Safety prevention and control device for preventing single-side unhooking and mistaken hoisting during steel ladle hoisting of crown block

Abstract

The utility model relates to the technical field of crown block hoisting safety prevention and control devices, and discloses a single-side unhooking mistaken hoisting prevention and control device for crown block hoisting of a steel ladle, which comprises a furnace rear fluorine blowing platform, an auxiliary device arranged at the top of the furnace rear fluorine blowing platform, and a warning device arranged at the top of the furnace rear fluorine blowing platform. The warning device comprises a first sound-light alarm lamp, a first sensor, a first loudspeaker, a second sound-light alarm lamp, a second sensor and a second loudspeaker. According to the safety prevention and control device for preventing single-side unhooking and mistaken hoisting during steel ladle hoisting of the crown block, an auxiliary device is arranged, warning lamps are installed on the two sides of a slag channel, then after a hoisting worker on the hoisting ground confirms that a gantry hook is hung, the warning lamps are turned on, hoisting is commanded at the same time, and after a crown block worker sees the warning lamps and command signals, hoisting is conducted, so that the double-insurance effect is achieved; after the safety alarm device is installed, the steel ladle overturning accident caused by blind lifting due to the fact that a lifting worker does not confirm that the steel ladle is in place in the steel ladle lifting process is completely eradicated.

Description

Technical Field

[0001] The utility model relates to the technical field of overhead crane hoisting safety prevention and control devices, in particular to an overhead crane hoisting ladle safety prevention and control device to prevent unilateral unhooking and mis-hoisting. Background Art

[0002] Overhead cranes usually refer to cranes that operate at high altitudes, including single-beam cranes and double-beam cranes. They are widely used in factories, warehouses, material yards and other places to lift goods. They are prohibited from being used in flammable, explosive and corrosive media environments. There are two operating modes: ground and control room. The control room has two types: open and closed. It can be installed on the left or right according to actual conditions. There are two entry directions: side and end, to meet the needs of users.

[0003] In the steelmaking plant's converter smelting area, when lifting the ladle, the slag track worker is responsible for confirming the north side, and the overhead crane operator is responsible for confirming the south side. Due to the line of sight and the influence of the slag track working area, there is a situation where the north side is not confirmed in place or the north sides are confirmed at the same time, resulting in the overhead crane gantry hook not being hung in place, posing a great hidden danger to the operating safety of personnel. Utility Model Content

[0004] The utility model aims to provide a safety control device for preventing one-side unhooking and mis-lifting of a ladle when hoisting it by a crane, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety control device for preventing one-sided unhooking and mistaken lifting of a ladle by an overhead crane, comprising a rear-furnace fluorine blowing platform, an auxiliary device is arranged on the top of the rear-furnace fluorine blowing platform, and a warning device is arranged on the top of the rear-furnace fluorine blowing platform.

[0006] The warning device includes a first sound and light alarm light, a first sensor, a first horn, a second sound and light alarm light, a second sensor and a second horn. The first sound and light alarm light is fixedly connected to the top of the fluorine blowing platform behind the furnace near the right side, the first sensor is fixedly connected to the top of the fluorine blowing platform behind the furnace near the right side, the first horn is fixedly connected to the top of the fluorine blowing platform behind the furnace near the right side, the second sound and light alarm light is fixedly connected to the top of the fluorine blowing platform behind the furnace near the left side, the second sensor is fixedly connected to the top of the fluorine blowing platform behind the furnace near the left side, and the second horn is fixedly connected to the top of the fluorine blowing platform behind the furnace near the left side.

[0007] Preferably, the auxiliary device includes a steel-tapping crane, a driver's cab, an ear shaft, a ladle car, a ladle road track and a ladle. The steel-tapping crane is connected to the right side of the fluorine blowing platform behind the furnace, the driver's cab is connected to the right side of the steel-tapping crane, the ladle road track is connected to the top of the fluorine blowing platform behind the furnace, the ladle is connected to the front of the ladle car, and the ear shaft is connected to the side of the ladle. By providing the auxiliary device, the situation in which the steel ladle overturns due to blind lifting caused by the crane operator's failure to confirm that it is in place during the lifting process is eliminated.

[0008] Preferably, the number of the ear shafts is two, and the two ear shafts are symmetrically distributed on the left and right sides of the ladle.

[0009] Preferably, the ladle car is slidably connected to the front side of the ladle car track.

[0010] Preferably, the first sound and light alarm light is connected with an electric wire, the first sensor and the first sound and light alarm light are connected through the electric wire, the first sensor and the first sound and light alarm light are electrically connected, and have strong stability when in use.

