Roll gap measuring instrument and split type continuous casting machine online roll gap measuring device

Abstract

The invention discloses a roll gap measuring instrument and a split type continuous casting machine online roll gap measuring device. The technical problem that an existing roll gap measuring instrument can only move in the single direction for measurement is solved. The roll gap measuring instrument comprises a box body, a roll gap detection structure and a roll gap measuring structure. The roll gap detection structure comprises a swing arm, a first elastic piece and a shifting block. The first end of the swing arm extends out of the box body, the shifting block is installed at the second end of the swing arm, and the first elastic piece is used for driving the swing arm to rotate to the initial position relative to the box body. The roll gap measuring structure comprises a first detector and a detection piece. The detection piece is in sliding fit with the first detector, and when the swing arm drives the shifting block to swing, the shifting block drives the detection piece to move. According to the roll gap measuring instrument disclosed by the invention, the compact box body and the innovative roll gap detection structure are designed, so that the measuring instrument can greatly reduce the equipment size while keeping the measuring precision, is convenient to carry and mount, and is particularly suitable for a working environment with limited space.

Description

Technical Field

[0001] The present application belongs to the technical field of roll gap measurement, and specifically relates to a roll gap measuring instrument and an online roll gap measuring device for a split-type continuous casting machine. Background Art

[0002] Ingots are produced by slab continuous casting machines, and their dimensional accuracy and product performance are guaranteed by the gap between the caster rolls. Therefore, the level of roll gap control is crucial to the quality of the ingots, and all manufacturers prioritize roll gap control. Poor control of the transverse roll gap of the continuous casting machine can result in serious defects such as wedge-shaped ingots, bulging ingots, and even breakouts, resulting in significant quality losses. Improper roll rotation in the continuous casting machine, resulting in noticeable wrinkling or dead rolls, can severely scratch the surface of the ingot, causing defects such as banding in downstream processes. Roll gap meters, specialized equipment for continuous casting roll gap detection, are widely used by various companies.

[0003] The existing roll gap meter is large in size and is not convenient for realizing multi-point roll gap measurement. Summary of the Invention

[0004] In order to solve the above technical problems, the present application provides a roll gap measuring instrument and an online roll gap measuring device for a split continuous casting machine.

[0005] The technical solution adopted to achieve the purpose of this application is as follows: In a first aspect of this application, the present invention discloses a roll gap measuring instrument, comprising:

[0006] Box;

[0007] A roll gap detection structure, comprising a swing arm, a first elastic member, and a shift block; the middle portion of the swing arm is rotatably connected to the box; the first end of the swing arm extends outside the box; the two ends of the first elastic member act on the box and the swing arm, respectively; the first elastic member is used to drive the swing arm to rotate to an initial position relative to the box; and the shift block is mounted on the second end of the swing arm; and

[0008] a roll gap measuring structure, the roll gap measuring structure comprising a first detector and a detecting member, the first detector being mounted on the housing, the detecting member being in sliding engagement with the first detector, and the detecting member being located on a moving path of the shifting block;

[0009] When the swing arm contacts the roller to be measured, the roller to be measured pushes the swing arm to swing and causes the swing arm to deviate from the initial position. When the swing arm drives the shift block to swing, the shift block drives the detection member to move. The first detector is used to measure the moving distance of the detection member. The swing amplitude of the swing arm is calculated according to the moving distance of the detection member, and the roller gap between the rollers to be measured is obtained.

[0010] In some embodiments, the roll gap measurement structure further includes a second elastic member, both ends of which act on the first detector and the detection member respectively, and the second elastic member is used to drive the detection member to move in a direction away from the first detector.

[0011] In some embodiments, the roll gap measurement structure further includes a connecting rod, both ends of which are respectively connected to the first detector and the detection member, and the second elastic member is sleeved outside the connecting rod.

[0012] In some embodiments, two roll gap detection structures are provided, and the two roll gap detection structures are symmetrically arranged along the box body so that the first ends of the two swing arms respectively extend to the outside of two opposite side walls of the box body;

[0013] The roll gap measuring structures are provided in two, and the two roll gap measuring structures are provided in a one-to-one correspondence with the two roll gap detecting structures.

[0014] In some embodiments, the roller gap detection structure further includes a first roller and a second roller, wherein the first roller is mounted on the first end of the swing arm, and the second roller is mounted on the shift block.

