Safety device special for finish rolling side guide plate of steel rolling mill

Abstract

The invention discloses a safety device special for a finish rolling side guide plate of a steel mill, which comprises a base, a supporting column is rotatably mounted on one side surface of the base, a supporting plate is fixedly mounted at one end, away from the base, of the supporting column, a mounting plate is fixed on the surface, away from the base, of the supporting plate, a warning box is arranged on the mounting plate, and a sliding rod is mounted on the side wall of the warning box. The sliding rod penetrates through the side wall of the warning box, a ball is rotationally installed at one end of the sliding rod, a push plate is fixedly installed at the end, located in the warning box, of the sliding rod, elastic pieces distributed around the sliding rod are fixedly installed on the push plate, and the ends, away from the push plate, of the elastic pieces are fixedly connected with the warning box. The surface of one side of the placement plate is in sliding contact with the push plate and is provided with multiple groups of placement grooves, the placement grooves are gradually away from the push plate in one direction, the ends, away from the push plate, of the placement grooves communicate with limiting pipes, and warning balls are arranged in the placement grooves. The device can detect and judge the subsequent retraction condition of the side guide plate, and can carry out continuous detection reminding.

Description

Technical Field

[0001] The invention relates to a special safety device for a finishing rolling side guide plate in a steel rolling mill. Background Art

[0002] The side guide of Xinjiang Bagang's 1750mm hot rolling mill is one of the important equipment for hot rolling production. Through its clamping and guiding, the strip can be kept centered and smoothly enter each finishing mill. While the side guide is guiding the strip, it gradually wears under the action of friction, forming grooves, which affects the edge quality of the strip. For this reason, the side guide must be replaced. In addition, when changing the rollers in the finishing rolling, the finishing side guide needs to be moved outward using a hydraulic cylinder to complete the roller change and maintenance work. Due to the accidental rotation of the equipment during the maintenance and roller change process, the side guide needs a safety device to detect and remind the status of the side guide after moving outward to prevent the side guide from retracting without knowing it. Most of the existing safety devices can only determine that the side guide has retracted when in use, but the subsequent retraction of the side guide cannot be detected and judged, and continuous detection and reminder cannot be performed, causing personal injury. Therefore, a special safety device for the side guide was invented. To ensure the safety of operators and maintenance personnel. Summary of the invention

[0003] The purpose of the present invention is to provide a special safety device for the finishing rolling side guide plate of a steel rolling mill, which can detect and judge the subsequent retraction of the side guide plate and can provide continuous detection and reminder.

[0004] The present invention provides the following technical solutions: The cam is provided with a support plate at one end thereof, and a bell is provided at the other end thereof, and a moving component which drives the warning box to move laterally is provided on the mounting plate.

[0005] A worm is rotatably mounted on the base, the worm is perpendicular to the support post and meshes with a worm wheel fixedly mounted on the support post.

[0006] The diameter of the warning ball is larger than the width of the placement groove and smaller than the diameter of the limiting tube.

[0007] An L-shaped pressure plate is slidably installed on one end of the placement plate away from the push plate. The vertical section of the pressure plate passes through the placement plate and a fixing screw for fixing the pressure plate is threadedly connected on the placement plate.

[0008] The mobile assembly comprises a mobile frame, which is arranged as a frame-type structure and is slidably mounted on a mounting plate. The mobile frame penetrates the mounting plate and one end of the mobile frame is fixedly connected to the warning box.

[0009] The moving assembly also includes a threaded rod, which is rotatably mounted on the mounting plate and distributed along the moving direction of the moving frame. The threaded rod penetrates the moving frame and is threadedly connected with the moving frame.

[0010] The number of sounds emitted by the bell can be used to determine the retracted state of the side guide, and the retracted state of the side guide can be continuously detected and reminded, thereby effectively reminding maintenance personnel that the side guide state is abnormal, which is conducive to maintenance personnel taking corresponding measures, thereby improving the reminder effect of the device and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the front view of the present invention.

