Anti-blocking device for coal falling pipe of coal feeder outlet

Abstract

The utility model relates to coal pipe anti -blocking technical field discloses a kind of coal feeder's outlet coal pipe anti -blocking device, comprising: the installation box in the coal pipe one side, the one side of the installation box is provided with driving motor, transmission mechanism is equipped between the driving motor output and the installation box inner wall, the transmission mechanism is driven by driving rod and is led to cleaning rod group, sliding seat is installed in the back of the cleaning rod group, the sliding seat passes through the installation opening of the coal pipe upper opening, the cleaning rod group is closely attached to the coal pipe inner wall. The utility model is designed in the pipe section of coal pipe, moves by eccentricity, and the cleaning rod group is moved on the inner wall of coal pipe by the lower connecting shaft of misplacement design, and the coal material of cleaning wall-hanging is cleaned, to realize the effect of anti-wall-hanging, anti -blocking, overall structure is ingenious, coal leakage is not easy to appear, and the effect of clean coal is stable, and the influence to raw coal conveying is small.

Description

Technical Field

[0001] This utility model relates to the field of coal chute anti-blocking technology, and more specifically, it relates to an anti-blocking device for the outlet coal chute of a coal feeder. Background Technology

[0002] With the continuous growth of electricity demand, ultra-supercritical coal-fired power units are playing an increasingly important role in the power system. Coal blockage not only increases the workload of unblocking and prolongs the processing time, but also seriously threatens the safety and reliability of pulverizing system equipment, and may even force the unit to reduce its load, affecting the stability of power supply.

[0003] During the rainy season, the high moisture content and strong adhesion of raw coal cause coal to adhere to the walls of the coal chute, leading to frequent blockages in the coal feeder outlet chute, which seriously affects the safe and stable operation of the unit. Therefore, it is urgent to design an anti-blockage device for the coal feeder outlet chute to solve the above problems. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides an anti-blocking device for the outlet coal chutes of a coal feeder, so as to solve the problem of coal adhering to the pipe wall and causing blockage.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows: A device for preventing blockage of the coal feeder's outlet coal chute, comprising: An installation box is located on one side of the coal chute. A drive motor is installed on one side of the installation box. A transmission mechanism is provided between the output end of the drive motor and the inner wall of the installation box. The transmission mechanism drives the cleaning rod assembly through a drive rod. A sliding seat is installed on the back of the cleaning rod assembly. The sliding seat passes through the installation port opened on the coal chute. The cleaning rod assembly is in close contact with the inner wall of the coal chute.

[0006] As a further improvement to this utility model, the transmission mechanism includes a first rotating disk and a second rotating disk. The first rotating disk is installed at the output end of the drive motor, and the second rotating disk is located on the inner wall of the other side of the mounting box. Several I-shaped disks are arranged between the first rotating disk and the second rotating disk.

[0007] As a further improvement to this utility model, the first rotating disk, the second rotating disk, and the plurality of I-shaped disks are designed to be coaxial.

[0008] As a further improvement to this utility model, the transmission mechanism further includes a lower connecting shaft connecting the first rotating disk, the second rotating disk, and a plurality of the I-beam disks, the lower connecting shaft being eccentrically arranged.

[0009] As a further improvement to this utility model, an upper connecting shaft is provided on the back of the sliding seat, and both ends of the drive rod are rotatably connected to the lower connecting shaft and the upper connecting shaft, respectively.

[0010] As a further improvement to this utility model, the lower connecting shaft is divided into two groups, the two groups of lower connecting shafts are designed to be spaced apart, and the included angle between the two groups of lower connecting shafts is 180°.

[0011] As a further improvement to this utility model, the cleaning rod assembly includes a first cleaning rod and a second cleaning rod, which are designed to be spaced apart, and the first cleaning rod and the second cleaning rod completely cover the installation opening.

[0012] As a further improvement to this utility model, the first cleaning rod and the second cleaning rod have the same structure, and the first cleaning rod is a strip-shaped platform.

[0013] As a further improvement to this utility model, the sliding seat is T-shaped and slides in the mounting opening.

[0014] The beneficial technical effects of this utility model are: This utility model is designed in the section of the coal chutes, in which the lower connecting shaft with an eccentric and misaligned design drives the cleaning rod assembly to move on the inner wall of the coal chutes to clean the coal material stuck to the wall, thereby achieving the functions of preventing wall hanging and preventing blockage. The overall structure is ingenious, it is not easy for coal to leak, the coal cleaning effect is stable, and it has little impact on the raw coal transportation. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the present invention.

[0016] Figure 2 This is a schematic cross-sectional view of the coal chute in this utility model.

