Roll gap measuring device of finishing mill
By designing the roller seam measurement device of the finishing mill, the roller seam adjustment process is simplified by the threaded adjustment component, solving the problems of cumbersome calculations and safety hazards in traditional methods, and improving rolling efficiency and safety.
Patent Information
- Application Number
- CN202420113408.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-17
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-01-17
AI Technical Summary
When rolling pipeline steel in traditional hot-rolling finishing mills, the roll joint adjustment calculation is complicated and error-prone, resulting in safety hazards and inefficient efficiency.
A finishing mill roll joint measurement device is designed, including a connecting piece and an adjustment component. The adjustment component consists of a fixing piece and an adjustment piece. The height adjustment is achieved through threaded connections. The operator can place the adjustment component between the two rolls at a distance. , avoid calculating the pressure stroke and step pad height of the hydraulic cylinder.
The roll joint adjustment process is simplified, safety accidents caused by calculation errors are avoided, rolling efficiency is improved, and the safety of roll joint adjustment is ensured.
Smart Images
Figure CN222153386U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of hot rolling, and in particular relates to a roller gap measuring device for a finishing mill. Background Art
[0002] The hot rolling finishing mill is one of the core equipment in the production of hot rolled steel, and is mainly used for further finishing of steel after rough rolling.
[0003] The hot rolling finishing mill requires that when the thickness of the rolled pipeline steel is above 15.75mm, the F2 finishing mill train needs to be empty. In order to ensure the water sealing effect of the rolling mill, the roll gap range is usually required to be 60-80mm.
[0004] In the traditional solution, before each rolling, it is necessary to calculate the depression stroke of the hydraulic cylinder of the roll adjustment device and the height of the upper and lower step pads, and then deduce whether the adjusted roll gap is within the required range, so that the roll gap is within the range of 60-80mm. The calculation process is cumbersome and prone to errors, and once an error occurs, it is easy to cause an accident. Utility Model Content
[0005] The present application aims to at least to some extent solve the technical problem of complicated roll gap adjustment calculation process in the related art. To this end, the present application provides a finishing mill roll gap measuring device.
[0006] A finishing mill roll gap measuring device provided in an embodiment of the present application includes: a connecting piece and an adjusting component, the adjusting component includes a fixing piece and an adjusting piece, the adjusting piece and the fixing piece are movably connected to adjust the height of the adjusting component, the upper end face and the lower end face of the adjusting component are respectively used to contact the upper roll and the lower roll of the finishing mill; the connecting piece is fixedly connected to the fixing piece on one side along its length direction.
[0007] In some embodiments, the adjusting member and the fixing member are threadedly connected.
[0008] In some embodiments, a threaded hole is formed on the fixing member, and the adjusting member is a bolt, which is threadedly connected to the threaded hole.
[0009] In some embodiments, the bolts are arranged vertically.
[0010] In some embodiments, the fixing member includes a body and a nut, the nut is fixedly connected to the body, and the threaded hole is opened on the nut.
[0011] In some embodiments, the connecting member and the body are both tubular members, and one end of the connecting member is fixedly connected to an end of the body away from the adjusting member.
[0012] In some embodiments, the connector is perpendicular to the body.
[0013] In some embodiments, the fixing member also includes a positioning tube, the positioning tube, the connecting member and the main body are perpendicular to each other, the positioning tube is fixedly arranged at one end of the main body away from the adjusting member, and the positioning tube is horizontally arranged, and the side of the positioning tube away from the adjusting member is used to contact the lower roller.
[0014] In some embodiments, the height adjustment range of the adjustment component is 60mm-80mm.
[0015] In some embodiments, the length of the connecting member is 1500 mm.
[0016] The utility model has at least the following beneficial effects:
[0017] The finishing mill roll gap measuring device provided in the present application includes a connecting part and an adjusting component, the adjusting component includes a fixing part and an adjusting component, the adjusting part and the fixing part are movably connected so that the height of the adjusting component can be adjusted; the connecting part and the fixing part are fixedly connected so that the operator can hold the connecting part away from one end of the adjusting component and stand at a distance to place the adjusting component between the two rolls.
