CN218744813U

CN218744813U - Hoisting lifting type steel ladle covering and uncovering device and matched steel ladle cover thereof

Info

Publication number: CN218744813U
Application number: CN202223073465.9U
Authority: CN
Inventors: 吴洋子
Original assignee: Wisdri Engineering and Research Incorporation Ltd
Current assignee: Wisdri Engineering and Research Incorporation Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-28
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a hoist over-and-under type ladle adds takes off lid device and supporting ladle cover thereof. The hoisting lifting type steel ladle covering and uncovering device comprises a hoisting type driving mechanism, a structural platform, a guide mechanism and a hoisting frame, wherein the hoisting type driving mechanism is installed above the structural platform, the hoisting frame is located below the structural platform and connected with the guide mechanism, a guide slide rail is arranged on the guide mechanism, and a guide chain of the hoisting type driving mechanism is connected with the hoisting frame to drive the hoisting type driving mechanism to move on the guide slide rail relative to the guide mechanism. The utility model provides a hoist over-and-under type ladle adds takes off and covers the device, the reducible ladle adds the vibrations when covering and taking off the lid.

Description

Hoisting lifting type steel ladle capping and uncapping device and matched steel ladle cap thereof

Technical Field

The utility model relates to a metallurgical machinery ladle adds and takes off lid technical field, especially relates to a hoist over-and-under type ladle adds and takes off lid device and supporting ladle cover thereof.

Background

The heat of molten steel in a steel ladle is in two ways: firstly, refractory materials in the steel ladle absorb and store the heat of molten steel; secondly, the heat conduction and the heat radiation between the molten steel and the air are directly realized. After the converter smelting finishes tapping, the upper opening of the steel ladle is in an open state; in the process of steel ladle turnover, the waiting time at a non-treatment position accounts for half of the total turnover period, so that the heat preservation of the steel ladle and the molten steel is particularly important for ensuring the pouring quality and controlling the cost. The steel ladle capping technology can effectively block heat exchange and heat radiation loss between molten steel and air, thereby reducing the temperature drop of the molten steel.

At present, most of common steel ladle covering and uncovering technologies are of a latch type, and vibration is large due to the impact mode of steel ladle covering and uncovering.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a hoisting and lifting type steel ladle capping and uncapping device and a steel ladle cap thereof, which can reduce the vibration of the steel ladle during capping and uncapping.

In order to realize the aim, the utility model provides a hoisting lifting type steel ladle covering and uncovering device, which comprises a hoisting driving mechanism, a structural platform, a guide mechanism and a hoisting frame, wherein,

the hoisting type driving mechanism is arranged above the structural platform, the hoisting frame is located below the structural platform and connected with the guide mechanism, a guide slide rail is arranged on the guide mechanism, a guide chain of the hoisting type driving mechanism is connected with the hoisting frame to drive the hoisting frame to move on the guide slide rail relative to the guide mechanism, and a lifting hook used for hoisting the steel ladle cover is arranged on the hoisting frame.

Preferably, the winch type driving mechanism comprises a driver, two single chain guide pulley blocks and two double chain guide pulley blocks connected with two output shafts of the driver, one guide chain of each double chain guide pulley block bypasses the single chain guide pulley block and then is connected with the hoisting frame, and the other guide chain of each double chain guide pulley block bypasses the pulley block and then is connected with the hoisting frame below.

Preferably, the driver comprises a driving motor, a brake and a speed reducer which are connected in sequence, and two output shafts of the speed reducer are respectively and fixedly connected with transmission shafts of the two double-guide-chain pulley blocks.

Preferably, the transmission shaft of the double-guide-chain pulley block is connected with the output shaft of the speed reducer through a coupler.

Preferably, guiding mechanism is including being located the structure platform below and being located the guide bracket of hoist and mount frame side, and on the guide rail was fixed in the guide bracket side, the side-mounting of hoist and mount frame had the leading wheel, and the leading wheel holds on the guide rail and can move for it.

Preferably, lifting lugs and lifting hooks are respectively installed above and below the hoisting frame, the lifting lugs are connected with the end parts of the guide chains, and the lifting hooks are used for hoisting the ladle cover.

