Underground coal mine gangue backfilling, storing and distributing system

Abstract

The utility model relates to the technical field of coal mine filling equipment, in particular to a coal mine underground gangue backfilling, storing and distributing system which comprises a belt conveyor provided with an unloader. A plurality of storage bins are arranged on the lower portion of the belt conveyor and provided with upper and lower feeding and discharging ports, bin doors are arranged at the lower discharging ports of the storage bins and used for blocking the discharging ports, a scraper conveyor is arranged on the lower portions of the bin doors, and the storage bins are arranged on the lower portion of the belt conveyor and used for storing materials, so that the storage capacity is greatly increased; the starting frequency of the belt conveyor is reduced, and resources are saved; when in use, the materials can fall into the scraper conveyor by opening the bin door and then are conveyed to a filling site, and convenience and rapidness are achieved.

Description

Technical fields:

[0001] This application relates to the field of coal mine backfilling equipment technology, and in particular to a coal mine underground gangue backfilling and storage system. Background technology:

[0002] Chinese invention patent application No. 201910369057.1—A dry filling system and method for coal mine goaf—comprises a silo and a shaft located on the ground. The outlet of the silo is connected to a transfer conveyor located at the end of the coal mining face via a tubular belt conveyor located in the shaft. A filling support is arranged at the coal mining face, and a scraper conveyor is installed on the filling support. The scraper conveyor is located on a working platform on the base of the filling support. The scraper conveyor overlaps with the transfer conveyor, and a discharge port is provided in the scraper trough of the scraper conveyor.

[0003] This patent application describes the use of a belt conveyor to transport materials from the ground storage silo to a buffer silo, which can be used to store and buffer solid fillers. However, the buffer silo has a limited storage capacity, with a volume of 5-8 cubic meters, which cannot meet the requirements for large-scale storage, seriously affecting the filling speed and failing to meet the actual needs on site. Utility model content:

[0004] To solve the above-mentioned technical problems, this utility model provides a coal mine underground gangue backfilling and storage system. The technical problem it addresses is that the on-site buffer silo has limited storage capacity, which cannot meet actual production needs. The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0005] A coal mine underground gangue backfilling and storage system, comprising:

[0006] Belt conveyor, the belt conveyor is equipped with a discharge device;

[0007] The storage bins are open at the top and bottom, and several storage bins are located at the bottom of the belt conveyor.

[0008] The storage silo door is located at the open bottom of the storage silo.

[0009] The scraper conveyor is located below the bin door.

[0010] Furthermore, the unloader is a plow-type unloader, which is connected to a belt conveyor above the storage silo.

[0011] Furthermore, the unloader is an unloading vehicle.

[0012] Furthermore, the silo door is connected to the side wall of the storage silo by a hinged structure, and the storage silo is equipped with a hydraulic cylinder by the hinged structure, with the other end of the hydraulic cylinder connected to the silo door by the hinged structure.

[0013] Furthermore, supports are fixedly installed on both sides of the lower opening of the storage silo, and the supports are hinged to one end of the hydraulic cylinder.

[0014] Furthermore, through-beam sensors are installed on the opening of the storage silo and on the support frame, and the through-beam sensors are connected to the PLC controller.

[0015] The beneficial effects of this utility model are: several storage bins are set at the bottom of the belt conveyor to store materials, which greatly increases the storage capacity, reduces the number of times the belt conveyor is started, and saves resources; when needed, the material can be dropped into the scraper conveyor by opening the bin door and then transported to the filling site, which is convenient and fast.

[0016] The upper through-beam sensor detects the material height in the storage silo. When the silo is full, the PLC controller controls the start and stop of the transition belt conveyor and the raising and lowering of the unloader. The lower through-beam sensor detects the material height on the scraper conveyor to control the opening and closing of the storage silo gate, thereby monitoring the material in the silo and the material in the scraper conveyor and improving the level of intelligence. Attached image description:

[0017] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model.

[0018] Figure 2 This is a utility model Figure 1 Schematic diagram of the cross-sectional structure of AA.

[0019] In the picture:

[0020] 1. Belt conveyor; 2. Unloader; 3. Storage silo; 4. Silo door; 5. Scraper conveyor; 6. Hydraulic cylinder; 7. Support frame; 8. Through-beam sensor. Detailed implementation method:

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the utility model will now be described in further detail with reference to the accompanying drawings and the following embodiments, so that the public can better understand the implementation method of this utility model. The specific implementation scheme of this utility model is as follows:

[0022] A coal mine underground gangue backfilling and storage system includes a belt conveyor 1, which is equipped with a discharger 2. Several storage bins 3 are located at the bottom of the belt conveyor 1, each with upper and lower inlet and outlet ports. A bin door 4 is located at the outlet of each storage bin 3 to block the outlet. A scraper conveyor 5 is located below the bin door 4. The presence of several storage bins 3 at the bottom of the belt conveyor 1 greatly increases storage capacity, reduces the frequency of belt conveyor 1 operation, and saves resources. When needed, opening the bin door 4 allows the material to fall into the scraper conveyor 5 and then be transported to the filling site, making the process convenient and quick.

