Mounting structure of sensing element of unmanned heavy truck

Abstract

The utility model relates to the technical field of mounting brackets, and discloses a mounting structure of an unmanned heavy truck sensing element, which comprises a U-shaped mounting frame, a rotating motor is embedded in the inner wall of one end of the U-shaped mounting frame, an output shaft of the rotating motor penetrates through the U-shaped mounting frame and then is fixedly connected with a mounting shell, and the bottom of the mounting shell is in sliding connection with the U-shaped mounting frame. A mounting cavity is formed in the side, away from the U-shaped mounting frame, of the mounting shell, and a laser radar is connected into the mounting cavity. According to the installation structure of the unmanned heavy truck sensing element, the unmanned heavy truck control system controls and starts the rotating motor, the installation shell and the laser radar installed in the cavity of the installation shell are driven to rotate on the U-shaped installation frame, and therefore when the unmanned heavy truck steers, the laser radar can rotate on the U-shaped installation frame; the laser detection direction of the laser radar is rotated to the steering driving direction, so that the steering driving road can be sensed and detected, collision during steering driving is avoided, and the driving safety of the unmanned heavy truck is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mounting brackets, in particular to a mounting structure for a sensing element of an unmanned heavy truck. Background Art

[0002] Autonomous heavy-duty trucks are heavy-duty trucks equipped with autonomous driving technology. Their purpose is to reduce labor costs, improve transportation efficiency, enhance road safety, and mitigate environmental pollution. With the continuous advancement of technology and the growing market demand, autonomous heavy-duty trucks are gradually becoming a major development trend in the logistics industry. In these autonomous heavy-duty trucks, sensing components play a core role in achieving autonomous driving. These components include but are not limited to laser radar (LIDAR), cameras, millimeter-wave radar, and ultrasonic sensors. Working together, they provide the vehicle with detailed information about its surroundings, ensuring safe autonomous driving.

[0003] The patent, currently published with the announcement number CN211442177U, discloses a bracket for mounting sensor elements on the rear of unmanned heavy trucks. The bracket has an inverted U-shaped cross-section and comprises an upper horizontal plate, a vertical plate, and a lower horizontal plate connected sequentially from top to bottom. A camera mounting plate is provided on the lower side of the outer end of the upper horizontal plate, and the camera mounting plate is tilted downward. The lower horizontal plate is provided with multiple first connection holes for connecting to a lidar. The camera mounting plate is provided with a through hole, the shape and size of which match the cross-sectional shape and size of a visual camera. Multiple second connection holes for connecting to the visual camera are provided around the through hole. The bracket has a simple structure, occupies little space, and allows for a reasonable arrangement of sensor elements, ensuring that detection signals between sensor elements do not affect each other.

[0004] However, the sensor mounting structure in the aforementioned technology still presents a problem: LiDAR typically only has a horizontal coverage area of ​​approximately 100 degrees, which limits its ability to simultaneously cover both left and right areas when detecting heavy trucks in front of it, resulting in a relatively limited detection range. This is particularly true when heavy trucks are turning or changing direction, as the inability to effectively and promptly detect environmental conditions in the direction of the turn significantly increases the risk of a collision. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides an installation structure for an unmanned heavy-duty truck sensing element, which can sense the environmental conditions in the steering direction in real time when the heavy-duty truck is turning, thereby effectively reducing or even avoiding the occurrence of collision accidents.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an installation structure for an unmanned heavy-duty truck sensing element, comprising a U-shaped mounting frame, wherein a rotating motor is embedded in the inner wall of one end of the U-shaped mounting frame, and the output shaft of the rotating motor passes through the U-shaped mounting frame and is fixedly connected to a mounting shell, the bottom of the mounting shell is slidably connected to the U-shaped mounting frame, and an installation cavity is opened on the side of the mounting shell away from the U-shaped mounting frame, and a laser radar is connected in the installation cavity.

[0007] Furthermore, a first wire hole communicating with the mounting cavity is formed on a side of the mounting shell away from the mounting cavity.

