Steel rolling finished product scale sensor replacing device

By adopting a base plate, sensor, and transmission mechanism design in the finished steel rolling scale, rapid sensor replacement is achieved, solving the production interruption and safety risks caused by sensor damage and improving production efficiency and safety.

CN223856577UActive Publication Date: 2026-01-30ZHONGTIAN IRON & STEEL GRP (NANTONG) CO LTD +1
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Patent Information

Application Number
CN202520525525.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-01-30
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

The sensors of the finished steel rolling scale are easily damaged in ultra-high-speed production lines and extreme environments, leading to inaccurate measurements or malfunction, affecting production and posing safety risks.

Method used

The device includes a base plate, main sensor, backup sensor, transmission mechanism and correction mechanism. The sensor can be replaced by sliding the base plate through a servo motor driven chain. The position of the weighing platform is adjusted by hydraulic push rod and laser positioner to ensure quick replacement and accurate measurement.

Benefits of technology

This enables rapid sensor replacement, reduces production downtime, improves production efficiency, reduces maintenance difficulty and safety risks, and ensures the accuracy and safety of weighing.

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Abstract

The utility model relates to a steel rolling finished product scale sensor replacing device, relates to the technical field of steel rolling production, and aims to solve the problem that the normal production of a workshop is affected due to the long maintenance time of a sensor, the steel rolling finished product scale sensor replacing device comprises a bottom plate arranged below a weighing platform, and the bottom plate is provided with a main sensor and a standby sensor. A transmission mechanism used for driving the bottom plate to move is arranged below the bottom plate and comprises a base plate, a chain, two chain wheels and a servo motor, the base plate is arranged on the ground, the two chain wheels are rotationally connected to the two ends of the base plate in the length direction respectively, the output end of the servo motor is connected to one chain wheel, and the output end of the servo motor is connected to the other chain wheel. The two ends of the chain are meshed with the two chain wheels respectively, the bottom plate is connected to the base plate in a sliding mode, the bottom plate is fixedly connected to a single chain link of the chain, and correction mechanisms used for leveling the weighing platform are arranged on the two sides of the bottom plate. According to the invention, the continuous and accurate operation of the weighing platform is ensured, and the production efficiency of a workshop is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of steel rolling production, in particular to a rolling finished product scale sensor replacement device. BACKGROUND

[0002] The rolling finished product scale is a key equipment for measuring the weight of the finished steel product (such as steel plate, steel coil, profile and the like) after rolling in the steel production process. It ensures the weight accuracy of the finished steel product, and is crucial for the quality control and cost management of the steel enterprise. In each link of the steel production, the rolling finished product scale plays an irreplaceable role and is an important link to ensure production efficiency and product quality.

[0003] However, under the super-high-speed production line and extreme environment (such as high temperature in the hot rolling workshop and oil stain in the cold rolling workshop), the sensor of the rolling finished product scale often faces severe challenges; the sensor is easily damaged after long-term use, resulting in inaccurate measurement or even failure to work, at which time maintenance personnel need to stop the production line for a long time, which not only affects the normal production of the workshop, but also may cause personal injury due to improper operation during the maintenance process, and thus needs to be improved. CONTENT OF THE INVENTION

[0004] In order to solve the problem that the long maintenance time of the sensor affects the normal production of the workshop, the application provides a rolling finished product scale sensor replacement device.

[0005] The rolling finished product scale sensor replacement device provided by the application adopts the following technical scheme:

[0006] A rolling finished product scale sensor replacement device comprises a bottom plate arranged below a weighing scale platform, wherein a main sensor and a backup sensor are respectively arranged on the bottom plate, a transmission mechanism for driving the movement of the bottom plate is arranged below the bottom plate, the transmission mechanism comprises a base plate, a chain, two chain wheels and a servo motor, the base plate is arranged on the ground, the two chain wheels are respectively rotationally connected to the two ends of the base plate in the length direction, the output end of the servo motor is connected to one of the chain wheels, the two ends of the chain are respectively engaged with the two chain wheels, the bottom plate is slidingly connected to the base plate, and the bottom plate is fixedly connected to a single link of the chain, and a correction mechanism for leveling the weighing scale platform is arranged on the two sides of the bottom plate.

