CN220299544U - A floating coal cleaning device used between scraper conveyor and hydraulic support - Google Patents

Abstract

The utility model relates to the field of coal mine machinery, in particular to a floating coal cleaning device used between a scraper conveyor and a hydraulic support. Bucket, the base is movably installed on the scraper conveyor, the rotary column is rotatably installed on the base along the vertical direction, the ends of the big arm and the small arm are hinged, the end of the connecting arm is connected to the hydraulic push rod, and the end of the hydraulic push rod The grab frame is fixedly connected, the inner side of the hinged grab is connected to the grab frame, the lower end of the connecting rod is hinged to the upper side of the grab, and the upper end of the connecting rod is hinged to the connecting arm. The utility model can automatically complete the cleaning work of floating coal on one side of the hydraulic support of the scraper conveyor, reducing the labor force of workers, greatly improving safety and work efficiency, and is safe and reliable; it can automatically identify the position of floating coal and complete the cleaning of the scraper conveyor. Inspection of floating coal on one side of the hydraulic support of the conveyor saves time and effort and improves detection efficiency.

Description

A floating coal cleaning device used between scraper conveyor and hydraulic support

Technical field

The utility model relates to the field of coal mine machinery, in particular to a floating coal cleaning device used between a scraper conveyor and a hydraulic support.

Background technique

During the working process of the fully mechanized mining face, a large amount of floating coal is produced. If it is not cleaned, it will cause safety hazards and produce huge waste. Nowadays, there are many devices used to clean the floating coal in the direction of the scraper conveyor and the coal wall, but due to There is a baffle blocking one side of the hydraulic support, which makes it difficult to operate. Currently, manual cleaning is mostly used, which is time-consuming and labor-intensive.

Utility model content

The utility model aims to solve the above problems and provides a floating coal cleaning device between the scraper conveyor and the hydraulic support. The technical solution adopted is as follows:

A floating coal cleaning device used between a scraper conveyor and a hydraulic support, including a base, a rotary column, a big arm, a small arm, a grab connecting arm and a grab arranged in sequence. The base is movably arranged on the scraper. On the plate conveyor, the rotary column is rotatably installed on the base along the vertical direction. The ends of the big arm and the small arm are hinged. The end of the connecting arm is connected to the hydraulic push rod. The end of the hydraulic push rod is fixedly connected to the grab frame. The grab frame is hinged. The inside of the grab bucket, the lower end of the hinged connecting rod on the upper side of the grab bucket, and the upper end of the connecting rod is hinged on the connecting arm.

Based on the above solution, a first visual sensor for detecting the coal unloading position is provided on the base, a second visual sensor for detecting the height of the baffle of the hydraulic support is provided on the side wall of the rotary column, and the end of the grab connecting arm is provided for A third vision sensor that detects the position of the coal pile.

Preferably, a big arm motor for driving the rotation of the big arm is installed at the joint between the big arm and the rotary column, a small arm motor for driving the rotation of the small arm is installed at the joint between the small arm and the big arm, and the joint between the grab connecting arm and the small arm is preferably installed at the joint. A grab connecting arm motor is installed to drive the grab connecting arm to rotate.

Preferably, a traveling gear is rotatably connected below the base, and the traveling gear rotates in the horizontal direction. A gear rail is fixedly provided on the scraper conveyor along the extending direction in the horizontal plane, and the traveling gear is meshed with the gear rail.

On the basis of the above solution, the following slide block is fixedly connected under the base, and the guide rail is fixed on the scraper conveyor. The guide rail is arranged parallel to the gear rail. The following slide block is clamped on the guide rail and slides along the guide rail.

Based on the above solution, the cross section of the guide rail is T-shaped.

Preferably, the lower end of the grab bucket is provided with saw teeth.