[0015] In some embodiments, an isolation wall is provided in the box body, and a mounting hole and a swing hole are provided on the isolation wall. The swing arm and the detection member are respectively located on both sides of the isolation wall. The rotating shaft of the swing arm rotates with the mounting hole. The swing hole is arc-shaped, and the shape of the swing hole is adapted to the swing path of the shift block. The shift block passes through the isolation wall from the swing hole.

[0016] The technical solution adopted to achieve the purpose of this application is that, in the second aspect of this application, the present invention also discloses an online roll gap measuring device for a split continuous casting machine, comprising a connecting rod and at least two roll gap measuring instruments described in the first aspect above, and each of the roll gap measuring instruments is arranged at intervals along the length direction of the connecting rod.

[0017] In some embodiments, a roller rotation detection structure is further included, and the roller rotation detection structure is installed on at least one of the roller gap measuring instruments.

[0018] In some embodiments, the roller rotation detection structure includes:

[0019] A sliding frame, wherein the sliding frame is in sliding engagement with the box body;

[0020] a third elastic member, two ends of which act on the box body and the sliding frame respectively, and the third elastic member is used to drive the sliding frame to slide toward the outside of the box body;

[0021] a second detector mounted on the sliding frame; and

[0022] a contact wheel connected to an output end of the second detector;

[0023] Wherein, when the contact wheel contacts the roller to be measured, the second detector can measure the torque of the contact wheel.

[0024] In some embodiments, connecting plates are respectively provided at both ends of the connecting rod, and each of the roll gap measuring instruments is located between the two connecting plates.

[0025] It can be seen from the above technical solution that the online roll gap measuring device of the split continuous casting machine disclosed in the present application includes a box body, a roll gap detection structure, and a roll gap measuring structure. The roll gap detection structure includes a swing arm, a first elastic member, and a shift block. The middle part of the swing arm is rotatably connected to the box body, and the first end of the swing arm extends outside the box body. The two ends of the first elastic member act on the box body and the swing arm respectively, and the first elastic member is used to drive the swing arm to rotate to the initial position relative to the box body. The shift block is installed at the second end of the swing arm. The roll gap measuring structure includes a first detector and a detection member. The first detector is installed in the box body, the detection member is slidably matched with the first detector, and the detection member is located on the moving path of the shift block. When the swing arm contacts the roller to be measured, the roller to be measured pushes the swing arm to swing and causes the swing arm to deviate from the initial position. When the swing arm drives the shift block to swing, the shift block drives the detection member to move. The first detector is used to measure the moving distance of the detection member. The swing amplitude of the swing arm is calculated according to the moving distance of the detection member, and then the roller gap between the rollers to be measured is obtained.

[0026] The roll gap measuring instrument disclosed in the present application has a compact housing and an innovative roll gap detection structure. The measuring instrument can significantly reduce the size of the device while maintaining measurement accuracy, making it easy to carry and install, and is particularly suitable for working environments with limited space. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to enable those skilled in the art to understand the present application more clearly, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of this application.

[0028] Figure 1 A schematic diagram of a roll gap measuring instrument in one or more embodiments of the present application;

[0029] Figure 2 for Figure 1 Internal schematic diagram of the middle roll gap measuring instrument;

[0030] Figure 3 for Figure 1 Schematic diagram of the coordination between the middle roll gap detection structure and the roll gap measurement structure;

[0031] Figure 4 for Figure 1 Schematic diagram of the middle roll gap detection structure;

[0032] Figure 5 for Figure 1 Schematic diagram of the middle roll gap measurement structure;

[0033] Figure 6 for Figure 1 Schematic diagram of the middle box;

[0034] Figure 7 for Figure 1 Schematic diagram of the middle partition wall;

[0035] Figure 8 A schematic diagram of an online roll gap measurement device for a split-type continuous casting machine in one or more embodiments of the present application;

[0036] Figure 9 for Figure 8 Schematic diagram of the middle roller rotation detection structure.

