Transverse turnout pushing device for underground mine car

Abstract

The utility model relates to underground coal mine equipment, in particular to a transverse turnout pushing device for an underground mine car. The tramcar runs on the main rail and the auxiliary rail, the main rail and the auxiliary rail are provided with corresponding turnout notches, a transverse turnout pushing device is arranged between the turnout notches of the main rail and the auxiliary rail and comprises two transversely-arranged sliding rails, and a turnout sliding seat is installed on the sliding rails in a sliding mode. Two turnout tracks are arranged between the two turnout sliding seats, and the turnout sliding seats are provided with mine car positioning structures; a transverse outer pushing hydraulic cylinder corresponding to the sliding rail is arranged on the outer side of the main rail, a transverse inner pushing hydraulic cylinder is installed on the turnout sliding base, the outer pushing hydraulic cylinder and the inner pushing hydraulic cylinder are oppositely arranged, and piston rods of the outer pushing hydraulic cylinder and the inner pushing hydraulic cylinder are connected through a connecting assembly. The tramcar stopped on the turnout track is transversely pushed to the auxiliary track from the main track, after the tramcar is stably stopped on the auxiliary track, the transverse pushing device is reset, and roadway reversing operation is achieved.

Description

Technical Field

[0001] The utility model relates to underground coal mine equipment, in particular to a transverse turnout pushing device for underground mine cars. Background Art

[0002] As the mechanization level and production efficiency of the coal mining industry gradually improve, the workload of auxiliary transportation is increasing. Due to the limitations of underground tunnel conditions, traditional turnouts occupy a large space, have low reversing efficiency, and high labor costs. When the mine car reverses from the main track to the auxiliary track, it needs to be pushed manually, which has a high risk factor. In addition, due to the changing on-site conditions, some tunnels are not sufficient to meet the installation of traditional turnouts. The Chinese utility model with authorization announcement number CN205737542U discloses a mine car that can move out of the track by itself. The utility model has a complex structure. Utility Model Content

[0003] The utility model aims to solve the above technical problems, thereby providing a transverse turnout pushing device for an underground mine car, so as to realize the reverse driving of the mine car in the underground tunnel and improve the safety.

[0004] The utility model solves the technical problem and adopts the following technical solution:

[0005] A transverse turnout pushing device for an underground mine car, the mine car runs on a main track and an auxiliary track, the main track and the auxiliary track are provided with corresponding turnout gaps, a transverse turnout pushing device is provided between the turnout gaps of the main track and the auxiliary track, the transverse turnout pushing device comprises two slide rails arranged transversely, a turnout slide seat is slidably installed on the slide rails, two turnout rails are installed between the two turnout slide seats, and the turnout slide seat is provided with a mine car positioning structure;

[0006] The outer side of the main track is provided with a transverse outer push hydraulic cylinder corresponding to the slide rail, and the turnout slide is equipped with a transverse inner push hydraulic cylinder. The outer push hydraulic cylinder and the inner push hydraulic cylinder are arranged opposite to each other and the piston rods are connected through a connecting assembly.

[0007] Compared with the prior art, the utility model adopting the above technical solution has the following beneficial effects:

[0008] Driven by a hydraulic cylinder, the mine car parked on the switch track is pushed horizontally from the main track to the secondary track. After the mine car is stopped steadily on the secondary track, the lateral pushing device is reset to realize the reverse operation in the tunnel. The reverse pushing work is carried out in the narrow tunnels underground. It is an intrinsically safe equipment and can be operated by a single person or remotely. The production efficiency is extremely high and the safety factor is greatly improved.

[0009] Further, the optimization scheme of the utility model is:

[0010] The cylinder body of the outer displacement hydraulic cylinder is connected to the fixed base.

[0011] The connecting assembly comprises an ear seat and an ear shaft. Seat holes are respectively provided at both ends of the ear seat. The piston rods of the outer push hydraulic cylinder and the inner push hydraulic cylinder are respectively connected to the ear seat through the ear shaft.

[0012] Limiting bars slidably connected to the slide rails are respectively provided on both sides of the turnout slide.