[0017] Figure 3 This is a partial perspective view of the present invention.

[0018] Figure 4 This is a three-dimensional structural diagram of the rotating disk 1, rotating disk 2, and I-shaped disk of this utility model.

[0019] Figure 5 This is a three-dimensional schematic diagram of the sliding seat and cleaning rod assembly in this utility model.

[0020] In the diagram: 100, Coal chute; 101, Installation port; 1, Installation box; 2, Drive motor; 3, Rotary disc one; 4, Rotary disc two; 5, I-beam disc; 6, Lower connecting shaft; 7, Drive rod; 8, Sliding seat; 9, Cleaning rod assembly; 91, Cleaning rod one; 92, Cleaning rod two; 10, Upper connecting shaft. Detailed Implementation

[0021] In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0022] Combination Figure 1 - Figure 5 The present invention provides the following embodiments: A device for preventing blockage in the outlet coal chute of a coal feeder includes an installation box 1 located on one side of the coal chute 100. A drive motor 2 is installed on one side of the installation box 1. A transmission mechanism is provided between the output end of the drive motor 2 and the inner wall of the installation box 1. The transmission mechanism drives a cleaning rod assembly 9 via a drive rod 7. A sliding seat 8 is installed on the back of the cleaning rod assembly 9, and the sliding seat 8 passes through an installation opening 101 on the coal chute 100. The cleaning rod assembly 9 is in close contact with the inner wall of the coal chute 100. In this embodiment, the drive motor 2 drives the cleaning rod assembly 9 to move on the inner wall of the coal chute 100 in a vertical direction. Several cleaning rod assemblies 9 are designed in a strip shape with equal spacing to prevent coal from sticking to the inner wall of the coal chute 100, thereby achieving the anti-blocking effect.

[0023] As another preferred embodiment of this utility model, the transmission mechanism includes a first rotating disk 3 and a second rotating disk 4. The first rotating disk 3 is mounted on the output end of the drive motor 2, and the second rotating disk 4 is located on the inner wall of the other side of the mounting box 1. Several I-shaped disks 5 are arranged between the first rotating disk 3 and the second rotating disk 4. Figure 3 and Figure 4 Rotary disk 3 and rotating disk 4 are located at both ends respectively. Rotary disk 4 is rotatably connected to the inner wall of the mounting box 1. Several I-shaped disks 5 are set between rotating disk 3 and rotating disk 4.

[0024] As another preferred embodiment of this utility model, the rotating disk 3, the rotating disk 4, and the several I-shaped disks 5 are designed to be coaxial. Specifically, the transmission is reasonable and can rotate coaxially, with the rotating disk 3 being concentrically connected to the output shaft of the drive motor 2.

[0025] As another preferred embodiment of this utility model, the transmission mechanism further includes a lower connecting shaft 6 connecting the first rotating disk 3, the second rotating disk 4, and several I-beam disks 5, in conjunction with the above connection relationship and Figure 4 In this embodiment, the lower connecting shaft 6 is located between the I-beam 5 and the first rotating disk 3, between two adjacent I-beam 5, and between the I-beam 5 and the second rotating disk 4, serving as a connection. Furthermore, the lower connecting shaft 6 is eccentrically positioned.

[0026] As another preferred embodiment of this utility model, an upper connecting shaft 10 is provided on the back of the sliding seat 8, and the two ends of the drive rod 7 are rotatably connected to the lower connecting shaft 6 and the upper connecting shaft 10, respectively. Figure 2, Figure 3 and Figure 4 Specifically, the two ends of the drive rod 7 are connected to the upper connecting shaft 10 and the lower connecting shaft 6 respectively, which is the function of the starting link.

[0027] As another preferred embodiment of this utility model, the lower connecting shaft 6 is divided into two groups, with the two groups of lower connecting shafts 6 spaced apart, and the included angle between the two groups of lower connecting shafts 6 is 180°. Figure 4 Specifically, the two sets of lower connecting shafts 6 are designed to be staggered. After transmission, one set of drive rods 7 moves downward and the other set moves upward.

[0028] As another preferred embodiment of this utility model, the cleaning rod assembly 9 includes a first cleaning rod 91 and a second cleaning rod 92. The first cleaning rod 91 and the second cleaning rod 92 are spaced apart, and the first cleaning rod 91 and the second cleaning rod 92 completely cover the installation port 101. Combined with the aforementioned lower connecting shaft 6 being divided into two groups and designed with a staggered arrangement, after transmission, the first cleaning rod 91 and the second cleaning rod 92 are staggered. During the coal cleaning process, the following occurs: Figure 3 The misalignment shown is beneficial for coal cleaning and removal.

