Chassis and unmanned logistics vehicle

Abstract

The utility model relates to the technical field of unmanned logistics vehicle engineering, and provides a chassis and an unmanned logistics vehicle. A connecting frame group is used for fixing an upper-layer chassis frame and a lower-layer chassis frame; the exterior frame set comprises a plurality of side wall supports which are sequentially arranged in the front-back direction, each side wall support comprises a fixing base and a supporting rod, the fixing bases are fixed to the side, back to the lower-layer chassis frame, of the upper-layer chassis frame, the supporting rods extend in the left-right direction, the axial ends of the supporting rods can be locked with the fixing bases, and the other ends of the supporting rods are used for fixing side wall plates. The supporting rod has a first state locked with the fixing base and a second state sliding relative to the fixing base, and the supporting rod is detachably connected with the fixing base. The upper-layer chassis frame is arranged above the lower-layer chassis frame, the upper-layer chassis frame is connected with the outer decoration frame set, the number of holes in the lower-layer chassis frame is reduced, and the basic structure strength of the chassis is guaranteed; and by arranging the side wall supports, the chassis can adjust the distance between the side wall plates on the two sides according to working conditions, and the applicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned logistics vehicle engineering, and in particular to a chassis and an unmanned logistics vehicle. Background Art

[0002] As the demand for unmanned logistics vehicles explodes, people have higher and higher requirements for vehicle diversity. According to different working conditions, unmanned logistics vehicles are expected to carry corresponding cargo boxes for transportation operations. The spacing between the side panels on the left and right sides of the vehicle body directly affects the width of the cargo box that can be carried.

[0003] In the existing chassis structure, the spacing of the side panels that can be installed is fixed, denoted as L1, and the width of the cargo box that can be carried is L2, satisfying L2≤L1. This limits the scope of application, that is, a chassis structure of a certain model is difficult to carry a cargo box that is larger than the spacing of the side panels on both sides. The chassis structure needs to be replaced or extended in the width direction. This modification is relatively large, and the R&D or production cycle is relatively long, which cannot meet market demand.

[0004] Therefore, there is an urgent need for a chassis and an unmanned logistics vehicle to solve the above technical problems. Utility Model Content

[0005] The utility model aims to provide a chassis and an unmanned logistics vehicle, which can adjust the spacing between side panels to make the chassis more applicable.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] Chassis, including:

[0008] Lower chassis frame;

[0009] An upper chassis frame, the upper chassis frame is located above the lower chassis frame and is spaced apart from the lower chassis frame;

[0010] A connecting frame group, the connecting frame group fixes the upper chassis frame and the lower chassis frame in the height direction;

[0011] An exterior frame group, the exterior frame group includes multiple groups of side panel brackets, each group includes two side panel brackets symmetrical in the left-right direction, and the multiple groups of side panel brackets are arranged in sequence along the front-to-back direction. The side panel bracket includes a fixing seat and a support rod. The fixing seat is fixed to the side of the upper chassis frame facing away from the lower chassis frame. The support rod extends along the left-right direction. One axial end of the support rod can be locked with the fixing seat, and the other end is used to fix the side panel. The support rod includes a first state locked with the fixing seat and a second state sliding relatively with the fixing seat, and the support rod is detachably connected to the fixing seat.

[0012] As a preferred technical solution for the above-mentioned chassis, the above-mentioned fixed seat includes a first mounting portion, a first supporting portion and a second supporting portion. The above-mentioned first mounting portion is attached to and fixed to the above-mentioned upper chassis frame, and the above-mentioned first supporting portion and the above-mentioned second supporting portion are both fixed to the above-mentioned first mounting portion for supporting the above-mentioned support rod. The above-mentioned first supporting portion is provided with a mounting hole, and a limit block is protruding from the above-mentioned mounting hole. A limit groove is provided along the axial direction of one axial end of the above-mentioned support rod, and the above-mentioned support rod is inserted into the above-mentioned mounting hole, and the above-mentioned limit groove is plugged into the above-mentioned limit block.

[0013] As a preferred technical solution for the above-mentioned chassis, the above-mentioned second supporting portion and the above-mentioned first supporting portion are respectively fixed on the opposite sides of the above-mentioned first mounting portion in the above-mentioned left and right directions, the above-mentioned first supporting portion is perpendicular to the above-mentioned first mounting portion, the above-mentioned second supporting portion is arranged at an angle with the above-mentioned first supporting portion, the intersection of the above-mentioned angle is located on the side where the above-mentioned first mounting portion is located, and the above-mentioned first supporting portions of the above-mentioned side enclosure brackets of the same group are arranged adjacent to each other.

