Guiding device for coaling rear baffle

Abstract

The utility model discloses a guide device for a coaling rear baffle, which comprises a coal supporting bottom plate, the coaling rear baffle and four traveling wheels mounted on two sides of the bottom of the coaling rear baffle, the four traveling wheels are distributed on two sides of the coal supporting bottom plate in a pairwise opposite manner, and chamfers are arranged on two sides of the tail end of the coal supporting bottom plate along the retreating direction; a guide mechanism is fixed to the end, close to the coal supporting bottom plate, of the bottom of the rear coaling baffle and located in front of the walking wheels in the returning direction. The coal loading device has the advantages that the guide mechanism is mounted on the coal loading rear baffle, so that the limiting piece drives the coal loading rear baffle to restay right above the coal supporting bottom plate, and meanwhile, the four traveling wheels are relatively corrected, so that the collision problem is solved; the coal scraping plates on the two sides of the bottom of the limiting piece can scrape the residual coal layer on the upper surface of the outer side of the coal supporting bottom plate to the two sides of the walking wheel, the contact frequency of the roller and the chamfered surface of the coal supporting bottom plate in the follow-up returning action process is reduced, abrasion of the roller is reduced, and the service life is prolonged.

Description

Technical field:

[0001] The utility model relates to the technical field of coking equipment, in particular to a guiding device for a baffle plate after coal loading. Background technology:

[0002] The tamping coal loading and coke pushing machine (SCP machine) works on the coke oven side and uses a two-point alignment method to operate the coke oven carbonization chamber. Now its working process is described as follows:

[0003] During the operation of the coke oven equipment, the required coal is continuously transported from the SCP machine belt feeding system to the coal hopper on the SCP locomotive by the belt conveyor, and the coal in the coal hopper is then transported to the tamping box through the plate feeder. The automated tamping system is installed above the tamping box. When the detection system detects that there is a 1m high bottom coal at the bottom of the tamping box, the tamping machine drives the tamping hammer to move up and down to compact the coal in the tamping box, and stops tamping when the coal cake height reaches 6m, waiting for the coal loading command. Assuming that the SCP machine is in the pushing position of the nth hole carbonization chamber at this time, the machine side furnace door is opened (lifted) by the door-taking device, and then the wedge of the back pressure brake device acts on the basic structure of the track to transmit the horizontal force generated during the pushing process. Then the main control room sends a control signal, the coke blocking car is ready to block the coke, the coke quenching car is ready to receive the coke, the coke pushing device pushes out the hot coke, and at the same time opens the super steam knife at the coke pushing head to blow away the graphite on both sides of the carbonization chamber and the top of the furnace. While completing the coke pushing operation, the furnace door frame and furnace door are cleaned, the wedge of the counter-pressure brake device is retracted, and the locomotive moves to the coal loading position. At the coal loading position, after receiving the release signal from the main control room, the coke blocking car closes the furnace door, the movable wall and front baffle of the tamping box are opened, and the wedge of the counter-pressure brake device acts on the track infrastructure again, and then the coal supporting bottom plate is driven by the chain to load the coal cake into the coke oven. At this position, the rear baffle locking device is opened after coal loading, and the rear baffle moves with the coal supporting bottom plate. When the coal supporting bottom plate withdraws from the carbonization chamber, the locking device locks the rear baffle to block the coal cake, thereby preventing the coal cake from moving out of the coke oven carbonization chamber with the coal supporting bottom plate. After the coal cake is completely fixed to the furnace bottom, the rear baffle of coal loading is unlocked, and the pull-back winch pulls it back to its starting position on the coal supporting bottom plate. The coal supporting bottom plate returns to its original position, the wedge of the thrust device withdraws, the front baffle of the tamping box and the movable wall of the tamping box are closed, the coal loading operation is completed, and a new tamping cycle begins. Then, the SCP machine moves back to the original coke pushing position, closes the furnace door of the carbonization chamber of the hole at this position, and then positions to the carbonization chamber No. n+5, and the SCP machine completes one cycle.

[0004] After the coal cake is tamped, the left and right coal walls are opened, and the coal-loading coke pusher retracts the coal-supporting bottom plate, coal cakes and the coal-loading rear baffle together; the retraction of the coal-supporting bottom plate depends on the coal-supporting bottom plate transmission system, and the retraction of the coal-loading rear baffle depends on the rear baffle winch. Travel wheels are installed on both sides of the bottom of the coal-loading rear baffle, and the travel wheels are respectively placed on the upper surface of both sides of the coal-supporting bottom plate. The rear baffle winch is fixed on the bracket and does not move with the coal-supporting bottom plate. Since the coal-supporting bottom plate transmission system and the rear baffle winch are two sets of drive systems, the speeds of the coal-supporting bottom plate and the coal-loading rear baffle when they are retracted together are different.

