CN217831838U - Ladle hot repair is with intelligent sand system that adds - Google Patents

Abstract

The utility model provides a ladle hot repair is with intelligence sand system that adds, include: the drainage sand fixing and storing device comprises a fixing platform and a sand storage assembly; the movable sand adding device comprises a movable trolley, a sand adding assembly, a sand adding lifting bucket and a lifting mechanism, wherein the movable trolley can move between a sand receiving position and a sand adding position; the sand adding component is arranged on the movable trolley and is used for adding sand to the sand adding lifting barrel; the lifting mechanism is arranged on the movable trolley and used for driving the sand adding lifting barrel to lift so that the sand adding lifting barrel can discharge the drainage sand to a water port at the bottom of the steel ladle; the control device is respectively electrically connected with the drainage sand fixing and storing device and the movable sand adding device, when receiving a sand adding control instruction, the control device enables the movable trolley to move to a sand adding position through a sand receiving position, the sand adding assembly sends drainage sand into the sand adding lifting barrel, and the lifting mechanism drives the sand adding lifting barrel to descend to a low position and discharge the drainage sand. The utility model discloses can add the drainage sand automatically, realize full automation operation, reduce personnel's work load.

Description

Ladle hot repair is with intelligent sand system that adds

Technical Field

The utility model relates to a ladle hot repair is with intelligence sand system that adds belongs to metallurgical industry technical field.

Background

The drainage sand is put in to protect the water gap, which is an indispensable link in the current steelmaking continuous casting production link. After the ladle finishes the pouring task, the sliding water gap mechanism at the bottom needs to be maintained: and (4) checking the nozzle mechanism, replacing the slide plate brick and replacing the nozzle mechanism, and then adding drainage sand to the maintained nozzle to perform nozzle anti-oxidation protection so as to prepare for continuous casting or pouring of the next ladle of molten steel. At present, the most of the stuffing sand is manually added, a stuffing sand adding device is arranged on a movable trolley or a platform with a certain height on the ground, when the stuffing sand needs to be added, manual operation enables the movable trolley to run to a working position, the platform for placing the sand adding device is positioned above a steel ladle, or a buggy ladle runs to be arranged below the sand adding device platform, the steel ladle is positioned below the sand adding device, then an operator runs to the sand adding platform, the sand adding device is manually operated, the lower part of a sand adding pipe is positioned at a water gap of the steel ladle, and then the stuffing sand is manually poured into the sand adding pipe, so that the drainage sand covers the water gap which is well maintained, and oxidation and slagging are prevented.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem that prior art exists, the utility model provides an aim at provides one kind can add the drainage sand automatically, when reducing personnel's work load, realizes ladle heat repairment of full automation operation and uses intelligence to add sand system.

The embodiment of the utility model provides a technical scheme who adopts is, a ladle hot repair adds sand system with intelligence, include:

the drainage sand fixing and storing device comprises a fixing platform and a sand storing assembly arranged on the fixing platform;

the movable sand adding device comprises a movable trolley, a sand adding assembly, a sand adding lifting barrel and a lifting mechanism, wherein the movable trolley is provided with a sand receiving position located below the sand storage assembly and a sand adding position located above the steel ladle, and can move between the sand receiving position and the sand adding position; the sand adding assembly is arranged on the movable trolley and is used for containing drainage sand discharged by the sand storage assembly and sending the drainage sand into the sand adding lifting barrel; the lifting mechanism is arranged on the movable trolley, is connected with the sand adding lifting barrel and is used for driving the sand adding lifting barrel to lift so that the sand adding lifting barrel can receive the drainage sand discharged by the sand adding assembly at a high position and can enter a position close to the bottom of the steel ladle in the steel ladle at a low position so as to discharge the drainage sand to a water port at the bottom of the steel ladle;

and the control device is respectively electrically connected with the drainage sand fixing and storing device and the movable sand adding device, and sends a control signal to the movable trolley when receiving a sand adding control instruction so that the movable trolley moves from the sand receiving position to the sand adding position, the sand adding assembly sends quantitative drainage sand into the sand adding lifting barrel, and the lifting mechanism drives the sand adding lifting barrel to descend to a low position so as to discharge the drainage sand in the sand adding lifting barrel to a water port of the ladle.

In some embodiments, the sand storage assembly comprises a holding hopper, a first weighing device, and a first electrically operated valve; the fixed hopper is arranged on the first weighing device, and the first weighing device is arranged on the fixed platform and is used for weighing the weight of the drainage sand in the fixed hopper; a discharge hole of the fixed hopper penetrates through the fixed platform and is connected with a first discharge pipe; the first electric valve is arranged on the first discharge pipe; the first weighing device and the first electric valve are respectively electrically connected with the control device.

In some embodiments, the sanding assembly comprises an on-board hopper, a second weighing device, and a second electrically operated valve; the vehicle-mounted hopper is arranged on the second weighing device, the second weighing device is arranged on an upper platform on the movable trolley, and the second weighing device is used for weighing the weight of the drainage sand in the vehicle-mounted hopper; a discharge hole of the vehicle-mounted hopper penetrates through the upper platform and is connected with a second discharge pipe, and the second discharge pipe is used for adding drainage sand into the sand adding lifting barrel; the second electric valve is arranged on the second discharge pipe; the second weighing device and the second electric valve are respectively electrically connected with the control device.