[0018] When it is necessary to adjust the roll gap between the two rolls to a predetermined value, first adjust the position of the adjusting part, and then adjust the height of the adjusting assembly to the same as the predetermined value, then hold the connecting part and put the adjusting assembly between the two rolls, and then turn on the roll adjusting device to make the two rolls, i.e. the upper working roll and the lower working roll, move toward each other until the upper and lower rolls respectively contact the upper end face and the lower end face of the adjusting assembly, so that the roll gap between the two rolls is adjusted to the predetermined value.
[0019] After the present application is designed in this way, when adjusting the roll gap, there is no need to calculate the depression stroke of the hydraulic cylinder of the roll adjustment device and the height of the upper and lower step pads, which avoids tedious calculations and safety accidents caused by calculations, facilitates roll gap adjustment, ensures the safety of roll gap adjustment, and helps to improve rolling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0021] Figure 1 The structure of the roller gap measuring device of the finishing mill in one or more embodiments of the present application is shown. Figure 1 .
[0022] Figure 2 The structure of the roller gap measuring device of the finishing mill in one or more embodiments of the present application is shown. Figure 2 .
[0023] Figure 3 A schematic diagram of the structure in which a finishing mill roll gap measuring device is placed behind the roll gap in one or more embodiments of the present application is shown.
[0024] Figure 4 A schematic diagram of the structure when the upper and lower rollers are in contact with the finishing mill roll gap measuring device in one or more embodiments of the present application is shown.
[0025] Figure numerals: 100 - finishing mill roll gap measuring device, 110 - connecting piece, 120 - adjusting component, 121 - fixing piece, 1211 - main body, 1212 - nut, 1213 - positioning tube, 122 - adjusting piece. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] It should be noted that all directional indications in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.
[0028] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0029] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.
[0030] The hot rolling finishing mill is one of the core equipment in the production of hot rolled steel, and is mainly used for further finishing of steel after rough rolling.
[0031] The hot rolling finishing mill requires that when the thickness of the rolled pipeline steel is above 15.75mm, the F2 finishing mill train needs to be empty. In order to ensure the water sealing effect of the rolling mill, the roll gap range is usually required to be 60-80mm.
[0032] In the traditional solution, before each rolling, it is necessary to calculate the depression stroke of the hydraulic cylinder of the roll adjustment device and the height of the upper and lower step pads, and then deduce whether the adjusted roll gap is within the required range, so that the roll gap is within the range of 60-80mm. The calculation process is cumbersome and prone to errors, and once an error occurs, it is easy to cause an accident.
[0033] It should be noted that in the actual production process, the roll gap cannot be directly measured by tools such as rulers and tape measures, because there are structures such as bearing seats on the outside of the rolls. The operator standing next to the bearing seat cannot reach the roll gap with tools such as rulers and tape measures, so it is impossible to directly measure the roll gap. Therefore, in the traditional solution, before each rolling, it is necessary to calculate the stroke of the hydraulic cylinder and the height of the upper and lower step pads to deduce whether the roll gap after adjustment is within the required range.
[0034] Therefore, in the related art, there is a technical problem that the calculation process of roll gap adjustment is complicated. The embodiment of the present application provides a roll gap measuring device for a finishing mill, which can at least solve the technical problem of difficult roll gap adjustment to a certain extent.
[0035] The present application is described below with reference to the accompanying drawings and specific embodiments:
[0036] like Figure 1As shown, the embodiment of the present application provides a finishing mill roll gap measuring device 100, which can facilitate roll gap adjustment and includes a connecting member 110 and an adjusting assembly 120. The adjusting assembly 120 includes a fixing member 121 and an adjusting member 122, and the adjusting member 122 is movably connected to the fixing member 121 to adjust the height of the adjusting assembly 120. The upper end face and the lower end face of the adjusting assembly 120 are respectively used to contact the upper roll and the lower roll of the finishing mill. The connecting member 110 is fixedly connected to the fixing member 121 along one side of its length direction.
[0037] Specifically, when the present application is in use, the end of the fixing member 121 away from the adjusting member 122 contacts the lower roller, and the end of the adjusting member 122 away from the fixing member contacts the upper roller. The adjusting member 122 and the fixing member 121 are movably connected so that the height of the adjusting member 122 can be changed, thereby changing the overall height of the connecting member 110 and the fixing member 120, that is, the height of the adjusting assembly 120 changes. There are various ways to movably connect the adjusting member 122 and the fixing member 121, which are not limited in the present application.