[0012] Figure 2 for Figure 1 Enlarged view of A1 in the figure.

[0013] Figure 3 It is a top view of the warning box of the present invention.

[0014] Among them: 1. Base; 2. Pillar; 3. Support plate; 4. Worm gear; 5. Worm; 6. Mounting plate; 7. Threaded rod; 8. Moving frame; 9. Warning box; 10. Placement plate; 11. Placement slot; 12. Warning ball; 13. Limiting tube; 14. Pressure plate; 15. Fixing screw; 16. Sliding rod; 17. Ball; 18. Push plate; 19. Spring; 20. Elastic plate; 21. Bell; 22. Moving assembly. Implementation

[0015] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0016] See also Figure 1-Figure 3A special safety device for a finishing side guide plate in a steel rolling mill comprises a base 1, a pillar 2 is rotatably mounted on the surface of one side of the base 1, a support plate 3 is fixedly mounted on the end of the pillar 2 away from the base 1, a mounting plate 6 is fixedly mounted on the surface of the support plate 3 away from the base 1, a warning box 9 is arranged on the mounting plate 6, a slide bar 16 is slidably mounted on the side wall of the warning box 9, the slide bar 16 penetrates the side wall of the warning box 9 and a ball 17 is rotatably mounted on one end of the slide bar 16 located outside the warning box 9, a push plate 18 is fixedly mounted on the end of the slide bar 16 located inside the warning box 9, elastic members distributed around the slide bar 16 are fixedly mounted on the push plate 18, and the elastic members are away from the push plate 18. One end is fixedly connected to the warning box 9, and a placing plate 10 is fixedly installed in the warning box 9. One side surface of the placing plate 10 is in sliding contact with the push plate 18 and a plurality of placing grooves 11 are provided on this surface. The placing grooves 11 gradually move away from the push plate 18 along one direction and the end of the placing grooves 11 away from the push plate 18 is connected to the limiting tube 13, and a warning ball 12 is arranged in the placing groove 11. A plurality of elastic plates 20 are fixedly installed in the warning box 9, and the elastic plates 20 are respectively located at the projection positions of the limiting tube 13 and a bell 21 is installed at the end of the elastic plate 20 away from the side wall of the warning box 9, and a moving component 22 for driving the warning box 9 to move laterally is arranged on the mounting plate 6.

[0017] A worm 5 is rotatably mounted on the base 1 . The worm 5 is skewed and perpendicular to the support 2 , and the worm 5 is meshed with a worm wheel 4 fixedly mounted on the support 2 .

[0018] The diameter of the warning ball 12 is larger than the width of the placement groove 11 and smaller than the diameter of the limiting tube 13 .

[0019] An L-shaped pressing plate 14 is slidably mounted on one end of the placement plate 10 away from the push plate 18 . The vertical section of the pressing plate 14 passes through the placement plate 10 and a fixing screw 15 for fixing the pressing plate 14 is threadedly connected to the placement plate 10 .

