Car pusher of intelligent loading and unloading system for railway freight

Abstract

The invention discloses a car pusher of a railway freight intelligent loading and unloading system, which comprises a car pusher main body arranged in a pit, the car pusher main body is provided with a walking motor, a walking gear, a walking wheel, a turnover oil cylinder and a turnover mechanism, the walking motor drives the walking gear to rotate, a rack is arranged on a step in the pit, and the rack is connected with the turnover oil cylinder. The walking gear is meshed with a rack in a pit, and when the walking motor rotates, the car pusher body is driven to walk through cooperation of the walking gear and the rack. The walking wheels are installed in guide rail grooves in a pit, and the car pusher body moves along the guide rail grooves under the action of the walking wheels. The turnover oil cylinder is connected with the turnover mechanism and drives the turnover mechanism to rotate; an arc-shaped wheel pushing plate with the diameter corresponding to the diameter of a train wheel is arranged at the end of the turnover mechanism. The gap between the steel rails is made into a pit, other positions are not occupied, space is saved, meanwhile, when the car pusher works, car pushing is achieved by pushing wheels, train unhooking is not needed, and time is saved.

Description

Technical Field

[0001] The present invention belongs to the technical field of railway freight transportation systems, and particularly relates to a pusher for a railway freight intelligent loading and unloading system. Background Art

[0002] Currently, when transporting goods such as coal and stones, trains are usually used as the main means of transportation. Due to the insufficient length of the freight yard, it cannot accommodate the length of a train with dozens of carriages. Therefore, when a train enters the freight yard for loading or unloading, if one carriage has completed loading or unloading, a special car pusher is required to move the train a certain distance for the loading or unloading of the next carriage. However, the existing intelligent car pusher uses a coupler to tow the carriage, resulting in a high equipment cost for the entire car pusher and the need for uncoupling, which affects the working efficiency of train loading or unloading. Summary of the Invention

[0003] The main object of the present invention is to provide a pusher for a railway freight intelligent loading and unloading system, which solves the problems of high equipment cost and inaccurate positioning of the existing car pusher.

[0004] To achieve the above object, the technical solution adopted by the present invention is as follows: A pusher for a railway freight intelligent loading and unloading system includes a pusher main body installed in a pit. A walking motor, walking gears, walking wheels, a tipping oil cylinder, and a tipping mechanism are provided on the pusher main body. The walking motor drives the walking gears to rotate. A rack is provided on the steps in the pit. The walking gears mesh with the rack in the pit. When the walking motor rotates, the pusher main body is driven to walk through the cooperation of the walking gears and the rack. The walking wheels are installed in the guide rail grooves in the pit, and the pusher main body moves along the guide rail grooves under the action of the walking wheels. The tipping oil cylinder is connected to the tipping mechanism, and the tipping oil cylinder drives the tipping mechanism to rotate. An arc-shaped push wheel plate with a diameter corresponding to the diameter of the train wheels is provided at the end of the tipping mechanism. When the tipping oil cylinder drives the tipping mechanism to rotate upward by 90°, the telescopic oil cylinder extends to align the push wheel plate with the train wheels, and then the pusher main body walks to make the push wheel plate act on the train wheels and push the train to move.

[0005] Preferably, symmetric tipping mechanisms are respectively provided on both sides of the pusher main body.

[0006] Preferably, the tipping mechanism includes a tipping mechanism main body. A telescopic oil cylinder, a telescopic chute, and a telescopic arm are provided in the tipping mechanism main body. The telescopic oil cylinder drives the telescopic arm to move in the telescopic chute, and the push wheel plate is provided at the end of the telescopic arm.

[0007] Compared with the prior art, the present invention has the following beneficial effects: 1. The gap in the middle of the steel rail of the present invention is made into a pit, which does not occupy other positions and saves space.

[0008] 2. When the pusher of the present invention operates, it pushes the wheels to realize pushing the cart, without the need for the train to uncouple, saving time.

[0009] 3. The present invention uses a traveling motor, traveling gears and a rack to control the pushing distance, and the traveling distance of the vehicle is easy to control and the positioning is more accurate.

[0010] 4. The single operation of the present invention can realize intermittent pushing, and the simultaneous operation of two units can realize continuous pushing, and the pushing speed is controllable. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is the front view of the pusher of the present invention when the tilting cylinder extends and the tilting mechanism does not tilt; Figure 2 is the front view of the pusher of the present invention when the tilting cylinder retracts and the tilting mechanism tilts 90°; Figure 3 is the side view of the pusher of the present invention installed in the pit; Figure 4 is the structural diagram of the tilting mechanism of the pusher of the present invention; Figure 5 is the front view of the pusher of the present invention when pushing the train. DETAILED DESCRIPTION OF THE INVENTION

[0012] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0013] Embodiment 1 As Figures 1-5As shown in the figure, a pusher of an intelligent railway freight loading and unloading system includes a pusher main body 1 installed in a pit 7. A traveling motor 3, a traveling gear 4, traveling wheels 2, a tilting oil cylinder 5 and a tilting mechanism 6 are arranged on the pusher main body 1. The traveling motor 3 drives the traveling gear 4 to rotate. A rack 71 is arranged on the step in the pit 7. The traveling gear 4 meshes with the rack 71 in the pit 7. When the traveling motor 3 rotates, the pusher main body 1 is driven to travel through the cooperation of the traveling gear 4 and the rack 71. The traveling wheels 2 are installed in the guide rail groove in the pit 7. The pusher main body 1 moves along the guide rail groove under the action of the traveling wheels 2. The tilting oil cylinder 5 is connected to the tilting mechanism 6. The tilting oil cylinder 5 drives the tilting mechanism 6 to rotate. An arc-shaped push wheel plate 64 with a diameter corresponding to the diameter of the train wheel is arranged at the end of the tilting mechanism 6. When the tilting oil cylinder 5 drives the tilting mechanism 6 to rotate upward by 90°, the push wheel plate 64 extends out and aligns with the train wheel. Then, through the travel of the pusher main body 1, the push wheel plate 64 acts on the train wheel and pushes the train to move.

