Coke pusher coal leveling bar anti-collision protection device

Abstract

The utility model relates to an anti-collision protection device for a coal leveling bar of a coke pusher. The anti-collision protection device comprises an upper steel structure of the coal leveling bar, a limit mounting plate, a limit, a limit push rod, a limit push rod connecting pipe, the coal leveling bar, a circuit power supply, a limit output normally open contact KA1, a relay KA2, a contactor KM of the coal leveling bar of the coke pusher and an alarm HB. The device prevents the coal leveling bar from colliding with the small furnace door, realizes stopping the operation of the coal leveling bar when the coal leveling bar upwarps over the limit, can give an alarm for reminding, has the characteristics of simple structure, stable performance, reliable work, easiness in manufacturing and high cost performance, and is suitable for being popularized and applied in the aspect of anti-collision protection of the coal leveling bar of the coke pusher.

Description

Technical Field

[0001] This patent application belongs to the field of equipment control system technology, and more specifically, relates to a coke pusher coal leveling rod anti-collision protection device. Background Technology

[0002] The coke pusher is a key piece of equipment in coking production. Its main function is to push mature coke out of the carbonization chamber and send it to the next process step. Simultaneously, it levels the newly loaded coal in the carbonization chamber to ensure unobstructed flow. The coal leveler, a major component of the coal leveling device, enters the carbonization chamber through a small furnace door using a drive mechanism. It levels the coal loaded into the chamber, disperses coal buildup, and increases the coal loading capacity.

[0003] In actual use, due to variations in furnace temperature, material properties, and usage, the coal leveling rod may deform and warp to some extent. In most cases, the deformation is minor and within the operating range, allowing for continuous use. However, there have been instances where the deformation is significant, causing the leveling rod to collide with the edge of the small furnace door frame upon entry, resulting in the front section of the rod curling and becoming damaged, making leveling operations impossible. This will affect production and damage the company's economic benefits.

[0004] In response to this phenomenon, researchers invented a coke pusher leveling rod anti-collision protection device, which has the function of preventing the leveling rod from colliding with the small furnace door, avoiding equipment damage and ensuring safe production operations. Utility Model Content

[0005] The technical problem this utility model aims to solve is to address the issue of the coke pusher's coal leveling rod colliding with the small furnace door. The design provides a coal leveling rod anti-collision protection device that prevents the coal leveling rod from colliding with the small furnace door, stops its operation when it exceeds the limit, and issues an alarm.

[0006] To solve the above problems, the technical solution adopted by this utility model is as follows:

[0007] A collision protection device for a coke pusher's leveling rod, corresponding to the leveling rod, includes an upper steel structure of the leveling rod, a limiting mounting plate installed at the bottom of the upper steel structure of the leveling rod, a limiting rod installed on the side wall of the limiting mounting plate, a limiting push rod corresponding to the limiting rod, and a limiting push rod connecting pipe rotatably installed at the end of the limiting push rod. The limiting push rod connecting pipe corresponds to the leveling rod. The limiting mounting plate is perpendicular to the upper side of the leveling rod, the limiting push rod is perpendicular to the upper edge of the leveling rod, and the limiting push rod connecting pipe is horizontal and parallel to the top of the leveling rod.

[0008] The limit switch is a proximity switch with a dry contact output. In the control circuit, the power supply is 220V. The control circuit connects three parallel circuits via a power switch K, including the normally open limit switch output KA1, relay KA2, coke pusher coal leveling rod contactor KM, and alarm HB. The specific circuit is as follows:

[0009] The normally open limit output contact KA1 is connected in series with the coil of relay KA2, and the limit control line is connected to the normally open limit output contact KA1;

[0010] The first normally open contact of relay KA2 is connected in series with the coil circuit of contactor KM of the coke pusher car coal leveling rod.

[0011] The second normally open contact of relay KA2 is connected in series with the alarm circuit HB.

[0012] Furthermore, the upper steel structure of the coal leveling pole is made of channel steel.

[0013] Furthermore, the limit switch is a lever-type proximity switch with the specification model LX33-12.

[0014] Furthermore, the limit push rod connecting pipe is a 4-point pipe.

[0015] Furthermore, the limiting mounting plate is a columnar rod.

[0016] Furthermore, the upper steel structure of the coal leveling pole is a portal-shaped structure.

[0017] Furthermore, relay KA2 is either an electromagnetic relay or a reed relay.

