Fixed monitoring device for ore discharge port of ball mill

Abstract

The utility model discloses a fixed monitoring device for an ore discharge port of a ball mill, the ball mill is a horizontal ball mill, the ore discharge end of the ball mill is provided with a screen, the screen comprises a steel plate arranged at the central part, and the monitoring device comprises a camera and a connecting rod; one end of the connecting rod is connected with the steel plate, and the other end of the connecting rod is connected with the camera. The monitoring device is used for monitoring the operation process of the horizontal ball mill, and the monitoring device is additionally arranged at the ore discharge end of the ball mill, so that the movement track of a medium in the ball mill and the image of ore pulp at the ore discharge port can be obtained; therefore, some important information such as the operation process of the ore grinding equipment and whether ore grinding products can meet process requirements or not is obtained, and stable operation of an ore grinding loop and good subsequent mineral separation effects are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the ore dressing process's grinding technology field, specifically relates to a ball mill ore discharge port fixed monitoring device. BACKGROUND

[0002] With the progress of science and technology and the pursuit of high-quality development, the intelligent upgrading of the ore dressing plant is the inevitable choice for building modern mining enterprises. Under the deep development of new generation information technology and "two integration", relying on intelligent equipment promotes the intelligent upgrading of production technology.

[0003] For the intelligent transformation and upgrading of the ore dressing plant, if the related configuration of the ore dressing equipment cannot meet the requirements of automatic control and data collection, the various software and hardware of automatic control and intelligent control will not be effectively integrated, so that intelligent application is difficult to realize. Therefore, using auxiliary equipment for data collection on the ore dressing equipment is a necessary key to realize automatic control, by deploying intelligent sensing digital tools and equipment, integrating vibration sensing, image recognition, radio frequency identification and other key technologies, realizing the comprehensive collection of production site data such as ore dressing process data, process condition data and detection analysis data, real-time sensing of production process and key equipment running state, so that the intelligent control of the ore dressing plant can make better decisions.

[0004] Grinding is an important part of preparation before separation, and the quality of grinding products is closely related to the separation index, but there is a lack of monitoring device for the ore discharge port of the ball mill in the prior art. Therefore, the applicant considers installing auxiliary monitoring equipment on the grinding equipment to realize the monitoring of the ore discharge port of the ball mill. CONTENT OF THE UTILITY MODEL

[0005] In order to overcome the shortcomings of the above-mentioned technology, the purpose of the utility model is to provide a ball mill ore discharge port fixed monitoring device, which can monitor the movement trajectory of the medium in the ball mill and the discharge condition of the ore pulp at the ore discharge port. Under the monitoring of auxiliary equipment, important information such as the running process of the grinding equipment and whether the grinding product can meet the process requirements can be obtained in time, so as to ensure the stable operation of the grinding circuit and the good effect of the subsequent separation of minerals.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A ball mill ore discharge port fixed monitoring device, the ball mill is a horizontal ball mill, the ball mill ore discharge end is provided with a screen, the screen includes a steel plate arranged at the center part, the monitoring device includes a camera and a connecting rod; one end of the connecting rod is connected with the steel plate, and the other end is connected with the camera.

[0008] Preferably, the steel plate is fixedly provided with an extension stub, the camera is fixedly arranged on the screen through a connecting rod connected with the extension stub, and the connecting rod and the extension stub are fixedly connected through a fastening connector.

[0009] Preferably, the fastening connector is a detachable structure, and the connecting rod and the extension stub are detachably connected.

[0010] Preferably, the fastening connector is a flange coupling, and the two half couplings of the flange coupling are fixedly connected through bolts and nuts.

[0011] Preferably, one end of the connecting rod connected with the extension stub is provided with a connecting shaft, the connecting shaft and the extension stub are fixedly connected through the fastening connector, and a ball bearing box is arranged on the end of the connecting rod away from the extension stub, and the ball bearing box is connected with the camera.

[0012] Preferably, a signal transmission device is fixedly arranged on the end of the ball bearing box away from the connecting rod, and the signal transmission device is connected with the digital center of the ball mill and the camera respectively, so as to transmit the monitoring information received from the camera to the digital center.

[0013] Preferably, a gimbal stabilizer is fixedly connected to the outer side of the ball bearing box, the gimbal stabilizer is provided with a triangular support, the triangular support is fixed on the ball bearing box through bolts, and the gimbal stabilizer is fixedly connected with the camera.

[0014] Preferably, the gimbal stabilizer is a three-axis gimbal stabilizer.