[0014] In this embodiment, the tilting mechanism 6 includes a tilting mechanism main body. A telescopic oil cylinder 61, a telescopic chute 62 and a telescopic arm 63 are arranged in the tilting mechanism main body. The telescopic oil cylinder 61 drives the telescopic arm 63 to move in the telescopic chute 62. The push wheel plate 64 is arranged at the end of the telescopic arm 63.

[0015] During operation, first, the tilting oil cylinder 5 retracts to drive the tilting mechanism 6 to rotate upward by 90°. In this way, the tilting mechanism 6 extends out of the pit 7. Then, the telescopic arm 63 is extended through the telescopic oil cylinder 61 to make the push wheel plate 64 move outward until the push wheel plate 64 aligns with the train wheel. At this time, the traveling motor 3 continues to rotate to make the pusher main body 1 move until the push wheel plate 64 acts on the train wheel and drives the train wheel to move.

[0016] Embodiment 2 As Figures 1-5 shown in the figure, when the train is pushed to a predetermined position, it may continue to move under the action of inertia, affecting the position accuracy. Therefore, in this embodiment, symmetric tilting mechanisms 6 are respectively arranged on both sides of the pusher main body 1. The two tilting mechanisms 6 respectively act on both sides of the two wheels. When the traveling motor 3 stops rotating, the train will not continue to move under the action of inertia, ensuring the position accuracy. The specific working principle is as follows (see Figure 5 ): First, the traveling motor 3 drives the main body 1 of the pusher to move to the right side of the wheel A. At this time, the first tipping cylinder 51 retracts, driving the first tipping mechanism 61 to tip upward by 90° to the vertical state. Then, the telescopic cylinder of the first tipping mechanism 61 extends, driving the telescopic arm to extend until the pushing wheel plate aligns with the wheel A. The traveling motor 3 drives the main body 1 of the pusher to move leftward at a constant speed. When the pushing wheel plate of the first tipping mechanism 61 contacts the wheel A, the second tipping cylinder 52 retracts, driving the second tipping mechanism 62 to rotate upward to a set angle (the extended telescopic arm will not touch the rail and has not rotated in place). The telescopic cylinder of the second tipping mechanism 62 extends, driving the telescopic arm to extend until the pushing wheel plate aligns with the wheel B. The second tipping cylinder 52 continues to retract, driving the second tipping mechanism 62 to continue to tip until the pushing wheel plate of the second tipping mechanism 62 contacts the wheel B. At this time, the traveling motor drives the train to move to the target position. Then, the telescopic arms of the two tipping mechanisms retract, and the two tipping mechanisms rotate back to the horizontal position. The pusher moves to the right to prepare for pushing the next section.

[0017] [[ID=,3]]The second tipping mechanism of this embodiment can play a good role in limiting. When the train is pushed to the target position, it avoids the train from continuing to move due to inertia and other reasons, ensuring the accuracy of the position.

[0018] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, based on the above description, other different forms of changes or variations can be made. It is impossible to list all the implementation manners here. Any obvious changes or variations derived from the technical solutions of the present invention still fall within the protection scope of the present invention.

Claims

1. A pusher for an intelligent loading and unloading system of railway freight, characterized in that, It includes a car pusher body installed in a pit. A traveling motor, traveling gears, traveling wheels, a tipping oil cylinder and a tipping mechanism are arranged on the car pusher body. The traveling motor drives the traveling gears to rotate. A rack is arranged on the steps in the pit. The traveling gears mesh with the rack in the pit. When the traveling motor rotates, the car pusher body is driven to travel through the cooperation of the traveling gears and the rack. The traveling wheels are installed in the guide rail grooves in the pit. The car pusher body moves along the guide rail grooves under the action of the traveling wheels. The tipping oil cylinder is connected to the tipping mechanism, and the tipping oil cylinder drives the tipping mechanism to rotate. An arc-shaped pushing wheel plate with a diameter corresponding to that of the train wheels is arranged at the end of the tipping mechanism. When the tipping oil cylinder drives the tipping mechanism to rotate upward by 90°, the pushing wheel plate extends out and aligns with the train wheels, and then the pushing wheel plate acts on the train wheels through the traveling of the car pusher body to push the train to move.

2. The pusher of the intelligent railway freight loading and unloading system according to claim 1, characterized in that, Symmetric tipping mechanisms are respectively arranged on both sides of the car pusher body.

3. The pusher of the intelligent railway freight loading and unloading system according to claim 1, characterized in that, The tipping mechanism includes a tipping mechanism main body. A telescopic oil cylinder, a telescopic chute and a telescopic arm are arranged in the tipping mechanism main body. The telescopic oil cylinder drives the telescopic arm to move in the telescopic chute. The pushing wheel plate is arranged at the end of the telescopic arm.

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