Anti-collision device for off-highway unmanned dumper and vehicle

Abstract

The utility model discloses an off-highway unmanned dumper anti-collision device and a vehicle, and the device comprises a frame which is installed at the front side of the head of the dumper; the second anti-collision frame comprises a second stand column and a second anti-collision fence installed on the second stand column, and the second stand column is connected with the vehicle frame; the first anti-collision frame comprises a first stand column and a first anti-collision fence installed on the first stand column, the upper end of the first stand column is hinged to the upper end of a second stand column, and a buffer spring and a buffer block are installed in the middle of the first stand column and the lower end of the second stand column. According to the anti-collision device of the off-highway unmanned dumper, when the front end of the dumper is collided, a collision object is firstly in contact with the first anti-collision frame, then the first anti-collision frame rotates along the hinged position of the first anti-collision frame and the second anti-collision frame, and collision force is transmitted to the buffer spring and the buffer block between the first anti-collision frame and the second anti-collision frame; the buffer springs and the buffer blocks are used for buffering and absorbing collision force, and compared with a conventional bumper, the bumper can absorb larger vehicle impact force, can better protect a vehicle, and reduces damage to the vehicle during collision to the maximum extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of off-highway unmanned dump truck anti-collision devices and vehicle, belong to unmanned dump truck technical field. BACKGROUND

[0002] Off-highway unmanned dump truck can realize self-checking, identification, autonomous cruise, autonomous obstacle avoidance, lane keeping and other functions by multi-sensor environment perception fusion technology, intelligent control decision, linear control and other technologies, which can effectively reduce labor costs, fuel costs and improve operating efficiency. However, the existing off-highway unmanned dump truck is prone to serious damage to the vehicle when it loses control or the front end of the vehicle collides. SUMMARY

[0003] To solve the above problems of the prior art, the utility model provides an off-highway unmanned dump truck anti-collision device and vehicle, which can better protect the vehicle and minimize damage to the vehicle during a collision.

[0004] To achieve the above purpose, the utility model adopts an off-highway unmanned dump truck anti-collision device, which comprises:

[0005] A vehicle frame is installed at the front side of the vehicle head of the dump truck.

[0006] A second anti-collision frame comprises a second upright and a second anti-collision fence installed on the second upright, and the second upright is connected to the vehicle frame.

[0007] A first anti-collision frame comprises a first upright and a first anti-collision fence installed on the first upright, and the upper end of the first upright is hinged to the upper end of the second upright, and the middle part of the first upright and the lower end of the second upright are provided with a buffer spring and a buffer block.

[0008] In some embodiments, the first upright and the second upright are both provided with two, the first anti-collision fence is installed in a ring shape on the two first uprights, and the second anti-collision fence is installed in a ring shape on the two second uprights.

[0009] In some embodiments, the installation height of the first anti-collision fence is less than that of the second anti-collision fence.

[0010] In some embodiments, the first upright and the second upright are both square tubes.

[0011] In some embodiments, the second upright is L-shaped, and the upper end and the lower end of the second upright are both connected to a mounting seat, and the mounting seat is bolted to the vehicle frame.

[0012] In some embodiments, the upper end of the first upright is provided with a mounting hole, the second upright is provided with a hinge seat, and the hinge seat is connected to the mounting hole through a pin shaft.

[0013] In some embodiments, the column one and the column two are provided with matched spring mounting seats, a screw rod capable of sliding in the spring mounting seats is arranged between the two spring mounting seats, and the buffer spring is sleeved on the screw rod.

[0014] In some embodiments, the bottom end of the column two is provided with a sensor mounting bracket, and a vehicle start-stop sensor is arranged on the sensor mounting bracket and connected with a vehicle body controller.

[0015] The second aspect of the utility model further provides a vehicle, wherein the off-highway unmanned self-unloading truck anti-collision device is arranged on the vehicle.

[0016] Compared with the prior art, when the front end of the vehicle is collided, the collision object first contacts the anti-collision frame one, the anti-collision frame one then rotates along the hinge between the anti-collision frame one and the anti-collision frame two, and the collision force is transmitted to the buffer spring and the buffer block between the two, the buffer spring and the buffer block are used for buffering and absorbing the collision force, compared with the conventional bumper, the anti-collision device can absorb greater vehicle impact force, can better protect the vehicle, and can minimize the damage to the vehicle in the collision. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural schematic view of the anti-collision frame one of the utility model;

[0020] Figure 3 It is a structural schematic view of the anti-collision frame two of the utility model;

[0021] In the drawing: 1, anti-collision frame one, 11, anti-collision fence one, 12, column one, 13, mounting hole, 14, buffer block, 15, spring mounting seat one, 16, buffer spring; 2, anti-collision frame two, 21, anti-collision fence two, 22, column two, 23, mounting seat, 24, hinge seat, 25, spring mounting seat two, 26, sensor mounting bracket, 27, connecting pipe; 3, vehicle frame. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the following will make detailed description on the technical scheme of the application through the drawings and specific embodiments, it should be understood that the specific features in the embodiments and the embodiments are the detailed description of the technical scheme of the application, and not the limitation of the technical scheme of the application, and in the case of no conflict, the technical features in the embodiments and the embodiments can be combined with each other.

