Rolling mill bearing seat temperature measuring structure and method

Abstract

The invention provides a rolling mill bearing seat temperature measuring structure and method, and relates to the technical field of steel rolling. The rolling mill bearing seat temperature measuring structure comprises a temperature measuring probe arranged on a rolling mill support and a first installation face, the first installation face is attached to the outer surface of a bearing seat when a rolling mill works in a rolling mode, a via hole is formed in the first installation face, and the temperature measuring probe is used for making contact with the outer surface of the bearing seat through the via hole. The temperature measuring probe is connected with a temperature measuring system, and the temperature measuring system is used for obtaining the temperature of the bearing seat through the temperature measuring probe. The temperature measuring probe is arranged on the rolling mill support, the temperature of the bearing seat currently installed on the rolling mill support can be measured before and after roller replacement, temperature measuring devices such as the temperature measuring probe do not need to be arranged in each bearing seat, the number of the temperature measuring devices is greatly reduced, cost is saved, structural improvement on the bearing seats is avoided, and production and manufacturing are easy.

Description

Technical Field

[0001] The present invention relates to the technical field of steel rolling, and in particular to a temperature measurement structure and method for a rolling mill bearing seat. Background Art

[0002] With the continuous development of the steel industry, the strength of metal materials is also increasing. To solve the problem of rolling high-strength materials, the development trend of six-high cold rolling mills is to increase the rolling force while reducing the roll diameter of the work roll. High rolling force and small roll diameter lead to problems such as high load and easy burning of the work roll bearings. To prevent damage to the equipment caused by bearing burning, real-time monitoring of bearing temperature rise is a necessary option.

[0003] In the related art, there are two ways to detect the temperature of roller bearings. One is to machine a hole in the bearing seat and place a temperature measuring device in the hole of the bearing seat for temperature measurement. For rolling mills that use offline roll changing, this method is not suitable. Since the bearing seat and the roll are integrated into one design, the bearing seat is usually pulled out together with the roll during roll changing. Therefore, each bearing seat must have a built-in temperature measuring device, resulting in high costs. In addition, the processing of bearing seats with built-in temperature measuring devices is also relatively difficult. The other method uses non-contact detection, using infrared and other methods to detect the temperature of the bearing seat. However, the working environment of the rolling mill is complex during production, which affects the accuracy of temperature measurement. In addition, it can only measure the surface temperature of the bearing seat exposed to the outside. There are problems such as large temperature detection errors and temperature measurement data delays, and the use effect is not ideal. Summary of the Invention

[0004] The problem solved by the present invention is to reduce the cost of a bearing seat temperature measuring device of a rolling mill and ensure accurate and timely temperature monitoring.

[0005] In order to solve the above problems, the present invention provides a rolling mill bearing seat temperature measurement structure and method.

[0006] In the first aspect, the present invention provides a temperature measurement structure for a rolling mill bearing seat, comprising a temperature measuring probe and a first mounting surface arranged on a rolling mill support, wherein the first mounting surface is in contact with the outer surface of the bearing seat when the rolling mill is rolling, and a through hole is provided on the first mounting surface, wherein the temperature measuring probe is used to contact the outer surface of the bearing seat through the through hole, and the temperature measuring probe is connected to a temperature measurement system, and the temperature measurement system is used to obtain the temperature of the bearing seat through the temperature measuring probe.

[0007] Optionally, the temperature measuring probe is elastically and telescopically arranged on the rolling mill support.

[0008] Optionally, the rolling mill bracket is provided with a cylinder block and a first lining plate for supporting and fixing the bearing seat, the cylinder block is provided with a slot hole, the temperature measuring probe is elastically and telescopically arranged in the slot hole, the side of the first lining plate away from the cylinder block is the first mounting surface, and the first lining plate is provided with a hole facing the slot hole, and the hole passes through the first mounting surface to form the through hole.

[0009] Optionally, the temperature measuring probe is slidably arranged in the slot; an elastic element is arranged in the slot; the elastic element is used to apply elastic force to the temperature measuring probe to prevent the temperature measuring probe from sliding back into the slot.