[0038] For example, a plurality of first connecting through holes are provided on the fixing member 121 at intervals along the height direction, and a second connecting through hole is provided on the adjusting member 122. The second connecting through holes can be aligned with each of the first connecting through holes respectively, so that the bolt passes through the first connecting through hole and the second connecting through hole and is threadedly connected with the nut 1212, so that the adjusting member 122 and the fixing member 121 are movably connected; when the second connecting hole is aligned with different first connecting holes, the height of the adjusting member 122 is different, so that the height of the adjusting member 122 is adjustable, thereby making the height of the adjusting assembly 120 adjustable.
[0039] For another example, the adjusting member 122 is slidably connected to the fixing member 121 along the height direction of the fixing member 121. Specifically, a vertical slide groove is provided on the fixing member 121, and a slide rail is provided on the connecting member 110, and the slide rail is located in the slide groove. When the adjusting member 122 slides to different positions along the slide groove, the height of the adjusting member 122 is different, so that the height of the adjusting member 122 is adjustable, and thus the height of the adjusting assembly 120 is adjustable; a threaded through hole is provided on the side wall of the slide groove, and a bolt is installed in the threaded through hole. When the adjusting member 122 is adjusted to a specified height, the bolt is tightened to press against the adjusting member 122 to fix the adjusting member 122. When the adjusting member 122 needs to be adjusted, the bolt is loosened so that the adjusting member 122 can slide, so that the adjusting member 122 and the fixing member 121 are movably connected.
[0040] One side of the connecting member 110 along its length direction is fixedly connected to the fixing member 121, so that an operator standing at a distance can hold the side of the connecting member 110 away from the fixing member 121 and place the adjusting assembly 120 between the two rollers.
[0041] After the design of the present application, when the roll gap between the two rollers needs to be adjusted to a predetermined value, the position of the adjusting member 122 is adjusted first, and then the height of the adjusting assembly 120 is adjusted to the same as the predetermined value, and then the connecting member 110 is held and the adjusting assembly 120 is placed between the two rollers, and then the roller adjustment device is turned on to make the two rollers move toward each other until the upper and lower rollers are in contact with the upper and lower end faces of the adjusting assembly 120, specifically, one of the rollers is in contact with the fixing member 121, and the other roller is in contact with the adjusting member 122, so that the roll gap between the two rollers is adjusted to the predetermined value. After the design of the present application, when adjusting the roll gap, it is no longer necessary to calculate the stroke of the hydraulic cylinder and the height of the upper and lower step pads, which avoids cumbersome calculations and safety accidents caused by calculations, facilitates the roll gap adjustment, ensures the safety of the roll gap adjustment, and helps to improve the efficiency of rolling.
[0042] In order to simplify the structure of the adjustment component 120 and facilitate the processing and manufacturing of the finishing mill roll gap measuring device 100 of the present application, in some embodiments, the adjustment member 122 is threadedly connected to the fixing member 121. With such a design, when the height of the adjustment component 120 needs to be adjusted, the adjustment member 122 is screwed clockwise or counterclockwise. Due to the threaded connection, the height of the adjustment member 122 will change, thereby changing the height of the adjustment component 120. With such a design, the adjustment is convenient, and it is convenient for operators to use the finishing mill roll gap measuring device 100 of the present application.
[0043] In some embodiments, a threaded hole is provided on the fixing member 121, and the adjusting member 122 is a bolt, and the bolt is threadedly connected to the threaded hole. The adjusting member 122 is configured as a bolt, so that the adjusting member 122 can be purchased directly from the market without processing, which simplifies the structure of the roller gap measuring device 100 of the finishing mill of the present application, and further facilitates the processing and manufacturing of the roller gap measuring device 100 of the finishing mill of the present application. With this design, when the bolt is rotated clockwise or counterclockwise, the bolt will move up and down along the thread, causing the height of the connecting component to change. It is easy to understand that in these embodiments, the bolt extends out of the fixing member 121, otherwise rotating the bolt will not cause the overall height of the adjusting component 120 to change; that is, if Figure 1 As shown, the upper end surface of the bolt is higher than the upper end surface of the fixing member 121.