In some embodiments, the sand adding assembly further comprises a transition funnel, the transition funnel is located obliquely below the vehicle-mounted hopper, the lower outlet of the second discharge pipe faces the upper port of the transition funnel, and the lower outlet of the transition funnel faces the sand adding pail located at a high position.

In some embodiments, the lifting mechanism comprises a winding device, the winding device comprises a power mechanism, a fixed pulley block, a winding drum and a support, and the power mechanism and the fixed pulley block are arranged on the support; a first chain is wound on the winding drum, and the free end of the first chain bypasses the fixed pulley block and is connected with the sand adding lifting barrel; the power mechanism is connected with the winding drum and used for driving the winding drum to rotate so as to release or wind the first chain and enable the sand adding lifting barrel to descend or ascend.

In some embodiments, a sand outlet is formed in the bottom of the sand adding lifting bucket, a plug is arranged in the sand adding lifting bucket, the plug is connected with the support of the hoisting device through a second chain and forms a connection point, when the sand adding lifting bucket is driven by the hoisting device to rise to a position where the distance between the sand adding lifting bucket and the connection point is less than or equal to the length of the second chain, the second chain is in a loose state, the plug blocks the sand outlet under the action of gravity, and when the sand adding lifting bucket is driven by the hoisting device to fall to a position where the distance between the sand adding lifting bucket and the connection point is greater than the length of the second chain, the second chain is in a tensioned state and drives the plug to be separated from the sand outlet, so that the sand outlet is opened.

In some embodiments, the moving trolley comprises a trolley platform and a plurality of upright posts arranged below the trolley platform, wherein the bottommost part of each upright post is provided with a walking wheel set, and walking wheels of the walking wheel set are provided with a driving mechanism which is electrically connected with the control device.

In some embodiments, the control device is configured to send an opening signal to the first electric valve when receiving a first instruction of adding sand into the vehicle-mounted hopper, so that the drainage sand in the fixed hopper is added into the vehicle-mounted hopper;

the control device is also configured to send a closing signal to the first electric valve when receiving that the weight of the drainage sand in the fixing hopper is reduced to a first set value and/or the weight of the drainage sand in the vehicle-mounted hopper reaches a second set value.

In some embodiments, the device further comprises a feeding device for feeding drainage sand into the fixing hopper, and the feeding device is electrically connected with the control device;

the control device is further configured to send a starting signal to the feeding device when the weight of the drainage sand in the fixed hopper weighed by the first weighing device is smaller than a third set value, so that the feeding device feeds the drainage sand into the fixed hopper;

and the control device is also configured to send a closing signal to the feeding device when the weight of the drainage sand in the fixed hopper, weighed by the first weighing device, reaches a third set value, so that the feeding device stops feeding the drainage sand into the fixed hopper.

In some embodiments, the control device is configured to send an opening signal to the second electric valve when receiving a signal indicating that the mobile trolley is at the sand adding position, so that the drainage sand in the vehicle-mounted hopper is added to the transition hopper and sent to the sand adding lifting barrel through the transition hopper;

and the control device is further configured to send a closing signal to the second electric valve and a starting signal to the lifting mechanism when receiving second weight information sent by the second weighing device, so that the lifting mechanism drives the sand adding lifting barrel to descend to a position close to the ladle nozzle.

Compared with the prior art, the utility model discloses ladle hot repair is with intelligence sand system's beneficial effect lies in: 1. automatically adding and throwing drainage sand; 2. the sand barrel is lowered to the bottom of the steel ladle to be automatically switched on and off by utilizing a mechanical structure, so that the problem of ultrahigh temperature control which cannot be realized by an electrical element is solved; an operator does not need to go up to the operating console for operation, and the ground operation can be started by one key, so that safety interlocking control can be realized.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having alphabetic suffixes or different alphabetic suffixes may represent different instances of similar components. The drawings illustrate various embodiments generally by way of example and not by way of limitation, and together with the description and the claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is the utility model discloses ladle hot repair is with removal in intelligent sand system that adds sand device's structural schematic diagram.

Fig. 2 is a view taken along direction a of fig. 1.

FIG. 3 is an enlarged view of portion B of FIG. 2

Fig. 4 is a schematic structural view of the movable sand adding device according to the embodiment of the present invention in a sand receiving position (standby position).

Fig. 5 is a view in the direction C of fig. 4.

Fig. 6 is a top view of fig. 4.

Fig. 7 is a schematic structural view of the movable sand adding device according to the embodiment of the present invention at a sand adding position (working position).

Fig. 8 is a view from direction D of fig. 7.

Reference numerals are as follows:

11-a stationary platform; 12-a stationary hopper; 13-a first weighing device; 14-a first electrically operated valve; 15-a first discharge pipe;

21-moving the trolley; 22-a trolley platform; 23-a column; 24-running wheel set; 25-an upper platform; 26-a lower platform; 27-a reduction motor;

31-adding a sand pail; 32-plug; 33-a second chain; 34-installing short chains;

41-vehicle-mounted hopper; 42-a second discharge pipe; 43-a second weighing device; 44-a second electrically operated valve;

51-a transition funnel; 52-a third tapping pipe;

6-a hoisting device; 61-a power mechanism; 62-a fixed pulley group; 63-a reel; 64-a scaffold; 65-a reel support; 66-a first chain;

7-a control device;

8-steel ladle.

