Multi-terrain unmanned patrol car

Abstract

The utility model discloses a multi-terrain unmanned patrol car which comprises an unmanned patrol car body, and a rear side lifting mechanism and a front side lifting mechanism are arranged at the bottom of the unmanned patrol car body. The rear side lifting mechanism comprises a first hydraulic cylinder, the first hydraulic cylinder is fixedly connected with the bottom of the unmanned patrol car body, a first supporting plate is fixed to the bottom of the first hydraulic cylinder, and a first mounting plate is fixed to the top of the first supporting plate; the front side lifting mechanism comprises a second hydraulic cylinder, a second mounting plate is fixed to the bottom of the second hydraulic cylinder, a second supporting plate is fixed to the bottom of the second mounting plate, a third mounting plate is fixed to the top of the second supporting plate, and a steering mechanism is mounted on the surface of the third mounting plate. According to the unmanned patrol car, the additional walking mechanism is arranged below the unmanned patrol car, and different walking parts can be adopted when the unmanned patrol car walks on different terrains, so that the unmanned patrol car can cope with relatively common complex terrains, and the flexibility of the unmanned patrol car is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned patrol vehicle technical field, concretely is a kind of multi-terrain unmanned patrol vehicle. BACKGROUND

[0002] In the process of border patrol, due to complex terrain, patrol vehicles will sometimes be trapped in potholes, but the border area equipment and manpower is limited, and the cost of sending additional equipment and personnel to rescue is high and the efficiency is low.

[0003] The structure of all-terrain vehicles varies greatly depending on their application and requirements. Generally, they can be classified into wheeled, tracked and legged all-terrain vehicles. Legged all-terrain vehicles have the advantage of low terrain requirements and can easily cross obstacles and travel on special surfaces such as sand and marshes, but the control system is extremely complex and the development cycle is long. Wheeled all-terrain vehicles have higher speed and efficiency, and the control driver is relatively simple, with a much longer range than legged all-terrain vehicles. Therefore, they have a wider application prospect. In practical applications, with the diversification of demand, many different types of wheeled all-terrain vehicles have emerged, including the number and type of wheels, the installation position of the wheels, etc. However, wheeled all-terrain vehicles have difficulty in passing through harsh road conditions such as sand, mudflats and ice. Tracked all-terrain vehicles have good obstacle crossing performance and strong passability, and can well adapt to harsh road conditions such as sand, mudflats and ice that wheeled all-terrain vehicles cannot handle, but their disadvantage is low speed and poor maneuverability.

[0004] The existing unmanned patrol vehicle is usually provided with only a single walking part, which cannot be applied to various terrains and is prone to terrain trouble. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a multi-terrain unmanned patrol vehicle. The additional walking mechanism is arranged below the unmanned patrol vehicle, different walking parts can be used when walking on different terrains, so that common complex terrains can be handled and the flexibility of the unmanned patrol vehicle is improved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multi-terrain unmanned patrol vehicle, comprising an unmanned patrol vehicle body, a rear lifting mechanism and a front lifting mechanism are arranged at the bottom of the unmanned patrol vehicle body.

[0007] The rear lifting mechanism comprises a first hydraulic cylinder, the first hydraulic cylinder is fixedly connected with the bottom of the unmanned patrol vehicle body, a first support plate is fixed at the bottom of the first hydraulic cylinder, and a first mounting plate is fixed at the top of the first support plate.

[0008] The front lifting mechanism comprises a second hydraulic cylinder, a second mounting plate fixed at the bottom of the second hydraulic cylinder, a second supporting plate fixed at the bottom of the second mounting plate, a third mounting plate fixed at the top of the second supporting plate, and a steering mechanism mounted on the surface of the third mounting plate.

[0009] The track driving mechanisms are arranged on the front and rear sides of the steering mechanism and the first mounting plate.

[0010] As a preferred multi-terrain unmanned patrol vehicle of the utility model, the track driving mechanism comprises a U-shaped plate, a driving wheel and a driven wheel rotatably connected to the inner wall of the U-shaped plate, a driving motor fixed to the surface of the U-shaped plate, a driving motor output shaft penetrating through the U-shaped plate and fixedly connected to the surface of the driving wheel, and a transmission track mounted on the surfaces of the driving wheel and the driven wheel.

