Multi-axle unmanned all-terrain vehicle frame

Abstract

The invention relates to the technical field of all-terrain vehicle design, in particular to a multi-axle unmanned all-terrain vehicle frame. Comprising an upper frame, a bottom frame, a front frame, a rear frame, a front support frame, a middle support frame and a rear support frame, the upper frame comprises two upper longitudinal beams and four upper cross beams, and upper reinforcing ribs are arranged at the joints of the upper longitudinal beams and the upper cross beams; the bottom frame comprises three bottom longitudinal beams, four side beams and six bottom cross beams, and bottom reinforcing ribs are arranged at the joints of the bottom longitudinal beams, the side beams and the bottom cross beams; according to the structural form that the frame is wide in upper portion and narrow in lower portion and locally protrudes, the problem that the overall dimension or appearance modeling of the whole vehicle does not meet the requirement due to the fact that the size of an engine is large is solved, the frame type frame structure reduces the weight of the whole vehicle, improves the heat dissipation performance of the whole vehicle, is convenient to overhaul, and meanwhile can meet the using requirements of transportation, loading and serialization expansion.

Description

Technical Field

[0001] The invention relates to the technical field of all-terrain vehicle design, and in particular to a multi-axle unmanned all-terrain vehicle frame. Background Art

[0002] With the advancement of science and technology and people's love for outdoor activities, the application fields of all-terrain vehicles are becoming more and more extensive; from military reconnaissance, rescue and emergency to outdoor adventure and agricultural operations, all-terrain vehicles play an irreplaceable role; therefore, when designing all-terrain vehicles, it is necessary to fully consider their application scenarios and user needs to ensure that the vehicle has excellent passability, stability and durability. The lightweight multi-axle unmanned all-terrain vehicle is a type of all-terrain vehicle. It is a special vehicle that integrates lightweight, multi-axle drive, unmanned driving and all-terrain capabilities.

[0003] However, the current lightweight multi-axle unmanned all-terrain vehicles have a low degree of frame platformization, a heavy closed body, poor overall heat dissipation, and a large engine size that affects the overall size and appearance of the vehicle. Summary of the invention

[0004] The purpose of the present invention is to provide a multi-axle unmanned all-terrain vehicle frame, aiming to solve the technical problems in the prior art of the current lightweight multi-axle unmanned all-terrain vehicles, such as low frame platform degree, heavy closed body weight, poor overall heat dissipation and large engine dimensions that affect the overall vehicle dimensions and appearance.

[0005] To achieve the above-mentioned purpose, the present invention adopts a multi-axle unmanned all-terrain vehicle frame, including an upper frame, a bottom frame, a front frame, a rear frame, a front support frame, a middle support frame and a rear support frame; the upper frame includes two upper longitudinal beams and four upper cross beams, the two upper longitudinal beams are fixedly connected to the corresponding upper cross beams, and are symmetrically arranged at the two ends of the four upper cross beams, and upper reinforcing ribs are arranged at the connection between the upper longitudinal beams and the upper cross beams; the bottom frame includes three bottom longitudinal beams, four side beams and six bottom cross beams, the three bottom longitudinal beams are fixedly connected to the corresponding bottom cross beams, and are located at the six At both ends of the bottom cross beam, the four side beams are respectively fixedly connected to the corresponding bottom longitudinal beams and are located on the outside of the bottom longitudinal beam, and bottom reinforcing ribs are provided at the connections of the bottom longitudinal beam, the side beams and the bottom cross beam; the front frame is arranged at one end of the upper frame and the bottom frame, the rear frame is arranged at the other end of the upper frame and the bottom frame, the front support frame is arranged at the front position of the upper frame and the bottom frame, the middle support frame is arranged at the middle position of the upper frame and the bottom frame, and the rear support frame is arranged at the rear position of the upper frame and the bottom frame.

