Underground coal mine rail transportation overturning unloading device and rail car

Abstract

The utility model discloses a turnover unloading device for underground coal mine rail transportation, and belongs to the technical field of coal mine mechanical transportation equipment. The turnover unloading device is suitable for turnover unloading operation of a fixed non-self-unloading mine car in an underground coal mine, consists of a power lifting device, a base fixing device and a turnover dumping device, and comprises a steel wire rope tractor, a top plate fixed pulley, a fixed base, a track, a turnover rod and a turnover rod base stand column. According to the underground coal mine rail transportation overturning unloading device, the defects that underground unloading of a conventional mine car is limited in space operation, high in cost, inconvenient to transfer and the like can be overcome, and manpower and material resources are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine mechanical transportation equipment technical field especially is related to a coal mine underground track transportation turnover unloading device. BACKGROUND

[0002] The track transportation under the mine shaft mining mode is still one of the underground mainstream transportation modes currently, adopts the railway mine car carrying mode, has the advantages such as mine car connection integration, large transport capacity, material classification and distribution, and can realize large inclination roadway transportation, and the track transportation needs to frequently carry out the loading and unloading of mine car, transloading operation in the limited space underground, therefore, the track transportation type mine car has higher requirements on loading and unloading, transloading and other functions.

[0003] At present, the track transportation type mine car still has a fixed mine car, and the mine car turnover self-unloading function cannot be realized. To realize the mine car turnover self-unloading work, the existing technology often reforms and upgrades the mine car, but the structure of the reformed mine car is often relatively complex, and dust and debris and other sundries in the harsh environment can reduce the service cycle of fine components, thereby limiting the use range of the mine car. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems of the fixed mine car in the prior art, such as the inability to turn over and self-unload, and the high reform cost of the mine car, and provides a coal mine underground track transportation turnover unloading device, which can expand the loading and unloading limitations of the fixed mine car to the track transportation scenes such as underground roadway temporary construction points and limited space unloading.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a coal mine underground track transportation turnover unloading device, which comprises a power lifting device, a base fixing device and a turnover tilting device.

[0007] The base fixing device is a bridging track connecting two underground tracks, comprising two steel rails and at least two bearing rods fixed below the steel rails; wherein the two steel rails are a first steel rail and a second steel rail, and the two bearing rods are a first bearing rod and a second bearing rod; one side of the base fixing device parallel to the steel rails is connected with the power lifting device, and the other side parallel to the steel rails is connected with the turnover tilting device.

[0008] The turnover tilting device comprises a base stand and a turnover shaft, the lower end of the base stand is fixed on the foundation, the top end of the base stand is rotationally connected with the fixed end of the turnover shaft, and the rotating end of the turnover shaft is rigidly connected with the bearing base of the base fixing device; when the turnover shaft naturally droops, the base fixing device is located on the foundation and is butted with the two underground tracks.

[0009] The mine car is detachably arranged on the base fixing device.

[0010] Specifically preferably, the first load-bearing rod is fixed perpendicularly to the first and second rails, and the second load-bearing rod is fixed perpendicularly to the first and second rails.

[0011] Further preferably, the first load-bearing rod is provided with a first base hook, the second load-bearing rod is provided with a second base hook, the front end of the mine car is connected to the first base hook through a first side wire rope, and the tail end of the mine car is connected to the second base hook through a second side wire rope; the base fixing device is provided with a third base hook, and the third base hook is connected to the power lifting device through a traction rope.

[0012] Further preferably, the first base hook has two, respectively located at both ends of the first load-bearing rod, the second base hook has two, respectively located at both ends of the second load-bearing rod; and the third base hook is arranged on the rail.

[0013] Specifically preferably, the overturning and tilting device comprises at least two groups of base columns and overturning shafts.

[0014] Further preferably, the overturning and tilting device further comprises an overturning rod, the overturning rod is arranged between two adjacent groups of base columns and overturning shafts, the base column is rotationally connected to the fixed end of the overturning shaft, the two ends of the overturning rod are rigidly connected to the rotating ends of the two overturning shafts, and the overturning rod is fixedly connected to the at least two load-bearing rods.

