CN114951563A - Continuous casting submersed nozzle insertion depth measuring device and using method thereof - Google Patents
Continuous casting submersed nozzle insertion depth measuring device and using method thereof Download PDFInfo
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- CN114951563A CN114951563A CN202210609928.4A CN202210609928A CN114951563A CN 114951563 A CN114951563 A CN 114951563A CN 202210609928 A CN202210609928 A CN 202210609928A CN 114951563 A CN114951563 A CN 114951563A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
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Abstract
The invention provides a device for measuring the insertion depth of a continuous casting submersed nozzle, which is applied to the technical field of continuous casting equipment, and also relates to a using method of the device for measuring the insertion depth of the continuous casting submersed nozzle. The continuous casting immersion nozzle insertion depth measuring device is characterized in that an adjusting mechanism (3) and a lifting mechanism (4) are installed on a mounting seat (2) of the continuous casting immersion nozzle insertion depth measuring device, the adjusting mechanism (3) comprises a first motor (31), the first motor (31) is connected with a screw rod (32), two ends of the screw rod (32) are respectively connected with a first thread sleeve (33) through thread portions, and the thread portions at two ends of the screw rod (32) are opposite in rotating direction. The device for measuring the insertion depth of the continuous casting submersed nozzle and the using method thereof can conveniently and quickly finish measuring the insertion depth of the continuous casting submersed nozzle, solve the technical problems that the existing measuring device cannot flexibly and accurately measure the insertion depth of the submersed nozzle due to different specifications of crystallizers and is insufficient in use, and ensure that the insertion depth of the submersed nozzle meets the requirements.
Description
Technical Field
The invention belongs to the technical field of continuous steel casting equipment, and particularly relates to a device for measuring the insertion depth of a continuous casting submerged nozzle.
Background
A submerged entry nozzle (submerged nozzle) is a refractory casing for pouring which is installed at the bottom of a tundish in a continuous steel casting facility and is inserted below the liquid level of the steel in a mold. The submerged nozzle needs to meet the technical requirements when being installed: the insertion depth of the upper surface of molten steel in the crystallizer is 120-150mm, but the existing measuring device cannot flexibly and accurately measure due to different specifications of the crystallizer, so that the use is not enough.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a simple structure can convenient and fast accomplish and measure continuous casting immersion nozzle depth of insertion, has solved because the crystallizer specification is different, and current measuring device can't be nimble accurate measure, uses the technical problem that has not enough, ensures that mouth of a river depth of insertion satisfies the continuous casting immersion nozzle depth of insertion measuring device of requirement.
To solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a continuous casting submersed nozzle insertion depth measuring device, which comprises a mounting seat, wherein an adjusting mechanism and a lifting mechanism are arranged on the mounting seat, the adjusting mechanism comprises a first motor, the first motor is connected with a screw rod, two ends of the screw rod are respectively connected with a first threaded sleeve through threaded parts, the threaded parts at the two ends of the screw rod are opposite in rotation direction, the lifting mechanism comprises a second motor, the second motor is connected with a spline rod, the spline rod is sleeved with a shell in a sliding manner, each first threaded sleeve is fixedly connected with a shell, the shell is internally and rotatably connected with a spline sleeve, the spline sleeves are sleeved on the spline rod in a sliding manner, a first bevel gear is fixedly sleeved on the spline sleeves, the bottom of the shell is rotatably connected with a threaded column, the threaded column is inserted into the shell and connected with a second bevel gear, the threaded column is connected with a second threaded sleeve through threads, a movable column is arranged on the second threaded sleeve, a fixture block is arranged at the bottom of the movable column, the threaded columns are opposite in rotation direction, the first bevel gear and the second bevel gear are in meshing transmission, and the bottom of the mounting seat is provided with a measuring rod.
The first motor of the adjusting mechanism is installed on the side face of the installation seat, and the second motor of the lifting mechanism is installed on the side face of the installation seat.
The output shaft of the first motor is inserted into the mounting seat and connected with the lead screw, and the output shaft of the second motor is inserted into the mounting seat and connected with the spline rod.
The measuring rod is installed at the bottom of the installation seat through the connection seat, and the measuring rod is perpendicular to the installation seat.
