CN217192550U

CN217192550U - Full-automatic funnel type sand filling device

Info

Publication number: CN217192550U
Application number: CN202220229125.1U
Authority: CN
Inventors: 张彦龙; 孔祥兵; 任涛; 赵占山; 张忠福
Original assignee: Rizhao Steel Holding Group Co Ltd
Current assignee: Rizhao Steel Holding Group Co Ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-16
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a full-automatic funnel-shaped sand filling device, which belongs to the field of steel production and comprises a bracket, a winch, a sand adding barrel and a control unit; the winch is fixedly arranged on the bracket and is connected with the upper end of the sand adding barrel through a steel rope; a spherical plug is arranged in the sand adding barrel; the spherical plug is connected with the bracket through a chain; the control unit comprises a sand adding position travel switch, an upper travel switch, a lower travel switch, a time delay relay and an intermediate relay which are connected by a circuit. Compared with the prior art, the utility model discloses automatic completion adds sand work, has reduced the manual work.

Description

Full-automatic funnel type sand filling device

Technical Field

The utility model relates to a metallurgical production device, in particular to a full-automatic funnel-shaped sand filling device.

Background

The sand filling device is a sand adding guide pipe which can move up and down, the lower part of the guide pipe is aligned to a ladle nozzle when sand is filled, and drainage sand is added from the upper end of the guide pipe. The steel-making production requires no oxygen burning at the ladle nozzle, high self-opening rate of the sand filling device and standardized operation from the production rhythm and molten steel quality, but the traditional sand filling device has the following problems: due to the action of gravity, the drainage sand falls into a ladle water port and is stacked too densely, so that the ladle water port is easy to be prevented from opening; (2) because the manual operation habits are different, the accuracy of adding water into the water gap by different staff is different, and the production requirement is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is not enough to above prior art, provides a sand device is irritated to full-automatic funnel type, improves the ladle mouth of a river from the rate of opening, does not need the workman to add the sand operation under the high temperature condition, satisfies the automatic production requirement of modern steelmaking.

The technical proposal of the utility model for solving the technical problem is that: the utility model provides a sand device is irritated to full-automatic funnel type which characterized in that: comprises a bracket, a winch, a sand adding barrel and a control unit; the winch is fixedly arranged on the bracket and is connected with the upper end of the sand adding barrel through a steel rope; a spherical plug is arranged in the sand adding barrel; the spherical plug is connected with the bracket through a chain; the length of the chain is less than that of the steel rope, and the chain pulls the spherical plug and opens the bottom of the sand adding barrel in the descending process of the sand adding barrel; the control unit comprises a sand adding position travel switch, an upper travel switch, a lower travel switch, a time delay relay and an intermediate relay which are connected with a circuit, and the time delay relay, the upper travel switch and the lower travel switch are respectively connected with a motor contactor circuit of the winch; the sand adding position travel switch is positioned in the advancing direction of the ladle car below the bracket; the sand adding position travel switch transmits the in-place signal to the time delay relay; an upper travel switch and a lower travel switch are respectively arranged in the upper and lower travels of the sand adding barrel.

Furthermore, the sand adding barrel is funnel-shaped.

Furthermore, the upper travel switch and the lower travel switch are respectively positioned at the upper and lower travel end points of the sand adding barrel.

The device also comprises a fixed pulley frame which is fixedly arranged on the bracket.

Furthermore, the fixed pulley frame is provided with a steel rope steering pulley, and the steel rope is steered downwards through the steel rope steering pulley.

Further, the fixed pulley frame is provided with a chain diverting pulley, and the chain is diverted downwards through the chain diverting pulley.

Also comprises a hopper.

Furthermore, the hopper comprises a quantitative feeding unit, and the upper travel switch is in circuit connection with a discharge valve switch of the quantitative feeding unit.

Furthermore, the quantitative feeding unit is a double-bin with an electric partition board, the feeding bin is a storage bin, the discharging bin is a weighing bin, and a weighing sensor connected with the electric partition board in a circuit is arranged in the weighing bin.