[0008] Furthermore, a sealing ring is fixedly connected to one side of the mounting shell close to the first wire hole, and the sealing ring is in communication with the first wire hole.

[0009] Furthermore, a second wire hole is formed through the side wall of the U-shaped mounting frame.

[0010] Furthermore, a cover is connected to the side of the mounting shell away from the U-shaped mounting frame, a through hole is provided through the middle of the cover, the laser emission port of the laser radar faces the through hole, and the cover is butted against the end of the laser radar.

[0011] Furthermore, a light-transmitting protective plate is fixedly connected to the perforated inner wall.

[0012] Furthermore, the edge of the cover is detachably connected to the mounting shell via a plurality of bolts.

[0013] Furthermore, an extrusion spring is fixedly connected to the inner wall of the end of the installation cavity, and the other end of the extrusion spring is fixedly connected to an extrusion plate. The other side of the extrusion plate is against the laser radar, and a through hole is opened in the middle of the extrusion plate.

[0014] Furthermore, a plurality of limiting grooves are provided in the installation cavity, a plurality of limiting blocks are fixedly connected to the outer wall of the extrusion plate, and the plurality of limiting blocks are slidably connected to the plurality of limiting grooves respectively.

[0015] Furthermore, a plurality of heat dissipation fins are fixedly connected to an outer side wall of the mounting housing at one end away from the rotating motor.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The installation structure of the unmanned heavy-duty truck sensing element starts a rotating motor controlled by the unmanned heavy-duty truck control system, driving the mounting shell and the laser radar installed inside the cavity of the mounting shell to rotate on the U-shaped mounting frame. When the unmanned heavy-duty truck turns, the laser detection direction of the laser radar is rotated toward the turning direction, so that the turning road can be sensed and detected, collisions during turning can be avoided, and the driving safety of the unmanned heavy-duty truck can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall appearance and connection structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the connection structure of the present invention from another angle;

[0020] Figure 3 This is an exploded schematic diagram of the housing connection structure for mounting the utility model;

[0021] Figure 4 This is a cross-sectional view of the connection structure of the mounting housing of the utility model from another angle;

[0022] Figure 5 Based on Figure 4 Exploded diagram of part of the connection structure.

[0023] In the figure: 1. U-shaped mounting frame; 2. Mounting shell; 3. LiDAR; 4. Rotating motor; 5. Cover; 6. Transparent protective plate; 7. Extrusion spring; 8. Extrusion plate; 9. Limit block; 10. Heat dissipation fin; 11. Sealing ring; 101. Second wire hole; 201. Mounting cavity; 202. First wire hole; 203. Limit groove; 501. Through hole; 801. Through hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] See also Figures 1 to 5 A mounting structure for an unmanned heavy-duty truck sensing element includes a U-shaped mounting frame 1. A rotating motor 4 is embedded in the inner wall of one end of the U-shaped mounting frame 1. The output shaft of the rotating motor 4 passes through the U-shaped mounting frame 1 and is fixedly connected to a mounting shell 2. The bottom of the mounting shell 2 is slidably connected to the U-shaped mounting frame 1. A mounting cavity 201 is opened on the side of the mounting shell 2 away from the U-shaped mounting frame 1. A laser radar 3 is connected inside the mounting cavity 201.

[0026] like Figures 1 to 5 As shown, the installation structure of an unmanned heavy truck sensing element in the present invention is similar to the existing installation structure of an unmanned heavy truck sensing element, such as a bracket for installing an unmanned heavy truck tail sensing element disclosed in patent publication number CN211442177U. The main improvement of the present invention is that it can sense and detect the steering direction of the unmanned heavy truck, thereby improving the safety of the unmanned heavy truck steering. Figures 1 to 5As shown, when the installation structure of the unmanned heavy-duty truck sensing element in the present invention is in use, the U-shaped mounting frame 1 is installed at the bottom of the front end or the bottom of the rear end of the unmanned heavy-duty truck. When the unmanned heavy-duty truck needs to turn or change lanes during driving, the control system of the unmanned heavy-duty truck synchronously controls the rotating motor 4 to drive the mounting shell 2 to rotate in the direction of turning or changing lanes, so that the monitoring end of the internally installed laser radar 3 is directed toward the direction of turning or changing lanes for monitoring, and provides alarm feedback when an obstacle is detected, thereby avoiding collision accidents when the unmanned heavy-duty truck turns or changes lanes. It should be noted that if installed at the bottom of the front end of the heavy-duty truck, the monitoring direction rotation direction of the laser radar 3 is consistent with the turning and changing lanes direction of the heavy-duty truck. If installed at the bottom of the rear end of the heavy-duty truck, the monitoring direction rotation direction of the laser radar 3 is opposite to the turning and changing lanes direction of the heavy-duty truck.

