Coal mine excavating and coal mining machine coal blocking structure

Abstract

The utility model relates to the technical field of coal mining auxiliary equipment, concretely relates to a coal mine mining coal mining machine's coal blocking structure, including the butt joint plate and the board face adjusting assembly, the board face adjusting assembly includes the fixed base, the rotary column, the adjusting screw rod, the fixed sleeve and the movable baffle, the butt joint plate has the accommodating cavity, the movable baffle is slidably connected with the butt joint plate, the movable baffle is located the inside of accommodating cavity, the fixed base is fixedly connected with the butt joint plate, the fixed base is located the inside of accommodating cavity, the rotary column is rotatably connected with the fixed base one end, the rotary column is fixedly connected with the adjusting screw rod one end the other end, the adjusting screw rod is fixedly connected with the fixed sleeve thread, the fixed sleeve is fixedly connected with the movable baffle, the fixed sleeve is located the inside of movable baffle, when needing to increase the coal blocking area, rotates the rotary column to make the movable baffle remove from the inside of butt joint plate, can increase the coal blocking area to improve practicality.

Description

Technical Field

[0001] This utility model relates to the field of coal mining auxiliary equipment technology, and in particular to a coal-blocking structure for a coal mining machine. Background Technology

[0002] Coal mining machines are one of the important pieces of equipment for realizing the mechanization and modernization of coal mine production. Mechanized coal mining can reduce physical labor and improve safety. When working, coal mining machines need to block coal to prevent coal chunks from flying and falling into the working components. Ordinary coal blocking plates are relatively troublesome to splice.

[0003] The utility model patent with publication number CN211058796U provides a coal retaining plate for a coal mining machine. By setting up a connecting groove and a connecting plate, when splicing is required, the worker puts the insert plate into the groove through the connecting plate, and then screws the fixing bolts into the threaded fixing holes. This allows the receiving plate and the insert plate to be fixed and connected, so that the coal retaining plate can be assembled and disassembled, making it convenient for workers to move it. It can also be used for large-area coal retaining work.

[0004] The above solution uses a receiving plate to block coal, but the plate area is fixed, and it cannot completely block coal blocks when there are many coal mines, which reduces its practicality. Utility Model Content

[0005] The purpose of this utility model is to provide a coal blocking structure for a coal mining machine, which solves the problem that the fixed plate area of ​​the receiving plate cannot completely block coal blocks when there are many coal blocks, thus reducing its practicality.

[0006] To achieve the above objectives, this utility model provides a coal-blocking structure for a coal mining machine, including a receiving plate and a plate adjustment assembly. The plate adjustment assembly includes a fixed seat, a rotating column, an adjusting screw, a fixed sleeve, and a movable baffle. The receiving plate has a receiving cavity, and the movable baffle is slidably connected to the receiving plate and located inside the receiving cavity. The fixed seat is fixedly connected to the receiving plate and located inside the receiving cavity. One end of the rotating column is rotatably connected to the fixed seat, and the other end of the rotating column is fixedly connected to one end of the adjusting screw. The other end of the adjusting screw is threadedly connected to the fixed sleeve, and the fixed sleeve is fixedly connected to the movable baffle and located inside the movable baffle.

[0007] The plate adjustment assembly further includes two limiting blocks, which are fixedly connected to the rotating column and located on both sides of the fixed base.

[0008] The plate adjustment assembly further includes a rotating block, which is fixedly connected to the limiting block, and the rotating block is located at the end of the limiting block away from the rotating column.

[0009] The plate adjustment assembly further includes two limiting rod groups, which are respectively disposed on the upper and lower sides of the adjusting screw. Each limiting rod group includes a fixed rod, a movable rod, and a mounting base. The mounting base is fixedly connected to the receiving plate. One end of the fixed rod is fixedly connected to the mounting base, and the other end of the fixed rod is slidably connected to one end of the movable rod. The movable rod is located inside the fixed rod, and the other end of the movable rod is fixedly connected to the movable baffle.

[0010] The plate adjustment assembly further includes a connecting structure, which includes a fixed cylinder, a rotating cylinder, and a connecting cylinder. One end of the fixed cylinder is fixedly connected to the receiving plate, the other end of the fixed cylinder is threadedly connected to one end of the rotating cylinder, and the other end of the rotating cylinder is rotatably connected to one end of the connecting cylinder.

