Protective device and vehicle

The protective device with a detachable anti-collision system and energy-absorbing units addresses the inadequate protection of vehicle components, enhancing safety and reducing repair times by allowing component replacement and vibration absorption.

AU2025271504A1Pending Publication Date: 2026-11-05FAW JIEFANG AUTOMOTIVE CO
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Patent Information

Application Number
AU2025271504
Authority / Receiving Office
AU · AU
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-04-16
Filing Date
2025-11-28
Publication Date
2026-11-05

AI Technical Summary

Technical Problem

Existing vehicle anti-collision devices fail to provide sufficient protection for components like the front bumper, headlights, radar, and gas inlet grille lights, especially in environments with wild animals or forests, leading to increased vehicle damage and reduced operational efficiency.

Method used

A protective device with an anti-collision main body and energy-absorbing assembly, comprising a crossbeam assembly, transition assemblies, and shield assemblies, which are detachably connected to the vehicle body, providing comprehensive protection for the vehicle's main body and components like the headlight, with energy-absorbing units to buffer collisions.

Benefits of technology

Enhances vehicle safety and reduces repair duration by allowing individual component replacement and vibration absorption, improving vehicle attendance rates and ensuring normal operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

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Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of vehicles, and in particular to a protective device and a vehicle. BACKGROUND ART

[0002] The anti-collision structure of a vehicle plays a crucial role in vehicle collisions. Its main function is to absorb and disperse the collision energy, thereby protecting the vehicle structure and its occupants from injury. Currently, the front anti-collision function of vehicles is achieved through lower protective devices or anti-collision beams. Such anti-collision devices are used to protect the vehicle main structure and prevent harm to passengers and drivers caused by vehicle collisions. However, they cannot protect components such as the front bumper, headlights, radar, and gas inlet grille lights of the vehicle. In some special working conditions, such as forests, mines, or roads with wild animals, it cannot provide sufficient protection for the front of the vehicle by relying only on the above anti-collision devices, which can easily lead to low attendance rates of the vehicle due to inadequate protection, thereby affecting the normal operation of production and daily life.

[0003] Therefore, there is a need for a protective device and a vehicle to address the above problems. SUMMARY

[0004] An object of the present disclosure is to provide a protective device and a vehicle, which can protect the main body of the vehicle, and also provide effective protection for components such as the headlight at the front of the vehicle, thereby reducing vehicle losses and improving vehicle attendance rate.

[0005] In order to realize this object, the present disclosure adopts the following technical solutions.

[0006] A protective device is provided, wherein the protective device includes an anti-collision main body and an energy-absorbing assembly, and the anti-collision main body is detachably connected to a vehicle body through the energy-absorbing assembly; and the anti-collision main body includes a crossbeam assembly, transition assemblies, and shield assemblies, wherein two of the transition assemblies are symmetrically arranged on two sides of the crossbeam assembly, and 2025271504   28 Nov 2025 the transition assemblies are detachably connected to the crossbeam assembly; two of the shield assemblies are symmetrically arranged on ends of the two of the transition assemblies away from the crossbeam assembly; and the shield assemblies are detachably connected to the crossbeam assembly.

[0007] As an optional technical solution, the crossbeam assembly includes a first crossbeam and a second crossbeam, and the first crossbeam and the second crossbeam are parallel and arranged at intervals in a vertical direction, wherein the first crossbeam and / or the second crossbeam both include a support frame and first connecting plates; two of the first connecting plates are parallel and arranged at intervals on the support frame; and the first connecting plates are configured to connect the transition assemblies.

[0008] As an optional technical solution, the support frame includes an end plate and two first support plates, wherein the two first support plates are parallel and arranged at intervals on the end plate; first ends of the two first support plates are respectively connected to two ends of one of the first connecting plates; and the second ends of the two first support plates are respectively connected to two ends of the other first connecting plate.

