Distance measuring device for gap between lining plates of rolling line rack
By designing a distance measuring device for the gap between the liner lining plates of the liner, the problems of low measurement efficiency and poor accuracy in the prior art are solved, and efficient and accurate gap measurement is achieved, ensuring the correct position of the roll bearing seat and avoiding the crossing of the working rollers.
Patent Information
- Application Number
- CN202420508318.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-15
AI Technical Summary
In the prior art, the measurement efficiency of the liner lining plate gap of the rolling liner is low and the accuracy is poor, resulting in an increase in the moving space of the roll bearing seat, which easily leads to the crossing of the working rollers.
A distance measuring device including a base plate, a lifting part, a correction part and a distance measuring part is designed. The lifting part realizes the lifting and lowering of the distance measuring part at different positions through the hydraulic cylinder and the guide, and the correction part ensures that the center point of the bottom plate is above the center line of the roller through the gear and slide rail system. The distance measuring part includes a lifting table, a partition plate and a distance measuring mechanism, and accurately measure distance through the guide cylinder and the distance measuring column.
This device can efficiently and accurately measure the gap between the liner lining plates, reduce measurement errors, improve measurement accuracy, ensure the correct position of the roll bearing seat, and avoid the occurrence of working roller crossing.
Smart Images
Figure CN222635381U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a distance measuring device, in particular to a device capable of measuring the gap between lining plates inside a frame of a rolling line, belonging to the technical field of steel rolling measuring equipment. Background Art
[0002] The mill arch is also called the frame. It is a device composed of two frames for installing the roller bearing seat and the roller, and the inner side of the frame is inlaid with lining plates. The size between the two lining plates is called the mill arch gap. If the gap is too large, the roller bearing seat will have more moving space, resulting in deviation of the axial center line of the upper and lower rollers, which is easy to cause the working rollers to cross. The rollers are mainly subjected to radial loads during operation, and the axial force is mainly due to the plane intersection of the rollers. The larger the angle, the greater the axial force. On-site measurements found that the deviation distances of the moving block slides on the operating side and the transmission side of the working roller are different from the corresponding support roller slides, that is, the axis of the working roller and the axis of the support roller are not parallel, and there is a small angle, which causes cross rolling, thereby generating axial force. At present, the distance between the liner plates on both sides and the roller axis is roughly measured by manually holding a ruler based on experience, which is not only inefficient, but also has poor measurement accuracy. Therefore, a device that can accurately and efficiently measure the liner gap is needed. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a distance measuring device for the gap between lining plates of a rolling mill frame, which can not only reduce the labor intensity of the staff, but also improve the accuracy of the measurement data of the gap between lining plates of the rolling mill.
[0004] The problem described in the utility model is solved by the following technical solutions:
[0005] A distance measuring device for the gap of the lining plate of a rolling mill frame comprises a base plate, a lifting part, a correction part and a distance measuring part; the base plate is placed at a central position on the top end surface of the outer shell of a roller bearing box; the correction part is arranged at the bottom end of the base plate; the lifting part is arranged at the upper end surface of the base plate, and the distance measuring part is arranged on the lifting part; the lifting part comprises a guide and a hydraulic cylinder; the hydraulic cylinder housing is arranged at a central position on the upper end surface of the base plate; the number of the guides is two, and they are symmetrically arranged on both sides of the upper end surface of the base plate; the guide comprises a column and a guide column; the column is vertically arranged on the upper end surface of the base plate, a guide hole is arranged at the top end of the column, and the guide column is inserted into the guide hole at the top end of the column.
[0006] The above-mentioned distance measuring device for the gap between the lining plates of the rolling mill frame, the distance measuring part includes a lifting platform, a partition plate and a distance measuring mechanism; the lifting platform is arranged at the top end of the guide column; the lower end face of the lifting platform is connected to the end of the hydraulic cylinder piston rod; the partition plate is arranged at the center position of the upper end face of the lifting platform, and the center line of the partition plate is perpendicular to the length direction line of the lifting platform, and the length direction line of the lifting platform is parallel to the length direction line of the bottom plate; the number of the distance measuring mechanisms is two, and they are symmetrically arranged on both sides of the upper end face of the lifting platform along the length direction of the lifting platform.
