CN213591744U

CN213591744U - Quick change device for steel ladle plug rod

Info

Publication number: CN213591744U
Application number: CN202022504654.1U
Authority: CN
Inventors: 张朝柱; 潘俊考; 李秀殿
Original assignee: Baotou Shengyu Machinery Manufacturing Co ltd
Current assignee: Baotou Shengyu Machinery Manufacturing Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-02
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a quick change device for a steel ladle plug rod, which comprises a worker platform and a supporting underframe which are arranged on the ground, wherein the supporting underframe is provided with two triangular supports and two side vertical plates, the side vertical plates are positioned at one section far away from the worker platform, the top end of each triangular support is provided with a placing seat, and the two placing seats are used for supporting a supporting rotating shaft of a steel ladle; the side riser top is rotated and is provided with the upset backup pad, and upset backup pad below is provided with the hydraulic cylinder seat, is provided with the pneumatic cylinder on the hydraulic cylinder seat, and hydraulic cylinder seat side is provided with the pivot, and the pivot is rotated and is inserted and locate on the side riser, and the pneumatic cylinder is provided with the ejector pin, and the tip of ejector pin is rotated and is provided with the supporting seat, and the supporting seat is fixed to be set up in the upset backup pad. The utility model discloses only need an operating personnel just can easily accomplish three people's before work, saved the resource, reduced the change time to work efficiency has been improved, and the potential safety hazard has been reduced.

Description

Quick change device for steel ladle plug rod

Technical Field

The utility model relates to a ladle gag lever post quick change device.

Background

The ladle is used for receiving molten steel and pouring in front of an open hearth furnace, an electric furnace or a converter in a steel plant and a foundry. The structure form has a plug rod type and a sliding water port type, the portal frame is provided with a hook-off type and a bearing type, wherein a sliding rod gap eliminating mechanism is arranged in a lifting mechanism of the plug rod type ladle so as to ensure the consistency of the center of the plug rod and the center of the water port after repeated use.

The ladle stopper rod is a part which must be replaced after each ladle of molten steel is poured. Because the cock stem is provided with the cock head rotor and the sleeve brick, which are wearing parts, the nozzle brick in the just-covered ladle also needs to be replaced.

The original operation is to turn over the ladle by using a 32-ton metallurgical crane and replace the stopper rod by three persons in cooperation. The efficiency is low, and the whole production is influenced by the crane.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art, provide a ladle gag lever post quick change device, be exclusively used in ladle gag lever post work of trading, only need one operating personnel just can easily accomplish three people's before work, saved the resource, reduced the change time to work efficiency has been improved, and the potential safety hazard has been reduced.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: a steel ladle plug rod quick-change device comprises a worker table and a supporting underframe which are arranged on the ground, wherein two triangular brackets and two side vertical plates are arranged on the supporting underframe, the side vertical plates are positioned at one section far away from the worker table, the top ends of the triangular brackets are provided with placing seats, and the two placing seats are used for supporting a supporting rotating shaft of a steel ladle; the side vertical plate top is rotated and is provided with the upset backup pad, the upset backup pad below is provided with the hydraulic cylinder seat, be provided with the pneumatic cylinder on the hydraulic cylinder seat, the hydraulic cylinder seat side is provided with the pivot, the pivot is rotated and is inserted and locate on the side vertical plate, the pneumatic cylinder is provided with the ejector pin, the tip of ejector pin is rotated and is provided with the supporting seat, the supporting seat fixed set up in on the upset backup pad.

In the technical scheme, a rotatable end supporting plate is arranged on the ground between the workbench and the supporting underframe, and an electromagnet is arranged at the top of the end supporting plate; the side face of the bottom end of the overturning supporting plate is provided with a positioning plate, the electromagnet is electrified to generate electromagnetic force and attract the positioning plate, so that the end supporting plate rotates and moves towards the direction of the positioning plate, and the end part of the end supporting plate and the positioning plate are attached to each other and then support the end part of the overturning supporting plate.