[0027] like Figure 4 and Figure 5 As shown, a first wire hole 202 is provided on one side of the mounting housing 2 away from the mounting cavity 201. The first wire hole 202 is provided at the rear end of the mounting housing 2 to facilitate the connection line of the laser radar 3 to pass through the first wire hole 202 and connect to the heavy truck control system.

[0028] like Figure 4 and Figure 5 As shown, a sealing ring 11 is fixedly connected to one side of the mounting housing 2 near the first wire hole 202, and the sealing ring 11 is in communication with the first wire hole 202. By using the sealing ring 11, after the connecting wire of the laser radar 3 passes through the first wire hole 202, the first wire hole 202 is blocked, thereby preventing external dust and water from entering the mounting cavity 201 and affecting the laser radar 3. The sealing ring 11 can be made of silicone. Under normal circumstances, the hole in the middle of the sealing ring 11 has a diameter similar to that of the connecting wire of the laser radar 3. During installation, the connecting wire of the laser radar 3 can expand the hole in the middle of the sealing ring 11, pass through the mounting cavity 201, and connect to the heavy truck control system.

[0029] like Figure 1 and Figure 2 As shown, a second wire hole 101 is formed through the side wall of the U-shaped mounting frame 1. The connecting wire of the laser radar 3 can pass through the second wire hole 101 of the U-shaped mounting frame 1 to connect to the heavy truck control system.

[0030] like Figures 1 to 4As shown, a cover 5 is connected to the side of the mounting housing 2 away from the U-shaped mounting frame 1. A through-hole 501 is formed in the middle of the cover 5. The laser emission port of the laser radar 3 faces the through-hole 501, and the cover 5 abuts against the ends of the laser radar 3. The cover 5 can more securely mount the laser radar 3 in the mounting cavity 201, preventing the laser radar 3 from slipping out of the mounting cavity 201. The laser beam emitted from the laser emission port of the laser radar 3 can pass through the through-hole 501 in the middle of the cover 5 to monitor the external environment.

[0031] like Figures 1 to 3 As shown, a light-transmitting protective plate 6 is fixedly connected to the inner wall of the through-hole 501. By installing the light-transmitting protective plate 6 in the through-hole 501, it is possible to prevent external dust, water, etc. from entering the laser emission port of the laser radar 3 and affecting the laser emission monitoring without affecting the laser monitoring of the laser radar 3, thereby improving the stability of the monitoring environment of the laser radar 3.

[0032] like Figures 1 to 4 As shown, the edge of the cover 5 is detachably connected to the mounting housing 2 via multiple bolts. The cover 5 is detachably mounted on the end of the mounting housing 2 via bolts, facilitating the installation and removal of the laser radar 3 within the mounting cavity 201 and the removal and maintenance of the laser radar 3 from the mounting cavity 201.

[0033] like Figure 4 and Figure 5 As shown, a compression spring 7 is fixedly connected to the inner wall of the end of the mounting cavity 201, and the other end of the compression spring 7 is fixedly connected to a compression plate 8. The other side of the compression plate 8 abuts against the laser radar 3, and a through hole 801 is formed in the middle of the compression plate 8. The compression spring 7 pushes the compression plate 8 outward, and in conjunction with the cover 5, the laser emission port of the laser radar 3 can be pressed tightly against the cover 5, thereby bringing the monitoring port of the laser radar 3 closer to the outside, improving the monitoring range and accuracy.