[0015] Preferably, the camera adopts a F1.0 professional large-aperture lens, is equipped with a 1 / 1.79 stack large target surface sensor and a smart image engine.

[0016] Preferably, the screen is provided with one or more, and the extension stub is arranged on the screen farthest from the discharge port of the ball mill.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model provides a kind of ball mill ore discharge port fixed monitoring device, for the monitoring of horizontal ball mill operation process, by setting protruding short shaft on the screen steel sheet of ball mill ore discharge end, and installing monitoring device on protruding short shaft, the image of ball mill internal medium movement track and ore discharge port ore pulp can be obtained, the discharge condition of ball mill internal medium movement track and ore discharge port ore pulp is monitored, so as to obtain some important information such as the operation process of ore grinding equipment and whether ore grinding product can satisfy process requirement, ensure the stability operation of ore grinding loop and the good effect of subsequent sorting mineral. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a kind of ball mill ore discharge port and fixed monitoring device's structure diagram of the utility model;

[0020] Figure 2 It is a kind of ball mill ore discharge port fixed monitoring device's structure diagram of the utility model;

[0021] Figure 3 It is Figure 2 It is ball mill ore discharge port overflow weir baffle structure's structure diagram;

[0022] Figure 4 It is Figure 2 It is fastening connecting piece's structure diagram;

[0023] Figure 5 It is Figure 2 It is ball bearing box's structure diagram;

[0024] Figure 6 It is Figure 1 It is ball bearing box, signal transmission device, pan-tilt stabilizer's structure diagram;

[0025] In the drawing, 1-fastening connecting piece;2-connection rod;3-ball bearing box;4-signal transmission device;5-pan-tilt stabilizer;6-camera;7-protruding short shaft;8-bolt;9-nut;10-connection shaft;11-ball bearing;12-bearing cover;13-outer box;14-bolt hole;15-triangle support;17-steel sheet;18-ball mill ore discharge end lining;19-driving shaft;20-screen;21-cylinder;22-counter helical blade;23-fixed lining. DETAILED DESCRIPTION

[0026] In order to better explain the utility model, the main content of the utility model is further illustrated below in combination with drawings and specific embodiments, but the content of the utility model is not only limited to the following embodiments.

[0027] For example, Figure 1As shown, the overflow weir baffle structure is arranged between the ball mill discharge end lining plate 18 and the reverse helical blade 22, the edge part of the overflow weir baffle structure is fixedly arranged on the ball mill discharge end lining plate 18, and the ball mill discharge end lining plate 18 is connected with the ball mill barrel 21. The ball mill is a horizontal ball mill, and the specific structure is prior art, which will not be described here. The ball mill discharge opening fixed type monitoring device of the utility model is fixedly arranged on the overflow weir baffle structure and is used for monitoring the ball mill discharge process.

[0028] As shown in the drawings, Figures 1-2 The ball mill discharge opening fixed type monitoring device of the utility model comprises a fastening connecting piece 1, a connecting rod 2, a ball bearing box 3, a signal transmission device 4, a holder stabilizer 5, a camera 6 and a short extension shaft 7.

[0029] As shown in the drawings, Figure 3 The overflow weir baffle structure comprises a screen 20 and a fixed lining plate 23. The screen 20 is a circular structure with screen holes and is used for screening the slurry. The central part of the screen 20 is provided with a steel plate 17 without screen holes, and the outer ring of the screen 20 is provided with the fixed lining plate 23. The steel plate 17 is a circular steel plate and has the same center as the screen 20. The fixed lining plate 23 is fixedly connected with the ball mill discharge end lining plate 18 through bolts. The short extension shaft 7 is fixedly arranged on the steel plate 17 of the screen 20, and the short extension shaft 7, the steel plate 17 and the screen 20 have the same center. The short extension shaft 7 and the steel plate 17 can be fixed by welding or integrated, preferably integrated, which can improve the stability of the structure.

[0030] The fastening connecting piece 1 is connected with the short extension shaft 7 and one end of the connecting rod 2 respectively, and the short extension shaft 7 and the connecting rod 2 are fixedly connected; the end of the connecting rod 2 away from the short extension shaft 7 is connected with the ball bearing box 3. One signal transmission device 4 is fixedly installed at the end of the ball bearing box 3, and the signal transmission device 4 is fixed on the ball bearing box 3 by using bolts 8; the ball bearing box 3 is connected with the holder stabilizer 5, the holder stabilizer 5 is provided with a triangular support 15, the triangular support 15 is fixedly connected on the ball bearing box 3 through bolts 8, and the holder stabilizer 5 is fixedly provided with the camera 6 used for image monitoring at the lower part.