Detailed Description

In order to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, the accompanying drawings of the embodiment of the present invention are combined below to clearly and completely describe the technical scheme of the embodiment of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

The embodiment of the utility model provides a ladle is repaiied hotly with intelligent sand system for automatically, add the drainage sand to the mouth of a river in pouring ladle 8 (see fig. 7 and 8) bottom after accomplishing, in order to carry out mouth of a river oxidation protection.

As shown in fig. 1 to 8, the intelligent sand adding system comprises a drainage sand fixing and storing device, a movable sand adding device and a control device 7. Storage device is fixed to drainage sand includes fixed platform 11 and locates the storage sand subassembly on fixed platform 11, stores up the storage in the sand subassembly and has drainage sand to for remove to add the sand device and provide the drainage sand as required. The movable sand adding device comprises a movable trolley 21, a sand adding assembly, a sand adding lifting bucket 31 and a lifting mechanism. The movable trolley 21 is provided with a standby position and a working position; in the standby position, the movable trolley 21 is positioned below the sand storage assembly and can receive the drainage sand provided by the sand storage assembly, and therefore, the standby position can also be called a sand receiving position; in the working position, the movable trolley 21 is positioned above the ladle 8, and the sand adding assembly on the movable trolley 21 can feed drainage sand into the ladle 8, so that the working position can be called as a sand adding position. The movable trolley 21 can move between a standby position and a working position to realize sand receiving and adding. The sand feeding assembly is arranged on the moving trolley 21 and moves along with the moving trolley 21. When the movable trolley 21 is in the standby position, the sand adding assembly can contain drainage sand discharged by the sand storage assembly; when the movable trolley 21 is in the working position, the sand adding component can send the drainage sand in the movable trolley into the sand adding lifting bucket 31. The lifting mechanism is arranged on the movable trolley 21 and connected with the sand adding lifting bucket 31 and used for driving the sand adding lifting bucket 31 to lift so that the sand adding lifting bucket 31 has a high position and a low position. When sand adding pail 31 is in the high position, it can receive the drainage sand discharged by the sand adding assembly, and when sand adding pail 31 is in the low position, it is located in ladle 8 and near the position of ladle 8 bottom to can discharge the drainage sand to the water gap of ladle 8 bottom. The control device 7 is configured to be electrically connected with the drainage sand fixing and storing device and the movable sand adding device respectively, when the control device 7 receives the sand adding control instruction, the control device 7 sends a control signal to the movable trolley 21 so as to enable the movable trolley 24 to move to a working position from a standby position, when the movable trolley 21 is determined to reach the working position, the sand adding assembly sends quantitative drainage sand into the sand adding lifting barrel 31, the lifting mechanism drives the sand adding lifting barrel 31 to descend to a low position, and the drainage sand in the sand adding lifting barrel 31 is discharged to a water gap of a steel ladle 8.

The utility model discloses intelligence adds sand system need not operating personnel manual operation, and the automatic drainage sand that adds of work position when reducing personnel's work load realizes full automation and operates, and it provides the equipment support to repair the maintenance for the ladle intellectuality heat.

In some embodiments, as shown in fig. 4 and 5, the sand storage assembly comprises a fastening hopper 12, a first weighing device 13 and a first electric valve 14. The fixing hopper 12 is filled with the drainage sand, the fixing hopper 12 is arranged on the first weighing device 13, the first weighing device 13 is arranged on the fixing platform 11, and the first weighing device 13 is used for weighing the weight of the drainage sand in the fixing hopper 12. The discharge port of the fixed hopper 12 penetrates through the fixed platform 11 and is connected with the first discharge pipe 15, the first electric valve 14 is arranged on the first discharge pipe 15, and when the first electric valve 14 is opened, the drainage sand in the fixed hopper 12 can be discharged through the first discharge pipe 15. First weighing device 13 and first motorised valve 14 are connected with controlling means 7 electricity respectively, and controlling means 7 can acquire the weight information of the drainage sand in fixed hopper 12 through first weighing device 13, and simultaneously, controlling means 7 still is used for controlling the opening and close of first motorised valve 14 to whether control is emitted the drainage sand of fixed hopper 12 to the sand feeding subassembly, and control the volume of releasing of drainage sand. For example, the discharge amount of the drainage sand in the fixing hopper 12 may be realized by controlling the opening time of the first electrically operated valve 14, or may be realized by judging the weight information of the drainage sand in the fixing hopper 12.

In some embodiments, as shown in fig. 1 and 2, the sanding assembly includes an on-board hopper 41, a second weighing device 43, and a second electrically operated valve 44. The vehicle-mounted hopper 41 is arranged on the second weighing device 43, and the vehicle-mounted hopper 41 is used for containing the drainage sand discharged from the fixed hopper 12. Therefore, when the travelling carriage 21 is in the sand catching position, the vehicle-mounted hopper 41 faces the lower outlet of the first discharge pipe 15. The second weighing device 43 is arranged on the upper platform 25 on the movable trolley 21, and the second weighing device 43 is used for weighing the weight of the drainage sand in the vehicle-mounted hopper 41. The discharge hole of the vehicle-mounted hopper 41 penetrates through the upper platform 25 and is connected with the second discharge pipe 42, and drainage sand in the vehicle-mounted hopper 41 is added into the sand adding lifting barrel 31 through the second discharge pipe 42. The second electric valve 44 is provided in the second outlet pipe 42. The second weighing device 43 and the second electric valve 44 are electrically connected to the control device 7, respectively. The control device 7 can acquire the weight information of the drainage sand in the vehicle-mounted hopper 41 through the second weighing device 43, and meanwhile, the control device 7 is also used for controlling the opening and closing of the second electric valve 44 so as to enable the second discharge pipe 42 to be switched on or switched off, so that whether the drainage sand in the vehicle-mounted hopper 41 is added into the sand adding lifting barrel 31 or not is realized, and the adding amount of the drainage sand can be controlled. The adding amount of the drainage sand in the sand adding pail 31 can be realized by controlling the opening time of the second electric valve 44, and can also be realized by judging the obtained weight information of the drainage sand in the vehicle-mounted hopper 41.