[0014] As a preferred technical solution for the above-mentioned chassis, the above-mentioned exterior frame group also includes a lifting support, and a plurality of the above-mentioned lifting supports are arranged along the above-mentioned front-rear direction, and are all fixed to the side of the above-mentioned upper chassis frame facing away from the above-mentioned lower chassis frame. The above-mentioned lifting supports are used for installing a cargo box, and the contact surface with the above-mentioned cargo box is located above the above-mentioned side panel bracket in the above-mentioned height direction.

[0015] As a preferred technical solution for the above-mentioned chassis, the above-mentioned exterior frame group also includes a charging port mounting frame, which is detachably connected to the above-mentioned upper chassis frame, and a mounting cavity for loading a battery is formed between the above-mentioned upper chassis frame and the above-mentioned lower chassis frame.

[0016] As a preferred technical solution of the above chassis, the above exterior frame assembly also includes a mounting plate, the above mounting plate is used to install the body controller, the above mounting plate is fixed to the above upper chassis frame in the above left and right directions, and is detachably connected to the above upper chassis frame.

[0017] As a preferred technical solution for the above-mentioned chassis, the above-mentioned exterior frame group also includes a front frame, the above-mentioned front frame includes a plurality of anti-collision beams and a first connecting longitudinal beam, the plurality of the above-mentioned anti-collision beams are fixed to each other to form an anti-collision surface perpendicular to the above-mentioned front and rear directions, the upper side of the above-mentioned anti-collision surface is fixed to the above-mentioned upper chassis frame, and the lower side of the above-mentioned anti-collision surface is fixed to the above-mentioned lower chassis frame through the above-mentioned first connecting longitudinal beam.

[0018] As a preferred technical solution for the above-mentioned chassis, the above-mentioned exterior frame group also includes a lamp bracket, and the above-mentioned lamp bracket is provided with two groups, which are symmetrically arranged on the opposite sides of the above-mentioned front frame in the above-mentioned left and right directions, and the above-mentioned lamp bracket includes a connecting vertical beam and a second connecting longitudinal beam, the above-mentioned connecting vertical beam is relatively fixed to the above-mentioned second connecting longitudinal beam, the above-mentioned connecting vertical beam is fixed to the above-mentioned front frame, and the above-mentioned second connecting longitudinal beam is fixedly connected to the above-mentioned connecting frame group.

[0019] As a preferred technical solution for the above-mentioned chassis, the above-mentioned exterior frame group also includes a radar bracket, and the above-mentioned radar bracket includes a first radar bracket and a second radar bracket. The above-mentioned first radar bracket is fixed to the above-mentioned upper chassis frame, and the above-mentioned second radar bracket is symmetrically arranged in two in the above-mentioned left and right directions, and is respectively fixed to the above-mentioned lamp bracket on the same side.

[0020] An unmanned logistics vehicle is also provided, comprising the above-mentioned chassis.

[0021] Beneficial effects of the utility model:

[0022] The lower chassis frame, the upper chassis frame and the connecting frame group form the main structure of the chassis, wherein the lower chassis frame serves as a basic support, the upper chassis frame is located above the lower chassis frame in the height direction, and in the projection in the height direction, the upper chassis frame and the lower chassis frame at least partially overlap, the connecting frame group includes multiple groups of support beams for fixing the upper chassis frame and the lower chassis frame, the upper chassis frame is used to connect the exterior frame group, the exterior frame group includes multiple side panel brackets, the side panel brackets are symmetrically formed in two rows in the left and right directions, and each row of side panel brackets is arranged in sequence along the front and rear directions, the fixing seat of the side panel bracket is fixed to the upper chassis frame, the support rod is movably connected to the fixing seat, and the extension length of the support rod relative to the fixing seat in the left and right directions is adjusted according to the spacing between the side panel panels on both sides in the left and right directions, and the current position can be locked. Furthermore, since the support rod and the fixing seat form a cantilever beam structure, the end of the support rod fixed to the side panel always has a tendency to bend downward, and plastic deformation is likely to occur after long-term use. Thus, the detachable setting of the support rod and the fixing seat makes it easier to inspect and replace the support rod. Thus, by setting an upper chassis frame above the lower chassis frame, the upper chassis frame is connected to the exterior frame group, and the number of openings of the lower chassis frame is reduced to ensure the basic structural strength of the chassis; by setting the side panel bracket, the chassis can adjust the distance between the two side panels according to the working conditions, and the applicability is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0024] Figure 1 It is a structural schematic diagram of a chassis provided by an embodiment of the utility model;