The beneficial effects of the utility model are: this solution can automatically identify the position of floating coal, complete the inspection of floating coal on one side of the hydraulic support of the scraper conveyor, save time and effort, and improve the detection efficiency; it can automatically complete the inspection of scraper conveyor The cleaning work of floating coal on one side of the hydraulic support of the machine reduces the labor force of workers, greatly improves safety and work efficiency, and is safe and reliable; the moving track of the device is set on the scraper conveyor, and there is no need to build its moving track separately, which is simple and convenient.

Description of drawings

Figure 1: Use status diagram of the utility model;

Figure 2: Schematic diagram of the matching structure of the base of this utility model;

Figure 3: Structural diagram of the utility model;

Figure 4: Schematic structural diagram of the utility model from another perspective (one side of the grab is omitted).

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and examples:

In this utility model, unless otherwise expressly stipulated and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be directly connected or indirectly connected through an intermediary. It can be the internal connection between two elements or the interaction between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the description of the present invention, it should be understood that the terms "center", "length", "upper", "lower", "front", "back", "left", "right", "vertical" The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", etc. are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than instructions. Or it is implied that the device or component mentioned must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation of the present invention. In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more.

In the present invention, unless otherwise expressly stipulated and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features being in direct contact with each other. Features are not in direct contact but through other features between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

As shown in Figures 1 to 4, a floating coal cleaning device used between a scraper conveyor and a hydraulic support includes a base 21, a rotary column 31, a big arm 41, a small arm 43, and a grab connecting arm arranged in sequence. 51 and grab bucket 55, the base 21 is movably arranged on the scraper conveyor 13. Specifically, as shown in Figure 2, the lower part of the base 21 is rotatably connected to the traveling gear 22, and the traveling gear 22 is horizontally connected Rotate, the scraper conveyor 13 is fixedly provided with a gear rail 14 along the extension direction in the horizontal plane. The traveling gear 22 is meshed with the gear rail 14. By driving the traveling gear 22 to rotate, the base 21 is driven along the gear rail 14 and the scraper conveyor 13. move. The following slide block 23 is fixedly connected to the bottom of the base 21. A guide rail 15 is fixedly provided on the scraper conveyor 13. The guide rail 15 is arranged parallel to the gear rail 14. The following slide block 23 is clamped on the guide rail 15 and along the guide rail 15. The cross section of the guide rail 15 is T-shaped. The following slider 23 plays the role of auxiliary sliding and support.

The rotary column 31 is rotatably installed on the base 21 along the vertical direction, and is driven to rotate by the rotary column motor 32. The rotary column motor 32 is installed on the base 21. The two ends of the big arm 41 and the small arm 43 are hinged, and the big arm 41 and A big arm motor 42 for driving the big arm 41 to rotate is installed at the hinge of the rotary column 31. A small arm motor 44 for driving the small arm 43 to rotate is installed at the hinge between the small arm 43 and the big arm 41. The grab connects the arm 51 and the small arm. A grab connecting arm motor 52 is installed at the hinge 43 for driving the grab connecting arm 51 to rotate. The end of the connecting arm 51 is connected to the hydraulic push rod 53. The end of the hydraulic push rod 53 is fixedly connected to the grab frame 54. The grab frame 54 is hinged to the grab. Inside the bucket 55, the lower end of the upper side of the grab bucket 55 is hinged to the connecting rod 56. The upper end of the connecting rod 56 is hinged to the connecting arm 51. By controlling the expansion and contraction of the hydraulic push rod 53, the opening and closing of the grab bucket 55 is driven. The lower end of the grab bucket 55 is provided with serrations, which is more conducive to grabbing coal.

A first visual sensor 24 for detecting the coal unloading position is provided on the base 21, a second visual sensor 33 for detecting the height of the baffle 12 of the hydraulic support 11 is provided on the side wall of the rotary column 31, and the end of the grab connecting arm 51 is provided for The third visual sensor 57 detects the position of the coal pile.