[0009] As an optional technical solution, the transition assembly includes a flat plate, two second support plates, and two second connecting plates, wherein the two second support plates are parallel and arranged at intervals on the flat plate; the two second connecting plates are parallel and arranged at intervals on the flat plate; and the second support plates are perpendicular to the second connecting plates, wherein two ends of the two second support plates are respectively connected to first ends of the second connecting plates; two ends of the two second support plates are respectively connected to second ends of the second connecting plates; and the two second connecting plates are respectively connected to the shield assembly and the crossbeam assembly.

[0010] As an optional technical solution, the shield assembly includes a third connecting plate, a side plate, a connecting rod, and a lamp cover part, wherein the third connecting plate and the side plates are arranged at intervals; the lamp cover part and the connecting rod both are connected between the third connecting plate and the side plate; the lamp cover part and the connecting rod are arranged at intervals to form a first light-transmitting part; the lamp cover part is provided with a second light-transmitting part; and the third connecting plate is configured to connect to the crossbeam assembly.

[0011] As an optional technical solution, the anti-collision main body further includes two outer plates, wherein the two outer plates are connected to the two transition assemblies in one-to-one correspondence, and the two outer plates are symmetrically arranged. 2025271504   28 Nov 2025

[0012] As an optional technical solution, the energy-absorbing assembly includes two first energy-absorbing units and two second energy-absorbing units, wherein the first ends of the two first energy-absorbing units are respectively connected to the two transition assemblies, and the first ends of the two second energy-absorbing units are both connected to the crossbeam assembly.

[0013] As an optional technical solution, the first energy-absorbing unit and / or the second energy-absorbing unit both include a housing, an energy-absorbing sleeve, and a connecting member, wherein the energy-absorbing sleeve and the connecting member are both arranged inside the housing; the energy-absorbing sleeve is arranged between the connecting member and the housing; the housing is connected to the transition assembly or the crossbeam assembly; and the connecting member is connected to the vehicle body.

[0014] As an optional technical solution, the housing is provided with a first threaded hole, and the transition assembly is provided with a connection through hole, wherein the fastening bolt passes through the connection through hole and then threadedly connects to the first threaded hole, thereby connecting the housing to the transition assembly.

[0015] The present disclosure further adopts the following technical solutions.

[0016] A vehicle includes a body, and further includes the above protective device, wherein the protective device is connected to the vehicle body.

[0017] The present disclosure includes the following beneficial effects.

[0018] The present disclosure provides a protective device, wherein the protective device includes an anti-collision main body and an energy-absorbing assembly, and the anti-collision main body is detachably connected to a vehicle body through the energy-absorbing assembly; and the anti-collision main body includes a crossbeam assembly, transition assemblies, and shield assemblies, wherein the two transition assemblies are arranged on two ends of the crossbeam assembly; the two shield assemblies are respectively arranged on ends of the two transition assemblies away from the crossbeam assembly; and the transition assembly, the crossbeam assembly, and the shield assemblies are detachably connected when they are connected. The protective device is provided with the crossbeam assembly, the transition assembly, and the shield assembly, which can protect the main body of the vehicle, and also provide effective protection for components such as the headlight at the front of the vehicle, thereby reducing vehicle losses and improving vehicle attendance rate. Further, the transition assembly, the crossbeam assembly, and the shield assemblies are detachably connected when they are connected. When the protective device is impacted and certain components are damaged, individual components can be replaced separately, which not only enhances the flexibility and versatility of the protective device, but also 2025271504   28 Nov 2025 reduces vehicle repair durations, thereby ensuring the use performance of the vehicle. The energyabsorbing assembly can buffer vibrations caused by collisions, thereby effectively ensuring passenger safety.