Preferably, one end of a guide chain of the double-guide-chain pulley block is connected with the fixed end of the double-guide chain, and the other end of the guide chain is connected with the lifting lug.

Preferably, at least two guide wheels are installed on the side surface of the hoisting frame.

Preferably, the bearing seats of the single chain guide pulley block and the double chain guide pulley block are arranged above the structural platform through bases.

The utility model discloses further provide a with above-mentioned hoist over-and-under type ladle with take off the supporting ladle cover that uses of lid device, seted up the spout on the otic placode of ladle cover, the inclination of spout is the same with hoist over-and-under type ladle with the direction slide rail inclination of taking off the lid device.

The utility model provides a hoist over-and-under type ladle adds takes off lid device adopts hoist formula actuating mechanism, and hoist formula actuating mechanism operates steadily to can realize steadily adding the lid to the ladle and taking off the lid operation, the vibrations that can significantly reduce to add the lid and take off the lid production when operating. Meanwhile, the matched guide device can realize stable guide of the hoisting frame, and further improve the stability of operation. Meanwhile, the hoisting lifting type steel ladle covering and uncovering device has the advantages of simple structure, easiness in realization and stable work.

Drawings

Fig. 1 is a schematic structural view of the hoisting steel ladle covering and uncovering device of the utility model;

fig. 2 is a schematic view of a hoisting driving mechanism in the hoisting lifting type ladle covering and uncovering device of the utility model;

fig. 3 is a schematic view of the overlooking structure of the hoisting driving mechanism in the hoisting steel ladle covering and uncovering device of the utility model.

In the figure, 1-a ladle transport vehicle, 2-a ladle, 3-a ladle lug, 4-a ladle cover, 5-a first lifting hook, 6-a hoisting frame, 7-a second lifting hook, 8-a first guide chain, 9-a second guide chain, 10-a guide wheel, 11-a guide sliding rail, 12-a structural platform, 13-a hoisting type driving mechanism, 14-a driving motor, 15-a brake, 16-a speed reducer, 17-a first double guide chain pulley block, 18-a second double guide chain pulley block, 19-a first single guide chain pulley block and 20-a second single guide chain pulley block.

The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides a hoist over-and-under type ladle adds takes off lid device.

Referring to fig. 1 to 3 (in fig. 1, a is a cover-opening position, i.e., a cover-opening waiting position, and B is a cover-opening position, i.e., a cover-opening waiting position), in the preferred embodiment, a hoisting lifting type ladle cover-opening device includes a hoisting driving mechanism 13, a structure platform 12, a guiding mechanism, and a hoisting frame 6, wherein,

hoist formula actuating mechanism 13 is installed in structural platform 12 top, and hoist and mount frame 6 is located structural platform 12's below and is connected with guiding mechanism, is provided with direction slide rail 11 on the guiding mechanism, and hoist and mount actuating mechanism 13's guide chain is connected with hoist and mount frame 6 and moves on driving its direction slide rail 11 for guiding mechanism, installs the lifting hook that is used for hoist and mount steel ladle cover on the hoist and mount frame 6.

The structural platform 12 is integrally fixedly installed by adopting a profile steel structure foundation. Referring to fig. 2 and 3, the present embodiment proposes a specific structure of the hoisting drive mechanism 13: the double-guide-chain-pulley-block type double-guide-chain hoisting device comprises a driver, two single guide-chain pulley blocks (a first single guide-chain pulley block 19 and a second single guide-chain pulley block 20 respectively) and two double guide-chain pulley blocks (a first double guide-chain pulley block 17 and a second double guide-chain pulley block 18 respectively) connected with two output shafts of the driver, wherein one guide chain of each double guide-chain pulley block is connected with a hoisting frame 6 after bypassing the single guide-chain pulley block, and the other guide chain of each double guide-chain pulley block is connected with the hoisting frame 6 below after bypassing the pulley block (the pulley block of the double guide chain pulley block). Each set of double-guide-chain pulley block is provided with two sets of bolts and pressing plates for fixing the guide chains.