In some embodiments, the sanding assembly further comprises a transition funnel 51, the transition funnel 51 is located obliquely below the vehicle-mounted hopper 41, the lower outlet of the second discharge pipe 42 faces the upper port of the transition funnel 51, and the lower outlet of the transition funnel 51 faces the sanding pail 31 which is located at a high position. The drainage sand in the vehicle-mounted hopper 41 firstly enters the transition hopper 51, and then is added into the sand adding lifting bucket 31 through the transition hopper 51, so that the phenomenon that when the vehicle-mounted hopper 41 breaks down or the second electric valve 44 fails to discharge materials can be avoided, the sand adding lifting bucket 31 can be manually fed through the transition hopper 51 (the material refers to the drainage sand).

Transition funnel 51 can adopt square funnel, adopts square funnel, can increase and connect the material area, promotes the usability. Of course, the transition funnel 51 may be a circular funnel.

The first electric valve 14 and the second electric valve 44 can both adopt electric butterfly valves, and have simple structure and convenient control.

As shown in fig. 1, when the sand adding pail 31 is in an elevated position, the sand adding pail 31 is located obliquely below the transition funnel 51. The lower part of the transition funnel 51 has an elongated third tapping pipe 52, and the third tapping pipe 52 is disposed obliquely so that the lower end of the third tapping pipe 52 can be extended to the upper port of the sand adding pail 31. In this way, the setting height of the transition funnel 51 can be reduced.

In some embodiments, the lifting mechanism may employ a winding device 6, as shown in fig. 1 and 2, the winding device 6 includes a power mechanism 61, a fixed pulley block 62, a winding drum 63 and a bracket 64. The power mechanism 61, the fixed pulley block 62 and the winding drum 63 are all arranged on the bracket 64. The drum 63 is wound with a first chain 66, and the free end of the first chain 66 is connected with the sand adding pail 31 by passing through the fixed pulley block 62. The power mechanism 61 is connected with the winding drum 63 and is used for driving the winding drum 63 to rotate so as to release or wind the first chain 66 and enable the sand adding lifting barrel 31 to descend or ascend. Through the hoisting mechanism, the sand adding lifting bucket 31 can be driven to lift so as to switch between a high position and a low position. As shown in fig. 1, 2, 4 and 5, the sand adding pail 31 is in an elevated position, and an upper end bung hole of the sand adding pail 31 is opposite to a lower end outlet of the transition funnel 51, so that the drainage sand in the transition funnel 51 can be added into the sand adding pail 31. As shown in fig. 7 and 8, the sand adding pail 31 is in a low position, the sand adding pail 31 is positioned in the ladle 8 and near the bottom of the ladle 8, and the drainage sand in the sand adding pail 31 can be directly discharged and fall to a nozzle at the bottom of the ladle 8.

The power mechanism 61 may be a speed reducing motor 27, as a power source, an output shaft of the speed reducing motor 27 is connected with a reel 63 shaft, the reel 63 may be fixed on a reel support 65 through two bearing seats, and the reel support 65 is arranged on a support 64. The drum 63 may be provided with a groove for winding the first chain 66. The crown block 62 is arranged at a position close to the sand adding pail 31 when the sand adding pail 31 is at a high position, one end of the first chain 66 is fixed with the winding drum 63, and after a certain number of turns of winding is wound through the winding drum 63, the other end bypasses the crown block 62 and is then connected with the sand adding pail 31, so that the sand adding pail 31 is connected with the winding device 6. When the speed reducing motor 27 works, the first chain 66 is wound and unwound through the winding drum 63, so that the sand adding lifting bucket 31 is lifted; the speed reducing motor 27 is provided with an encoder, and the number of revolutions is controlled by the encoder so as to control the lifting stroke of the sand adding pail 31.

As shown in fig. 3, the upper end of the sand adding pail 31 can be provided with three chain hanging points, each chain hanging point is connected with one end of one installation short chain 34, the other ends of the three installation short chains 34 are converged to the same chain ring, and the chain ring is fixed at the free end of the first chain 66 of the hoisting device 6, so that the sand adding pail 31 is connected with the first chain 66 stably, the balance of the sand adding pail 31 can be ensured, and the sand adding pail 31 cannot deflect.