Compared with the prior art, the utility model discloses following outstanding beneficial effect has:

1. by using the device, the self-opening rate is improved to more than 99.5 percent from 97 percent of the traditional sand adding device;

2. the device does not need manual operation, automatically finishes the sand adding work, and reduces the manual operation error; 3. simple structure saves the cost of labor.

Drawings

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

Detailed Description

The invention is further described with reference to the drawings and the detailed description. In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the claimed embodiments. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the following embodiments, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

It is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," "end," "side," and the like are used in an illustrative and non-restrictive sense, and are used in a generic and descriptive sense only and not for purposes of limitation, the referenced devices or elements must be in a particular orientation, configuration or operation, and not for purposes of limitation, as the orientation or positional relationship is illustrated in the figures.

As shown in fig. 1, the embodiment of the present invention includes a support 1, a hoist 2, a sand adding barrel 3 and a control unit 4.

The winch 2 is fixedly installed on the support 1 and connected with the upper end of the sand adding barrel 3 through a steel rope, and is used for achieving ascending and descending of the sand adding barrel 3.

The sand adding barrel 3 is funnel-shaped, a spherical plug 5 is arranged in the barrel, an outlet below the sand adding barrel 3 can be plugged under the action of gravity, and the spherical plug 5 is connected with the support 1 through a chain. The length of the chain is smaller than that of the steel rope, preferably the spherical plug 5 can reach 400mm above the water gap at the lowest position, namely the spherical plug 5 can block the bottom of the sand adding barrel 3 under the action of gravity and the chain before the sand adding barrel 3 descends to 400mm above the water gap.

The control unit 4 comprises a sand adding position travel switch, an upper travel switch, a lower travel switch, a time delay relay and an intermediate relay which are connected by a circuit, and the time delay relay, the upper travel switch and the lower travel switch are respectively connected with a switching contactor circuit of the motor of the winch 2.

The sand adding position travel switch is positioned in the advancing direction of the ladle car below the bracket 1, the ladle car touches the sand adding position travel switch when reaching the sand adding position, and the center of the sand adding barrel 3 and the water gap are positioned on the same vertical line. The sand position travel switch transmits the in-place signal to the delay relay 4, and the signal can be a wired electric signal or a wireless digital signal. In the optimized scheme, the sand adding position travel switch can be in data connection with a buggy ladle advancing control system, so that the buggy ladle is automatically stopped.

And after the control unit 4 receives a signal sent by the sand adding position travel switch that the buggy ladle reaches the sand adding position, the control unit controls the motor forward rotation contactor of the winch 2 to suck, starts the motor of the winch 2 to rotate forward, enables the sand adding barrel 3 to fall down and simultaneously triggers the delay relay. After the time delay is set by the arrival time relay, the intermediate relay is triggered to control the motor reversing contactor of the winch 2 to be closed, and the motor of the winch 2 reverses to enable the sand adding barrel 3 to ascend.

An upper travel switch and a lower travel switch are respectively arranged in the upper and lower travels of the sand adding barrel 3 to control the upper and lower travel end points of the sand adding barrel 3. The specific position thereof is not limited so that the function can be realized. The upper travel switch and the lower travel switch in the embodiment are respectively positioned at the upper and lower travel end points of the sand adding barrel 3.

For the convenience of operation, a fixed pulley frame 6 may be included, said fixed pulley frame 6 being fixedly mounted on the frame 1 and having a cable diverting pulley 7, said cable being diverted downwardly via the cable diverting pulley 7.

Further, the fixed pulley carrier 6 may be provided with a chain diverting pulley 8, and the chain may be diverted downward via the chain diverting pulley 8.

In the optimization scheme, the automatic and manual operation boxes are arranged on the sand adding platform, and the functions of manually and automatically controlling the sand adding barrel 3 to ascend, descend, stop and the like can be used respectively.

In the optimization scheme, the automatic sand feeding device further comprises a hopper with a quantitative feeding unit, the upper travel switch is in circuit connection with a discharge valve switch of the quantitative feeding unit, and when the sand adding barrel 3 rises to an upper travel end point, the discharge valve switch of the quantitative feeding unit is opened to perform automatic feeding.