[0019] The present disclosure further provides a vehicle including a vehicle body and the above protective device, wherein the protective device is mounted on the vehicle body. By mounting the above protective device on the vehicle, it can enhance the safety of use of components such as the front headlight, so as to prevent the vehicle from failing due to collisions of the components, thereby improving the attendance rate of the vehicle, and ensuring the normal operation of the work. BRIEF DESCRIPTION OF DRAWINGS

[0020] FIG. 1 is a schematic diagram of a protective device connecting a vehicle body in the embodiments of the present disclosure;

[0021] FIG. 2 is a structure schematic diagram of an anti-collision main body in the embodiments of the present disclosure;

[0022] FIG. 3 is a structure schematic diagram of a first crossbeam in the embodiments of the present disclosure;

[0023] FIG. 4 is a structure schematic diagram of a second crossbeam in the embodiments of the present disclosure;

[0024] FIG. 5 is a structure schematic diagram of a transition assembly in the embodiments of the present disclosure;

[0025] FIG. 6 is a structure schematic diagram of a shield assembly in the embodiments of the present disclosure;

[0026] FIG. 7 is a structure schematic diagram of an outer plate in the embodiments of the present disclosure;

[0027] FIG. 8 is a structure schematic diagram of a partial structure of an energy-absorbing assembly in the embodiments of the present disclosure; and

[0028] FIG. 9 is a schematic diagram of an energy-absorbing assembly connecting a vehicle body in the embodiments of the present disclosure.

[0029] Reference numbers:

[0030] 1, protective device; 2, vehicle body;

[0031] 10, anti-collision main body; 11, crossbeam assembly; 111, first crossbeam; 112, second crossbeam; 113, first connecting plate; 1131, first connecting hole; 114, end plate; 1141, license 2025271504   28 Nov 2025 plate mounting hole; 1142, sixth connecting hole; 115, first support plate; 12, transition assembly; 121, flat plate; 1211, fifth connecting hole; 122, second support plate; 123, second connecting plate; 1231, second connecting hole; 1232, third connecting hole; 13, shield assembly; 131, third connecting plate; 1311, third connecting hole; 132, side plate; 133, connecting rod; 134, lamp cover part; 135, first light-transmitting part; 136, second light-transmitting part; 14, outer plate; 141, fourth connecting hole;

[0032] 21, first energy-absorbing unit; 22, second energy-absorbing unit; 23, housing; 231, first threaded hole; 24, energy-absorbing sleeve; 25, connecting member; 26, connecting rod. DETAILED DESCRIPTION OF EMBODIMENTS

[0033] The present disclosure will be further illustrated in detail below in conjunction with drawings and embodiments. It can be understood that the specific embodiments described herein are used only to explain the present disclosure, and are not intended to limit the present disclosure. Furthermore, it should be noted that, for ease of description, the drawings only show the structure related to the present disclosure rather than the entire structure.

[0034] In description of the present disclosure, unless other expressly specifications and limitations, the terms of “connect”, “link”, and “fix” are to be understood in a broad sense, e.g. it can be a fixed connection, a detachable connection, or can be integral; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium; and it can be an internal connection between two components or interaction relationships between two components. For a person of ordinary skill in the art, the specific meaning of the above terms in the present disclosure may be understood in specific situations.

[0035] In the present disclosure, unless otherwise expressly stated and limited, a first feature being “up” or “under” a second feature may include that the first feature is directly in contact with the second feature, or may include that the first feature and second feature do not contact directly but contact through other features between them. Moreover, the first feature being “above”, “over”, and “on top of” the second feature includes that the first feature is directly above and diagonally above the second feature, or simply indicates that the first feature is higher in horizontal height than the second feature. The first feature being “under”, “below”, and “beneath” the second feature 2025271504   28 Nov 2025 includes that the first feature is directly below and diagonally below the second feature, or simply indicates that the first feature is smaller in horizontal height than the second feature.

[0036] In the description of the embodiments, the orientations or positional relationships indicated by terms, such as “up”, “down”, and “right”, are the orientations or positional relationships based on the drawings, which are only to facilitate and simplify the description, and are not to indicate or imply that the device or element referred to must have a particular orientation, or be constructed and operated with a particular orientation, and therefore cannot to be understood as limitations of the present disclosure. Furthermore, the terms “first” and “second” are used only for descriptive purposes and have no special meaning.

