An unmanned vehicle upper frame

Abstract

The present invention discloses an upper frame of an unmanned vehicle, which is fixed on the chassis of the unmanned vehicle, and includes: a rear frame, a top frame and a front frame, wherein the rear frame and the front frame are connected to form a whole through the top frame by means of screws, rivets, pins, etc.; the overall structure of the upper frame of the unmanned vehicle is symmetrical and each structure is made of stainless steel material with a relatively thin wall thickness. The upper frame of an unmanned vehicle of the present invention uses lightweight and thin-walled stainless steel materials for overall frame welding, which effectively reduces the emission of harmful gases; lightweight steel is used to wrap the entire vehicle under the condition of ensuring the overall strength of the frame, which greatly improves the ability of the entire vehicle to cope with external impacts; at the same time, the frame wrapped by the entire vehicle is convenient for installing other accessories, and the vehicle exterior parts, air conditioners, lamps and interior decorations can be fixed to the frame by means of screws or rivets.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned vehicles, and more particularly to an upper frame of an unmanned vehicle. Background Art

[0002] At present, the safety protection of the vehicle itself for the driver and passengers is mainly provided by metal profiles. Different numbers of columns are installed on the chassis, and then the corresponding sheet metal, glass and doors are installed with the columns as support to wrap the whole vehicle. The metal profile columns need to be surface treated, which will also cause the emission of harmful gases. In addition, when the vehicle faces external impact, the rigidity of the sheet metal is relatively low, the deformation will be relatively large, the glass is fragile, and the deformation of the sheet metal is also easy to cause mechanical failure and injury, etc., making it difficult to ensure the health and life safety of the passengers.

[0003] Therefore, how to effectively overcome the above-mentioned deficiencies in the current prior art has become an important research topic for those skilled in the art. Summary of the invention

[0004] To this end, the purpose of the present invention is to propose an upper frame of an unmanned vehicle, which is mainly used to fix the appearance, interior, air conditioning, interior lighting, doors, escape cabin, etc. of the vehicle, and at the same time provide necessary protection for the entire vehicle to resist external impact; its specific technical solution is as follows:

[0005] An upper frame of an unmanned vehicle is fixed on the chassis of the unmanned vehicle, comprising a rear frame, a top frame and a front frame respectively fixed on the vehicle chassis, the rear frame and the front frame being connected into a whole via the top frame; the upper frame of the unmanned vehicle has a symmetrical overall structure and each structure is made of stainless steel material with a relatively thin wall thickness.

[0006] The upper frame of an unmanned vehicle of the present invention adopts lightweight and thin-walled stainless steel materials for overall frame welding, which effectively reduces the emission of harmful gases; lightweight steel is used to wrap the entire vehicle under the condition of ensuring the overall strength of the frame, which greatly improves the ability of the entire vehicle to cope with external impacts; at the same time, the frame wrapped around the entire vehicle is convenient for installing other accessories, and the vehicle appearance parts, air conditioners, lamps and interior decorations can be fixed to the frame by screws or rivets.

[0007] Preferably, the rear frame includes two first arc-shaped main pipes, the bottom of which is welded with a first angle connector; a first connecting cross brace is welded between the tops of the two first arc-shaped main pipes; a first bent pipe is welded at the middle lower position of the first arc-shaped main pipe, and the first bent pipe is perpendicular or nearly perpendicular to the first arc-shaped main pipe; a first straight pipe is welded at one end of the first bent pipe, and a first angle steel is welded at the other end, and the first straight pipe and the corresponding other end of the first angle steel are also welded together; a rectangular plane formed by welding two second angle steels and a seat bottom support pipe is welded together at an angle to the plane formed by the first bent pipe, the first straight pipe and the first angle steel; a second bent pipe bent downward is welded at the highest arc point of the first arc-shaped main pipe, the second bent pipe wraps around both sides from the top, the top of the second bent pipe is connected to one end of a third bent pipe through the first connector, and the other end of the third bent pipe is welded to the outward end of the first straight pipe; a first connecting plate is welded at the bottom of the seat bottom support pipe; a second connecting plate is welded at the bottom of the second bent pipe, and a first armrest is installed at the lower end.