[0007] Due to prolonged use, sensors are prone to damage, leading to inaccurate measurements or even malfunction. This necessitates downtime for maintenance personnel to perform lengthy repairs, which not only disrupts normal production in the workshop but also risks personnel injury due to improper operation during the maintenance process. By adopting the above-mentioned technical solution, including a base plate, the main sensor and backup sensor are mounted on the base plate, and the transmission mechanism is mounted at the bottom of the base plate. The transmission mechanism includes a base plate, chain, two sprockets and a servo motor, while the correction mechanism is installed on both sides of the weighing platform.

[0008] When the main sensor is damaged and the weighing platform cannot weigh, the correction mechanism starts to work, checking whether the weighing platform is in the standard state. If a deviation in the position of the weighing platform is detected, the position of the weighing platform is corrected to bring it to the standard state. After the position of the weighing platform is corrected, the preparation stage for replacing the sensor begins. The servo motor starts, driving the sprocket connected to it to rotate. The chain moves accordingly. Since the base plate is fixedly connected to a single link of the chain, the base plate will slide on the base plate. When the base plate slides, it drives the main sensor and the backup sensor on it to move together until the backup sensor replaces the position of the main sensor. The chain stops working, the backup sensor has taken over the work of the main sensor, and the weighing platform resumes normal use, continuing to accurately weigh rolled steel products. When the weighing platform is no longer needed, the main sensor is removed and repaired.

[0009] By incorporating a main sensor, a backup sensor, a transmission mechanism, and a correction mechanism, the backup sensor can quickly take over the work without requiring prolonged maintenance downtime. This ensures the continuous and accurate operation of the weighing platform, significantly reducing production interruptions caused by sensor failures and improving workshop production efficiency. Furthermore, the sensor replacement process is automated, reducing the risks associated with manual operation by maintenance personnel and effectively preventing injuries due to improper handling during maintenance. This enhances workplace safety and simplifies the maintenance process, eliminating the need for complex disassembly and installation, thus reducing maintenance difficulty and costs.

[0010] Optionally, the correction mechanism includes a plurality of hydraulic push rods, which are respectively arranged on both sides of the weighing platform, and the pushing end of any hydraulic push rod is arranged towards the weighing platform.

[0011] By adopting the above technical solution, the correction mechanism includes several hydraulic push rods. With the arrangement of several hydraulic push rods, the hydraulic push rods have precise thrust control and position adjustment capabilities, which can finely adjust the position of the weighing platform to ensure that it reaches the standard state, achieve rapid response, reduce downtime during sensor replacement, and at the same time provide stable and reliable thrust, maintaining stable performance even under long-term or repeated use, which helps to ensure the reliability and durability of the correction mechanism during sensor replacement.

[0012] Optionally, the correction mechanism further includes a plurality of laser positioners, the number of which is the same as the number of hydraulic push rods, with each laser positioner corresponding to a single hydraulic push rod.

[0013] By adopting the above technical solution, the correction mechanism also includes several laser positioners; with the setting of several laser positioners, the laser positioners have extremely high positioning accuracy and can accurately detect the position deviation of the weighing platform. Combined with the precise adjustment capability of the hydraulic push rod, it can realize high-precision correction of the small deviation of the platform position, ensuring that the weighing platform is always in a standard state and improving weighing accuracy.

[0014] Optionally, a sliding groove is formed on the top of the substrate, the sliding groove is formed along the length of the substrate, and a sliding block is provided on the bottom of the base plate, the sliding block being slidably connected within the sliding groove.

[0015] By adopting the above technical solution, the sliding groove is opened on the top of the substrate, and the base plate slides in the sliding groove of the substrate through the sliding block; by setting the sliding groove and the sliding block, the sliding groove provides a precise guide path for the sliding block, ensuring the smoothness and accuracy of the base plate movement, and ensuring that the backup sensor can accurately replace the position of the main sensor.

[0016] Optionally, the bottom of the base plate is further provided with an extension plate, which is arranged in the direction of the chain, and the extension plate is provided with a fixing component for fixing to the chain link.

[0017] By adopting the above technical solution, the extension plate is welded and fixed to the bottom of the base plate, and the extension plate is fixed to the chain links by fixing components. With the setting of the extension plate and fixing components, the presence of the extension plate can effectively prevent the base plate from shaking or shifting during sliding, ensuring the accuracy and reliability of sensor replacement. At the same time, the fixing components on the extension plate make the connection between the base plate and the chain more secure, ensuring that the base plate is tightly connected to the chain during sliding and will not fall off or loosen due to external forces, thereby improving the safety and reliability of the equipment.