[0020] When the present invention is actually applied, the base 1 is installed in a suitable position, and the worm 5 is rotated. The worm 5 drives the pillar 2 to rotate through the meshing worm gear 4, so that the pillar 2 drives the support plate 3 to rotate and change the direction of the slide bar 16, adjust the slide bar 16 to point to the side guide plate and make the moving direction of the slide bar 16 and the moving direction of the side guide plate in a straight line, and then the moving component 22 drives the warning box 9 to move to the side of the side guide plate so that the ball 17 contacts the side guide plate. When the side guide plate retracts abnormally during the inspection and maintenance process, the movement of the side guide plate will push the push plate 18 to move through the slide bar 16 and stretch the elastic member, and reduce the friction between the side guide plate and the ball 17, which is beneficial to protecting the side guide plate. When the push plate 18 moves, it pushes the warning ball 12 to move in the placement groove 11, and then the warning ball 12 falls downward through the limit tube 13. After the warning ball 12 falls, it will hit the elastic plate 20 produces an impact so that the bell 21 on the elastic plate 20 makes a sound, thereby the side guide plate of the suitcase staff retracts through the sound of the bell 21. When the side guide plate continues to retract, the push plate 18 continues to move to push more warning balls 12 to fall from the placement plate 10, and then more bells 21 will make sounds under the impact of the warning balls 12. Therefore, the retraction state of the side guide plate can be judged by the number of sounds made by the bell 21, and the retraction state of the side guide plate can be continuously reminded, thereby effectively reminding the maintenance personnel of the abnormal state of the side guide plate, which is conducive to the maintenance personnel to take corresponding measures, improves the reminder effect of the device, and is convenient for use. When not in use, the warning ball 12 is placed in the placement groove 11 and then the warning ball 12 is pressed tightly in the placement groove 11 by the pressure plate 14, and the pressure plate 14 is fixed by the fixing screw 15.

[0021] The elastic member of the present invention is a spring 19 , and may also be other elastic members such as an elastic ball. The spring 19 provides a pulling force to the push plate 18 to prevent the push plate 18 from moving unnecessarily.

[0022] like Figure 1 As shown, the moving assembly 22 includes a moving frame 8 , which is configured as a frame-type structure and is slidably mounted on the mounting plate 6 . The moving frame 8 penetrates the mounting plate 6 and one end of the moving frame 8 is fixedly connected to the warning box 9 .

[0023] The moving assembly 22 further includes a threaded rod 7 , which is rotatably mounted on the mounting plate 6 and distributed along the moving direction of the moving frame 8 . The threaded rod 7 penetrates the moving frame 8 and is threadedly connected to the moving frame 8 .

[0024] In actual application, the threaded rod 7 is rotated, and the movable frame 8 is moved along the length direction of the threaded rod 7 under the action of the threaded rod 7, and the warning box 9 can be driven to move horizontally through the movable frame 8.

Claims

1. A special safety device for a finishing rolling side guide plate in a steel rolling mill, comprising a base, characterized in that: The cam is provided with a support plate at one end, the support plate is provided with a support plate at one end, the support plate is provided with a support plate at one end, the support plate is provided with a support plate at one end, the support plate is provided with a support plate at one end, the support plate is provided with a support plate at one end, the support plate is provided with a support plate at one end, the support plate is provided with a support plate at one end, the support plate is provided with a support plate at one end, the support plate is provided with a support plate at one end, the support plate 2. A special safety device for finishing rolling side guides in a steel rolling mill according to claim 1, characterized in that: A worm is rotatably mounted on the base, the worm is perpendicular to the support post and meshes with a worm wheel fixedly mounted on the support post.

3. A special safety device for finishing rolling side guides in a steel rolling mill according to claim 1, characterized in that: The diameter of the warning ball is larger than the width of the placement groove and smaller than the diameter of the limiting tube.

4. A special safety device for finishing rolling side guides in a steel rolling mill according to claim 1, characterized in that: An L-shaped pressure plate is slidably installed on one end of the placement plate away from the push plate. The vertical section of the pressure plate passes through the placement plate and a fixing screw for fixing the pressure plate is threadedly connected on the placement plate.

5. The special safety device for the finishing side guide plate of a steel mill according to claim 1 is characterized in that: The mobile assembly comprises a mobile frame, which is arranged as a frame-type structure and is slidably mounted on a mounting plate. The mobile frame penetrates the mounting plate and one end of the mobile frame is fixedly connected to the warning box.

6. A special safety device for finishing rolling side guides in a steel rolling mill according to claim 5, characterized in that: The moving assembly also includes a threaded rod, which is rotatably mounted on the mounting plate and distributed along the moving direction of the moving frame. The threaded rod penetrates the moving frame and is threadedly connected with the moving frame.

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