[0010] Optionally, the slot is in the shape of a stepped countersunk hole, including a first stepped hole, a second stepped hole and a third stepped hole arranged in sequence, a cover plate is provided in the first stepped hole, and a hole is opened on the cover plate for the temperature measuring probe to extend out; the elastic element is provided in the second stepped hole.

[0011] Optionally, the temperature measuring probe includes a central shaft and a shoulder arranged on the central shaft, the elastic element is sleeved outside the central shaft, and two ends of the elastic element are respectively against the shoulder and the inner wall of the second stepped hole.

[0012] Optionally, the length of the temperature measuring probe extending from the first lining plate does not exceed a first set value.

[0013] Optionally, the first set value ranges from 0.5 to 1.0 mm.

[0014] Optionally, the temperature measuring probe is connected to the temperature measuring system via wired or wireless communication.

[0015] In a second aspect, the present invention provides a rolling mill bearing seat temperature measurement method based on the above-mentioned rolling mill bearing seat temperature measurement structure, comprising:

[0016] The temperature measuring probe is set on the rolling mill bracket, and the temperature measuring probe is used to pass through the through hole and contact the outer surface of the bearing seat to achieve temperature measurement.

[0017] The beneficial effect of the rolling mill bearing seat temperature measuring structure of the present invention is: compared with the existing technology, the rolling mill bearing seat temperature measuring structure of the present invention sets the temperature measuring probe on the rolling mill support, and the temperature of the bearing seat currently installed on the rolling mill support can be measured before and after the roll is changed. There is no need to set a temperature measuring probe or other temperature measuring device in each bearing seat, which greatly reduces the number of temperature measuring devices, saves costs, avoids structural improvements to the bearing seat, and is easy to produce and manufacture. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of the rolling mill bearing seat temperature measurement structure in use according to an embodiment of the present invention.

[0019] Figure 2 for Figure 1 A magnified schematic diagram of part A in FIG.

[0020] Figure 3 This is a schematic diagram of the arch-type offline roll-changing mill structure.

[0021] Figure 4 This is a schematic diagram of the slot structure of the rolling mill bearing seat temperature measurement structure according to an embodiment of the present invention.

[0022] Figure 5 This is a schematic diagram of the temperature measuring probe structure of the rolling mill bearing seat temperature measurement structure according to an embodiment of the present invention.

[0023] Figure 6 This is a schematic diagram of the hole structure of the rolling mill bearing seat temperature measurement structure according to an embodiment of the present invention.

[0024] Description of reference numerals:

[0025] 1. Rolling mill support; 2. Temperature probe; 21. Center shaft; 22. Shoulder; 3. First mounting surface; 31. Through hole; 4. Bearing seat; 41. Second lining plate; 5. Temperature measurement system; 6. Cylinder block; 61. Slot hole; 611. First stepped hole; 612. Second stepped hole; 613. Third stepped hole; 62. Elastic element; 63. Cover plate; 7. First lining plate; 71. Hole. DETAILED DESCRIPTION

[0026] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as being limited to the embodiments described herein. Instead, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0027] The term "including" and its variations used in this document are open inclusions, that is, "including but not limited to"; the term "based on" means "based at least in part on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments"; the term "optionally" means "optional embodiments". The relevant definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc. mentioned in the present invention are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0028] It should be noted that the modifications of "one" and "multiple" mentioned in the present invention are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0029] In addition, the "online roll-changing mill" mentioned in this invention refers to a mill in which the chocks are usually fixed to the archway. During roll changing, the rolls are axially withdrawn from the archway window, and the fixing device between the chocks and the rolls must be released first. The "offline roll-changing mill" refers to a mill in which the rolls and chocks are removed from the mill together. In this case, the chocks are moved by a roll-changing track or trolley, but remain installed at both ends of the rolls.