[0034] like Figure 4 and Figure 5 As shown, a plurality of limiting grooves 203 are defined within the mounting cavity 201, and a plurality of limiting blocks 9 are fixedly connected to the outer wall of the extrusion plate 8. The limiting blocks 9 are slidably connected to the plurality of limiting grooves 203. The connection between the plurality of limiting blocks 9 and the limiting grooves 203 makes it possible for the extrusion plate 8 to move more stably when the extrusion spring 7 pushes the extrusion plate 8 to slide within the mounting cavity 201, and is less likely to tilt and get stuck within the mounting cavity 201.

[0035] like Figures 1 to 5 As shown, a plurality of heat dissipation fins 10 are fixedly connected to the outer wall of the mounting housing 2 away from the rotating motor 4. By providing the heat dissipation fins 10 on the outside of the mounting housing 2, the heat dissipation effect of the mounting housing 2 can be improved, and the heat dissipation of the laser radar 3 installed inside can be facilitated.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A mounting structure for a sensing element of an unmanned heavy truck, comprising a U-shaped mounting frame (1), characterized in that: A rotating motor (4) is embedded in the inner wall of one end of the U-shaped mounting frame (1); an output shaft of the rotating motor (4) passes through the U-shaped mounting frame (1) and is fixedly connected to a mounting shell (2); the bottom of the mounting shell (2) is slidably connected to the U-shaped mounting frame (1); a mounting cavity (201) is provided on a side of the mounting shell (2) away from the U-shaped mounting frame (1); a laser radar (3) is connected in the mounting cavity (201).

2. The installation structure of the unmanned heavy truck sensing element according to claim 1 is characterized by: A first wire hole (202) communicating with the mounting cavity (201) is provided on a side of the mounting shell (2) away from the mounting cavity (201).

3. The installation structure of the unmanned heavy truck sensing element according to claim 2 is characterized by: A sealing ring (11) is fixedly connected to one side of the mounting housing (2) close to the first wire hole (202), and the sealing ring (11) is in communication with the first wire hole (202).

4. The installation structure of the sensing element of an unmanned heavy truck according to claim 1, 2 or 3, characterized in that: A second wire hole (101) is provided through the side wall of the U-shaped mounting frame (1).

5. The installation structure of the unmanned heavy truck sensing element according to claim 1, 2 or 3, characterized in that: A cover (5) is connected to the side of the mounting shell (2) away from the U-shaped mounting frame (1); a through hole (501) is provided through the middle of the cover (5); the laser emission port of the laser radar (3) faces the through hole (501); and the cover (5) and the end of the laser radar (3) abut against each other.

6. The installation structure of the sensing element of an unmanned heavy truck according to claim 5 is characterized in that: A light-transmitting protective plate (6) is fixedly connected to the inner wall of the through hole (501).

7. The installation structure of the sensing element of an unmanned heavy truck according to claim 5 is characterized in that: The edge of the cover (5) is detachably connected to the mounting housing (2) via a plurality of bolts.

8. The installation structure of the sensing element of an unmanned heavy truck according to claim 1, 2, 3, 6 or 7, characterized in that: An extrusion spring (7) is fixedly connected to the inner wall of the end of the installation cavity (201), and an extrusion plate (8) is fixedly connected to the other end of the extrusion spring (7). The other side of the extrusion plate (8) abuts against the laser radar (3), and a through hole (801) is provided in the middle of the extrusion plate (8).

9. The installation structure of the sensing element of an unmanned heavy truck according to claim 8, characterized in that: A plurality of limiting grooves (203) are provided in the installation cavity (201), and a plurality of limiting blocks (9) are fixedly connected to the outer wall of the extrusion plate (8), and the plurality of limiting blocks (9) are respectively slidably connected to the plurality of limiting grooves (203).

10. The installation structure of the sensing element of an unmanned heavy truck according to claim 1, 2, 3, 6, 7 or 9, characterized in that: A plurality of heat dissipation fins (10) are fixedly connected to the outer side wall of the installation housing (2) at one end away from the rotating motor (4).

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