Maintenance device for rolling line screw-down main push shaft of finishing machine

Abstract

The utility model discloses a finishing machine rolling line screw-down main push shaft maintenance device, and relates to the technical field of finishing machine accessory equipment, the finishing machine rolling line screw-down main push shaft maintenance device comprises a dismounting part and a moving part, the dismounting part is used for being detachably and fixedly connected with a main push shaft, and can drive the main push shaft to rotate so as to screw out a main push nut; the moving part is used for bearing the screwed-out main push shaft and can push the main push shaft out of the rack to the off-line working position, the structure is simple, use is convenient, the fault non-planned downtime is effectively shortened, and the maintenance work efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of skin-pass mill auxiliary equipment, in particular to a skin-pass mill rolling line down-pressing main push shaft maintenance device. Background Art

[0002] The skin-pass mill is an important equipment in the galvanizing production line to ensure the surface performance of the strip. Qualified products can be rolled out through precision adjustment of the rolling line device and the application of different operating modes.

[0003] The main push shaft of the rolling line is one of the important spare parts of the auxiliary equipment of the skin-pass mill. The smooth rotation of the transmission devices on both sides ensures the stable operation of the rolling line device inside the skin-pass mill, avoiding accidents such as rolling stoppage or increased maintenance due to poor operation of the rolling line device. If the main push shaft causes the rolling line device to malfunction or undergo routine maintenance, it will not be able to be removed for maintenance in a short time. Utility Model Content

[0004] The purpose of the utility model is to provide a maintenance device for the main push shaft of the rolling line of a skin-pass mill to solve the problems existing in the above-mentioned prior art. It has a simple structure, is easy to use, effectively reduces unplanned downtime caused by failures, and improves maintenance work efficiency.

[0005] To achieve the above purpose, the present invention provides the following solutions:

[0006] The utility model provides a maintenance device for the main push shaft of the rolling line of a skin-pass mill, comprising: a disassembly part and a moving part, wherein the disassembly part is used to be fixedly connected to the main push shaft in a detachable manner, and can drive the main push shaft to rotate to unscrew the main push nut; the moving part is used to receive the unscrewed main push shaft, and can push the main push shaft out of the frame to the offline working position.

[0007] Preferably, the disassembly part includes a first connecting rod, a first fixing plate, a second connecting rod and a second fixing plate, the bottom of the first connecting rod is used to be detachably fixedly connected to the main push shaft, the top of the first connecting rod is used to be detachably fixedly connected to the lifting device, the bottom of the second connecting rod is used to be detachably fixedly connected to the main push shaft, the top of the second connecting rod is used to be detachably fixedly connected to the lifting device, the first fixing plate is fixedly connected to the top of the first connecting rod, the second fixing plate is fixedly connected to the top of the second connecting rod, and the first fixing plate is used to be detachably fixedly connected to the second fixing plate.

[0008] Preferably, it also includes multiple fixing bolts and fixing nuts, the first fixing plate is provided with multiple first through holes, and the second fixing plate is provided with multiple second through holes, one of the fixing bolts is used to pass through one of the first through holes and one of the second through holes and then be threadedly connected with the fixing nut to fix the first fixing plate and the second fixing plate together.

[0009] Preferably, a first threaded section is provided at the bottom of the first connecting rod, and the first threaded section is used to be threadedly connected to the lifting screw hole at the top of the main push shaft. A second threaded section is provided at the bottom of the second connecting rod, and the second threaded section is used to be threadedly connected to the lifting screw hole at the top of the main push shaft.

[0010] Preferably, a first lifting ring is provided on the top of the first connecting rod, and a second lifting ring is provided on the top of the second connecting rod.

[0011] Preferably, the movable member includes a frame, a plurality of first traveling wheels and a plurality of second traveling wheels, the top of the frame is used to place the main push shaft, the first traveling wheels are arranged in a row at one end of the bottom of the frame, and the second traveling wheels are arranged in a row at one end of the bottom of the frame away from the first traveling wheels, the first traveling wheels are used to be rollingly connected to a linear rail of the internal track of the supporting roller frame, and the second traveling wheels are used to be rollingly connected to another linear rail of the internal track of the supporting roller frame.

[0012] Preferably, the height of the frame is 0.9 to 1.1 m.

