Weighing protection structure of coal feeder

Abstract

The utility model discloses a coal feeder weighing protection structure, and relates to the technical field of coal feeder protection, the coal feeder weighing protection structure comprises a housing, the front end of the housing is fixedly provided with a protection box, the front end of the protection box is rotatably provided with a box door, the right side of the front end of the box door is fixedly provided with a handle, the protection box is internally provided with a controller, and the controller is connected with the box door. A protective assembly is arranged at the upper end of the shell, a discharging pipe fixedly communicates with the right end of the shell, when coal briquettes need to be weighed, the coal briquettes are conveyed to the upper end of a conveying belt in the shell through a feeding pipe, and in the conveying process, a plurality of fixing plates are arranged on the left side wall and the right side wall in the feeding pipe correspondingly; buffer springs are arranged between a plurality of fixing plates and a plurality of buffer plates, when the impact force of coal briquettes is large, the buffer springs can be compressed when the coal briquettes make contact with the buffer plates, buffering can be conveniently conducted when the coal briquettes fall, abrasion to the conveying belt is avoided, dust generated when the coal briquettes fall can be reduced, and the influence of the dust on equipment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coal feeder protection, in particular to a coal feeder weighing protection structure. Background Art

[0002] A coal feeder is a device used to transport and process coal blocks. It is widely used in mines, coal processing plants and other industries. Its main function is to continuously and evenly transport coal from one place to another, or to distribute coal to different processing equipment. In the process of transporting coal blocks, weighing sensors are needed to measure the weight of the coal blocks, which can accurately determine the number of coal blocks transported each time.

[0003] When the coal blocks are dropped directly from the feed pipe onto the conveyor belt, a large impact force may be generated, causing wear or damage to the conveyor belt. The large impact force may also generate a lot of dust, which will enter the weighing sensor and may cause errors in the sensor's measurement of the coal blocks or even failure. Based on this, this solution provides a coal feeder weighing protection structure to solve the above-mentioned problems. Utility Model Content

[0004] In order to solve the above technical problems, a coal feeder weighing protection structure is provided. This technical solution solves the problem proposed in the above background technology that when the coal blocks are dropped directly from the feed pipe onto the conveyor belt, a large impact force may be generated, causing wear or damage to the conveyor belt, and the large impact force may generate more dust, which will enter the weighing sensor and may cause errors in the sensor's measurement of the coal blocks or even failures.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a coal feeder weighing protection structure, comprising a shell, a protection box is fixedly installed at the front end of the shell, a box door is rotatably installed at the front end of the protection box, a handle is fixedly installed on the right side of the front end of the box door, a controller is arranged inside the protection box, a protection assembly is arranged at the upper end of the shell, and a discharge pipe is fixedly connected to the right end of the shell;

[0006] Wherein, the protective component includes a feed pipe, which is arranged at the upper end of the shell, and the inner side wall of the feed pipe is fixedly installed with a plurality of buffer plates and a plurality of fixed plates, and the plurality of fixed plates are arranged below the plurality of buffer plates, the number of the fixed plates is the same as the number of buffer plates, and a matching fixed plate is arranged on the lower side of each of the buffer plates, and a buffer spring is fixedly installed between the fixed plate and the buffer plate.

[0007] Preferably, two rotating rollers are rotatably installed inside the shell, and a conveyor belt is transmission-connected between the two rotating rollers.

[0008] Preferably, a protective frame is fixedly mounted on the rear end of the shell, a servo motor is arranged inside the protective frame, and an output end of the servo motor passes through the rear side wall of the shell and is fixedly connected to the rear end of the left rotating roller.

[0009] Preferably, a support plate and rollers are fixedly connected between the front and rear side walls inside the shell, a weighing sensor is provided at the upper end of the support plate, and the rollers support the operation of the conveyor belt.

[0010] Preferably, an installation groove is provided on the inner front side wall of the shell, the installation groove is close to the left rotating roller, and a speed sensor is provided inside the installation groove.