[0006] Among them, the inner side of the upper longitudinal beam has a recessed part and is arranged in a curved shape. The upper frame is provided with a self-driving platform mounting point, a radiator mounting point, a shock absorber mounting position, a power steering motor mounting beam, a power steering motor mounting point, a frame reinforcement beam mounting point, a fluid replenishment pot mounting point, a muffler mounting position, an upper radar mounting point, a three-axis EPS mounting position, an upper platform mounting point and a low-voltage relay mounting position.

[0007] Among them, the oil pan on the engine is lower than the upper surface of the side beam, and the three bottom longitudinal beams are respectively the first bottom longitudinal beam, the second bottom longitudinal beam and the third bottom longitudinal beam, wherein the second bottom longitudinal beam and the third bottom longitudinal beam are connected by the corresponding side beams, and the bottom frame is provided with an engine left mounting position, a suspension lower mounting position, a power steering motor mounting position, a power converter mounting position, an oil pipe three-way mounting position, an oil pipe four-way mounting position, a first water pump mounting position, a fuel tank support plate, a battery tray, a first-axis driver lower mounting position, a second-axis driver lower mounting position, a third-axis driver lower mounting position and a radiator lower mounting position.

[0008] Among them, the front frame is provided with a front bumper mounting point, a trailer bar connection point, a battery radiator mounting position, a front cover mounting position, a millimeter wave radar mounting point, an EHB mounting position and a front reinforcement rib.

[0009] Among them, the rear frame includes two rear longitudinal beams and a rear connecting plate, and the rear longitudinal beams are provided with a lower mounting point of the water filling pot. The two rear longitudinal beams are respectively fixedly connected to the rear connecting plate and are located at both ends of the rear connecting plate, and the two rear longitudinal beams are respectively arranged at the other end of the upper frame and the bottom frame.

[0010] Among them, the front support frame includes four front support beams and four front connecting beams, and the front support frame is provided with a front support cover mounting position, a fuel tank mounting point, a diesel filter mounting position, a first grounding mounting point, a second grounding mounting point, a steering gear mounting point, a first power battery mounting position, a brake regulator mounting position, a second water pump mounting position, a third water pump mounting position, a single-axis EPS mounting position, a combined servo controller mounting position and a two-axis driver upper mounting position, and the two-axis driver upper mounting position is provided with an oil cup mounting position, and the four front support beams are respectively fixedly connected to the corresponding front connecting beams and are arranged in an enclosed shape, and the four front support beams are respectively arranged at the front positions of the upper frame and the bottom frame.

[0011] Among them, the middle support frame includes four middle support beams and three middle connecting beams. The middle support frame is provided with a middle support cover mounting position, a two-axis EPS mounting position, a junction box mounting position, a steering gear mounting position, a steering gear mounting position connecting plate, a two-axis driver middle mounting point, an engine right mounting point, a support tube reinforcement rib and an engine support beam reinforcement tube. The four middle support beams are respectively fixedly connected to the corresponding middle connecting beams and are arranged in a C shape. The four middle support beams are respectively arranged at the middle position of the upper frame and the bottom frame.

[0012] Among them, the rear support frame includes two rear support beams and a rear connecting beam. The rear support frame is provided with an upper mounting position for the intercooler, a lower mounting position for the intercooler, an upper mounting position for the water filling kettle, and an upper mounting position for the three-axis drive. The two rear support beams are respectively fixedly connected to the rear connecting beam and are located at both ends of the rear connecting beam. The two rear support beams are also respectively arranged at the rear positions of the upper frame and the bottom frame.

[0013] Among them, the multi-axle unmanned all-terrain vehicle frame also includes a one-axle rocker frame, a two-axle rocker frame and a three-axle rocker frame, and the one-axle rocker frame, the two-axle rocker frame and the three-axle rocker frame are all composed of two rocker cross beams and a reinforcing tube, the rocker cross beam is provided with a suspension upper mounting position and an oil pipe joint fixing plate, the one-axle rocker frame is provided with a second power battery mounting position, the one-axle rocker frame and the two-axle rocker frame are both provided with a third grounding mounting point, the two-axle rocker frame is provided with an air filter mounting position, the three-axle rocker frame is provided with a rear fluid replenishment pot mounting position, the one-axle rocker frame is arranged at the front end of the upper frame and the bottom frame, the two-axle rocker frame is arranged at the middle end of the upper frame and the bottom frame, and the three-axle rocker frame is arranged at the rear end of the upper frame and the bottom frame.

