Coal blocking device for coal mining machine

Abstract

The utility model belongs to the technical field of coal mining machine equipment, and is particularly a coal blocking device of a coal mining machine, comprising a supporting base plate, a reinforcing plate is arranged on one side of the supporting base plate, and a first slide groove is provided on the upper surface of the reinforcing plate, a sliding seat is connected in the first slide groove, and a buffer block is arranged on one side of the sliding seat, a buffer spring is arranged on the side of the buffer block away from the sliding seat, and a second slide groove is provided on the inner wall of the first slide groove, an electric telescopic rod is connected above the sliding seat, and a connecting seat is arranged at the upper end of the electric telescopic rod, a water pump is arranged on one side of the reinforcing plate, and a coal blocking plate is arranged above the supporting base plate. The utility model can achieve the purpose of improving the protective effect of the coal blocking plate by arranging a sliding seat, a buffer block and a buffer spring in the first slide groove of the reinforcing plate, arranging a connecting seat on the back of the coal blocking plate, and arranging an electric telescopic rod between the connecting seat and the sliding seat, and rotatably connecting the coal blocking plate to the supporting base plate through a hinge.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining machine equipment, in particular to a coal blocking device of a coal mining machine. Background Art

[0002] A coal mining machine is a large and complex system integrating mechanical, electrical and hydraulic functions. It has a harsh working environment. If a fault occurs, the entire coal mining operation will be interrupted, causing huge economic losses. When the coal mining machine is working, due to the geological conditions of the coal seam, the coal seam is prone to spalling or mining out, causing coal blocks or gangue on the side of the coal wall to fall onto the coal mining machine body, causing damage to the coal mining machine, interrupting the working process, and easily causing harm to underground workers. Therefore, a coal blocking device is needed to ensure normal coal mining and protect underground personnel.

[0003] The prior art has the following problems:

[0004] The coal blocking device of the existing coal mining machine is subjected to the impact force of the coal blocks when in use. With the continuous impact of the coal blocks, the coal blocking plate is easily damaged. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a coal blocking device for a coal mining machine, which solves the problem that the existing coal blocking plate is prone to damage.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a coal blocking device of a coal mining machine, comprising a supporting base plate, a reinforcing plate is provided on one side of the supporting base plate, and a first slide groove is provided on the upper surface of the reinforcing plate, a sliding seat is connected in the first slide groove, and a buffer block is provided on one side of the sliding seat, a buffer spring is provided on the side of the buffer block away from the sliding seat, and a second slide groove is provided on the inner wall of the first slide groove, an electric telescopic rod is connected above the sliding seat, and a connecting seat is provided at the upper end of the electric telescopic rod, a water pump is provided on one side of the reinforcing plate, and a coal blocking plate is provided above the supporting base plate, a connecting seat is provided at the upper end of the coal blocking plate, and the side wall of the connecting seat is connected to the supporting plate, a flow equalizing pipe is provided in the supporting plate, and a water pipe joint is provided on the upper surface of the supporting plate, and a water mist nozzle is provided on the lower bottom surface of the supporting plate.

[0007] As a preferred technical solution of the utility model, the reinforcing plates are perpendicular to the supporting bottom plate, and the three groups of reinforcing plates are arranged at equal distances.

[0008] As a preferred technical solution of the utility model, both ends of the sliding seat and the buffer block are provided with sliding blocks matching the size of the second slide groove, and the sliding seat and the buffer block are respectively slidably connected to the reinforcing plate through the sliding blocks at their ends.

[0009] As a preferred technical solution of the utility model, both ends of the electric telescopic rod are rotatably connected to the sliding seat and the connecting seat respectively, and the connecting seat is fixedly connected to the coal baffle plate by bolts.

[0010] As a preferred technical solution of the utility model, a slot matching the thickness of the coal baffle plate is provided on the connecting base, and a fixing knob is provided on the side wall of the slot.

[0011] As a preferred technical solution of the utility model, the flow equalizing pipe is connected to the water pump through a hose, and multiple groups of water mist nozzles are equidistantly arranged on the lower bottom surface of the support plate.

[0012] As a preferred technical solution of the utility model, the coal blocking plate is rotatably connected to the supporting bottom plate through a hinge, and fixing blocks are provided at the ends of the supporting bottom plate and the reinforcing plate.

[0013] Compared with the prior art, the utility model provides a coal blocking device for a coal mining machine, which has the following beneficial effects:

[0014] 1. The coal blocking device of the coal mining machine is provided with a sliding seat, a buffer block and a buffer spring in the first sliding groove of the reinforcing plate, and a connecting seat is provided on the back of the coal blocking plate. At the same time, an electric telescopic rod is provided between the connecting seat and the sliding seat, and the coal blocking plate is rotatably connected to the supporting bottom plate through a hinge. When in use, the coal blocking plate is supported or the angle is adjusted by the electric telescopic rod. When the coal blocking plate is hit, the sliding seat and the buffer block slide backward to compress the buffer spring, so that the impact force can be buffered, thereby achieving the purpose of protecting the coal blocking plate.

[0015] 2. The coal blocking device of the coal mining machine is provided with a connecting bracket at the upper end of the coal blocking plate, and a support plate is connected to the connecting bracket. At the same time, a flow equalizing pipe, a water pipe joint and a water mist nozzle are provided on the support plate, and the flow equalizing pipe is connected to the water pump through a hose. When in use, the water pump is started to spray water mist toward the front side of the coal blocking plate through the water mist nozzle, so as to achieve the purpose of dust reduction and avoid the phenomenon of dust splashing due to the collision of coal blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the local structure of the reinforcement plate of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the support plate of the utility model.

