Adjustable short-stress rolling mill stand dismounting platform

Abstract

The utility model relates to an adjustable short-stress rolling mill stand dismounting platform, and belongs to the technical field of rolling mill maintenance equipment. According to the technical scheme, a first platform (1) is arranged on the left side of a steel plate (8) in the length direction, a second platform (3) is arranged on the right side of the steel plate (8) in the length direction, rollers (7) are welded to the four corners of the bottom of the third platform (3), and the height of the first platform (1) is matched with that of the second platform (3); the rail (6) is welded to the outer side of the steel plate (8) in the width direction, the second platform (3) is placed on the rail (6) through the roller (7), the nuts (4) are welded to the two sides of the rail (6), and the number and the positions of the nuts (4) are matched with the type of a rolling mill and the width of a rolling mill supporting seat. The utility model has the beneficial effects that the operation steps are optimized, the working efficiency is improved, the operation safety level is reduced, and the hoisting operation is not needed any more.

Description

Technical Field

[0001] The utility model relates to an adjustable short-stress rolling mill frame disassembly platform, belonging to the technical field of rolling mill maintenance equipment. Background Art

[0002] At present, SIEMENS-VAI short stress rolling mill is used for roughing and medium rolling, which has the advantages of high rigidity, small bounce, high precision and short roll changing time. The rolling mill was put into use in 2008. The equipment is constantly aging. In order to ensure the precision of the rolling mill, the rolling mill frame must be frequently dismantled, inspected and maintained. When the rolling mill frame is disassembled, it needs to be hoisted to a special disassembly platform for disassembly. The red circle rolling mill has three models: 464, 455 and 445. Due to the different sizes of the frames, the spacing of the disassembly platform needs to be repeatedly adjusted by crane to meet the disassembly needs, which greatly affects the work efficiency. Summary of the invention

[0003] The purpose of the utility model is to provide an adjustable short-stress rolling mill frame disassembly platform, which is fixed by setting nuts on the rails according to the width of the rolling mill support seat, and the platform gap can be adjusted and the position can be fixed in one step according to the different rolling mill models, thereby optimizing the operation steps, improving work efficiency, and reducing the operation safety level. There is no need for lifting operations, and the above-mentioned problems existing in the background technology are effectively solved.

[0004] The technical solution of the utility model is: an adjustable short-stress rolling mill frame disassembly platform, comprising platform one, a rolling mill support, platform two, nuts, pins, tracks, rollers, steel plates and supporting feet, wherein the platform one is arranged on the left side in the length direction of the steel plate, the platform two is arranged on the right side in the length direction of the steel plate, and the rolling mill support is arranged between the platform one and the platform two; the rollers are welded to the four corners at the bottom of the platform two, the supporting feet are welded to the bottom of the platform one, and the heights of the platform one and the platform two are matched; there are two tracks, which are welded to the outside in the width direction of the steel plate, the platform two is placed on the tracks through rollers, the nuts are welded to both sides of the tracks and fixed by pins, and the number and position of the nuts are matched with the type of the rolling mill and the width of the rolling mill support seat.

[0005] The roller comprises a wheel, a shaft and a bearing, which are assembled in sequence.

[0006] The platform 1 and the platform 2 are box-shaped structures with dimensions of 2000 mm in length, 1000 mm in width, and 700 mm in height, and are made of 20 mm thick steel plates.

[0007] The rail is arranged at a position 300 mm away from the edge of the steel plate in the width direction.

[0008] There are three groups of nuts, model M30. The widths of the three types of rolling mill support seats are 760mm, 900mm and 1040mm. The three groups of nuts are welded at 300mm on both sides of the track at three positions of 340mm, 200mm and 60mm from the right edge of the steel plate in the length direction.

[0009] The beneficial effects of the utility model are as follows: by setting nuts on the rails for fixing according to the width of the rolling mill support seat, the platform gap can be adjusted and the position can be fixed in one step according to different rolling mill models, thereby optimizing the operating steps, improving work efficiency, and at the same time reducing the operation safety level, and no longer requiring lifting operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the structure of the roller of the utility model;

[0012] In the figure: platform one 1, rolling mill support 2, platform two 3, nut 4, pin 5, track 6, roller 7, steel plate 8, support foot 9, wheel 10, shaft 11, bearing 12. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical solution and advantages of the utility model implementation case clearer, the technical solution in the implementation case of the utility model will be clearly and completely described in combination with the drawings in the implementation case. Obviously, the implementation case described is a small part of the implementation case of the utility model, rather than all the implementation cases. Based on the implementation case in the utility model, all other implementation cases obtained by ordinary technicians in this field without making creative work are within the protection scope of the utility model.

[0014] An adjustable short-stress rolling mill frame disassembly platform comprises a platform 1, a rolling mill support 2, a platform 2 3, nuts 4, pins 5, tracks 6, rollers 7, steel plates 8 and support legs 9, wherein the platform 1 is arranged on the left side of the steel plate 8 in the length direction, the platform 2 3 is arranged on the right side of the steel plate 8 in the length direction, and the rolling mill support 2 is arranged between the platform 1 and the platform 2 3; the rollers 7 are welded to the four corners of the bottom of the platform 2 3, the support legs 9 are welded to the bottom of the platform 1, and the heights of the platform 1 and the platform 2 3 match; there are two tracks 6, which are welded to the outer sides of the steel plate 8 in the width direction, the platform 2 3 is placed on the tracks 6 through the rollers 7, the nuts 4 are welded to the two sides of the tracks 6 and fixed by the pins 5, and the number and position of the nuts 4 match the type of the rolling mill and the width of the rolling mill support seat.