[0011] Compared with the prior art, the utility model provides a coal feeder weighing protection structure, which has the following beneficial effects:

[0012] When the coal blocks need to be weighed, they are transported to the upper end of the conveyor belt inside the shell through the feed pipe. During the transportation process, a number of fixed plates are provided on the left and right side walls inside the feed pipe, and buffer springs are arranged between the fixed plates and the buffer plates. When the impact force of the coal blocks is large, the buffer springs can be compressed when the coal blocks contact the buffer plates, which is convenient for buffering when the coal blocks fall, avoiding wear on the conveyor belt, reducing the dust generated when the coal blocks fall, and reducing the impact of the dust on the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model from another viewing angle;

[0015] Figure 3 It is a structural schematic diagram of the protection component in the utility model;

[0016] Figure 4 This is a schematic diagram of the internal structure of the protective box in the utility model;

[0017] Figure 5 This is a schematic diagram of the internal structure of the housing in the utility model;

[0018] Figure 6 It is a schematic diagram of the structure of the protection frame in the utility model;

[0019] Figure 7 for Figure 6 A local enlarged schematic diagram of point A in the middle.

[0020] The numbers in the figure are:

[0021] 1. Shell; 2. Protective box; 3. Box door; 4. Handle; 5. Controller;

[0022] 6. Protection assembly; 601. Feed pipe; 602. Buffer plate; 603. Fixing plate; 604. Buffer spring;

[0023] 7. Discharge pipe; 8. Protection frame; 9. Rotating roller; 10. Conveyor belt; 11. Support roller; 12. Support plate; 13. Weighing sensor; 14. Servo motor; 15. Mounting slot; 16. Speed ​​sensor. DETAILED DESCRIPTION

[0024] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0025] Reference Figure 1-7 As shown, a coal feeder weighing protection structure comprises a shell 1, a protection box 2 is fixedly installed at the front end of the shell 1, a box door 3 is rotatably installed at the front end of the protection box 2, a handle 4 is fixedly installed on the right side of the front end of the box door 3, a controller 5 is arranged inside the protection box 2, and the controller 5 can be of model: KXJ127 (A) The upper end of the shell 1 is provided with a protection component 6, and the right end of the shell 1 is fixedly connected with a discharge pipe 7, the protection component 6 includes a feed pipe 601, and the buffer spring 604 and the buffer plate 602 in the protection component 6 can effectively absorb and disperse the impact force of the falling coal blocks, prevent the material from directly hitting the conveyor belt 10, thereby reducing the wear and damage of the equipment, and can extend the service life of the equipment, reduce the maintenance and replacement frequency, the feed pipe 601 is arranged at the upper end of the shell 1, and the inner side wall of the feed pipe 601 is fixed. A plurality of buffer plates 602 and a plurality of fixed plates 603 are fixedly installed, and the plurality of fixed plates 603 are arranged below the plurality of buffer plates 602. The number of fixed plates 603 is consistent with that of buffer plates 602, and a matching fixed plate 603 is arranged on the lower side of each buffer plate 602. A buffer spring 604 is fixedly installed between the fixed plate 603 and the buffer plate 602. The buffer spring 604 and the buffer plate 602 can also absorb and disperse the impact energy of the coal blocks, slow down the falling speed of the coal blocks, so that the coal blocks will not fall on the conveyor belt 10 in a sudden and high-speed manner, thereby avoiding instantaneous large fluctuations, and allowing the materials to enter the coal feeder evenly and continuously, thereby ensuring the accuracy of the measurement, and avoiding large instantaneous weight fluctuations due to the rapid impact of the materials, which affects the reading of the weighing sensor 13 and the measurement accuracy of the overall system.

[0026] Reference Figure 5-7As shown, two rotating rollers 9 are rotatably installed inside the shell 1, and a conveyor belt 10 is transmission-connected between the two rotating rollers 9. A protective frame 8 is fixedly installed at the rear end of the shell 1. The protective frame 8 can protect the servo motor 14 to prevent the servo motor 14 from being damaged. The servo motor 14 is arranged inside the protective frame 8. The output end of the servo motor 14 passes through the rear side wall of the shell 1 and is fixedly connected to the rear end of the left rotating roller 9. A support plate 12 and a roller 11 are fixedly connected between the front and rear side walls inside the shell 1. A weighing sensor 13 is arranged on the upper end of the support plate 12. The weighing sensor 13 can adopt a sensor of model: F1450. When the coal block runs on the conveyor belt 10 and applies weight to the weighing sensor 13, The elastic body is slightly deformed, and the strain gauge attached to the elastic body is also deformed, thereby changing its resistance value. The resistance change is converted into a voltage signal, and the voltage signal is amplified and converted into a digital signal. Through calibration and calculation, the force applied to the weighing sensor 13, that is, the weight of the coal block, can be obtained. The roller 11 supports the operation of the conveyor belt 10. The inner front side wall of the shell 1 is provided with a mounting groove 15. The mounting groove 15 is close to the left rotating roller 9. A speed sensor 16 is arranged inside the mounting groove 15. The speed sensor 16 can be of model: WS-08. The speed sensor 16 is arranged in front of the left rotating roller 9. It provides the linear speed information of the conveyor belt 10, that is, the distance the conveyor belt 10 moves per second.

