Mechanical cleaning device for underground coal bunker

Abstract

The utility model belongs to the technical field of coal bunker cleaning, and relates to a mechanical cleaning device for an underground coal bunker. Comprising a fixing plate, a driving structure is arranged at the top of the fixing plate, a connecting wire is wound around the driving structure, and a cleaning plate is connected to the end, away from the driving structure, of the connecting wire and located on the outer side of the fixing plate; the driving structure winds or releases the connecting line to drive the cleaning plate to move up and down; the top of the fixing plate is detachably connected with a plurality of balancing weights, the balancing weights are evenly distributed on the fixing plate, and the positions of the balancing weights correspond to the cleaning plate; according to the device, support does not need to be built in the underground coal bunker, the stability of the whole device can be achieved through balance between the balancing weight, the driving structure and the like and one side of the cleaning plate, meanwhile, cleaning of the bunker wall is achieved through the self weight of the cleaning plate, and the whole structure is simple; overall erection, implementation and use are convenient and fast.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal bunker cleaning, in particular to a mechanical cleaning device for an underground coal bunker. Background Art

[0002] As we all know, in the underground coal bunkers of coal mines (including the bottom coal bunker, the coal bunker in the mining area, the coal chute, etc.) or the ground coal storage bunkers and other mine material bunkers, there are often problems such as loose coal, sticking to the wall, frozen coal, and bunker blockage, which affect the safe production of coal mines and other mines. Traditional coal bunker cleaning is mostly done by workers who tie a safety rope around their bodies, enter the bunker, and use a long pole to clean the coal attached to the bunker wall. Not only is the work efficiency low, but the risk factor is also high. Some mine coal bunkers are cleaned by workers at the bottom, using long poles to poke and tamp, which is more dangerous and often causes accidents.

[0003] Patent CN 218854946 U in the prior art discloses a mechanical cleaning device for coal bunkers in coal mines; it includes a mechanical cleaning unit, a traction unit and a control unit; the upper support part is used to support the inner wall of the coal bunker, and the lower support part is used to stand on the ground of the coal bunker or support the inner wall of the coal bunker to form a support structure. The excavation part includes a plane rotating base, an upright rotating support seat and a retractable excavation arm; the plane rotating base is rotatably connected to the top of the lower support part; the upright rotating support seat is rotatably connected to the side of the plane rotating base, and the retractable excavation arm is fixedly connected to the upright rotating support seat toward the outside; although this device can also realize the cleaning of coal bunkers, the structure is relatively complex and not convenient enough when erecting and using. Utility Model Content

[0004] The utility model overcomes the shortcomings of the prior art and provides a mechanical cleaning device for an underground coal bunker; the utility model is realized through the following technical scheme.

[0005] A mechanical cleaning device for an underground coal bunker comprises a fixed plate, a driving structure is arranged on the top of the fixed plate, a connecting wire is wound around the driving structure, a cleaning plate is connected to the end of the connecting wire away from the driving structure, and the cleaning plate is located outside the fixed plate; the cleaning plate is driven up and down by winding or releasing the connecting wire through the driving structure; a plurality of counterweights are detachably connected to the top of the fixed plate, the plurality of counterweights are evenly distributed on the fixed plate, and the positions of the plurality of counterweights correspond to the cleaning plate.

[0006] Furthermore, rollers are symmetrically mounted on both sides of the fixing plate.

[0007] Furthermore, one end of the fixing plate is fixedly connected to a towing hook, and the towing hook is used to connect a towing device.

[0008] Furthermore, the driving structure includes a motor, a reducer, a fixed frame, and a winding shaft. The motor is connected to the reducer via a rotating shaft, one end of the winding shaft is connected to the reducer, and the winding shaft is rotatably connected to the fixed frame, and the bottom of the fixed frame is connected to the fixed plate; one end of the connecting wire away from the cleaning plate is fixedly connected to the winding shaft, and the connecting wire is wound around the winding shaft.

[0009] Furthermore, a support rod is welded to the top edge of the fixed plate, a rotation groove is opened at one end of the support rod, a guide wheel is rotatably connected in the rotation groove, and the connecting line passes around the guide wheel and is connected to the cleaning plate.

[0010] Furthermore, the top of the support rod is connected to a wire rack, the wire rack includes a support plate and a wire tube arranged on the top of the support plate, and the connecting wire runs through the wire tube.

[0011] Furthermore, a plurality of connecting rods are connected between the support rod and the fixing frame.

[0012] Furthermore, the fixing plate is installed with a controller, the controller is provided with a switch, and the switch, the motor and the controller are electrically connected.

[0013] Furthermore, the fixing plate is evenly provided with a plurality of placement grooves, and the counterweight blocks are placed in the placement grooves; and a handle is provided on the top of the counterweight block.