[0008] The two first arc-shaped main pipes and the first connecting cross brace constitute the door frame of the escape cabin, which can ensure that passengers can still pass normally after the escape cabin door is opened. In addition to the doors on both sides of the frame design of the present invention, an escape cabin manually operated in an emergency is also designed, which guarantees the health and life safety of passengers to the greatest extent.

[0009] Preferably, the top frame includes two straight round tubes arranged in parallel, and the two straight round tubes are connected to the upper ends of the corresponding two first arc-shaped main tubes through a first flat plate; a number of mounting carriers are correspondingly welded on each straight round tube and between the two straight round tubes.

[0010] The mounting carrier on the frame not only facilitates the installation of other accessories but also further strengthens the overall strength of the frame.

[0011] Preferably, the front frame includes two second arc-shaped main pipes, which extend in the direction of the straight circular tube, and the upper ends of the two second arc-shaped main pipes are connected to the corresponding two straight circular tubes through a second flat plate; a second angle connector is welded at the bottom of the second arc-shaped main pipe, a third angle steel is vertically welded in the middle, and a seat support bent pipe is welded at the lower part; a second connecting cross brace is welded between the tops of the two second arc-shaped main pipes; an upper seat support rod is welded between the ends of the two third angle steels away from the second arc-shaped main pipes; a fourth bent pipe bent downward is welded at the highest arc point of the second arc-shaped main pipe, the fourth bent pipe wraps around both sides from the top, the top of the fourth bent pipe is connected to one end of a fifth bent pipe through a second connecting piece, and a middle seat support rod is welded between the ends of the two fifth bent pipes away from the second connecting piece; the upper seat support rod is welded to the middle seat support rod and the lower seat support rod through several fourth angle steels to form an inclined surface; two third connecting plates are welded to the bottom of the lower seat support rod; a fourth connecting plate is welded to the bottom of the fourth bent pipe, and a second armrest is installed at the lower end.

[0012] The first corner connector, the first connecting plate, the second connecting plate, the second corner connector, the third connecting plate and the fourth connecting plate are all fixed to the vehicle chassis by screws to ensure that the entire frame is firmly installed on the vehicle chassis.

[0013] Preferably, the inclined bracket formed by welding the first bent pipe, the first straight pipe, the first angle steel, the second angle steel, and the seat bottom support pipe is used to install the rear seats; the inclined bracket formed by welding the upper seat support rod, the middle seat support rod, the lower seat support rod and the two seat support bent pipes is used to install the front seats; the front and rear rows of seat brackets are positioned relative to each other.

[0014] Preferably, a first supporting connecting plate is welded between the second curved pipe and the third curved pipe; a second supporting connecting plate is welded between the first curved pipe and the first straight pipe; and a third supporting connecting plate is welded between the fourth curved pipe and the fifth curved pipe.

[0015] The first supporting connecting plate, the second supporting connecting plate and the third supporting connecting plate each form a triangular bracket with the corresponding welded structure, that is, a triangular supporting structure is formed, so that the overall frame is more stable.

[0016] Preferably, the ends of the straight round tube connected to the corresponding first arc-shaped main pipe are provided with grooves, and the two ends of the first plate are respectively inserted into the two grooves, and then fixed between the straight round tube and the first arc-shaped main pipe by screws and rivets; the ends of the straight round tube connected to the corresponding second arc-shaped main pipe are also provided with grooves, and the two ends of the second plate are respectively inserted into the two grooves, and then fixed between the straight round tube and the second arc-shaped main pipe by screws and rivets. The connection structure of the first plate and the second plate is used to maintain the integrity of the connection between the rear frame, the top frame, and the front frame.

[0017] Preferably, the installation carrier includes a side lamp mounting plate, a detection device mounting plate, an air conditioning ventilation window mounting plate, a human-computer interaction screen mounting plate and a smoke detector mounting beam; four side lamp mounting plates are evenly welded on each straight round tube; a detection device mounting plate, a human-computer interaction screen mounting plate and a smoke detector mounting beam are welded between two straight round tubes, there are two detection device mounting plates and they are respectively close to the head and tail ends of the straight round tube, and each of the two detection device mounting plates is installed with an air conditioning ventilation window mounting plate by screws, and the human-computer interaction screen mounting plate and the smoke detector mounting beam are located in the middle position of the straight round tube.

