Rubber wheel and rail wheel dual-purpose vehicle

Abstract

The utility model discloses a rubber wheel and rail wheel dual-purpose vehicle in the technical field of mining machinery. The rubber wheel and rail wheel dual-purpose vehicle comprises a rear rack, a front rack and rubber wheels arranged on the rear rack and the front rack. The rear rack is provided with a rear track wheel assembly and a first driving part used for driving the rear track wheel assembly to move, and the front rack is provided with a first front track wheel assembly, a second front track wheel assembly and a second driving part used for driving the second front track wheel assembly to move. The first front track wheel assembly is driven by the second front track wheel assembly to move, the rear track wheel assembly, the first front track wheel assembly and the second front track wheel assembly are driven by the first driving piece and the second driving piece to move correspondingly, track wheels make contact with a ground track, rubber wheels are separated from the ground, and the rubber wheels are driven by the second driving piece to move. The dual-purpose vehicle can be seamlessly switched to run on the underground trackless-tracked road surface, various underground running working conditions are met, the cost is reduced, and meanwhile the working efficiency can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mining machinery, in particular to a rubber-wheeled, track-wheeled dual-purpose vehicle. Background Art

[0002] The road conditions in mines are complex, with both road surfaces and tracks. In the past, vehicles only had one way of traveling, either rubber wheels or rail wheels, which could not meet the needs of all tunnels underground. If two vehicles with the same functions but different traveling methods are purchased, it will not only increase costs, but also be inconvenient during use. The vehicles need to be switched constantly, which greatly affects work efficiency. Utility Model Content

[0003] The utility model aims to provide a rubber-wheeled and rail-wheeled dual-purpose vehicle to solve the problem in the above background technology that the previous vehicles have only one walking mode, either rubber-wheeled walking or rail-wheeled walking, which cannot meet the needs of all underground tunnels.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rubber-wheeled rail-wheeled dual-purpose vehicle, comprising: a rear frame, a front frame, and rubber wheels arranged on the rear frame and the front frame;

[0005] The rear frame is provided with a rear track wheel assembly and a first driving member for driving the rear track wheel assembly to move, the front frame is provided with a first front track wheel assembly, a second front track wheel assembly and a second driving member for driving the second front track wheel assembly to move, the first front track wheel assembly is driven to move by the second front track wheel assembly, the rear frame and the front frame are supported by contacting the ground through rubber wheels, or switched to being supported by contacting the ground track through the first front track wheel assembly, the second front track wheel assembly and the rear track wheel assembly.

[0006] Preferably, the second front track wheel assembly is located between the first front track wheel assembly and the rear track wheel assembly.

[0007] Preferably, the second front track wheel assembly comprises a second support arm hinged to the front frame via a second pin shaft and a second track wheel provided on the end of the second support arm;

[0008] Wherein, the second driving member is a second telescopic member, a fixed end of the second telescopic member is hinged on the front frame, and a movable end of the second telescopic member is hinged to the second support arm.

[0009] Preferably, the first front track wheel assembly includes a first support arm hinged on the front frame through a first pin shaft, a first track wheel arranged on one end of the first support arm, and a connecting rod hinged on the other end of the first support arm, and the connecting rod is hinged to the second support arm away from the first support arm.

[0010] Preferably, the rear track wheel assembly comprises a third arm hinged to the rear frame via a third pin shaft and a third track wheel arranged on the third arm;

[0011] Wherein, the first driving member is a first telescopic member, a fixed end of the first telescopic member is hinged on the rear frame, and a movable end of the first telescopic member is hinged to the third arm.