When the first motor is started, the output shaft of the first motor drives the screw rod to rotate, the screw rod drives the first threaded sleeve through thread transmission, the first threaded sleeve drives the two clamping blocks through the lifting mechanism, the rotating directions of threads at two ends of the screw rod are opposite, and the two clamping blocks are close to each other to clamp the crystallizer.
The invention also relates to a use method of the continuous casting submersed nozzle insertion depth measuring device, which has simple steps, can conveniently and quickly finish measuring the continuous casting submersed nozzle insertion depth, solves the technical problems that the existing measuring device cannot flexibly and accurately measure the immersion nozzle insertion depth due to different specifications of crystallizers and is insufficient in use, and ensures that the nozzle insertion depth meets the requirements.
The using method of the continuous casting submerged nozzle insertion depth measuring device comprises the following steps:
s1, starting a first motor of an adjusting mechanism, controlling two clamping blocks to approach each other, and clamping a crystallizer;
s2, starting a second motor of the lifting mechanism, fixing two clamping blocks with the crystallizer, moving the mounting seat 2 downwards, and driving the measuring rod to move downwards by the mounting seat until the connecting seat is parallel to the upper surface of the submerged nozzle;
s3, reversely starting a second motor of the lifting mechanism to drive the measuring rod to move upwards;
s4, because the bottom of the measuring rod is in contact with the molten steel to leave a mark, the distance L between the mark and the connecting seat 5 is measured, and the distance L is subtracted from the total length of the submerged nozzle, so that the insertion depth of the submerged nozzle is obtained.
When the inlet of the crystallizer is placed between the two clamping blocks, the first motor is started, the output shaft of the first motor drives the screw rod to rotate, the screw rod drives the first threaded sleeve 33 through thread transmission, the first threaded sleeve drives the clamping blocks through the lifting mechanism, and the two clamping blocks are close to each other to clamp the crystallizer due to opposite rotation directions of threads at the two ends of the screw rod.
And the second motor is started, the output shaft of the second motor drives the spline rod to rotate, the spline rod drives the spline sleeve, the spline rod drives the first bevel gear to rotate, the first bevel gear drives the threaded column to rotate through the thread transmission with the second bevel gear, and the threaded column enters the movable column through the thread transmission with the second threaded sleeve because the fixture block is fixed with the crystallizer at the moment.
When the threaded column enters the movable column through the thread transmission with the second threaded sleeve, the lifting mechanism drives the mounting seat to move downwards, and the mounting seat drives the measuring rod to move downwards through the connecting seat until the connecting seat is parallel to the upper surface of the submerged nozzle.
And reversely starting the second motor to enable the measuring rod to move upwards, measuring the distance between the mark and the connecting seat because the bottom of the measuring rod is contacted with the molten steel to leave the mark, and subtracting the distance L from the total length of the submerged nozzle to obtain the insertion depth of the submerged nozzle.
By adopting the technical scheme of the invention, the working principle and the beneficial effects are as follows:
the invention provides a device for measuring the insertion depth of a continuous casting submersed nozzle and a using method thereof. When in measurement, the using method of the continuous casting submerged nozzle insertion depth measuring device comprises the following steps: starting a first motor of the adjusting mechanism, controlling the two clamping blocks to approach each other, and clamping the crystallizer; starting a second motor of the lifting mechanism, fixing the two clamping blocks with the crystallizer, moving the mounting seat downwards, and driving the measuring rod to move downwards by the mounting seat until the connecting seat is parallel to the upper surface of the submerged nozzle; a second motor of the lifting mechanism is started reversely to drive the measuring rod to move upwards; because the bottom of the measuring rod is in contact with the molten steel to leave a mark, the distance L between the mark and the connecting seat is measured at the moment, and the distance L is subtracted from the total length of the submerged nozzle, so that the insertion depth of the submerged nozzle is obtained. The device for measuring the insertion depth of the continuous casting submersed nozzle and the using method thereof can conveniently and quickly finish measuring the insertion depth of the continuous casting submersed nozzle, solve the technical problems that the existing measuring device cannot flexibly and accurately measure the insertion depth of the submersed nozzle due to different specifications of crystallizers and is insufficient in use, and ensure that the insertion depth of the submersed nozzle meets the requirements.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic structural view of a device for measuring an insertion depth of a continuous casting submerged nozzle according to the present invention;