[0037] As shown in FIG. 1 to FIG. 9, the embodiment provides a shield assembly, wherein the protective device includes an anti-collision main body 10 and an energy-absorbing assembly, and the anti-collision main body 10 is detachably connected to a vehicle body 2 through the energyabsorbing assembly; and the anti-collision main body 10 includes a crossbeam assembly 11, transition assemblies 12, and shield assemblies 13. The two transition assemblies 12 are symmetrically arranged on two sides of the crossbeam assembly 11, and the transition assemblies 12 are detachably connected to the crossbeam assembly 11. The two shield assemblies 13 are symmetrically arranged on the ends of the two transition assemblies 12 away from the crossbeam assembly 11, and the shield assemblies 13 are detachably connected to the crossbeam assembly 11.

[0038] Specifically, in the embodiment, as shown in FIG. 1 and FIG. 2, the protective device is provided with a crossbeam assembly 11, transition assemblies 12, and shield assemblies 13, and the transition assemblies 12 and the shield assemblies 13 are provided in sequence at two ends of the crossbeam assembly 11. The crossbeam assembly 11 is arranged in the middle of the vehicle, so as to enhance the protection of the vehicle against frontal impact. The transition assemblies 12 are connected between the shield assemblies 13 and the crossbeam assembly 11, which can improve the overall strength of the protective device. The two shield assemblies 13 are located on two ends to protect components, such as the vehicle headlight, located on two sides of the vehicle, so that the protective device can protect the main body of the vehicle, and also provide effective protection for components such as the headlight at the front of the vehicle, thereby reducing vehicle 2025271504   28 Nov 2025 losses and improving vehicle attendance rate. Further, the transition assembly 12, the crossbeam assembly 11, and the shield assemblies 13 are detachably connected when they are connected. When the protective device is impacted and certain components are damaged, individual components can be replaced separately, which not only enhances the flexibility and versatility of the protective device, but also reduces vehicle repair durations, thereby ensuring the use performance of the vehicle. The energy-absorbing assembly can buffer vibrations caused by collisions, thereby effectively ensuring passenger safety.

[0039] Further, as shown in FIG. 2, the crossbeam assembly 11 includes a first crossbeam 111 and a second crossbeam 112, and the first crossbeam 111 and the second crossbeam 112 are parallel in a vertical direction and arranged at intervals, wherein the first crossbeam 111 and / or the second crossbeam 112 both include a support frame and first connecting plates 113; the two first connecting plates 113 are parallel and arranged at intervals on the support frame; and the first connecting plates 113 are configured to connect the transition assemblies 12. Specifically, in the embodiment, the first crossbeam 111 and the second crossbeam 112 are connected between the two transition assemblies 12, and the first crossbeam 111 and the second crossbeam 112 are arranged at intervals, so that there exists a certain space between the first crossbeam 111 and the second crossbeam 112, which facilitates the observation of the vehicle condition after collision.

[0040] Specifically, in the embodiment, as shown in FIG. 3 and FIG. 4, two first connecting plates 113 of the first crossbeam 111 and two first connecting plates 113 of the second crossbeam 112 are all provided with first connecting holes 1131 for connecting to the transition assemblies 12.

[0041] Further, as shown in FIG. 3 and FIG. 4, the support frame includes an end plate 114 and two first support plates 115, wherein the two first support plates 115 are parallel and arranged at intervals on the end plate 114; first ends of the two first support plates 115 are respectively connected to two ends of one of the first connecting plates 113; and the second ends of the two first support plates 115 are respectively connected to two ends of the other first connecting plate 113. Specifically, in the embodiment, the end plate 114 is in a square shape, and two first support plates 115 and two first connecting plates 113 are connected end-to-end in sequence to form a square frame. This arrangement ensures that the first crossbeam 111 and the second crossbeam 2025271504   28 Nov 2025 112 have good structural strength, thereby enhancing the vibration resistance of the protective device, and improving the protective performance of the protective device.