[0014] Among them, top reinforcing ribs are provided at the connections between the front support frame, the middle support frame, the rear support frame and the upper frame, and middle reinforcing ribs are provided at the connections between the one-axis rocker frame, the two-axis rocker frame, the three-axis rocker frame and the front support frame, the middle support frame and the rear support frame.

[0015] A multi-axle unmanned all-terrain vehicle frame of the present invention comprises an upper frame, a bottom frame, a front frame, a rear frame, a front support frame, a middle support frame and a rear support frame; the upper frame comprises two upper longitudinal beams and four upper cross beams, and upper reinforcing ribs are arranged at the connection between the upper longitudinal beams and the upper cross beams; the bottom frame comprises three bottom longitudinal beams, four side beams and six bottom cross beams, and bottom reinforcing ribs are arranged at the connection between the bottom longitudinal beams, the side beams and the bottom cross beams; the frame of the present invention is wide at the top and narrow at the bottom, and the partially protruding structure solves the problem that the overall dimensions or appearance of the vehicle do not meet the requirements due to the large size of the engine. The frame-type frame structure reduces the weight of the vehicle, improves the heat dissipation of the vehicle and is easy to repair, and can meet the needs of transportation, installation and serial expansion use. In this way, the technical problems of the current light multi-axle unmanned all-terrain vehicles, such as low frame platform degree, heavy closed body weight, poor overall heat dissipation and large engine size affecting the overall dimensions and appearance of the vehicle, are effectively solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 these drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional stereogram of the frame of the multi-axle unmanned all-terrain vehicle of the present invention.

[0018] Figure 2 It is a top view of the frame of the multi-axle unmanned all-terrain vehicle of the present invention.

[0019] Figure 3 It is a left side view of the frame of the multi-axle unmanned all-terrain vehicle of the present invention.

[0020] Figure 4 It is a right side view of the frame of the multi-axle unmanned all-terrain vehicle of the present invention.

[0021] Figure 5 It is a structural schematic diagram of an upper frame in a multi-axle unmanned all-terrain vehicle frame of the present invention.

[0022] Figure 6 It is a schematic structural diagram of a bottom frame in a multi-axle unmanned all-terrain vehicle frame of the present invention.

[0023] Figure 7 It is a structural schematic diagram of the front frame of the multi-axle unmanned all-terrain vehicle frame of the present invention.

[0024] Figure 8 It is a schematic structural diagram of the rear frame of the multi-axle unmanned all-terrain vehicle frame of the present invention.

[0025] Fig. 9 It is a structural schematic diagram of a front support frame in a multi-axle unmanned all-terrain vehicle frame of the present invention.

[0026] Fig.10 It is a structural schematic diagram of a middle support frame of a multi-axle unmanned all-terrain vehicle frame of the present invention.

[0027] Fig.11 It is a schematic structural diagram of a rear support frame in a multi-axle unmanned all-terrain vehicle frame of the present invention.

[0028] Fig.12 It is a structural schematic diagram of a one-axis rocker arm frame, a two-axis rocker arm frame and a three-axis rocker arm frame in the multi-axis unmanned all-terrain vehicle frame of the present invention.