[0007] The above-mentioned distance measuring device for the gap between the lining plates of the rolling mill frame, the distance measuring mechanism includes a guide cylinder, a distance measuring column and a handle; one end of the guide cylinder is arranged on the partition plate, and the other end is flush with the side wall of the lifting platform, and the center line of the guide cylinder is parallel to the length direction line of the lifting platform; the distance measuring column is inserted in the guide cylinder, and the outer wall of the distance measuring column is provided with scales along its length direction; the side wall of the guide cylinder is provided with strip-shaped through holes along its length direction, and the handle passes through the strip-shaped holes on the side wall of the guide cylinder and is connected to one end of the outer wall of the distance measuring column close to the partition plate.
[0008] The above-mentioned distance measuring device for the gap between the lining plates of the rolling mill frame, the correction part includes a first correction mechanism and a second correction mechanism; a strip groove is arranged at the center position of the lower end surface of the bottom plate along its length direction, and the center line of the strip groove is parallel to the length direction line of the bottom plate; the first correction mechanism and the second correction mechanism are respectively arranged at the two ends of the strip groove at the lower end of the bottom plate; a gear is axially arranged at the center position of the strip groove at the lower end of the bottom plate; two slide rails are symmetrically arranged at both ends of the strip groove of the bottom plate, and the center line of the slide rails is parallel to the center line of the strip groove of the bottom plate.
[0009] The above-mentioned distance measuring device for the gap between the lining plates of the rolling mill frame, the first correction mechanism includes a first slider, a first flap and a first rack; the first slider is slidably set on the guide rail of the strip-shaped groove of the bottom plate; the bottom end surface of the first slider is provided with a hinged seat, and the first flap is hingedly set on the hinged seat at the bottom end of the first slider; the first rack is set on the side wall of the first slider, and the first rack is meshingly connected with the gear.
[0010] The above-mentioned distance measuring device for the gap between the lining plates of the rolling mill frame, the second correction mechanism includes a second slider, a second flap and a second rack; the second slider is slidably set on the guide rail of the strip-shaped groove of the bottom plate, and the second slider is symmetrical with the first slider relative to the axial center line of the gear; a hinge seat is set on the bottom end surface of the second slider, and the second flap is hingedly set on the hinge seat at the bottom end of the second slider; the second rack is set on the side wall of the second slider, and the second rack is meshingly connected with the gear; the first rack and the second rack are oppositely located on both sides of the gear; the center lines of the first rack and the second rack are parallel to the length direction line of the bottom plate.
[0011] The utility model enables the distance measuring part to measure the gap of the liner at different positions through the lifting part, thereby reducing the measurement error and improving the measurement accuracy; the distance measuring part can accurately measure the distance between the axis center line of the roller and the liner; the correction part ensures that the center point of the bottom plate is located directly above the axis center line of the roller, further ensuring that the data measured by the distance measuring part is the distance between the axis center line of the roller and the liner. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the three-dimensional structure at a low angle of the present utility model;
[0013] Figure 2 It is a schematic diagram of the elevation-angle three-dimensional structure of the utility model.