[0037] Description of reference numerals:

[0038] 1000-roller gap measuring instrument, 100-box, 110-partition wall, 111-mounting hole, 112-swing hole, 200-roller gap detection structure, 210-swing arm, 220-shift block, 230-first roller, 240-second roller, 300-roller gap measuring structure, 310-first detector, 320-detection member, 330-connecting rod, 2000-connecting rod, 3000-roller rotation detection structure, 3100-sliding frame, 3200-third elastic member, 3300-second detector, 3400-contact wheel, 4000-connecting plate. DETAILED DESCRIPTION

[0039] In order to enable those skilled in the art to understand the present application more clearly, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of this application.

[0040] In addition, this application may repeat reference numbers and / or reference letters in different examples. This repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, this application provides examples of various specific processes and materials, but those of ordinary skill in the art will recognize the application of other processes and / or the use of other materials.

[0041] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0042] The embodiment of the present invention discloses a roll gap measuring instrument 1000, which can solve the technical problem that the existing roll gap instrument can only move in a single direction for measurement, thereby broadening the scope of use of the roll gap instrument.

[0043] The technical solution of this application is described in detail below through specific embodiments:

[0044] See Figure 1 、 Figure 2 、 Figure 3 and Figure 4In the first embodiment of the present application, a roll gap measuring instrument 1000 is provided, which includes a housing 100, a roll gap detection structure 200, and a roll gap measuring structure 300. The roll gap detection structure 200 includes a swing arm 210, a first elastic member (not shown in the figure), and a shift block 220. The middle part of the swing arm 210 is rotatably connected to the housing 100, and the first end of the swing arm 210 extends outside the housing 100. The two ends of the first elastic member act on the housing 100 and the swing arm 210 respectively, and the first elastic member is used to drive the swing arm 210 to rotate to an initial position relative to the housing 100. The shift block 220 is installed at the second end of the swing arm 210. The roll gap measuring structure 300 includes a first detector 310 and a detection member 320. The first detector 310 is installed on the housing 100, the detection member 320 is slidably matched with the first detector 310, and the detection member 320 is located on the moving path of the shift block 220. When the swing arm 210 contacts the roller to be measured, the roller to be measured pushes the swing arm 210 to swing and causes the swing arm 210 to deviate from the initial position. When the swing arm 210 drives the shift block 220 to swing, the shift block 220 drives the detection member 320 to move. The first detector 310 is used to measure the movement distance of the detection member 320. The swing amplitude of the swing arm 210 is calculated based on the movement distance of the detection member 320, and then the roller gap between the rollers to be measured is obtained (the distance between the rotation axis and the end of the swing arm 210 is a fixed value. Therefore, the swing angle of the swing arm 210 can be calculated by the movement distance of the end of the swing arm 210. Similarly, the distance between the other end of the swing arm 210 and the rotation axis is also a fixed value. The movement distance of the end of the swing arm 210 in contact with the roller to be measured can be calculated based on the swing angle of the swing arm 210, thereby obtaining the movement distance of the roller to be measured. Combined with the movement distance of the relative roller to be measured measured on the other side, the size of the roller gap can be obtained).

[0045] The housing 100 serves as the main structure of the measuring instrument and is used to install and fix other components. The middle part of the swing arm 210 is rotatably connected to the housing 100, and the first end of the swing arm 210 extends outside the housing 100 so as to contact the roller to be measured. The two ends of the first elastic member act on the housing 100 and the swing arm 210 respectively, and are used to drive the swing arm 210 to rotate to a preset initial position relative to the housing 100 when no external force is applied. The shift block 220 is installed at the second end of the swing arm 210 and moves with the swing of the swing arm 210. The first detector 310 is installed on the housing 100 and is used to receive and process measurement signals. The detection member 320 is slidably matched with the first detector 310 and is located on the moving path of the shift block 220.

[0046] The first elastic member may be a torsion spring, or may be springs respectively provided on both sides of the swing arm 210 .

[0047] Working Principle: During measurement, when the roller to be measured contacts the first end of the swing arm 210, the movable swing arm 210 is squeezed and swung about its axis of rotation, causing the swing arm 210 to deviate from its initial position. This swinging of the swing arm 210 moves the shifting block 220, which in turn pushes the probe 320 to slide relative to the first detector 310. The first detector 310 measures the distance traveled by the probe 320, and this distance is used to calculate the swing amplitude of the swing arm 210. Because the swing amplitude of the swing arm 210 is correlated with the size of the roller gap, the precise value of the roller gap can be calculated.

