An engineering vehicle sensor assembly and an engineering vehicle

Abstract

The application belongs to the technical field of engineering machinery, and particularly relates to an engineering vehicle sensor assembly and an engineering vehicle. The engineering vehicle sensor assembly comprises a laser radar group located at the front and rear of the engineering vehicle, a millimeter wave radar group located at the front and rear of the engineering vehicle, and a multi-frequency antenna group located at the left and right sides of the upper part of the front of the engineering vehicle. The application can provide a complete solution for the engineering vehicle.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of engineering machinery, and particularly relates to an engineering vehicle sensor assembly and an engineering vehicle. BACKGROUND

[0002] With the development of unmanned technology in the engineering machinery industry, radar modules are increasingly used for information collection in construction environments. The modules are generally installed on the front, rear, left, right and top of the vehicle. In the prior art, there is no complete solution for engineering vehicles.

[0003] There is an urgent need for an integrated solution for engineering vehicles. SUMMARY

[0004] To solve the problems in the prior art, the present application provides an engineering vehicle sensor assembly and an engineering vehicle, which can provide a complete solution for engineering vehicles.

[0005] To solve the problems in the prior art, the technical solution provided by the present application is as follows:

[0006] An engineering vehicle sensor assembly comprises a laser radar group located at the front and rear of the engineering vehicle, a millimeter wave radar group located at the front and rear of the engineering vehicle, and a multi-frequency antenna group located on the left and right sides of the upper part of the front of the engineering vehicle.

[0007] Preferably, the millimeter wave radar group comprises a millimeter wave radar group one located in the middle lower part of the front of the engineering vehicle and a millimeter wave radar group two located in the middle lower part of the rear of the engineering vehicle.

[0008] Alternatively, it comprises three millimeter wave radar groups two located in the center and on the left and right sides of the middle lower part of the front of the engineering vehicle and one millimeter wave radar group two located in the middle lower part of the rear of the engineering vehicle.

[0009] The millimeter wave radar group one is provided with three millimeter wave radars with different installation angles.

[0010] The millimeter wave radar group two is provided with one millimeter wave radar.

[0011] Preferably, the millimeter wave radar group one comprises a radar support base, a radar support assembly, a radar upper cover plate one and a hinge one.

[0012] The radar support base comprises a mounting bottom plate, a support plate and a rear plate. The mounting bottom plate is U-shaped, and the side surface is welded and fixed with the rear plate. The support plate is L-shaped, one side is welded and fixed with the rear plate, and the bottom is welded and fixed with the mounting bottom plate below. The outer side of the rear plate is welded and fixed with the engineering vehicle.

[0013] The radar support assembly comprises a horizontal support, a radar mounting plate one and three millimeter wave radars; the horizontal support is fixedly welded with the radar mounting plate one located above and a support plate located below; the radar mounting plate one protrudes outward and is provided with three radar mounting surfaces with an included angle of 120°, and an upper end is provided with a flange one inwardly;

[0014] One side of the radar upper cover plate one is hingedly connected with the upper end of the rear plate through the hinge one and is connected with the flange one through a bolt, and covers the bolt at the connection between the millimeter wave radar and the radar mounting surface.

[0015] Preferably, the millimeter wave radar group one further comprises an anti-theft lock one;

[0016] The anti-theft lock one is connected with the radar upper cover plate one;

[0017] A lock tongue pad block matched with a lock tongue of the anti-theft lock one is fixed on the bottom surface of the flange one.

[0018] Preferably, the millimeter wave radar group one further comprises a vehicle end adaptive support;

[0019] The vehicle end adaptive support is in an L shape, the bottom upper end surface is fixedly welded with the lower end surface of the mounting bottom plate, one side of the upper part is fixedly welded with the rear plate, and the other side is fixedly welded with the engineering vehicle.

[0020] Preferably, the millimeter wave radar group two comprises a radar upper cover plate two, a mounting base and one millimeter wave radar; the mounting base is in a U shape, one end is fixedly welded with the engineering vehicle, and the other end is connected with the millimeter wave radar through a bolt; the radar upper cover plate two is fixedly welded with the mounting base and is used for covering the mounting base.