[0011] Preferably, the second sound and light alarm light is electrically connected to a second sensor, and the second sensor is electrically connected to a second speaker.

[0012] Preferably, the first speaker is electrically connected to the first sensor, the first sensor is electrically connected to the first sound and light alarm light, and the first speaker and the second speaker have different contents recorded inside. By respectively providing the first speaker and the second speaker, and recording different contents inside them, it is used to more clearly remind the user that the gantry hook on one side has been hung, further avoiding the situation of not confirming in place or confirming the north side at the same time, and the phenomenon of the overhead crane gantry hook not being hung in place will not occur.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The overhead crane hoisting ladle prevention unilateral unhooking and mis-hoisting safety control device is equipped with auxiliary devices. When in use, warning lights are installed on both sides of the slag channel. Then the lifting operator on the lifting ground confirms that the gantry hook is hung, presses the warning light and commands the lifting at the same time. After the overhead crane operator sees the warning light and the command signal, he lifts the steel ladle, which plays a double insurance role. After installing the safety alarm device, the accident of overturning the steel ladle due to blind lifting caused by the operator's inadequate confirmation during the lifting of the steel ladle is prevented.

[0015] The safety control device for preventing one-sided unhooking and mis-lifting of a ladle by an overhead crane is provided with a warning device. The first sound and light alarm light and the second sound and light alarm light are respectively connected to the first speaker and the second speaker, and different contents are recorded inside the first speaker and the second speaker. The device is used to more clearly remind the user that the gantry hook on one side has been hung, further avoiding the situation of insufficient confirmation or simultaneous confirmation of the north side, and the phenomenon of the overhead crane gantry hook not being hung in place will not occur, thereby ensuring the operating safety of personnel and having a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional front view structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1. fluorine blowing platform behind the furnace; 2. Auxiliary device; 201. Steel-out crane; 202. Driver's cab; 203. Ear shaft; 204. Ladle car; 205. Ladle car track; 206. Ladle; 3. Warning device; 301. First sound and light alarm light; 302. First sensor; 303. First horn; 304. Second sound and light alarm light; 305. Second sensor; 306. Second horn. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-2 , the utility model provides the following technical solutions:

[0021] A safety control device for preventing a ladle from being unhooked and accidentally lifted on one side by an overhead crane comprises a rear fluorine blowing platform 1, an auxiliary device 2 is arranged on the top of the rear fluorine blowing platform 1, and a warning device 3 is arranged on the top of the rear fluorine blowing platform 1.

[0022] The warning device 3 includes a first sound and light alarm light 301, a first sensor 302, a first speaker 303, a second sound and light alarm light 304, a second sensor 305 and a second speaker 306. The first sound and light alarm light 301 is fixedly connected to the top of the fluorine blowing platform 1 behind the furnace near the right side, the first sensor 302 is fixedly connected to the top of the fluorine blowing platform 1 behind the furnace near the right side, the first speaker 303 is fixedly connected to the top of the fluorine blowing platform 1 behind the furnace near the right side, the second sound and light alarm light 304 is fixedly connected to the top of the fluorine blowing platform 1 behind the furnace near the left side, the second sensor 305 is fixedly connected to the top of the fluorine blowing platform 1 behind the furnace near the left side, the second speaker 306 is fixedly connected to the top of the fluorine blowing platform 1 behind the furnace near the left side, the first speaker 303 is electrically connected to the first sensor 302, and the first sensor 302 is electrically connected to the first sensor 302. Connected to the first sound and light alarm light 301, the first speaker 303 and the second speaker 306 have different contents recorded inside. By respectively providing the first speaker 303 and the second speaker 306, and recording different contents inside them, it is used to more clearly remind the user that the gantry hook on one side has been hung, further avoiding the situation of insufficient confirmation or simultaneous confirmation of the north side, and the phenomenon of the overhead crane gantry hook not being hung in place will not occur. The first sound and light alarm light 301 is connected to an electric wire, and the first sensor 302 and the first sound and light alarm light 301 are connected by an electric wire. The first sensor 302 and the first sound and light alarm light 301 are electrically connected, and have strong stability when in use. The second sound and light alarm light 304 is electrically connected to the second sensor 305, and the second sensor 305 is electrically connected to the second speaker 306.