When the traveling gear 22 drives the base 21 to move along the scraper conveyor 13, the third visual sensor 57 instantly identifies whether there is a coal pile that needs to be cleaned and the location of the coal pile. When it needs to be cleaned, the traveling gear 22 stops rotating and the base 21 stops moving. The rotary column motor 32 drives the rotary column 31, the big arm 41, and the small arm 43 to rotate toward the hydraulic support 11. The second visual sensor 33 detects the height of the baffle 12 of the hydraulic support 11, and cooperates with the third visual sensor 57 to detect The position of the coal pile is adjusted, the angles of the big arm 41 and the small arm 43 are adjusted, and the hydraulic push rod 53 is pushed downward to drive the grab 55 to close and grab the coal. Then adjust the angles of the big arm 41 and the small arm 43 so that the grab bucket 55 moves upward and crosses the baffle 12. The rotary column 31 rotates to make the grab bucket 55 rotate above the scraper conveyor 13. The hydraulic push rod 53 moves upward to open The grab bucket 55 makes the coal in the grab bucket 55 drop to the scraper conveyor 13 and be transported by it. Afterwards, the base 21 continues to move to the next coal pile, and the above cleaning action is repeated.

The present utility model has been described above by way of examples, but the present utility model is not limited to the above-mentioned specific embodiments. Any changes or modifications made based on the present utility model belong to the scope of protection claimed by the present utility model.

Claims (7)

1. A float coal cleaning device for between scraper conveyor and hydraulic support, its characterized in that, including base (21), gyration post (31), big arm (41), forearm (43), grab bucket linking arm (51) and grab bucket (55) that set gradually, base (21) movably set up on scraper conveyor (13), gyration post (31) are rotationally installed on base (21) along vertical direction, big arm (41) and forearm (43) both ends are articulated, linking arm (51) end-to-end connection hydraulic push rod (53), the inboard of articulated grab bucket (55) on hydraulic push rod (53) end fixed connection grab bucket frame (54), the lower extreme of articulated connecting rod (56) of grab bucket (55) upside, the upper end of connecting rod (56) articulates on linking arm (51).

2. The float coal cleaning device for use between a scraper conveyor and a hydraulic support according to claim 1, wherein a first vision sensor (24) for detecting a coal unloading position is provided on the base (21), a second vision sensor (33) for detecting the height of a baffle (12) of the hydraulic support (11) is provided on the side wall of the swing column (31), and a third vision sensor (57) for detecting a coal pile position is provided at the end of the grab bucket connecting arm (51).

3. The float coal cleaning device for a scraper conveyor and a hydraulic support according to claim 1, wherein a large arm motor (42) for driving the large arm (41) to rotate is installed at the joint of the large arm (41) and the rotary column (31), a small arm motor (44) for driving the small arm (43) to rotate is installed at the joint of the small arm (43) and the large arm (41), and a grab bucket connecting arm motor (52) for driving the grab bucket connecting arm (51) to rotate is installed at the joint of the grab bucket connecting arm (51) and the small arm (43).

4. The float coal cleaning device for the space between the scraper conveyor and the hydraulic support according to claim 1, wherein a traveling gear (22) is rotatably connected below the base (21), the traveling gear (22) rotates in the horizontal direction, a toothed rail (14) is fixedly arranged on the scraper conveyor (13) in the horizontal plane along the extending direction, and the traveling gear (22) is in meshed connection with the toothed rail (14).

5. The float coal cleaning device for the space between the scraper conveyor and the hydraulic support according to claim 4, wherein a follow-up slider (23) is fixedly connected below the base (21), a guide rail (15) is fixedly arranged on the scraper conveyor (13), the guide rail (15) is arranged in parallel with the toothed rail (14), and the follow-up slider (23) is clamped on the guide rail (15) and slides along the guide rail (15).

6. A float cleaning device for use between a scraper conveyor and a hydraulic support according to claim 5, wherein the rail (15) is T-shaped in cross section.

7. A float cleaning device for use between a scraper conveyor and a hydraulic support according to claim 1, characterised in that the lower end of the grab (55) is provided with serrations.