[0025] Figure 2 is a top view of a chassis provided by an embodiment of the utility model;

[0026] Figure 3 It is a structural schematic diagram of a front frame and a radar bracket provided in an embodiment of the utility model;

[0027] Figure 4 It is a structural schematic diagram of a lamp bracket provided by an embodiment of the utility model;

[0028] Figure 5 It is an assembly diagram of a lamp bracket, a radar bracket and a front frame provided in an embodiment of the utility model;

[0029] Figure 6 It is a schematic diagram of the structure of the chassis (excluding the trim frame group) provided by the embodiment of the utility model;

[0030] Figure 7 It is a side view of the chassis (excluding the trim frame assembly) provided by the embodiment of the utility model;

[0031] Figure 8 It is a structural schematic diagram of an exterior frame group provided by an embodiment of the utility model;

[0032] Fig. 9 It is a structural schematic diagram of the side enclosure bracket provided by an embodiment of the utility model;

[0033] Fig.10 It is a front view of the side support provided by the embodiment of the utility model.

[0034] In the figure:

[0035] X, front and back direction; Y, left and right direction; Z, height direction;

[0036] 11. lower chassis frame; 111. mounting cavity;

[0037] 12. Upper chassis frame;

[0038] 13. Connecting frame group;

[0039] 20, side bracket; 21, fixing seat; 211, first mounting portion; 212, first supporting portion; 2121, limiting block; 213, second supporting portion; 22, supporting rod;

[0040] 30. Lifting support; 40. Charging port mounting bracket; 51. Mounting plate; 52. Kit box;

[0041] 60. front frame; 61. anti-collision cross beam; 62. first connecting longitudinal beam; 63. anti-collision vertical beam;

[0042] 70. Lamp bracket; 71. Connecting vertical beam; 72. Second connecting longitudinal beam; 73. Connecting horizontal beam;

[0043] 81. first radar bracket; 82. second radar bracket;

[0044] 90. Touch bar mounting frame; 91. Second mounting portion; 92. Second connecting portion. DETAILED DESCRIPTION

[0045] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0046] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0048] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0049] like Figures 1 to 10 As shown, the utility model provides a chassis, including a lower chassis frame 11, an upper chassis frame 12, a connecting frame group 13 and an exterior frame group. Among them, the upper chassis frame 12 is located above the lower chassis frame 11 and is spaced apart from the lower chassis frame 11; the connecting frame group 13 fixes the upper chassis frame 12 and the lower chassis frame 11 in the height direction Z; the exterior frame group includes multiple groups of side panel brackets 20, each group includes two side panel brackets 20 symmetrical in the left-right direction Y, and the multiple groups of side panel brackets 20 are arranged in sequence along the front-to-back direction X, and the side panel brackets 20 include a fixing seat 21 and a support rod 22, the fixing seat 21 is fixed to the side of the upper chassis frame 12 facing away from the lower chassis frame 11, the support rod 22 extends along the left-right direction Y, one axial end of the support rod 22 can be locked with the fixing seat 21, and the other end is used to fix the side panel, the support rod 22 includes a first state locked with the fixing seat 21 and a second state sliding relative to the fixing seat 21, and the support rod 22 is detachably connected to the fixing seat 21.

