CN114951563B - Continuous casting immersion nozzle insertion depth measuring device and application method thereof - Google Patents
Continuous casting immersion nozzle insertion depth measuring device and application method thereof Download PDFInfo
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- CN114951563B CN114951563B CN202210609928.4A CN202210609928A CN114951563B CN 114951563 B CN114951563 B CN 114951563B CN 202210609928 A CN202210609928 A CN 202210609928A CN 114951563 B CN114951563 B CN 114951563B
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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 continuous casting immersion nozzle insertion depth measuring device applied to the technical field of continuous casting equipment, and also relates to a use method of the continuous casting immersion nozzle insertion depth measuring device. The continuous casting immersion nozzle insertion depth measuring device is characterized in that an adjusting mechanism (3) and a lifting mechanism (4) are mounted 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 bush (33) through thread parts, and the thread parts at two ends of the screw rod (32) are opposite in rotation direction. The continuous casting immersion nozzle insertion depth measuring device and the use method thereof can conveniently and rapidly finish measuring the continuous casting immersion nozzle insertion depth, solve the technical problems that the existing measuring device cannot flexibly and accurately measure due to different specifications of a crystallizer and has insufficient use and ensure that the nozzle insertion depth meets the requirement.
Description
Technical Field
The invention belongs to the technical field of continuous casting equipment, and particularly relates to a continuous casting immersion nozzle insertion depth measuring device and a use method of the continuous casting immersion nozzle insertion depth measuring device.
Background
A submerged nozzle (submerged nozzle) is a refractory sleeve for pouring which is installed at the bottom of a tundish and inserted below the level of molten steel in a mold in a continuous casting apparatus. The immersed nozzle needs to meet the technical requirements during installation: 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, and has the defect of insufficient use.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the continuous casting immersion nozzle insertion depth measuring device has the advantages that the structure is simple, the continuous casting immersion nozzle insertion depth can be conveniently and rapidly measured, the problem that the existing measuring device cannot flexibly and accurately measure due to different specifications of a crystallizer, the technical problem that the existing measuring device is insufficient in use is solved, and the continuous casting immersion nozzle insertion depth measuring device meeting the requirements is guaranteed.
The technical scheme adopted by the invention is as follows:
the invention relates to a continuous casting immersion 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 thread bush through thread parts, the thread parts at two ends of the screw rod are opposite in rotation direction, the lifting mechanism comprises a second motor, the second motor is connected with spline rods, a shell is sleeved on the spline rods in a sliding manner, each first thread bush is fixedly connected with a shell, the inside of the shell is rotationally connected with the spline bush, the spline bush is sleeved on the spline rod in a sliding manner, a first bevel gear is fixedly sleeved on the spline bush, the bottom of the shell is rotationally connected with a thread post, the thread post is inserted into the inside of the shell and is connected with a second bevel gear, the thread post is connected with the second thread bush through threads, a movable post is arranged on the second thread bush, a clamping block is arranged at the bottom of the movable post, the thread parts of the two thread posts are opposite in rotation direction, the first bevel gear and the second bevel gear are in meshed transmission, and a measuring rod is arranged at the bottom of the mounting seat.
The first motor of the adjusting mechanism is arranged on the side surface of the mounting seat, and the second motor of the lifting mechanism is arranged on the side surface of the mounting seat.
The output shaft of the first motor is inserted into the mounting seat and connected with the screw rod, and the output shaft of the second motor is inserted into the mounting seat and connected with the spline rod.
The bottom of the mounting seat is provided with a measuring rod through a connecting seat, and the measuring rod is vertically arranged with the mounting seat.
When the first motor starts, the output shaft of the first motor drives the screw rod to rotate, the screw rod drives the first thread bush through thread transmission, the first thread bush drives the two clamping blocks through the lifting mechanism, the threads at the two ends of the screw rod are opposite in rotation direction, and the two clamping blocks are mutually close to each other to clamp the crystallizer.
The invention also relates to a method for using the continuous casting immersion nozzle insertion depth measuring device, which has the advantages of simple steps, capability of conveniently and rapidly completing measurement of the continuous casting immersion nozzle insertion depth, and capability of solving the technical problems that the conventional measuring device cannot flexibly and accurately measure due to different specifications of a crystallizer and is insufficient in use, and ensuring that the nozzle insertion depth meets the requirement.
