Safety device for iron pouring opening of tank pouring station

Abstract

The utility model belongs to the technical field of safety auxiliary devices for steelmaking, and particularly discloses a safety device for an iron adding opening of a tank pouring station, which comprises a support and a protective plate, a servo electric cylinder is fixedly connected onto the support, a first hinge piece is arranged on a telescopic rod of the servo electric cylinder, a first connecting block is fixedly connected onto the first hinge piece, and a second connecting block is fixedly connected onto the second connecting block. A second hinge piece is arranged at one end of the first connecting block, a plurality of second connecting blocks are fixedly connected to the first connecting block, each second connecting block is fixedly connected with the protection plate, and the support is located on one side of the iron adding opening. The potential safety hazard that people fall off exists in an iron pouring opening of an existing tank pouring station. According to the utility model, the support is placed on the open space on one side of the iron mixing port, the telescopic rod of the servo electric cylinder drives the protective plate to move towards the iron mixing port and simultaneously rotates the protective plate until the protective plate completely covers the iron mixing port, and the protective plate is additionally arranged above the iron mixing port to cover the iron mixing port. Therefore, when an operator maintains equipment above the iron mixing opening or cleans accumulated slag around the iron mixing opening, the operator cannot fall into the iron mixing opening due to factors such as foot loss and the like.

Description

Technical Field

[0001] This utility model relates to the technical field of safety auxiliary devices for steelmaking, specifically to a safety device for the iron-pouring tap at a steelmaking station. Background Technology

[0002] In the steelmaking process, the ladle-turning station is a crucial link, responsible for receiving molten iron from the blast furnace. The pouring spout is a key component of this station, allowing molten iron to flow smoothly from the ladle into the steelmaking furnace. Molten iron from the blast furnace is typically held in torpedo ladles, which are then transported by train to the ladle-turning station. After the train aligns the ladle car, the operator, via a tilting control box connected to the ladle, slowly cranks the brake lever in the control room, causing the molten iron to pour out through the tilting ladle's opening. This creates a stream of molten iron that flows through the pouring spout of the station and into an empty ladle container directly below the pouring spout, thus transferring the molten iron from the torpedo ladle to the ladle used in the converter steelmaking process.

[0003] The iron-feeding chute of a transfer station typically has torpedo-shaped guideways on both sides. Dust collection vents, dust collection pipes, and high-definition cameras are installed directly above and to the side of the chute. During actual production, if air leaks in the dust collection ducts or malfunctions occur in the cameras or auxiliary equipment, operators need to climb onto aerial work platforms or ladders for repairs. However, the iron-feeding chute, located below, poses a safety hazard. If an operator falls into the chute, the consequences could be disastrous. Furthermore, cleaning accumulated slag around the chute also presents significant safety risks.

[0004] In conclusion, there is an urgent need for a safety device to prevent operators from falling into the iron-discharging port due to slips or other factors when maintaining the equipment above the iron-discharging port or cleaning the slag around the iron-discharging port. Utility Model Content

[0005] The purpose of this utility model is to provide a safety device for the iron-exchange port of a transfer station, so as to solve the safety hazard of personnel falling from the iron-exchange port of the transfer station.

[0006] To achieve the above objectives, the basic solution provided by this utility model is as follows: a safety device for the iron dispensing port of a transfer station, comprising a support and a protective plate. A servo electric cylinder is fixedly connected to the support. A first hinge is provided on the telescopic rod of the servo electric cylinder. A connecting block 1 is fixedly connected to the first hinge. A second hinge is provided at one end of the connecting block 1. Several connecting blocks 2 are fixedly connected to the connecting block 1. Each connecting block 2 is fixedly connected to the protective plate. The support is located on one side of the iron dispensing port.

[0007] The principle and beneficial effects of this utility model are as follows: By placing a support on the open ground on one side of the iron-exchange port, the telescopic rod of the servo electric cylinder on the support can drive the protective plate to move towards the iron-exchange port and rotate it at a certain angle until the protective plate is directly above the iron-exchange port and can completely cover the iron-exchange port. By adding a protective plate above the iron-exchange port to cover it, operators will not fall into the iron-exchange port due to slips or other factors when maintaining the equipment above the iron-exchange port or cleaning the accumulated slag around the iron-exchange port.