[0029] As another preferred embodiment of this utility model, the cleaning rod 91 and the cleaning rod 92 have the same structure, with the cleaning rod 91 being a strip-shaped platform. Referring to the accompanying drawings, in this embodiment, the cleaning rod 91 has four inclined surfaces, especially the inclined surfaces at both ends, which can effectively break down the coal adhering to the inner wall of the coal drop pipe 100.

[0030] As another preferred embodiment of this utility model, the sliding seat 8 is T-shaped and slides within the mounting opening 101. Figure 5 In this embodiment, the protruding part of the sliding seat 8 is inserted into the mounting port 101 and can slide in the mounting port 101. The top surface of the protruding part of the sliding seat 8 is fixedly connected to the bottom surface of the cleaning rod assembly 9. The cleaning rod assembly 9 covers the mounting port 101 to prevent coal leakage. After the sliding seat 8 and the cleaning rod assembly 9 are assembled, the T-shaped horizontal end of the sliding seat 8 is close to the outer wall of the coal drop pipe 100 to prevent gaps from appearing between the cleaning rod assembly 9 and the inner wall of the coal drop pipe 100. In this embodiment, the drive motor 2 drives the rotating disk 3, the rotating disk 4 and the I-shaped disk 5 to rotate, so the lower connecting shaft 6 can also rotate. The lower connecting shaft 6 drives the drive rod 7, and the drive rod 7 is connected to the sliding seat 8 through the upper connecting shaft 10. The sliding seat 8 and the cleaning rod assembly 9 are clamped on the side wall of the coal drop pipe 100, so the cleaning rod assembly 9 can only move up and down, and the direction of movement is the same as the coal drop direction, so as to remove coal and clear blockages from the inner wall of the coal drop pipe 100.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A device for preventing blockage of the outlet coal chute of a coal feeder, characterized in that, include: An installation box (1) is located on one side of the coal drop pipe (100). A drive motor (2) is provided on one side of the installation box (1). A transmission mechanism is provided between the output end of the drive motor (2) and the inner wall of the installation box (1). The transmission mechanism drives the cleaning rod assembly (9) through the drive rod (7). A sliding seat (8) is installed on the back of the cleaning rod assembly (9). The sliding seat (8) passes through the installation port (101) opened on the coal drop pipe (100). The cleaning rod assembly (9) is close to the inner wall of the coal drop pipe (100).

2. The anti-blocking device for the coal feeder's outlet coal chute according to claim 1, characterized in that, The transmission mechanism includes a rotating disk one (3) and a rotating disk two (4). The rotating disk one (3) is installed at the output end of the drive motor (2). The rotating disk two (4) is located on the inner wall of the other side of the mounting box (1). Several I-shaped disks (5) are arranged between the rotating disk one (3) and the rotating disk two (4).

3. The anti-blocking device for the coal feeder's outlet coal chute according to claim 2, characterized in that, The first rotating disk (3), the second rotating disk (4), and the several I-shaped disks (5) are designed to be coaxial.

4. The anti-blocking device for the coal feeder's outlet coal chute according to claim 3, characterized in that, The transmission mechanism also includes a lower connecting shaft (6) connecting the first rotating disk (3), the second rotating disk (4) and a plurality of the I-shaped disks (5), the lower connecting shaft (6) being eccentrically arranged.

5. The anti-blocking device for the coal feeder's outlet coal chute according to claim 4, characterized in that, The sliding seat (8) has an upper connecting shaft (10) on its back side, and the two ends of the drive rod (7) are rotatably connected to the lower connecting shaft (6) and the upper connecting shaft (10) respectively.

6. The anti-blocking device for the coal feeder's outlet coal chute according to claim 4, characterized in that, The lower connecting shaft (6) is divided into two groups, with the two groups of lower connecting shafts (6) designed to be spaced apart, and the included angle between the two groups of lower connecting shafts (6) is 180°.

7. The anti-blocking device for the coal feeder's outlet coal chute according to claim 6, characterized in that, The cleaning rod assembly (9) includes a first cleaning rod (91) and a second cleaning rod (92). The first cleaning rod (91) and the second cleaning rod (92) are designed to be spaced apart, and the first cleaning rod (91) and the second cleaning rod (92) completely cover the installation port (101).

8. The anti-blocking device for the coal feeder's outlet coal chute according to claim 7, characterized in that, The cleaning rod one (91) and the cleaning rod two (92) have the same structure, and the cleaning rod one (91) is a strip-shaped platform.

9. The anti-blocking device for the outlet coal chute of the coal feeder according to claim 8, characterized in that, The sliding seat (8) is T-shaped and slides in the mounting port (101).

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