[0042] Specifically, in the embodiment, the end plate 114 and the two first support plates 115 are integrally formed as a groove structure, which is extruded by aluminum profiles. The first connecting plate 113 is a flat plate 121 processed from an aluminum plate, and the first connecting plate 113 is connected to the end plate 114 and the two first support plates 115 by welding, so as to enhance the structural strength and service life.

[0043] Specifically, in the embodiment, in the height direction of the vehicle, the first crossbeam 111 is located above the second crossbeam 112, and the second crossbeam 112 is provided with license plate mounting holes 1141 for mounting a license plate.

[0044] Further, as shown in FIG. 5, the transition assembly 12 includes a flat plate 121, two second support plates 122, and two second connecting plates 123, wherein the two second support plates 122 are parallel and arranged at intervals on the flat plate 121; the two second connecting plates 123 are parallel and arranged at intervals on the flat plate 121; and the second support plates 122 are perpendicular to the second connecting plates 123. Two ends of the two second support plates 122 are respectively connected to first ends of the second connecting plates 123; two ends of the two second support plates 122 are respectively connected to second ends of the second connecting plates 123; and the two second connecting plates 123 are respectively connected to the shield assembly 13 and the crossbeam assembly 11. Specifically, in the embodiment, two second support plates 122 and two second connecting plates 123 form a square frame, and the square frame is fixedly connected to the flat plate 121. This arrangement provides the transition assembly 12 with better structural strength, thereby enhancing the protective effect of the protective device, and ensuring its use performance.

[0045] Specifically, in the embodiment, as shown in FIG. 5, one of the second connecting plates 123 is provided with second connecting holes 1231. A bolt passes through a first connecting hole 1131 on the first crossbeam 111 and a first connecting hole 1131 on the second crossbeam 112, then passes through a second connecting hole 1231 on one of the second connecting plates 123, and threadedly connect to a nut, thereby detachably connecting to the transition assembly 12 and the crossbeam assembly 11. 2025271504   28 Nov 2025

[0046] Specifically, in the embodiment, as shown in FIG. 5, the other second connecting plate 123 is provided with third connecting holes 1311, and the third connecting holes 1311 are configured to connect the shield assembly 13.

[0047] Specifically, in the embodiment, as shown in FIG. 5, the flat plate 121 and the two second connecting plates 123 are integrally formed as a groove structure, which is extruded by aluminum profiles. The second support plate 122 is a flat plate 121 processed from an aluminum plate, and the second support plate 122 is connected to the end plate 114 and the two second connecting plates 123 by welding, so as to enhance the structural strength and service life.

[0048] Further, as shown in FIG. 6, the shield assembly 13 includes a third connecting plate 131, a side plate 132, a connecting rod 26, and a lamp cover part 134, wherein the third connecting plate 131 and the side plates 132 are arranged at intervals; the lamp cover part 134 and the connecting rod 26 both are connected between the third connecting plate 131 and the side plate 132; the lamp cover part 134 and the connecting rod 26 are arranged at intervals to form a first light-transmitting part 135; the lamp cover part 134 is provided with a second light-transmitting part 136; and the third connecting plate 131 is configured to connect to the crossbeam assembly 11. Specifically, in the embodiment, in the vertical direction of the vehicle, the connecting rod 26 is arranged above the lamp cover part 134, and the connecting rod 26 and the lamp cover part 134 are arranged at intervals to form a first light-transmitting part 135; and the lamp cover part 134 is provided with a second light-transmitting part 136. The arrangement of the first light-transmitting part 135 and the second light-transmitting part 136 can prevent obstruction of the vehicle headlight beams, thereby ensuring both headlight protection and driving safety.

[0049] Specifically, in the embodiment, the lamp cover part 134 is formed by extruding aluminum profiles, so that the lamp cover part 134 has wave-like structures, which in turn can enhance the structural strength of the shield assembly 13. The third connecting plate 131, the side plate 132, and the connecting rod 26 are all machined components, and the lamp cover part 134 and the connecting rod 26 are both connected to the third connecting plate 131 and the side plate 132 by welding, which in turn ensures their use performance.