[0048] The roll gap measuring instrument 1000 disclosed in this embodiment has a compact structure, greatly reduces the size of the equipment while maintaining measurement accuracy, is easy to carry and install, and can measure the size of the roll gap in real time and feed back the measurement results to the control system, thereby realizing real-time monitoring and adjustment of the working status of the continuous casting machine. Through the cooperation of the swing arm 210, the shift block 220 and the detection member 320, accurate measurement of the roll gap is achieved.

[0049] In one embodiment, the roller gap measurement structure 300 further includes a second elastic member (not shown in the figure), the two ends of which act on the first detector 310 and the detection member 320 respectively, and the second elastic member is used to drive the detection member 320 to move in a direction away from the first detector 310.

[0050] The addition of a second elastic member further enhances measurement stability and accuracy. It ensures that the probe 320 maintains close contact with the shift block 220 throughout the measurement process, ensuring measurement continuity and accuracy even when the shift block 220 is subjected to external forces, causing rapid movement or slight vibrations. Because the second elastic member provides a certain degree of elasticity and cushioning, it enables the measuring instrument to better adapt to varying working environments and measurement conditions. For example, if the roller surface is uneven or there are slight vibrations, the second elastic member can absorb these interference factors, ensuring measurement accuracy.

[0051] See Figure 3 and Figure 5 In one embodiment, the roll gap measurement structure 300 further includes a connecting rod 330 . Both ends of the connecting rod 330 are connected to the first detector 310 and the detecting member 320 , respectively. The second elastic member is sleeved on the connecting rod 330 .

[0052] The connecting rod 330 slidably engages the first detector 310 to move along the measuring direction of the first detector 310 during measurement. The two ends of the second elastic member act on the first detector 310 and the detecting member 320 respectively to drive the detecting member 320 toward the shifting block 220, ensuring that the detecting member 320 and the shifting block 220 always maintain close contact.

[0053] Based on the above reasons, in one embodiment, this implementation provides two roll gap detection structures 200. The two roll gap detection structures 200 are symmetrically arranged along the box body 100 so that the first ends of the two swing arms 210 extend outside the two opposite side walls of the box body 100. Two roll gap measurement structures 300 are provided, and the two roll gap measurement structures 300 are arranged in a one-to-one correspondence with the two roll gap detection structures 200. This embodiment provides two independent and symmetrical roll gap detection structures 200 for measuring the roll gaps of the inner and outer arc rollers to be measured. This ensures that each roll gap detection structure 200 can obtain the characteristic points of the roller to be measured and thus calculate the roll gap. This allows accurate roll gap acquisition even when the inner and outer arc rollers are measured asynchronously (the characteristic points of the inner and outer arcs are not obtained simultaneously), thereby improving measurement accuracy.

[0054] The two roll gap detection structures work independently, and each measures the displacement of a roll to be measured in the roll gap direction. Since the distance between the ends of the two roll gap detection structures 200 is a fixed value, the inward pressing amount of the roll gap detection structure 200 after contacting the roll to be measured is the displacement of the roll to be measured in the roll gap direction. Therefore, the roll gap value can be obtained by subtracting the inward pressing amount of the two roll gap detection structures 200 after contacting the roll to be measured from the distance between the ends of the two roll gap detection structures 200. The measured values ​​are all obtained along the roll gap direction, so the calculated roll gap data is more accurate and reliable.

[0055] The symmetrical arrangement of two roll gap detection structures 200 and a corresponding roll gap measurement structure 300 enables precise measurement of the roll gap between the two rollers. The first elastic member ensures that the swing arm 210 automatically returns to its initial position when no external force is applied, while the second elastic member ensures that the detection member 320 maintains close contact with the swing arm 210, thereby improving measurement stability and accuracy.

[0056] In one embodiment, the roller gap detection structure 200 further includes a first roller 230 and a second roller 240 . The first roller 230 is mounted on the first end of the swing arm 210 , and the second roller 240 is mounted on the shift block 220 .

[0057] By providing the first roller 230, the friction between the swing arm 210 and the roller to be measured can be converted into sliding friction, which can effectively reduce the friction between the first roller 230 and the roller to be measured. On the one hand, it can avoid scratching the roller to be measured. On the other hand, it can also make the swing of the swing arm 210 smoother, thereby making the measurement result more accurate.