The using method of the continuous casting immersion nozzle insertion depth measuring device comprises the following steps:
s1, starting a first motor of an adjusting mechanism, controlling two clamping blocks to be close to each other, and clamping a crystallizer;
s2, starting a second motor of the lifting mechanism, fixing two clamping blocks with the crystallizer, enabling the mounting seat 2 to move downwards, and enabling the mounting seat to drive the measuring rod to move downwards 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, as the bottom of the measuring rod is contacted with molten steel to leave marks, the distance L between the marks and the connecting seat 5 is measured, and then the total length of the submerged nozzle is subtracted by the distance L, so that the insertion depth of the submerged nozzle is obtained.
When the inlet of the crystallizer is placed between two clamping blocks, a first motor is started, an output shaft of the first motor drives a screw rod to rotate, the screw rod drives a first thread bush 33 through thread transmission, the first thread bush drives the clamping blocks through a lifting mechanism, and the two clamping blocks are mutually close to each other to clamp the crystallizer due to opposite rotation directions of threads at two ends of the screw rod.
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 threaded transmission with the second bevel gear, and the threaded column enters the movable column through the threaded transmission with the second thread sleeve because the clamping block is fixed with the crystallizer at the moment.
When the threaded column enters the movable column through the threaded 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 the second motor is reversely started to enable the measuring rod to move upwards, and the bottom of the measuring rod is contacted with molten steel to leave marks, so that the distance between the marks and the connecting seat is measured, and the total length of the submerged nozzle is subtracted by the distance L 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 immersion nozzle and a use method thereof, which is convenient for installing the device on crystallizers with different specifications by arranging an adjusting mechanism, a lifting mechanism and a clamping block, can adjust the insertion depth of a measuring rod into the immersion nozzle, and then measures the insertion depth of the immersion nozzle by using the measuring rod, thereby being very convenient to use. When measuring, the using method of the continuous casting immersion nozzle insertion depth measuring device comprises the following steps: starting a first motor of the adjusting mechanism, controlling the two clamping blocks to be close to each other, and clamping the crystallizer; starting a second motor of the lifting mechanism, fixing the two clamping blocks with the crystallizer, enabling the mounting seat to move downwards, and enabling the mounting seat to drive the measuring rod to move downwards until the connecting seat is parallel to the upper surface of the immersed nozzle; a second motor of the lifting mechanism is reversely started to drive the measuring rod to move upwards; and the bottom of the measuring rod is contacted with molten steel to leave marks, at the moment, the distance L between the marks and the connecting seat is measured, and the total length of the submerged nozzle is subtracted by the distance L to obtain the insertion depth of the submerged nozzle. The continuous casting immersion nozzle insertion depth measuring device and the use method thereof can conveniently and rapidly finish measuring the continuous casting immersion nozzle insertion depth, solve the technical problems that the existing measuring device cannot flexibly and accurately measure due to different specifications of a crystallizer and has insufficient use and ensure that the nozzle insertion depth meets the requirement.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
FIG. 1 is a schematic view of a continuous casting submerged nozzle insertion depth measuring device according to the present invention;
FIG. 2 is a schematic structural view of a continuous casting submerged nozzle insertion depth measuring device according to the present invention;
FIG. 3 is a schematic structural view of a continuous casting submerged nozzle insertion depth measuring device according to the present invention;
the reference numerals in the figures are respectively: 1. support base, 2, mount pad, 3, adjustment mechanism, 31, first motor, 32, lead screw, 33, first thread bush, 4, elevating system, 41, second motor, 42, spline pole, 43, casing, 44, spline bush, 45, first bevel gear, 46, screw thread post, 47, second bevel gear, 48, second thread bush, 49, movable post, 5, connecting seat, 6, measuring rod, 7, fixture block.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present invention by describing examples in further detail:
as shown in fig. 1-3, the invention relates to a continuous casting immersion nozzle insertion depth measuring device, which comprises a mounting seat 2, wherein an adjusting mechanism 3 and a lifting mechanism 4 are arranged 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 bush 33 through thread parts, the thread parts at two ends of the screw rod 32 rotate oppositely, the lifting mechanism 4 comprises a second motor 41, the second motor 41 is connected with a spline rod 42, a shell 43 is sheathed on the spline rod 42 in a sliding manner, each first thread bush 33 is fixedly connected with a shell 43, the inside of the shell 43 is rotationally connected with a spline bush 44, the spline bush 44 is sheathed on the spline rod 42 in a sliding manner, a first bevel gear 45 is fixedly sheathed on the spline bush 44, the bottom of the shell 43 is rotationally connected with a thread post 46, the thread post 46 is inserted into the inside of the shell 42 