[0021] Preferably, the laser radar group is provided with three groups and is located at the middle part of the vehicle head, the lower part of the vehicle head and the middle and lower parts of the vehicle tail of the engineering vehicle respectively;

[0022] Each laser radar group comprises a radar shell, a radar mounting plate two and a laser radar;

[0023] The radar shell comprises a main plate, a left baffle and a right baffle; the main plate is in a shape of a Chinese character 'fang', the back surface is fixedly welded with the engineering vehicle, and the left baffle and the right baffle which are symmetrically arranged and in a shape of a Chinese character 'fang' are fixedly welded with the two sides respectively;

[0024] The radar mounting plate two is fixedly welded with the main plate and is located in the radar shell;

[0025] The laser radar is connected with the radar mounting plate two through a bolt and is located in the radar shell.

[0026] Preferably, the laser radar group further comprises an anti-theft lock two;

[0027] The inner side of the radar mounting plate two is provided with a turned edge two for welding fixation with the main plate, the outer side is provided with a downward turned edge three for mounting the second anti-theft lock, the middle part is provided with a radar baffle for limiting the base of the laser radar and a notch for facilitating the rotation of the lock tongue of the second anti-theft lock;

[0028] The turned edge three is welded and fixed with the outer ends of the left baffle and the right baffle and is connected with the second anti-theft lock;

[0029] The lower end surface of the laser radar base is further provided with a slotted groove for cooperating with the lock tongue of the second anti-theft lock.

[0030] Preferably, the laser radar group further comprises a second anti-theft lock and an anti-theft cover;

[0031] The inner side of the radar mounting plate two is provided with a turned edge two for welding fixation with the main plate, the outer side is provided with a downward turned edge three for mounting the second anti-theft lock, the middle part is provided with a notch for facilitating the rotation of the lock tongue of the second anti-theft lock;

[0032] The anti-theft cover is rotationally connected with the radar mounting plate two and is provided with a slotted groove for cooperating with the lock tongue of the second anti-theft lock; when the second anti-theft lock is locked, the anti-theft cover can cover the bolts at the external connection between the laser radar and the radar mounting plate two.

[0033] Preferably, the multi-frequency antenna group is provided with two groups, which are respectively located on the left and right sides of the highest point of the vehicle head of the engineering vehicle; each group of multi-frequency antenna groups comprises a communication radar, an emergency brake radar and two radar fixing bases;

[0034] The radar fixing base comprises a fixed plate, a movable plate, a hinge two, a locking bolt and a third anti-theft lock; the fixed plate and the movable plate are hollow inside, and the fixed plate and the movable plate are assembled into a cylinder with a mounting hole on the upper surface, and the fixed plate is welded and fixed with the vehicle head of the engineering vehicle; one side of the fixed plate and the movable plate is connected through the hinge two, and the other side is locked through the third anti-theft lock;

[0035] The emergency brake radar is located in the cylinder composed of the fixed plate and the movable plate, and the upper part extends above the fixed plate and the movable plate through the mounting hole;

[0036] The communication radar is located in the cylinder composed of the fixed plate and the movable plate, and the upper part extends above the fixed plate and the movable plate through the mounting hole;

[0037] The locking bolt is connected with the upper end surface of the fixed plate and the movable plate and is used for pressing the bottom of the emergency brake radar and the communication radar.

[0038] An engineering vehicle comprising the engineering vehicle sensor assembly.

[0039] The engineering vehicle sensor assembly has the following beneficial effects:

[0040] The engineering vehicle sensor assembly provided by the application can provide a radar overall arrangement scheme for unmanned engineering machinery.

[0041] The engineering vehicle sensor assembly provided by the application solves the problem of sensor theft prevention.