The upper end of the sand adding lifting bucket 31 can be in an open shape, so that the transition funnel 51 can add sand into the sand adding lifting bucket 31 conveniently, the bottom of the sand adding lifting bucket 31 can be provided with a sand outlet, and drainage sand in the sand adding lifting bucket 31 is discharged to a water gap at the bottom of the ladle 8 through the sand outlet. Specifically, as shown in fig. 2 and 3, a plug 32 is arranged in the ladle 31, and the plug 32 is connected with a bracket 64 of the hoisting device 6 through a second chain 33 to form a connection point. That is, the upper end of the second chain 33 is fixed to the bracket 64, and the lower end of the second chain 33 is fixed to the plug 32. When the sand adding lifting bucket 31 is driven by the winding device 6 to rise to a position where the distance between the sand adding lifting bucket and the connection point is smaller than or equal to the length of the second chain 33, the second chain 33 is in a loose state, the plug 32 plugs the sand outlet under the action of gravity, referring to fig. 1 to 3, the loose chain is piled at the bottom of the sand adding lifting bucket 31, the plug 32 plugs the sand outlet, and the drained sand cannot flow out. When the sand adding lifting bucket 31 is driven by the winding device 6 to descend to a position where the distance between the sand adding lifting bucket and the connection point is larger than the length of the second chain 33, the second chain 33 is in a tensioning state and drives the plug 32 to be separated from the sand outlet, referring to fig. 7 and 8, the sand outlet is opened, and drainage sand in the sand adding lifting bucket 31 flows out and falls to a water port at the bottom of the ladle 8. Utilize mechanical structure, will add sand pail 31 and transfer to 8 bottoms of ladle and open the sand outlet automatically, solved the ultra-temperature control difficult problem that utilizes electric elements can't realize.

The length of the second chain 33 is determined according to the distance between the bracket 64 and the water gap at the bottom of the ladle 8, and the second chain 33 is neither too long nor too short, and if the second chain 33 is too long, the problem that the sand adding lifting barrel 31 reaches the bottom of the ladle 8 and the sand outlet cannot be opened is caused, so that sand adding is influenced; if the second chain 33 is too short, the sand adding lifting barrel 31 does not reach the bottom of the ladle 8, and the sand outlet is opened in advance, so that the falling sand cannot accurately fall to the water outlet. In order to ensure that the drainage sand flowing out of the sand adding lifting bucket 31 accurately falls to a water gap, the position of the sand adding lifting bucket 31 can not be too high or too low when the sand outlet is opened, for example, when the sand adding lifting bucket 31 is about 300-400mm away from the bottom of a steel ladle 8, the second chain 33 is just straightened and reaches the limit, the plug 32 does not move downwards any more, the sand adding lifting bucket 31 can also move downwards under the action of the hoisting device 6, and the sand outlet at the bottom of the sand adding lifting bucket 31 is opened at the moment.

In some embodiments, as shown in fig. 1, fig. 2, fig. 4, fig. 5, fig. 7 and fig. 8, the mobile cart 21 includes a cart platform 22 and a plurality of vertical pillars 23 disposed below the cart platform 22, the bottom of the vertical pillars 23 is mounted with a running wheel set 24, and the running wheels of the running wheel set are provided with a driving mechanism to realize the movement of the mobile cart 21, and the driving mechanism may be a speed reduction motor 27. The driving mechanism is electrically connected with the control device 7, and the control device 7 controls the driving mechanism to start according to the received sand adding instruction, so that the movable trolley 21 is switched between the standby position and the sand adding position.

It will be understood that the standby position of the trolley 21 is remote from the sanding work position of the ladle 8, with a certain distance from the standby position to the work position, during which movement is effected by means of a travel drive provided on the upright 23. In addition, the trolley platform 22 has a certain height, so that the movable trolley 21 can freely pass without being scratched to the steel ladle 8 in the upright state of the steel ladle 8. The mobile trolley 21 is located above the ladle 8 when in the working position, which means that the trolley platform 22 is located above the ladle 8.

As shown in fig. 2, the upper platform 25 and the middle platform are arranged on the upper table surface of the trolley platform 22, the upper platform 25 is located obliquely above the middle platform, the second weighing device 43 and the vehicle-mounted hopper 41 are both arranged on the upper platform 25, the middle platform is used for supporting the transition hopper 51, the third discharge pipe 52 of the transition hopper 51 passes through the middle platform and corresponds to the sand adding lifting bucket 31, so that the vehicle-mounted hopper 41 and the transition hopper 51 are arranged in a staggered manner, the overall height is prevented from being too high, and the moving and passing limitation of the moving trolley 21 is caused. Specifically, the transition funnel 51 is located obliquely below the in-vehicle hopper 41, and the second discharge pipe 42 of the in-vehicle hopper 41 is disposed obliquely such that the lower end of the second discharge pipe 42 extends to the upper port of the transition funnel 51. Thus, the drainage sand in the vehicle-mounted hopper 41 can fall into the transition hopper 51 by gravity, and the overall height of the movable trolley 21 is prevented from being too high. The trolley platform 22 is provided with a passage allowing the sand adding pail 31 to pass through, and when the sand adding pail 31 is in a high position, at least the top of the sand adding pail 31 extends out of the trolley platform 22 through the passage to correspond to the lower discharge end of the third discharge pipe 52.

As shown in fig. 5, when the movable trolley 21 is in the standby position, the fixed hopper 12 is located obliquely above the movable trolley 21, and does not obstruct the traveling of the movable trolley 21. The first discharge pipe 15 of the fixed hopper 12 is disposed at an inclination such that the lower end of the first discharge pipe 15 extends to the upper port of the vehicle hopper 41. That is, when the traveling carriage 21 is at the standby position, the fixing hopper 12 and the vehicle-mounted hopper 41 are arranged in a staggered manner in the vertical direction, so that it is not necessary to set the fixing hopper 12 at an excessively high position, which makes the operation difficult.