[0027] The working principle and use process of the utility model are as follows: specifically, the controller 5 is electrically connected with the servo motor 14, the weighing sensor 13, and the speed sensor 16. When in use, the coal blocks are transported from the feed pipe 601 to the upper end of the conveyor belt 10 inside the shell 1. During the transportation process, the coal blocks are buffered by the buffer plate 602 inside the feed pipe 601. When the coal blocks contact the buffer plate 602, the buffer spring 604 will shrink under pressure, slowing down the falling speed of the coal blocks, reducing the impact on the conveyor belt 10, making the coal blocks fall more smoothly on the conveyor belt 10, reducing the dust generated when the coal blocks fall, and reducing the impact of the dust on the equipment. When the coal blocks fall on the conveyor belt 10, the controller 5 controls the servo motor 14 to run, and the servo motor 14 drives the left rotating roller 9 to rotate, and then drives the conveyor belt 10 to rotate. When the coal blocks run through the conveyor belt 10, their weight acts on the weighing sensor 13 installed under the conveyor belt 10. The weighing sensor 13 will feel the pressure and undergo a slight deformation. This deformation will cause the resistance value inside the weighing sensor 13 to change, and then generate an electrical signal proportional to the weight. The weighing sensor 13 transmits the electrical signal to the controller 5 for processing, and then cooperates with the speed sensor 16 to monitor the running speed of the conveyor belt 10 in real time. By combining the instantaneous weight data provided by the weighing sensor 13 and the conveyor belt 10 speed data provided by the speed sensor 16, the flow rate of the coal blocks can be calculated, and finally transported to the appropriate position from the discharge pipe 7.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A coal feeder weighing protection structure, characterized in that: The invention comprises a shell (1), a protection box (2) is fixedly mounted on the front end of the shell (1), a box door (3) is rotatably mounted on the front end of the protection box (2), a handle (4) is fixedly mounted on the right side of the front end of the box door (3), a controller (5) is arranged inside the protection box (2), a protection assembly (6) is arranged at the upper end of the shell (1), and a discharge pipe (7) is fixedly connected to the right end of the shell (1); The protective component (6) comprises a feed pipe (601), wherein the feed pipe (601) is arranged at the upper end of the shell (1), and a plurality of buffer plates (602) and a plurality of fixed plates (603) are fixedly installed on the inner side wall of the feed pipe (601), wherein the plurality of fixed plates (603) are arranged below the plurality of buffer plates (602), the number of the fixed plates (603) is the same as the number of the buffer plates (602), and a matching fixed plate (603) is arranged on the lower side of each of the buffer plates (602), and a buffer spring (604) is fixedly installed between the fixed plate (603) and the buffer plate (602).

2. A coal feeder weighing protection structure according to claim 1, characterized in that: Two rotating rollers (9) are rotatably mounted inside the housing (1), and a conveyor belt (10) is transmission-connected between the two rotating rollers (9).

3. A coal feeder weighing protection structure according to claim 1, characterized in that: A protective frame (8) is fixedly mounted at the rear end of the housing (1), a servo motor (14) is provided inside the protective frame (8), and an output end of the servo motor (14) passes through the rear side wall of the housing (1) and is fixedly connected to the rear end of the left rotating roller (9).

4. A coal feeder weighing protection structure according to claim 1, characterized in that: A support plate (12) and a roller (11) are fixedly connected between the front and rear side walls inside the shell (1), a weighing sensor (13) is provided at the upper end of the support plate (12), and the roller (11) supports the operation of the conveyor belt (10).

5. A coal feeder weighing protection structure according to claim 1, characterized in that: The inner front side wall of the housing (1) is provided with a mounting groove (15), the mounting groove (15) is close to the left rotating roller (9), and a speed sensor (16) is provided inside the mounting groove (15).

Images