[0018] Optionally, limiters for restricting the running position of the base plate are provided on both sides of the base plate.

[0019] By adopting the above technical solution, the limiters are installed on both sides of the substrate. Through the setting of the limiters, the limiters can restrict the running position of the base plate on the substrate, prevent the base plate from exceeding the predetermined range during sliding, and help avoid collision between the base plate and the edge of the substrate or other components, thereby ensuring the safe operation of the equipment.

[0020] Optionally, a plurality of jacks for lifting the weighing platform are provided below the weighing platform, and the plurality of jacks are arranged sequentially and at intervals below the weighing platform.

[0021] By adopting the above technical solution, the jack is installed below the weighing platform. With the jack in place, the weighing platform can be lifted smoothly, so that there is no contact between the sensor and the weighing platform. This contactless replacement method avoids damage caused by friction or collision between the sensor and the weighing platform during the replacement process, and ensures the integrity and accuracy of the sensor.

[0022] Optionally, each of the jacks is provided with a base for installation and fixation, the base being connected to the ground.

[0023] By adopting the above technical solution, the jack is installed on the ground via a base. The base provides a stable support foundation for the jack, enhancing its stability when lifting the weighing platform. This helps ensure safety during sensor replacement and prevents accidents caused by jack instability. At the same time, the base distributes the pressure of the jack on the ground over a larger contact area, reducing the pressure per unit area and thus protecting the ground from damage.

[0024] In summary, this application includes at least one of the following beneficial technical effects:

[0025] With the setup of main sensors, backup sensors, transmission mechanisms, and correction mechanisms, backup sensors can quickly take over the work without requiring long-term maintenance, ensuring the continuous and accurate operation of the weighing platform. This greatly reduces production downtime caused by sensor failures and improves workshop production efficiency. At the same time, the sensor replacement process is automated, reducing the risk of manual operation by maintenance personnel and effectively preventing injuries caused by improper operation during maintenance, thus enhancing workplace safety. Furthermore, the maintenance process is simplified, eliminating the need for complex disassembly and installation, and reducing maintenance difficulty and costs.

[0026] With the addition of several hydraulic push rods, the hydraulic push rods have precise thrust control and position adjustment capabilities, enabling fine adjustment of the weighing platform's position to ensure it reaches the standard state, achieve rapid response, and reduce downtime during sensor replacement. At the same time, the hydraulic push rods provide stable and reliable thrust, maintaining stable performance even under long-term or repeated use, which helps ensure the reliability and durability of the correction mechanism during sensor replacement.

[0027] By using a jack, the weighing platform can be lifted smoothly, ensuring that there is no contact between the sensor and the weighing platform. This contactless replacement method avoids damage caused by friction or collision between the sensor and the weighing platform during the replacement process, thus ensuring the integrity and accuracy of the sensor. Attached Figure Description

[0028] Figure 1 This is a top view of a sensor replacement device for a steel rolling finished product scale according to an embodiment of this application.

[0029] Figure 2 This is a front view of a sensor replacement device for a steel rolling finished product scale according to an embodiment of this application.

[0030] Figure 3 This is a schematic diagram illustrating the transmission mechanism in the embodiments of this application.

[0031] Explanation of reference numerals in the attached drawings: 1. Weighing platform; 2. Base plate; 3. Main sensor; 4. Backup sensor; 5. Transmission mechanism; 51. Base plate; 52. Chain; 53. Sprocket; 54. Servo motor; 6. Correction mechanism; 61. Hydraulic push rod; 62. Laser positioner; 7. Sliding groove; 8. Sliding block; 9. Extension plate; 91. Fixing component; 10. Limiter; 11. Jack; 12. Base. Detailed Implementation

[0032] The following is in conjunction with the appendix Figures 1-3 This application will be described in further detail.

[0033] This application discloses a sensor replacement device for a steel rolling finished product scale. (Refer to...) Figure 1 The sensor replacement device for the steel rolling finished product scale includes a base plate 2. In this embodiment, the base plate 2 is located below the weighing platform 1. There can be multiple base plates 2. Each base plate 2 is equipped with a main sensor 3 and a spare sensor 4. There are two pairs of main sensors 3 and spare sensors 4. The spare sensor 4 replaces the damaged main sensor 3. A transmission mechanism 5 is installed below the base plate 2. The transmission mechanism 5 is used to drive the base plate 2 to move.