[0042] The engineering vehicle sensor assembly provided by the application has a universal mounting component, is suitable for most mainstream sensor installation, has strong applicability to different engineering machinery, and is easy to use, disassemble and maintain. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1 The arrangement schematic view of the engineering vehicle sensor assembly provided by the application at the front of the vehicle;

[0044] Figure 2 The arrangement schematic view of the engineering vehicle sensor assembly provided by the application at the rear of the vehicle;

[0045] Figure 3 The radar coverage area of the engineering vehicle sensor assembly provided by the application;

[0046] Figure 4 The schematic view of the millimeter wave radar group provided by the application;

[0047] Figure 5 The exploded view of the millimeter wave radar group provided by the application;

[0048] Figure 6 The exploded view of the millimeter wave radar group provided by the application;

[0049] Figure 7 The exploded view of the radar support base provided by the application;

[0050] Figure 8 The exploded view of the radar support assembly provided by the application;

[0051] Figure 9 The schematic view of the laser radar group provided by the application;

[0052] Figure 10 The schematic view of the laser radar provided by the application;

[0053] Figure 11 The exploded view of the radar shell provided by the application;

[0054] Figure 12 The schematic view of the second radar mounting plate provided by the application;

[0055] Figure 13 The locking schematic view of the laser radar provided by the application;

[0056] Figure 14 Unlocked schematic diagram of laser radar provided for the present application;

[0057] Figure 15 Schematic diagram of the installation of communication radar provided for the present application;

[0058] Figure 16 Schematic diagram of the installation of emergency brake radar provided for the present application;

[0059] Figure 17 Schematic diagram of the radar fixing seat provided for the present application;

[0060] Figure 18 Schematic diagram of the millimeter wave radar group two provided for the present application;

[0061] Figure 19 Schematic diagram of the radar upper cover plate two provided for the present application;

[0062] Figure 20 Schematic diagram of the installation base provided for the present application;

[0063] Wherein,

[0064] 100 is a millimeter wave radar group one; 110 is a radar support base; 111 is a mounting bottom plate; 112 is a support plate; 113 is a back plate; 120 is a radar support assembly; 121 is a radar mounting plate one; 122 is a millimeter wave radar; 123 is a horizontal support; 124 is a lock tongue pad; 130 is a radar upper cover plate one; 140 is a hinge one; 150 is an anti-theft lock one; 160 is a car end adaptive support;

[0065] 200 is a laser radar group; 210 is a radar shell; 211 is a mainboard; 212 is a left baffle; 213 is a right baffle; 220 is a radar mounting plate two; 221 is a turned edge two; 222 is a radar baffle; 230 is an anti-theft lock two; 240 is an anti-theft sleeve; 250 is a laser radar;

[0066] 300 is a multi-frequency antenna group; 310 is a communication radar; 320 is an emergency brake radar; 330 is a radar fixing seat; 331 is a fixed plate; 332 is a movable plate; 333 is a hinge two; 334 is a locking bolt; 335 is an anti-theft lock three;

[0067] 400 is a millimeter wave radar group two; 410 is a radar upper cover plate two; 420 is an installation base; 430 is a millimeter wave radar;

[0068] 5 is a millimeter wave; 6 is a laser. DETAILED DESCRIPTION

[0069] The application will be further described in conjunction with the embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the application, and cannot be used to limit the protection scope of the application.

[0070] The application provides an engineering vehicle sensor assembly, referring to Figure 1 and Figure 2 , which comprises a laser radar group 200 arranged at the front and rear of the engineering vehicle, a millimeter wave radar group arranged at the front and rear of the engineering vehicle, and a multi-frequency antenna group 300 arranged at the left and right sides of the upper part of the front of the engineering vehicle.

[0071] In an optional embodiment of the application, referring to Figure 1 and Figure 2 , the millimeter wave radar group comprises a millimeter wave radar group one 100 arranged at the middle lower part of the front of the engineering vehicle and a millimeter wave radar group two 400 arranged at the middle lower part of the rear of the engineering vehicle. The millimeter wave radar group one 100 is provided with three millimeter wave radars with different installation angles, and the millimeter wave radar group two 400 is provided with one millimeter wave radar. At this time, the three millimeter wave radars of the front are installed on one bracket. Figure 2 In an optional embodiment of the application, referring to Figure 3 , the millimeter wave radar group comprises three millimeter wave radar groups two arranged at the center and the left and right sides of the middle lower part of the front of the engineering vehicle respectively and one millimeter wave radar group two 400 arranged at the middle lower part of the rear of the engineering vehicle. At this time, the three millimeter wave radars of the front are installed separately.