[0050] Specifically, in the embodiment, as shown in FIG. 6, the third connecting plate 131 is provided with third connecting holes 1311, and the bolt is threadedly connected to the nut after 2025271504   28 Nov 2025 passing through the third connecting hole 1311 and the second connecting hole 1231 in sequence, thereby detachably connecting the shield assembly 13 to the transition assembly.

[0051] Further, as shown in FIG. 2 and FIG. 7, the anti-collision main body 10 further includes two outer plates 14, wherein the two outer plates 14 are connected to the two transition assemblies 12 in one-to-one correspondence, and the two outer plates 14 are symmetrically arranged. Specifically, in the embodiment, an outer plate 14 is additionally arranged on the transition assembly 12, and two ends of the outer plate 14 cover a partial area of the crossbeam assembly 11 and a partial area of the shield assembly 13. The outer plate 14 itself has a certain degree of metal toughness, so as to protect the crossbeam assembly 11 and the shield assembly 13. This further enhances the structural strength and deformation resistant capability of the protective device.

[0052] Specifically, in the embodiment, as shown in FIG. 7, the outer plate 14 is provided with fourth connecting holes 141, and the flat plate 121 of the transition assembly 12 is provided with fifth connecting holes 1211. The bolt is threadedly connected to the nut after passing through the fourth connecting hole 141 and the fifth connecting hole 1211, so as to detachably connect the transition assembly 12 to the outer plate 14.

[0053] Further, as shown in FIG. 1 and FIG. 8, the energy-absorbing assembly includes two first energy-absorbing units 21 and two second energy-absorbing units 22, wherein first ends of the two first energy-absorbing units 21 are respectively connected to the two transition assemblies 12, and first ends of the two second energy-absorbing units 22 are both connected to the crossbeam assembly 11. Specifically, in the embodiment, the two first energy-absorbing units 21 are located above the two second energy-absorbing units 22 along the vertical direction of the vehicle; the two first energy-absorbing units 21 are symmetrically arranged about the centerline of the protective device; and the two second energy-absorbing units 22 are symmetrically arranged about the centerline of the protective device, which can enhance the force balance of the protective device. Further, the first ends of the two first energy-absorbing units 21 are respectively connected to the two transition assemblies 12, and the first ends of the two second energy-absorbing units 22 are both connected to the crossbeam assembly 11, so that the first energy-absorbing units 21 or the second energy-absorbing units 22 can directly buffer the vibrations when the crossbeam assembly 2025271504   28 Nov 2025 11)or the transition assemblies 12 are impacted, thereby improving the protective performance of the protective device.

[0054] Further, as shown in FIG. 8, the first energy-absorbing unit 21 and / or the second energyabsorbing unit 22 both include a housing 23, an energy-absorbing sleeve 24, and a connecting member 25, wherein the energy-absorbing sleeve 24 and the connecting member 25 are both arranged inside the housing 23; the energy-absorbing sleeve 24 is arranged between the connecting member 25 and the housing 23; the housing 23 is connected to the transition assembly 12 or the crossbeam assembly 11; and the connecting member 25 is connected to the vehicle body 2. Specifically, in the embodiment, the housing 23 of the first energy-absorbing unit 21 is connected to the flat plate 121 of the transition assembly 12; the impact received by the transition assembly 12 can be directly transmitted to the housing 23 of the first energy-absorbing unit 21; the energyabsorbing sleeve 24 is arranged between the connecting member 25 and the housing 23; and the connecting member 25 is connected to the vehicle body 2. The energy-absorbing sleeve 24 can buffer the impact received by the housing 23, thereby preventing the impact from being transmitted to the connecting member 25, and avoiding direct impact on the vehicle body 2. Similarly, the housing 23 of the second energy-absorbing unit 22 is connected to the end plate 114 of the crossbeam assembly 11; the impact received by the end plate 114 of the crossbeam assembly 11 is transmitted to the housing 23 of the second energy-absorbing unit; the energy-absorbing sleeve 24 is arranged between the connecting member 25 and the housing 23; and the connecting member 25 is connected to the vehicle body 2. The energy-absorbing sleeve 24 can buffer the impact received by the housing 23, which in turn prevents the impact from being transmitted to the connecting member 25, and avoids direct impact on the vehicle body 2, thereby reducing the damage to the vehicle and components.