[0034] Reference Figure 1A correction mechanism 6 is symmetrically installed on both sides of the weighing platform 1. The correction mechanism 6 includes several hydraulic push rods 61 and several laser positioners 62. In this embodiment, the several hydraulic push rods 61 can be installed on the same frame and are located on different sides of the weighing platform 1. The pushing end of any hydraulic push rod 61 is arranged towards the weighing platform 1. At the same time, the number of laser positioners 62 is the same as the number of hydraulic push rods 61, and each laser positioner 62 corresponds to a single hydraulic push rod 61. The hydraulic push rods 61 have precise thrust control and position adjustment capabilities, and can finely adjust the position of the weighing platform 1. This ensures that the weighing platform 1 reaches its standard state, enabling rapid response and reducing downtime during sensor replacement. The hydraulic push rod 61 provides stable and reliable thrust, maintaining stable performance even under long-term or repeated use. This helps ensure the reliability and durability of the correction mechanism 6 during sensor replacement. Furthermore, the laser positioner 62 has extremely high positioning accuracy, accurately detecting positional deviations of the weighing platform 1. Combined with the precise adjustment capability of the hydraulic push rod 61, it can achieve high-precision correction of minute deviations in the platform's position, ensuring that the weighing platform 1 is always in a standard state and improving weighing accuracy.

[0035] Reference Figure 1 and Figure 2 Several jacks 11 are installed under the weighing platform 1. The jacks 11 are arranged at intervals under the weighing platform 1. The jacks 11 can lift the weighing platform 1 smoothly, so that there is no contact between the sensor and the weighing platform 1. This contactless replacement method avoids damage caused by friction or collision between the sensor and the weighing platform 1 during the replacement process, and ensures the integrity and accuracy of the sensor.

[0036] Reference Figure 1 and Figure 2 Meanwhile, each jack 11 is equipped with a base 12 at its bottom, which is connected to the ground. The base 12 provides a stable support foundation for the jack 11, enhances the stability of the jack 11 when lifting the weighing platform 1, helps to ensure safety during sensor replacement, and prevents accidents caused by the instability of the jack 11. At the same time, the base 12 distributes the pressure of the jack 11 on the ground to a larger contact area, reducing the pressure per unit area, thereby protecting the ground from damage.

[0037] Reference Figure 1 and Figure 3The transmission mechanism 5 includes a base plate 51, a chain 52, two sprockets 53 and a servo motor 54. The base plate 51 is mounted on the ground. The two sprockets 53 are rotatably mounted at both ends of the base plate 51 along its length. The servo motor 54 is mounted on the base plate 51 and can rotate in both directions. The output end of the servo motor 54 is connected to one of the sprockets 53. The two ends of the chain 52 are respectively engaged with the two sprockets 53.

[0038] Reference Figure 1 and Figure 3 An extension plate 9 is welded and fixed to the bottom of the base plate 2. The extension plate 9 is arranged along the length of the chain 52. A fixing component 91 is installed on the extension plate 9. In this embodiment, the fixing component 91 is used to fix the chain link of the chain 52. The fixing component 91 can be a bolt, a buckle, or a pin, etc. The bottom of the base plate 2 is also welded with a triangular rib plate for preventing collapse. The presence of the extension plate 9 can effectively prevent the base plate 2 from shaking or shifting during sliding, ensuring the accuracy and reliability of sensor replacement. At the same time, the fixing component 91 is set on the extension plate 9. This design makes the connection between the base plate 2 and the chain 52 more secure, ensuring that the base plate 2 is tightly connected to the chain 52 during sliding and will not fall off or loosen due to external force, thereby improving the safety and reliability of the equipment.

[0039] Reference Figure 1 and Figure 3 A sliding groove 7 is provided on the top of the substrate 51. The sliding groove 7 is provided along the length of the substrate 51. A sliding block 8 is installed on the bottom of the base plate 2. The sliding block 8 is slidably connected in the sliding groove 7. The sliding groove 7 provides a precise guide path for the sliding block 8, ensuring the smoothness and accuracy of the movement of the base plate 2, and ensuring that the spare sensor 4 can accurately replace the position of the main sensor 3.

[0040] Reference Figure 1 and Figure 3 Limiters 10 are installed on both sides of the substrate 51. The two limiters 10 can limit the running position of the base plate 2 on the substrate 51, prevent the base plate 2 from exceeding the predetermined range during sliding, and help avoid collision between the base plate 2 and the edge of the substrate 51 or other components, thereby ensuring the safe operation of the equipment.