[0023] In this embodiment, the unloader 2 is a plow-type unloader, which is connected to the belt conveyor 1 above the storage bin 3 to unload materials into the storage bin 3.

[0024] Specifically, the silo door 4 is connected to the side wall of the storage silo 3 by a hinge structure. The storage silo 3 is equipped with a hydraulic cylinder 6 by a hinge structure. The other end of the hydraulic cylinder 6 is connected to the silo door 4 by a hinge structure. The hydraulic cylinder 6 is used to close and open the silo door 4. It should be noted that the silo door is a double door structure to increase the material discharge capacity and avoid blockage.

[0025] It should be noted that brackets 7 are fixedly installed on both sides of the lower opening of the storage bin 3. The brackets 7 are hinged to one end of the hydraulic cylinder 6 to achieve the purpose of opening and closing.

[0026] The storage silo 3 and the support 7 are each equipped with a through-beam sensor 8, which is connected to a PLC controller. The upper through-beam sensor detects the material height in the storage silo. When the storage silo is full, the PLC controller controls the start and stop of the transition belt conveyor and the raising and lowering of the unloader. The lower through-beam sensor detects the material height on the scraper conveyor to control the opening and closing of the storage silo gate, thereby monitoring the material in the silo and the scraper conveyor and improving the level of intelligence.

[0027] In other embodiments, the unloader 2 is an unloading vehicle that can move on the belt conveyor 1 and unload materials at a predetermined location, increasing its practicality.

[0028] The working principle and process of this utility model are as follows:

[0029] The material on the ground is transported into the tunnel by the belt conveyor 1. The plow unloader 2 on the top of the storage bin 3 is started to unload the material into the storage bin 3. When the storage bin 3 is full, the through-beam sensor 8 on the top of the storage bin 3 sends a signal to the PLC controller. The PLC controller sends a signal to the plow unloader 2 and the belt conveyor 1 at that location. The belt conveyor 1 stops working and the plow head of the plow unloader 2 is raised.

[0030] When unloading is required, the hydraulic cylinder 6 is activated to open the silo door 4, and the material falls onto the scraper conveyor 5 and is transported to the working surface. When the material accumulates excessively on the upper part of the scraper conveyor 5, the lower through-beam sensor 8 sends a signal to the PLC controller, and the PLC controller controls the hydraulic cylinder 6 to close the silo door 4.

[0031] In the description of this utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "front," "rear," "lower left," "upper right," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Although this utility model has been described according to a limited number of embodiments, those skilled in the art should understand from the above description that other embodiments can be conceived within the scope of this utility model described herein.

Claims

1. A coal mine underground gangue backfilling and storage system, characterized in that, include: A belt conveyor (1) is equipped with a discharger (2); Storage bins (3) with open top and bottom are provided, and several storage bins (3) are located at the bottom of the belt conveyor (1); The storage door (4) is located at the opening below the storage bin (3); Scraper conveyor (5) is located below the silo door (4).

2. The coal mine underground gangue backfilling and storage system according to claim 1, characterized in that: The unloader (2) is a plow-type unloader (2), which is connected to the belt conveyor (1) above the storage bin (3).

3. A coal mine underground gangue backfilling and storage system according to claim 1, characterized in that: The unloader (2) is an unloading vehicle.

4. A coal mine underground gangue backfilling and storage system according to claim 1, characterized in that: The silo door (4) is connected to the side wall of the storage silo (3) by a hinge structure. The storage silo (3) is equipped with a hydraulic cylinder (6) by a hinge structure. The other end of the hydraulic cylinder (6) is connected to the silo door (4) by a hinge structure.

5. A coal mine underground gangue backfilling and storage system according to claim 4, characterized in that: The storage bin (3) has brackets (7) fixedly installed on both sides of the lower opening. The brackets (7) are hinged to one end of the hydraulic cylinder (6).

6. A coal mine underground gangue backfilling and storage system according to claim 5, characterized in that: The storage bin (3) and the support (7) are respectively equipped with through-beam sensors (8), which are connected to the PLC controller.

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