CN216993901U

CN216993901U - Four-wheel drive front-rear steering walking vehicle

Info

Publication number: CN216993901U
Application number: CN202122417150.0U
Authority: CN
Inventors: 王瑞; 张崇良; 彭支光; 李江有
Original assignee: Yunnan Daotan New Energy Co ltd
Current assignee: Yunnan Daotan New Energy Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-07-19
Anticipated expiration: 2031-10-08

Abstract

The utility model relates to the technical field of travelling mechanisms, and discloses a four-wheel-drive front-rear steering travelling vehicle which comprises a vehicle frame, wherein the left end and the right end of the lower surface of the vehicle frame are fixedly connected with a connecting frame, two connecting rods are fixedly connected between the connecting frames, a supporting frame is fixedly connected to the position, close to the middle position, of the front surface of the connecting frame, a travelling motor is arranged on the upper surface of the supporting frame, a worm speed reducer is arranged at the rear end of the travelling motor, and a power set output chain wheel is arranged at the rear end of the worm speed reducer The vehicle turns around and passes through, the whole passing capacity and the maneuverability of the vehicle are very strong, and the practicability is high.

Description

Four-wheel drive front-rear steering walking vehicle

Technical Field

The utility model relates to the technical field of traveling mechanisms, in particular to a four-wheel-drive front-rear steering traveling vehicle.

Background

The walking vehicle has a wide application range, is commonly used for goods transportation, logistics warehouses and the like, has poor mobility and passing capacity, large turning radius, and can not turn around rapidly and be used in complex terrains. Accordingly, those skilled in the art have provided a four-wheel drive front-rear steering type traveling vehicle to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a four-wheel drive front-rear steering walking vehicle to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

four-wheel drive front and back turns to walking car, which comprises a vehicle rack, the common fixedly connected with link in both ends about the lower surface of frame, two connecting rods of fixedly connected with between the link, and the front surface of link is close to intermediate position department fixedly connected with support frame, the last surface mounting of support frame has the walking motor, the worm speed reducer is installed to the rear end of walking motor, power pack output sprocket is installed to the rear end of worm speed reducer, the group battery is installed to the upper surface of link position in the rear of worm speed reducer.

As a still further scheme of the utility model: two both ends position department all installs differential mechanism jointly about being close to in the outside of connecting rod, differential mechanism's internally mounted has universal drive shaft, universal drive shaft's outside is close to both ends position department and all installs the steering goat's horn, and universal drive shaft all installs the wheel hub flange in both ends around, the externally mounted of wheel hub flange has the tire, swing arm is all installed to both sides around differential mechanism, go up the one end of swing arm and install the bumper shock absorber.

As a still further scheme of the utility model: both ends position department all installs down the swing arm about both sides surface around the link, two the upper surface of connecting rod is controlled both ends and is all installed jointly and turn to the motor, turn to the one end of motor and install worm gear speed reducer machine, the lower extreme of worm gear speed reducer machine is connected with two steering linkage.

As a still further scheme of the utility model: the upper end of the steering claw is hinged to the upper swing arm.

As a still further scheme of the utility model: the lower end of the steering claw is hinged to the lower swing arm.

As a still further scheme of the utility model: one end of the steering pull rod is hinged to the steering claw, and the walking motor, the worm speed reducer, the steering motor and the worm and gear speed reducer are all electrically connected with the battery pack.

Compared with the prior art, the utility model has the beneficial effects that:

the four-wheel steering vehicle is provided with the traveling motor and the two steering motors, the traveling motor transmits power to drive the four tires to rotate, the two steering motors respectively drive the front wheels and the rear wheels to steer, so that the turning radius of the traveling vehicle is reduced, the front wheels and the rear wheels can steer simultaneously, the rear wheels rotate in an auxiliary mode, the vehicle can quickly turn around in a small radius in a complex terrain and can pass through, the whole passing capacity and maneuverability of the vehicle are very strong, and the four-wheel steering vehicle has high practicability.

Drawings

FIG. 1 is a schematic structural view of a four-wheel drive front-rear steering traveling vehicle;

FIG. 2 is a front view of the four-wheel drive front and rear steering vehicle;

fig. 3 is a left side view of the four-wheel drive front-rear steering vehicle.

