Working face coal flow load control device
By installing weighing sensors, rate sensors and infrared monitors on the fully mechanized mining face, the coal flow load can be monitored and controlled in real time, solving the problem of difficulty in starting large underground transportation equipment, achieving stable operation of the equipment and extending its service life.
Patent Information
- Application Number
- CN202422938909.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Large underground transport equipment is difficult to start under heavy load, especially the scraper conveyors and transfer machines on the fully-mechanized mining face. The equipment may stop at any time and there are power grid and space restrictions, which make it difficult for the equipment to operate normally.
Weighing sensors, rate sensors and infrared monitors are used to monitor coal quantity and belt speed, and real-time control is carried out through data acquisition boxes and gateways to achieve uniform distribution of coal flow load and extend the service life of the equipment.
It achieves uniformity in coal flow distribution, reduces equipment startup difficulties, and extends equipment service life.
Smart Images
Figure CN223341701U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a fully mechanized mining technology for underground coal mines, in particular to a coal flow load control device for a working face. Background Art
[0002] The scraper conveyors and transfer machines in fully mechanized mining faces operate in harsh conditions, with frequent downtime. The static friction of the chain scrapers in these machines is significant. Especially after the scraper conveyors stop, coal flakes can still load the conveyors, causing "slippage" and making it difficult to start the equipment. Furthermore, the underground mines are subject to limited power grid capacity, space constraints, and an environment of explosive gases and coal dust, further challenging the difficulty of starting large, heavily loaded transport equipment. Summary of the Invention
[0003] In view of this, the purpose of the present invention is to provide a coal flow load control device for a working face to solve the problems raised in the background technology.
[0004] In order to achieve the above purpose, the technical solutions adopted are as follows:
[0005] The coal flow load control device of the working face includes a belt conveyor, a weighing mechanism for weighing the amount of coal on the belt conveyor in real time is installed on the frame of the belt conveyor, and a speed sensor for monitoring the belt speed is installed on the belt conveyor;
[0006] The weighing mechanism includes a weighing sensor, which is installed on the belt conveyor frame through a belt weighing frame, and the weighing sensor is attached to the bottom of the belt conveyor belt;
[0007] The speed sensor is installed on the belt conveyor frame through a mounting rod, and the speed sensor is rolled and attached to the bottom of the belt of the belt conveyor.
[0008] As a further improvement of the present invention, the weighing sensor and the speed sensor are electrically connected to the data acquisition box via a radar, and the data acquisition box is connected to the gateway via a network cable.
[0009] As a further improvement of the present invention, the rate sensor is installed on the mounting rod through a connecting shaft, the rate sensor is rotatably installed at one end of the connecting shaft, and the other end of the connecting shaft is rotatably connected to the mounting rod. At the same time, a tension spring is connected between the connecting shaft and the mounting rod, one end of the tension spring is connected to the upper end of the mounting rod, and the other end of the tension spring is connected to the end of the connecting shaft away from the mounting rod.
[0010] As a further improvement of the present invention, guide seats are installed on both sides of the belt conveyor frame, guide rods are slidably and vertically installed on the guide seats, the lower ends of the two guide rods are fixedly connected by a fixed rod, and a telescopic cylinder is vertically installed at the bottom of the belt conveyor. The telescopic end of the telescopic cylinder is connected to the fixed rod to drive the guide rod to rise and fall;
[0011] The upper ends of the two guide rods are fixedly connected through an adjusting rod, and an infrared monitor is adjustably mounted on the adjusting rod.
[0012] As a further improvement of the present invention, the collecting head of the infrared monitor is downward, the infrared monitor is installed on the adjusting rod through the mounting block, the mounting block is threaded with a top bolt, and the top bolt thread passes through the mounting block and is connected to the adjusting rod.
[0013] The beneficial effects of the utility model are:
[0014] This device uses weighing sensors and infrared monitors to monitor the status of incoming materials, analyzes and determines whether there is coal on the belt surface and the instantaneous end face coal amount, and installs a rate sensor to monitor the belt speed. The combination of the three monitors the coal amount and then controls the belt flow rate to achieve uniform distribution of incoming materials and coal flow on the belt surface. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:
[0016] Figure 1 It is a structural diagram of the utility model;
[0017] Figure 2 This is a connection diagram of the electronic control part of the utility model. DETAILED DESCRIPTION
[0018] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0019] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.
[0020] Please refer to Figure 1-2 The working face coal flow load control device includes a belt conveyor 1, a frame 11 of the belt conveyor 1 is equipped with a weighing mechanism 2 for weighing the amount of coal on the belt conveyor 1 in real time, and a speed sensor 3 for monitoring the belt speed is installed on the belt conveyor 1;
[0021] The weighing mechanism 2 includes a weighing sensor 21, which is mounted on the frame 11 of the belt conveyor 1 through a belt weighing frame 22. The weighing sensor 21 is attached to the bottom of the belt of the belt conveyor 1.