[0029] 1-Front cover mounting position, 2-upper crossbeam, 3-two-axis drive upper mounting position, 4-right engine mounting point, 5-low-voltage relay mounting position, 6-power steering motor mounting beam, 7-three-axis EPS mounting position, 8-three-axis drive upper mounting position, 9-muffler mounting position, 10-engine left mounting position, 11-fuel tank support plate, 12-front reinforcement rib, 13-one-axis drive lower mounting position, 14-first power battery mounting position, 15-battery tray, 16-two-axis drive lower mounting position, 17-three-axis drive lower mounting position, 18-radiator lower mounting position, 19-EHB mounting position, 20-suspension upper mounting position, 21-upper platform mounting point, 22-suspension lower mounting position, 23-Fuel tank installation point, 24-Top reinforcement rib, 25-Middle reinforcement rib, 26-Fluid filling pot installation point, 27-Upper reinforcement rib, 28-Self-driving platform installation point, 29-Frame reinforcement beam installation point, 30-Upper longitudinal beam, 31-Power steering motor installation point, 32-Radiator upper installation point, 33-Upper radar installation point, 34-Bottom cross beam, 35-First bottom longitudinal beam, 36-Oil pipe three-way installation position, 37-Power converter installation position, 38-Oil pipe four-way installation position, 39-First water pump installation position, 40-Third bottom longitudinal beam, 41-Bottom reinforcement rib, 42-Second bottom longitudinal beam, 43-Power steering motor installation position, 44-Front bumper installation point, 45-Battery radiator installation position, 46 -millimeter wave radar installation point, 47-trailer bar connection point, 48-rear longitudinal beam, 49-rear connecting plate, 50-water tank lower installation point, 51-first grounding installation point, 52-front connecting beam, 53-front support beam, 54-second water pump installation position, 55-second grounding installation point, 56-brake regulator installation position, 57-diesel filter installation position, 58-third water pump installation position, 59-front support cover installation position, 60-single-axle EPS installation position, 61-combined servo controller installation position, 62-steering gear installation point, 63-middle support beam, 64-junction box installation position, 65-middle connecting beam, 66-middle support cover installation position, 67-engine support beam reinforcement pipe, 68- Support tube reinforcement rib, 69-second-axis driver middle mounting point, 70-steering gear mounting connection plate, 71-steering gear mounting position, 72-second-axis EPS mounting position, 73-rear support beam, 74-rear connecting beam, 75-intercooler upper mounting position, 76-intercooler lower mounting position, 77-rocker crossbeam, 78-rocker crossbeam reinforcement tube, 79-third grounding mounting point, 80-oil pipe joint fixing plate, 81-air filter mounting position, 82-rear filling pot mounting position, 83-upper frame, 84-bottom frame, 85-front frame, 86-rear frame, 87-front support frame, 88-middle support frame, 89-rear support frame, 90-single-axis rocker frame, 91-two-axis rocker frame, 92-three-axis rocker frame. DETAILED DESCRIPTION

[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] See also Figures 1 to 12 The present invention provides a multi-axle unmanned all-terrain vehicle frame, including an upper frame 83, a bottom frame 84, a front frame 85, a rear frame 86, a front support frame 87, a middle support frame 88 and a rear support frame 89, wherein the upper frame 83 includes two upper longitudinal beams 30 and four upper cross beams 2, the two upper longitudinal beams 30 are respectively fixedly connected to the corresponding upper cross beams 2, and are symmetrically arranged at the two ends of the four upper cross beams 2, and upper reinforcing ribs 27 are arranged at the connection between the upper longitudinal beams 30 and the upper cross beams 2; the bottom frame 84 includes three bottom longitudinal beams, four side beams and six bottom cross beams 34, the three bottom longitudinal beams are respectively fixedly connected to the corresponding bottom cross beams 34, and are located at the six bottom cross beams At both ends of the upper frame 83 and the lower frame 84, the four side beams are respectively fixedly connected with the corresponding bottom longitudinal beams and are located on the outside of the bottom longitudinal beams, and the connection between the bottom longitudinal beams, the side beams and the bottom cross beam 34 is provided with bottom reinforcing ribs 41; the front frame 85 is arranged at one end of the upper frame 83 and the lower frame 84, the rear frame 86 is arranged at the other end of the upper frame 83 and the lower frame 84, the front support frame 87 is arranged at the front position of the upper frame 83 and the lower frame 84, the middle support frame 88 is arranged at the middle position of the upper frame 83 and the lower frame 84, and the rear support frame 89 is arranged at the rear position of the upper frame 83 and the lower frame 84.