FIG. 2 is a schematic view illustrating a structure of a device for measuring an insertion depth of a continuous casting submerged nozzle according to the present invention;
FIG. 3 is a schematic view illustrating a structure of a device for measuring an insertion depth of a continuous casting submerged nozzle according to the present invention;
in the drawings, the reference numbers are respectively: 1. supporting seat, 2, mounting seat, 3, adjusting mechanism, 31, first motor, 32, lead screw, 33, first thread bush, 4, elevating system, 41, second motor, 42, spline rod, 43, shell, 44, spline bush, 45, first bevel gear, 46, threaded column, 47, second bevel gear, 48, second thread bush, 49, movable column, 5, connecting seat, 6, measuring rod, 7, fixture block.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:
as shown in the attached figures 1-3, the invention is a continuous casting submerged nozzle insertion depth measuring device, comprising a mounting base 2, an adjusting mechanism 3 and a lifting mechanism 4 are mounted on the mounting base 2, the adjusting mechanism 3 comprises a first motor 31, the first motor 31 is connected with a screw rod 32, two ends of the screw rod 32 are respectively connected with a first threaded sleeve 33 through threaded portions, the threaded portions of two ends of the screw rod 32 are opposite in rotating direction, the lifting mechanism 4 comprises a second motor 41, the second motor 41 is connected with a spline rod 42, a housing 43 is slidably sleeved on the spline rod 42, each first threaded sleeve 33 is fixedly connected with a housing 43, a spline sleeve 44 is rotatably connected inside the housing 43, the spline sleeve 44 is slidably sleeved on the spline rod 42, a first bevel gear 45 is fixedly sleeved on the spline sleeve 44, a threaded column 46 is rotatably connected at the bottom of the housing 43, the threaded column 46 is inserted inside the housing 42 and connected with a second bevel gear 47, the threaded column 46 is connected with a second threaded sleeve 48 through threads, a movable column 49 is installed on the second threaded sleeve 48, the fixture block 7 is installed at the bottom of the movable column 49, the thread parts of the two threaded columns 46 are opposite in rotating direction, the first bevel gear 45 and the second bevel gear 47 are in meshing transmission, and the measuring rod 6 is installed at the bottom of the installation seat 2. The structure provides a brand new technical scheme aiming at the defects in the prior art. When in measurement, the using method of the continuous casting submerged nozzle insertion depth measuring device comprises the following steps: starting a first motor 31 of the adjusting mechanism 3, controlling the two fixture blocks 7 to approach each other, and clamping the crystallizer; starting a second motor 41 of the lifting mechanism 4, fixing the two fixture blocks 7 with the crystallizer, moving the mounting seat 2 downwards, and driving the measuring rod 6 to move downwards by the mounting seat 2 until the connecting seat 5 is parallel to the upper surface of the submerged nozzle; a second motor 41 of the lifting mechanism is started reversely to drive the measuring rod 6 to move upwards; because the bottom of the measuring rod 6 is contacted with the molten steel to leave a mark, the distance L between the mark and the connecting seat 5 is measured at the moment, and then the distance L is subtracted from the total length of the submerged nozzle, so that the insertion depth of the submerged nozzle is obtained. The invention provides a device for measuring the insertion depth of a continuous casting submerged nozzle, which is convenient to install in crystallizers with different specifications by arranging an adjusting mechanism, a lifting mechanism and a fixture block, can adjust the insertion depth of a measuring rod into the submerged nozzle, and then measures the insertion depth of the submerged nozzle by utilizing the measuring rod, and is very convenient to use. The continuous casting submersed nozzle insertion depth measuring device and the using method thereof have the advantages of simple structure, accurate and convenient use, and capability of conveniently and quickly measuring the continuous casting submersed nozzle insertion depth, solve the technical problems that the existing measuring device cannot flexibly and accurately measure the immersion nozzle insertion depth due to different specifications of crystallizers and is insufficient in use, and ensure that the nozzle insertion depth meets the requirements.
The first motor 31 of the adjusting mechanism 3 is installed on the side surface of the installation base 2, and the second motor 41 of the lifting mechanism 4 is installed on the side surface of the installation base 2. The output shaft of the first motor 31 is inserted into the mounting base 2 and connected with the screw rod 32, and the output shaft of the second motor 41 is inserted into the mounting base 2 and connected with the spline rod 42. The bottom of the mounting seat 2 is provided with a measuring rod 6 through a connecting seat 5, and the measuring rod 6 is vertically arranged with the mounting seat 2. In the above configuration, the lead screw 32 is arranged in parallel with the spline bar 42, and the measuring bar is arranged perpendicular to the spline bar 42. Therefore, when the fixture block is clamped in the crystallizer, the second motor drives the mounting seat 2 to move downwards after being started. When the mounting seat 2 moves downwards, the fixture block is not moved, and the mounting seat moves downwards relative to the crystallizer.