[0022] The speed sensor 3 is mounted on the frame 11 of the belt conveyor 1 through the mounting rod 31, and the speed sensor 3 is rolled and attached to the bottom of the belt of the belt conveyor 1;
[0023] The weighing sensor 21 and the speed sensor 3 are electrically connected to the data acquisition box 4 , and the data acquisition box 4 is connected to the gateway 5 via a network cable.
[0024] The rate sensor 3 is installed on the mounting rod 31 through the connecting shaft 32. The rate sensor 3 is rotatably installed at one end of the connecting shaft 32, and the other end of the connecting shaft 32 is rotatably connected to the mounting rod 31. At the same time, a tension spring 33 is connected between the connecting shaft 32 and the mounting rod 31. One end of the tension spring 33 is connected to the upper end of the mounting rod 31, and the other end of the tension spring 33 is connected to the end of the connecting shaft 32 away from the mounting rod 31.
[0025] Guide seats 12 are installed on both sides of the frame 11 of the belt conveyor 1, and guide rods 13 are vertically installed on the guide seats 12 for sliding. The lower ends of the two guide rods 13 are fixedly connected by a fixed rod 14. A telescopic cylinder 15 is vertically installed at the bottom of the belt conveyor 1, and the telescopic end of the telescopic cylinder 15 is connected to the fixed rod 14 for driving the lifting of the guide rod 13; the upper ends of the two guide rods 13 are fixedly connected by an adjusting rod 16, and an infrared monitor 17 is adjustably installed on the adjusting rod 16. The collection head of the infrared monitor 17 is downward, and the infrared monitor 17 is penetrated by the mounting block 18 on the adjusting rod 16. The mounting block 18 is threaded with a top bolt 19, and the top bolt 19 threaded through the mounting block 18 and connected to the adjusting rod 16; the telescopic cylinder 15 telescopically adjusts the height of the adjusting rod 16, thereby adjusting the height of the infrared monitor 17 to adapt to the actual working conditions on site.
[0026] The weighing sensor 21 and the infrared monitor 17 monitor the status of the incoming material, analyze and determine whether there is coal on the belt surface and the instantaneous end face coal amount, and the speed sensor 3 is installed to monitor the speed of the belt. The combination of the three can achieve uniform distribution of incoming material and coal flow on the belt surface by monitoring the coal amount and then controlling the belt flow rate, thereby extending the service life of the scraper conveyor.
[0027] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. The coal flow load control device of the working face includes a belt conveyor, characterized in that: A weighing mechanism is installed on the frame of the belt conveyor for weighing the amount of coal on the belt conveyor in real time, and a speed sensor is installed on the belt conveyor for monitoring the belt speed; The weighing mechanism includes a weighing sensor, which is installed on the belt conveyor frame through a belt weighing frame, and the weighing sensor is attached to the bottom of the belt conveyor belt; The speed sensor is installed on the belt conveyor frame through a mounting rod, and the speed sensor is rolled and attached to the bottom of the belt of the belt conveyor.
2. The working face coal flow load control device according to claim 1, characterized in that: The weighing sensor and the speed sensor are electrically connected to the data acquisition box, and the data acquisition box is connected to the gateway through a network cable.
3. The working face coal flow load control device according to claim 2, characterized in that: The rate sensor is installed on the mounting rod through a connecting shaft. The rate sensor is rotatably installed at one end of the connecting shaft, and the other end of the connecting shaft is rotatably connected to the mounting rod. At the same time, a tension spring is connected between the connecting shaft and the mounting rod, one end of the tension spring is connected to the upper end of the mounting rod, and the other end of the tension spring is connected to the end of the connecting shaft away from the mounting rod.
4. The working face coal flow load control device according to claim 1, characterized in that: Guide seats are installed on both sides of the belt conveyor frame, and guide rods are slidably and vertically installed on the guide seats. The lower ends of the two guide rods are fixedly connected by a fixed rod. A telescopic cylinder is vertically installed at the bottom of the belt conveyor, and the telescopic end of the telescopic cylinder is connected to the fixed rod to drive the guide rod to rise and fall; The upper ends of the two guide rods are fixedly connected through an adjusting rod, and an infrared monitor is adjustably mounted on the adjusting rod.
5. The working face coal flow load control device according to claim 4, characterized in that: The infrared monitor's collecting head faces downwards, and the infrared monitor is installed on the adjusting rod through a mounting block. The mounting block is threadedly connected with a top bolt, and the top bolt thread passes through the mounting block and is connected to the adjusting rod.