[0012] Preferably, the first track wheel is driven to rotate by a motor.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The first driving member and the second driving member are used to drive the rear track wheel assembly, the first front track wheel assembly and the second front track wheel assembly to move respectively, so that the track wheel contacts the ground track and the rubber wheel is separated from the ground, so that the dual-purpose vehicle can seamlessly switch between trackless and tracked roads in the mine, meeting various driving conditions in the mine, which not only reduces costs but also greatly improves work efficiency;

[0015] 2. When the second driving member drives the second arm to rotate, the connecting rod will move together and pull the first arm to rotate, so that one driving member can drive the first front rail wheel assembly and the second front rail wheel assembly to move at the same time; the rear frame and the front frame are supported by the second front rail wheel assembly from the area near the middle between the rear frame and the front frame, and the first front rail wheel assembly and the rear rail wheel assembly are cooperated to increase the contact area between the two-purpose vehicle and the ground track, so that the support force on the two-purpose vehicle is more uniform, thereby ensuring the stability of the two-purpose vehicle when switching to rail wheel walking. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the rubber-wheeled, rail-wheeled dual-purpose vehicle of the utility model;

[0017] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0018] Figure 3 For this utility model Figure 1 Enlarged schematic diagram of the structure at point B in the middle.

[0019] In the figure: 1, rear frame; 2, front frame; 3, rear track wheel assembly; 31, third pin shaft; 32, third support arm; 33, third track wheel; 4, first driving member; 5, first front track wheel assembly; 51, first pin shaft; 52, first support arm; 53, first track wheel; 54, connecting rod; 6, second front track wheel assembly; 61, second pin shaft; 62, second support arm; 63, second track wheel; 7, second driving member; 8, rubber wheel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1 A rubber-wheeled rail-wheeled dual-purpose vehicle comprises: a rear frame 1 and a front frame 2, the rear frame 1 is connected to the front frame 2, and rubber wheels 8 are installed on the side walls of the rear frame 1 and the front frame 2.

[0023] See also Figure 1 and Figure 3 , a rear rail wheel assembly 3 and a first driving member 4 are provided on the rear frame 1;

[0024] Among them, the rear track wheel assembly 3 includes a third pin shaft 31, a third support arm 32 and a third track wheel 33. The third support arm 32 is hinged to the rear frame 1 through the third pin shaft 31, and the third track wheel 33 is arranged on the third support arm 32; the first driving member 4 is a first telescopic member (cylinder), the fixed end of the first telescopic member is hinged to the rear frame 1, and the movable end of the first telescopic member is hinged to the third support arm 32.

[0025] See also Figure 1 and Figure 2 , a first front rail wheel assembly 5, a second front rail wheel assembly 6 and a second driving member 7 are provided on the front frame 2;

[0026] Among them, the second front track wheel assembly 6 includes a second pin shaft 61, a second support arm 62 and a second track wheel 63. The second support arm 62 is hinged to the front frame 2 through the second pin shaft 61, and the second track wheel 63 is arranged on the end of the second support arm 62. The second driving member 7 is a second telescopic member (cylinder). The fixed end of the second telescopic member is hinged to the front frame 2, and the movable end of the second telescopic member is hinged to one end of the second support arm 62 close to the second track wheel 63; the first front track wheel assembly 5 includes a first pin shaft 51, a first support arm 52, a first track wheel 53 and a connecting rod 54. The first support arm 52 is hinged to the front frame 2 through the first pin shaft 51, the first track wheel 53 is arranged on one end of the first support arm 52, and the connecting rod 54 is hinged to the other end of the first support arm 52. The connecting rod 54 is away from the first support arm 52 and is hinged to one end of the second support arm 62 away from the second track wheel 63.

[0027] It should be noted that when the second driving member 7 is extended, the second arm 62 rotates counterclockwise around the second pin 61, driving the connecting rod 54 to move leftward, driving the first arm 52 to rotate counterclockwise around the first pin 51, so that the first track wheel 53 and the second track wheel 63 fall down to the track surface and are lower than the rubber wheel 8; at the same time, the first driving member 4 is extended, driving the third arm 32 to rotate clockwise around the third pin 31, so that the third track wheel 33 falls down to the track surface and is lower than the rubber wheel. At this time, the walking mode is switched to the track wheel Walking; the second driving member 7 retracts, causing the second arm 62 to rotate clockwise around the second pin 61, driving the connecting rod 54 to move rightward, so as to pull the first arm 52 to rotate clockwise around the first pin 51, so that the first track wheel 53 and the second track wheel 63 are lifted upward and higher than the rubber wheel 8; at the same time, the first driving member 4 retracts, driving the third arm 32 to rotate counterclockwise around the third pin 31, driving the third track wheel 33 to be lifted upward and higher than the rubber wheel 8. At this time, the rubber wheel 8 falls to the ground, and the walking mode is switched to rubber wheel walking.