[0023] As Figure 1 , Figure 2 and Figure 3 indicated, a non-highway unmanned self-unloading vehicle anti-collision device, comprising a vehicle frame 3, an anti-collision frame two 2 installed on the front side of the vehicle frame 3 and an anti-collision frame one 1 installed on the front side of the anti-collision frame two 2.

[0024] The vehicle frame 3 is installed on the front side of the vehicle head of the self-unloading vehicle; the anti-collision frame two 2 comprises a stand two 22 and an anti-collision fence two 21 installed on the stand two 22, and the stand two 22 is connected with the vehicle frame 3; the anti-collision frame one 1 comprises a stand one 12 and an anti-collision fence one 11 installed on the stand one 12, and the upper end of the stand one 12 is hinged with the upper end of the stand two 22, and a buffer spring 16 and a buffer block 14 are installed between the middle part of the stand one 12 and the lower end of the stand two 22. The anti-collision frame one 1 is installed on the front side of the anti-collision frame two 2, and the anti-collision frame two 2 is installed on the side of the vehicle frame 3, when the front end of the vehicle is collided, the collision object first contacts the anti-collision frame one 1, the anti-collision frame one 1 is then rotated along the hinge between the anti-collision frame one 1 and the anti-collision frame two 2, the collision force is transmitted to the buffer spring 16 and the buffer block 14 between the two, the buffer spring 16 and the buffer block 14 buffer and absorb the collision force, and the damage to the vehicle when colliding is reduced.

[0025] In some embodiments, as Figure 1 , Figure 2 and Figure 3 indicated, the stand one 12 and the stand two 22 are both provided with two, the strength of the overall structure is improved, the anti-collision fence one 11 is installed in a ring shape on the two stand ones 12, and the anti-collision fence two 21 is installed in a ring shape on the two stand twos 22, the ring-shaped anti-collision fence design can improve the anti-collision area.

[0026] In some embodiments, as Figure 1 indicated, the installation height of the anti-collision fence one 11 is less than the installation height of the anti-collision fence two 21, and the coverage area of the anti-collision can be improved.

[0027] In some embodiments, the stand one 12 and the stand two 22 are both square tubes, which are convenient to process and low in cost.

[0028] In some embodiments, as Figure 3As shown, the column two 22 is L-shaped, the upper end of the column two 22 is welded with the mounting seat 23 through the connecting pipe 27, and the lower end of the column two 22 is directly welded with the mounting seat 23, the mounting seat 23 is connected with the frame 3 through bolts, which is more convenient to disassemble and assemble, and the bending part of the column two 22 adopts a circular arc transition, which improves the overall strength; the connecting pipe 27 can also be a square pipe, which is convenient to process and low in cost.

[0029] In some embodiments, as shown in Figure 1 , Figure 2 and Figure 3 , the upper end of the column one 12 is provided with a mounting hole 13, the column two 22 is provided with a hinged seat 24, and the hinged seat 24 is connected with the mounting hole 13 through a pin shaft, so as to ensure that when the collision object first contacts the anti-collision frame one 1, the anti-collision frame one 1 can rotate along the pin shaft, and then the collision force is transmitted to the buffer spring 16 and the buffer block 14.

[0030] In some embodiments, as shown in Figure 1 , Figure 2 and Figure 3 , the column one 12 is provided with a spring mounting seat one 15, the column two 22 is provided with a spring mounting seat two 25 matched with the spring mounting seat one 15, both the spring mounting seat one 15 and the spring mounting seat two 25 are provided with through holes, a screw rod capable of sliding along the through holes is arranged between the two spring mounting seats, the buffer spring 16 is sleeved on the screw rod, and a nut is arranged at the end of the screw rod, when the anti-collision frame one 1 rotates along the hinge due to the collision force, the spring mounting seat one 15 of the anti-collision frame one 1 moves towards the spring mounting seat two 25 of the anti-collision frame two 2 and compresses the buffer spring 16, thereby achieving the buffering effect.