[0018] The detection device mounting plate is used to install smoke detectors, sensors, etc.; the air conditioning ventilation window mounting plate is used to install the air conditioning ventilation grille and fix the ventilation duct; the human-computer interaction screen mounting plate is used to install the human-computer interaction screen and fix related cables.

[0019] Preferably, an air conditioner main body mounting plate is welded between the middle seat support rod and the lower seat support rod for mounting the main body of the air conditioner.

[0020] Preferably, the first handrail is installed on the second curved pipe by means of a clamp fixing method; the second handrail is installed on the fourth curved pipe by means of a clamp fixing method.

[0021] Preferably, the entire upper frame of the unmanned vehicle is made of 304 stainless steel.

[0022] It can be seen from the above technical solutions that, compared with the prior art, the present invention has the following beneficial effects:

[0023] (1) The frame of the present invention is made of 304 stainless steel as a whole, including stainless steel pipes and stainless steel plates. The stainless steel material can avoid the need for surface treatment of parts and components, thereby avoiding the emission of harmful substances.

[0024] (2) In the present invention, the stainless steel pipe and the stainless steel plate are made of materials with relatively thin wall thickness, thereby effectively reducing the weight of the frame.

[0025] (3) The present invention uses stainless steel pipes as the main body, and realizes the welding of the front, top and rear parts of the frame by splicing steel pipes and connecting steel pipes with sheet metal parts. The overall frame can be processed into different shapes according to the actual needs of the appearance, and the strength of the frame is enhanced by welding and the support of sheet metal parts.

[0026] (4) The front, top and rear frames of the present invention are connected into a whole by means of screw connection, riveting, pins, etc. and then installed on the chassis, forming an all-round wrapped space with the chassis. Lightweight steel is used to wrap the entire vehicle while ensuring the overall strength of the frame, which greatly improves the ability of the entire vehicle to cope with external impacts.

[0027] (5) Different types of stainless steel connectors can be welded on the frame stainless steel pipe of the present invention according to actual needs, and used to install exterior decorative panels, car seats, escape hatches, automatic doors, lamps, air conditioners, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] 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 embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0029] Figure 1 The present invention is a front view of an upper frame of an unmanned vehicle.

[0030] Figure 2 The figure is a top view of an upper frame of an unmanned vehicle according to the present invention.

[0031] Figure 3 The figure is a perspective view of an upper frame of an unmanned vehicle according to the present invention.

[0032] Figure 4 For the present invention Figure 2 Enlarged schematic diagram of part I.

[0033] Among them, in the figure,

[0034] 1-Rear frame,

[0035] 101-first arc-shaped main pipe, 102-first angle connector, 103-first connecting cross brace, 104-first curved pipe, 105-first straight pipe, 106-third curved pipe, 107-first connector, 108-second curved pipe, 109-first armrest, 110-first supporting connecting plate, 111-seat bottom supporting pipe, 112-first flat plate, 113-second connecting plate, 114-first connecting plate, 115-first angle steel, 116-second angle steel, 117-second supporting connecting plate;

[0036] 2-Front frame,

[0037] 201-second arc-shaped main pipe, 202-second angle connector, 203-seat lower support rod, 204-seat middle support rod, 205-air conditioner main body mounting plate, 206-seat support elbow, 207-seat upper support rod, 208-fifth elbow, 209-third support connecting plate, 210-second connector, 211-fourth elbow, 212-second handrail, 213-second connecting cross brace, 214-third connecting plate, 215-second flat plate, 216-third angle steel, 217-fourth angle steel, 218-fourth connecting plate;

[0038] 3- Top frame,

[0039] 301-straight round tube, 302-detection device mounting plate, 303-air conditioning ventilation window mounting plate, 304-human-computer interaction screen mounting plate, 305-smoke detector mounting beam, 306-side lamp mounting plate. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] According to the following Figure 1-4 The upper frame of the unmanned vehicle in a specific embodiment of the present invention is described in detail.