In the figure: 1. a traveling motor; 2. a worm speed reducer; 3. a power pack output sprocket; 4. a frame; 5. a steering tie rod; 6. a steering motor; 7. a battery pack; 8. a shock absorber; 9. an upper swing arm; 10. turning to a goat horn; 11. a hub flange; 12. a universal drive shaft; 13. a lower swing arm; 14. a differential mechanism; 15. a tire; 16. a worm gear reducer; 17. a connecting frame; 18. a connecting rod; 19. a support frame.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention, a four-wheel drive front and rear steering traveling vehicle includes a vehicle frame 4, a connecting frame 17 is fixedly connected to both left and right ends of a lower surface of the vehicle frame 4, two connecting rods 18 are fixedly connected between the connecting frames 17, a supporting frame 19 is fixedly connected to a position near a middle position of a front surface of the connecting frame 17, a traveling motor 1 is mounted on an upper surface of the supporting frame 19, a worm reducer 2 is mounted on a rear end of the traveling motor 1, a power pack output sprocket 3 is mounted on a rear end of the worm reducer 2, a battery pack 7 is mounted on an upper surface of the connecting frame 17 behind the worm reducer 2, differentials 14 are mounted on positions near left and right ends of the outer portions of the two connecting rods 18, a chain is mounted on an outer portion between the differentials 14 and the power pack output sprocket 3, a universal drive shaft 12 is mounted on an inner portion of the differentials 14, steering spiders 10 are mounted on positions near both ends of the outer portion of the universal drive shaft 12, the front end and the rear end of a universal transmission shaft 12 are respectively provided with a hub flange 11, the outside of the hub flange 11 is provided with a tire 15, the front side and the rear side of a differential 14 are respectively provided with an upper swing arm 9, the upper end of a steering claw 10 is hinged with the upper swing arm 9, one end of the upper swing arm 9 is provided with a shock absorber 8, the left end and the right end of the front side surface and the rear side surface of a connecting frame 17 are respectively provided with a lower swing arm 13, the lower end of the steering claw 10 is hinged with the lower swing arm 13, the left end and the right end of the upper surface of two connecting rods 18 are respectively provided with a steering motor 6, one end of the steering motor 6 is provided with a worm gear reducer 16, a walking motor 1, a worm gear reducer 2, the steering motor 6 and the worm gear reducer 16 are respectively and electrically connected with a battery pack 7, the lower end of the worm gear reducer 16 is connected with two steering pull rods 5, the output end of the worm gear 16 is provided with a steering shaft, the top end of the steering rocker arm is arranged on the steering shaft, the steering rocker arm is connected to a steering pull rod 5, one end of the steering pull rod 5 is hinged to a steering knuckle 10, the structure reduces the turning radius, the front wheel and the rear wheel simultaneously turn, and the rear wheel rotates in an auxiliary mode, so that the vehicle can turn around quickly in a small radius mode.

The working principle of the utility model is as follows: the power set output chain wheel 3 drives a left differential 14 and a right differential 14 through a chain, power is respectively transmitted to tires 15 through universal transmission shafts 12 in the differentials 14 to achieve power output of front wheels and rear wheels, a steering shaft is arranged at the output end of a worm gear reducer 16, a steering rocker arm is arranged at the top end of the steering shaft, a left steering pull rod 5 and a right steering pull rod 5 are respectively arranged on the steering rocker arm, the steering pull rods 5 control steering goat angles 10 to achieve a vehicle steering function, a set of steering mechanism is respectively arranged at two ends of a vehicle body, and the front wheels and the rear wheels of the vehicle are steered simultaneously through two sets of steering mechanisms.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. Four-wheel drive front and back turns to walking car, including frame (4), its characterized in that, the common fixedly connected with link (17) in both ends about the lower surface of frame (4), two connecting rods (18) of fixedly connected with between link (17), and the front surface of link (17) is close to intermediate position department fixedly connected with support frame (19), the last surface mounting of support frame (19) has walking motor (1), worm speed reducer (2) are installed to the rear end of walking motor (1), power pack output sprocket (3) are installed to the rear end of worm speed reducer (2), group battery (7) are installed to the upper surface that link (17) is located the rear of worm speed reducer (2).

2. The four-wheel-drive front-and-back steering walking vehicle as claimed in claim 1, wherein, two differential mechanism (14) is installed at both ends position department all jointly about the outside of connecting rod (18) is close to, the internally mounted of differential mechanism (14) has universal drive shaft (12), the outside of universal drive shaft (12) is close to both ends position department and all installs and turn to goat's horn (10), and all installs wheel hub flange (11) at both ends around universal drive shaft (12), the externally mounted of wheel hub flange (11) has tire (15), swing arm (9) are all installed to both sides around differential mechanism (14), bumper shock absorber (8) are installed to the one end of going up swing arm (9).

3. The four-wheel-drive front-rear steering walking vehicle as claimed in claim 2, wherein lower swing arms (13) are mounted at the left and right ends of the front and rear side surfaces of the connecting frame (17), steering motors (6) are mounted at the left and right ends of the upper surfaces of the two connecting rods (18) together, a worm and gear reducer (16) is mounted at one end of each steering motor (6), and two steering pull rods (5) are connected to the lower ends of the worm and gear reducer (16).

4. Four-wheel-drive front-rear steering walking vehicle according to claim 2, characterized in that the upper end of the steering knuckle (10) is hinged to the upper swing arm (9).

5. A four-wheel-drive front-rear steering walking vehicle according to claim 3, characterized in that the lower end of the steering ram's horn (10) is hinged to the lower swing arm (13).

6. The four-wheel-drive front-rear steering walking vehicle as claimed in claim 3, wherein one end of the steering pull rod (5) is hinged to the steering ram-horn (10), and the walking motor (1), the worm speed reducer (2), the steering motor (6) and the worm and gear speed reducer (16) are all electrically connected with the battery pack (7).