[0008] Option 2, a preferred embodiment of the basic option, includes a first hinge component comprising a pin and a bearing seat. An clevis is fixedly attached to the telescopic rod of the servo electric cylinder. The pin rotates through the clevis and is rotatably connected to the bearing seat. A lug is fixedly attached to the pin. The bearing seat is fixedly connected to the telescopic rod of the servo electric cylinder, and the lug is fixedly connected to the connecting block. As the telescopic rod of the servo electric cylinder extends forward, the resulting forward thrust causes the pin to rotate forward. Combined with the weight of the protective plate, the protective plate, originally perpendicular to the ground, tilts forward, allowing it to rotate about the pin until it is parallel to the ground, thus covering the iron-collecting opening.

[0009] Option 3, a preferred option of the basic scheme, includes a second hinge component comprising a second pin and a second bearing housing. The second bearing housing is fixedly connected to the first connecting block, and the second pin is rotatably connected to the second bearing housing. A counterweight is fitted onto the second pin. Due to the linkage between the bearings of the first pin and the first bearing housing, and the linkage between the second pin and the second bearing housing, the backward force generated during the continuous retraction of the servo motor's telescopic rod will exert a certain upward traction force on the protective plate, causing the first pin to rotate backward. As the protective plate continuously flips upward, the second pin will also rotate backward to reduce the resistance encountered during the upward flip, ultimately allowing the protective plate to flip until it is perpendicular to the ground. The counterweight ensures that the second pin can rotate within the bearing of the second bearing housing when the protective plate is subjected to the flipping force.

[0010] Option 4, a preferred option of the basic design, features a braked roller at the bottom of the support. The roller allows the support to move freely on the ground near several iron-exchange ports, facilitating its movement to any of the ports.

[0011] Option 5, a preferred option of the basic design, features four slotted fixing blocks fixed to the protective plate. Each fixing block contains a horizontal pin, and each horizontal pin has a second earring fitted onto it. A support leg is fixed to every two earrings. The support leg is U-shaped, with both ends fixed to the second earring. The two second earrings are respectively fitted onto two horizontal pins, which pass through the middle of the fixing blocks. The support leg can be parallel and flush with the protective plate, or perpendicular to it. When the protective plate is directly above the iron-filling port, the support leg is opened to make it perpendicular to the plate. This design allows the protective plate to withstand more force. It can be retracted when not in use for easy access.

[0012] Option 6, the preferred option of the basic design, features a handle fixed to the protective plate. The handle facilitates easy and effortless movement of the support when needed. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the working structure of a safety device used at the iron-pouring port of a transfer station.

[0014] Figure 2 This is a schematic diagram of the structure of a safety device at the iron-pouring point of a transfer station when it is not in operation.

[0015] Figure 3 This is a top view of a safety device used at the iron-pouring point of a transfer station;

[0016] Figure 4 This is a front view of a safety device used at the iron-pouring point of a transfer station.

[0017] Figure 5 This is a schematic diagram of the structure of a safety device for the iron tapping point of a transfer station, including a fixing block, a horizontal pin, an ear loop, and a support leg. Detailed Implementation

[0018] The present invention will be further described in detail below through specific embodiments:

[0019] The reference numerals in the accompanying drawings of the instruction manual include: support 1, protective plate 2, servo electric lever 3, connecting block one 4, connecting block two 5, pin one 6, bearing seat one 7, ear ring one 8, ear seat 9, pin two 10, bearing seat two 11, counterweight 12, roller 13, fixing block 14, horizontal pin 15, ear ring two 16, support leg 17, handle 18, iron outlet 19.

[0020] Example

[0021] like Figures 1 to 5 As shown: A safety device for the iron dispensing port of a transfer station includes a support 1 and a protective plate 2. A servo electric cylinder 3 is welded onto the support 1. The model of the servo electric cylinder 3 is RLA95-20QF-30.6KN-L200-41.6mm / s. A first hinge is provided on the telescopic rod of the servo electric cylinder 3. A connecting block 4 is fixedly connected to the first hinge. The first hinge includes a pin 6 and a bearing seat 7. An ear 8 is welded onto the telescopic rod of the servo electric cylinder 3. The pin 6 rotatably passes through the ear 8 and is rotatably connected to the bearing seat 7. An ear 9 is welded onto the pin 6. The bearing seat 7 is welded to the telescopic rod of the servo electric cylinder 3, and the ear 9 is welded to the connecting block 4.

[0022] One end of the connecting block 4 is provided with a second hinge, which includes a second pin 10 and a second bearing seat 11. The second bearing seat 11 is welded to the connecting block 4, and the second pin 10 is rotatably connected to the second bearing seat 11. A counterweight 12 is sleeved on the second pin 10.

