CN217578965U - Quick replacing device for steel tapping hole of converter - Google Patents
Quick replacing device for steel tapping hole of converter Download PDFInfo
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- CN217578965U CN217578965U CN202220839569.7U CN202220839569U CN217578965U CN 217578965 U CN217578965 U CN 217578965U CN 202220839569 U CN202220839569 U CN 202220839569U CN 217578965 U CN217578965 U CN 217578965U
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- tapping hole
- steel tapping
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Abstract
The utility model belongs to the technical field of metallurgical equipment, concretely relates to converter tapping hole quick replacement device. The device comprises a trolley capable of running on a track in front of a converter, wherein a horizontal large arm is connected to one side of the trolley, which is opposite to a converter steel tapping hole, and a horizontal extension arm is arranged at the front end of the large arm; one side of the extension arm, which is close to the converter, is connected with a rotating arm through an up-down moving interface; before the converter steel tapping hole is replaced, the front end of the rotating arm is connected with a drill bit for reaming; when the steel tapping hole of the converter is replaced, the front end of the rotating arm is changed into a connection replacement joint from a connection drill bit, and the replacement joint is used for sleeving a new steel tapping hole of the converter; the drill bit and the replacement joint are both right opposite to the installation position of the converter steel tapping hole. The utility model can not only realize the quick cleaning of the old steel tapping hole residue after the steel tapping hole of the converter reaches the service life, but also realize the quick installation of the new steel tapping hole, and the operation is convenient and efficient.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, concretely relates to converter tapping hole quick replacement device.
Background
The converter steelmaking process is a periodic production process, the time for smelting one furnace of steel is about 30 minutes, qualified molten steel needs to flow into a steel ladle through a steel tapping hole after smelting is finished, and the smelting production of the next furnace is carried out after the steel tapping is finished. The converter tapping hole is made of magnesia carbon bricks, and in the tapping process, high-temperature molten steel erodes the tapping hole to expand the diameter of the tapping hole, so that two problems mainly occur, namely the tapping hole is large and easy to slag, the product quality is affected, the potential safety hazard that the tapping hole penetrates steel can occur due to the fact that the tapping hole is too large, and the service life of the conventional tapping hole needs to be replaced after 200-300 times of use.
The existing mode for replacing the steel tapping hole of the converter mainly comprises the step of hoisting a new steel tapping hole by using a crown block for replacement, and the defect of the operation is that the crown block for hoisting the new steel tapping hole blocks the passing of a loading crown block and influences the production rhythm in the process of replacing the steel tapping hole by hoisting the crown block if other converters need loading for smelting.
The Chinese patent with the application number of 201921462158.5 discloses a vehicle type operating platform for replacing and maintaining a converter steel tapping hole, the vehicle type operating platform for replacing and maintaining the converter steel tapping hole is designed, the device solves the problem that the crown block is occupied by replacing the steel tapping hole, the device does not have the function of cleaning the residual steel tapping hole, the operating platform needs manpower to push, the accuracy is low in the replacement process, and the consumed time is long.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem provided in the background art, the utility model aims to provide a converter steel-tapping hole quick replacement device both can realize reaching the old steel-tapping hole of quick clearance after the life-span at the converter steel-tapping hole remaining, can realize installing new steel-tapping hole fast again, and the simple operation is high-efficient.
In order to achieve the purpose, the utility model provides the following technical proposal,
A quick replacing device for a converter steel-tapping hole comprises a trolley capable of running on a track in front of a converter, wherein a horizontal large arm is connected to one side, facing the converter steel-tapping hole, of the trolley, and a horizontal extension arm is arranged at the front end of the large arm; one side of the extension arm, which is close to the converter, is connected with a rotating arm through an up-down moving interface; before the converter steel tapping hole is replaced, the front end of the rotating arm is connected with a drill bit for reaming; when the steel tapping hole of the converter is replaced, the front end of the rotating arm is changed into a connection replacement joint from a connection drill bit, and the replacement joint is used for sleeving a new steel tapping hole of the converter; the drill bit and the replacement joint are both right opposite to the installation position of the converter steel tapping hole.
Furthermore, a hydraulic cylinder is arranged in the extension arm, the inner wall of the extension arm is fixed with a cylinder rod of the hydraulic cylinder, and the hydraulic cylinder is controlled through remote control so as to drive the extension arm to stretch.
Furthermore, a hydraulic motor capable of providing rotary force is fixed in the rotating arm.
Furthermore, the lower part of the trolley is in contact with the front track of the furnace through a walking type transmission structure.
Compared with the prior art, the utility model has the following beneficial effects,
The device can realize the quick replacement of the steel tapping hole of the converter, has simple operation and high efficiency, does not influence the normal production of other converters, and reduces the labor intensity of manual operation;
concretely, the device is through the steerable interface that reciprocates of remote control equipment position fine setting of new tapping hole in-process of change, compares artifical the change, and the accuracy promotes by a wide margin, is favorable to improving the result of use of converter tapping hole, has reduced the potential safety hazard simultaneously. In addition, the drill bit and the position of the joint can be controlled and replaced by remotely controlling the extension arm and the rotating arm, and the device is safer and more efficient compared with manual operation.
Drawings
FIG. 1 is a front view of a quick replacing device for a steel tapping hole of a converter according to the present invention;
FIG. 2 is a schematic view of a new tap hole of the converter of the present invention;
fig. 3 is a schematic view of the drill bit of the present invention.