[0044] In order to facilitate the adjustment assembly 120 to be quickly adjusted to a specified height, in some embodiments, the bolts are arranged vertically, such as Figure 1 shown.
[0045] In some embodiments, the fixing member 121 includes a body 1211 and a nut 1212, the nut 1212 is fixedly connected to the body 1211, and a threaded hole is provided on the nut 1212. With such a design, the nut 1212 can be purchased directly from the market, and there is no need to process the threaded hole separately, which further simplifies the structure of the roller gap measuring device 100 of the present application, and facilitates the processing and manufacturing of the roller gap measuring device 100 of the present application. There are various ways to fix the nut 1212 and the fixing member 121, such as welding, bonding, clamping, etc., which are not limited in the present application.
[0046] In some embodiments, the connecting member 110 and the body 1211 of the fixing member 121 are both tubular members, such as metal tubes, plastic tubes, etc. The tubular member is hollow in the middle, which helps to reduce the weight of the finishing mill roll gap measuring device 100 of the present application and makes it easier for operators to use the finishing mill roll gap measuring device 100 of the present application.
[0047] In some implementations, the connecting member 110 and the fixing member 121 are both made of lightweight steel pipes, and the length of the connecting member 110 is 1500 mm.
[0048] In order to facilitate the adjustment component 120 to be located in the roll gap and facilitate the operator to use the finishing mill roll gap measuring device 100 of the present application, in some embodiments, such as Figure 1 As shown, the connecting member 110 and the body 1211 are perpendicular; in some embodiments, as Figure 1 As shown, one end of the connecting member 110 is fixedly connected to an end of the body 1211 away from the adjusting member 122 .
[0049] The rollers are cylindrical, and the roll gap between the two rollers refers to the distance between the lowest point of the upper roller and the highest point of the lower roller. In order to facilitate the placement of the finishing mill roll gap measuring device 100 of the present application behind the lower roller and find the highest point of the lower roller, in some embodiments, the fixing member 121 further includes a positioning tube 1213, the positioning tube 1213, the connecting member 110 and the body 1211 are perpendicular to each other, the positioning tube 1213 is fixedly arranged at one end of the body 1211 away from the adjusting member 122, and the positioning tube 1213 is arranged horizontally. After the positioning tube 1213 is arranged, the side of the positioning tube 1213 away from the adjusting member 122 contacts the lower roller, that is, the lower end surface of the positioning tube 1213 contacts the lower roller. When in use, the operator holds the connecting piece 110 and places the adjustment assembly 120 on the lower roller, so that the lower end surface of the positioning tube 1213 contacts the lower roller, and then observes whether the positioning tube 1213 is horizontal and the fixing piece 121 is vertical. If the positioning tube 1213 is horizontal and the fixing piece 121 is vertical, the positioning tube 1213 contacts the highest point of the lower roller. If the positioning tube 1213 is not horizontal and the fixing piece 121 is not vertical, the connecting piece 110 is moved to adjust until it is horizontal. In some embodiments, the cross section of the positioning tube 1213 is circular, and the positioning tube 1213 is a lightweight steel tube.
[0050] Generally, the range of the roll gap is 60-80 mm. Therefore, in order to facilitate the use of the finishing mill roll gap measuring device 100 of the present application, in some embodiments, the height adjustment range of the adjustment component 120 is 60 mm-80 mm. Figure 1 As shown, the height of the body 1211 of the fixing member 121 is 60 mm, and the bolt protrudes from the body 1211 by 0-20 mm, so that the height of the adjustment assembly 120 ranges from 60 mm to 80 mm. When the height of the adjustment assembly 120 is 60 mm, the upper end surface of the bolt is flush with the upper end surface of the body 1211, as shown in FIG. Figure 2 shown.
[0051] For ease of use in this application, in some embodiments, the length of the connecting member 110 is 1500 mm.
[0052] In some embodiments, the connecting member 110 is a telescopic member that can be extended and retracted so that its length can be adjusted, making the present application applicable to more application scenarios.