[0058] By providing the second roller 240, sliding friction between the shift block 220 and the detection member 320 can be avoided, thereby reducing the force between the swing arm 210 and the roller to be measured, thereby avoiding damage to the roller to be measured and making the swing arm 210 swing more smoothly.

[0059] See Figure 2 、 Figure 6 and Figure 7 In one embodiment, a partition wall 110 is disposed within the housing 100, and is provided with a mounting hole 111 and a swing hole 112. A swing arm 210 and a probe 320 are located on either side of the partition wall 110, respectively. The swing arm 210's rotational axis rotates in engagement with the mounting hole 111. The swing hole 112 is arc-shaped, its shape aligning with the swing path of the shift block 220. The shift block 220 passes through the partition wall 110 through the swing hole 112.

[0060] Mounting hole 111 provides a precise rotational fit for the pivot axis of swing arm 210, ensuring smooth and accurate rotation of swing arm 210. Swing hole 112 is arc-shaped, aligning with the swing path of shift block 220, allowing shift block 220 to swing freely within a defined range while preventing it from exceeding the set range.

[0061] On the one hand, the isolation wall 110 can prevent impurities such as sludge and residue from entering the cavity where the roll gap measuring structure 300 is installed. On the other hand, the isolation wall 110 can also support the top and bottom walls of the box body 100. In addition, arranging the swing arm 210 and the detection member 320 on both sides of the isolation wall 110 can prevent the swinging of the swing arm 210 and the sliding of the detection member 320 from affecting each other, thereby allowing the roll gap measuring instrument 1000 to work normally for a long time.

[0062] Through the above embodiments, the present application has the following beneficial effects or advantages: the roll gap measuring instrument disclosed in the present application has a compact structure, greatly reduces the size of the equipment while maintaining measurement accuracy, is easy to carry and install, and is particularly suitable for work environments with limited space. Through the cooperation of the swing arm 210, the shift block 220 and the detection member 320, accurate measurement of the roll gap is achieved. The setting of the first elastic member and the second elastic member ensures the stability and accuracy of the measurement. The roll gap measuring instrument 1000 can measure the size of the roll gap in real time and feed back the measurement results to the control system, realizing real-time monitoring and adjustment of the working status of the continuous casting machine. The two roll gap detection structures work independently, each measuring the vertical displacement of a roll to be measured, and then the roll gap is calculated by combining the displacements of the two rolls to be measured. The roll gap data obtained by this measurement and calculation method is more accurate and reliable.

[0063] See Figure 8 and Figure 9 Based on the same inventive concept, the second embodiment of the present application discloses an online roll gap measuring device for a split continuous casting machine, comprising a connecting rod 2000 and at least two roll gap measuring instruments 1000 of any embodiment of the first aspect mentioned above, and each roll gap measuring instrument 1000 is arranged at intervals along the length direction of the connecting rod 2000.

[0064] The connecting rod 2000 serves as a supporting and connecting component of the entire measuring device. Its main function is to fix and support each roll gap measuring instrument 1000, ensuring that they can be spaced along the length direction of the connecting rod 2000, thereby forming a comprehensive measurement of the roll gap of the continuous casting machine.

[0065] During the measurement process, the split-type continuous casting machine online roll gap measurement device continuously measures the roll gap of the continuous casting machine using multiple roll gap measuring instruments 1000 on the connecting rod 2000. The measurement data is transmitted wirelessly or wired to a computer system for storage and analysis. After receiving the measurement data, the computer system can perform real-time processing and analysis, generating roll gap variation curves and alarm information, helping operators to promptly detect and adjust roll gap deviations, ensuring the normal operation of the continuous casting machine and the quality of the cast strands.

[0066] The split-type continuous casting machine online roll gap measuring device disclosed in this embodiment has a flexible split structure and can be arranged according to the measurement point requirements. The control system has the data measurement and recording functions of multiple sub-machines, which is convenient for multi-point detection, and spare parts replacement is convenient and fast. The sub-machine modules can be quickly replaced and easy to maintain.

