C-shaped frame structure for measuring convexity of hot-rolled strip steel

Abstract

The utility model discloses a C-shaped frame structure for measuring the convexity of hot-rolled strip steel, which comprises a sliding frame body with a box body at the upper part and a C-shaped frame at the lower part; convexity measuring equipment is arranged in the box body; pulleys are connected to two sides of the C-shaped frame; the wall body of the box body and the wall body of the C-shaped frame are provided with circulating water cooling channels which are communicated with each other; each circulating water cooling channel is provided with a cooling water inlet and a cooling water outlet; the water cooling machine is connected with the cooling water inlet and the cooling water outlet and provides constant-temperature circulating water for the sliding frame body; the I-shaped beam sliding rails are symmetrically arranged on the on-site support, the on-site support comprises a measuring station and an overhauling station, and the pulleys are matched with the I-shaped beam sliding rails to achieve movement of the sliding frame body between the measuring station and the overhauling station. According to the design, the size of the lower portion of the C-shaped frame is obviously reduced, ultra-narrow measuring lines can be achieved, measurement can be completed through an existing roll gap, roll removing is not needed, and the production efficiency is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of steel production equipment technology, specifically to a C-frame structure for measuring the crown of hot-rolled strip steel. Background Technology

[0002] In the hot rolling process, the crown, straightness, and thickness distribution of the strip are key parameters affecting product quality, directly determining the geometric accuracy and subsequent processing performance of the strip. Traditional crown measuring equipment usually suffers from problems such as complex structure, large footprint, and difficulty in installation and maintenance, making it difficult to adapt to the harsh environment of high temperature, high humidity, and high dust in hot rolling production lines.

[0003] Furthermore, traditional equipment requires roll removal during measurement, which not only increases production line downtime but also reduces production efficiency. Simultaneously, due to the high-temperature radiation and cooling steam in the hot rolling environment, the measuring components of traditional equipment are susceptible to heat interference, leading to decreased measurement accuracy and even equipment malfunction. These problems severely restrict the automation level and product quality control capabilities of hot rolling production lines. Utility Model Content

[0004] The purpose of this invention is to provide a C-frame structure for measuring the crown of hot-rolled strip steel, which can complete the measurement without removing the rollers, significantly improving production efficiency. It can adapt to high-temperature and high-humidity rolling environments and ensure long-term stable operation of the equipment.

[0005] To achieve the above objectives, this application proposes a C-frame structure for measuring the crown of hot-rolled strip steel, comprising:

[0006] The sliding frame has a box-shaped upper part and a C-shaped lower part; a convexity measuring device is installed inside the box-shaped frame; pulleys are connected to both sides of the C-shaped frame; the walls of the box-shaped frame and the walls of the C-shaped frame have a connected circulating water cooling channel, which has a cooling water inlet and a cooling water outlet.

[0007] The water chiller is connected to the cooling water inlet and cooling water outlet to provide constant temperature circulating water for the sliding frame.

[0008] The I-beam slide rails are symmetrically arranged on the field support, which includes a measurement station and a maintenance station. The pulleys cooperate with the I-beam slide rails to realize the movement of the sliding frame between the measurement station and the maintenance station.

[0009] In one embodiment, the C-frame includes a horizontally arranged first support frame, a vertically arranged connecting frame, and a horizontally arranged second support frame, wherein the first support frame is connected to pulleys on both sides, and the connecting frame passes through the gap of the on-site support maintenance station.

[0010] In one embodiment, the convexity measuring device includes:

[0011] A high-voltage X-ray tube, located on the first support frame, is used to generate X-rays;

[0012] The X-ray detection array, located on the second support frame, is used to receive X-rays that have penetrated the strip being tested.

[0013] The thickness distribution on the cross-section of steel strip can be measured using a high-pressure X-ray tube and a radiation detection array.

[0014] In one embodiment, the second support frame is located below the strip rollers, and X-rays emitted by the high-pressure X-ray tube pass through the gaps between the strip rollers and are received by the X-ray detection array.

[0015] In one embodiment, the width of the connecting frame and the second support frame is smaller than the width of the first support frame and the box body.

[0016] In one embodiment, the convexity measuring device further includes a flatness meter located on the first support frame; the flatness meter, in conjunction with a moiré camera via a grating projection system, measures the flatness and width of the strip.