[0050] Specifically, the lower chassis frame 11, the upper chassis frame 12 and the connecting frame group 13 form the main structure of the chassis, wherein the lower chassis frame 11 serves as a basic support, the upper chassis frame 12 is located above the lower chassis frame 11 in the height direction Z, and in the projection in the height direction Z, the upper chassis frame 12 and the lower chassis frame 11 at least partially overlap, and the connecting frame group 13 includes a plurality of support beams for fixing the upper chassis frame 12 and the lower chassis frame 11, and the upper chassis frame 12 is used to The exterior frame group is connected, and the exterior frame group includes a plurality of side frame brackets 20. The side frame brackets 20 are symmetrically formed in two rows in the left-right direction Y, and each row of side frame brackets 20 is arranged in sequence along the front-back direction X. The fixing seat 21 of the side frame bracket 20 is fixed to the upper chassis frame 12, and the support rod 22 is movably connected to the fixing seat 21. According to the spacing between the side panels on both sides of the left-right direction Y, the extension length of the support rod 22 relative to the fixing seat 21 in the left-right direction Y is adjusted, and the current position can be locked. Furthermore, since the support rod 22 and the fixing seat 21 form a cantilever beam structure, the end of the support rod 22 fixed to the side panel always has a tendency to bend downward, and plastic deformation is prone to occur after long-term use. In this way, the detachable setting of the support rod 22 and the fixing seat 21 makes the support rod 22 easier to inspect and replace.

[0051] In this way, by setting the upper chassis frame 12 above the lower chassis frame 11, the upper chassis frame 12 is connected to the exterior frame group, and the number of openings of the lower chassis frame 11 is reduced to ensure the basic structural strength of the chassis; by setting the side panel bracket 20, the chassis can adjust the distance between the side panels on both sides according to the working conditions, and the chassis is more applicable.

[0052] Optionally, the fixing seat 21 is detachably connected to the upper chassis seat. In this embodiment, the fixing seat 21 is connected to the upper chassis frame 12 by bolts, and each fixing seat 21 is connected to the upper chassis frame 12 by at least two bolts, the bolts connect the fixing seat 21 and the upper chassis frame 12 along the height direction Z, and the arrangement direction of the plurality of bolts used to connect the same fixing seat 21 is perpendicular to the height direction Z.

[0053] Further, in this embodiment, the upper chassis frame 12 is provided with n installation positions along the front-rear direction X, satisfying n>2, and the side enclosure brackets 20 are provided with m along the front-rear direction X, satisfying n≥m≥2, and each side enclosure bracket 20 can be fixed to one of the installation positions in an idle state, so that the fixing position and arrangement of the side enclosure bracket 20 and the upper chassis frame 12 can be adjusted according to the specific structure of the side enclosure plate. It should be noted that the installation position in the idle state is the installation position where no side enclosure bracket 20 is currently installed.

[0054] Optionally, the fixing seat 21 includes a first mounting portion 211, a first supporting portion 212 and a second supporting portion 213. The first mounting portion 211 is attached to and fixed to the upper chassis frame 12. The first supporting portion 212 and the second supporting portion 213 are both fixed to the first mounting portion 211 and are used to support the support rod 22. The first supporting portion 212 is provided with a mounting hole, and a limiting block 2121 is convexly provided in the mounting hole. A limiting groove is provided at one axial end of the support rod 22 along its axial direction. The support rod 22 is inserted into the mounting hole, and the limiting groove is plugged into the limiting block 2121. In this way, the fixing seat 21 can limit the support rod 22 in the circumferential and axial directions through the plugging of the limiting groove and the limiting block 2121, and the swing of the support rod 22 can also be limited through the mounting hole.

[0055] Optionally, the second supporting portion 213 is provided with a groove, which is C-shaped or V-shaped, with an opening in the depth direction facing the side facing away from the first mounting portion 211 , and the supporting rod 22 is placed in the groove.

[0056] Optionally, the second support portion 213 and the first support portion 212 are respectively fixed on opposite sides of the first mounting portion 211 in the left-right direction Y, the first support portion 212 is perpendicular to the first mounting portion 211, the second support portion 213 and the first support portion 212 are arranged at an angle, the intersection of the angle is located on the side where the first mounting portion 211 is located, and the first support portion 212 of the side enclosure bracket 20 of the same group is arranged adjacent to each other.

[0057] Specifically, in the height direction Z, the lower end of the first support portion 212 and the lower end of the second support portion 213 are respectively fixed to the first mounting portion 211, and the spacing in the left-right direction Y is D1, the upper end of the first support portion 212 and the upper end of the second support portion 213 are used to support the support rod 22, and the spacing in the left-right direction Y is D2, and D2>D1 is satisfied; wherein the first support portion 212 is arranged perpendicular to the first mounting portion 211, so as to facilitate the opening of the mounting hole of the first support portion 212, and to facilitate the insertion and alignment of the support rod 22 with the mounting hole, and the second support portion 213 is arranged at an angle to extend the fulcrum spacing between the first support portion 212 and the second support portion 213 and the support rod 22, thereby shortening the cantilever length of the support rod 22, so that the support rod 22 can be more stably connected to the side panel.