[0018] The beneficial effects achieved by this utility model due to the adoption of the above technical solution are as follows:

[0019] The anti-collision protection device for the coke pusher's leveling rod, with this structure, avoids the problems of previous coke pusher leveling rods lacking detection and anti-collision protection, resulting in frequent accidents and maintenance due to direct stress. This anti-collision protection device uses a limit switch installed on the upper part of the leveling rod. When the head of the leveling rod tilts too high and touches the limit switch connecting pipe, the limit switch activates, and the leveling rod immediately stops running. After inspection and repair, the leveling rod can be resumed. This structure of the coke pusher leveling rod protection device has clear functions, is easy to set and adjust, and is simple and straightforward. The limit switch used for leveling rod control uses a dry contact, which will not bring any abnormal signals to the control system, thus effectively ensuring the long-term stable use of the leveling rod.

[0020] This utility model has a simple structure, stable performance, reliable operation, easy manufacturing, and high cost performance, making it suitable for widespread application in the anti-collision protection of the coal leveling rod of the coke pusher. Attached Figure Description

[0021] Figure 1This is a schematic diagram of the structure of this device.

[0022] Figure 2 This is a diagram illustrating the operation process of this device.

[0023] Figure 3 This is a schematic diagram of the overall structure of the device.

[0024] Figure 4 This is the circuit diagram of this device.

[0025] Among them: 1. Upper steel structure of coal leveling rod, 2. Limiting installation plate, 3. Limiting push rod, 4. Limiting push rod after action, 4' of limiting push rod after action, 5. Limiting push rod connecting pipe after action, 5' of limiting push rod after action, 6. Coal leveling rod, 6' of coal leveling rod after action;

[0026] Line power supply, power switch K, limit output normally open contact KA1, relay KA2, coke pusher coal leveling rod contactor KM, alarm HB. Detailed Implementation

[0027] The present invention will be further described in detail below with reference to the embodiments.

[0028] A type of anti-collision protection device for the coal leveling rod of a coke pusher, such as Figures 1-4 This device consists of the upper steel structure of the coal leveling rod 1, the limit mounting plate 2, the limit 3, the limit push rod 4, the limit push rod connecting pipe 5, the coal leveling rod 6, the power supply is 220V, the power switch K, the limit output normally open contact KA1, the relay KA2, the coke pusher car coal leveling rod contactor KM, the alarm HB, and related wiring.

[0029] This anti-collision protection device works in conjunction with the coal leveling rod 6, and its specific structure is as follows: Figures 1-3 As shown: It includes a steel structure 1 for the upper part of the coal leveling rod, a limiting mounting plate 2 installed at the bottom of the steel structure 1 for the upper part of the coal leveling rod, a limiting 3 installed on the side wall of the limiting mounting plate 2, a limiting push rod 4 that cooperates with the limiting 3, and a limiting push rod connecting pipe 5 that is rotatably installed at the end of the limiting push rod 4. The limiting push rod connecting pipe 5 cooperates with the coal leveling rod 6. The limiting mounting plate 2 is perpendicular to the upper side of the coal leveling rod 6, the limiting push rod 4 is perpendicular to the upper edge of the coal leveling rod 6, and the limiting push rod connecting pipe 5 is horizontal and parallel to the top of the coal leveling rod 6.

[0030] Limit switch 9 is a proximity switch with a dry contact output. In the control circuit, the power supply is 220V. The control circuit connects three parallel circuits via power switch K, including the normally open limit switch output KA1, relay KA2, coke pusher coal leveling rod contactor KM, and alarm HB. The specific circuit is as follows: Figure 4 As shown:

[0031] The normally open contact KA1 of the limit output is connected in series with the coil of the relay KA2, and the control line of the limit 9 is connected to the normally open contact KA1 of the limit output;

[0032] The first normally open contact of relay KA2 is connected in series with the coil circuit of contactor KM of the coke pusher car coal leveling rod.

[0033] The second normally open contact of relay KA2 is connected in series with the alarm circuit HB.

[0034] The upper steel structure 1 of the coal leveling pole is made of channel steel. Since the upper steel structure 1 of the coal leveling pole is the supporting beam of the coal leveling pole base, the whole structure is a portal frame structure, such as... Figure 3 .

[0035] Limit switch 9 is a rod-type proximity switch, model LX33-12. Limit push rod connecting pipe 5 is a 4-point pipe. Limit mounting plate 2 is a columnar rod. Upper steel structure 1 of the leveling rod. Relay KA2 is an electromagnetic relay or a reed relay.