When the first motor 31 is started, the output shaft of the first motor 31 drives the screw rod 32 to rotate, the screw rod 32 drives the first threaded sleeve 33 through threaded transmission, the first threaded sleeve 33 drives the two fixture blocks 7 through the lifting mechanism 4, the rotating directions of the threads at the two ends of the screw rod 32 are opposite, and the two fixture blocks 7 are close to each other to clamp the crystallizer. The structure is started by the first motor, and the two clamping blocks are driven to move towards the mutually approaching direction to clamp the crystallizer. The subsequent second motor is convenient to start, so that the measuring rod is driven to move downwards, and the measurement is realized. After the measurement is finished, when the crystallizer needs to be loosened, the crystallizer can be loosened only by controlling the first motor to be started reversely through the control part.
The invention also relates to a use method of the continuous casting submersed nozzle insertion depth measuring device, which has simple steps, can conveniently and quickly finish measuring the continuous casting submersed nozzle insertion depth, solves the technical problems that the existing measuring device cannot flexibly and accurately measure the immersion nozzle insertion depth due to different specifications of crystallizers and is insufficient in use, and ensures that the nozzle insertion depth meets the requirements.
The using method of the continuous casting submerged nozzle insertion depth measuring device comprises the following steps:
s1, starting a first motor 31 of an adjusting mechanism 3, controlling two clamping blocks 7 to approach each other, and clamping a crystallizer; s2, starting a second motor 41 of the lifting mechanism 4, fixing two fixture blocks 7 with the crystallizer, moving the mounting seat 2 downwards, and driving the measuring rod 6 to move downwards by the mounting seat 2 until the connecting seat 5 is parallel to the upper surface of the submerged nozzle; s3, reversely starting a second motor 41 of the lifting mechanism to drive the measuring rod 6 to move upwards; s4, because the bottom of the measuring rod 6 is in contact with the molten steel to leave a mark, the distance L between the mark and the connecting seat 5 is measured, and the distance L is subtracted from the total length of the submerged nozzle, so that the insertion depth of the submerged nozzle is obtained. When measuring, first motor starts to an orientation, make two fixture blocks move to the orientation of being close to each other, press from both sides tight crystallizer, then the second motor moves to an orientation, the fixture block is fixed with crystallizer relative position this moment, and the mount pad can be for the crystallizer downstream, thereby drive the measuring stick downstream, insert in the molten steel, until the upper surface parallel of connecting seat 5 and immersion nozzle, then, the second motor rotates to another orientation, drive the measuring stick rebound, then first motor rotates to another orientation, drive two fixture blocks and move to the orientation of keeping away from each other, thereby loosen the crystallizer.
When the inlet of the crystallizer is placed between the two fixture blocks 7, the first motor 31 is started, the output shaft of the first motor 31 drives the screw rod 32 to rotate, the screw rod 32 drives the first threaded sleeve 33 through thread transmission, the first threaded sleeve 33 drives the fixture blocks 7 through the lifting mechanism 4, and the two fixture blocks 7 are close to each other to clamp the crystallizer due to the fact that the rotating directions of threads at the two ends of the screw rod 32 are opposite. When the second motor 41 is started, the output shaft of the second motor 41 drives the spline rod 42 to rotate, the spline rod 42 drives the spline housing 44, the spline rod 44 drives the first bevel gear 45 to rotate, the first bevel gear 45 drives the threaded column 46 to rotate through the thread transmission with the second bevel gear 47, and the threaded column 46 enters the movable column 49 through the thread transmission with the second threaded housing 48 because the fixture block 7 is fixed with the crystallizer at the moment. According to the structure, the first motor and the second motor are respectively connected with the control part, so that the first motor and the second motor are started, stopped and rotated in different directions.
When the threaded column 46 enters the movable column 49 through the threaded transmission with the second threaded sleeve 48, the lifting mechanism 4 drives the mounting seat 2 to move downwards, and the mounting seat 2 drives the measuring rod 6 to move downwards through the connecting seat 5 until the connecting seat 5 is parallel to the upper surface of the submerged nozzle.