[0011] This utility model discloses a coal-blocking structure for a coal mining machine. The rotating column can rotate relative to the fixed base. When the rotating column rotates, the adjusting screw rotates along with it. As the adjusting screw rotates, its length within the fixed sleeve changes, causing the movable baffle to slide relative to the receiving plate. This allows for adjustment of the movable baffle's position. When an increase in the coal-blocking area is needed, rotating the rotating column moves the movable baffle out of the receiving plate, thus increasing the coal-blocking area and improving practicality. This solves the problem that a fixed receiving plate area cannot completely block coal blocks when there are many coal deposits, reducing its practicality. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0013] Figure 1 This is a schematic diagram of the coal-blocking structure of a coal mining machine according to the present invention.

[0014] Figure 2 This is a cross-sectional view of the coal-blocking structure of a coal mining machine according to this utility model.

[0015] Figure 3 This is a cross-sectional view of the coal-blocking structure of a coal mining machine according to this utility model from another direction.

[0016] 100-Receiving plate, 110-Accommodating cavity, 210-Fixed seat, 220-Rotating column, 230-Adjusting screw, 240-Fixed sleeve, 250-Modible baffle, 260-Limiting block, 270-Rotating block, 281-Fixed rod, 282-Modible rod, 283-Mounting seat, 291-Fixed cylinder, 292-Rotating cylinder, 293-Connecting cylinder. Detailed Implementation

[0017] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0018] Please see Figures 1 to 3 , Figure 1 This is a schematic diagram of the coal-blocking structure of a coal mining machine according to this utility model. Figure 2 This is a structural cross-sectional view of the coal-blocking structure of a coal mining machine according to this utility model. Figure 3 This is a cross-sectional view of the coal-blocking structure of a coal mining machine according to this utility model from another direction.

[0019] This utility model provides a coal-blocking structure for a coal mining machine, including a receiving plate 100 and a plate adjustment assembly; the plate adjustment assembly includes a fixed base 210, a rotating column 220, an adjusting screw 230, a fixed sleeve 240, a movable baffle 250, two limiting blocks 260, a rotating block 270, two limiting rod groups and a connecting structure, the limiting rod groups including a fixed rod 281, a movable rod 282 and a mounting base 283, and the connecting structure including a fixed cylinder 291, a rotating cylinder 292 and a connecting cylinder 293;

[0020] In this specific embodiment, the receiving plate 100 has a receiving cavity 110. The movable baffle 250 is slidably connected to the receiving plate 100 and is located inside the receiving cavity 110. The fixed seat 210 is fixedly connected to the receiving plate 100 and is located inside the receiving cavity 110. One end of the rotating column 220 is rotatably connected to the fixed seat 210, and the other end of the rotating column 220 is fixedly connected to one end of the adjusting screw 230. The other end of the adjusting screw 230 is threadedly connected to the fixed sleeve 240, and the fixed sleeve 240 is fixedly connected to the movable baffle 250 and is located inside the movable baffle 250. The movable baffle 250 can slide relative to the receiving plate 100, allowing it to slide out of the receiving cavity 110 of the receiving plate 100, thereby increasing the coal-blocking area. The rotating column 220 can rotate relative to the fixed base 210. When the rotating column 220 rotates, the adjusting screw 230 will rotate together with the rotating column 220. When the adjusting screw 230 rotates, the length of the adjusting screw 230 in the fixed sleeve 240 will change, thereby causing the movable baffle 250 to slide relative to the receiving plate 100 when the adjusting screw 230 rotates. This allows for adjustment of the position of the movable baffle 250. When it is necessary to increase the coal blocking area, rotating the rotating column 220 will move the movable baffle 250 out of the inside of the receiving plate 100, thereby increasing the coal blocking area and improving practicality. This solves the problem that the fixed plate area of ​​the receiving plate 100 cannot completely block coal blocks when there are many coal mines, thus reducing practicality.

[0021] Furthermore, the two limiting blocks 260 are respectively fixedly connected to the rotating column 220, and the two limiting blocks 260 are respectively located on both sides of the fixed base 210. The two limiting blocks cooperate with each other to restrict the position of the rotating column 220, so that the rotating column 220 can rotate better relative to the fixed base 210.

[0022] Specifically, the rotating block 270 is fixedly connected to the limiting block 260, and the rotating block 270 is located at the end of the limiting block 260 away from the rotating column 220. The rotating block 270 is provided on the limiting block 260, allowing the rotating column 220 to be rotated, thereby rotating the adjusting screw 230 to adjust the position of the movable baffle 250.