[0058] Optionally, the exterior frame assembly also includes a lifting support 30, and a plurality of lifting supports 30 are arranged along the front-to-back direction X, all of which are fixed to the side of the upper chassis frame 12 facing away from the lower chassis frame 11. The lifting support 30 is used to install the cargo box, and the contact surface with the cargo box is located above the side panel bracket 20 in the height direction Z.

[0059] In this way, the upper chassis frame 12 is installed with the cargo box through the lifting support 30 , so that a gap is formed between the cargo box and the upper chassis frame 12 in the height direction Z, leaving installation space for the side enclosure bracket 20 .

[0060] It should be noted that the chassis in this embodiment is used for an unmanned logistics vehicle, so only the cargo box needs to be carried on the upper chassis frame 12, and the cab is omitted. In other embodiments, the chassis is used for a manually driven vehicle, and the lifting support 30 located at the head of the upper chassis frame 12 is used to install the cab, and the remaining lifting supports 30 are used to install the cargo box.

[0061] Optionally, the exterior frame assembly further includes a charging port mounting frame, and the charging port mounting frame 40 is detachably connected to the upper chassis frame 12 , and a mounting cavity 111 for loading a battery is formed between the upper chassis frame 12 and the lower chassis frame 11 .

[0062] The unmanned logistics vehicle is equipped with a battery inside, and a charging port is generally reserved on the side of the chassis. The battery is electrically connected to the charging port through a wiring harness. When the battery needs to be charged, an external power source is connected to the charging port. The charging port mounting frame 40 is fixed to the upper chassis frame 12 and is detachably connected by bolts.

[0063] Optionally, the exterior frame assembly further includes a mounting plate 51 , which is used to mount a vehicle body controller. The mounting plate 51 is fixed to the upper chassis frame 12 in the left-right direction Y and is detachably connected to the upper chassis frame 12 .

[0064] Specifically, the body control module is responsible for driving, monitoring and controlling the electronic control unit related to the body functions of the unmanned logistics vehicle. In this embodiment, the mounting plate 51 on which the body control module is installed is detachably connected to the upper chassis frame 12, that is, the mounting plate 51 is overlapped on the upper chassis frame 12 at both ends in the left and right direction Y, and then connected along the height direction Z by bolts.

[0065] Optionally, the exterior frame group also includes a front frame 60, which includes a plurality of anti-collision beams 61 and a first connecting longitudinal beam 62. The plurality of anti-collision beams 61 are fixed to each other to form an anti-collision surface perpendicular to the front-to-rear direction X. The upper side of the anti-collision surface is fixed to the upper chassis frame 12, and the lower side of the anti-collision surface is fixed to the lower chassis frame 11 through the first connecting longitudinal beam 62.

[0066] Specifically, in the present embodiment, the front frame 60 further includes a plurality of anti-collision vertical beams 63, which are arranged in parallel in sequence along the left-right direction Y, and a plurality of anti-collision cross beams 61 are arranged in parallel in sequence along the height direction Z, and a plurality of anti-collision vertical beams 63 are connected and fixed with a plurality of anti-collision cross beams 61 in a criss-cross shape, and the anti-collision surface is in a grid shape; in the front-to-back direction X, the front end of the upper chassis frame 12 protrudes from the lower chassis frame 11, and the upper ends of some anti-collision vertical beams 63 are fixed to the front end of the upper chassis frame 12, so that the anti-collision surface and the lower chassis frame 11 are spaced apart in the front-to-back direction X, and the lower side of the anti-collision surface is fixed to the lower chassis frame 11 in the front-to-back direction X by the first connecting longitudinal beam 62. Generally, the structural strength of the upper chassis frame 12 and the lower chassis frame 11 is relatively large, much stronger than the structural strength of the first connecting longitudinal beam 62. When a head-on collision occurs, the gap between the lower chassis frame 11 and the anti-collision surface provides a deformation space for the anti-collision surface.

[0067] In other embodiments, a plurality of anti-collision beams 61 are fixed in an X shape.