and is connected with a second bevel gear 47, the thread post 46 is connected with a second thread bush 48 through thread, a movable post 49 is arranged on the second thread bush 48, a clamping block 7 is arranged at the bottom of the movable post 49, the thread part of the two thread posts 46 rotates oppositely, and the first bevel gear 45 is meshed with the bottom of the second bevel gear 47 in a transmission seat 6. The structure provides a brand new technical scheme aiming at the defects in the prior art. When measuring, the using method of the continuous casting immersion nozzle insertion depth measuring device comprises the following steps: starting a first motor 31 of the adjusting mechanism 3, controlling two clamping blocks 7 to be close to each other, and clamping the crystallizer; 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; the second motor 41 of the lifting mechanism is reversely started to drive the measuring rod 6 to move upwards; the bottom of the measuring rod 6 is contacted with molten steel to leave marks, at the moment, the distance L between the marks and the connecting seat 5 is measured, and the total length of the submerged nozzle is subtracted by the distance L to obtain the insertion depth of the submerged nozzle. The invention provides a device for measuring the insertion depth of a continuous casting submerged nozzle, which is convenient for installing the device on crystallizers with different specifications by arranging an adjusting mechanism, a lifting mechanism and a clamping block, and can adjust the insertion depth of a measuring rod into the submerged nozzle, so that the insertion depth of the submerged nozzle is measured by using the measuring rod, and the device is very convenient to use. The continuous casting immersion nozzle insertion depth measuring device and the use method thereof have the advantages of simple structure, accurate and convenient use, capability of conveniently and rapidly measuring the continuous casting immersion nozzle insertion depth, and capability of solving the technical problems that the conventional measuring device cannot flexibly and accurately measure due to different specifications of crystallizers and has insufficient use and ensuring that the nozzle insertion depth meets the requirements.
The first motor 31 of the adjusting mechanism 3 is arranged on the side surface of the mounting seat 2, and the second motor 41 of the lifting mechanism 4 is arranged on the side surface of the mounting seat 2. The output shaft of the first motor 31 is inserted into the mounting seat 2 and connected with the screw rod 32, and the output shaft of the second motor 41 is inserted into the mounting seat 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. With the above structure, the lead screw 32 is arranged in parallel with the spline rod 42, and the measuring rod is arranged perpendicular to the spline rod 42. Therefore, when the clamping block is clamped in the crystallizer, the second motor is started to drive the mounting seat 2 to move downwards. When the mounting seat 2 moves downwards, the clamping block is fixed, 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 thread sleeve 33 through thread transmission, the first thread sleeve 33 drives the two clamping blocks 7 through the lifting mechanism 4, the threads at the two ends of the screw rod 32 are opposite in rotation direction, and the two clamping blocks 7 are mutually close to each other to clamp the crystallizer. According to the structure, the first motor is started to drive the two clamping blocks to move towards the direction of approaching each other, so that the crystallizer is clamped. The subsequent second motor is convenient to start so as to drive the measuring rod to move downwards, and measurement is realized. When the crystallizer needs to be loosened after the measurement is completed, the crystallizer can be loosened only by controlling the first motor to start reversely through the control component.
The invention also relates to a method for using the continuous casting immersion nozzle insertion depth measuring device, which has the advantages of simple steps, capability of conveniently and rapidly completing measurement of the continuous casting immersion nozzle insertion depth, and capability of solving the technical problems that the conventional measuring device cannot flexibly and accurately measure due to different specifications of a crystallizer and is insufficient in use, and ensuring that the nozzle insertion depth meets the requirement.
The using method of the continuous casting immersion 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 be close to 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, enabling the mounting seat 2 to move downwards, and enabling the mounting seat 2 to drive the measuring rod 6 to move downwards 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 contacts with molten steel to leave marks, the distance L between the marks and the connecting seat 5 is measured, and the total length of the submerged nozzle is subtracted by the distance L, so that the insertion depth of the submerged nozzle is obtained. When measuring, first motor starts to a direction for two fixture blocks are to be close to the direction each other and remove, press from both sides tight crystallizer, and then second motor is to a direction removal, and fixture block and crystallizer relative position are fixed this moment, and the mount pad can be to the crystallizer downwardly moving, thereby drive the measuring stick and remove down, insert in the molten steel, until connecting seat 5 is parallel with the upper surface of immersion nozzle, then, second motor rotates to another direction, drive the measuring stick and remove up, then first motor rotates to another direction, drive two fixture blocks and remove to keeping away from the direction each other, thereby loosen the crystallizer.