Specifically, referring to fig. 3, the driver includes a driving motor 14, a brake 15, and a speed reducer 16, which are connected in sequence, and two output shafts of the speed reducer 16 are respectively fixedly connected with transmission shafts of two double-guide-chain pulley blocks. The transmission shaft of the double-guide-chain pulley block is connected with the output shaft of the speed reducer 16 through a coupler. The speed reducer 16 is mounted on the base and is fixedly connected with the structural platform 12 by bolts. The driving motor 14, the brake 15, and the bearing seat of the guide pulley set are also mounted on the structure platform 12 through the base, and the center of the driving motor and the center of the brake are adjusted to be at the same horizontal height with the center of the reducer 16 by a gasket.

Specifically, guiding mechanism is including being located the guide bracket of structure platform 12 below and being located hoist and mount frame 6 side, and guide slide 11 is fixed in on the guide bracket side, and the leading wheel 10 is installed to the side of hoist and mount frame 6, and leading wheel 10 holds on guide slide 11 and can move for it. The guide bracket may be fixedly attached to the structural platform 12 by fasteners.

In this embodiment, lifting lugs (four are specifically described as an example in this embodiment) and lifting hooks are respectively installed above and below the hoisting frame 6, the lifting lugs are connected with the end portions of the guide chains, and the lifting hooks are used for hoisting the ladle covers.

One end of a guide chain of the double guide chain pulley block is connected with the fixed end of the double guide chain, and the other end of the guide chain is connected with the lifting lug. At least two guide wheels 10 are arranged on the side surface of the hoisting frame 6, so that stable guiding of the hoisting frame 6 is realized.

In this embodiment, the bearing seats of the single-guide-chain pulley block and the double-guide-chain pulley block are both installed above the structural platform 12 through the base.

The steel ladle capping is realized by the following steps: the steel ladle cover is hung on a lifting hook of the hoisting frame 6, the steel ladle cover is positioned at the covering waiting position, and the lower surface of the steel ladle cover is higher than a steel ladle opening. When a ladle car transports a ladle without a ladle cover to a ladle covering position, the hoisting driving mechanism 13 drives the hoisting frame 6 provided with the guide wheel 10 to drive the ladle cover to descend along the guide slide rail 11 through the guide chain, and after the ladle cover completely falls on the ladle opening position, the hoisting driving mechanism 13 continues to drive the lifting hook to descend through the guide chain until the highest position of the lifting hook is lower than the pin shaft of the ladle cover lifting seat; and then the ladle car transports the ladle with the ladle cover to move towards the direction far away from the ladle covering position to the position where the lifting track of the lifting hook does not interfere with the pin shaft of the ladle cover hanging seat, and the hoisting driving mechanism 13 drives the hoisting frame 6 provided with the guide wheel 10 to move upwards along the guide slide rail 11 to a waiting position through the guide chain.

In the embodiment, the steel ladle uncovering is realized by the following steps: the hoisting frame 6 provided with the lifting hook is arranged at the uncovering position, and the lowest point of the lifting hook is higher than the highest point of the steel ladle cover; when a ladle of a steel ladle car for transporting a steel ladle cover with a steel ladle is moved to a position for uncovering the steel ladle, the hoisting type driving mechanism 13 drives the hoisting frame 6 provided with the guide wheel 10 to drive the lifting hook to descend along the slide rail through the guide chain until the lifting hook is positioned below the pin shaft of the steel ladle cover lifting seat; then the ladle car transports the ladle with the ladle cover to the direction close to the ladle covering position to reach the position where the lifting hook is hooked with the pin shaft of the ladle cover hanging seat, and ensures that the lifting hook cannot be separated from the pin shaft of the ladle cover hanging seat in the ascending operation track; then, the hoisting driving mechanism 13 drives the hoisting frame 6 provided with the guide wheel 10 to drive the lifting hook to ascend along the guide slide rail 11 through the guide chain, and the lifting hook can hook the pin shaft of the ladle cover hoisting seat, so that the ladle cover is hoisted to ascend, and the ladle cover is separated from the ladle opening; when the lug plate of the ladle cover is completely separated from the ladle lug 3, the ladle cover can be separated from the ladle and continuously rises to a covering waiting position.