[0031] The fastening connecting piece 1 is used for detachable installation with the short extension shaft 7 and the connecting rod 2. As shown in the drawings, Figure 4As shown, one end of the connecting rod 2 is provided with a connecting shaft 10, the diameter of the connecting shaft 10 is smaller than the middle part of the connecting rod 2, and the connecting shaft 10 is connected with the extension shaft 7 through the fastening connecting piece 1. The fastening connecting piece 1 is a device similar to a rigid coupling, including two half couplings, the flanges of the two half couplings are connected by bolts 8 and nuts 9, the two shafts are centered by the shoulder and groove of the centering tenon, so as to realize the connection of the connecting shaft 10 of the connecting rod 2 and the extension shaft 7; the rigid coupling has simple structure, convenient installation and maintenance, low cost, and can ensure the connection of the connecting rod 2 and the fastening connecting piece 1 and the stable operation of the shafting.

[0032] As shown in Figure 5 As shown, the other end of the connecting rod 2 is provided with a transmission shaft 19, the width of the transmission shaft 19 is distributed in a stepped manner, combined with the ball bearing 11 of the outer box body 13, and fixed through the bearing cover 12. The ball bearing box 3 includes the ball bearing 11, the outer box body 13 arranged outside the ball bearing 11, and the bearing cover 12 arranged at the end of the outer box body 13. The ball bearing 11 is provided with two ball bearings to install the outer box body 13 and further reduce the rotating friction. Under the action of the ball bearing box 3, it is ensured that the connecting rod 2 rotates axially with the grinding equipment, and the gimbal stabilizer 5 and the camera 6 below remain stable, so as to ensure that the camera 6 can shoot clear pictures, and realize image monitoring of the discharge port. The connecting rod 2 is a rod-shaped structure of cylindrical steel reinforcement.

[0033] The end of the outer box body 13 of the ball bearing box 3 close to the bearing cover 12 is provided with four bolt holes 14 symmetrically distributed upward and downward, for fixing the signal transmission device 4. As shown in Figure 6 The side surface of the outer box body 13 of the ball bearing box 3 is provided with three bolt holes 14 for fixing the triangular support 15 on the gimbal stabilizer 5. The bolt hole 14 is a circular hole groove, which is matched with the bolt 8. The bolt 8 is an internal hexagonal countersunk head bolt, and the outer box body 13 is fixed with the signal transmission device 4 and the triangular support 15 of the gimbal stabilizer 5 through the bolt 8 and the nut 9.

[0034] The signal transmission device 4 includes an antenna, a circuit board, a shell and other components. The structure of the signal transmission device 4 is a prior art, which will not be described in detail here. The signal transmission device 4 is connected with the camera 6 and the digital center station respectively, can meet the demand of long-distance and high-quality data transmission, and can transmit the data collected by the image monitoring device to the digital center station of integrated management, and the staff can control and dispatch the signal transmission device 4 through the digital center station, so as to indirectly control the gimbal stabilizer 5 and the camera 6. Under the coordinated work of the gimbal stabilizer 5, the camera 6 and the signal transmission device 4, the movement track of the medium in the ball mill and the discharge condition of the ore pulp at the discharge port are realized.

[0035] As shown in Figure 6As shown, the gimbal stabilizer 5 is used to stabilize the camera 6. The gimbal stabilizer 5 is provided with a triangular support 15, which is fixedly connected with the outer box body 13 of the ball bearing box 3. The gimbal stabilizer 5 is a three-axis gimbal stabilizer, which includes a heading axis, a roll axis and a pitch axis. No matter how the grinding equipment shakes, the gimbal stabilizer 5 can ensure that a direction is locked and unchanged. The heading axis is responsible for controlling the horizontal direction, the roll axis is responsible for rotating the direction, and the pitch axis is responsible for controlling the vertical direction. Each axis has a micro brushless motor responsible for stable rotation. At the end of the pitch axis seat, there are three sensors of gyroscopes, accelerometers and magnetometers. Under the control of the microcontroller, the components work in coordination, so as to ensure that the camera shooting picture is stable and the picture quality is improved.