[0015] Specifically preferably, in the overturning and tilting device, the fixed end of the overturning shaft is rotationally connected to the top end of the base column through a pin.

[0016] Specifically preferably, in the overturning and tilting device, a limiting pin is installed at the top end of the base column to limit the overturning shaft from driving the base fixing device to deviate away from the underground rail.

[0017] Specifically preferably, the power lifting device comprises a traction rope, a traction device and a top plate fixed pulley, the traction rope is arranged on the upper edge of the top plate fixed pulley, one end of the traction rope is wound on the rope wheel of the traction device, and the other end of the traction rope is connected to one side of the steel rail of the base fixing device.

[0018] The second object of the utility model is to provide a rail car running on the above-mentioned coal mine underground rail transportation overturning and unloading device.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] The utility model rail transport overturning unloading device includes power lifting device, base fixing device, overturning and tilting device and mine car, through to the simple transformation of the existing underground track, the overturning unloading of mine car can be realized, the overall structure of device is simple, is convenient for arranging in the limited control, expands the application scene of rail transport overturning unloading device. The utility model through simple transformation of underground track, base fixing device is set to the bridging track of connecting two underground tracks, and can be well connected with the original transport track, when the device is not used, the fixed device setting can also be used as a part of transport track for mine car transportation operation, meet the use under various working conditions, simultaneously, the utility model proposes that power lifting device and base fixing device are flexibly connected through traction rope, so that power lifting device can adjust the installation position according to actual working condition environment, other components adopt hard connection, convenient to maintain, can meet the temporary mine car transfer requirement under various severe environments such as coal mine, tunnel. Further, the device does not need to transform the structure of mine car body, various existing mine cars can be applied with the power lifting device, base fixing device and overturning and tilting device of the utility model, can realize the overturning unloading of various mine cars, and the application range is very wide, and the transformation cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the plane schematic diagram of coal mine underground track transport overturning unloading device of embodiment;

[0022] Figure 2 It is the section schematic diagram of coal mine underground track transport overturning unloading device of embodiment;

[0023] Figure 3 It is the lifting section schematic diagram of coal mine underground track transport overturning unloading device of embodiment;

[0024] Figure 4 It is the connection situation plane schematic diagram of coal mine underground track transport overturning unloading device of embodiment;

[0025] Among them: 1-tow rope, 2-tow, 3-top plate fixed pulley, 401-first base hook A, 402-second base hook, 5-third base hook, 6-second base hook A, 7-track, 701-first rail, 702-second rail, 8-first side position wire rope, 9-second side position wire rope, 10-first load rod, 11-second load rod, 12-first base hook B, 13-second base hook B, 14-mine car, 15-overturning rod, 16-first base stand, 17-second base stand, 18-first overturning pivot, 19-second overturning pivot. DETAILED DESCRIPTION

[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0027] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. It should be noted that, unless otherwise explicitly specified and limited, the terms "fixed," "installed," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] For the specific structure of the coal mine underground rail transport tilting and unloading device proposed in this utility model, please refer to [link / reference needed]. Figure 1 Specifically, it includes: a power lifting device, a base fixing device, a tipping and tilting device, and a mine car 14;

[0029] See Figure 2 The power lifting device mainly includes a traction device 2, a traction rope 1, and a top plate fixed pulley 3. The traction rope crosses the upper edge of the top plate fixed pulley 3, with one end fixed to the traction wheel of the traction device 2 and the other end passing around the top plate fixed pulley 3 and connected to the base fixing device.

[0030] Combination Figure 1 , Figure 2 and Figure 4 , Figure 1 This is a top view of the device. Figure 2 This is a cross-sectional schematic diagram of the device. The base fixing device is a bridging rail that connects two sections of rail, specifically including two parallel sections of rail. See [link / reference]. Figure 4 That is, the first rail 701 and the second rail 702. The first rail 701 and the second rail 702 are fixed by a load-bearing bar located below them. In terms of overall structure, the first rail 701 is closer to the power lifting device than the second rail 702.