[0053] The method of using the roller gap measuring device 100 of the finishing mill of the present application is as follows: first determine the specific value of the roller gap, for example, 70 mm; then tighten the bolt so that the height between the upper end surface of the bolt and the lower end surface of the positioning tube 1213 is 70 mm; then the operator holds the end of the connecting member 110 away from the adjusting component 120, and places the adjusting component 120 on the lower roller, such as Figure 3As shown; then the operator observes whether the positioning tube 1213 is horizontal and the fixing member 121 body is vertical, and moves the connecting member 110 until the positioning tube 1213 is horizontal and the fixing member 121 body is vertical; then the operator presses down the upper roller until the upper roller contacts the upper end surface of the bolt, as shown in FIG. Figure 4 Finally, the connecting member 110 is moved to move the adjustment assembly 120 out of the roller gap.
[0054] In summary, the roller gap measuring device 100 provided by the present application includes a connecting member 110 and an adjusting member 120, wherein the adjusting member 120 includes a fixing member 121 and an adjusting member 122, wherein the adjusting member 122 and the fixing member 121 are movably connected so that the height of the adjusting member 120 can be adjusted; the connecting member 110 and the fixing member 121 are fixedly connected so that the operator can hold the connecting member 110 away from one end of the adjusting member 120 and stand at a distance to put the adjusting member 120 between the two rollers. When the roller gap between the two rollers needs to be adjusted to a predetermined value, the position of the adjusting member 122 is adjusted first, and then the height of the adjusting member 120 is adjusted to the same as the predetermined value, and then the connecting member 110 is held to put the adjusting member 120 between the two rollers, and then the roller adjusting device is turned on so that the two rollers move toward each other until the upper and lower rollers are in contact with the upper and lower ends of the adjusting member 120, so that the roller gap between the two rollers is adjusted to the predetermined value. After the present application is designed in this way, when adjusting the roll gap, there is no need to calculate the depression stroke of the hydraulic cylinder of the roll adjustment device and the height of the upper and lower step pads, which avoids tedious calculations and safety accidents caused by calculations, facilitates roll gap adjustment, ensures the safety of roll gap adjustment, and helps to improve rolling efficiency.
[0055] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.
[0056] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.
[0057] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.
Claims
1. A finishing mill roll gap measuring device, characterized in that: include: A connecting member (110) and an adjusting assembly (120), wherein the adjusting assembly (120) comprises a fixing member (121) and an adjusting member (122), wherein the adjusting member (122) and the fixing member (121) are movably connected to adjust the height of the adjusting assembly (120), and the upper end face and the lower end face of the adjusting assembly (120) are respectively used to contact the upper roller and the lower roller of the finishing mill; and the connecting member (110) is fixedly connected to the fixing member (121) along one side of its length direction.
2. The finishing mill roll gap measuring device according to claim 1, characterized in that: The adjusting member (122) and the fixing member (121) are threadedly connected.
3. The finishing mill roll gap measuring device according to claim 2, characterized in that: A threaded hole is provided on the fixing member (121), and the adjusting member (122) is a bolt, which is threadedly connected to the threaded hole.
4. The finishing mill roll gap measuring device according to claim 3, characterized in that: The bolts are arranged vertically.
5. The finishing mill roll gap measuring device according to claim 3, characterized in that: The fixing member (121) comprises a body (1211) and a nut (1212), the nut (1212) is fixedly connected to the body (1211), and the threaded hole is provided on the nut (1212).
6. The finishing mill roll gap measuring device according to claim 5, characterized in that: The connecting member (110) and the main body (1211) are both tubular members, and one end of the connecting member (110) is fixedly connected to an end of the main body (1211) away from the adjusting member (122).
7. The finishing mill roll gap measuring device according to claim 6, characterized in that: The connecting member (110) and the main body (1211) are perpendicular.
8. The finishing mill roll gap measuring device according to claim 6, characterized in that: The fixing member (121) further comprises a positioning tube (1213), wherein the positioning tube (1213), the connecting member (110) and the body (1211) are perpendicular to each other, and the positioning tube (1213) is fixedly arranged at one end of the body (1211) away from the adjusting member (122), and the positioning tube (1213) is arranged horizontally, and the side of the positioning tube (1213) away from the adjusting member (122) is used for contacting the lower roller.
9. The finishing mill roll gap measuring device according to any one of claims 1 to 8, characterized in that: The height adjustment range of the adjustment component (120) is 60 mm to 80 mm.
10. The finishing mill roll gap measuring device according to any one of claims 1 to 8, characterized in that: The length of the connecting piece (110) is 1500 mm.