[0011] As a preferred multi-terrain unmanned patrol vehicle of the utility model, the steering mechanism comprises a steering motor fixed to the top of the third mounting plate, a driving plate penetrating through the third mounting plate and fixed to the output shaft of the steering motor, two steering connecting rods hingedly connected to the surface of the driving plate, a movable rod hingedly connected to the surface of each steering connecting rod, a driven connecting rod hingedly connected to the surface of the movable rod, the driven connecting rod hingedly connected to the surface of the third mounting plate, a connecting frame fixed to the surface of the driven connecting rod, and two U-shaped plates fixed to the surface of the connecting frame.

[0012] As a preferred multi-terrain unmanned patrol vehicle of the utility model, the two U-shaped plates on the right side are fixed to the front and rear surfaces of the first mounting plate, and the number of the first hydraulic cylinders and the second hydraulic cylinders is four.

[0013] As a preferred multi-terrain unmanned patrol vehicle of the utility model, the bottom position of the driven wheel is equal to the bottom positions of the second supporting plate and the first supporting plate.

[0014] As a preferred multi-terrain unmanned patrol vehicle of the utility model, the top of the first mounting plate and the top of the second mounting plate are fixedly connected with the telescopic rods, and the top of the telescopic rods is fixedly connected with the bottom of the unmanned patrol vehicle body.

[0015] Compared with the prior art, the utility model has the advantages as follows:

[0016] The additional walking structure is arranged below the unmanned patrol vehicle, different walking components can be used when walking on different terrains, and the rear lifting mechanism and the front lifting mechanism are used for lifting, so that the complex terrain can be coped with, the labor is reduced to assist in the on-site rescue, the patrol efficiency is improved, the maintenance cost of the vehicle is reduced, the service life of the vehicle is prolonged, and the flexibility of the unmanned patrol vehicle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model from another perspective;

[0018] Figure 2 It is a three-dimensional structure schematic view of the utility model from another perspective;

[0019] Figure 3 It is a structure schematic view of the rear side lifting mechanism in the utility model;

[0020] Figure 4 It is a structure schematic view of the front side lifting mechanism in the utility model;

[0021] Figure 5 It is a bottom view structure schematic view of the second mechanism in the utility model;

[0022] Figure 6 It is a structure schematic view of the track driving mechanism and the steering mechanism in the utility model.

[0023] In the figure: 1, unmanned patrol vehicle body; 2, rear side lifting mechanism; 201, first hydraulic cylinder; 202, first support plate; 203, first mounting plate; 3, front side lifting mechanism; 301, second hydraulic cylinder; 302, second mounting plate; 303, second support plate; 304, third mounting plate; 4, track driving mechanism; 401, U-shaped plate; 402, driving wheel; 403, driven wheel; 404, transmission track; 405, driving motor; 5, steering mechanism; 501, steering motor; 502, driving plate; 503, steering connecting rod; 504, driven connecting rod; 505, movable rod; 506, connecting frame; 6, telescopic rod. DETAILED DESCRIPTION

[0024] Please refer to Figures 1-6 A multi-terrain unmanned patrol vehicle, comprising an unmanned patrol vehicle body 1, the bottom of the unmanned patrol vehicle body 1 is provided with a rear side lifting mechanism 2 and a front side lifting mechanism 3.

[0025] The unmanned patrol vehicle body 1 moves through the self walking wheel, and the cooperation of the rear side lifting mechanism 2 and the front side lifting mechanism 3 enables the device to carry additional walking components and to move up and down.

[0026] The rear side lifting mechanism 2 comprises a first hydraulic cylinder 201, the first hydraulic cylinder 201 is fixedly connected with the bottom of the unmanned patrol vehicle body 1, the bottom of the first hydraulic cylinder 201 is fixedly connected with a first support plate 202, and the top of the first support plate 202 is fixedly connected with a first mounting plate 203.

[0027] When the first hydraulic cylinder 201 is started, the first support plate 202 and the first mounting plate 203 can be driven to move, so that the height position of the right track driving mechanism 4 can be changed.