[0068] Further, the exterior frame assembly also includes a touch bar mounting frame 90, the middle part of the touch bar mounting frame 90 is a second mounting portion 91, the second mounting portion 91 is spaced apart from the front frame 60 in the front-rear direction X, and the two ends of the touch bar mounting frame 90 are second connecting portions 92, the two second connecting portions 92 are respectively fixed to the two ends of the front frame 60 in the left-right direction Y, and the second mounting portion 91 is used to fix the touch bar, which is arranged facing away from the front frame 60 in the front-rear direction X. The touch bar is a flexible material, commonly a rubber product, which can be elastically deformed. When the unmanned logistics vehicle collides in the front-rear direction X, the touch bar can withstand the impact before the front frame 60. When the impact force is greater than the absorption range of the touch bar, the gap between the second mounting portion 91 of the touch bar mounting frame 90 and the front frame 60 forms an avoidance space, so that the touch bar mounting frame 90 can be deformed. Further, when the second mounting portion 91 of the touch bar mounting frame 90 abuts against the front frame 60, the impact is absorbed by the anti-collision surface of the front frame 60. In this way, when a slight collision occurs, the contact between the touch bar and the obstacle forms a flexible contact, which is not easy to cause scratches or other collision damage.

[0069] Optionally, the exterior frame group also includes a lamp bracket 70, and two groups of lamp brackets 70 are arranged, symmetrically arranged on opposite sides of the front frame 60 in the left-right direction Y. The lamp bracket 70 includes a connecting vertical beam 71 and a second connecting longitudinal beam 72. The connecting vertical beam 71 is relatively fixed to the second connecting longitudinal beam 72, the connecting vertical beam 71 is fixed to the front frame 60, and the second connecting longitudinal beam 72 is fixedly connected to the connecting frame group 13.

[0070] Specifically, in this embodiment, a group of lamp brackets 70 includes two connecting vertical beams 71, which extend along the height direction Z and are fixed to the front frame 60 and form at least two fixed points arranged along the height direction Z on the front frame 60; the second connecting longitudinal beam 72 extends along the front-to-back direction X, one end of which is fixed to the connecting frame group 13, and the other end is fixed to the connecting vertical beam 71 through a connecting cross beam 73, so that the second connecting longitudinal beam 72 is used to limit the displacement of the lamp bracket 70 relative to the front frame 60 along the front-to-back direction X, and the connecting vertical beam 71 can limit the relative displacement of the lamp bracket 70 relative to the front frame 60 along the height direction Z and the left-right direction Y.

[0071] Optionally, the exterior frame group also includes a radar bracket, which includes a first radar bracket 81 and a second radar bracket 82. The first radar bracket 81 is fixed to the upper chassis frame 12, and two second radar brackets 82 are symmetrically arranged in the left and right direction Y and are respectively fixed to the lamp bracket 70 on the same side.

[0072] Specifically, the first radar bracket 81 is located in the middle of the upper chassis frame 12 in the left-right direction Y. The radar carried by the first radar bracket 81 is used to monitor the distance between the unmanned logistics vehicle and the vehicle in front. The second radar bracket 82 is fixed to the lamp bracket 70 and is located at the far end of the first radar bracket 81 in the left-right direction Y. The radar carried by the second radar bracket 82 is used to monitor the distance between the left and right sides of the unmanned logistics vehicle.

[0073] Furthermore, in the projection in the height direction Z, the projection areas of the two second radar brackets 82 are located within the projection areas of the touch bar mounting bracket 90 and the touch bar.

[0074] Optionally, the exterior frame assembly also includes a rear frame, and the rear frame is connected to a lamp bracket 70 and a radar bracket, and the connection method thereof is substantially the same as that of the front frame 60, which will not be described in detail herein.

[0075] Optionally, the exterior frame assembly further includes a kit box 52 , and the kit box 52 is detachably connected to the upper chassis frame 12 .

[0076] An unmanned logistics vehicle is also provided, comprising the above-mentioned chassis.