[0014] The list of numbers in the figure is: 1. Base plate, 2. Post, 3. Guide post, 4. Lifting platform, 5. Partition plate, 6. Guide cylinder, 7. Distance measuring post, 8. Handle, 9. Gear, 10. First slider, 11. First flap, 12. First rack, 13. Second correction mechanism. DETAILED DESCRIPTION
[0015] See also Figure 1 and Figure 2 The utility model comprises a bottom plate 1, a lifting part, a correction part and a distance measuring part; the bottom plate 1 is placed at the center of the top end surface of the outer shell of the roller bearing box; in a steel rolling mill, the center of the upper end surface of the outer shell of the bearing box carrying the roller is a horizontal plane, and this horizontal plane extends to both sides and has a downward slope, and then there is a horizontal plane of the next layer, and the vertical plane containing the axis of the roller is set as the reference vertical plane; the upper end surface of the outer shell of the bearing box is symmetrical about the reference vertical plane, that is, the position of the axis of the roller on the horizontal plane can be found by finding the center of the top end surface of the bearing box; the correction part is arranged at the bottom end of the bottom plate 1; the correction part is used to find the center of the bottom plate 1 to ensure that the center of the bottom plate 1 can be located directly above the axis of the roller; The lifting part is arranged on the upper end surface of the base plate 1, and the distance measuring part is arranged on the lifting part; multiple lining plate gaps can be measured through the lifting part, thereby reducing the measurement error; the lifting part includes a guide member and a hydraulic cylinder; the hydraulic cylinder housing is arranged at the center position of the upper end surface of the base plate 1; the number of the guide members is two, and they are symmetrically arranged on both sides of the upper end surface of the base plate 1; the guide member includes a column 2 and a guide column 3; the column 2 is vertically arranged on the upper end surface of the base plate 1, and a guide hole is arranged at the top of the column 2, and the guide column 3 is inserted into the guide hole at the top of the column 2; the lower end surface of the lifting platform 4 is connected to the end of the hydraulic cylinder piston rod; the hydraulic cylinder can drive the lifting platform to rise and fall; the guide column 3 can provide a guiding effect for the lifting and falling of the lifting platform.
[0016] The distance measuring part includes a lifting platform 4, a partition plate 5 and a distance measuring mechanism; the lifting platform 4 is arranged at the top end of the guide column 3; the partition plate 5 is arranged at the center position of the upper end surface of the lifting platform 4, and the center line of the partition plate 5 is perpendicular to the length direction line of the lifting platform 4, and the length direction line of the lifting platform 4 is parallel to the length direction line of the bottom plate 1; the center line of the partition plate 5 is located directly above the center point of the bottom plate 1; after the center of the bottom plate 1 is located directly above the axis of the roller, the distance between the partition plate 5 directly above the center of the bottom plate 1 and the lining plates on both sides is the distance between the roller and the lining plates on both sides to be measured; the staff only needs the difference data of the two distances to judge the deviation of the roller by the difference in distance parameters; the number of the distance measuring mechanisms is two, and they are symmetrically arranged on both sides of the upper end surface of the lifting platform 4 along the length direction of the lifting platform 4.
[0017] The distance measuring mechanism includes a guide cylinder 6, a distance measuring column 7 and a handle 8; one end of the guide cylinder 6 is arranged on the partition plate 5, and the other end is flush with the side wall of the lifting platform 4, and the center line of the guide cylinder 6 is parallel to the length direction line of the lifting platform 4; the distance measuring column 7 is inserted in the guide cylinder 6, and the outer wall of the distance measuring column 7 is provided with a scale along its length direction; the distance measuring column 7 is pulled out by the handle to make it contact the lining plate at the end, and then the reading at the intersection of the distance measuring column 7 and the guide cylinder 6 is compared with the data collected by the distance measuring columns 7 on both sides to judge the state of the roller; the side wall of the guide cylinder 6 is provided with a strip-shaped through hole along its length direction, and the handle 8 passes through the strip hole on the side wall of the guide cylinder 6 and is connected to one end of the outer wall of the distance measuring column 7 close to the partition plate 5.