[0031] In some embodiments of this utility model, the traction rope 1 can be connected to the middle part of the first rail 701 through the third base hook 5. The traction rope 1 can also be connected to other parts of the base fixing device. When the traction rope 1 is tightened and continuously tightened, the base fixing device can be pulled off the ground.

[0032] In some embodiments of this utility model, there may be two or more load-bearing bars under the first rail 701 and the second rail 702, which can be used to securely fix the rail 7.

[0033] In some embodiments of this utility model, the first base hook A4 and the first base hook B12 are provided at both ends of the first load-bearing bar 10, and the second base hook A6 and the second base hook B13 are provided at both ends of the second load-bearing bar 11. The front end of the mine car 14 is connected to the first base hook A4 and the first base hook B12 through the first lateral steel wire rope 8, and the rear end of the mine car 14 is connected to the second base hook A6 and the second base hook B13 through the second lateral steel wire rope 9. The base fixing device is provided with a third base hook 5, and the third base hook 5 is connected to the power lifting device through the traction rope 1.

[0034] Combination Figure 1 , Figure 2 and Figure 3 As can be seen, this utility model provides a tilting and flipping device. Figure 3 This is a cross-sectional diagram showing the base fixing device being pulled off the ground by the traction rope and in the middle of its movement. It can be seen that the tilting and overturning device includes a first base column 16, a second base column 17, a second tilting shaft 18, and a second tilting shaft 19. Figure 3 As can be seen, the fixed end of the second flipping shaft 19 is rotatably connected to the top of the second base column 17, and the rotating end of the second flipping shaft 19 is connected to the base fixing device.

[0035] In embodiments of this utility model, a tilting device may include a base column and a tilting shaft connected to the base column, or it may include two or more base columns connected to the tilting shaft. When there are two base columns, a tilting rod 15 may be connected between the two base columns. The end of the tilting rod 15 is connected to the rotating end of the tilting shaft, and the load-bearing rod of the base fixing device is rigidly connected to the tilting rod.

[0036] In these embodiments, the tilting device is connected to the base fixing device via the tilting rod 15. As the traction device 2 drives the traction rope 1 to pull the base fixing device off the ground, the tilting rod 15 and the tilting shaft are pulled up synchronously. The tilting shaft is connected to the base column via the rotating end, thus maintaining the stability of the entire structure.

[0037] In some preferred embodiments, a limiting pin is provided on the side of the base column that is farther away from the base fixing device. The limiting pin can be a damping structure that is set on the rotating pin at the top of the base column, or it can be a crossbeam fixed on the column body of the base column, so as to limit the rotation shaft from causing the base fixing device to deviate in a direction away from the underground track.

[0038] In some embodiments of this utility model, the top plate fixed pulley 3 is fixed to the top of the mine tunnel by a base. In other embodiments, a slide rail can be installed on the top of the mine tunnel, the direction of the slide rail being perpendicular to the direction of the underground track extension. The base of the top plate fixed pulley 3 can slide steplessly along the slide rail and can stop at any position on the track. By changing the distance between the top plate fixed pulley 3 and the mine car in the horizontal direction, the degree of lifting of the traction rope 1 on the base fixing device can be controlled.

[0039] The mine car 14 used in this utility model is a conventional mine car. In some embodiments, the mine car has a U-shaped open body, and the arc-shaped bottom of the body is conducive to the complete dumping of the contents.

[0040] The device proposed in this utility model operates as follows:

[0041] The power lifting device is provided with traction force by a traction rope 1 and a traction device 2. The power lifting traction rope 1 passes through the top plate fixed pulley 3 and is fixed to the third base hook 5 of the base fixing device. The traction of the power lifting traction rope 1 is controlled by the top plate fixed pulley 3 to change the traction direction of the power lifting traction rope 1. The power lifting traction rope 1 lifts the base fixing device. The base fixing device is fixedly connected to the rotating tilting device through the flipping rod 15, the first flipping shaft 18, and the second flipping shaft 19. This connection controls the pivot pin connection between the first flipping shaft 18, the second flipping shaft 19, and the pivot pin connection on the first base column 16 and the second base column 17 to achieve the tilting, lifting, and unloading of the mine car 14.