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 thread bush 33 through thread transmission, the first thread bush 33 drives the clamping blocks 7 through the lifting mechanism 4, and the two clamping blocks 7 are mutually close to each other to clamp the crystallizer due to opposite rotation directions of threads at two ends of the screw rod 32. 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 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 the threaded transmission with the second bevel gear 47, and the threaded column 46 enters the inside of the movable column 49 through the threaded transmission with the second thread sleeve 48 because the clamping block 7 is fixed with the crystallizer at the moment. The structure is characterized in that the first motor and the second motor are respectively connected with the control part, so that the first motor and the second motor start and stop and rotate 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 be downward, and the mounting seat 2 drives the measuring rod 6 to be downward through the connecting seat 5 until the connecting seat 5 is parallel to the upper surface of the submerged nozzle.
The second motor 41 is reversely started to enable the measuring rod 6 to move upwards, and the bottom of the measuring rod 6 is contacted with molten steel to leave marks, at the moment, the distance between the marks and the connecting seat 5 is measured, and the total length of the submerged nozzle is subtracted by the distance L to obtain the insertion depth of the submerged nozzle.
The invention provides a device for measuring the insertion depth of a continuous casting immersion nozzle and a use method thereof, which is convenient for installing the device on crystallizers with different specifications by arranging an adjusting mechanism, a lifting mechanism and a clamping block, can adjust the insertion depth of a measuring rod into the immersion nozzle, and then measures the insertion depth of the immersion nozzle by using the measuring rod, thereby being very convenient to use. When measuring, the using method of the continuous casting immersion nozzle insertion depth measuring device comprises the following steps: starting a first motor of the adjusting mechanism, controlling the two clamping blocks to be close to each other, and clamping the crystallizer; starting a second motor of the lifting mechanism, fixing the two clamping blocks with the crystallizer, enabling the mounting seat to move downwards, and enabling the mounting seat to drive the measuring rod to move downwards until the connecting seat is parallel to the upper surface of the immersed nozzle; a second motor of the lifting mechanism is reversely started to drive the measuring rod to move upwards; and the bottom of the measuring rod is contacted with molten steel to leave marks, at the moment, the distance L between the marks and the connecting seat is measured, and the total length of the submerged nozzle is subtracted by the distance L to obtain the insertion depth of the submerged nozzle. The continuous casting immersion nozzle insertion depth measuring device and the use method thereof can conveniently and rapidly finish measuring the continuous casting immersion nozzle insertion depth, solve the technical problems that the existing measuring device cannot flexibly and accurately measure due to different specifications of a crystallizer and has insufficient use and ensure that the nozzle insertion depth meets the requirement.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the invention is not limited by the foregoing, but rather is within the scope of the invention as long as various modifications are made by the method concept and technical scheme of the invention, or the concept and technical scheme of the invention are directly applied to other occasions without modification.
Claims (9)
1. The utility model provides a continuous casting immersion nozzle inserts degree of depth measuring device which characterized in that: including mount pad (2), install adjustment mechanism (3) and elevating system (4) on mount pad (2), adjustment mechanism (3) include first motor (31), lead screw (32) are connected to first motor (31), first screw thread cover (33) are connected through screw thread portion respectively at lead screw (32) both ends, screw thread portion at lead screw (32) both ends revolves to opposite directions, elevating system (4) include second motor (41), spline pole (42) are connected to second motor (41), sliding sleeve shell (43) on spline pole (42), every first screw thread cover (33) fixed connection casing (43), inside rotation of shell (43) connects spline cover (44), spline cover (44) are slided and are cup jointed on spline pole (42), fixed sleeve connects first bevel gear (45) on spline cover (44), screw thread post (46) are connected in the rotation of shell (43), screw thread post (46) insert inside and connect second bevel gear (47) in the screw thread post (46), install movable fixture block (49) on second screw thread cover (48) and install two opposite screw thread posts (49), the first bevel gear (45) is meshed with the second bevel gear (47) for transmission, and a measuring rod (6) is arranged at the bottom of the mounting seat (2);
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);
when measuring, the using method of the continuous casting immersion nozzle insertion depth measuring device comprises the following steps: starting a first motor (31) of the adjusting mechanism (3), controlling two clamping blocks (7) to be close to each other, and clamping the crystallizer; starting a second motor (41) of the lifting mechanism (4), fixing two clamping blocks (7) with the crystallizer, enabling the mounting seat (2) to move downwards, and enabling the mounting seat (2) to drive the measuring rod (6) to move downwards until the connecting seat (5) is parallel to the upper surface of the submerged nozzle; a second motor (41) of the lifting mechanism is reversely started to drive the measuring rod (6) to move upwards; the bottom of the measuring rod (6) is contacted with molten steel to leave marks, at the moment, the distance L between the marks and the connecting seat (5) is measured, and the total length of the submerged nozzle is subtracted by the distance L to obtain the insertion depth of the submerged nozzle.