[0013] There are four mine car positioning structures, which are respectively located on the outer sides of the treads of the mine car wheels.

[0014] The mine car positioning structure includes a block, an ear plate and a pin shaft. The block is inverted U-shaped. The turnout slide seat outside the turnout rail is fixed with an ear plate. The outer end of the block is hinged to the ear plate through the pin shaft, and the inner end of the block spans the track surface of the turnout rail.

[0015] A wedge block is provided on the inner end surface of the stopper on one side of the main track running direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection between the ear seat and the piston rod of the hydraulic cylinder in an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection between the stopper and the turnout slide.

[0019] In the figure: slide rail 1; turnout slide 2; limit strip 3; turnout rail 4; outer push hydraulic cylinder 5; fixed base 6; inner push hydraulic cylinder 7; ear seat 8; ear shaft 9; stopper 10; ear plate 11; pin shaft 12. DETAILED DESCRIPTION

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] See also Figure 1-Figure 3 The present embodiment provides a transverse turnout pushing device for an underground mine car. The mine car runs on a longitudinal main track and a secondary track. The main track and the secondary track are arranged in parallel. The main track and the secondary track are both composed of two rails. The main track and the secondary track are provided with corresponding turnout gaps.

[0022] A transverse turnout moving device is provided between the turnout gaps of the main track and the auxiliary track. The transverse turnout moving device is mainly composed of a slide rail 1, a turnout slide seat 2, a limit bar 3, a turnout rail 4, an outer push hydraulic cylinder 5, a fixed seat 6, an inner push hydraulic cylinder 7, an ear seat 8 and an ear shaft 9. There are two slide rails 1, and the two slide rails 1 are arranged in parallel and in a transverse direction. A turnout slide seat 2 is installed on each slide rail 1, and the turnout slide seat 2 is a welded component, which is slidably connected to the slide rail 1. Limit bars 3 are welded on both sides of the turnout slide seat 2, and the limit bars 3 are arranged in a transverse direction. The lower part of the limit bar 3 is located on the side of the slide rail 1 and is slidably connected thereto. The limit bars 3 limit the turnout slide seat 2 to prevent it from moving longitudinally. Two turnout rails 4 are installed on the two turnout slide seats 2, and the two turnout rails 4 are arranged in parallel. The gauge of the two turnout rails 4 is equal to the gauge of the main track.

[0023] An outer side of the main track is provided with an outer push hydraulic cylinder 5. There are two outer push hydraulic cylinders 5 arranged in parallel. Both outer push hydraulic cylinders 5 are arranged horizontally. Each outer push hydraulic cylinder 5 corresponds to the slide rail 1. The height of the outer push hydraulic cylinder 5 is higher than the height of the slide rail 1. The left end of the cylinder body of the outer push hydraulic cylinder 5 is installed on the fixed base 6. The end of the piston cylinder of the outer push hydraulic cylinder 5 is connected to the inner push hydraulic cylinder 7 through a connecting assembly. The inner push hydraulic cylinder 7 is located on the turnout slide 2. The outer push hydraulic cylinder 5 and the inner push hydraulic cylinder 7 are arranged opposite to each other. The inner push hydraulic cylinder 7 is arranged horizontally. The right end of the cylinder body of the inner push hydraulic cylinder 7 is fixedly connected to the turnout slide 2. The connecting assembly is composed of an ear seat 8 and an ear shaft 9. The ear seat 8 is a welded component with seat holes at both ends. The two seat holes of the ear seat 8 are connected to the piston rods of the outer push hydraulic cylinder 5 and the inner push hydraulic cylinder 7 through the ear shaft 9 respectively. In this embodiment, two push hydraulic cylinders are used for pushing action. The piston rods of the two push hydraulic cylinders are connected. The two hydraulic cylinders are supplied with oil and act at the same time, which improves the pushing efficiency and saves space.