[0030] like Figure 1-6 As shown, an embodiment of the present invention provides a temperature measuring structure for a rolling mill bearing seat, comprising a temperature measuring probe 2 and a first mounting surface 3 arranged on a rolling mill support 1. The first mounting surface 3 is in contact with the outer surface of the bearing seat 4 when the rolling mill is rolling. A through hole 31 is provided on the first mounting surface 3. The temperature measuring probe 2 is used to contact the outer surface of the bearing seat 4 through the through hole 31. The temperature measuring probe 2 is connected to a temperature measuring system 5. The temperature measuring system 5 is used to obtain the temperature of the bearing seat 4 through the temperature measuring probe 2.

[0031] In this embodiment, if Figure 1 and Figure 2 As shown, the first mounting surface 3 is in contact with the outer surface of the bearing seat 4 when the rolling mill is rolling, that is, the first mounting surface 3 is a fitting support surface for fixing the bearing seat 4; the temperature measuring probe 2 contacts the outer surface of the bearing seat 4 through the through hole 31 on the first mounting surface 3, senses the temperature of the bearing seat 4, and then obtains the temperature value of the bearing seat 4 through the temperature measuring system 5.

[0032] Compared to the prior art, the present invention's rolling mill bearing seat temperature measurement structure installs a temperature probe 2 on the rolling mill support 1. This allows the temperature of the bearing seat 4 currently mounted on the rolling mill support 1 to be measured both before and after roll changes. This eliminates the need for temperature probes 2 or other temperature measurement devices within each bearing seat 4. This significantly reduces the number of temperature measurement devices, saving costs and eliminating the need for structural modifications to the bearing seat 4, making manufacturing easier. Furthermore, the present invention measures temperature through contact between the temperature probe 2 and the bearing seat 4, ensuring accurate and timely temperature monitoring.

[0033] Optionally, the temperature measuring probe 2 is elastically and telescopically arranged on the rolling mill support 1 .

[0034] In this optional embodiment, the elastically retractable setting of the temperature probe 2 means that: when the bearing seat 4 is not installed, the temperature probe 2 extends its detection end from the through hole 31 to the side of the first mounting surface 3 close to the mounting position of the bearing seat 4 due to the action of elastic force; during the installation of the bearing seat 4, the seat body of the bearing seat 4 pushes back the part of the temperature probe 2 extending out of the first mounting surface 3, and after the bearing seat 4 is installed in place, the first mounting surface 3 fits into the outer surface of the bearing seat 4, and the detection end face of the temperature probe 2 is flush with the first mounting surface 3, and is elastically pressed against the outer surface of the bearing seat 4.

[0035] The advantage of elastically and retractably mounting the temperature probe 2 on the rolling mill support 1 is that, during rolling operation, the detection end face of the temperature probe 2 is elastically pressed against the outer surface of the bearing seat 4, thereby ensuring better contact and fit between the temperature probe 2 and the outer surface of the bearing seat 4, ensuring reliable temperature conduction and accurate detection. Furthermore, whether in an offline or online roll-changing mill, the elastically and retractable temperature probe 2 can adaptively retract during the insertion of the bearing seat 4, without affecting the roll-changing operation.

[0036] Alternatively, as Figure 1-3 and Figure 6 As shown, the rolling mill bracket 1 is provided with a cylinder block 6 and a first lining plate 7 for supporting and fixing the bearing seat 4, a slot 61 is provided on the cylinder block 6, and the temperature probe 2 is elastically and telescopically arranged in the slot 61. The side of the first lining plate 7 away from the cylinder block 6 is the first mounting surface 3, and a hole 71 is provided on the first lining plate 7 opposite the slot 61, and the hole 71 passes through the first mounting surface 3 to form a through hole 31.

[0037] like Figure 3 In the arch-style offline roll-changing mill shown, the cylinder block 6 and first liner 7 are common structures that support and secure the bearing seat 4 on the mill. The bearing seat 4 needs to adapt to the shape of the arch window and usually has a rectangular or square body. The cylinder block 6 is the corresponding protruding block structure on both sides of the bearing seat 4. The first liner 7 is fixed to the cylinder block 6 and is in direct contact with the bearing seat 4. In addition, the bearing seat 4 is usually provided with a second liner 41, which is adapted to fit the first liner 7. For arch-style rolling mills, the mill support 1 refers to the mill arch.