[0072] In an optional embodiment of the application, referring to Figures 4 to 6 , the millimeter wave radar group one 100 comprises a radar bracket base 110, a radar bracket assembly 120, a radar upper cover plate one 130 and a hinge one 140. Referring to Figure 7 , the radar bracket base 110 comprises a mounting bottom plate 111, a support plate 112 and a rear plate 113; the mounting bottom plate 111 is in a U shape, and the side surface is welded and fixed with the rear plate 113; the support plate 112 is in an L shape, one side is welded and fixed with the rear plate 113, and the bottom is welded and fixed with the mounting bottom plate 111 below; the outer side of the rear plate 113 is welded and fixed with the engineering vehicle. Figure 8The radar support assembly 120 comprises a horizontal support 123, a radar mounting plate 121 and three millimeter wave radars 122; the horizontal support 123 is welded and fixed with the radar mounting plate 121 located above and the support plate 112 located below; the radar mounting plate 121 protrudes outward and is provided with three radar mounting surfaces with an included angle of 120°, and an upper end is provided with a flange one inwardly; the millimeter wave radars 122 are connected with the radar mounting surfaces through bolts. Figure 4 and Figure 5 The radar upper cover plate one 130 is hingedly connected with the upper end of the rear plate 113 through a hinge one 140 on one side and is connected with the flange one through bolts, and covers the bolts at the connection between the millimeter wave radars 122 and the radar mounting surfaces. The support plate 112 has a sheet structure, which is convenient to replace, so as to be suitable for different models of radars.

[0073] In an optional embodiment of the present application, referring to Figure 4 , Figure 5 and Figure 8 The millimeter wave radar group one 100 further comprises an anti-theft lock one 150; the anti-theft lock one 150 is connected with the radar upper cover plate one 130; and a lock tongue pad 124 matched with the lock tongue of the anti-theft lock one 150 is fixed on the bottom surface of the flange one. In use, after the radar upper cover plate one is connected with the flange one through bolts, the radar upper cover plate one is further locked by the anti-theft lock one. Since the radar upper cover plate one covers the bolts at the connection between the millimeter wave radars and the radar mounting surfaces, the millimeter wave radars cannot be disassembled and thus stolen.

[0074] In an optional embodiment of the present application, referring to Figure 4 , Figure 5 The millimeter wave radar group one 100 further comprises a vehicle end adaptive support 160; the vehicle end adaptive support 160 is L-shaped, the bottom upper surface is welded and fixed with the lower end surface of the mounting bottom plate 111, one side of the upper part is welded and fixed with the rear plate 113, and the other side is welded and fixed with the engineering vehicle. The rear plate 113 has a large overall installation area, and the adaptability is low for different models of engineering vehicles. The vehicle end adaptive support can greatly enhance the universality of the millimeter wave radar group one as a bridge.

[0075] In an optional embodiment of the present application, referring to Figures 18 to 20 The millimeter wave radar group two 400 comprises a radar upper cover plate two 410, a mounting base 420 and one millimeter wave radar 430; the mounting base 420 is U-shaped, one end is welded and fixed with the engineering vehicle, and the other end is connected with the millimeter wave radar 430 through bolts; the radar upper cover plate two 410 is welded and fixed with the mounting base 420, and is used for covering the mounting base 420 and is provided with a slot for facilitating installation of the mounting base. The mounting base can also be fixed with the vehicle through bolts. The mounting base is relatively small in whole, and it is easy to find a plane on the engineering vehicle for installation, and the applicability is strong.