[0055] Specifically, in this embodiment, the energy-absorbing sleeve 24 is a rubber sleeve, which can buffer vibrations. In other embodiments, the energy-absorbing sleeve 24 can also be other components with energy-absorbing functions, such as energy-absorbing foam or energyabsorbing springs, without any restrictions.

[0056] Further, as shown in FIG. 8, the housing 23 is provided with a first threaded hole 231, and the transition assembly 12 is provided with a connection through hole, wherein the fastening 2025271504   28 Nov 2025 bolt passes through the connection through hole and then threadedly connects to the first threaded hole 231, thereby connecting the housing 23 to the transition assembly 12. Specifically, in the embodiment, the fastening bolt first passes through the fourth connecting hole 141 on the outer plate 14, then passes through the fifth connecting hole 1211 on the flat plate 121 of the transition assembly 12, and is finally threadedly connected to the first threaded hole 231 on the housing 23 of the first energy-absorbing unit 21, thereby connecting the transition assembly 12 to the housing 23 of the first energy-absorbing unit 21, and thus enhancing the cushioning effect of the entire protective device.

[0057] Specifically, in the embodiment, the end plate 114 of the second crossbeam 112 is provided with sixth connecting holes 1142. The bolt passes through the sixth connecting hole 1142 and is threadedly connected to the first threaded hole 231 on the housing 23 of the second energyabsorbing unit 22, thereby connecting the second crossbeam 112 to the housing 23 of the first energy-absorbing unit 21, and thus enhancing the cushioning effect of the entire protective device.

[0058] Specifically, in the embodiment, for ease of installation, the connection through hole on the transition assembly 12 is one of the fifth connecting holes 1211, which will not be repeated herein.

[0059] Specifically, in the embodiment, as shown in FIG. 9, both the first energy-absorbing unit 21 and the second energy-absorbing unit 22 further include a connecting post. One end of the connecting post is provided with external threads, and the connecting member 25 is provided with internal threads, thereby forming a detachable connection between the connecting post and the connecting member 25 in a fixed position. The other end of the connecting post is provided with a fastening threaded hole. A bolt passes through the mounting hole on the vehicle body 2 and threadedly connects to the fastening threaded hole, thereby connecting the connecting post to the vehicle body 2.

[0060] The embodiment further provides a vehicle including a vehicle body 2 and the above protective device, wherein the protective device is mounted on the vehicle body 2. By mounting the above protective device on the vehicle, it can enhance the safety of use of components such as the front headlight, so as to prevent the vehicle from failing due to collisions of the components, 2025271504   28 Nov 2025 thereby improving the attendance rate of the vehicle, and ensuring the normal operation of the work.

[0061] Obviously, the above embodiments of the present disclosure are merely examples of the present disclosure for clear illustration, and are not a limitation of the embodiments of the present disclosure. For those ordinarily skilled in the art, various obvious variations, readjustments, and substitutions can be made without departing from the scope of the present disclosure. It is neither necessary nor possible to exhaustively list all implementation methods herein. Any modifications, equivalent substitutions, and improvements, etc., made within the spirit and principles of the present disclosure, shall be included in the scope of protection of claims of the present disclosure

Claims

1. A protective device, wherein the protective device comprises an anti-collision main body (10) and an energy-absorbing assembly, and the anti-collision main body (10) is detachably connected to a vehicle body (2) through the energy-absorbing assembly; and the anti-collision main body (10) comprises a crossbeam assembly (11), transition assemblies (12), and shield assemblies (13), wherein two of the transition assemblies (12) are symmetrically arranged on two sides of the crossbeam assembly (11), and the transition assemblies (12) are detachably connected to the crossbeam assembly (11); two of the shield assemblies (13) are symmetrically arranged on ends of the two of the transition assemblies (12) away from the crossbeam assembly (11); and the two of the shield assemblies (13) are detachably connected to the crossbeam assembly (11).

