-collision indicator light 32 on the basis of the highway emergency repair vehicle. Install the buffer pad 31 on the tail plate 23 through Velcro. Install the anti-collision indicator light 32 on the head tail plate 19 through Velcro to complete the assembly of the anti-collision buffer vehicle.

[0066] After the assembly is completed, put on the outer skin and calibrate the RCS of the engineering vehicle target. Make the RCS value basically consistent with that of a real anti-collision buffer vehicle by adding absorbent sponge or adding aluminum foil, and then proceed to the next collision test.

[0067] Assemble the green comprehensive maintenance vehicle: Install the green maintenance operation bottom plate 33, the green maintenance operation column 34, and the green maintenance operation cantilever 35 on the basis of the highway emergency repair vehicle. Install the green maintenance operation bottom plate 33 above the tail upper cover plate 25 through Velcro. Install the green maintenance operation column 34 at the central position above the green maintenance operation bottom plate 33 through Velcro. Connect one end of the green maintenance operation cantilever 35 to the green maintenance operation column 34 through Velcro and the other end to the head upper cover plate 17 through Velcro to complete the assembly of the green comprehensive maintenance vehicle.

[0068] After the assembly is completed, put on the outer skin and calibrate the RCS of the engineering vehicle target. Make the RCS value basically consistent with that of a real green comprehensive maintenance vehicle by adding absorbent sponge or adding aluminum foil, and then proceed to the next collision test.

[0069] In the present utility model, terms such as "installation", "connection", "attachment", "fixation", etc. shall be understood in a broad sense. For example, "connection" may be a fixed connection, a detachable connection, or an integral connection; "attachment" may be a direct attachment or an indirect attachment through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0070] The shapes of the various components in the drawings are schematic, and there is no exclusion of a certain difference from their actual shapes. The drawings are only used to illustrate the principle of the present utility model and are not intended to limit the present utility model.

[0071] Although the present utility model has been disclosed in detail with reference to the drawings, it should be understood that these descriptions are merely exemplary and are not used to limit the application of the present utility model. The protection scope of the present utility model is defined by the appended claims and may include various modifications, adaptations, and equivalent solutions made to the utility model without departing from the protection scope and spirit of the present utility model.

Claims

1. An engineering vehicle target for AEB collision test, characterized in that: The engineering vehicle target object comprises: a head component (1), a tail component (2) and a functional component (3); the head component (1) and the tail component (2) are connected to form a main structure of the engineering vehicle target object; the functional component (3) is arranged outside the main structure and is used to assist the main structure in changing the vehicle type; The head assembly (1) comprises a first bottom vertical support plate (10), a first bottom horizontal support plate (11), a head vertical support plate (12), a head horizontal support plate (13) and a top support plate (14); The first bottom vertical support plate (10) is vertically arranged at the lower end of the head assembly (1); the first bottom horizontal support plate (11) is horizontally fixed above the first bottom vertical support plate (10); the head vertical support plate (12) is vertically fixed above the first bottom horizontal support plate (11); the head horizontal support plate (13) is horizontally fixed above the head vertical support plate (12); the top support plate (14) is vertically fixed above the head horizontal support plate (13); the first bottom vertical support plate (10), the first bottom horizontal support plate (11), the head vertical support plate (12), the head horizontal support plate (13) and the top support plate (14) are connected and fixed layer by layer to form a stable multi-layer tic-tac-toe structure.

2. The engineering vehicle target for AEB collision test according to claim 1, characterized in that: The engineering vehicle target also includes a car skin, which is mounted on the outside of the main structure and the functional component (3), and the car skin is provided with absorbing materials for reducing the radar reflection cross section or metal materials for increasing the radar reflection cross section.

3. The engineering vehicle target for AEB collision test according to claim 1, characterized in that: The head assembly (1) further comprises a head plate (15), a head side plate (16), a head upper cover plate (17), a head front cover plate (18) and a head tail plate (19); The head plate (15) is connected to the first bottom vertical support plate (10) and the head transverse support plate (13), and is located at the front end of the engineering vehicle target object; the head side plate (16) is connected to the first bottom transverse support plate (11), and is located at both sides of the head of the engineering vehicle target object; the head upper cover plate (17) is connected to the top support plate (14), and is located at the top of the head of the engineering vehicle target object; the head front cover plate (18) is connected to the top support plate (14), and is located above the head plate (15); and the head tail plate (19) is connected to the top support plate (14), and is located at the rear end of the head of the engineering vehicle target object.