[0067] In one embodiment, the split-type continuous casting machine online roll gap measurement device also includes a roll rotation detection structure 3000, installed on at least one roll gap measuring instrument 1000. This structure is used to detect whether the roll being measured is rotating normally, ensuring the proper operation of the continuous casting machine. This enables online, continuous measurement of the continuous casting machine roll gap and real-time monitoring of roll rotation. This design not only improves measurement efficiency, but also ensures the accuracy and real-time nature of the measurement data, while also enabling monitoring of the roller's operating status.

[0068] See Figure 8 In this embodiment, the roller rotation detection structure 3000 is installed only in the roller gap measuring instrument 1000 in the middle position, but in other embodiments, it is also possible to set a roller rotation detection structure 3000 on the side roller gap measuring instrument 1000 or on each roller gap measuring instrument 1000.

[0069] The roll gap measuring instrument 1000 equipped with a control system and power supply system is generally referred to as a master roll gap measuring instrument. Therefore, the master roll gap measuring instrument is typically larger. The other roll gap measuring instruments 1000 are referred to as slave roll gap measuring instruments. These slave roll gap measuring instruments lack these systems and are therefore smaller. In addition to being equipped with a control system and power supply system, the master roll gap measuring instrument can also incorporate the roll rotation detection mechanism 3000. When connecting multiple roll gap measuring instruments 1000 in series, one master roll gap measuring instrument is typically used with multiple slave roll gap measuring instruments, achieving ease of installation and a greater number of measurement points.

[0070] In one embodiment, the roller rotation detection structures 3000 are arranged in pairs, and the installation directions of the two roller rotation detection structures 3000 are opposite, that is, if the output end of one roller rotation detection structure 3000 is set upward, the output end of the other roller rotation detection structure 3000 is set downward, so that the rollers to be measured on the upper and lower sides can be detected at the same time.

[0071] In one embodiment, the roller rotation detection structure 3000 is disposed in a housing 100 of the roller gap detector. The housing 100 of the roller gap detector can protect the roller rotation detection structure 3000.

[0072] In one embodiment, the roller rotation detection structure 3000 includes a sliding frame 3100, a third elastic member 3200, a second detector 3300, and a contact wheel 3400. The sliding frame 3100 is in sliding engagement with the housing 100. The ends of the third elastic member act on the housing 100 and the sliding frame 3100, respectively. The third elastic member 3200 is used to drive the sliding frame 3100 to slide out of the housing 100. The second detector 3300 is mounted on the sliding frame 3100. The contact wheel 3400 is connected to the output end of the second detector 3300.

[0073] When the contact wheel 3400 contacts the roller to be measured, the second detector 3300 can measure the torque of the contact wheel 3400. When the torque value measured by the second detector 3300 is small, it indicates that the roller to be measured is rotating normally. When the torque value measured by the second detector 3300 is large, it indicates that the rotation of the roller to be measured is affected to a certain extent. Because the roller to be measured cannot rotate normally, when the contact wheel 3400 passes the roller to be measured, there is a large friction between the contact wheel 3400 and the roller to be measured, resulting in a large torque generated by the contact wheel 3400.

[0074] When the roller rotation detection mechanism 3000 is operating, the sliding frame 3100, under the action of the third elastic member 3200, slides toward the outside of the housing 100, bringing the contact wheel 3400 into close contact with the roller to be measured. When the roller rotation detection mechanism 3000 passes the active drive roller, the active drive roller causes the third elastic member 3200 to contract, returning the roller drive detection mechanism 3000 to the inside of the housing 100, preventing damage to the roller rotation detection mechanism 3000.

[0075] In one embodiment, connecting plates 4000 are provided at both ends of the connecting rod 2000, and each roll gap measuring instrument 1000 is located between the two connecting plates 4000. The connecting plates 4000 are mainly used to connect to the dummy bar, while also protecting the connecting rod 2000 and the roll gap measuring instrument 1000 from external environmental influences, thereby ensuring the stability and accuracy of the measuring device.

[0076] During the operation of the continuous casting machine, various objects or impurities may be encountered, which may collide with the connecting rod 2000 or the roll gap measuring instrument 1000. The presence of the connecting plate 4000 can effectively prevent these collisions and protect the measuring device from damage.

[0077] The working environment of the continuous casting machine is usually at a high temperature. The connecting plate 4000 can isolate part of the high temperature and prevent the connecting rod 2000 and the roll gap measuring instrument 1000 from being deformed or failing due to heat.