[0076] In an optional embodiment of the present invention, see Figure 1 and Figure 2 The lidar unit 200 consists of three groups, located at the center of the front of the engineering vehicle, the lower part of the front of the engineering vehicle, and the lower-middle part of the rear of the engineering vehicle. (See also...) Figure 9 , Figure 11 Each lidar group 200 includes a lidar housing 210, a second lidar mounting plate 220, and a lidar 250. The lidar is a multi-line lidar. The lidar housing 210 includes a main board 211, a left baffle 212, and a right baffle 213. The main board 211 is U-shaped, with its back side welded to the engineering vehicle, and its sides welded to the U-shaped, symmetrically arranged left baffle 212 and right baffle 213, respectively. The back of the main board 211 is a small flat surface, making it easy to find a flat surface on the engineering vehicle for installation, thus offering strong applicability. A vehicle-end adapter bracket 160 can also be designed as a bridge for welding the main board 211. The second lidar mounting plate 220 is welded to the main board 211 and is located inside the lidar housing 210. The lidar 250 is connected to the second lidar mounting plate 220 by bolts and is located inside the lidar housing 210. See also Figure 3 The lidar group 200 covers a horizontal field of view of 180° at the front and rear of the vehicle.

[0077] In an optional embodiment of the present invention, see Figures 9 to 12 The lidar assembly 200 also includes an anti-theft lock 230. The inner side of the lidar mounting plate 220 has a flange 221 for welding and fixing to the main board 211, and the outer side has a downward-facing flange 3 for installing the anti-theft lock 230. The middle section has a lidar baffle 222 for limiting the base of the lidar 250 and a slot for facilitating the rotation of the lock tongue of the anti-theft lock 230. The flange 3 is welded and fixed to the outer ends of the left baffle 212 and the right baffle 213, connecting to the anti-theft lock 230. The lower end face of the lidar 250 base also has a slot for engaging with the lock tongue of the anti-theft lock 230. In use, the lidar 250 base is inserted into the lidar baffle, and after fixing the lidar with bolts, the anti-theft lock 2 is locked. At this time, the lock tongue is engaged in the slot on the lower end face of the lidar 250 base, locking the lidar and making it difficult to steal.

[0078] In other embodiments of the invention, see Figure 13 and Figure 14 The lidar assembly 200 also includes a second anti-theft lock 230 and an anti-theft sleeve 240; the inner side of the second radar mounting plate 220 has a flange 2 for fixing to the main board, the outer side has a downward flange 3 for installing the second anti-theft lock, and the middle has a slot to facilitate the rotation of the lock tongue of the second anti-theft lock; the anti-theft sleeve 240 is rotatably connected to the second radar mounting plate 220 and has a slot to cooperate with the lock tongue of the second anti-theft lock 230; when the second anti-theft lock 230 is locked ( Figure 3), the anti-theft sleeve 240 can cover the bolt at the external connection between the laser radar 250 and the radar mounting plate two 220. At this time, the bolt at the connection between the laser radar and the radar mounting plate two cannot be disassembled, and has the anti-theft effect.

[0079] In an optional embodiment of the present application, referring to Figures 15 to 17 , the multi-frequency antenna group 300 is provided with two groups, which are respectively located on the left and right sides of the highest point of the vehicle head of the engineering vehicle; each group of the multi-frequency antenna group 300 includes a communication radar 310, an emergency brake radar 320 and two radar fixing seats 330; the radar fixing seat 330 includes a fixed plate 331, a movable plate 332, a hinge two 333, a locking bolt 334 and an anti-theft lock three 335; the fixed plate 331 and the movable plate 332 are hollow inside, the fixed plate 331 and the movable plate 332 are equal in height and symmetrically arranged, and are assembled into a cylinder with a mounting hole on the upper surface, and the fixed plate 331 is welded and fixed with the vehicle head of the engineering vehicle; one side of the fixed plate 331 and the movable plate 332 is connected through the hinge two 333, and the other side is locked through the anti-theft lock three 335; the bottom of the emergency brake radar 320 is located in the cylinder composed of the fixed plate 331 and the movable plate 332, and the upper part extends to above the fixed plate 331 and the movable plate 332 through the mounting hole; the bottom of the communication radar 310 is located in the cylinder composed of the fixed plate 331 and the movable plate 332, and the upper part extends to above the fixed plate 331 and the movable plate 332 through the mounting hole; the locking bolt 334 is connected with the upper end surface of the fixed plate 331 and the movable plate 332, and is used for pressing the bottom of the emergency brake radar 320 and the communication radar 310. The tail of the locking bolt can be sleeved with a silica gel sleeve to avoid scratching. The internal space of the radar fixing seat is relatively large, and the bottom of the emergency brake radar and the communication radar is pressed through the locking bolt, so that the radar fixing seat has good applicability to different emergency brake radars and communication radars.