4. The engineering vehicle target for AEB collision test according to claim 3, characterized in that: The tail assembly (2) comprises a second bottom vertical support plate (21) and a second bottom horizontal support plate (22); Two groups of second bottom vertical support plates (21) are arranged in the tail assembly (2), wherein one group of the second bottom vertical support plates (21) is vertically arranged at the lower end of the tail assembly (2), and the other group of the second bottom vertical support plates (21) is vertically arranged at the upper end of the tail assembly (2); the second bottom transverse support plate (22) is transversely fixed between the two groups of the second bottom vertical support plates (21); the two groups of the second bottom vertical support plates (21) and the second bottom transverse support plate (22) together form a stable multi-layer tic-tac-toe structure; and the first bottom vertical support plate (10) is fixedly connected to the second bottom vertical support plate (21).

5. The engineering vehicle target for AEB collision test according to claim 4, characterized in that: The tail assembly (2) further comprises a tail plate (23), a tail side plate (24) and a tail upper cover plate (25); The tail plate (23) is connected to the second bottom vertical support plate (21) and is located at the rear end of the engineering vehicle target object; the tail side plate (24) is connected to the second bottom horizontal support plate (22) and is located on both sides of the tail of the engineering vehicle target object; the tail upper cover plate (25) is connected to the second bottom vertical support plate (21) above the second bottom horizontal support plate (22) and is located at the top end of the tail of the engineering vehicle target object.

6. The engineering vehicle target for AEB collision test according to claim 5, characterized in that: The engineering vehicle target also includes a magnetic attraction mechanism (4); The head side plate (16) is connected to the first bottom transverse support plate (11) via a magnetic attraction mechanism (4), and the tail side plate (24) is connected to the second bottom transverse support plate (22) via a magnetic attraction mechanism (4).

7. The engineering vehicle target for AEB collision test according to claim 6, characterized in that: The magnetic attraction mechanism (4) comprises a first fixing plate (41), a first group of magnets (42), a second fixing plate (43), and a second group of magnets (44); The first group of magnets (42) is arranged on the first fixing plate (41), and the second group of magnets (44) is arranged on the second fixing plate (43); the first group of magnets (42) and the second group of magnets (44) attract each other.

8. The engineering vehicle target for AEB collision test according to claim 7, characterized in that: The first fixing plate (41) is arranged on both sides of the first bottom transverse supporting plate (11), and the second fixing plate (43) is arranged on one side of the head side plate (16) close to the first bottom transverse supporting plate (11), wherein the position of the second fixing plate (43) on the head side plate (16) corresponds to the position of the first fixing plate (41) on the first bottom transverse supporting plate (11); The first fixing plate (41) is also arranged on both sides of the second bottom transverse supporting plate (22), and the second fixing plate (43) is also arranged on one side of the tail side plate (24) close to the second bottom transverse supporting plate (22), wherein the position of the second fixing plate (43) on the tail side plate (24) corresponds to the position of the first fixing plate (41) on the second bottom transverse supporting plate (22).

9. The engineering vehicle target for AEB collision test according to claim 5, characterized in that: The functional component (3) comprises a buffer pad (31) and an anti-collision indicator light (32); The buffer pad (31) is connected to the tail plate (23) and is located at the rear end of the tail assembly (2); the anti-collision indicator light (32) is connected to the head tail plate (19) and is located at the rear end of the head assembly (1); the buffer pad (31) and the anti-collision indicator light (32) are used to restore the model features of the anti-collision buffer vehicle.

10. The engineering vehicle target for AEB collision test according to claim 5, characterized in that: The functional component (3) also includes a greening maintenance operation base plate (33), a greening maintenance operation column (34) and a greening maintenance operation cantilever (35); The greening maintenance operation base plate (33) is connected to the tail upper cover plate (25) and is located at the upper end of the tail component (2). The greening maintenance operation column (34) is fixed above the greening maintenance operation base plate (33). One end of the greening maintenance operation cantilever (35) is connected to the top of the greening maintenance operation column (34), and the other end is connected to the head upper cover plate (17). The greening maintenance operation base plate (33), the greening maintenance operation column (34) and the greening maintenance operation cantilever (35) are used to restore the model features of the greening comprehensive maintenance vehicle.

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