[0014] Further, the cleaning plate is a curved steel plate.

[0015] The beneficial effects of the utility model compared with the prior art are:

[0016] The mechanical cleaning device for underground coal bunker described in the utility model has a connecting wire connected to the driving structure, and one end of the connecting wire is connected to a cleaning plate. The driving structure is controlled by a controller and a switch to wind or release the connecting wire, so that the cleaning plate enters the coal bunker to clean the bunker wall. The towing hook is then connected by a traction device to realize the movement of the device, thereby improving the convenience of coal bunker cleaning and the safety of personnel.

[0017] The device of the utility model does not need to establish support in the underground coal bunker. The stability of the whole device can be achieved by balancing the counterweight block, the driving structure and the like with one side of the cleaning plate. At the same time, the bunker wall can be cleaned by relying on the deadweight of the cleaning plate. The overall structure is simple, and the bunker wall can be cleaned without excessive construction. The overall erection and implementation of the device are convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the mechanical cleaning device of the utility model;

[0019] Figure 2It is a schematic diagram of the top view structure of the utility model;

[0020] Figure 3 For this utility model Figure 1 A schematic diagram of the structure with a partial enlargement shown in FIG.

[0021] In the figure:

[0022] 1—fixed plate; 2—roller; 3—drag hook; 4—counterweight; 5—motor; 6—reducer; 7—fixed frame; 8—winding shaft; 9—connecting wire; 10—cleaning plate; 11—support rod; 12—guide wheel; 13—wire rack; 14—controller; 15—switch. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail in combination with the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. The technical solution of the present invention is described in detail below in combination with the embodiments and the accompanying drawings, but the scope of protection is not limited thereto.

[0024] like Figure 1-Figure 3 As shown, this embodiment provides a mechanical cleaning device for underground coal bunkers, including a fixed plate 1, two sets of rollers 2 are symmetrically installed on both sides of the fixed plate 1, and the entire cleaning device can be conveniently moved through the setting of the rollers 2, and can be moved to the corresponding position to specifically process the coal bunker wall below that needs to be cleaned. One end of the fixed plate 1 is fixedly connected to a towing hook 3, and a traction device is connected to the towing hook 3. The mechanical cleaning device can be moved by the cooperation of the towing hook 3, the traction device, and the rollers 2.

[0025] A controller 14 is installed on the top of the other end of the fixed plate 1, and a switch 15 is set on the top of the controller 14. A support rod 11 is welded on the top edge of the fixed plate 1, and a rotation groove is opened at one end of the support rod 11, and a guide wheel 12 is rotatably connected in the rotation groove. A wire rack 13 is connected to the top of the support rod 11. A driving structure is installed on the top of the fixed plate 1, and a connecting wire 9 is connected to the driving structure. A cleaning plate 10 is connected to one end of the connecting wire 9. The cleaning plate 10 is driven to move up and down by winding or releasing the connecting wire 9 through the driving structure. The cleaning plate 10 is an arc-shaped steel plate with a certain thickness. The cleaning plate 10 itself has a large weight. In the process of lowering the cleaning plate 10, the cleaning plate 10 relies on its own weight to knock and clean the residual coal on the coal bunker wall.

[0026] The driving structure includes a motor 5, a reducer 6, a fixed frame 7, and a winding shaft 8. The motor 5 is connected to the reducer 6 through a rotating shaft, one end of the winding shaft 8 is connected to the reducer 6, and the winding shaft 8 is rotatably connected to the fixed frame 7, and the bottom of the fixed frame 7 is connected to the fixed plate 1; one end of the connecting wire 9 away from the cleaning plate 10 is fixedly connected to the winding shaft 8, and the connecting wire 9 is wound around the winding shaft 8.

[0027] A plurality of counterweights 4 are installed on the top of the fixed plate 1, and a plurality of placement grooves are evenly distributed on the fixed plate 1, and the counterweights 4 are placed in the placement grooves; and a handle is connected to the top of each of the counterweights 4, through which the counterweight 4 can be lifted out of the fixed plate 1 for replacement, and the counterweight 4 is arranged corresponding to the fixed frame 7, so that it can maintain correspondence and balance with the position of the entire cleaning plate 10, making the device more stable during operation.

[0028] The switch 15 , the motor 5 and the controller 14 are electrically connected. The controller 14 can control the speed and rotation direction of the motor 5 . Two buttons are provided on the switch 15 , and the two buttons control the forward and reverse rotation of the motor 5 through the controller 14 respectively.

[0029] The wire rack 13 includes a support plate and a wire tube. The connecting wire 9 passes through the wire tube, and the wire tube can keep the connecting wire 9 stably rolled up or released.