[0080] The embodiment of the present application also provides an engineering vehicle including the engineering vehicle sensor assembly.

[0081] The above only describes the preferred embodiments of the present application, and it should be noted that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be considered as the protection scope of the present application.

Claims

1. An engineered vehicle sensor assembly, comprising: The laser radar group (200) is arranged at the front and rear of the engineering vehicle, the millimeter wave radar group is arranged at the front and rear of the engineering vehicle, and the multi-frequency antenna group (300) is arranged at the left and right sides of the upper part of the front of the engineering vehicle; The millimeter wave radar group includes a millimeter wave radar group one (100) arranged at the middle lower part of the front of the engineering vehicle and a millimeter wave radar group two (400) arranged at the middle lower part of the rear of the engineering vehicle; Alternatively, three millimeter wave radar group twos (400) are arranged at the central and left and right sides of the middle lower part of the front of the engineering vehicle respectively, and one millimeter wave radar group two (400) is arranged at the middle lower part of the rear of the engineering vehicle; The millimeter wave radar group one (100) is provided with three millimeter wave radars with different installation angles; The millimeter wave radar group two (400) is provided with one millimeter wave radar; The millimeter wave radar group one (100) includes a radar support base (110), a radar support assembly (120), a radar upper cover plate one (130), and a hinge one (140); The radar support base (110) includes a mounting bottom plate (111), a support plate (112), and a rear plate (113); the mounting bottom plate (111) is in a U shape, and the side surface is welded and fixed with the rear plate (113); the support plate (112) is in an L shape, one side is welded and fixed with the rear plate (113), and the bottom is welded and fixed with the mounting bottom plate (111) below; the outer side of the rear plate (113) is welded and fixed with the engineering vehicle; The radar support assembly (120) includes a horizontal support (123), a radar mounting plate one (121), and three millimeter wave radars (122); the horizontal support (123) is welded and fixed with the radar mounting plate one (121) above and the support plate (112) below; the radar mounting plate one (121) protrudes outward and is provided with three radar mounting surfaces with an included angle of 120°, and the upper end is provided with a flange one inward; the millimeter wave radars (122) are connected with the radar mounting surfaces through bolts; The radar upper cover plate one (130) is hingedly connected with the upper end of the rear plate (113) on one side through the hinge one (140) and is connected with the flange one through a bolt, and covers the bolt at the connection position of the millimeter wave radars (122) and the radar mounting surface.

2. An engineered vehicle sensor assembly as claimed in claim 1, wherein, The millimeter wave radar group one (100) further includes an anti-theft lock one (150); The anti-theft lock one (150) is connected with the radar upper cover plate one (130); A lock tongue pad block (124) matched with the lock tongue of the anti-theft lock one (150) is fixed on the bottom surface of the flange one.

3. An engineered vehicle sensor assembly as claimed in claim 1, wherein, The millimeter wave radar group one (100) further includes a vehicle end adaptive support (160); The vehicle end adaptive support (160) is in an L shape, the bottom end surface is welded and fixed with the lower end surface of the mounting bottom plate (111), one side of the upper part is welded and fixed with the rear plate (113), and the other side is welded and fixed with the engineering vehicle.

4. The vehicle sensor assembly of claim 1, wherein, The millimeter wave radar group two (400) comprises a radar upper cover plate two (410), a mounting base (420) and a millimeter wave radar (430); the mounting base (420) is in a U shape, one end is welded and fixed with the engineering vehicle, and the other end is connected with the millimeter wave radar (430) through bolts; the radar upper cover plate two (410) is welded and fixed with the mounting base (420) and is used for covering the mounting base (420).