In some embodiments, the control device 7 is configured to, when receiving a first instruction to add sand into the on-board hopper 41, control the moving trolley 21 to be in the sand receiving position according to the first instruction, and send an opening signal to the first electrically operated valve 14, so that the drainage sand in the fixed hopper 12 is added into the on-board hopper 41. That is, when the weighing value of the second weighing device 43 is lower than the set value and the amount of the drainage sand in the vehicle-mounted hopper 41 is not enough to satisfy the amount added into the sand adding pail 31, the moving trolley 21 receives the first instruction, if the moving trolley 21 is not at the standby position, the moving trolley 21 firstly moves to the standby position, when it is determined that the moving trolley 21 is at the standby position, the control device 7 controls the first electric valve 14 to automatically open, the drainage sand is added into the vehicle-mounted hopper 41 on the moving trolley 21 from the fixing hopper 12, the addition amount can be set in advance through a program, and after the sand adding into the vehicle-mounted hopper 41 is completed, the control device 7 controls the first electric valve 14 to automatically close, so that the material supplementing operation is automatically performed when the moving trolley 21 is at the standby position.

In some embodiments, control device 7 is also configured to send a closing signal to first electric valve 14 when receiving a reduction in the weight of the drainage sand inside fixing hopper 12 to a first set value and/or when the weight of the drainage sand inside on-board hopper 41 reaches a second set value. That is, whether or not the sand addition into the vehicle-mounted hopper 41 is completed is determined by the weight of the drainage sand weighed by the first weighing device 13 and/or the second weighing device 43. Of course, the completion of the sand addition may be determined by setting the sand addition time and passing a predetermined sand addition time.

In some embodiments, the intelligent sand adding system for ladle hot repair further comprises a feeding device (not shown in the figure) for adding drainage sand to the fixing hopper 12, and the feeding device is electrically connected with the control device 7. The control device 7 is also configured to send a starting signal to the charging device when the weight of the drainage sand in the fixed hopper 12 weighed by the first weighing device 13 is less than a third set value, so that the charging device charges the drainage sand into the fixed hopper 12. The control device 7 is also configured to send a closing signal to the feeding device when the weight of the drainage sand in the fixing hopper 12, which is weighed by the first weighing device 13, reaches a third set value, so that the feeding device stops feeding the drainage sand into the fixing hopper 12. . That is, the first weighing device 13 can detect the amount of the remaining amount of the sand in the fixing hopper 12, and if the remaining amount of the sand in the fixing hopper 12 is smaller than the third set value, the amount of the sand in the fixing hopper is determined to be insufficient, and a signal is given to the control device 7 to prompt the feeding operation.

In some embodiments, the control device 7 is configured to send an open signal to the second electrically operated valve 44 when receiving a signal indicating that the trolley 21 is at the sanding position, so that the drainage sand in the vehicle-mounted hopper 41 is added to the transition funnel 51 and sent from the transition funnel 51 to the sanding basket 31. The opening time of the second electric valve 44 may be set in advance, and the outflow amount of the sand from the vehicle-mounted hopper 41 may satisfy the amount required for covering the nozzle. The drainage sand discharging amount can be weighed by the second weighing device 43, and when the discharging amount reaches a set amount, the second electric valve 44 is closed, wherein the set amount is the required adding amount of each water gap.

The control device 7 is further configured to send a closing signal to the second electric valve 44 and a starting signal to the lifting mechanism when the transition funnel 51 determines that the sand adding to the sand pail 31 is completed after receiving second weight information sent by the second weighing device 43, wherein the second weight information is generated by the second weighing device 43 weighing the drainage sand in the vehicle-mounted hopper 41 and reducing the weight of the drainage sand to a fourth set value, and the second weight information is sent to the lifting mechanism to drive the sand pail 31 to descend to a position close to a water gap of the ladle 8.

Before the lifting mechanism is started, the sand adding lifting bucket 31 is in a high position, when drainage sand is placed into the sand adding lifting bucket 31 from a vehicle-mounted hopper 41 through a transition funnel 51, a plug 32 plugs a sand outlet, when the lifting mechanism drives the sand adding lifting bucket 31 and the plug 32 to be placed to a position which is about 300-400mm away from the bottom of a steel ladle 8, the length of a second chain 33 connected with the plug 32 reaches a limit, the plug 32 does not move downwards, the sand adding lifting bucket 31 can also move downwards under the driving of the lifting mechanism, at the moment, the plug 32 is separated from the sand outlet, the drainage sand falls to a water port at the bottom of the steel ladle 8 from the inside of the sand adding lifting bucket 31, drainage sand adding operation is carried out, after all the drainage sand is discharged, the sand adding lifting bucket 31 is lifted to a certain height by the lifting mechanism, the plug 32 plugs the sand outlet at the bottom of the sand adding lifting bucket 31, and the lifting mechanism lifts the sand adding lifting bucket 31 to a high position (a discharge pipe with the upper port of the sand adding lifting bucket 31 opposite to the lower end outlet of a funnel 51), and a sand adding working process is completed.

The first weighing device 13 and the second weighing device 43 may be respectively provided with weighing sensors by which the weight of the drainage sand is weighed.

The utility model discloses ladle hot repair is with intelligence sand feeding system can supply power through smooth cable dolly or reel.