The hoisting lifting type steel ladle capping and uncapping device provided by the embodiment adopts the hoisting driving mechanism 13, and the hoisting driving mechanism 13 operates stably, so that the steel ladle capping and uncapping operations can be stably realized, and the vibration generated during the capping and uncapping operations can be greatly reduced. Meanwhile, the matched guide device can realize stable guide of the hoisting frame 6, and further improve the stability of operation. Meanwhile, the hoisting steel ladle covering and uncovering device has the advantages of simple structure, easiness in realization and stable work.

The utility model discloses a ladle cover is further provided.

In the preferred embodiment, the steel ladle cover matched with the hoisting and lifting type steel ladle covering and uncovering device is characterized in that a sliding groove is formed in an ear plate of the steel ladle cover, and the inclination of the sliding groove is the same as that of a guide sliding rail 11 of the hoisting and lifting type steel ladle covering and uncovering device. That is to say, the angle α between the chute and the vertical direction is equal to the angle α between the guide rail 11 and the vertical direction, so that the rising and falling operation of the ladle cover cannot be blocked.

The ladle cover is formed by welding profile steels, the bottom of the ladle cover is sprayed with a high-temperature resistant material, and the top of the ladle cover is provided with a hanging seat for hanging; the hanging seats are 4 groups, and the height of 2 groups close to the ear plate is lower than that of the other 2 groups. The tail part of the ladle cover is welded with 2 groups of lug plates hinged with the ladle lugs 3. The ladle ear 3 is welded on the ladle, totally 2 groups, and the otic placode with the ladle lid constitutes hinge structure.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A hoisting lifting type steel ladle covering and uncovering device is characterized by comprising a hoisting driving mechanism, a structural platform, a guide mechanism and a hoisting frame, wherein,

2. The hoisting and lowering ladle covering and uncovering device as recited in claim 1, wherein said hoisting drive mechanism comprises a drive, two single-guide-chain pulley blocks and two double-guide-chain pulley blocks connected to two output shafts of the drive, one guide chain of the double-guide-chain pulley block is connected to the hoisting frame after bypassing the single-guide-chain pulley block, and the other guide chain of the double-guide-chain pulley block is connected to the hoisting frame below after bypassing the pulley block.

3. The hoisting lifting type ladle covering and uncovering device as recited in claim 2, wherein the driver comprises a driving motor, a brake and a speed reducer which are connected in sequence, and two output shafts of the speed reducer are respectively and fixedly connected with the transmission shafts of the two double-guide-chain pulley blocks.

4. The hoisting lifting type ladle covering and uncovering device as recited in claim 3, wherein a transmission shaft of the double-guide-chain pulley block is connected with an output shaft of the speed reducer through a coupler.

5. The hoisting and elevating type ladle covering and uncovering device as recited in claim 2, wherein the guide mechanism comprises a guide support located below the structure platform and located at a side of the hoisting frame, the guide slide rail is fixed on the side of the guide support, the side of the hoisting frame is provided with a guide wheel, and the guide wheel is accommodated on the guide slide rail and is movable relative thereto.

6. The hoisting and lifting type ladle covering and uncovering device as claimed in claim 5, wherein a lifting lug and a lifting hook are respectively arranged above and below the hoisting frame, the lifting lug is connected with the end part of the guide chain, and the lifting hook is used for hoisting the ladle cover.

7. The hoisting and elevating type ladle covering and uncovering device as recited in claim 6, wherein one end of the guide chain of the double guide chain pulley block is connected with the fixed end of the double guide chain, and the other end of the guide chain is connected with the lifting lug.

8. The hoisting and lifting type ladle covering and uncovering device as recited in claim 5, wherein at least two guide wheels are installed on the side surface of the hoisting frame.

9. The hoisting and lifting type ladle covering and uncovering device as claimed in any one of claims 5 to 8, wherein bearing blocks of the single chain guide pulley block and the double chain guide pulley block are mounted above the structural platform through a base.

10. A ladle cover used in combination with the hoisting and lifting type ladle covering and uncovering device as claimed in any one of claims 5 to 9, wherein the lug plate of the ladle cover is provided with a chute, and the inclination of the chute is the same as the inclination of a guide slide rail of the hoisting and lifting type ladle covering and uncovering device.