[0023] Two limiting rod assemblies are respectively disposed on the upper and lower sides of the adjusting screw 230. The mounting base 283 is fixedly connected to the receiving plate 100. One end of the fixed rod 281 is fixedly connected to the mounting base 283, and the other end of the fixed rod 281 is slidably connected to one end of the movable rod 282. The movable rod 282 is located inside the fixed rod 281, and the other end of the movable rod 282 is fixedly connected to the movable baffle 250. The limiting rod assemblies are used to restrict the movement of the movable baffle 250, allowing the movable baffle 250 to slide better relative to the receiving plate 100. The movable rod 282 can slide relative to the fixed rod 281. When the movable baffle 250 moves out of the receiving plate 100, the movable rod 282 moves out from inside the fixed rod 281 to match the movement distance of the movable baffle 250.

[0024] In addition, one end of the fixed cylinder 291 is fixedly connected to the receiving plate 100, and the other end of the fixed cylinder 291 is threadedly connected to one end of the rotating cylinder 292. The other end of the rotating cylinder 292 is rotatably connected to one end of the connecting cylinder 293. The end of the connecting cylinder 293 away from the rotating cylinder 292 is connected to the coal mining machine. The rotating cylinder 292 is provided with a threaded head, and the fixed cylinder 291 is provided with a threaded groove that matches the threaded head. The rotating cylinder 292 and the fixed cylinder 291 are detachably connected through the mutual cooperation of the threaded head and the threaded groove. When it is necessary to disassemble the receiving plate 100, the rotating cylinder 292 can be rotated to remove the threaded head from the threaded groove, thus allowing the receiving plate 100 to be disassembled from the coal mining machine. The disassembly method is very convenient. When it is necessary to install the receiving plate 100 on the coal mining machine, the rotating cylinder 292 and the fixed cylinder 291 can be directly connected.

[0025] When using a coal-blocking structure of a coal mining machine, if it is necessary to adjust the coal-blocking area, the rotating block 270 is used to rotate the rotating column 220 so that the movable baffle 250 moves out of the inside of the receiving plate 100, thereby increasing the coal-blocking area and improving practicality.

[0026] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A coal-blocking structure for a coal mining machine, comprising a receiving plate, characterized in that, It also includes panel adjustment components; The plate adjustment assembly includes a fixed base, a rotating column, an adjusting screw, a fixed sleeve, and a movable baffle. The receiving plate has a receiving cavity. The movable baffle is slidably connected to the receiving plate and is located inside the receiving cavity. The fixed base is fixedly connected to the receiving plate and is located inside the receiving cavity. One end of the rotating column is rotatably connected to the fixed base, and the other end of the rotating column is fixedly connected to one end of the adjusting screw. The other end of the adjusting screw is threadedly connected to the fixed sleeve. The fixed sleeve is fixedly connected to the movable baffle and is located inside the movable baffle.

2. The coal-blocking structure of the coal mining machine as described in claim 1, characterized in that, The plate adjustment assembly also includes two limiting blocks, which are fixedly connected to the rotating column and are located on both sides of the fixed base.

3. The coal retaining structure of the coal mining machine as described in claim 2, characterized in that, The plate adjustment assembly also includes a rotating block, which is fixedly connected to the limiting block, and the rotating block is located at the end of the limiting block away from the rotating column.

4. The coal-blocking structure of the coal mining machine as described in claim 1, characterized in that, The plate adjustment assembly further includes two limiting rod groups, which are respectively disposed on the upper and lower sides of the adjusting screw. Each limiting rod group includes a fixed rod, a movable rod, and a mounting base. The mounting base is fixedly connected to the receiving plate. One end of the fixed rod is fixedly connected to the mounting base, and the other end of the fixed rod is slidably connected to one end of the movable rod. The movable rod is located inside the fixed rod, and the other end of the movable rod is fixedly connected to the movable baffle.

5. The coal retaining structure of the coal mining machine as described in claim 1, characterized in that, The plate adjustment assembly further includes a connecting structure, which includes a fixed cylinder, a rotating cylinder, and a connecting cylinder. One end of the fixed cylinder is fixedly connected to the receiving plate, the other end of the fixed cylinder is threadedly connected to one end of the rotating cylinder, and the other end of the rotating cylinder is rotatably connected to one end of the connecting cylinder.

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