[0032] In this embodiment, a strong and multifunctional frame structure is formed by the upper frame 83, the bottom frame 84, the front frame 85, the rear frame 86, the front support frame 87, the middle support frame 88, and the rear support frame 89, which can adapt to complex terrain and provide a stable support and driving platform. The upper frame 83 and the bottom frame 84 are fixedly connected by the upper longitudinal beam 30, the upper cross beam 2, the bottom longitudinal beam, the side beam and the bottom cross beam 34, thereby enhancing the strength and rigidity of the frame. The upper reinforcing ribs 27 and the bottom reinforcing ribs 41 further improve The load-bearing capacity and anti-deformation ability of the frame are improved. The frame of this design is wide at the top and narrow at the bottom, with partially protruding structure, which solves the problem that the vehicle's overall dimensions or appearance do not meet the requirements due to the large engine size. The frame-type frame structure reduces the weight of the vehicle, improves the heat dissipation of the vehicle and facilitates maintenance. At the same time, it can meet the needs of transportation, installation and serial expansion use. In this way, it effectively solves the current technical problems of light multi-axle unmanned all-terrain vehicles, such as low frame platformization, heavy closed body mass, poor overall heat dissipation, and large engine dimensions that affect the overall dimensions and appearance of the vehicle.

[0033] Furthermore, the inner side of the upper longitudinal beam 30 has a recessed portion and is arranged in a curved shape, and the upper frame 83 is provided with a self-driving platform mounting point 28, a radiator mounting point 32, a shock absorber mounting position, a power steering motor mounting beam 6, a power steering motor mounting point 31, a frame reinforcement beam mounting point 29, a fluid replenishment pot mounting point 26, a muffler mounting position 9, an upper radar mounting point 33, a three-axis EPS mounting position 7, an upper platform mounting point 21 and a low-voltage relay mounting position 5.

[0034] In this embodiment, the recessed portion and the curved shape help optimize the weight and strength ratio of the frame while providing sufficient space for installing various devices and components. At the same time, the multiple mounting positions on the upper frame 83 provide convenient installation locations for various devices and systems.

[0035] Furthermore, the oil pan on the engine is lower than the upper surface of the side beam, and the three bottom longitudinal beams are respectively the first bottom longitudinal beam 35, the second bottom longitudinal beam 42 and the third bottom longitudinal beam 40, wherein the second bottom longitudinal beam 42 and the third bottom longitudinal beam 40 are connected by the corresponding side beams, and the bottom frame 84 is provided with an engine left mounting position 10, a suspension lower mounting position 22, a power steering motor mounting position 43, a power converter mounting position 37, an oil pipe three-way mounting position 36, an oil pipe four-way mounting position 38, a first water pump mounting position 39, a fuel tank support plate 11, a battery tray 15, a first-axis drive lower mounting position 13, a second-axis drive lower mounting position 16, a third-axis drive lower mounting position 17 and a radiator lower mounting position 18.

[0036] In this embodiment, the design of the oil pan being lower than the upper surface of the side beam and higher than the lower surface of the side beam can protect the engine from damage by ground obstacles and save space; at the same time, the multiple mounting positions on the bottom frame 84 provide stable support for the vehicle's power system and control system.

[0037] Furthermore, the front frame 85 is provided with a front bumper mounting point 44, a trailer bar connection point 50, a battery radiator mounting position 45, a front cover mounting position 1, a millimeter wave radar mounting point 46, an EHB mounting position 19 and a front reinforcement rib 12.

[0038] Furthermore, the rear frame 86 includes two rear longitudinal beams 48 and a rear connecting plate 49, and a water bottle lower mounting point 50 is provided on the rear longitudinal beam 48. The two rear longitudinal beams 48 are respectively fixedly connected to the rear connecting plate 49 and are located at both ends of the rear connecting plate 49, and the two rear longitudinal beams 48 are respectively arranged at the other end of the upper frame 83 and the bottom frame 84.