[0017] In one embodiment, the bottom of the housing and the first support frame have a first light-transmitting window and a second light-transmitting window, the moiré camera is tilted inward and located at the first light-transmitting window, and the grating projection system is tilted inward and located at the second light-transmitting window.

[0018] In one embodiment, ray windows are provided on the bottom of the housing and on the first support frame.

[0019] In one embodiment, the side of the enclosure is provided with a removable protective plate to facilitate equipment maintenance and repair.

[0020] In one embodiment, the field support is fixed by anchor bolts.

[0021] Compared with existing technologies, the above-mentioned technical solution adopted in this utility model has the following advantages: This application centrally arranges the main equipment, such as the high-pressure X-ray tube, grating projection system, and moiré camera, within the upper housing, while only the X-ray detection array is arranged in the lower part of the C-frame. This design significantly reduces the volume of the lower part of the C-frame, enabling ultra-narrow measurement lines that can be completed through existing roller gaps, eliminating the need for roller removal and greatly improving production efficiency. The upper housing effectively isolates external heat and humidity, protecting the internal equipment from high-temperature environments. When the C-frame is moved to the maintenance position, comprehensive maintenance can be performed simply by opening the side panels of the housing, simplifying the operation. Furthermore, the on-site support only requires anchor bolts for fixing, eliminating the need for track laying, simplifying construction, and reducing installation and maintenance costs. Attached Figure Description

[0022] Figure 1 Schematic diagram of a C-frame structure for measuring the crown of hot-rolled strip steel;

[0023] Figure 2 This is a schematic diagram of a convexity measuring device.

[0024] Figure 3 This is a schematic diagram illustrating the measurement principle of a flatness meter.

[0025] Among them: 1. C-shaped frame, 11. First support frame, 111. Pulley, 12. Connecting frame, 13. Second support frame, 2. Box body, 3. Moiré camera, 4. High-pressure X-ray tube, 5. Grating projection system, 6. Field support, 61. I-beam slide rail, 7. X-ray detection array, 8. Strip steel, 9. Strip steel roller. Detailed Implementation

[0026] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0027] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise expressly specified. "Several" means one or more, unless otherwise expressly specified.

[0029] In the description of this application, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0030] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0031] Please see Figure 1 This embodiment provides a C-frame structure for measuring the crown of hot-rolled strip steel, including:

[0032] The sliding frame consists of an upper housing and a lower C-frame. A convexity measuring device is installed inside the housing, and pulleys are connected to both sides of the C-frame. Cooling water circulates within the walls of the housing and C-frame, ensuring even heat dissipation and preventing localized overheating, significantly improving the equipment's lifespan and measurement accuracy. It should be noted that X-ray windows are provided at the bottom of the housing and on the first support frame for X-ray penetration and reception.

[0033] The water chiller, connected to the cooling water inlet and outlet, provides constant-temperature circulating water to the sliding frame, ensuring stable operation of the equipment in high-temperature environments. Due to the high temperatures in the hot-rolled strip steel production environment, traditional measuring equipment is prone to component deformation or performance degradation caused by high temperatures. The combination of the circulating water cooling channel and the water chiller provides constant-temperature cooling water to the sliding frame, effectively reducing the temperature of the equipment in high-temperature environments and ensuring the stable operation of core components.

[0034] The I-beam slide rails are symmetrically installed on the on-site support, which includes a measurement station and a maintenance station. The pulleys cooperate with the I-beam slide rails to automatically switch the sliding frame between the measurement and maintenance stations. It should be noted that the measurement station is used for normal measurement of the strip's convexity, straightness, and width; while the maintenance station allows operators to easily maintain and repair the equipment.

[0035] In a preferred embodiment provided in this example, the C-frame includes a horizontally arranged first support frame, a vertically arranged connecting frame, and a horizontally arranged second support frame. The first support frame has pulleys connected to both sides, and the connecting frame passes through the gap in the on-site support maintenance station. The second support frame is located below the strip rollers, and X-rays emitted by the high-pressure X-ray tube pass through the gap between the strip rollers and are received by the X-ray detection array. Figure 2As shown, the convexity measuring equipment includes a high-pressure X-ray tube and a X-ray detection array. The high-pressure X-ray tube, located on the first support frame, generates X-rays; the X-ray detection array, located on the second support frame, receives the X-rays after they penetrate the strip being measured, thereby measuring the thickness distribution on the cross-section of the strip. This design results in a very small measurement line width, enabling strip convexity measurement without removing the rollers, simplifying the site layout, and reducing construction difficulty and equipment installation time.