[0028] The front lifting mechanism 3 comprises a second hydraulic cylinder 301, the bottom of the second hydraulic cylinder 301 is fixed with a second mounting plate 302, the bottom of the second mounting plate 302 is fixed with a second support plate 303, the top of the second support plate 303 is fixed with a third mounting plate 304, and the surface of the third mounting plate 304 is mounted with a steering mechanism 5;

[0029] When the second hydraulic cylinder 301 is started, the second mounting plate 302, the second support plate 303 and the third mounting plate 304 can be driven to move up and down, so that the steering mechanism 5 mounted on the surface thereof can also move together, and the height position of the left track driving mechanism 4 can be changed.

[0030] The front and rear sides of the steering mechanism 5 and the front and rear sides of the first mounting plate 203 are provided with track driving mechanisms 4;

[0031] The track driving mechanism 4 is used to drive the device to move through the track.

[0032] Further, the track driving mechanism 4 comprises a U-shaped plate 401, the inner wall of the U-shaped plate 401 is rotatably connected with a driving wheel 402 and a driven wheel 403, the number of the driven wheels 403 is two, the surface of the U-shaped plate 401 is fixed with a driving motor 405, the output shaft of the driving motor 405 penetrates through the U-shaped plate 401 and is fixedly connected with the surface of the driving wheel 402, and the surfaces of the driving wheel 402 and the driven wheel 403 are mounted with a transmission track 404;

[0033] When the driving motor 405 is started, the driving wheel 402 can be driven to rotate, the driving wheel 402 can drive the two driven wheels 403 to rotate at the same time through the transmission of the transmission track 404, and then when the transmission track 404 contacts the ground, the device can move normally through the transmission track 404.

[0034] Further, the steering mechanism 5 comprises a steering motor 501, the steering motor 501 is fixed to the top of the third mounting plate 304, the output shaft of the steering motor 501 penetrates through the third mounting plate 304 and is fixed with a driving plate 502, the surface of the driving plate 502 is hingedly connected with two steering connecting rods 503, the surface of the steering connecting rod 503 is hingedly connected with a movable rod 505, the surface of the movable rod 505 is hingedly connected with a driven connecting rod 504, the surface of the driven connecting rod 504 is hingedly connected with the surface of the third mounting plate 304, the surface of the driven connecting rod 504 is fixed with a connecting frame 506, and the left two U-shaped plates 401 are fixed to the surface of the connecting frame 506;

[0035] When the steering motor 501 starts, it can drive the driving plate 502 to rotate. When the driving plate 502 rotates, the steering connecting rod 503 will drive the driven connecting rod 504 to move on the surface of the third mounting plate 304 through the hinge with the movable rod 505, so that the driven connecting rod 504 can drive the two left U-shaped plates 401 to rotate at the same time, thereby enabling the left two track driving mechanisms 4 to obtain the angle adjustment effect, so as to realize the steering function of the left track driving mechanism 4 during driving, and by controlling the forward and reverse rotation of the steering motor 501, the driving plate 502 can also be driven to rotate in two directions, thereby realizing the adjustment effect of different rotation directions.

[0036] Further, the two U-shaped plates 401 on the right are respectively fixed to the front and rear surfaces of the first mounting plate 203, and the number of the first hydraulic cylinder 201 and the second hydraulic cylinder 301 is four.

[0037] Through the position design of the right track driving mechanism 4, it is ensured that the rear lifting mechanism 2 can drive the right U-shaped plate 401 to rise and fall, and through the design of the number of the first hydraulic cylinder 201 and the second hydraulic cylinder 301, the second mounting plate 302 and the first supporting plate 202 can be more evenly stressed, avoiding the tilting of one side caused by unilateral stress.

[0038] Further, the bottom position of the driven wheel 403 is equal to the bottom position of the second supporting plate 303 and the first supporting plate 202.

[0039] Through the design of the bottom position of the driven wheel 403, it is ensured that after the driven wheel 403 moves downward through the rear lifting mechanism 2 and the front lifting mechanism 3, the surface transmission track 404 of the driven wheel 403 can normally contact the ground without being blocked by the second supporting plate 303 and the first supporting plate 202.

[0040] Further, the first mounting plate 203 and the second mounting plate 302 are respectively fixed with telescopic rods 6 at the top, and the telescopic rods 6 are fixedly connected with the bottom of the unmanned patrol vehicle body 1.

[0041] When the first mounting plate 203 and the second mounting plate 302 are lifted, the telescopic rods 6 will be telescoped, so that the first mounting plate 203 and the second mounting plate 302 can further obtain the straight line guiding effect, and it is ensured that the first mounting plate 203 and the second mounting plate 302 can only move linearly.