[0039] In this embodiment, the front frame 85 and the rear frame 86 are designed to enhance the strength and stability of the front and rear ends of the frame, while providing various installation positions to meet different usage requirements.

[0040] Furthermore, the front support frame 87 includes four front support beams 53 and four front connecting beams 52, and the front support frame 87 is provided with a front support cover mounting position 59, a fuel tank mounting point 23, a diesel filter mounting position 57, a first grounding mounting point 51, a second grounding mounting point 55, a steering gear mounting point 62, a first power battery mounting position 14, a brake regulator mounting position 56, a second water pump mounting position 54, a third water pump mounting position 58, a single-axis EPS mounting position 60, a combined servo controller mounting position 61 and a two-axis driver upper mounting position 3, and the two-axis driver upper mounting position 3 is provided with an oil cup mounting position, and the four front support beams 53 are respectively fixedly connected to the corresponding front connecting beams and are arranged in an enclosed shape, and the four front support beams 53 are respectively arranged at the front positions of the upper frame 83 and the bottom frame 84.

[0041] Furthermore, the middle support frame 88 includes four middle support beams 63 and three middle connecting beams 65. The middle support frame 88 is provided with a middle support cover mounting position 66, a two-axis EPS mounting position 72, a junction box mounting position 64, a steering gear mounting position 71, a steering gear mounting position connecting plate 70, a two-axis driver middle mounting point 69, an engine right mounting point 4, a support tube reinforcement rib 68 and an engine support beam reinforcement tube 67. The four middle support beams 63 are respectively fixedly connected to the corresponding middle connecting beams 65 and are arranged in a C shape. The four middle support beams 63 are respectively arranged at the middle position of the upper frame 83 and the bottom frame 84.

[0042] Furthermore, the rear support frame 89 includes two rear support beams 73 and a rear connecting beam 74. The rear support frame 89 is provided with an upper mounting position 75 for the intercooler, a lower mounting position 76 for the intercooler, an upper mounting position for the water filling pot, and an upper mounting position 8 for the three-axis drive. The two rear support beams 73 are respectively fixedly connected to the rear connecting beam 74 and are located at both ends of the rear connecting beam 74. The two rear support beams 73 are also respectively arranged at the rear positions of the upper frame 83 and the bottom frame 84.

[0043] In this embodiment, the overall strength and rigidity of the frame are further enhanced by the provision of the front support frame 87, the middle support frame 88, and the rear support frame 89, while providing installation locations for various devices and systems. The special installation positions on the support frames help to optimize the layout and performance of the vehicle.

[0044] Furthermore, the multi-axle unmanned all-terrain vehicle frame also includes a one-axle rocker frame 90, a two-axle rocker frame 91 and a three-axle rocker frame 92, and the one-axle rocker frame 90, the two-axle rocker frame 91 and the three-axle rocker frame 92 are all composed of two rocker cross beams 77 and a reinforcing tube, the rocker cross beam 77 is provided with a suspension upper mounting position 20 and an oil pipe joint fixing plate 80, the one-axle rocker frame 90 is provided with a second power battery mounting position, the one-axle rocker frame 90 and the two A third grounding installation point 79 is provided on each of the axle rocker arms 91, an air filter installation position 81 is provided on the two-axis rocker arms 91, a rear fluid replenishment pot installation position 82 is provided on the three-axis rocker arms 92, the one-axis rocker arms 90 is provided at the front end of the upper frame 83 and the bottom frame 84, the two-axis rocker arms 91 are provided at the middle end of the upper frame 83 and the bottom frame 84, and the three-axis rocker arms 92 are provided at the rear end of the upper frame 83 and the bottom frame 84.

[0045] In this embodiment, the one-axis rocker frame 90, the two-axis rocker frame 91 and the three-axis rocker frame 92 provide a stable support for the vehicle's suspension system, and various mounting positions are provided to meet the needs of the suspension system. The special mounting positions on the rocker frame help to optimize the vehicle's energy and filtering systems.