The control device 7 of the automatic sand adding system is arranged on the workshop ground or a fixed platform 11 and does not move along with the movable trolley 21, the control device comprises a fixed hopper 12 of the workshop fixed platform 11, material supplementing alarm and automatic discharging control, flowing sand adding and discharging control in a vehicle-mounted hopper 41 on the movable trolley 21, traveling control of the movable trolley 21, flowing sand feeding control in a sand adding lifting bucket 31, lifting control of a hoisting device 6 and the like, interlocking is arranged between the traveling of the movable trolley 21 and the flowing sand adding control in the vehicle-mounted hopper 41 and between the flowing sand adding in the sand adding lifting bucket 31, the movable trolley 21 cannot move in a flowing sand adding process, and the flowing sand cannot be added in a flowing process; the running of the movable trolley 21 and the driving of the hoisting device 6 are interlocked, the movable trolley 21 cannot run when the hoisting device 6 is lifted, and the hoisting device 6 cannot be started when the movable trolley 21 runs.

The following explains the working process of the automatic sand adding system provided by the embodiment of the utility model:

standby:

the starting position of the mobile carriage 21 is a standby position, see fig. 4 and 5, in which the mobile carriage 21 is positioned such that the vehicle-mounted hopper 41 is just below the outlet of the first discharge pipe 15 of the fixed hopper 12 of the fixed platform 11. If the system feeds back that the inflow sand quantity in the vehicle-mounted hopper 41 is not less than a set value, the first electric valve 14 at the lower part of the fixed hopper 12 is automatically opened, the drainage sand in the fixed hopper 12 automatically flows into the vehicle-mounted hopper 41, the inflow sand is controlled according to the set weight, after the addition of the drainage sand is finished, the first electric valve 14 below the fixed hopper 12 is closed, the interlocking is controlled in the feeding process, and after the feeding is finished, the signal linkage is released by the movable trolley 21 to wait for a sand adding operation command;

adding sand:

when a sand adding instruction is received, the movable trolley 21 moves to a working position and stops, referring to fig. 7 and 8, at the moment, the position of the movable trolley 21 is stopped just to enable the sand adding lifting bucket 31 to be over against the position of a water gap of a ladle 8, a second electric valve 44 below a vehicle-mounted hopper 41 is opened, drainage sand flows into the sand adding lifting bucket 31 from the vehicle-mounted hopper 41 through a transition funnel 51, discharging is stopped after the drainage sand flows out to a set amount, the second electric valve 44 is closed, and the quantity of the drainage sand in the sand adding lifting bucket 31 just meets the requirement of full coverage of the water gap; then the hoisting device 6 on the trolley platform 22 receives a starting signal, the hoisting device 6 lowers the sand adding lifting bucket 31, when the hoisting device 6 is started to a set time, the sand adding lifting bucket 31 is just lowered to a certain height from the bottom of the steel ladle 8, the plug 32 is lifted to open the water outlet, the sand adding lifting bucket 31 continues to be lowered for a fixed time, the time meets the time required by the flowing sand in the sand adding lifting bucket 31 to completely flow out, the flowing sand covers a water gap mechanism at the bottom of the steel ladle 8, the hoisting device 6 stops working and delays for a period of time, the hoisting device 6 is started to reverse again to lift the sand adding lifting bucket 31, the plug 32 plugs a sand outlet at the lower part of the sand adding lifting bucket 31 in the lifting process, after the sand adding lifting bucket 31 is lifted to a high position (initial position), the hoisting device 6 stops working, the signal is transmitted to the control device 7, the traveling device of the trolley 21 receives an instruction, the trolley 21 starts to travel reversely, and returns to a standby position, and a working cycle is completed.

The utility model discloses ladle hot repair is with intelligence sand system that adds has following advantage:

1. the problem that the drainage sand automatically feeds materials for the sand adding lifting bucket 31 from the fixing hopper 12 and the vehicle-mounted hopper 41 is solved;

2. by means of mechanical structure design, the drainage sand in the sand pail 31 added on the movable trolley 21 can be automatically thrown in, the operation process adapts to the high-temperature condition in the red-hot steel ladle, and the problem of ultrahigh-temperature control which cannot be realized by electrical elements is solved;

3. through the interlocking of control signals of each mechanism, the safety interlocking control is realized: the sand adding operation and the running can not be carried out simultaneously; the material supplementing operation and the running and sand adding can not be carried out simultaneously.

The above description is intended to be illustrative, and not restrictive, and variations, modifications, substitutions, and alterations may be made to the above-described embodiments by those of ordinary skill in the art within the scope of the present disclosure. Also, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations.

Claims (10)

1. The utility model provides a ladle hot repair is with intelligence sand system that adds which characterized in that includes:

the drainage sand fixing and storing device comprises a fixing platform and a sand storage assembly arranged on the fixing platform;

the movable sand adding device comprises a movable trolley, a sand adding assembly, a sand adding lifting barrel and a lifting mechanism, wherein the movable trolley is provided with a sand receiving position located below the sand storage assembly and a sand adding position located above the steel ladle, and can move between the sand receiving position and the sand adding position; the sand adding component is arranged on the movable trolley and is used for containing the drainage sand discharged by the sand storage component and sending the drainage sand into the sand adding lifting barrel; the lifting mechanism is arranged on the movable trolley, is connected with the sand adding lifting barrel and is used for driving the sand adding lifting barrel to lift so that the sand adding lifting barrel can receive the drainage sand discharged by the sand adding assembly at a high position and can enter a position close to the bottom of the steel ladle in the steel ladle at a low position so as to discharge the drainage sand to a water port at the bottom of the steel ladle;

and the control device is respectively electrically connected with the drainage sand fixing and storing device and the movable sand adding device, and sends a control signal to the movable trolley when receiving a sand adding control instruction so that the movable trolley moves from the sand receiving position to the sand adding position, the sand adding assembly sends quantitative drainage sand into the sand adding lifting barrel, and the lifting mechanism drives the sand adding lifting barrel to descend to a low position so as to discharge the drainage sand in the sand adding lifting barrel to a water port of the ladle.