2. The continuous casting submerged entry nozzle insertion depth measuring apparatus according to claim 1, wherein: the first motor (31) of the adjusting mechanism (3) is arranged on the side surface of the mounting seat (2), and the second motor (41) of the lifting mechanism (4) is arranged on the side surface of the mounting seat (2).
3. The continuous casting submerged nozzle insertion depth measuring apparatus according to claim 1 or 2, characterized in that: the output shaft of the first motor (31) is inserted into the mounting seat (2) and connected with the screw rod (32), and the output shaft of the second motor (41) is inserted into the mounting seat (2) and connected with the spline rod (42).
4. The continuous casting submerged nozzle insertion depth measuring apparatus 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 thread sleeve (33) through thread transmission, the first thread sleeve (33) drives the two clamping blocks (7) through the lifting mechanism (4), the threads at two ends of the screw rod (32) are opposite in rotation direction, and the two clamping blocks (7) are mutually close to clamp the crystallizer.
5. A method of using a continuous casting submerged entry nozzle insertion depth measuring device according to any one of claims 1 to 4, characterized in that: the using method of the continuous casting immersion 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 be close to 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, enabling the mounting seat (2) to move downwards, and enabling the mounting seat (2) to drive the measuring rod (6) to move downwards 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 molten steel to leave marks, the distance L between the marks and the connecting seat (5) is measured, and the total length of the submerged nozzle is subtracted by the distance L, so that the insertion depth of the submerged nozzle is obtained.
6. The method for using a continuous casting submerged entry nozzle insertion depth measuring apparatus according to claim 5, wherein: when the inlet of the crystallizer is placed between two clamping blocks (7), a first motor (31) is started, an output shaft of the first motor (31) drives a screw rod (32) to rotate, the screw rod (32) drives a first thread bush (33) through thread transmission, the first thread bush (33) drives the clamping blocks (7) through a lifting mechanism (4), and the two clamping blocks (7) are close to each other due to opposite rotation directions of threads at two ends of the screw rod (32) so as to clamp the crystallizer.
7. The method of using a continuous casting submerged entry nozzle insertion depth measuring apparatus according to claim 6, wherein: the second motor (41) is started, the spline rod (42) is driven by the output shaft of the second motor (41) to rotate, the spline sleeve (44) is driven by the spline rod (42), the first bevel gear (45) is driven by the spline rod (42) to rotate, the first bevel gear (45) drives the threaded column (46) to rotate through the threaded transmission with the second bevel gear (47), and the threaded column (46) enters the movable column (49) through the threaded transmission with the second threaded sleeve (48) because the clamping block (7) is fixed with the crystallizer at the moment.
8. The method of using a continuous casting submerged entry nozzle insertion depth measuring apparatus according to claim 7, wherein: 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 be downward, and the mounting seat (2) drives the measuring rod (6) to be downward through the connecting seat (5) until the connecting seat (5) is parallel to the upper surface of the submerged nozzle.
9. The method of using a continuous casting submerged entry nozzle insertion depth measuring apparatus according to claim 8, wherein: and the second motor (41) is reversely started to enable the measuring rod (6) to move upwards, and the bottom of the measuring rod (6) is contacted with molten steel to leave marks, so that the distance between the marks and the connecting seat (5) is measured, and the total length of the submerged nozzle is subtracted by the distance L 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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| JPH08122124A (en) * | 1994-10-25 | 1996-05-17 | Nittetsu Elex Co Ltd | Apparatus for measuring surface level of molten metal |
| JPH10258392A (en) * | 1997-03-17 | 1998-09-29 | Nippon Steel Corp | Centering and marking equipment for steel pipe lagging |
| 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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| CN208945121U (en) * | 2018-10-26 | 2019-06-07 | 本钢板材股份有限公司 | A kind of device measuring continuous casting sprue insertion depth and liquid slag layer thickness |
| 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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| CN214793363U (en) * | 2021-06-18 | 2021-11-19 | 上海摩点智能科技有限公司 | Wireless transmission liquid level measurement device |
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