[0046] Furthermore, top reinforcing ribs 24 are provided at the connections between the front support frame 87, the middle support frame 88, the rear support frame 89 and the upper frame 83, and middle reinforcing ribs 25 are provided at the connections between the one-axis rocker frame 90, the two-axis rocker frame 91, the three-axis rocker frame 92 and the front support frame 87, the middle support frame 88, the rear support frame 89.

[0047] In this embodiment, the strength and rigidity of the frame and the rocker frame are further enhanced by the provision of the top reinforcing ribs 24 and the middle reinforcing ribs 25, thereby improving the impact resistance and stability of the vehicle.

[0048] In this embodiment, the frame of the present invention is wide at the top and narrow at the bottom, with partially protruding structures, which solves the problem that the overall dimensions or appearance of the vehicle do not meet the requirements due to the large size of the engine. The frame-type frame structure reduces the weight of the vehicle, improves the heat dissipation of the vehicle and facilitates maintenance, while meeting the needs of transportation, installation and serial expansion. In this way, the technical problems of the current light multi-axle unmanned all-terrain vehicles, such as the low degree of frame platformization, heavy closed body mass, poor overall heat dissipation and large engine dimensions affecting the overall dimensions and appearance of the vehicle, are effectively solved.

[0049] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A multi-axle unmanned all-terrain vehicle frame, characterized in that: The vehicle body comprises an upper frame, an underframe, a front frame, a rear frame, a front support frame, a middle support frame and a rear support frame; the upper frame comprises two upper longitudinal beams and four upper cross beams, the two upper longitudinal beams are respectively fixedly connected to the corresponding upper cross beams and are symmetrically arranged at the two ends of the four upper cross beams, and upper reinforcing ribs are arranged at the connection between the upper longitudinal beams and the upper cross beams; the underframe comprises three bottom longitudinal beams, four side beams and six bottom cross beams, the three bottom longitudinal beams are respectively fixedly connected to the corresponding bottom cross beams and are located at the two ends of the six bottom cross beams, the four side beams are The beams are respectively fixedly connected to the corresponding bottom longitudinal beams and are located on the outside of the bottom longitudinal beams, and bottom reinforcing ribs are provided at the connections of the bottom longitudinal beams, the side beams and the bottom cross beams; the front frame is arranged at one end of the upper frame and the bottom frame, the rear frame is arranged at the other end of the upper frame and the bottom frame, the front support frame is arranged at the front position of the upper frame and the bottom frame, the middle support frame is arranged at the middle position of the upper frame and the bottom frame, and the rear support frame is arranged at the rear position of the upper frame and the bottom frame.

2. The multi-axle unmanned all-terrain vehicle frame according to claim 1, characterized in that: The inner side of the upper longitudinal beam has a recessed portion and is arranged in a curved shape. The upper frame is provided with a self-driving platform mounting point, a radiator mounting point, a shock absorber mounting position, a power steering motor mounting beam, a power steering motor mounting point, a frame reinforcement beam mounting point, a fluid replenishment pot mounting point, a muffler mounting position, an upper radar mounting point, a three-axis EPS mounting position, an upper platform mounting point and a low-voltage relay mounting position.

3. The multi-axle unmanned all-terrain vehicle frame according to claim 2, characterized in that: The oil pan on the engine is lower than the upper surface of the side beam, and the three bottom longitudinal beams are respectively the first bottom longitudinal beam, the second bottom longitudinal beam and the third bottom longitudinal beam, wherein the second bottom longitudinal beam and the third bottom longitudinal beam are connected by the corresponding side beams, and the bottom frame is provided with an engine left mounting position, a suspension lower mounting position, a power steering motor mounting position, a power converter mounting position, an oil pipe three-way mounting position, an oil pipe four-way mounting position, a first water pump mounting position, a fuel tank support plate, a battery tray, a first-axis driver lower mounting position, a second-axis driver lower mounting position, a third-axis driver lower mounting position and a radiator lower mounting position.