[0038] In this optional embodiment, a slot 61 is provided in the cylinder block 6, and the temperature probe 2 is elastically and retractably provided in the slot 61. When in use, the end of the temperature probe 2 elastically extends out of the slot 61 and extends through the hole 71 to the side of the first mounting surface 3 close to the mounting position of the bearing seat 4. After the bearing seat 4 is installed in place, the end of the temperature probe 2 is squeezed back and elastically pressed against the outer surface of the bearing seat 4 for temperature monitoring.

[0039] It should be noted that different types of rolling mills all have structures supporting and fixing bearing seats 4. The temperature probe 2 can be elastically and retractably mounted on the corresponding fixed support structures of these bearing seats 4. Moreover, the specific structures for elastically and retractably mounting the temperature probe 2 on the rolling mill support 1 or within the cylinder block 6 are diverse. For example, the structure can be similar to the limiting protrusion structure of an umbrella rib. When the umbrella is opened by pushing the limiting protrusion on the rib, it first retracts and then extends, and finally cooperates with the groove on the rib to limit the position. Therefore, the structure of the temperature probe 2 mounted on the cylinder block 6 provided herein is illustrative and is intended to be used to explain the present invention, and should not be understood as limiting the present invention.

[0040] Optionally, the temperature measuring probe 2 is slidably disposed in the slot 61 , and an elastic element 62 is disposed in the slot 61 . The elastic element 62 is used to apply elastic force to the temperature measuring probe 2 to prevent the temperature measuring probe 2 from sliding back into the slot 61 .

[0041] In this optional embodiment, the temperature probe 2 is slidably disposed within the slot 61, and the slidable range is fixed, so that the maximum length by which the detection end of the temperature probe 2 can extend out of the slot 61 is a set value. An elastic element 62 applies an elastic force to the temperature probe 2, preventing the temperature probe 2 from sliding back into the slot 61, causing the temperature probe 2 to tend to extend out of the slot 61. When the extended end of the temperature probe 2 is subjected to a force, it can elastically retract and return to the extended position when the external force disappears, thereby achieving the elastic and retractable arrangement of the temperature probe 2 within the slot 61. The elastic element 62 provides the elastic force for the elastic extension of the temperature probe 2, and can be a cylindrical spring, a leaf spring, or the like.

[0042] Alternatively, as Figure 4 As shown, the slot 61 is in the shape of a stepped countersunk hole, including a first stepped hole 611, a second stepped hole 612, and a third stepped hole 613 arranged in sequence. A cover plate 63 is disposed within the first stepped hole 611, with a hole formed in the cover plate 63 for the temperature probe 2 to extend therethrough. An elastic element 62 is disposed within the second stepped hole 612. The temperature probe 2 is slidably disposed within the second stepped hole 612.

[0043] In this optional embodiment, the apertures of the first stepped hole 611, the second stepped hole 612, and the third stepped hole 613 decrease in size in sequence. The cover plate 63 within the first stepped hole 611 constitutes an extension limit structure for the temperature probe 2, limiting the maximum length to which the detection end of the temperature probe 2 can extend from the slot 61. The elastic element 62 propels the temperature probe 2 out of the slot 61 through its elastic force, but the temperature probe 2 is limited by the cover plate 63 and cannot fully move out of the slot 61. Ultimately, the temperature probe 2 has a tendency to move out of the slot 61, but only the detection end extends out of the slot 61 by a set length.

[0044] Alternatively, as Figure 4 and Figure 5As shown, the temperature measuring probe 2 includes a central shaft 21 and a shoulder 22 arranged on the central shaft 21, the elastic element 62 is sleeved outside the central shaft 21, and the two ends of the elastic element 62 are respectively against the shoulder 22 and the inner wall of the second stepped hole 612, and the shoulder 22 is slidably set in the slot 61.

[0045] In this optional embodiment, the temperature measuring probe 2 is composed of a central shaft 21 and a shoulder 22. The shoulder 22 is arranged in the axial middle part of the central shaft 21 and is slidably arranged in the slot 61, that is, it is slidably arranged in the above-mentioned second stepped hole 612.