[0036] Figures 1-3 The diagram shows that by installing the limiting mounting plate 2 on the upper steel structure 1 of the coal leveling rod at the front of the coke pusher's coal leveling device, perpendicular to the upper side of the coal leveling rod 6, the limiting 3 is installed on the limiting mounting plate 2, the limiting push rod 4 is perpendicular to the upper edge of the coal leveling rod 6, and a rotatable limiting push rod connecting pipe 5 is installed at the end of the limiting push rod 4, with the limiting push rod connecting pipe 5 horizontally parallel to the top of the coal leveling rod 6. Figure 4 The control line of limit switch 3 is connected to the normally open limit output point KA1 according to the wiring principle. The normally open limit output point KA1 is connected in series with the relay coil KA2. The first normally open point of relay KA2 is connected in series with the coil KM circuit of the coal leveling rod control contactor, and the second normally open point of relay KA2 is connected in series with the alarm HB circuit.

[0037] Figure 2 The demonstration shows the process of "the coal leveling rod head tilting too high and touching the limit push rod connecting pipe, triggering the limit switch." The dotted lines show the limit push rod connecting pipe 5', the limit push rod 4', and the coal leveling rod 6' after the action. In operation, when the coal leveling rod 6 tilts too high and touches the limit push rod connecting pipe 5, limit switch 3 activates, limit push rod 4 rotates, and limit switch 3 receives a signal. Since the control line of limit switch 3 is connected to the normally open limit output contact KA1, KA1 closes, energizing the coil of relay KA2. Both the first and second normally open contacts of relay KA2 close, energizing the coil of the coal leveling rod contactor KM. Coal leveling rod 6 immediately stops operating, and alarm HB activates, sounding an alarm. After inspection and repair by the operator, coal leveling rod 6 can be restored to operation.

Claims

1. A collision protection device for the coal leveling rod of a coke pusher, corresponding to and cooperating with the coal leveling rod (6), characterized in that: It includes the upper steel structure (1) of the coal leveling rod, the limiting installation plate (2) installed at the bottom of the upper steel structure (1) of the coal leveling rod, the limiting (3) installed on the side wall of the limiting installation plate (2), the limiting push rod (4) corresponding to the limiting (3), and the limiting push rod connecting pipe (5) rotatably installed at the end of the limiting push rod (4). The limiting push rod connecting pipe (5) corresponds to the coal leveling rod (6). The limiting installation plate (2) is perpendicular to the upper side of the coal leveling rod (6), the limiting push rod (4) is perpendicular to the upper edge of the coal leveling rod (6), and the limiting push rod connecting pipe (5) is horizontally parallel to the top of the coal leveling rod (6). The limit switch (9) is a proximity switch with a dry contact. In the control circuit, the power supply of the control circuit is 220V. The control circuit is connected to three sets of parallel circuits through the power switch K, including the limit output normally open contact KA1, relay KA2, coke pusher coal leveling rod contactor KM, and alarm HB. The specific circuit is as follows: The normally open contact KA1 of the limit output is connected in series with the coil of the relay KA2, and the control line of the limit (9) is connected to the normally open contact KA1 of the limit output; The first normally open contact of relay KA2 is connected in series with the coil circuit of contactor KM of the coke pusher car coal leveling rod. The second normally open contact of relay KA2 is connected in series with the alarm circuit HB.

2. The anti-collision protection device for the coal leveling rod of a coke pusher according to claim 1, characterized in that: The upper steel structure of the coal leveling pole (1) is a channel steel.

3. The anti-collision protection device for the coal leveling rod of a coke pusher according to claim 1, characterized in that: The limit switch (9) is a rod-type proximity switch with a specification model of LX33-12.

4. The anti-collision protection device for the coal leveling rod of a coke pusher according to claim 1, characterized in that: The limit push rod connecting pipe (5) is a 4-point pipe.

5. The anti-collision protection device for the coal leveling rod of a coke pusher according to claim 1, characterized in that: The limiting mounting plate (2) is a columnar rod.

6. A collision protection device for the coal leveling rod of a coke pusher according to any one of claims 1-5, characterized in that: The upper steel structure of the coal leveling pole (1) is a gate-shaped structure.

7. The anti-collision protection device for the coal leveling rod of a coke pusher according to claim 6, characterized in that: Relay KA2 is either an electromagnetic relay or a reed relay.

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