4. The multi-axle unmanned all-terrain vehicle frame according to claim 3, characterized in that: The front frame is provided with a front bumper mounting point, a trailer bar connection point, a battery radiator mounting position, a front cover mounting position, a millimeter wave radar mounting point, an EHB mounting position and a front reinforcement rib.

5. The multi-axle unmanned all-terrain vehicle frame according to claim 4, characterized in that: The rear frame includes two rear longitudinal beams and a rear connecting plate. The rear longitudinal beams are provided with a lower mounting point of the water filling pot. The two rear longitudinal beams are respectively fixedly connected to the rear connecting plate and are located at both ends of the rear connecting plate. The two rear longitudinal beams are respectively arranged at the other end of the upper frame and the bottom frame.

6. The multi-axle unmanned all-terrain vehicle frame according to claim 5, characterized in that: The front support frame includes four front support beams and four front connecting beams. The front support frame is provided with a front support cover mounting position, a fuel tank mounting point, a diesel filter mounting position, a first grounding mounting point, a second grounding mounting point, a steering gear mounting point, a first power battery mounting position, a brake regulator mounting position, a second water pump mounting position, a third water pump mounting position, a single-axis EPS mounting position, a combined servo controller mounting position and a two-axis driver upper mounting position. The two-axis driver upper mounting position is provided with an oil cup mounting position. The four front support beams are respectively fixedly connected to the corresponding front connecting beams and are arranged in an enclosed shape. The four front support beams are respectively arranged at the front positions of the upper frame and the bottom frame.

7. The multi-axle unmanned all-terrain vehicle frame according to claim 6, characterized in that: The middle support frame includes four middle support beams and three middle connecting beams. The middle support frame is provided with a middle support cover mounting position, a two-axle EPS mounting position, a junction box mounting position, a steering gear mounting position, a steering gear mounting position connecting plate, a two-axle driver middle mounting point, an engine right mounting point, a support tube reinforcement rib and an engine support beam reinforcement tube. The four middle support beams are respectively fixedly connected to the corresponding middle connecting beams and are arranged in a C shape. The four middle support beams are respectively arranged at the middle position of the upper frame and the bottom frame.

8. The multi-axle unmanned all-terrain vehicle frame according to claim 7, characterized in that: The rear support frame includes two rear support beams and a rear connecting beam. The rear support frame is provided with an upper mounting position for an intercooler, a lower mounting position for an intercooler, an upper mounting position for a water filling kettle, and an upper mounting position for a three-axis driver. The two rear support beams are respectively fixedly connected to the rear connecting beam and are located at both ends of the rear connecting beam. The two rear support beams are also respectively arranged at the rear positions of the upper frame and the bottom frame.

9. The multi-axle unmanned all-terrain vehicle frame according to claim 8, characterized in that: The multi-axle unmanned all-terrain vehicle frame also includes a one-axle rocker frame, a two-axle rocker frame and a three-axle rocker frame, and the one-axle rocker frame, the two-axle rocker frame and the three-axle rocker frame are all composed of two rocker cross beams and a reinforcing tube, the rocker cross beam is provided with a suspension upper mounting position and an oil pipe joint fixing plate, the one-axle rocker frame is provided with a second power battery mounting position, the one-axle rocker frame and the two-axle rocker frame are both provided with a third grounding mounting point, the two-axle rocker frame is provided with an air filter mounting position, the three-axle rocker frame is provided with a rear fluid replenishment pot mounting position, the one-axle rocker frame is arranged at the front end of the upper frame and the bottom frame, the two-axle rocker frame is arranged at the middle end of the upper frame and the bottom frame, and the three-axle rocker frame is arranged at the rear end of the upper frame and the bottom frame.

10. The multi-axle unmanned all-terrain vehicle frame according to claim 9, characterized in that: Top reinforcing ribs are provided at the connections between the front support frame, the middle support frame, the rear support frame and the upper frame, and middle reinforcing ribs are provided at the connections between the one-axis rocker frame, the two-axis rocker frame, the three-axis rocker frame and the front support frame, the middle support frame and the rear support frame.

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