The quantitative feeding unit can be a double-material bin with an electric partition plate, the feeding bin is a storage bin, the discharging bin is a weighing bin, a weighing sensor connected with the electric partition plate through a circuit is arranged in the weighing bin, when the quantity in the bin reaches a set weight, the electric partition plate is closed, and the storage bin stops feeding materials into the weighing bin. The quantitative feeding unit can also adopt other quantitative feeding modes.

When the ladle car sand feeding device is used specifically, the bottom of the sand feeding barrel 3 is blocked by the spherical plug 5 in an initial state, a certain weight of drainage sand is weighed by the weighing sensor and is added into the funnel-shaped sand feeding barrel 3, when the ladle car reaches a sand feeding position, the sand feeding position travel switch is touched, the ladle car is automatically or manually stopped, the motor of the winch 2 rotates forwards, the sand feeding barrel 3 falls, the sand feeding barrel 3 descends to a position 400mm away from the water gap, the spherical plug 5 is dragged by the chain, the bottom of the sand feeding barrel 3 is opened, and the sand feeding barrel 3 continues to descend until the sand feeding barrel 3 stops after the lower travel switch is touched. After the time delay is set by the arrival time relay, the intermediate relay is triggered, the motor of the winch 2 rotates reversely, the sand adding barrel 3 rises, the spherical plug 5 resets, and the sand adding barrel 3 continues to rise until the time reaches the upper travel switch and then stops.

It should be noted that the specific implementation of the circuit relationship in the present invention is well known to those skilled in the art, and therefore, is not described in detail in the present embodiment. Various obvious changes to it which will be apparent to those skilled in the art without departing from the spirit and scope of the invention are within the scope of the invention.

Claims

1. The utility model provides a sand device is irritated to full-automatic funnel type which characterized in that: comprises a bracket, a winch, a sand adding barrel and a control unit; the winch is fixedly arranged on the bracket and is connected with the upper end of the sand adding barrel through a steel rope; a spherical plug is arranged in the sand adding barrel; the spherical plug is connected with the bracket through a chain; the length of the chain is less than that of the steel rope, and the chain pulls the spherical plug and opens the bottom of the sand adding barrel in the descending process of the sand adding barrel; the control unit comprises a sand adding position travel switch, an upper travel switch, a lower travel switch, a time delay relay and an intermediate relay which are connected with a circuit, and the time delay relay, the upper travel switch and the lower travel switch are respectively connected with a motor contactor circuit of the winch; the sand adding position travel switch is positioned in the advancing direction of the ladle car below the bracket; the sand adding position travel switch transmits the in-place signal to the delay relay; an upper travel switch and a lower travel switch are respectively arranged in the upper and lower travels of the sand adding barrel.

2. The full-automatic funnel-type sand filling device according to claim 1, wherein: the sand adding barrel is funnel-shaped.

3. The full-automatic funnel-type sand filling device according to claim 1, wherein: the upper travel switch and the lower travel switch are respectively positioned at the upper and lower travel end points of the sand adding barrel.

4. The full-automatic funnel-type sand filling device according to claim 1, wherein: the device also comprises a fixed pulley frame which is fixedly arranged on the bracket.

5. The full-automatic funnel type sand filling device according to claim 4, wherein: the fixed pulley frame is provided with a steel rope steering pulley, and the steel rope is steered downwards through the steel rope steering pulley.

6. The full-automatic funnel type sand filling device according to claim 4, wherein: the fixed pulley frame is provided with a chain steering pulley, and the chain is steered downwards through the chain steering pulley.

7. The full-automatic funnel-type sand filling device according to claim 1, wherein: also comprises a hopper.

8. The full-automatic funnel-type sand filling device according to claim 7, wherein: the hopper comprises a quantitative feeding unit, and the upper travel switch is in circuit connection with a discharge valve switch of the quantitative feeding unit.

9. The full-automatic funnel-type sand filling device according to claim 8, wherein: the quantitative feeding unit is a double-material bin with an electric partition plate, the feeding bin is a storage bin, the discharging bin is a weighing bin, and a weighing sensor connected with the electric partition plate through a circuit is arranged in the weighing bin.