In the technical scheme, the connecting column is arranged on the ground between the end supporting plate and the workbench, the top of the connecting column is provided with an elastic piece connected with the side wall of the end supporting plate, and the elastic piece drives the end supporting plate to rotate and keep away from the positioning plate.

In the technical scheme, the distance value of the positioning plate from the bottom end of the turnover supporting plate is not less than the thickness value of the end supporting plate.

In the above technical scheme, the elastic member is a spring or an elastic rope.

In the technical scheme, a protective guard is arranged on the worker table and is positioned at one end close to the supporting underframe; the top of the guard rail is provided with an energy absorption pad.

In the technical scheme, the side wall of the connecting column is provided with the retaining column, and the retaining column is used for providing a supporting function of abutting against when the end supporting plate overturns under the action of the elastic piece.

In the technical scheme, the hoisting machinery is arranged on the ground at the side edge of the supporting underframe, and the steel ladle is placed on the placing seat by the hoisting machinery.

In the above technical solution, a top plate is arranged at the top of the triangular support, the placing seat is fixedly arranged on the top surface of the top plate, and the area of the top plate is larger than the area of the bottom of the placing seat; the placing seat is provided with a semicircular lower groove for placing the supporting rotating shaft.

In the technical scheme, the side vertical plates and the worker table are positioned on the front side and the rear side of the triangular support, the ground at the bottom of the supporting underframe is provided with the lower pits, and the lower pits provide enough space for the overturning supporting plate to rotate.

The utility model provides a ladle gag lever post quick change device utilizes A-frame to support the ladle liftoff, and reuse upset backup pad lifts up the bottom of ladle to support with the tip backup pad, thereby make the workman can one easily change the ladle gag lever post. The utility model discloses be exclusively used in ladle and trade cock stem work, only need an operating personnel just can easily accomplish three people's before work, saved the resource, reduced the change time to work efficiency has been improved, and the potential safety hazard has been reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the steel ladle lifting device comprises a ground 1, a worker table 11, a protective guard 111, an energy absorption pad 112, a supporting underframe 12, a triangular support 13, a side vertical plate 14, a top plate 15, a placing seat 16, a connecting column 17, a blocking column 171, an elastic piece 18, a steel ladle 2, a supporting rotating shaft 21, a steel ladle bottom 22, a turnover supporting plate 3, a positioning plate 31, a supporting seat 32, an end supporting plate 4, an electromagnet 41, an ejector rod 5 and a rotating shaft 51.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments described in the present disclosure, all other embodiments obtained by a person skilled in the art without creative efforts are within the scope of the present disclosure.

As shown in fig. 1, a quick-change device for a ladle stopper rod comprises a worker platform 11 and a support base frame 12 which are arranged on a ground 1, wherein the support base frame 12 is provided with two triangular brackets 13 and two side vertical plates 14, the side vertical plates 14 are located at a section far away from the worker platform 11, the top ends of the triangular brackets 13 are provided with placing seats 16, and the two placing seats 16 are used for supporting a support rotating shaft 21 of a ladle 2; the top of the side vertical plate 14 is rotatably provided with a turnover support plate 3, a hydraulic cylinder seat is arranged below the turnover support plate 3, a hydraulic cylinder is arranged on the hydraulic cylinder seat, a rotating shaft 51 is arranged on the side edge of the hydraulic cylinder seat, the rotating shaft 51 is rotatably inserted on the side vertical plate 14, the hydraulic cylinder is provided with a push rod 5, the end of the push rod 5 is rotatably provided with a support seat 32, and the support seat 32 is fixedly arranged on the turnover support plate 3.

A rotatable end supporting plate 4 is arranged on the ground 1 between the worker table 11 and the supporting underframe 12, and an electromagnet 41 is arranged at the top of the end supporting plate 4; the side of the bottom end of the turnover support plate 3 is provided with a positioning plate 31, the electromagnet 41 generates electromagnetic force after being electrified and attracts the positioning plate 31 to enable the end support plate 4 to rotate and move towards the positioning plate 31, and the end of the end support plate 4 is attached to the positioning plate 31 to support the end of the turnover support plate 3.