2. The protective device according to claim 1, wherein the crossbeam assembly (11) comprises a first crossbeam (111) and a second crossbeam (112), the first crossbeam (111) and the second crossbeam (112) are parallel in a vertical direction and arranged at intervals, the first crossbeam (111) and / or the second crossbeam (112) both comprises a support frame and first connecting plates (113), and two of the first connecting plates (113) are parallel and arranged at intervals on the support frame; and the first connecting plates (113) are configured to connect the transition assemblies (12).

3. The protective device according to claim 2, wherein the support frame comprises an end plate (114) and two first support plates (115); the two first support plates (115) are parallel and arranged at intervals on the end plate (114); first ends of the two first support plates (115) are respectively connected to two ends of one of the first connecting plates (113); and second ends of the two first support plates (115) are respectively connected to two ends of the other first connecting plate (113).

4. The protective device according to claim 2, wherein each of the transition assemblies (12) comprises a flat plate (121), two second support plates (122), and two second connecting plates (123); the two second support plates (122) are parallel and arranged at intervals on the flat plate (121); the two second connecting plates (123) are parallel and arranged at intervals on the flat plate (121); and the second support plates (122) are perpendicular to the second connecting plates (123); two ends of the two second support plates (122) are respectively connected to first ends of the 12025271504   28 Nov 2025second connecting plates (123); two ends of the two second support plates (122) are respectively connected to second ends of the second connecting plates (123); and the two second connecting plates (123) are respectively connected to the shield assemblies (13) and the crossbeam assembly (11).

5. The protective device according to claim 1, wherein each of the shield assemblies (13) comprises a third connecting plate (131), a side plate (132), a connecting rod (26), and a lamp cover part (134); the third connecting plate (131) and the side plates (132) are arranged at intervals; the lamp cover part (134) and the connecting rod (26) both are connected between the third connecting plate (131) and the side plate (132); the lamp cover part (134) and the connecting rod (26) are arranged at intervals to form a first light-transmitting part (135); the lamp cover part (134) is provided with a second light-transmitting part (136); and the third connecting plate (131) is configured to connect to the crossbeam assembly (11).

6. The protective device according to claim 1, wherein the anti-collision main body (10) further comprises two outer plates (14); and the two outer plates (14) are connected to two of the transition assemblies (12) in one-to-one correspondence; and the two outer plates (14) are symmetrically arranged.

7. The protective device according to any one of claims 1-6, wherein the energy-absorbing assembly comprises two first energy-absorbing units (21) and two second energy-absorbing units (22); first ends of the two first energy-absorbing units (21) are respectively connected to the two of the transition assemblies (12), and first ends of the two second energy-absorbing units (22) are both connected to the crossbeam assembly (11).

8. The protective device according to claim 7, wherein each of the first energy-absorbing units (21) and / or each of the second energy-absorbing units (22) both comprises a housing (23), an energy-absorbing sleeve (24), and a connecting member (25); the energy-absorbing sleeve (24) and the connecting member (25) are both arranged inside the housing (23); the energy-absorbing sleeve (24) is arranged between the connecting member (25) and the housing (23); the housing (23) is connected to the transition assembly (12) or the crossbeam assembly (11); and the connecting member (25) is connected to the vehicle body (2).2025271504   28 Nov 20259. The protective device according to claim 8, wherein the housing (23) is provided with a first threaded hole (231), each of the transition assemblies (12) is provided with a connection through hole, and a fastening bolt passes through the connection through hole and is threadedly connected to the first threaded hole (231), thereby connecting the housing (23) to the transition assemblies (12).

10. A vehicle, comprising a vehicle body (2), wherein the vehicle further comprises the protective device according to any one of claims 1-9, and the protective device is connected to the vehicle body (2).