[0042] Example:

[0043] like Figure 1 As shown, an upper frame of an unmanned vehicle according to an embodiment of the present invention is fixed on the chassis of the unmanned vehicle, including a rear frame 1, a top frame 3 and a front frame 2 respectively fixed on the vehicle chassis, and the rear frame 1 and the front frame 2 are connected into a whole through the top frame 3 by means of screws, rivets, pins, etc.

[0044] Specifically,

[0045] like Figure 2 , Figure 3 As shown, the rear frame 1 includes two first arc-shaped main pipes 101, a first connecting cross brace 103 is welded between the tops of the two first arc-shaped main pipes 101, and no other connecting pipes are designed in the middle. The two first arc-shaped main pipes 101 and the first connecting cross brace 103 together constitute the door frame of the escape cabin, which is used to install the escape cabin door to ensure that the passengers can pass normally after the escape cabin door is opened.

[0046] A first bent pipe 104 is welded to the lower middle position of the first curved main pipe 101, and the first bent pipe 104 is perpendicular or nearly perpendicular to the first curved main pipe 101; one end of the first bent pipe 104 is welded to the first straight pipe 105, and the other end is welded to the first angle steel 115, and the other end of the first straight pipe 105 and the first angle steel 115 are also welded together; a rectangular plane formed by welding two second angle steels 116 and a seat bottom support pipe 111 is welded together at an angle to the plane formed by the first bent pipe 104, the first straight pipe 105, and the first angle steel 115, and the inclined bracket formed by the welding is used to install the rear seats.

[0047] A second supporting connecting plate 117 is welded between the first curved tube 104 and the first straight tube 105 . The second supporting connecting plate 117 , the first curved tube 104 and the first straight tube 105 form a triangular bracket, making the entire frame more stable.

[0048] A second curved pipe 108 that bends downward is welded at the highest arc point of the first curved main pipe 101. The second curved pipe 108 wraps around both sides from the top. The top of the second curved pipe 108 is connected to one end of a third curved pipe 106 through a first connecting piece 107, forming the arc-shaped top of the rear frame 1. The other end of the third curved pipe 106 is welded to the outward end of the first straight pipe 105.

[0049] A first supporting connecting plate 110 is welded between the second curved pipe 108 and the third curved pipe 106 . The first supporting connecting plate 110 , the second curved pipe 108 and the third curved pipe 106 form a triangular bracket, making the overall frame more stable.

[0050] The first angle connector 102 is welded to the bottom of the first arc-shaped main pipe 101, the first connecting plate 114 is welded to the bottom of the seat bottom support pipe 111, the second connecting plate 113 is welded to the bottom of the second curved pipe 108, and the first armrest 109 is installed at the lower end. The first angle connector 102, the first connecting plate 114, and the second connecting plate 113 are all fixed to the vehicle chassis by screws to ensure that the entire rear frame 1 is firmly fixed; at the same time, the two first armrests 109 are installed on the corresponding two second curved pipes 108 by clamping, ensuring the first armrests 109 are firmly fixed.

[0051] The remaining parts in the present invention are connected to the two first arc-shaped main pipes 101 and the second curved pipes 108 by welding to form a rear frame 1 for mounting a decorative panel on the exterior of the vehicle.

[0052] like Figure 2 , Figure 3As shown, the top frame 3 includes two straight round tubes 301 arranged in parallel, and the two straight round tubes 301 are connected to the upper ends of the corresponding two first arc-shaped main tubes 101 through the first flat plate 112; a number of mounting carriers are correspondingly welded on each straight round tube 301 and between the two straight round tubes 301.

[0053] Further, such as Figure 4 As shown, the ends of the straight round tube 301 connected to the corresponding first arc-shaped main tube 101 are both provided with grooves, and the two ends of the first flat plate 112 are respectively inserted into the two grooves, that is, the first flat plate 112 is first used as a pin for positioning, and then the first flat plate 112 is fixed between the straight round tube 301 and the first arc-shaped main tube 101 by screws and rivets, and the straight round tube 301 and the first arc-shaped main tube 101 are fastened together to maintain the integrity of the rear frame 1 and the top frame 3.