[0024] The turnout slide 2 is provided with a mine car positioning structure, and there are four mine car positioning structures, which are respectively located at the two ends of the turnout rail 4. When the mine car is positioned, the mine car positioning structure is located on the outside of the tread of the mine car wheel. The mine car positioning structure is mainly composed of a block 10, an ear plate 11 and a pin 12. The block 10 is an inverted U-shape or a hook shape. The turnout slide 2 on the outside of the turnout rail 4 is welded with two ear plates 11. The outer end of the block 10 is hingedly connected to the ear plate 11 through the pin 12. The inner end of the block 10 spans the rail surface of the turnout rail 4 and is located on its inner side. In order to improve the stability of the mine car, a wedge can also be installed on the inner end surface of the block 10 on the main track travel direction side.

[0025] The use process of this embodiment is as follows: the transverse turnout push device is located at the turnout gap of the main track, the mine car runs on the main track to the turnout rail 4 of the transverse turnout push device, the block 10 of the mine car positioning structure at the right end of the transverse turnout push device is lowered, and after the mine car is in place, the block 10 of the mine car positioning structure at the left end of the transverse turnout push device is lowered, and the four blocks 10 limit the mine car. After the mine car is stable, the hydraulic system supplies high-pressure oil to the outer push hydraulic cylinder 5 and the inner push hydraulic cylinder 7, and the piston rods of the outer push hydraulic cylinder 5 and the inner push hydraulic cylinder 7 extend to push the turnout slide 2 horizontally to the turnout gap of the secondary track, and the turnout rail 4 is aligned with the rail of the secondary track, and the block 10 is flipped to the outside of the turnout rail 4, the limit of the mine car by the mine car positioning structure is released, and the mine car moves from the turnout rail 4 to the secondary track to run, realizing the reverse of the mine car, and the transverse turnout push device is reset.

[0026] The utility model can also install a turning hydraulic cylinder between the stopper 10 and the turnout slide 2, and the turning hydraulic cylinder drives the stopper 10 to turn over. The utility model uses a hydraulic cylinder as a driving force, is an intrinsically safe device, and can be used in narrow tunnels underground. The utility model can be operated by a single person or remotely, with extremely high production efficiency and greatly improved safety factor.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A lateral turnout pushing device for an underground mine car, the mine car runs on a main track and an auxiliary track, the main track and the auxiliary track are provided with corresponding turnout gaps, characterized in that: A transverse turnout pushing device is provided between the turnout gaps of the main track and the auxiliary track, the transverse turnout pushing device comprises two transversely arranged slide rails, a turnout slide seat is slidably mounted on the slide rails, two turnout rails are installed between the two turnout slide seats, and the turnout slide seat is provided with a mine car positioning structure; The outer side of the main track is provided with a transverse outer push hydraulic cylinder corresponding to the slide rail, and the turnout slide is equipped with a transverse inner push hydraulic cylinder. The outer push hydraulic cylinder and the inner push hydraulic cylinder are arranged opposite to each other and the piston rods are connected through a connecting assembly.

2. The lateral turnout pushing device for an underground mine car according to claim 1, characterized in that: The cylinder body of the outer displacement hydraulic cylinder is connected to the fixed base.

3. The lateral turnout pushing device for an underground mine car according to claim 1, characterized in that: The connecting assembly comprises an ear seat and an ear shaft. Seat holes are respectively provided at both ends of the ear seat. The piston rods of the outer push hydraulic cylinder and the inner push hydraulic cylinder are respectively connected to the ear seat through the ear shaft.

4. The lateral turnout pushing device for an underground mine car according to claim 1, characterized in that: Limiting bars slidably connected to the slide rails are respectively provided on both sides of the turnout slide.

5. The lateral turnout pushing device for an underground mine car according to claim 1, characterized in that: There are four mine car positioning structures, which are respectively located on the outer sides of the treads of the mine car wheels.

6. The lateral turnout pushing device for an underground mine car according to claim 1, characterized in that: The mine car positioning structure includes a block, an ear plate and a pin shaft. The block is inverted U-shaped. The turnout slide seat outside the turnout rail is fixed with an ear plate. The outer end of the block is hinged to the ear plate through the pin shaft, and the inner end of the block spans the track surface of the turnout rail.

7. The lateral turnout pushing device for an underground mine car according to claim 6, characterized in that: A wedge block is provided on the inner end surface of the stopper on one side of the main track running direction.

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