[0036] The lens of the camera 6 is directed to the direction of the ball mill discharge port, which is used to monitor the medium movement trajectory inside the ball mill and the ore pulp at the discharge port. The camera 6 adopts a F1.0 professional large aperture lens, which is 4 times of the ordinary F2.0 aperture, and has a large amount of light. At the same time, the camera 6 is also equipped with a 1 / 1.79 stack large target surface sensor, which increases the target surface by 2.2 times compared with the ordinary black light sensor, so that the camera 6 can still maintain excellent color performance in dark light environment, realizing the true "no light true full color" in the night or dark light environment. In addition, the camera 6 has 5 million super clear picture quality, with a resolution of 2880*1620, which can restore extreme details. The camera 6 is also equipped with a smart image engine, which has a 2T GPU image computing power, can significantly improve the delicacy of the picture, and through the neural network mode intelligent noise reduction and scene intelligent adaptation technology, continuously optimizes the image effect of night vision.

[0037] When the ball mill is installed, first, the one end of the connecting rod 2 is connected with the extended short shaft 7 through the connecting shaft 10, and the fastening connecting piece 1 is firmly fixed by using the bolt 8. A ball bearing box 3 with an outer box body 13 is tightly installed on the other end of the transmission shaft 19 of the connecting rod 2. A signal transmission device 4 is installed on the outer box body 13 near the bearing cover 12, and the signal transmission device 4 is fixed on the outer box body 13 by using the bolt 8. The outer side of the outer box body 13 is connected with a gimbal stabilizer 5 with a triangular support 15, and the triangular support 15 is fixed on the outer box body 13 by using the bolt 8. The lower part of the gimbal stabilizer 5 is fixed with a camera 6 for image monitoring.

[0038] The other parts not described belong to the prior art.

Claims

1. A fixed monitoring device for a ball mill discharge, the ball mill being a horizontal ball mill, the ball mill discharge end being provided with a screen (20), characterized in that: The screen (20) comprises a steel plate (17) arranged at the center part; the monitoring device comprises a camera (6) and a connecting rod (2); one end of the connecting rod (2) is connected with the steel plate (17), and the other end is connected with the camera (6).

2. The ball mill drawport stationary monitoring device of claim 1, wherein: The steel plate (17) is fixedly provided with a protruding short shaft (7), the camera (6) is connected with the protruding short shaft (7) through the connecting rod (2), and the camera (6) is fixedly arranged on the screen (20); the connecting rod (2) and the protruding short shaft (7) are fixedly connected through a fastening connecting piece (1).

3. The ball mill drawport stationary monitoring device of claim 2, wherein: The fastening connecting piece (1) is a detachable structure, and the connecting rod (2) and the protruding short shaft (7) are detachably connected.

4. The ball mill drawport stationary monitoring device of claim 2, wherein: The fastening connecting piece (1) is a flange coupling, and the two half couplings of the flange coupling are fixedly connected through bolts (8) and nuts (9).

5. The ball mill drawport stationary monitoring device of claim 2, wherein: One end of the connecting rod (2) connected with the protruding short shaft (7) is provided with a connecting shaft (10); the connecting shaft (10) and the protruding short shaft (7) are fixedly connected through the fastening connecting piece (1); a ball bearing box (3) is arranged on the end of the connecting rod (2) away from the protruding short shaft (7); and the ball bearing box (3) is connected with the camera (6).

6. The ball mill drawport stationary monitoring device of claim 5, wherein: The end of the ball bearing box (3) away from the connecting rod (2) is fixedly provided with a signal transmission device (4); the signal transmission device (4) is connected with the camera (6) and a digital middle station of the ball mill respectively, and transmits the monitoring information received from the camera (6) to the digital middle station.

7. The ball mill drawport stationary monitoring device of claim 5, wherein: A gimbal stabilizer (5) is fixedly connected to the outer side of the ball bearing box (3), the gimbal stabilizer (5) is provided with a triangular support (15); the triangular support (15) is fixed on the ball bearing box (3) through bolts (8); and the gimbal stabilizer (5) is fixedly connected with the camera (6).

8. The ball mill drawport stationary monitoring device of claim 7, wherein: The gimbal stabilizer (5) is a three-axis gimbal stabilizer.

9. The ball mill drawport stationary monitoring device of claim 1, wherein: The camera (6) adopts a F1.0 professional large-aperture lens, is equipped with a 1 / 1.79 stack large target surface sensor and a smart image engine.

10. A ball mill drawport fixed monitoring device according to any one of claims 2 to 8, characterised in that: The screen (20) is provided with one or more; the protruding short shaft (7) is arranged on the screen (20) farthest from the discharge port of the ball mill.

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