[0054] Furthermore, the installation carrier includes a side lamp mounting plate 306, a detection device mounting plate 302, an air conditioning ventilation window mounting plate 303, a human-computer interaction screen mounting plate 304 and a smoke detector mounting beam 305; four side lamp mounting plates 306 are evenly welded on each straight circular tube 301; a detection device mounting plate 302, a human-computer interaction screen mounting plate 304 and a smoke detector mounting beam 305 are welded between two straight circular tubes 301, there are two detection device mounting plates 302 and they are respectively close to the head end and the tail end of the straight circular tube 301, and each of the two detection device mounting plates 302 is installed with an air conditioning ventilation window mounting plate 303 by screws, and the human-computer interaction screen mounting plate 304 and the smoke detector mounting beam 305 are located in the middle position of the straight circular tube 301.

[0055] Among them, the detection device mounting plate 302 is used to install smoke detectors, sensors, etc.; the air conditioning ventilation window mounting plate 303 is used to install the air conditioning ventilation grille and fix the ventilation duct; the human-computer interaction screen mounting plate 304 is used to install the human-computer interaction screen and fix related cables.

[0056] All the mounting plates in the present invention are connected to the two straight round tubes 301 by welding, which strengthens the overall strength of the top frame 3 while fixing the position, and facilitates the installation of detection devices, screens, etc. The eight side lamp mounting plates 306 are evenly distributed on the two straight round tubes 301 by welding and are used to fix the internal lamps.

[0057] like Figure 2 , Figure 3 As shown, the front frame 2 includes two second arc-shaped main pipes 201 , which extend toward the straight round pipes 301 , and the upper ends of the two second arc-shaped main pipes 201 are connected to the corresponding two straight round pipes 301 through the second flat plate 215 .

[0058] Furthermore, grooves are also provided at the ends of the straight round tube 301 connected to the corresponding second arc-shaped main tube 201, and the two ends of the second flat plate 215 are respectively inserted into the two grooves, that is, the second flat plate 215 is first used as a pin for positioning, and then the second flat plate 215 is fixed between the straight round tube 301 and the second arc-shaped main tube 201 by screws and rivets, and the straight round tube 301 and the second arc-shaped main tube 201 are fastened together to maintain the integrity of the front frame 2 and the top frame 3.

[0059] A third angle steel 216 is vertically welded to the middle of the second arc-shaped main pipe 201, and a seat support bent pipe 206 is welded to the lower part; a second connecting cross brace 213 is welded between the tops of the two second arc-shaped main pipes 201; an upper seat support rod 207 is welded between the ends of the two third angle steels 216 away from the second arc-shaped main pipe 201; a fourth bent pipe 211 bent downward is welded at the highest arc point of the second arc-shaped main pipe 201, and the fourth bent pipe 211 wraps both sides from the top. The top of the fourth bent pipe 211 is connected to one end of a fifth bent pipe 208 through a second connecting piece 210, forming the arc-shaped top of the front frame 2, and a middle seat support rod 204 is welded between the ends of the two fifth bent pipes 208 away from the second connecting piece 210; the upper seat support rod 207 is welded to the middle seat support rod 204 and the lower seat support rod 203 through several fourth angle steels 217 to form an inclined surface.

[0060] The inclined bracket formed by welding the upper seat support rod 207, the middle seat support rod 204, the lower seat support rod 203 and two seat support bent pipes 206 is used to install the front seat, and the front seat bracket is opposite to the rear seat bracket on the rear frame 1.

[0061] Furthermore, an air conditioner main body mounting plate 205 is welded between the middle seat support rod 204 and the lower seat support rod 203 .

[0062] A third supporting connecting plate 209 is welded between the fourth curved pipe 211 and the fifth curved pipe 208 . The third supporting connecting plate 209 , the fourth curved pipe 211 and the fifth curved pipe 208 form a triangular bracket, making the overall frame more stable.