A connecting column 17 is arranged on the ground 1 between the end supporting plate 4 and the worktable 11, an elastic part 18 connected with the side wall of the end supporting plate 4 is arranged at the top of the connecting column 17, and the elastic part 18 drives the end supporting plate 4 to rotate and keep away from the direction of the positioning plate 31.

The distance value between the positioning plate 31 and the bottom end of the turnover supporting plate 3 is not less than the thickness value of the end supporting plate 4.

The elastic member 18 is a spring or an elastic string.

A guard rail 111 is arranged on the worker table 11, and the guard rail 111 is positioned at one end close to the support chassis 12; an energy absorption pad 112 is arranged on the top of the guard rail 111.

The side wall of the connecting column 17 is provided with a stop pillar 171, and the stop pillar 171 is used for providing a support function against the end supporting plate 4 when the end supporting plate is turned over under the action of the elastic member 18.

And hoisting machinery is arranged on the ground at the side edge of the supporting underframe 12, and the ladle 2 is placed on the placing seat 16 by the hoisting machinery.

A top plate 15 is arranged at the top of the triangular support 13, the placing seat 16 is fixedly arranged on the top surface of the top plate 15, and the top area of the top plate 15 is larger than the bottom area of the placing seat 16; the placing seat 16 is provided with a semicircular lower groove for placing the supporting rotary shaft 21.

The side vertical plates 14 and the worker platform 11 are located on the front side and the rear side of the triangular support 13, and a lower concave pit is formed in the ground at the bottom of the supporting base frame 12 and provides enough space for the overturning supporting plate 3 to rotate.

When the device works, the ladle 2 is placed on the placing seat 16 by using a hoisting machine. Then, the hydraulic cylinder drives the ejector rod 5 to extend out, and drives the overturning supporting plate 3 to rotate. After the flip plate 3 abuts against the ladle 2, the ladle 2 is driven to rotate together, so that the ladle bottom 22 is exposed and faces the direction of the worker's table 11.

After the roll-over support plate 3 is rotated into position, the power of the electromagnet 41 is turned on to generate a magnetic force, causing the end support plate 4 to rotate and engage with the positioning plate 31. Thus, the end supporting plate 4 is enabled to be propped against the end part of the turnover supporting plate 3, so that the working pressure of the hydraulic cylinder can be reduced, and when accidents can be avoided, the ladle 2 and the turnover supporting plate 3 are turned downwards together to pound workers.

After the end support plate 4 is supported, the worker can replace the ladle stopper rod on the worker table 11. Meanwhile, the cock stem is provided with a cock head rotor and a sleeve brick which are easily damaged parts, and the inner nozzle brick just covered can be replaced. Finally, whether the ladle 2 is normal or not can be checked, and the operation can be continued.

After the replacement work is finished, the hydraulic cylinder is driven to work, and a small section of ejector rod 5 continues to extend out, so that a gap is formed between the end parts of the turnover support plate 3 and the end part support plate 4. The power supply to the electromagnet 41 is then turned off so that the end support plate 4 is moved away from the bottom of the flip support plate 3 by the elastic members 18. Then the hydraulic cylinder is driven to work, the mandril 5 is retracted, so that the ladle 2 is pressed on the overturning support plate 3 and slowly rotates. Finally, after the ladle 2 is turned back to the vertical position and the support plate 3 is turned over and detached, the hydraulic cylinder can be stopped.

When practical ladle 2 is needed, the hoisting machine is driven to hoist the ladle and transport the ladle to a working position.

The utility model discloses a fixed change device has set for fixed place for do single thing, thereby promoted the operating efficiency, reduced the potential safety hazard.

According to the actual working condition of replacing the ladle stopper rod, a 32-ton metallurgical crane is used originally, and the three persons are required to perform matching operation for 1 hour. Use this at present the utility model discloses a quick change device need not use 32 tons of crane, and 1 people just can accomplish the cock stem installation of a ladle in 20 minutes.

The utility model discloses utilize A-frame 13 to support ladle 2 liftoff, reuse upset backup pad 3 lifts up ladle bottom 22 to support with tip backup pad 4, thereby make the workman can one easily change ladle cock stem.