And reversely starting the second motor 41 to enable the measuring rod 6 to move upwards, measuring the distance between the mark and the connecting seat 5 because the bottom of the measuring rod 6 is contacted with the molten steel to leave the mark, and subtracting the distance L from the total length of the submerged nozzle to obtain the insertion depth of the submerged nozzle.
The invention provides a device for measuring the insertion depth of a continuous casting submersed nozzle and a using method thereof. When in measurement, the using method of the continuous casting submerged nozzle insertion depth measuring device comprises the following steps: starting a first motor of the adjusting mechanism, controlling the two clamping blocks to approach each other, and clamping the crystallizer; starting a second motor of the lifting mechanism, fixing the two clamping blocks with the crystallizer, moving the mounting seat downwards, and driving the measuring rod to move downwards by the mounting seat until the connecting seat is parallel to the upper surface of the submerged nozzle; a second motor of the lifting mechanism is started reversely to drive the measuring rod to move upwards; because the bottom of the measuring rod is in contact with the molten steel to leave a mark, the distance L between the mark and the connecting seat is measured at the moment, and the distance L is subtracted from the total length of the submerged nozzle, so that the insertion depth of the submerged nozzle is obtained. The device for measuring the insertion depth of the continuous casting submersed nozzle and the using method thereof can conveniently and quickly finish measuring the insertion depth of the continuous casting submersed nozzle, solve the technical problems that the existing measuring device cannot flexibly and accurately measure the insertion depth of the submersed nozzle due to different specifications of crystallizers and is insufficient in use, and ensure that the insertion depth of the submersed nozzle meets the requirements.
The present invention has been described in detail with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments, and that various modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a continuous casting immersion nozzle inserts degree of depth measuring device which characterized in that: comprises a mounting seat (2), an adjusting mechanism (3) and a lifting mechanism (4) are mounted on the mounting seat (2), the adjusting mechanism (3) comprises a first motor (31), the first motor (31) is connected with a screw rod (32), two ends of the screw rod (32) are respectively connected with a first thread sleeve (33) through thread parts, the thread parts at two ends of the screw rod (32) are opposite in rotating direction, the lifting mechanism (4) comprises a second motor (41), the second motor (41) is connected with a spline rod (42), the spline rod (42) is sleeved with a shell (43) in a sliding manner, each first thread sleeve (33) is fixedly connected with one shell (43), the shell (43) is rotatably connected with the spline sleeve (44) inside, the spline sleeve (44) is sleeved on the spline rod (42) in a sliding manner, a first bevel gear (45) is fixedly sleeved on the spline sleeve (44), the bottom of the shell (43) is rotatably connected with a thread column (46), the thread column (46) is inserted into the shell (42) and is connected with a second bevel gear (47), the threaded columns (46) are connected with a second threaded sleeve (48) through threads, a movable column (49) is installed on the second threaded sleeve (48), a fixture block (7) is installed at the bottom of the movable column (49), the thread parts of the two threaded columns (46) are opposite in rotating direction, a first bevel gear (45) and a second bevel gear (47) are in meshing transmission, and a measuring rod (6) is installed at the bottom of the installation seat (2).
2. The continuous casting submerged entry nozzle insertion depth measuring device of claim 1, characterized in that: a first motor (31) of the adjusting mechanism (3) is arranged on the side surface of the mounting seat (2), and a second motor (41) of the lifting mechanism (4) is arranged on the side surface of the mounting seat (2).
3. The continuous casting submerged entry nozzle insertion depth measuring device according to claim 1 or 2, characterized in that: the output shaft of the first motor (31) is inserted into the mounting base (2) and connected with the screw rod (32), and the output shaft of the second motor (41) is inserted into the mounting base (2) and connected with the spline rod (42).
4. The continuous casting submerged entry nozzle insertion depth measuring device according to claim 1 or 2, characterized in that: the measuring rod (6) is installed at the bottom of the installation seat (2) through the connecting seat (5), and the measuring rod (6) is perpendicular to the installation seat (2).
5. The continuous casting submerged entry nozzle insertion depth measuring device according to claim 1 or 2, characterized in that: when the first motor (31) is started, an output shaft of the first motor (31) drives the screw rod (32) to rotate, the screw rod (32) drives the first threaded sleeve (33) through threaded transmission, the first threaded sleeve (33) drives the two clamping blocks (7) through the lifting mechanism (4), the rotating directions of threads at two ends of the screw rod (32) are opposite, the two clamping blocks (7) are close to each other, and the crystallizer is clamped tightly.