[0063] The second angle connector 202 is welded to the bottom of the second arc-shaped main pipe 201, and two third connecting plates 214 are welded to the bottom of the seat lower support rod 203; the fourth connecting plate 218 is welded to the bottom of the fourth curved pipe 211, and the second armrest 212 is installed at the lower end. The second angle connector 202, the third connecting plate 214, and the fourth connecting plate 218 are all fixed to the vehicle chassis by screws to ensure that the entire front frame 2 is firmly fixed; at the same time, the two second armrests 212 are installed on the corresponding two fourth curved pipes 211 by means of clamp fixing, ensuring the second armrests 212 are firmly fixed.

[0064] The remaining parts in the present invention are connected to the two second arc-shaped main pipes 201 and the fourth curved pipe 211 by welding to form a front frame 2 for mounting the decorative panels, air conditioning ducts and related cable fixation on the exterior of the vehicle.

[0065] The overall structure of the upper frame of the unmanned vehicle of the present invention is symmetrical, and each structure is made of 304 stainless steel, which effectively reduces the emission of harmful gases. The corresponding stainless steel pipes and stainless steel plates in each frame are preferably made of thinner wall materials. Lightweight steel is used to wrap the entire vehicle while ensuring the overall strength of the frame, which greatly improves the ability of the entire vehicle to cope with external impacts and effectively reduces the weight of the frame. The frame wrapped around the entire vehicle is also convenient for installing other accessories. The vehicle exterior parts, air conditioners, lamps and interior decorations can be fixed to the frame by screws or rivets. The installation carrier on the frame can not only facilitate installation but also further enhance the overall strength of the frame.

[0066] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An upper frame of an unmanned vehicle, fixed on the chassis of the unmanned vehicle, characterized in that: The unmanned vehicle comprises a rear frame (1), a top frame (3) and a front frame (2) which are respectively fixed on a vehicle chassis, wherein the rear frame (1) and the front frame (2) are connected to form a whole through the top frame (3); the overall structure of the upper frame of the unmanned vehicle is symmetrical and each structure is made of stainless steel material with a relatively thin wall thickness; The rear frame (1) comprises two first curved main pipes (101), the bottom of the first curved main pipes (101) being welded with a first angle connector (102); a first connecting cross brace (103) being welded between the tops of the two first curved main pipes (101); a first curved pipe (104) being welded at the middle lower position of the first curved main pipes (101), and the first curved pipe (104) being perpendicular or nearly perpendicular to the first curved main pipes (101); a first straight pipe (105) being welded at one end of the first curved pipe (104), and a first angle steel (115) being welded at the other end, and the first straight pipe (105) and the first angle steel (115) being also welded together at the other end; a rectangular plane formed by welding two second angle steels (116) and a seat bottom support pipe (111) together with the first curved pipe (104) and the first straight pipe (115) is connected to the first curved pipe (104) and the first straight pipe (115). The planes formed by the first angle steel (105) and the first angle steel (115) are welded together at an angle; a second curved pipe (108) bent downward is welded at the highest arc point of the first curved main pipe (101), the second curved pipe (108) wraps around both sides from the top, the top of the second curved pipe (108) is connected to one end of a third curved pipe (106) through a first connecting piece (107), and the other end of the third curved pipe (106) is welded to the outward end of the first straight pipe (105); a first connecting plate (114) is welded to the bottom of the seat bottom support pipe (111); a second connecting plate (113) is welded to the bottom of the second curved pipe (108), and a first handrail (109) is installed at the lower end; the first angle connecting piece (102), the first connecting plate (114), and the second connecting plate (113) are all fixed to the vehicle chassis by screws; The top frame (3) comprises two straight round tubes (301) arranged in parallel, the two straight round tubes (301) being connected to the upper ends of the corresponding two first arc-shaped main tubes (101) via a first flat plate (112); a plurality of mounting carriers are correspondingly welded on each straight round tube (301) and between the two straight round tubes (301); The front frame (2) comprises two second arc-shaped main pipes (201), the second arc-shaped main pipes (201) extending in the direction of the straight round pipes (301), and the upper ends of the two second arc-shaped main pipes (201) are connected to the corresponding two straight round pipes (301) via a second flat plate (215); a second angle connector (202) is welded to the bottom of the second arc-shaped main pipe (201), a third angle steel (216) is vertically welded to the middle, and a seat support bent pipe (206) is welded to the bottom; a second connecting cross brace (213) is welded between the tops of the two second arc-shaped main pipes (201); a seat upper support rod (207) is welded between the ends of the two third angle steels (216) away from the second arc-shaped main pipes (201); a fourth bent pipe (211) bent downward is welded at the highest arc point of the second arc-shaped main pipe (201), and the fourth bent pipe (211) is welded to the bottom. The tube (211) wraps around both sides from the top; the top of the fourth curved tube (211) is connected to one end of a fifth curved tube (208) through a second connecting piece (210); a middle seat support rod (204) is welded between the ends of the two fifth curved tubes (208) away from the second connecting piece (210); the upper seat support rod (207) is welded to the middle seat support rod (204) and the lower seat support rod (203) through a plurality of fourth angle steels (217) to form an inclined surface; two third connecting plates (214) are welded to the bottom of the lower seat support rod (203); a fourth connecting plate (218) is welded to the bottom of the fourth curved tube (211), and a second handrail (212) is installed at the lower end; the second angle connecting piece (202), the third connecting plate (214), and the fourth connecting plate (218) are all fixed to the vehicle chassis by screws.