[0023] Several connecting blocks 2 5 are welded onto connecting block 1 4. Each connecting block 2 5 is welded to the protective plate 2. Support 1 is located on one side of the iron outlet 19. The bottom end of support 1 is threaded with a roller 13 with a brake. Four grooved fixing blocks 14 are welded onto the protective plate 2. A horizontal pin 15 is welded into each fixing block 14. A second earring 16 is sleeved on each horizontal pin 15. A support leg 17 is welded onto every two second earrings 16. A handle 18 is welded onto the protective plate 2.

[0024] The implementation method of this embodiment is as follows:

[0025] When it is necessary to move the protective plate 2 directly above the iron-exchange port 19, the handle 18 is used to push the support 1 to one side of the iron-exchange port 19. Then, the servo electric cylinder 3 is driven. The servo electric cylinder 3 drives the telescopic rod of the servo electric cylinder 3 to extend outward, generating a horizontal thrust on the protective plate 2. This force can be decomposed into a downward force and an upward force. The upward force is offset by the clearance fit of the bearings of the second pin 10 and the second bearing seat 11. The downward force is formed by the weight of the protective plate 2 and the linkage of the first pin 6, the first bearing seat 7, the first ear ring 8 and the ear seat 9. The clearance fit of the bearings of the first pin 6 and the first bearing seat 7 enables the telescopic rod of the servo electric cylinder 3 to extend outward while the first pin 6 rotates forward, causing the protective plate 2 to flip downward until the protective plate 2 is directly above the iron-exchange port 17 and can completely cover the iron-exchange port 17. Then, the support leg 15 is flipped around the horizontal pin 13 until the support leg 15 is perpendicular to the protective plate 2.

[0026] When it is necessary to move the protective plate 2 directly above the next iron outlet 14, firstly, the support leg 15 is rotated around the horizontal pin 13 until the support leg 15 is parallel to the protective plate 2. Then, the servo electric cylinder 3 is driven, and the telescopic rod of the servo electric cylinder 3 is retracted inward, generating a horizontal pulling force on the protective plate 2. This force can be decomposed into a downward force and an upward force. The downward force is offset by the clearance fit between the bearings of the second pin 10 and the bearing seat 11. Part of the upward force overcomes the weight of the protective plate 2. The remaining force, through the linkage of the first pin 6, the bearing seat 7, the ear ring 8 and the ear seat 9 and the clearance fit between the first pin 6 and the bearing seat 7, drives the protective plate 2 to rotate upward. Thus, the telescopic rod of the servo electric cylinder 3 retracts inward while the first pin 6 rotates backward, driving the protective plate 2 to rotate upward until the protective plate 2 is perpendicular to the ground and located near the support 1. Then, the handle 16 is used to push the support 1 to the side of the next iron outlet 17.

[0027] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A safety device for iron tapping at a transfer station, characterized in that, The device includes a support (1) and a protective plate (2). A servo electric cylinder (3) is fixedly connected to the support (1). A first hinge is provided on the telescopic rod of the servo electric cylinder (3). A connecting block (4) is fixedly connected to the first hinge. A second hinge is provided at one end of the connecting block (4). Several connecting blocks (5) are fixedly connected to the connecting block (4). Each connecting block (5) is fixedly connected to the protective plate (2). The support (1) is located on one side of the iron outlet (19).

2. A safety device for iron tapping at a transfer station according to claim 1, characterized in that, The first hinge includes a pin (6) and a bearing seat (7). An ear ring (8) is fixedly connected to the telescopic rod of the servo electric cylinder (3). The pin (6) rotatably passes through the ear ring (8). The pin (6) is rotatably connected to the bearing seat (7). An ear seat (9) is fixedly connected to the pin (6). The bearing seat (7) is fixedly connected to the telescopic rod of the servo electric cylinder (3). The ear seat (9) is fixedly connected to the connecting block (4).

3. A safety device for iron tapping at a transfer station according to claim 1, characterized in that, The second hinge includes a second pin (10) and a second bearing seat (11). The second bearing seat (11) is fixedly connected to the first connecting block (4). The second pin (10) is rotatably connected to the second bearing seat (11). A counterweight (12) is sleeved on the second pin (10).

4. A safety device for iron tapping at a transfer station according to claim 1, characterized in that, The bottom end of the support (1) is provided with a braked roller (13).

5. A safety device for iron tapping at a transfer station according to claim 1, characterized in that, Four slotted fixing blocks (14) are fixedly connected to the protective plate (2). A horizontal pin (15) is fixedly connected to each fixing block (14). An earring (16) is sleeved on each horizontal pin (15). A support leg (17) is fixedly connected to every two earrings (16).

6. A safety device for iron tapping at a transfer station according to claim 1, characterized in that, A handle (18) is fixedly attached to the protective plate (2).

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