[0005] The existing defects are: after the left and right coal walls are opened, there is a collision between the traveling wheel and the coal supporting bottom plate. There are two reasons: First, after the left and right coal walls are opened, there is a lack of constraints on the movement of the rear baffle, and there may be an offset during the retreat movement, causing the traveling wheel at the bottom of the rear baffle to collide with the coal supporting bottom plate after coal loading; second, there is a residual coal layer on the outer upper surface of the coal supporting bottom plate, the thickness of the residual coal layer is 1-3 mm, and the residual coal layer is not evenly distributed on the coal supporting bottom plate. When the traveling wheel presses on the residual coal layer, the rear baffle after coal loading will move and deviate, and the traveling wheel at the bottom of the rear baffle will also collide with the coal supporting bottom plate; the collision between the traveling wheel and the coal supporting bottom plate will cause serious damage to the traveling wheel bearings and shafts, posing a serious threat to the continuous production of the coke oven.

[0006] Therefore, a solution needs to be proposed to overcome the technical defects existing in the current prior art. Utility model content:

[0007] The utility model aims to provide a guiding device for a baffle after coal loading, so as to solve the problems raised in the above-mentioned background technology.

[0008] The utility model is implemented by the following technical solutions:

[0009] The lifting of the ...

[0010] Preferably, the limiting member is welded to the bottom surface of the coal loading rear baffle. The limiting member has a "U" - shaped structure with its opening downward and the middle part sunken upward. The wall thicknesses on both sides of the bottom of the limiting member are equal to the diameter of the roller, and the inner surfaces on both sides of the bottom of the limiting member are movably placed outside the coal supporting bottom plate.

[0011] Preferably, the rounded surface extending from the circumferential surface at the bottom of the roller rolls and fits with the chamfered surface of the coal supporting bottom plate.

[0012] Preferably, the bottom surface of the coal scraping plate fits with the upper surface outside the coal supporting bottom plate.

[0013] Advantages of the present utility model: By installing a guiding mechanism on the coal loading rear baffle, and using the roller on the guiding mechanism to roll and fit with the chamfered surface of the coal supporting bottom plate, the limiting member drives the coal loading rear baffle to be centered directly above the coal supporting bottom plate again. At the same time, the four walking wheels are relatively corrected, and there will be no collision between the walking wheels at the bottom of the coal loading rear baffle and the coal supporting bottom plate during the subsequent backward movement. Secondly, the coal scraping plates on both sides of the bottom of the limiting member will scrape the remaining coal layer on the upper surface outside the coal supporting bottom plate to both sides of the walking wheels, reducing the contact times between the roller and the chamfered surface of the coal supporting bottom plate during the subsequent backward movement, reducing the wear of the roller, and improving the service life. Description of the drawings:

[0014] Figure 1 It is a partial structural schematic diagram of the prior art;

[0015] Figure 2 It is a reference drawing for the use of the present utility model;

[0016] Figure 3 It is a main structural schematic diagram of the present utility model;

[0017] Figure 4 It is Figure 3 the bottom view of

[0018] In the figure: 1. Coal supporting bottom plate, 1.1 Chamfer, 2. Coal loading rear baffle, 2.1 Walking wheel, 3. Limiting member, 3.1 Rounded corner, 4. Roller, 5. Coal scraping plate. Detailed implementation manners:

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0020] Please refer to Figure 1-4, the present utility model provides a technical solution for a guiding device of a coal loading rear baffle:

[0021] A guiding device for a coal loading rear baffle, comprising a coal supporting bottom plate 1, a coal loading rear baffle 2, and four traveling wheels 2.1 installed on both sides of the bottom of the coal loading rear baffle 2. The four traveling wheels 2.1 are distributed in pairs and opposite to each other on both sides of the coal supporting bottom plate 1. Chamfers 1.1 are provided on both ends of the coal supporting bottom plate 1 along the retracting direction; at one end of the bottom of the coal loading rear baffle 2 close to the coal supporting bottom plate 1, a guiding mechanism is fixed. The guiding mechanism is located in front of the traveling wheels 2.1 along the retracting direction; the guiding mechanism includes: a limiting member 3, two rollers 4, and two coal scraping plates 5; on the inner surfaces of both sides of the front end bottom of the limiting member 3 along the retracting direction, rounded corners 3.1 are provided. At the front end bottom of the limiting member 3 along the retracting direction, above the rounded corners 3.1, rollers 4 are rotatably arranged. The circumferential surface of the bottom of the rollers 4 extends out of the surface of the rounded corners 3.1 and rolls in contact with the chamfered surface 1.1 of the coal supporting bottom plate 1. On both sides of the rear end bottom of the limiting member 3 along the retracting direction, coal scraping plates 5 are respectively fixed. The two coal scraping plates 5 form an "eight" - shaped structure. The two coal scraping plates 5 are located in front of the traveling wheels 2.1 along the retracting direction, and the bottom surface of the coal scraping plates 5 is in contact with the outer upper surface of the coal supporting bottom plate 1.

[0022] Among them, the limiting member 3 is welded to the bottom surface of the coal loading rear baffle 2. The limiting member 3 has a "U" - shaped structure with its opening downward and the middle part recessed upward. The wall thicknesses of both sides of the bottom of the limiting member 3 are equal to the diameter of the rollers 4. The inner surfaces of both sides of the bottom of the limiting member 3 are movably placed outside the coal supporting bottom plate 1.

[0023] The working principle is as follows: After the coal cake is tamped, the left and right coal walls are opened. The guiding mechanism retracts synchronously with the coal loading rear baffle 2. Through the rolling contact between the rollers 4 and the chamfered surface 1.1 of the coal supporting bottom plate 1, the limiting member 3 drives the coal loading rear baffle 2 to be re - positioned directly above the coal supporting bottom plate 1, and at the same time, the four traveling wheels 2.1 are relatively corrected, so that the traveling wheels at the bottom of the coal loading rear baffle and the coal supporting bottom plate will not collide during the subsequent retracting movement.

[0024] At the same time, during the retracting movement of the limiting member 3, the coal scraping plates 5 on both sides of the bottom of the limiting member 3 will scrape the remaining coal layers on the outer upper surface of the coal supporting bottom plate 1 to both sides of the traveling wheels 2.1, reducing the contact times between the rollers 4 and the chamfered surface 1.1 of the coal supporting bottom plate 1 during the subsequent retracting action, reducing the wear of the rollers 4, improving the service life, and solving the technical defects existing in the current prior art.

[0025] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, 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 guiding device for a baffle after coal loading, comprising a coal supporting bottom plate (1), a coal loading baffle (2) and four running wheels (2.1) installed on both sides of the bottom of the coal loading baffle (2), wherein the four running wheels (2.1) are arranged on both sides of the coal supporting bottom plate (1) in pairs and opposite to each other, and the ends of the coal supporting bottom plate (1) along the retreat direction are provided with chamfers (1.1) on both sides; characterized in that: A guiding mechanism is fixed to one end of the bottom of the coal loading rear baffle (2) close to the coal supporting bottom plate (1), and the guiding mechanism is located in front of the traveling wheels (2.1) along the retracting direction; the guiding mechanism includes: a limiting member (3), two rollers (4) and two coal scraping plates (5); the inner surfaces of both sides of the front bottom of the limiting member (3) along the retracting direction are provided with rounded corners (3.1), rollers (4) are rotatably arranged above the rounded corners (3.1) at the front bottom of the limiting member (3) along the retracting direction, coal scraping plates (5) are respectively fixed to both sides of the rear bottom of the limiting member (3) along the retracting direction, an "eight" - shaped structure is formed between the two coal scraping plates (5), and the two coal scraping plates (5) are located in front of the traveling wheels (2.1) along the retracting direction.

2. A guide device for a baffle after coal loading according to claim 1, characterized in that: The limiting member (3) is welded to the bottom surface of the coal loading rear baffle (2), the limiting member (3) has a "U" - shaped structure with its opening downward and the middle part recessed upward, the wall thicknesses of both sides of the bottom of the limiting member (3) are equal to the diameter of the rollers (4), and the inner surfaces of both sides of the bottom of the limiting member (3) are movably placed outside the coal supporting bottom plate (1).

3. The guide device for a baffle after coal loading according to claim 1, characterized in that: The surface of the bottom circumference of the roller (4) extending out of the surface of the rounded corner (3.1) is in rolling fit with the chamfered surface (1.1) of the coal supporting bottom plate (1).

4. The guide device for a baffle after coal loading according to claim 1, characterized in that: The bottom surface of the coal scraping plate (5) is in fit with the outer upper surface of the coal supporting bottom plate (1).

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