In the drawing, 1, a new steel tapping hole of a converter is formed; 2. a trolley; 3. a large arm; 4. an interface; 5. extending the arm; 6. moving the interface up and down; 7. a rotating arm; 8. a drill bit; 9. replacing the joint; 10. a walking type transmission structure; 11. a converter; 12. and (4) installing a converter steel tapping hole.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, the utility model discloses a quick changing device for a converter steel tapping hole, which comprises a trolley 2 capable of running on a rail in front of a converter, wherein a horizontal big arm 3 is connected on one side of the trolley 2, which is just opposite to a converter steel tapping hole 12, and the front end of the big arm 3 is connected with a horizontal extension arm 5 through an interface 4; one side of the extension arm 5, which is close to the converter, is connected with a rotating arm 7 through an up-and-down moving interface 6; the hydraulic cylinder is arranged in the extension arm, the inner wall of the extension arm is fixed with a cylinder rod of the hydraulic cylinder, and the cylinder rod can drive the extension arm to stretch and retract through remotely controlling the hydraulic cylinder. A hydraulic motor capable of providing rotary force is arranged in the rotating arm, and the rotary torque of the hydraulic motor can reach 10000N.m; before the converter steel tapping hole is replaced, the front end of the rotating arm is connected with a drill bit 8 for reaming; the hydraulic motor is remotely controlled to rotate and is assisted with hydraulic impact action, so that the reaming efficiency of the drill bit can be obviously improved. Preferably, in order to align the position of the drill bit with the converter tap hole to be replaced, the up-down moving interface is provided with a remote control device, the up-down moving interface can be moved through the operation of the remote control device so as to adjust the angle of the drill bit, the drill bit and the converter tap hole to be replaced are ensured to be on the same horizontal line, and the accuracy of replacing the tap hole is favorably ensured.
When the steel tapping hole of the converter is replaced, the front end of the rotating arm is changed from being connected with a drill bit to being connected with a replacing joint 9, and the replacing joint is used for sleeving a new steel tapping hole 1 of the converter; the drill bit and the replacement joint are both opposite to the converter steel tapping hole installation position 12.
Specifically, the lower part of the trolley is in contact with a track in front of the furnace through a walking type transmission structure 10, so that the ground holding force of the trolley body is increased, and the stability of the drill bit in the process of cleaning the residual steel tapping hole is improved.
The working principle,
When the service life of an old steel tapping hole of the converter is up to the service life and needs to be replaced, firstly, pouring the slag, shaking the converter 10 to the iron adding side by about 140 degrees, and then, driving the trolley to a position right facing the installation position of the steel tapping hole of the converter; aligning the drill bit with the installation position, and realizing fine adjustment alignment through a remote control up-down moving interface to ensure that the drill bit and a converter steel tapping hole to be replaced are on the same horizontal line; and (3) extending the extension arm, driving the drill bit to rotate clockwise by the rotating arm, reaming the drill bit, and expanding the inner sleeve hole of the old steel tapping hole to phi 280mm, so that the shape of the sleeve hole is kept regular and the outer sleeve brick cannot be damaged. The concentricity of the new steel tapping hole and the external steel structure is ensured, and the eccentricity is not more than 50mm. After the hole is expanded and the residue of the old steel tapping hole is cleaned up, the drill bit is detached, and the replacement joint is installed; sleeving a new steel tapping hole of the converter on the replacing joint, aligning the new steel tapping hole with the installation position of the steel tapping hole of the converter, and realizing fine adjustment alignment by moving the interface up and down; extending the extension arm, installing a new steel-tapping hole of the converter at the installation position of the steel-tapping hole of the converter, and then manually operating gunning equipment to spray gunning material into a gap between the steel-tapping hole and the installation position; the extension arm is contracted, the replacement joint is withdrawn from the converter steel tapping hole, the fast replacement of the converter steel tapping hole is completed, and finally the trolley is driven away from the area.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A quick replacing device for a converter steel tapping hole is characterized in that: the device comprises a trolley capable of running on a track in front of a converter, wherein a horizontal large arm is connected to one side of the trolley, which is opposite to a converter steel tapping hole, and a horizontal extension arm is arranged at the front end of the large arm; one side of the extension arm, which is close to the converter, is connected with a rotating arm through an up-down moving interface; before the converter steel tapping hole is replaced, the front end of the rotating arm is connected with a drill bit for reaming; when the steel tapping hole of the converter is replaced, the front end of the rotating arm is changed into a connection replacement joint from a connection drill bit, and the replacement joint is used for sleeving a new steel tapping hole of the converter; the drill bit and the replacement joint are both right opposite to the installation position of the converter steel tapping hole.
2. The rapid converter tap hole replacement device of claim 1, wherein: the hydraulic cylinder is arranged in the extension arm, the inner wall of the extension arm is fixed with a cylinder rod of the hydraulic cylinder, and the hydraulic cylinder is controlled through remote control so as to drive the extension arm to stretch.
3. The converter tap-hole quick replacement device of claim 1, characterized in that: a hydraulic motor capable of providing rotary force is fixed in the rotating arm.
4. The converter tap-hole quick replacement device of claim 1, characterized in that: the lower part of the trolley is contacted with the front track of the furnace through a walking type transmission structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220839569.7U CN217578965U (en) | 2022-04-12 | 2022-04-12 | Quick replacing device for steel tapping hole of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220839569.7U CN217578965U (en) | 2022-04-12 | 2022-04-12 | Quick replacing device for steel tapping hole of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217578965U true CN217578965U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220839569.7U Active CN217578965U (en) | 2022-04-12 | 2022-04-12 | Quick replacing device for steel tapping hole of converter |
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| CN (1) | CN217578965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116656908A (en) * | 2023-07-13 | 2023-08-29 | 张家港宏昌钢板有限公司 | Tapping hole replacement device |
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2022
- 2022-04-12 CN CN202220839569.7U patent/CN217578965U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116656908A (en) * | 2023-07-13 | 2023-08-29 | 张家港宏昌钢板有限公司 | Tapping hole replacement device |
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