The utility model discloses be exclusively used in ladle and trade cock stem work, only need an operating personnel just can easily accomplish three people's before work, saved the resource, reduced the change time to work efficiency has been improved, and the potential safety hazard has been reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The quick change device for the ladle plug rod is characterized in that: the steel ladle support device comprises a worker platform (11) and a support base frame (12) which are arranged on the ground (1), wherein two triangular supports (13) and two side vertical plates (14) are arranged on the support base frame (12), the side vertical plates (14) are positioned at one section far away from the worker platform (11), the top ends of the triangular supports (13) are provided with placing seats (16), and the two placing seats (16) are used for supporting a support rotating shaft (21) of a steel ladle (2); the top of the side vertical plate (14) is rotatably provided with a turnover support plate (3), a hydraulic cylinder seat is arranged below the turnover support plate (3), a hydraulic cylinder is arranged on the hydraulic cylinder seat, a rotating shaft (51) is arranged on the side edge of the hydraulic cylinder seat, the rotating shaft (51) is rotatably inserted on the side vertical plate (14), the hydraulic cylinder is provided with an ejector rod (5), the end part of the ejector rod (5) is rotatably provided with a support seat (32), and the support seat (32) is fixedly arranged on the turnover support plate (3).

2. The quick-change device for the ladle stopper rod according to claim 1, characterized in that: a rotatable end supporting plate (4) is arranged on the ground (1) between the workbench (11) and the supporting underframe (12), and an electromagnet (41) is arranged at the top of the end supporting plate (4); upset backup pad (3) bottom side is provided with locating plate (31), electromagnet (41) circular telegram after produce the electromagnetic force with locating plate (31) inter attraction makes tip backup pad (4) take place to rotate towards locating plate (31) direction removes, tip backup pad (4) tip with behind locating plate (31) the laminating does the tip of upset backup pad (3) provides the support.

3. The quick-change device for the ladle stopper rod as claimed in claim 2, wherein: the utility model discloses a set up the instrument, including tip backup pad (4) and be provided with spliced pole (17) on ground (1) between workman's platform (11), spliced pole (17) top be provided with elastic component (18) that tip backup pad (4) lateral wall links to each other, elastic component (18) order about tip backup pad (4) rotate and keep away from locating plate (31) direction.

4. The quick-change device for the ladle stopper rod according to claim 3, wherein: the distance value between the positioning plate (31) and the bottom end of the turnover supporting plate (3) is not less than the thickness value of the end supporting plate (4).

5. The quick-change device for the ladle stopper rod according to claim 3, wherein: the elastic part (18) is a spring or an elastic rope.

6. The quick-change device for the ladle stopper rod according to claim 5, wherein: a protective guard (111) is arranged on the worker table (11), and the protective guard (111) is positioned at one end close to the supporting underframe (12); the top of the guard rail (111) is provided with an energy absorption pad (112).

7. The quick-change device for the ladle stopper rod according to claim 6, wherein: the side wall of the connecting column (17) is provided with a blocking column (171), and the blocking column (171) is used for providing a supporting function of abutting against when the end supporting plate (4) overturns under the action of the elastic piece (18).

8. The quick-change device for the ladle stopper rod according to claim 1, characterized in that: and hoisting machinery is arranged on the ground at the side edge of the supporting underframe (12), and the ladle (2) is placed on the placing seat (16) by the hoisting machinery.

9. The quick-change device for the ladle stopper rod according to claim 1, characterized in that: the top of the triangular support (13) is provided with a top plate (15), the placing seat (16) is fixedly arranged on the top surface of the top plate (15), and the top area of the top plate (15) is larger than the bottom area of the placing seat (16); the placing seat (16) is provided with a semicircular lower groove for placing the supporting rotating shaft (21).

10. The quick-change device for the ladle stopper rod according to claim 1, characterized in that: the side vertical plates (14) and the worker table (11) are located on the front side and the rear side of the triangular support (13), lower pits are formed in the ground at the bottom of the supporting base frame (12), and the lower pits provide enough space for the overturning supporting plate (3) to rotate.