[0042] Other components and operations of the coal mine underground rail transport tilting and unloading device according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here. Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A coal mine underground rail transport tilting and unloading device, characterized in that, Includes a power lifting device, a base fixing device, and a tipping and tilting device; The base fixing device is a bridging rail connecting two sections of underground rails, including two steel rails and at least two load-bearing bars fixed below the steel rails; wherein, the two steel rails are the first steel rail (701) and the second steel rail (702), and the two load-bearing bars are the first load-bearing bar (10) and the second load-bearing bar (11); the side of the base fixing device parallel to the steel rails is connected to the power hoisting device, and the other side parallel to the steel rails is connected to the tilting device; The tilting device includes a base column and a tilting shaft. The lower end of the base column is fixed to the foundation, and the top end of the base column is rotatably connected to the fixed end of the tilting shaft. The rotating end of the tilting shaft is rigidly connected to the load-bearing base of the base fixing device. When the tilting shaft hangs down naturally, the base fixing device is located on the foundation and docks with the two sections of underground track. The mine car can be detachably mounted on the base fixing device.

2. The coal mine underground rail transport tilting and unloading device according to claim 1, characterized in that, The first load-bearing bar (10) is fixed perpendicularly to the first rail (701) and the second rail (702), and the second load-bearing bar (11) is fixed perpendicularly to the first rail (701) and the second rail (702).

3. The coal mine underground rail transport tilting and unloading device according to claim 2, characterized in that, A first base hook is provided on the first load-bearing bar (10), and a second base hook is provided on the second load-bearing bar (11). The front end of the mine car is connected to the first base hook via a first side steel wire rope, and the rear end of the mine car is connected to the second base hook via a second side steel wire rope. The base fixing device is provided with a third base hook (5), and the third base hook (5) is connected to the power lifting device via a traction rope (1).

4. The coal mine underground rail transport tilting and unloading device according to claim 3, characterized in that, The first base hook has two, located at both ends of the first load-bearing bar (10); the second base hook has two, located at both ends of the second load-bearing bar (11); and the third base hook (5) is set on the rail.

5. The coal mine underground rail transport tilting and unloading device according to claim 1, characterized in that, The tilting and overturning device includes at least two sets of base columns and a tilting shaft.

6. The coal mine underground rail transport tilting and unloading device according to claim 5, characterized in that, The tilting device also includes a flipping rod (15), which is set between two adjacent sets of base columns and flipping shafts. The base columns are rotatably connected to the fixed ends of the flipping shafts. The two ends of the flipping rod (15) are rigidly connected to the rotating ends of the two flipping shafts. The flipping rod (15) is fixedly connected to the at least two load-bearing bars.

7. The coal mine underground rail transport tilting and unloading device according to claim 1, characterized in that, In the tilting device, the fixed end of the tilting shaft is rotatably connected to the top of the base column by a pin.

8. The coal mine underground rail transport tilting and unloading device according to claim 1, characterized in that, In the tilting device, a limiting pin is installed at the top of the base column to restrict the tilting shaft from causing the base fixing device to deviate away from the underground track.

9. The coal mine underground rail transport tilting and unloading device according to claim 1, characterized in that, The power lifting device includes a traction rope (1), a traction device (2) and a top plate fixed pulley (3). The traction rope (1) is threaded through the upper edge of the top plate fixed pulley (3), with one end wrapped around the rope wheel (201) of the traction device (2) and the other end connected to the rail on one side of the base fixing device.

10. A railcar, characterized in that, It operates on the coal mine underground rail transport tilting and unloading device as described in any one of claims 1-9.

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