[0018] The correction part includes a first correction mechanism and a second correction mechanism 13; a strip groove is arranged at a central position of the lower end surface of the bottom plate 1 along its length direction, and the center line of the strip groove is parallel to the length direction line of the bottom plate 1; the first correction mechanism and the second correction mechanism 13 are respectively arranged at the two ends of the strip groove at the lower end of the bottom plate 1; a gear 9 is axially arranged at the central position of the strip groove at the lower end of the bottom plate 1; the axis line of the gear 9 intersects with the center point of the bottom plate 1; when the axis line of the gear 9 intersects with the axis line of the rolling roller, it means that the center point of the bottom plate 1 is located directly above the axis line of the rolling roller; two slide rails are symmetrically arranged at both ends of the strip groove of the bottom plate 1, and the center line of the slide rails is parallel to the center line of the strip groove of the bottom plate 1.
[0019] The first correction mechanism includes a first slider 10, a first flap 11 and a first rack 12; the first slider 10 is slidably arranged on the guide rail of the strip groove of the bottom plate 1; the two sliders slide on their respective guide rails; the bottom end surface of the first slider 10 is provided with a hinge seat, and the first flap 11 is hingedly arranged on the hinge seat at the bottom end of the first slider 10; the flap is used to match the slope of the upper end surface of the bearing box, that is, the center of the upper end surface of the bearing box mentioned above is a horizontal plane, this horizontal plane extends to both sides to have a downward slope, and then the horizontal plane of the next layer, the flap is used to fit with this slope for positioning; the first rack The rack 12 is arranged on the side wall of the first slider 10, and the first rack 12 is meshed with the gear 9 for transmission connection; when one slider moves, it will drive the other slider to move in the opposite direction synchronously, which ensures that the distance between the two sliders and the gears is consistent; when the two flaps are in fit with their corresponding slopes, it means that the gear alignment is successful at this time, the axis line of the gear intersects with the axis line of the roller, and the center point of the bottom plate 1 is located directly above the axis line of the roller. At this time, the distance difference between the partition plate and the lining plates on both sides is equivalent to the distance difference between the roller and the lining plates on both sides; the data difference measured by the distance measuring columns 7 on both sides is also equivalent to the distance difference between the roller and the lining plates on both sides.
[0020] The second correction mechanism 13 includes a second slider, a second flap and a second rack; the second slider is slidably set on the guide rail of the strip groove of the base plate 1, and the second slider is symmetrical with the first slider 10 relative to the axial center line of the gear 9; a hinge seat is set on the bottom end face of the second slider, and the second flap is hingedly set on the hinge seat at the bottom end of the second slider; the second rack is set on the side wall of the second slider, and the second rack is meshed and connected with the gear 9; the first rack 12 and the second rack are oppositely located on both sides of the gear 9; the center lines of the first rack 12 and the second rack are parallel to the length direction line of the base plate 1.
[0021] Actual use process: place the device on the bearing box, then adjust the position, and then push the two flaps to make them close to each other until they touch the slopes corresponding to their respective positions. If one flap touches the slope and the other does not, fine-tune the position of the bottom plate 1 until the two flaps fit perfectly with the slopes corresponding to their positions; at this time, the center point of the bottom plate 1 is directly above the axis of the roller; then pull the two handles to pull the distance measuring column 7 until both sides touch the lining plate, and then read the difference and calculate the difference. This difference is the difference in the distance between the roller and the side plates on both sides; then the hydraulic cylinder is activated to drive the lifting or falling, and the distance is measured again at a different point. After multiple measurements, the state of the roller is judged by the integration of multiple data.
Claims
1. A distance measuring device for the gap between lining plates of a rolling mill, characterized in that: The invention comprises a bottom plate (1), a lifting part, a correction part and a distance measuring part; the bottom plate (1) is placed at a central position on the top end surface of the outer shell of the roller bearing box; the correction part is arranged at the bottom end of the bottom plate (1); the lifting part is arranged at the upper end surface of the bottom plate (1), and the distance measuring part is arranged on the lifting part; the lifting part comprises a guide member and a hydraulic cylinder; the hydraulic cylinder shell is arranged at a central position on the upper end surface of the bottom plate (1); the number of the guide members is two, and they are symmetrically arranged on both sides of the upper end surface of the bottom plate (1); the guide member comprises a column (2) and a guide column (3); the column (2) is vertically arranged on the upper end surface of the bottom plate (1), a guide hole is arranged at the top end of the column (2), and the guide column (3) is inserted into the guide hole at the top end of the column (2).