[0031] In some embodiments, as shown in Figure 3 , the bottom end of the column two 22 is provided with a sensor mounting bracket 26, the end of the sensor mounting bracket 26 is provided with a vehicle start-stop sensor, the vehicle start-stop sensor is connected with a vehicle body controller, and the vehicle start-stop sensor is used to send a signal to the vehicle body controller when the lower end of the anti-collision frame one 1 rotates to press the vehicle start-stop sensor, so as to control the vehicle to slow down and stop through the vehicle body controller. The vehicle start-stop sensor can be an XJK sensor produced by Beijing Fengshengweiye Automobile Parts Factory.

[0032] In some embodiments, the column one 12 is welded with a U-shaped plate, the U-shaped plate is provided with the buffer block 14, and the buffer block 14 is located between the column one 12 and the column two 22, so as to buffer the impact force received by the vehicle.

[0033] Finally, the second aspect of the utility model further provides a vehicle, the vehicle is installed with the off-highway unmanned self-unloading vehicle anti-collision device, further, the vehicle can be off-highway unmanned self-unloading vehicle, improve the anti-collision performance of vehicle.

[0034] When the vehicle front end is impacted, the impact object first contacts the anti-collision frame 1, the anti-collision frame 1 rotates along the hinge, with the rotation of the anti-collision frame 1, the buffer block 14 on the stand 12 is extruded by the stand 22, at the same time, the spring mounting seat 15 and the spring mounting seat 25 compress the buffer spring 16, the impact force is buffered and absorbed by the buffer spring 16 and the buffer block 14; in addition, when the vehicle start-stop sensor installed on the sensor mounting bracket 26 is extruded by the stand 12, the vehicle start-stop sensor sends a signal to the vehicle body controller, the vehicle is controlled to slow down and stop by the vehicle body controller, the damage to the vehicle in the impact is minimized.

[0035] The above is only the embodiment of the utility model, and the specific technical scheme and / or common knowledge of the scheme are not described in detail. It should be noted that for those skilled in the art, without departing from the technical scheme of the utility model, a number of deformations, improvements or equivalent replacements can be made, which should be covered in the scope of the claims of the utility model. The protection scope of the present application should be subject to the content of the claims, and the specific embodiments can be used to explain the content of the claims.

Claims

1. A collision avoidance device for off-highway unmanned dump trucks, characterized in that, include: The frame (3) is installed on the front side of the dump truck's cab; The second anti-collision frame (2) includes a second column (22) and a second anti-collision barrier (21) installed on the second column (22), wherein the second column (22) is connected to the vehicle frame (3); The first anti-collision frame (1) includes a first column (12) and an anti-collision barrier (11) installed on the first column (12). The upper end of the first column (12) is hinged to the upper end of the second column (22). The middle part of the first column (12) and the lower end of the second column (22) are equipped with a buffer spring (16) and a buffer block (14).

2. The anti-collision device for off-highway unmanned dump trucks according to claim 1, characterized in that, Each of the first column (12) and the second column (22) is provided in twos. The first anti-collision barrier (11) is installed in a ring on the two first columns (12), and the second anti-collision barrier (21) is installed in a ring on the two second columns (22).

3. The anti-collision device for off-highway unmanned dump trucks according to claim 2, characterized in that, The installation height of the first crash barrier (11) is less than the installation height of the second crash barrier (21).

4. A collision avoidance device for off-highway unmanned dump trucks according to claim 1 or 2, characterized in that, Both column one (12) and column two (22) are square tubes.

5. The anti-collision device for off-highway unmanned dump trucks according to claim 1, characterized in that, The second column (22) is L-shaped, and the upper and lower ends of the second column (22) are connected to the mounting base (23). The mounting base (23) is bolted to the frame (3).

6. The anti-collision device for off-highway unmanned dump trucks according to claim 1, characterized in that, The upper end of the first column (12) has a mounting hole (13), and the second column (22) is equipped with a hinge seat (24). The hinge seat (24) is connected to the mounting hole (13) by a pin.

7. The anti-collision device for off-highway unmanned dump trucks according to claim 1, characterized in that, The first column (12) and the second column (22) are equipped with mutually cooperating spring mounting seats, and a screw that can slide on the spring mounting seats is installed between the two spring mounting seats. The buffer spring (16) is fitted on the screw.

8. The anti-collision device for off-highway unmanned dump trucks according to claim 1, characterized in that, A sensor mounting bracket (26) is installed at the bottom of the second column (22), and a vehicle start-stop sensor is installed on the sensor mounting bracket (26). The vehicle start-stop sensor is connected to the body controller.

9. A vehicle, characterized in that, The vehicle is equipped with an anti-collision device for off-highway unmanned dump trucks as described in any one of claims 1-8.

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