[0046] Specifically, taking the example of a cylindrical spring as the elastic element 62, the cylindrical spring is sleeved onto the central shaft 21 of the shoulder 22, away from the detection end. One end of the elastic element 62 rests on the transition surface between the second stepped hole 612 and the third stepped hole 613, while the other end rests on the shoulder 22, maintaining a compressed state and achieving elastic and retractable configuration of the temperature probe 2. Furthermore, the central shaft 21 of the shoulder 22, near the detection end, extends through the aforementioned opening in the cover plate 63, allowing the detection end to extend out of the slot 61. The shoulder 22 also contacts the cover plate 63 to limit the length of the detection end's extension.

[0047] In addition, the temperature probe 2 is preferably slidable and retracted in the slot 61 in a direction perpendicular to the first lining plate 7, so that the temperature probe 2 is vertically pressed against the outer surface of the bearing seat 4, achieving a better contact and fit effect. Specifically, the stepped countersunk slot 61 and the central shaft 21 of the temperature probe 2 are both perpendicular to the first lining plate 7. Figure 6 As shown, the hole 71 is a cylindrical hole, and the axis of the hole 71 also coincides with the axis of the stepped countersunk slot 61 .

[0048] Optionally, the length of the temperature measuring probe 2 extending from the first lining plate 7 does not exceed a first set value.

[0049] In this optional embodiment, the length of the temperature probe 2 extending out of the first lining plate 7 does not exceed the first set value, thereby preventing the length of the temperature probe 2 extending out of the first lining plate 7 from exceeding the first set value and affecting the insertion of the bearing seat 4.

[0050] Optionally, the first set value is in the range of 0.5-1.0 mm, and preferably 1 mm, that is, the length of the temperature measuring probe 2 extending out of the first lining plate 7 does not exceed 1 mm.

[0051] In this optional embodiment, the length of the temperature probe 2 extending from the first liner 7 does not exceed 1 mm, i.e., the first set value is 1 mm. When the bearing seat 4 is not installed, the length of the temperature probe 2 extending from the first liner 7 is within the range of 0-1 mm, generally extending by 1 mm. This greatly reduces the impact on the insertion or removal of the bearing seat 4, ensuring smooth roll changes. In addition, the detection end of the temperature probe 2 is provided with a transition radius to ensure that the insertion of the bearing seat 4 during roll changes in the rolling mill can smoothly push and retract the temperature probe 2, without affecting the roll change operation.

[0052] Optionally, the temperature measuring probe 2 is connected to the temperature measuring system 5 via wired or wireless communication.

[0053] In this optional embodiment, the connection between the temperature probe 2 and the temperature measuring system 5 can be wired or wireless. Figure 4 As shown, a hole can be opened at the rear end of slot 61 to route a signal transmission line, connecting temperature probe 2 from the outside of cylinder block 6. For wireless communication, an antenna is installed in slot 61 to wirelessly communicate with temperature measurement system 5. Temperature measurement system 5 uses temperature probe 2 as a sensor and analyzes and processes the signal generated by temperature probe 2 contacting bearing seat 4 to obtain temperature information of bearing seat 4.

[0054] It should be noted that each rolling mill generally has multiple bearing seats 4, and each bearing seat 4 is correspondingly provided with a corresponding bearing seat temperature measurement structure, that is, a temperature probe 2 is provided on the supporting mounting structure of each bearing seat 4. During use, the temperature probe 2 is installed on the rolling mill support 1 and is elastic and retractable, without affecting the operation of replacing the rolls or the bearing seats 4, and the normal roll changing operation can be maintained.

[0055] An embodiment of the present invention also provides a rolling mill bearing seat temperature measurement method, based on the above-mentioned rolling mill bearing seat temperature measurement structure, including: setting a temperature measuring probe 2 on the rolling mill bracket 1, and using the temperature measuring probe 2 to pass through the through hole 31 to contact the outer surface of the bearing seat 4 to achieve temperature measurement.