2. The distance measuring device for the gap between the lining plates of the rolling mill according to claim 1 is characterized in that: The distance measuring part comprises a lifting platform (4), a partition plate (5) and a distance measuring mechanism; the lifting platform (4) is arranged at the top end of the guide column (3); the lower end surface of the lifting platform (4) is connected to the end of the piston rod of the hydraulic cylinder; the partition plate (5) is arranged at the center position of the upper end surface of the lifting platform (4), and the center line of the partition plate (5) is perpendicular to the length direction line of the lifting platform (4), and the length direction line of the lifting platform (4) is parallel to the length direction line of the bottom plate (1); the number of the distance measuring mechanisms is two, and they are symmetrically arranged on both sides of the upper end surface of the lifting platform (4) along the length direction of the lifting platform (4).
3. The distance measuring device for the gap between the lining plates of the rolling mill according to claim 2 is characterized in that: The distance measuring mechanism comprises a guide tube (6), a distance measuring column (7) and a handle (8); one end of the guide tube (6) is arranged on the partition plate (5), and the other end is flush with the side wall of the lifting platform (4), and the center line of the guide tube (6) is parallel to the length direction line of the lifting platform (4); the distance measuring column (7) is inserted into the guide tube (6), and the outer wall of the distance measuring column (7) is provided with scales along its length direction; the side wall of the guide tube (6) is provided with strip-shaped through holes along its length direction, and the handle (8) passes through the strip-shaped holes on the side wall of the guide tube (6) and is connected to one end of the outer wall of the distance measuring column (7) close to the partition plate (5).
4. The distance measuring device for the gap between the lining plates of the rolling mill stand according to claim 3 is characterized in that: The correction part comprises a first correction mechanism and a second correction mechanism (13); a strip groove is arranged at a central position of the lower end surface of the bottom plate (1) along its length direction, and the center line of the strip groove is parallel to the length direction line of the bottom plate (1); the first correction mechanism and the second correction mechanism (13) are respectively arranged at two ends of the strip groove at the lower end of the bottom plate (1); a gear (9) is axially arranged at a central position of the strip groove at the lower end of the bottom plate (1); two slide rails are symmetrically arranged at two ends of the strip groove of the bottom plate (1), and the center lines of the slide rails are parallel to the center line of the strip groove of the bottom plate (1).
5. The distance measuring device for the gap between the lining plates of the rolling mill stand according to claim 4 is characterized in that: The first correction mechanism comprises a first slider (10), a first flap (11) and a first rack (12); the first slider (10) is slidably arranged on a guide rail of a strip groove of a bottom plate (1); a hinge seat is arranged on the bottom end surface of the first slider (10), and the first flap (11) is hingedly arranged on the hinge seat at the bottom end of the first slider (10); the first rack (12) is arranged on a side wall of the first slider (10), and the first rack (12) is meshed and transmission-connected with a gear (9).
6. The distance measuring device for the gap between the lining plates of the rolling mill stand according to claim 5, characterized in that: The second correction mechanism (13) comprises a second slider, a second flap and a second rack; the second slider is slidably arranged on a guide rail of a strip groove of the bottom plate (1), and the second slider and the first slider (10) are symmetrical with respect to the axis of the gear (9); a hinge seat is arranged on the bottom end surface of the second slider, and the second flap is hingedly arranged on the hinge seat at the bottom end of the second slider; the second rack is arranged on the side wall of the second slider, and the second rack is meshed and connected with the gear (9); the first rack (12) and the second rack are oppositely located on both sides of the gear (9); the center lines of the first rack (12) and the second rack are parallel to the length direction line of the bottom plate (1).