[0023] The auxiliary device 2 includes a steel-making crane 201, a driver's cab 202, an ear shaft 203, a ladle car 204, a ladle road track 205 and a ladle 206. The steel-making crane 201 is connected to the right side of the fluorine blowing platform 1 behind the furnace, the driver's cab 202 is connected to the right side of the steel-making crane 201, the ladle road track 205 is connected to the top of the fluorine blowing platform 1 behind the furnace, the ladle 206 is connected to the front of the ladle car 204, and the ear shaft 203 is connected to the side of the ladle 206. By providing the auxiliary device 2, the situation in which the steel ladle overturns due to blind lifting caused by the inability of the lifting worker to confirm that it is in place during the lifting process of the steel ladle is eliminated. There are two ear shafts 203, and the two ear shafts 203 are symmetrically distributed on the left and right sides of the ladle 206. The ladle car 204 is slidably connected to the front of the ladle road track 205.

[0024] When in use, warning lights are installed on both sides of the slag channel, and then the lifting ground operator confirms that the gantry hook is hung, turns on the warning light and commands the lifting at the same time. After the crane operator sees the warning light and the command signal, the crane starts lifting, which plays a double insurance role. After installing the safety alarm device, the situation that the crane operator fails to confirm that the gantry hook is in place during the lifting of the steel ladle, thereby blindly lifting and causing the steel ladle to overturn, is eliminated. The first sound and light alarm light 301 and the second sound and light alarm light 304 are respectively connected to the first speaker 303 and the second speaker 306 for signals, and different contents are recorded in the first speaker 303 and the second speaker 306, which are used to more clearly remind the user that the gantry hook on one side has been hung, further avoiding the situation of insufficient confirmation or simultaneous confirmation of the north side, and the phenomenon of the crane gantry hook not being in place will not occur, which ensures the safety of personnel operations and has a good use effect.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety control device for preventing a ladle from being unhooked and accidentally lifted by a crane, comprising a post-furnace fluorine blowing platform (1), characterized in that: An auxiliary device (2) is provided on the top of the post-furnace fluorine blowing platform (1), and a warning device (3) is provided on the top of the post-furnace fluorine blowing platform (1); The warning device (3) comprises a first sound and light alarm light (301), a first sensor (302), a first horn (303), a second sound and light alarm light (304), a second sensor (305) and a second horn (306); the first sound and light alarm light (301) is fixedly connected to the top of the fluorine blowing platform (1) behind the furnace, close to the right side; the first sensor (302) is fixedly connected to the top of the fluorine blowing platform (1) behind the furnace, close to the right side; the first horn (303) is fixedly connected to the top of the fluorine blowing platform (1) behind the furnace, close to the right side; the second sound and light alarm light (304) is fixedly connected to the top of the fluorine blowing platform (1) behind the furnace, close to the left side; the second sensor (305) is fixedly connected to the top of the fluorine blowing platform (1) behind the furnace, close to the left side; and the second horn (306) is fixedly connected to the top of the fluorine blowing platform (1) behind the furnace, close to the left side.

2. According to claim 1, a safety control device for preventing one-side unhooking and mis-lifting of a ladle by an overhead crane is characterized in that: The auxiliary device (2) comprises a steel-tapping crane (201), a driver's cab (202), an ear shaft (203), a ladle car (204), a ladle track rail (205), and a ladle (206); the steel-tapping crane (201) is connected to the right side of a fluorine blowing platform (1) behind the furnace; the driver's cab (202) is connected to the right side of the steel-tapping crane (201); the ladle track rail (205) is connected to the top of the fluorine blowing platform (1) behind the furnace; the ladle (206) is connected to the front of the ladle car (204); and the ear shaft (203) is connected to the side of the ladle (206).

3. According to claim 2, a safety control device for preventing one-side unhooking and mis-lifting of a ladle by an overhead crane is characterized in that: The number of the ear shafts (203) is two, and the two ear shafts (203) are symmetrically distributed on the left and right sides of the ladle (206).

4. According to claim 2, a safety control device for preventing one-side unhooking and mis-lifting of a ladle by an overhead crane is characterized in that: The ladle car (204) is slidably connected to the front side of the ladle car track (205).

5. According to claim 1, a safety control device for preventing one-side unhooking and mis-lifting of a ladle by an overhead crane is characterized in that: The first sound and light alarm light (301) is connected to an electric wire, and the first sensor (302) and the first sound and light alarm light (301) are connected via the electric wire.

6. The safety control device for preventing one-side unhooking and mis-lifting of a ladle by an overhead crane according to claim 1 is characterized in that: The second sound and light warning light (304) is electrically connected to a second sensor (305), and the second sensor (305) is electrically connected to a second speaker (306).

7. The safety control device for preventing one-side unhooking and mis-lifting of a ladle by an overhead crane according to claim 1 is characterized in that: The first speaker (303) is electrically connected to the first sensor (302), the first sensor (302) is electrically connected to the first sound and light alarm light (301), and different contents are recorded inside the first speaker (303) and the second speaker (306).

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