[0078] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention are clearly and completely described above in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0079] Therefore, the above detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0080] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0081] In the description of the present invention, it should be understood that the terms indicating orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0082] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0083] In the present invention, unless otherwise expressly specified or limited, a first feature being above or below a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being above, above, and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being below, below, and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0084] Although the preferred embodiments of the present application have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present application.

[0085] Obviously, those skilled in the art may make various changes and modifications to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalents, this application is intended to include these modifications and variations.

Claims

1. A roll gap measuring instrument, characterized in that: include: Box; A roll gap detection structure, comprising a swing arm, a first elastic member, and a shift block. The middle portion of the swing arm is rotatably connected to the box body, and the first end of the swing arm extends outside the box body. The two ends of the first elastic member act on the box body and the swing arm, respectively. The first elastic member is used to drive the swing arm to rotate to an initial position relative to the box body. The shift block is mounted on the second end of the swing arm. as well as a roll gap measuring structure, the roll gap measuring structure comprising a first detector and a detecting member, the first detector being mounted on the housing, the detecting member being in sliding engagement with the first detector, and the detecting member being located on a moving path of the shifting block; When the swing arm contacts the roller to be measured, the roller to be measured pushes the swing arm to swing and causes the swing arm to deviate from the initial position. When the swing arm drives the shift block to swing, the shift block drives the detection member to move. The first detector is used to measure the moving distance of the detection member. The swing amplitude of the swing arm is calculated according to the moving distance of the detection member, and the roller gap between the rollers to be measured is obtained.

2. The roll gap measuring instrument according to claim 1, characterized in that: The roll gap measurement structure further includes a second elastic member, two ends of which act on the first detector and the detection member respectively, and the second elastic member is used to drive the detection member to move in a direction away from the first detector.

3. The roll gap measuring instrument according to claim 2, characterized in that: The roll gap measurement structure further includes a connecting rod, two ends of which are respectively connected to the first detector and the detection member, and the second elastic member is sleeved outside the connecting rod.

4. The roll gap measuring instrument according to claim 1, characterized in that: There are two roll gap detection structures, and the two roll gap detection structures are symmetrically arranged along the box body so that the first ends of the two swing arms extend to the outside of two opposite side walls of the box body respectively; The roll gap measuring structures are provided in two, and the two roll gap measuring structures are provided in a one-to-one correspondence with the two roll gap detecting structures.

5. The roll gap measuring instrument according to claim 1, characterized in that: The roller gap detection structure further includes a first roller and a second roller, wherein the first roller is mounted on the first end of the swing arm, and the second roller is mounted on the shift block.

6. The roll gap measuring instrument according to any one of claims 1 to 5, characterized in that: An isolation wall is provided in the box body, and an installation hole and a swing hole are provided on the isolation wall. The swing arm and the detection member are respectively located on both sides of the isolation wall. The rotating shaft of the swing arm rotates in cooperation with the installation hole. The swing hole is arc-shaped, and the shape of the swing hole is adapted to the swing path of the shift block. The shift block passes through the isolation wall from the swing hole.

7. A split-type continuous casting machine online roll gap measuring device, characterized in that: The invention comprises a connecting rod and at least two roll gap measuring instruments according to any one of claims 1 to 6, wherein the roll gap measuring instruments are arranged at intervals along the length direction of the connecting rod.

8. The online roll gap measuring device for a split-type continuous casting machine according to claim 7, characterized in that: It also includes a roller rotation detection structure, which is installed on at least one of the roller gap measuring instruments.

9. The online roll gap measuring device for a split-type continuous casting machine according to claim 8, characterized in that: The roller rotation detection structure includes: A sliding frame, wherein the sliding frame is in sliding engagement with the box body; a third elastic member, two ends of which act on the box body and the sliding frame respectively, and the third elastic member is used to drive the sliding frame to slide toward the outside of the box body; a second detector mounted on the sliding frame; and a contact wheel connected to an output end of the second detector; Wherein, when the contact wheel contacts the roller to be measured, the second detector can measure the torque of the contact wheel.

10. The online roll gap measuring device for a split-type continuous casting machine according to claim 7, characterized in that: Connecting plates are respectively provided at both ends of the connecting rod, and each roll gap measuring instrument is located between the two connecting plates.

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