[0041] The implementation principle of the sensor replacement device for a steel rolling finished product scale in this embodiment is as follows: When the main sensor 3 is damaged and the weighing platform 1 cannot weigh, the laser positioner 62 starts working to check whether the weighing platform 1 is in a standard state. If the laser positioner 62 detects a deviation in the position of the weighing platform 1, the hydraulic push rod 61 is activated to push the weighing platform 1 to adjust its position to reach the standard state. After the position of the weighing platform 1 is corrected, the jack 11 is activated to lift the weighing platform 1, so that the main sensor 3 is no longer in contact with the platform, and the device enters the preparation stage for sensor replacement. When machine 54 starts, it drives the sprocket 53 connected to it to rotate, and the chain 52 moves accordingly. Since the base plate 2 is fixedly connected to a single link of the chain 52, the base plate 2 will slide on the base plate 51. When the base plate 2 slides, it drives the main sensor 3 and the backup sensor 4 on it to move together until the backup sensor 4 replaces the position of the main sensor 3. The chain 52 stops working, the backup sensor 4 has taken over the work of the main sensor 3, and the weighing platform 1 resumes normal use and continues to accurately weigh the rolled steel products. When the weighing platform 1 is no longer needed, the main sensor 3 is removed and repaired.

[0042] With the main sensor 3, backup sensor 4, transmission mechanism 5, and correction mechanism 6, backup sensor 4 can quickly take over the work without stopping the platform for long-term maintenance, ensuring the continuous and accurate operation of the weighing platform 1. This greatly reduces production interruption time caused by sensor failure and improves the production efficiency of the workshop. At the same time, the sensor replacement process is realized through mechanical automation, reducing the risk of manual operation by maintenance personnel, effectively avoiding personnel injury caused by improper operation during maintenance, enhancing workplace safety, and simplifying the maintenance process without complicated disassembly and installation, thus reducing maintenance difficulty and cost.

[0043] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A rolling mill product scale sensor replacement device comprising a base plate arranged below a weighing scale table, characterized in that: The main sensor and the standby sensor are arranged on the bottom plate respectively, a transmission mechanism for driving the movement of the bottom plate is arranged below the bottom plate, the transmission mechanism comprises a base plate, a chain, two chain wheels and a servo motor, the base plate is arranged on the ground, the two chain wheels are rotatably connected to the two ends of the base plate in the length direction, the output end of the servo motor is connected to one of the chain wheels, the two ends of the chain are engaged with the two chain wheels respectively, the bottom plate is slidably connected to the base plate, and the bottom plate is fixedly connected to a single link of the chain, and a correcting mechanism for leveling the weighing scale is arranged on the two sides of the bottom plate.

2. A sensor replacement device for a rolling mill product scale according to claim 1, characterized in that: The correcting mechanism comprises a plurality of hydraulic push rods, the plurality of hydraulic push rods are arranged on the two sides of the weighing scale respectively, and the pushing end of any hydraulic push rod is arranged towards the weighing scale.

3. A sensor replacement device for a rolling mill product scale according to claim 2, characterized in that: The correcting mechanism further comprises a plurality of laser positioners, the number of the plurality of laser positioners is consistent with that of the plurality of hydraulic push rods, and each laser positioner corresponds to a single hydraulic push rod.

4. A sensor replacement device for a rolling mill scale meter according to claim 1, characterized in that: A sliding groove is formed in the top of the base plate, the sliding groove is formed in the length direction of the base plate, a sliding block is arranged on the bottom of the bottom plate, and the sliding block is slidably connected in the sliding groove.

5. A sensor replacement device for a rolling mill product scale according to claim 4, characterized in that: An extension plate is further arranged on the bottom of the bottom plate, the extension plate is arranged towards the chain, and a fixing component for fixing the chain link is arranged on the extension plate.

6. A sensor replacement device for a rolling mill product scale according to claim 4, characterized in that: Limiting devices for limiting the running position of the bottom plate are arranged on the two sides of the base plate.

7. A sensor replacement device for a rolling mill scale balance according to claim 1, characterized in that: A plurality of jacks for lifting the weighing scale are arranged below the weighing scale, and the plurality of jacks are sequentially and spacedly arranged below the weighing scale.

8. A sensor replacement device for a rolling mill product scale according to claim 7, characterized in that: A base for fixing installation is arranged on the bottom of each jack, and the base is connected to the ground.