[0015] The roller 7 comprises a wheel 10, a shaft 11 and a bearing 12, which are assembled in sequence.

[0016] The platform 1 and platform 2 3 are box-shaped structures with dimensions of 2000 mm in length, 1000 mm in width, and 700 mm in height, and are made of 20 mm thick steel plates.

[0017] The rail 6 is disposed at a position 300 mm away from the edge of the steel plate 8 in the width direction.

[0018] There are three groups of nuts 4, model M30, and the widths of the three types of rolling mill support seats are 760mm, 900mm and 1040mm. The three groups of nuts 4 are respectively welded at 300mm on both sides of the track 6 at three positions of 340mm, 200mm and 60mm away from the right edge of the steel plate 8 in the length direction. Example

[0019] The working process of the utility model is as follows:

[0020] Step 1: Use 20mm thick steel plates to make two box-shaped platform 1 and platform 2 3, which are 2000mm long, 1000mm wide and 700mm high. Tool spare parts can be placed inside to facilitate disassembly work.

[0021] Step 2: At the four corners of the bottom of platform 2 3, rollers 7 are welded to the four corners with a steel bar that is 10mm long, 10mm wide and 90mm high. The rollers 7 are assembled from two wheels 10 with an outer diameter of 100mm, an inner diameter of 52mm and a width of 20mm, two 6205 bearings 12, and an outer diameter of 25mm and a length of 50mm to facilitate the movement of platform 2 3. Support feet 9 with a length of 40mm, a width of 40mm and a height of 120mm are welded at the bottom of platform 1. The heights of platform 1 and platform 2 must be consistent.

[0022] Step 3: Lay a steel plate 8 with a length of 5100 mm, a width of 1500 mm, and a thickness of 20 mm on the ground. At a distance of 300 mm from the edge of the steel plate 8, weld two steel pipes with a diameter of 6 mm and a length of 3000 mm as the track 6.

[0023] Step 4: Lift platform 1 to the left side of the steel plate 8, 250mm away from the edge in the length direction and 250mm away from the edge in the width direction. Lift platform 2 3 to the right side of the steel plate 8. Place the roller 7 on the track 6. According to the widths of the three types of rolling mill support seats of 760mm, 900mm and 1040mm, weld M30 nuts 4 at 300mm on both sides of the track at three positions of 340mm, 200mm and 60mm away from the right edge of the steel plate 8 in the width direction. Make pins 5 with a diameter of 28mm. During operation, adjust the platform gap according to the different types of rolling mills, and insert pins 5 to fix the position.

[0024] The utility model is safe, simple and efficient to use on site, optimizes the operation steps, improves work efficiency, reduces the safety level of the operation, and no longer requires hoisting operations. Time cost: The non-adjustable disassembly platform requires 3 people to operate for 20 minutes to adjust the gap. After the transformation is completed, it can be easily completed by 1 person in 1 minute. It can save 1 working hour each time, and 30 working hours can be saved per month. The working hour fee is calculated at 40 yuan, which can save 1,200 yuan per month and 14,400 yuan per year.

Claims

1. An adjustable short stress rolling mill frame disassembly platform, characterized in that: The invention comprises a platform (1), a rolling mill support (2), a platform (3), nuts (4), pins (5), rails (6), rollers (7), a steel plate (8) and support legs (9), wherein the platform (1) is arranged on the left side of the steel plate (8) in the length direction, the platform (3) is arranged on the right side of the steel plate (8) in the length direction, and the rolling mill support (2) is arranged between the platform (1) and the platform (3); the rollers (7) are welded to the four corners of the bottom of the platform (3), the support legs (9) are welded to the bottom of the platform (1), and the heights of the platform (1) and the platform (3) match; there are two rails (6) welded to the outer side of the steel plate (8) in the width direction, the platform (3) is placed on the rails (6) through the rollers (7), the nuts (4) are welded to both sides of the rails (6) and fixed by the pins (5), and the number and position of the nuts (4) match the type of the rolling mill and the width of the rolling mill support seat.

2. The adjustable short stress rolling mill frame disassembly platform according to claim 1, characterized in that: The roller (7) comprises a wheel (10), a shaft (11) and a bearing (12), which are assembled in sequence.

3. The adjustable short stress rolling mill frame disassembly platform according to claim 1, characterized in that: The platform 1 (1) and the platform 2 (3) are box-shaped structures with dimensions of 2000 mm in length, 1000 mm in width and 700 mm in height, and are made of 20 mm thick steel plates.

4. The adjustable short stress rolling mill frame disassembly platform according to claim 1, characterized in that: The rail (6) is arranged at a position 300 mm away from the edge of the steel plate (8) in the width direction.

5. The adjustable short stress rolling mill frame disassembly platform according to claim 4, characterized in that: There are three groups of nuts (4), model M30, and the widths of the three types of rolling mill support seats are 760 mm, 900 mm, and 1040 mm. The three groups of nuts (4) are respectively welded at 300 mm on both sides of the track (6) at three positions of 340 mm, 200 mm, and 60 mm from the right edge of the steel plate (8) in the length direction.

Images