2. The unmanned vehicle upper frame according to claim 1, characterized in that: The inclined bracket formed by welding the first curved tube (104), the first straight tube (105), the first angle steel (115), the second angle steel (116) and the seat bottom support tube (111) is used for installing the rear row seats; the inclined bracket formed by welding the upper seat support rod (207), the middle seat support rod (204), the lower seat support rod (203) and the two seat support curved tubes (206) is used for installing the front row seats; the front and rear row seat brackets are positioned relative to each other.

3. The unmanned vehicle upper frame according to claim 1, characterized in that: A first supporting connecting plate (110) is welded between the second curved pipe (108) and the third curved pipe (106); a second supporting connecting plate (117) is welded between the first curved pipe (104) and the first straight pipe (105); and a third supporting connecting plate (209) is welded between the fourth curved pipe (211) and the fifth curved pipe (208).

4. The unmanned vehicle upper frame according to claim 1, characterized in that: The ends of the straight round tube (301) connected to the corresponding first arc-shaped main tube (101) are provided with grooves, and the two ends of the first plate (112) are respectively inserted into the two grooves and then fixed between the straight round tube (301) and the first arc-shaped main tube (101) by means of screws and rivets; the ends of the straight round tube (301) connected to the corresponding second arc-shaped main tube (201) are also provided with grooves, and the two ends of the second plate (215) are respectively inserted into the two grooves and then fixed between the straight round tube (301) and the second arc-shaped main tube (201) by means of screws and rivets.

5. The unmanned vehicle upper frame according to claim 1, characterized in that: The mounting carrier comprises a side lamp mounting plate (306), a detection device mounting plate (302), an air conditioning ventilation window mounting plate (303), a human-machine interaction screen mounting plate (304), and a smoke detector mounting crossbeam (305); four side lamp mounting plates (306) are evenly welded on each straight round tube (301); a detection device mounting plate (302), a human-machine interaction screen mounting plate (304), and a smoke detector mounting crossbeam (305) are welded between two straight round tubes (301); there are two detection device mounting plates (302) and they are respectively close to the head end and the tail end of the straight round tube (301); an air conditioning ventilation window mounting plate (303) is respectively mounted on the two detection device mounting plates (302) by means of screws; the human-machine interaction screen mounting plate (304) and the smoke detector mounting crossbeam (305) are located in the middle of the straight round tube (301).

6. The unmanned vehicle upper frame according to claim 1, characterized in that: An air conditioner main body mounting plate (205) is welded between the middle seat support rod (204) and the lower seat support rod (203).

7. The unmanned vehicle upper frame according to claim 1, characterized in that: The first handrail (109) is mounted on the second curved pipe (108) by means of a clamp fixing method; and the second handrail (212) is mounted on the fourth curved pipe (211) by means of a clamp fixing method.

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