[0042] Working principle: when the walking wheels of the unmanned patrol vehicle body 1 are stuck in the pit terrain, the four crawler drive mechanisms 4 can be moved downward through the rear lifting mechanism 2 and the front lifting mechanism 3 in the vehicle bottom, so that the lower side of the transmission crawler 404 is in contact with the ground and rotates under the transmission of the driving motor 405; finally, the unmanned patrol vehicle body 1 moves out of the stuck terrain under the driving of the transmission crawler 404; this structure assists the unmanned patrol vehicle body 1 to move on the complex terrain through the transmission crawler 404, and the crawler drive mechanism 4 is retracted through the rear lifting mechanism 2 and the front lifting mechanism 3 on the flat terrain, that is, the normal use walking wheels can be driven; this unmanned patrol vehicle body 1 can cope with the common complex terrain, reduce the situation of assisting in getting rid of the trouble on site by manpower, and improve the flexibility of the unmanned patrol vehicle.

[0043] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-terrain unmanned patrol vehicle comprising an unmanned patrol vehicle body (1), characterized in that: The unmanned patrol vehicle body (1) bottom is provided with rear lifting mechanism (2) and front lifting mechanism (3); The rear lifting mechanism (2) comprises a first hydraulic cylinder (201), the first hydraulic cylinder (201) is fixedly connected with the bottom of the unmanned patrol vehicle body (1), the bottom of the first hydraulic cylinder (201) is fixedly connected with the first support plate (202), and the top of the first support plate (202) is fixedly connected with the first mounting plate (203); The front lifting mechanism (3) comprises a second hydraulic cylinder (301), the bottom of the second hydraulic cylinder (301) is fixedly connected with the second mounting plate (302), the bottom of the second mounting plate (302) is fixedly connected with the second support plate (303), the top of the second support plate (303) is fixedly connected with the third mounting plate (304), and the surface of the third mounting plate (304) is provided with a steering mechanism (5); The steering mechanism (5) is provided with track driving mechanism (4) on the front and rear sides of the first mounting plate (203).

2. The all-terrain unmanned patrol vehicle according to claim 1, wherein: The track driving mechanism (4) comprises a U-shaped plate (401), the inner wall of the U-shaped plate (401) is rotatably connected with a driving wheel (402) and a driven wheel (403), the number of the driven wheel (403) is two, the surface of the U-shaped plate (401) is fixedly connected with a driving motor (405), the output shaft of the driving motor (405) penetrates the U-shaped plate (401) and is fixedly connected with the surface of the driving wheel (402), and the surfaces of the driving wheel (402) and the driven wheel (403) are provided with transmission tracks (404).

3. The multi-terrain unmanned patrol vehicle according to claim 2, wherein: The steering mechanism (5) comprises a steering motor (501), the steering motor (501) is fixed to the top of the third mounting plate (304), the output shaft of the steering motor (501) penetrates the third mounting plate (304) and is fixedly connected with a driving plate (502), the surface of the driving plate (502) is hingedly connected with two steering connecting rods (503), the surface of the steering connecting rod (503) is hingedly connected with a movable rod (505), the surface of the movable rod (505) is hingedly connected with a driven connecting rod (504), the surface of the driven connecting rod (504) is hingedly connected with the third mounting plate (304), the surface of the driven connecting rod (504) is fixedly connected with a connecting frame (506), and the surfaces of the two U-shaped plates (401) on the left side are respectively fixed to the surface of the connecting frame (506).

4. The all-terrain unmanned patrol vehicle of claim 2, wherein: The surfaces of the two U-shaped plates (401) on the right side are respectively fixed to the front and rear surfaces of the first mounting plate (203), and the number of the first hydraulic cylinder (201) and the second hydraulic cylinder (301) is four.

5. The all-terrain unmanned patrol vehicle of claim 2, wherein: The bottom position of the driven wheel (403) is equal to the bottom position of the second support plate (303) and the first support plate (202).

6. The all-terrain unmanned patrol vehicle of claim 1, wherein: The top of the first mounting plate (203) and the second mounting plate (302) is fixedly connected with a telescopic rod (6), and the top of the telescopic rod (6) is fixedly connected with the bottom of the unmanned patrol vehicle body (1).

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