Pipe belt machine fault early warning device

Abstract

The utility model relates to the technical field of pipe belt machines, in particular to a pipe belt machine fault early warning device which comprises a belt, a heavy hammer used for pulling the belt downwards and guide rods located on the two sides of the heavy hammer, limiting needles are arranged on the two sides of the heavy hammer, the guide rods are fixedly connected with lower limiting switches capable of limiting the positions of the limiting needles, and the lower limiting switches are electrically connected with a pipe belt machine starting and stopping switch. An upper limiting switch is fixedly connected to the position, located above the lower limiting switch, of the guide rod, the upper limiting switch can limit the position of the limiting needle, the upper limiting switch is electrically connected with a pipe belt machine starting and stopping switch, and the limiting needle is located between the upper limiting switch and the lower limiting switch; by arranging the lower limit switch, the descending range of the heavy hammer can be limited, and the pipe belt conveyor can be stopped in time when the heavy hammer descends to a lower limit position, so that further expansion of faults is avoided; by arranging the upper limit switch, the ascending range of the heavy hammer can be limited, and when the heavy hammer ascends to the upper limit position, the pipe belt machine can be stopped in time.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe belt conveyors, and specifically relates to a fault warning device for a pipe belt conveyor. Background Art

[0002] A pipe belt conveyor, also known as a tubular belt conveyor, is a belt conveyor in which the load-bearing and return branches of the conveyor belt are curled into a tubular shape. During the operation of the pipe belt conveyor, faults such as scratches on the belt during operation, jamming of the drum due to faults, severe deviation of the belt, and twisting of the tubular belt may occur. However, the existing pipe belt conveyors do not have a dedicated fault warning device, resulting in the inability to detect faults in a timely manner and causing significant losses. Content of the Utility Model

[0003] The main purpose of the utility model is to provide a fault warning device for a pipe belt conveyor to solve the problem that faults of the pipe belt conveyor cannot be detected in a timely manner in the above-mentioned prior art.

[0004] To achieve the above purpose, the utility model provides a fault warning device for a pipe belt conveyor, which includes a belt, a weight for pulling the belt downward, guide rods located on both sides of the weight, limit pins provided on both sides of the weight, a lower limit switch fixedly connected to the guide rods and capable of restricting the position of the limit pins, and the lower limit switch is electrically connected to the opening and closing switch of the pipe belt conveyor.

[0005] Further, an upper limit switch is fixedly connected to the guide rods at a position above the lower limit switch. The upper limit switch can restrict the position of the limit pins, and the upper limit switch is electrically connected to the opening and closing switch of the pipe belt conveyor. The limit pins are located between the upper limit switch and the lower limit switch.

[0006] Further, it also includes a DCS system. The upper limit switch and the lower limit switch are electrically connected to the DCS system, and the DCS system is electrically connected to the opening and closing switch of the pipe belt conveyor.

[0007] Further, a first roller is rotatably connected to the weight, and the first roller abuts against the inner side of the belt.

[0008] Further, a second roller is provided above the first roller, and the second roller abuts against the outer side of the belt.

[0009] By setting the lower limit switch, the utility model can restrict the descending range of the weight, and can stop the pipe belt conveyor in a timely manner when the weight descends to the lower limit position, thereby avoiding the further expansion of the fault. By setting the upper limit switch, the ascending range of the weight can be restricted, and when the weight ascends to the upper limit position, the pipe belt conveyor can be stopped in a timely manner, thereby avoiding the further expansion of the fault. Description of the Drawings

[0010] The accompanying drawings of the specification, which form a part of this application, are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation of the present utility model.

[0011] Figure 1 It is a schematic structural diagram of an embodiment;

[0012] In the figure: 1, belt; 2, weight; 3, guide rod; 4, limit pin; 5, lower limit switch; 6, upper limit switch; 7, first roller; 8, second roller. Specific embodiments

[0013] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0014] As Figure 1 shown, according to an embodiment of the present utility model, a fault warning device for a pipe belt conveyor is provided, including a belt 1, a weight 2 for pulling the belt downward, guide rods 3 located on both sides of the weight 2, the weight 2 and the guide rods 3 are slidably connected, limit pins 4 are provided on both sides of the weight 2, and the limit pins 4 are made of galvanized round steel; a lower limit switch 5 that can limit the position of the limit pin 4 is fixedly connected to the guide rod 3; an upper limit switch 6 is fixedly connected to the position above the lower limit switch 5 on the guide rod 3, the upper limit switch 6 can limit the position of the limit pin 4, and the limit pin 4 is located between the upper limit switch 6 and the lower limit switch 5; the models of the upper limit switch 6 and the lower limit switch 5 are LXK3-20S / T; it also includes a DCS system, the upper limit switch 6 and the lower limit switch 5 are electrically connected to the DCS system, and the DCS system is electrically connected to the opening and closing switch of the pipe belt conveyor.

[0015] A first roller 7 is rotatably connected to the weight 2, and the first roller 7 abuts against the inner side of the belt 1; a second roller 8 is provided above the first roller 7, and the second roller 8 abuts against the outer side of the belt 1.

[0016] The working principle of the above embodiment is:

[0017] When a fault occurs in the pipe belt conveyor, the position of the weight 2 will change; when the belt ages or is scratched, the belt will become loose, causing the weight 2 to drop; when the roller fails and jams, the belt severely deviates, or the tubular belt twists, the belt will become tight, causing the weight to rise.

[0018] The upper limit switch 6 and the lower limit switch 5 limit the up and down movement range of the weight 2. When the weight 2 reaches the limited position, the pipe belt conveyor automatically shuts down; by controlling the range of the weight 2, it is possible to stop the machine in time when a fault occurs and avoid the further expansion of the fault.

[0019] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A belt conveyor fault warning device, comprising a belt (1), a weight (2) for pulling the belt downward, and guide rods (3) located on both sides of the weight (2), characterized in that: Limit pins (4) are provided on both sides of the weight (2), and a lower limit switch (5) capable of limiting the position of the limit pin (4) is fixedly connected to the guide rod (3), and the lower limit switch (5) is electrically connected to the belt conveyor start and stop switch.

2. The belt conveyor failure warning device according to claim 1, characterized in that: An upper limit switch (6) is fixedly connected to a position on the guide rod (3) above the lower limit switch (5); the upper limit switch (6) is capable of limiting the position of the limit needle (4); the upper limit switch (6) is electrically connected to the belt conveyor start and stop switch; and the limit needle (4) is located between the upper limit switch (6) and the lower limit switch (5).

3. The belt conveyor failure warning device according to claim 2, characterized in that: It also includes a DCS system, the upper limit switch (6) and the lower limit switch (5) are electrically connected to the DCS system, and the DCS system is electrically connected to the belt conveyor start and stop switch.

4. The belt conveyor failure warning device according to claim 1, characterized in that: A first roller (7) is rotatably connected to the weight (2), and the first roller (7) abuts against the inner side of the belt (1).

5. The belt conveyor failure warning device according to claim 4, characterized in that: A second roller (8) is provided above the first roller (7), and the second roller (8) abuts against the outer side of the belt (1).

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