[0036] The steel plate may tilt during movement, or the plate itself may have wavy or other shape issues. Such tilting or wavy patterns will affect the thickness measurement. Figure 3 As shown, the convexity measuring device also includes a flatness meter located on the first support frame. This flatness meter has a grating projection system and a moiré camera. The grating projection system forms a grating array on the strip surface, and the moiré camera captures the shape of the grating lines in real time. The flatness and width of the strip are obtained based on the changes and shape of the grating lines. This multi-functional integrated design significantly improves measurement efficiency, reduces equipment footprint, and lowers equipment procurement and maintenance costs. Preferably, the grating projection system may include a light source, a grating sheet, and a projection lens. The light source uses a high-brightness, high-stability LED or laser light source to ensure the clarity and stability of the grating lines. The grating sheet is the core optical element used to generate the grating lines. The projection lens projects the grating lines on the grating sheet onto the strip surface, ensuring the clarity and uniformity of the grating lines.

[0037] The advantages of this implementation method are: compact structure, small footprint, no need for roller removal; circulating water cooling ensures stable operation of the equipment in high-temperature environments; automatic switching between measurement and maintenance stations is achieved through I-beam slide rails, making maintenance convenient and reducing downtime; integrated crown measurement equipment can simultaneously measure the crown, straightness, and width of the strip, improving measurement efficiency.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A C-frame structure for measuring the crown of hot-rolled strip steel, characterized in that, include: The sliding frame has a box-shaped upper part and a C-shaped lower part; a convexity measuring device is installed inside the box-shaped frame; pulleys are connected to both sides of the C-shaped frame; the walls of the box-shaped frame and the walls of the C-shaped frame have a connected circulating water cooling channel, which has a cooling water inlet and a cooling water outlet. The water chiller is connected to the cooling water inlet and cooling water outlet to provide constant temperature circulating water for the sliding frame. The I-beam slide rails are symmetrically arranged on the field support, which includes a measurement station and a maintenance station. The pulleys cooperate with the I-beam slide rails to realize the movement of the sliding frame between the measurement station and the maintenance station.

2. The C-frame structure for measuring the crown of hot-rolled strip steel according to claim 1, characterized in that, The C-frame includes a horizontally arranged first support frame, a vertically arranged connecting frame, and a horizontally arranged second support frame. The first support frame is connected to pulleys on both sides, and the connecting frame passes through the gap of the on-site support maintenance station.

3. The C-frame structure for measuring the crown of hot-rolled strip steel according to claim 2, characterized in that, The convexity measuring device includes: A high-pressure X-ray tube, located on the first support frame, is used to generate X-rays; The X-ray detection array, located on the second support frame, is used to receive X-rays that have penetrated the strip being tested. The thickness distribution on the cross-section of steel strip can be measured using a high-pressure X-ray tube and a radiation detection array.

4. The C-frame structure for measuring the crown of hot-rolled strip steel according to claim 3, characterized in that, The second support frame is located below the strip rollers. X-rays emitted by the high-pressure X-ray tube pass through the gaps between the strip rollers and are received by the X-ray detection array.

5. The C-frame structure for measuring the crown of hot-rolled strip steel according to claim 2, characterized in that, The width of the connecting frame and the second support frame is smaller than the width of the first support frame and the box body.

6. The C-frame structure for measuring the crown of hot-rolled strip steel according to claim 3, characterized in that, The convexity measuring device also includes a flatness meter located on the first support frame; the flatness meter, in conjunction with a moiré camera through a grating projection system, measures the flatness and width of the strip steel.

7. The C-frame structure for measuring the crown of hot-rolled strip steel according to claim 6, characterized in that, The bottom of the housing and the first support frame have a first light-transmitting window and a second light-transmitting window. The Moiré camera is tilted inward and located at the first light-transmitting window, and the grating projection system is tilted inward and located at the second light-transmitting window.

8. The C-frame structure for measuring the crown of hot-rolled strip steel according to claim 3, characterized in that, The bottom of the box and the first support frame have ray windows.

9. The C-frame structure for measuring the crown of hot-rolled strip steel according to claim 1, characterized in that, The side of the enclosure is equipped with a removable protective panel.

10. The C-frame structure for measuring the crown of hot-rolled strip steel according to claim 1, characterized in that, The field support is fixed by anchor bolts.

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