[0019] In the figure: 1. Support bottom plate; 2. Reinforcement plate; 3. First slide groove; 4. Sliding seat; 5. Buffer block; 6. Buffer spring; 7. Second slide groove; 8. Electric telescopic rod; 9. Connecting seat; 10. Water pump; 11. Coal baffle plate; 12. Connecting seat; 13. Support plate; 14. Flow equalizing pipe; 15. Water pipe joint; 16. Water mist nozzle. 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] See also Figure 1-3 The cam 12 is provided with a plurality of connecting rods 14, and a plurality of connecting rods 16 are provided on the upper surface of the cam 12. The cam 12 is provided with a plurality of connecting rods 14, and a plurality of connecting rods 16 are provided on the upper surface of the cam 12. The cam 12 is provided with a plurality of connecting rods 14, and a plurality of connecting rods 16 are provided on the upper surface of the cam 12.

[0022] In this embodiment, the reinforcing plate 2 is perpendicular to the supporting bottom plate 1, and the three groups of reinforcing plates 2 are arranged equidistantly to enhance the stability of the coal blocking plate 11; both ends of the sliding seat 4 and the buffer block 5 are provided with sliders matching the size of the second slide groove 7, and the sliding seat 4 and the buffer block 5 are respectively slidably connected to the reinforcing plate 2 through the sliders at their ends so that the sliding seat 4 and the buffer block 5 can slide; the two ends of the electric telescopic rod 8 are respectively rotatably connected to the sliding seat 4 and the connecting seat 9, and the connecting seat 9 is fixedly connected to the coal blocking plate 11 by bolts so as to adjust the coal blocking plate 11 is used for angle adjustment; a slot matching the thickness of the coal baffle plate 11 is provided on the connecting base 12, and a fixing knob is provided on the side wall of the slot to facilitate loading and unloading of the support plate 13; the flow equalizing pipe 14 is connected to the water pump 10 through a hose, and a plurality of groups of water mist nozzles 16 are equidistantly arranged on the lower bottom surface of the support plate 13 to achieve the purpose of dust reduction by spraying water mist; the coal baffle plate 11 is rotatably connected to the support base plate 1 through a hinge, and the ends of the support base plate 1 and the reinforcing plate 2 are provided with fixing blocks to fix the support base plate 1.

[0023] The working principle and use process of the utility model are as follows: during installation, first fix the supporting base plate 1 and the reinforcing plate 2 on the coal mining machine by bolts, then start the electric telescopic rod 8 to adjust the angle of the coal baffle plate 11, and fix the supporting plate 13 to the upper end of the coal baffle plate 11 through the connecting bracket 12, and at the same time connect the water pump 10 to the flow equalizing pipe 14 through a hose. When in use, start the water pump 10 to spray water mist through the water mist nozzle 16, which can reduce the dust caused by the coal blocks. At the same time, the impact force generated by the coal blocks hitting the coal baffle plate 11 can be buffered by the buffer spring 6 and the buffer block 5.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A coal blocking device for a coal mining machine, comprising a supporting bottom plate (1), characterized in that: A reinforcing plate (2) is provided on one side of the supporting bottom plate (1), and a first sliding groove (3) is provided on the upper surface of the reinforcing plate (2), a sliding seat (4) is connected inside the first sliding groove (3), a buffer block (5) is provided on one side of the sliding seat (4), a buffer spring (6) is provided on the side of the buffer block (5) away from the sliding seat (4), and a second sliding groove (7) is provided on the inner wall of the first sliding groove (3), an electric telescopic rod (8) is connected above the sliding seat (4), and the upper portion of the electric telescopic rod (8) is provided with a buffer spring (6). A connecting seat (9) is provided at the end, a water pump (10) is provided on one side of the reinforcing plate (2), and a coal blocking plate (11) is provided above the supporting bottom plate (1), a connecting clamping seat (12) is provided at the upper end of the coal blocking plate (11), and a supporting plate (13) is connected to the side wall of the connecting clamping seat (12), a flow equalizing pipe (14) is provided in the supporting plate (13), a water pipe joint (15) is provided on the upper surface of the supporting plate (13), and a water mist nozzle (16) is provided on the lower bottom surface of the supporting plate (13).

2. A coal blocking device for a coal mining machine according to claim 1, characterized in that: The reinforcing plates (2) and the supporting bottom plate (1) are perpendicular to each other, and the three groups of reinforcing plates (2) are arranged at equal distances.

3. The coal blocking device of a coal mining machine according to claim 1, characterized in that: Both ends of the sliding seat (4) and the buffer block (5) are provided with sliding blocks that match the size of the second sliding groove (7), and the sliding seat (4) and the buffer block (5) are respectively slidably connected to the reinforcing plate (2) via the sliding blocks at their ends.

4. The coal blocking device of a coal mining machine according to claim 1, characterized in that: The two ends of the electric telescopic rod (8) are rotatably connected to the sliding seat (4) and the connecting seat (9), respectively, and the connecting seat (9) is fixedly connected to the coal baffle plate (11) via bolts.

5. The coal blocking device of a coal mining machine according to claim 1, characterized in that: The connecting clamping seat (12) is provided with a clamping groove matching the thickness of the coal blocking plate (11), and a fixing knob is provided on the side wall of the clamping groove.

6. The coal blocking device of a coal mining machine according to claim 1, characterized in that: The flow equalizing pipe (14) is connected to the water pump (10) via a hose, and a plurality of groups of water mist nozzles (16) are arranged at equal intervals on the lower bottom surface of the support plate (13).

7. The coal blocking device of a coal mining machine according to claim 1, characterized in that: The coal blocking plate (11) is rotatably connected to the supporting bottom plate (1) via a hinge, and fixed blocks are provided at the ends of the supporting bottom plate (1) and the reinforcing plate (2).

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