[0030] The support rod 11 is tilted, and the end of the support rod 11 connected to the guide wheel 12 is located on the outside of the fixed plate 1, which is convenient for the cleaning plate 10 to enter the coal bin. A plurality of connecting rods are connected between the support rod 11 and the fixed frame 7, which improves the stability of the support rod 11.

[0031] The method of using the mechanical cleaning device for underground coal bunker described in this embodiment is as follows:

[0032] When in use, the mechanical cleaning device is placed on the ground at the top of the coal bunker, the traction equipment is put into the towing hook 3, and the fixed plate 1 is pulled by the traction equipment to move it to the position corresponding to the position to be cleaned, and then the switch 15 button is clicked to rotate the motor 5, and the motor 5 drives the reducer 6 to rotate, and the reducer 6 drives the winding shaft 8 to rotate, and releases the connecting line 9 to allow the cleaning plate 10 to enter the coal bunker. Due to the weight of the cleaning plate 10 itself, the coal attached to the bunker wall can be pushed off, and then the switch 15 button is clicked to reverse the winding shaft 8, wind the connecting line 9, lift the cleaning plate 10, and the traction equipment drives the fixed plate 1 to move to other positions to continue cleaning the coal bunker.

[0033] The above content is a further detailed description of the utility model in combination with a specific preferred implementation method. It cannot be determined that the specific implementation methods of the utility model are limited to this. For ordinary technicians in the technical field to which the utility model belongs, they can make several simple deductions or substitutions without departing from the utility model, which should be regarded as belonging to the utility model and the scope of patent protection determined by the submitted claims.

Claims

1. A mechanical cleaning device for an underground coal bunker, characterized in that: The invention comprises a fixed plate (1), wherein a driving structure is arranged on the top of the fixed plate (1), a connecting wire (9) is wound and connected to the driving structure, and an end of the connecting wire (9) away from the driving structure is connected to a cleaning plate (10), and the cleaning plate (10) is located outside the fixed plate (1); the cleaning plate (10) is driven to move up and down by winding or releasing the connecting wire (9) by the driving structure; and a plurality of counterweight blocks (4) are detachably connected to the top of the fixed plate (1), and the plurality of counterweight blocks (4) are evenly distributed on the fixed plate (1), and the positions of the plurality of counterweight blocks (4) correspond to the cleaning plate (10).

2. A mechanical cleaning device for an underground coal bunker according to claim 1, characterized in that: Rollers (2) are symmetrically mounted on both sides of the fixing plate (1).

3. A mechanical cleaning device for an underground coal bunker according to claim 1 or 2, characterized in that: One end of the fixing plate (1) is fixedly connected to a towing hook (3), and the towing hook (3) is used to connect to a towing device.

4. The mechanical cleaning device for underground coal bunker according to claim 1, characterized in that: The driving structure comprises a motor (5), a reducer (6), a fixing frame (7), and a winding shaft (8); the motor (5) is connected to the reducer (6) via a rotating shaft; one end of the winding shaft (8) is connected to the reducer (6); the winding shaft (8) is rotatably connected to the fixing frame (7); the bottom of the fixing frame (7) is connected to the fixing plate (1); one end of the connecting wire (9) away from the cleaning plate (10) is fixedly connected to the winding shaft (8), and the connecting wire (9) is wound around the winding shaft (8).

5. A mechanical cleaning device for an underground coal bunker according to claim 4, characterized in that: A support rod (11) is welded to the top edge of the fixed plate (1), one end of the support rod (11) is provided with a rotation groove, a guide wheel (12) is rotatably connected in the rotation groove, and the connecting line (9) passes around the guide wheel (12) and is connected to the cleaning plate (10).

6. A mechanical cleaning device for underground coal bunker according to claim 5, characterized in that: The top of the support rod (11) is connected to a wire rack (13), the wire rack (13) comprising a support plate and a wire tube arranged on the top of the support plate, and the connecting wire (9) passes through the wire tube.

7. The mechanical cleaning device for underground coal bunker according to claim 5, characterized in that: A plurality of connecting rods are connected between the support rod (11) and the fixing frame (7).

8. The mechanical cleaning device for underground coal bunker according to claim 4, characterized in that: The fixing plate (1) is installed with a controller (14), the controller (14) is provided with a switch (15), and the switch (15), the motor (5) and the controller (14) are electrically connected.

9. The mechanical cleaning device for underground coal bunker according to claim 1, characterized in that: The fixing plate (1) is evenly provided with a plurality of placement grooves, and the counterweight blocks (4) are placed in the placement grooves; a handle is provided on the top of the counterweight block (4).

10. The mechanical cleaning device for underground coal bunker according to claim 1, characterized in that: The cleaning plate (10) is a curved steel plate.

Images