[0028] It should also be noted that the vehicle can not only be used to clear blockages in mine chutes, but a boom assembly can be installed on the front frame 2, and the boom assembly can be replaced with other components such as a pallet, a carriage, a hopper, etc. to meet various working conditions underground; a cab and power equipment are installed on the rear frame 1.

[0029] In this embodiment, as a further optimized solution, please refer to Figure 1 The second front rail wheel assembly 6 is located between the first front rail wheel assembly 5 and the rear rail wheel assembly 3; the rear frame 1 and the front frame 2 are supported by the second front rail wheel assembly 6 from the area near the middle between the rear frame 1 and the front frame 2, and the contact area with the ground track is increased, so that the supporting force on the rear frame 1 and the front frame 2 is more uniform, ensuring the stability of the dual-purpose vehicle when switching to rail wheel walking.

[0030] In this embodiment, as a further optimized solution, please refer to Figure 1 , the first rail wheel 53 is driven to rotate by the motor; when the vehicle's walking mode is switched to rubber wheel walking, the power source at this time is the diesel engine, and the diesel engine drives the torque converter, the transmission shaft, and the front and rear axles to walk; when the vehicle's walking mode is switched to rail wheel walking, the power source at this time is the motor, and the motor drives the first rail wheel 53 to walk.

[0031] 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rubber-wheeled rail vehicle, characterized in that: include: A rear frame (1), a front frame (2), and rubber wheels (8) disposed on the rear frame (1) and the front frame (2); The rear frame (1) is provided with a rear rail wheel assembly (3) and a first driving member (4) for driving the rear rail wheel assembly (3) to move; the front frame (2) is provided with a first front rail wheel assembly (5), a second front rail wheel assembly (6) and a second driving member (7) for driving the second front rail wheel assembly (6) to move; the first front rail wheel assembly (5) is driven to move by the second front rail wheel assembly (6); the rear frame (1) and the front frame (2) are supported by contacting the ground via rubber wheels (8), or switched to being supported by contacting the ground rail via the first front rail wheel assembly (5), the second front rail wheel assembly (6) and the rear rail wheel assembly (3).

2. The rubber-wheeled rail vehicle according to claim 1, characterized in that: The second front track wheel assembly (6) is located between the first front track wheel assembly (5) and the rear track wheel assembly (3).

3. The rubber-wheeled rail vehicle according to claim 1, characterized in that: The second front track wheel assembly (6) comprises a second support arm (62) hinged to the front frame (2) via a second pin shaft (61), and a second track wheel (63) provided at the end of the second support arm (62); The second driving member (7) is a second telescopic member, the fixed end of the second telescopic member is hinged to the front frame (2), and the movable end of the second telescopic member is hinged to the second support arm (62).

4. The rubber-wheeled rail vehicle according to claim 3, characterized in that: The first front rail wheel assembly (5) comprises a first support arm (52) hinged to the front frame (2) via a first pin shaft (51), a first rail wheel (53) provided on one end of the first support arm (52), and a connecting rod (54) hinged to the other end of the first support arm (52), wherein the connecting rod (54) is hinged to the second support arm (62) away from the first support arm (52).

5. The rubber-wheeled rail vehicle according to claim 1, characterized in that: The rear track wheel assembly (3) comprises a third support arm (32) hinged to the rear frame (1) via a third pin shaft (31) and a third track wheel (33) arranged on the third support arm (32); The first driving member (4) is a first telescopic member, a fixed end of the first telescopic member is hinged to the rear frame (1), and a movable end of the first telescopic member is hinged to the third support arm (32).

6. The rubber-wheeled rail vehicle according to claim 4, characterized in that: The first track wheel (53) is driven to rotate by a motor.

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