2. The ladle hot repair intelligent sand adding system according to claim 1, wherein the sand storage assembly comprises a fixed hopper, a first weighing device and a first electric valve; the fixed hopper is arranged on the first weighing device, and the first weighing device is arranged on the fixed platform and is used for weighing the weight of the drainage sand in the fixed hopper; a discharge hole of the fixed hopper penetrates through the fixed platform and is connected with a first discharge pipe; the first electric valve is arranged on the first discharge pipe; the first weighing device and the first electric valve are respectively electrically connected with the control device.

3. The intelligent sand adding system for ladle hot repair according to claim 2, wherein the sand adding assembly comprises an on-board hopper, a second weighing device and a second electric valve; the vehicle-mounted hopper is arranged on the second weighing device, the second weighing device is arranged on an upper platform on the movable trolley, and the second weighing device is used for weighing the weight of the drainage sand in the vehicle-mounted hopper; a discharge port of the vehicle-mounted hopper penetrates through the upper platform and is connected with a second discharge pipe, and the second discharge pipe is used for adding stuffing sand into the sand adding lifting barrel; the second electric valve is arranged on the second discharge pipe; the second weighing device and the second electric valve are respectively electrically connected with the control device.

4. The ladle hot repair intelligent sand adding system according to claim 3, wherein the sand adding assembly further comprises a transition funnel, the transition funnel is positioned obliquely below the vehicle-mounted hopper, a lower end outlet of the second discharge pipe faces an upper end opening of the transition funnel, and a lower end outlet of the transition funnel faces the sand adding lifting barrel which is positioned at a high position.

5. The ladle hot repair intelligent sand adding system according to claim 1, wherein the lifting mechanism comprises a hoisting device, the hoisting device comprises a power mechanism, a fixed pulley block, a winding drum and a support, and the power mechanism and the fixed pulley block are arranged on the support; a first chain is wound on the winding drum, and the free end of the first chain bypasses the fixed pulley block to be connected with the sand adding lifting barrel; the power mechanism is connected with the winding drum and used for driving the winding drum to rotate so as to release or wind the first chain and enable the sand adding lifting barrel to descend or ascend.

6. The intelligent sand adding system for the ladle hot repair as claimed in claim 5, wherein a sand outlet is formed in the bottom of the sand adding lifting bucket, a plug is arranged in the sand adding lifting bucket, the plug is connected with the support of the hoisting device through a second chain and forms a connection point, when the sand adding lifting bucket is driven by the hoisting device to rise to a position where the distance between the sand adding lifting bucket and the connection point is smaller than or equal to the length of the second chain, the second chain is in a loose state, the plug blocks the sand outlet under the action of gravity, and when the sand adding lifting bucket is driven by the hoisting device to fall to a position where the distance between the sand adding lifting bucket and the connection point is larger than the length of the second chain, the second chain is in a tensioned state and drives the plug to separate from the sand outlet, so that the sand outlet is opened.

7. The intelligent sand adding system for ladle hot repair according to claim 1, wherein the moving trolley comprises a trolley platform and a plurality of upright columns arranged below the trolley platform, the bottommost part of each upright column is provided with a walking wheel set, walking wheels of the walking wheel set are provided with driving mechanisms, and the driving mechanisms are electrically connected with the control device.

8. The intelligent sand adding system for ladle hot repair according to claim 3, wherein the control device is configured to send an opening signal to the first electric valve when receiving a first instruction of adding sand into the vehicle-mounted hopper, so that drainage sand in the fixed hopper is added into the vehicle-mounted hopper;

the control device is also configured to send a closing signal to the first electric valve when receiving that the weight of the drainage sand in the fixing hopper is reduced to a first set value and/or the weight of the drainage sand in the vehicle-mounted hopper reaches a second set value.

9. The intelligent sand feeding system for ladle hot repair according to claim 8, further comprising a feeding device for feeding drainage sand into the fixing hopper, wherein the feeding device is electrically connected with the control device;

the control device is also configured to send a starting signal to the feeding device when the weight of the drainage sand in the fixed hopper weighed by the first weighing device is less than a third set value, so that the feeding device feeds the drainage sand into the fixed hopper;

the control device is also configured to send a closing signal to the feeding device when the weight of the drainage sand in the fixed hopper, which is weighed by the first weighing device, reaches a third set value, so that the feeding device stops feeding the drainage sand into the fixed hopper.

10. The intelligent sand adding system for ladle hot repair as claimed in claim 4, wherein the control device is configured to send an opening signal to the second electrically operated valve when receiving a signal indicating that the moving trolley is at the sand adding position, so that the drainage sand in the vehicle-mounted hopper is added to the transition funnel and is sent to the sand adding pail by the transition funnel;

and the control device is further configured to send a closing signal to the second electric valve and a starting signal to the lifting mechanism when receiving second weight information sent by the second weighing device, so that the lifting mechanism drives the sand adding lifting barrel to descend to a position close to the ladle nozzle.

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