[0056] Compared to the prior art, the present invention's rolling mill bearing seat temperature measurement method utilizes a temperature probe 2 mounted on the rolling mill support 1. This allows the temperature of the bearing seat 4 currently mounted on the rolling mill support 1 to be measured both before and after roll changes. This eliminates the need for temperature probes 2 or other temperature measurement devices within each bearing seat 4. This significantly reduces the number of temperature measurement devices, saving costs and eliminating the need for structural modifications to the bearing seat 4, making manufacturing easier. Furthermore, the present invention ensures accurate and timely temperature monitoring by ensuring that the temperature probe 2 and the bearing seat 4 are in contact.

[0057] Although the present invention is disclosed as above, the protection scope of the present invention is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications will fall within the protection scope of the present invention.

Claims

1. A rolling mill bearing seat temperature measurement structure, characterized in that: The invention comprises a temperature measuring probe (2) and a first mounting surface (3) arranged on a rolling mill support (1); the first mounting surface (3) is in contact with the outer surface of a bearing seat (4) when the rolling mill is in rolling operation; a through hole (31) is provided on the first mounting surface (3); the temperature measuring probe (2) is used to contact the outer surface of the bearing seat (4) through the through hole (31); the temperature measuring probe (2) is connected to a temperature measuring system (5); and the temperature measuring system (5) is used to obtain the temperature of the bearing seat (4) through the temperature measuring probe (2).

2. The rolling mill bearing seat temperature measurement structure according to claim 1 is characterized in that: The temperature measuring probe (2) is elastically and telescopically arranged on the rolling mill support (1).

3. The rolling mill bearing seat temperature measurement structure according to claim 2 is characterized in that: The rolling mill support (1) is provided with a cylinder block (6) and a first lining plate (7) for supporting and fixing the bearing seat (4); the cylinder block (6) is provided with a slot hole (61); the temperature measuring probe (2) is elastically and telescopically arranged in the slot hole (61); the side of the first lining plate (7) away from the cylinder block (6) is the first mounting surface (3); the first lining plate (7) is provided with a hole (71) facing the slot hole (61); the hole (71) penetrates the first mounting surface (3) to form the through hole (31).

4. The rolling mill bearing seat temperature measurement structure according to claim 3 is characterized in that: The temperature measuring probe (2) is slidably arranged in the slot (61); an elastic element (62) is arranged in the slot (61); the elastic element (62) is used to apply an elastic force to the temperature measuring probe (2) to prevent the temperature measuring probe (2) from sliding back into the slot (61).

5. The rolling mill bearing seat temperature measurement structure according to claim 4, characterized in that: The slot hole (61) is in the shape of a stepped countersunk hole, and comprises a first stepped hole (611), a second stepped hole (612) and a third stepped hole (613) arranged in sequence; a cover plate (63) is arranged in the first stepped hole (611), and a hole is opened on the cover plate (63) for the temperature measuring probe (2) to extend; and the elastic element (62) is arranged in the second stepped hole (612).

6. The rolling mill bearing seat temperature measurement structure according to claim 5, characterized in that: The temperature measuring probe (2) comprises a central shaft (21) and a shoulder (22) arranged on the central shaft (21); the elastic element (62) is sleeved outside the central shaft (21), and two ends of the elastic element (62) respectively abut against the shoulder (22) and the inner wall of the second stepped hole (612).

7. The rolling mill bearing seat temperature measurement structure according to any one of claims 3 to 6, characterized in that: The length of the temperature measuring probe (2) extending out of the first lining plate (7) does not exceed a first set value.

8. The rolling mill bearing seat temperature measurement structure according to claim 7, characterized in that: The first set value ranges from 0.5 to 1.0 mm.

9. The rolling mill bearing seat temperature measurement structure according to claim 7, characterized in that: The temperature measuring probe (2) is connected to the temperature measuring system (5) via wired or wireless means.

10. A method for measuring the temperature of a rolling mill bearing seat based on the rolling mill bearing seat temperature measuring structure according to any one of claims 1 to 9, characterized in that: include: A temperature measuring probe (2) is arranged on the rolling mill support (1), and the temperature measuring probe (2) is passed through the through hole (31) to contact the outer surface of the bearing seat (4) to achieve temperature measurement.

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