[0077] In addition, the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. Chassis, It is characterized in that include: Lower chassis frame (11); An upper chassis frame (12), the upper chassis frame (12) being located above the lower chassis frame (11) and spaced apart from the lower chassis frame (11); A connecting frame group (13), wherein the connecting frame group (13) fixes the upper chassis frame (12) and the lower chassis frame (11) in a height direction (Z); An exterior frame group, the exterior frame group comprises a plurality of side panel brackets (20), each group comprises two side panel brackets (20) symmetrical in a left-right direction (Y), the plurality of side panel brackets (20) are arranged in sequence along a front-back direction (X), the side panel brackets (20) comprise a fixing seat (21) and a support rod (22), the fixing seat (21) is fixed to a side of the upper chassis frame (12) facing away from the lower chassis frame (11), the support rod (22) extends along the left-right direction (Y), one axial end of the support rod (22) can be locked with the fixing seat (21), and the other end is used to fix the side panel, the support rod (22) comprises a first state of being locked with the fixing seat (21) and a second state of being relatively slidable with the fixing seat (21), and the support rod (22) is detachably connected to the fixing seat (21).

2. The chassis according to claim 1, It is characterized in that The fixing seat (21) comprises a first mounting portion (211), a first supporting portion (212) and a second supporting portion (213); the first mounting portion (211) is attached to and fixed to the upper chassis frame (12); the first supporting portion (212) and the second supporting portion (213) are both fixed to the first mounting portion (211) and are used to support the support rod (22); the first supporting portion (212) is provided with a mounting hole, a limiting block (2121) is protruded in the mounting hole, a limiting groove is provided at one axial end of the support rod (22) along its axial direction, the support rod (22) is inserted into the mounting hole, and the limiting groove is plugged into the limiting block (2121).

3. The chassis according to claim 2, It is characterized in that The second supporting portion (213) and the first supporting portion (212) are respectively fixed to the first mounting portion (211) on opposite sides of the left-right direction (Y), the first supporting portion (212) is perpendicular to the first mounting portion (211), the second supporting portion (213) and the first supporting portion (212) are arranged at an angle, the intersection of the angle is located on the side where the first mounting portion (211) is located, and the first supporting portions (212) of the side enclosure brackets (20) of the same group are arranged adjacent to each other.

4. The chassis according to claim 1, It is characterized in that The exterior frame assembly also includes a lifting support (30), a plurality of which are arranged along the front-to-rear direction (X), and are all fixed to the side of the upper chassis frame (12) facing away from the lower chassis frame (11). The lifting support (30) is used to install a cargo box, and the contact surface with the cargo box is located above the side enclosure bracket (20) in the height direction (Z).

5. The chassis according to claim 1, It is characterized in that The exterior frame assembly also includes a charging port mounting frame, the charging port mounting frame (40) is detachably connected to the upper chassis frame (12), and a mounting cavity (111) for loading a battery is formed between the upper chassis frame (12) and the lower chassis frame (11).

6. The chassis according to claim 1, It is characterized in that The exterior frame assembly also includes a mounting plate (51), the mounting plate (51) being used to mount a vehicle body controller, the mounting plate (51) being fixed to the upper chassis frame (12) in the left-right direction (Y) and being detachably connected to the upper chassis frame (12).

7. The chassis according to claim 1, It is characterized in that The exterior frame assembly also includes a front frame (60), the front frame (60) including a plurality of anti-collision beams (61) and a first connecting longitudinal beam (62), the plurality of anti-collision beams (61) are fixed to each other to form an anti-collision surface perpendicular to the front-rear direction (X), the upper side of the anti-collision surface is fixed to the upper chassis frame (12), and the lower side of the anti-collision surface is fixed to the lower chassis frame (11) via the first connecting longitudinal beam (62).

8. The chassis according to claim 7, It is characterized in that The exterior frame group also includes a lamp bracket (70), and the lamp bracket (70) is provided with two groups, which are symmetrically arranged on opposite sides of the front frame (60) in the left-right direction (Y), and the lamp bracket (70) includes a connecting vertical beam (71) and a second connecting longitudinal beam (72), the connecting vertical beam (71) and the second connecting longitudinal beam (72) are relatively fixed, the connecting vertical beam (71) is fixed to the front frame (60), and the second connecting longitudinal beam (72) is fixedly connected to the connecting frame group (13).

9. The chassis according to claim 8, It is characterized in that The exterior frame group also includes a radar bracket, and the radar bracket includes a first radar bracket (81) and a second radar bracket (82), wherein the first radar bracket (81) is fixed to the upper chassis frame (12), and two second radar brackets (82) are symmetrically arranged in the left-right direction (Y) and are respectively fixed to the lamp bracket (70) on the same side.

10. Unmanned logistics vehicles, It is characterized in that Comprising the chassis described in any one of claims 1-9.

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