6. A use method of a continuous casting submerged nozzle insertion depth measuring device is characterized in that: the using method of the continuous casting submerged nozzle insertion depth measuring device comprises the following steps:
s1, starting a first motor (31) of an adjusting mechanism (3), controlling two clamping blocks (7) to approach each other, and clamping a crystallizer;
s2, starting a second motor (41) of the lifting mechanism (4), fixing two clamping blocks 7 with the crystallizer, moving the mounting seat (2) downwards, and driving the measuring rod (6) to move downwards by the mounting seat (2) until the connecting seat (5) is parallel to the upper surface of the submerged nozzle;
s3, reversely starting a second motor (41) of the lifting mechanism to drive the measuring rod (6) to move upwards;
s4, as the bottom of the measuring rod (6) is contacted with the molten steel to leave a mark, the distance L between the mark and the connecting seat (5) is measured, and the distance L is subtracted from the total length of the submerged nozzle, so that the insertion depth of the submerged nozzle is obtained.
7. The use of the apparatus for measuring the insertion depth of a continuous casting submerged entry nozzle according to claim 6, wherein: when the inlet of the crystallizer is placed between the two clamping blocks (7), the first motor (31) is started, the output shaft of the first motor (31) drives the screw rod (32) to rotate, the screw rod (32) drives the first threaded sleeve (33) through thread transmission, the first threaded sleeve (33) drives the clamping blocks (7) through the lifting mechanism (4), and the two clamping blocks (7) are close to each other due to the fact that the rotating directions of threads at the two ends of the screw rod (32) are opposite, and the crystallizer is clamped tightly.
8. The use of the apparatus for measuring the insertion depth of a continuous casting submerged entry nozzle according to claim 7, wherein: the second motor (41) is started, an output shaft of the second motor (41) drives the spline rod (42) to rotate, the spline rod (42) drives the spline sleeve (44), the spline rod (44) drives the first bevel gear (45) to rotate, the first bevel gear (45) drives the threaded column (46) to rotate through thread transmission with the second bevel gear (47), the fixture block (7) is fixed with the crystallizer at the moment, and the threaded column (46) enters the inner part of the movable column (49) through thread transmission with the second threaded sleeve (48).
9. The use of the apparatus for measuring the insertion depth of a continuous casting submerged entry nozzle according to claim 8, wherein: when the threaded column (46) enters the movable column (49) through the thread transmission with the second threaded sleeve (48), the lifting mechanism (4) drives the mounting seat (2) to move downwards, and the mounting seat (2) drives the measuring rod (6) to move downwards through the connecting seat (5) until the connecting seat (5) is parallel to the upper surface of the submerged nozzle.
10. The use of the apparatus for measuring the insertion depth of a continuous casting submerged entry nozzle according to claim 9, wherein: and reversely starting the second motor (41) to enable the measuring rod (6) to move upwards, measuring the distance between the mark and the connecting seat (5) because the bottom of the measuring rod (6) is contacted with the molten steel to leave the mark, and subtracting the distance L from the total length of the submerged nozzle to obtain the insertion depth of the submerged nozzle.
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| CN202210609928.4A CN114951563B (en) | 2022-05-31 | 2022-05-31 | Continuous casting immersion nozzle insertion depth measuring device and application method thereof |
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| CN202210609928.4A CN114951563B (en) | 2022-05-31 | 2022-05-31 | Continuous casting immersion nozzle insertion depth measuring device and application method thereof |
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| CN101849167A (en) * | 2008-10-28 | 2010-09-29 | 东北大学 | Device for measuring level of molten metal and method thereof |
| KR20160078816A (en) * | 2014-12-24 | 2016-07-05 | 주식회사 포스코 | Sensor apparaus, magnesium refining apparaus and operation mehtod using the same |
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| CN110202107A (en) * | 2019-06-21 | 2019-09-06 | 邯郸钢铁集团有限责任公司 | Tundish immersed nozzle immersion depth Automatic adjustment method |
| CN111482590A (en) * | 2020-06-04 | 2020-08-04 | 广东韶钢松山股份有限公司 | Immersion nozzle insertion method and apparatus |
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