5. An engineered vehicle sensor assembly as claimed in claim 1, wherein, The laser radar group (200) is provided with three groups, which are respectively located at the middle of the vehicle head, the lower part of the vehicle head and the middle and lower part of the vehicle tail of the engineering vehicle; Each laser radar group (200) comprises a radar shell (210), a radar mounting plate two (220) and a laser radar (250); The radar shell (210) comprises a main plate (211), a left baffle (212) and a right baffle (213); the main plate (211) is in a shape of a Chinese character 'fang', the back surface is welded and fixed with the engineering vehicle, and the two sides are welded and fixed with the left baffle (212) and the right baffle (213) which are in a shape of a Chinese character 'fang' and symmetrically arranged; The radar mounting plate two (220) is welded and fixed with the main plate (211) and is located in the radar shell (210); The laser radar (250) is connected with the radar mounting plate two (220) through bolts and is located in the radar shell (210).

6. An engineered vehicle sensor assembly as claimed in claim 5, wherein, The laser radar group (200) further comprises an anti-theft lock two (230); The inner side of the radar mounting plate two (220) is provided with a turned edge two (221) for being welded and fixed with the main plate (211), the outer side is provided with a downward turned edge three for mounting the anti-theft lock two (230), and the middle part is provided with a radar baffle (222) for limiting the base of the laser radar (250) and a slot for facilitating the rotation of the lock tongue of the anti-theft lock two (230); The turned edge three is welded and fixed with the outer ends of the left baffle (212) and the right baffle (213) and is connected with the anti-theft lock two (230); The lower end surface of the base of the laser radar (250) is further provided with a slotted groove for cooperating with the lock tongue of the anti-theft lock two (230).

7. An engineered vehicle sensor assembly as claimed in claim 5, wherein, The laser radar group (200) further comprises an anti-theft lock two (230) and an anti-theft sleeve (240); The inner side of the radar mounting plate two (220) is provided with a turned edge two for being fixed with the main plate (211), the outer side is provided with a downward turned edge three for mounting the anti-theft lock two (230), and the middle part is provided with a slot for facilitating the rotation of the lock tongue of the anti-theft lock two (230); The anti-theft sleeve (240) is rotationally connected with the radar mounting plate two (220) and is provided with a slotted groove for cooperating with the lock tongue of the anti-theft lock two (230); when the anti-theft lock two (230) is locked, the anti-theft sleeve (240) can cover the bolts at the external connection part of the laser radar (250) and the radar mounting plate two (220).

8. An engineered vehicle sensor assembly according to claim 1, wherein, The multi-frequency antenna group (300) is provided with two groups, which are respectively located at the left and right sides of the highest point of the vehicle head of the engineering vehicle; each multi-frequency antenna group (300) comprises a communication radar (310), an emergency brake radar (320) and two radar fixing seats (330); The radar fixing seat (330) comprises a fixed plate (331), a movable plate (332), a hinge two (333), a locking bolt (334) and an anti-theft lock three (335); the fixed plate (331) and the movable plate (332) are hollow inside, and the fixed plate (331) and the movable plate (332) are assembled into a cylinder with a mounting hole on an upper surface, and the fixed plate (331) is welded and fixed with the vehicle head of the engineering vehicle; one side of the fixed plate (331) and the movable plate (332) is connected through the hinge two (333), and the other side is locked through the anti-theft lock three (335); The emergency brake radar (320) is located in the cylinder composed of the fixed plate (331) and the movable plate (332) at the bottom, and extends to above the fixed plate (331) and the movable plate (332) through the mounting hole at the top; The communication radar (310) is located in the cylinder composed of the fixed plate (331) and the movable plate (332) at the bottom, and extends to above the fixed plate (331) and the movable plate (332) through the mounting hole at the top; The locking bolt (334) is connected with the upper end surface of the fixed plate (331) and the movable plate (332), and is used for pressing the bottom of the emergency brake radar (320) and the communication radar (310).

9. An engineering vehicle characterized by, The engineering vehicle sensor assembly comprises the engineering vehicle sensor assembly according to any one of claims 1-8.

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