[0013] Compared with the prior art, the utility model has achieved the following technical effects:

[0014] The utility model provides a maintenance device for the main push shaft of the rolling line of the skin-pass mill. The main push shaft is unscrewed from the main push nut through a disassembly part and placed on a moving part. The main push shaft is pushed out of the frame to the offline working position through the moving part. The utility model has a simple structure and is easy to use. It can effectively reduce the unplanned downtime of faults and improve the efficiency of maintenance work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a structural diagram of the disassembly parts in the maintenance device for the skin-pass mill rolling line push-down main push shaft provided by the utility model;

[0017] Figure 2 This is a structural diagram of the use of the disassembly parts in the maintenance device for the skin-pass mill rolling line push shaft provided by the present invention;

[0018] Figure 3 This is a schematic diagram of the structure of the moving parts in the maintenance device for the skin-pass mill rolling line push-down main push shaft provided by the utility model;

[0019] In the figure: 1. Disassembly part; 2. Moving part; 3. First connecting rod; 4. First fixed plate; 5. Second connecting rod; 6. Fixing bolt; 7. First threaded section; 8. Second threaded section; 9. First lifting ring; 10. Second lifting ring; 11. Frame; 12. First traveling wheel; 13. Second traveling wheel; 14. Main pushing shaft; 15. Main pushing nut; 16. Transmission shaft; 18. Archway; 19. Lifting equipment. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] The purpose of the utility model is to provide a maintenance device for the main push shaft of the rolling line of a skin-pass mill to solve the problems existing in the above-mentioned prior art. It has a simple structure, is easy to use, effectively reduces unplanned downtime caused by failures, and improves maintenance work efficiency.

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0023] The utility model provides a maintenance device for the skin-pass mill rolling line pressing down the main push shaft 14, such as Figures 1 to 3 As shown, it includes: a disassembly part 1 and a moving part 2. The disassembly part 1 is used to be fixedly connected to the main push shaft 14 so that it can be detached, and can drive the main push shaft 14 to rotate to unscrew the main push nut 15; the moving part 2 is used to receive the unscrewed main push shaft 14, and can push the main push shaft 14 out of the frame to the offline working position. The main push shaft 14 is unscrewed from the main push nut 15 through the disassembly part 1 and placed on the moving part 2. The main push shaft 14 is pushed out of the frame to the offline working position through the moving part 2. The structure is simple, easy to use, effectively reduces unplanned downtime due to failures, and improves maintenance work efficiency.

[0024] In a preferred embodiment, the disassembly part 1 includes a first connecting rod 3, a first fixing plate 4, a second connecting rod 5 and a second fixing plate. The bottom of the first connecting rod 3 is used to be detachably fixedly connected to the main push shaft 14, and the top of the first connecting rod 3 is used to be detachably fixedly connected to the lifting device. The bottom of the second connecting rod 5 is used to be detachably fixedly connected to the main push shaft 14, and the top of the second connecting rod 5 is used to be detachably fixedly connected to the lifting device. The first fixing plate 4 is fixedly connected to the top of the first connecting rod 3, and the second fixing plate is fixedly connected to the top of the second connecting rod 5. The first fixing plate 4 is used to be detachably fixedly connected to the second fixing plate. The structure is simple and convenient to carry and use.

[0025] In a preferred embodiment, the maintenance device for the skin-pass mill rolling line pressing down the main push shaft 14 also includes a plurality of fixing bolts 6 and fixing nuts, the first fixing plate 4 is provided with a plurality of first through holes, and the second fixing plate is provided with a plurality of second through holes. A fixing bolt 6 is used to pass through a first through hole and a second through hole and then be threadedly connected with the fixing nut to fix the first fixing plate 4 and the second fixing plate together. The structure is simple and convenient to carry and use.

[0026] In a preferred embodiment, a first threaded segment 7 is provided at the bottom of the first connecting rod 3, and the first threaded segment 7 is used to be threadedly connected to the lifting screw hole at the top of the main push shaft 14. A second threaded segment 8 is provided at the bottom of the second connecting rod 5, and the second threaded segment 8 is used to be threadedly connected to the lifting screw hole at the top of the main push shaft 14. The structure is simple and easy to use.

[0027] In a preferred embodiment, a first lifting ring 9 is provided on the top of the first connecting rod 3 , and a second lifting ring 10 is provided on the top of the second connecting rod 5 . The structures are simple and convenient for connection with the steel wire rope of the lifting equipment 19 .

[0028] In a preferred embodiment, the movable member 2 includes a frame 11, a plurality of first running wheels 12 and a plurality of second running wheels 13. The top of the frame 11 is used to place the main push shaft 14. The first running wheels 12 are arranged in a row at one end of the bottom of the frame 11, and the second running wheels 13 are arranged in a row at one end of the bottom of the frame 11 away from the first running wheels 12. The first running wheels 12 are used to be rollingly connected to a linear rail inside the support roller frame, and the second running wheels 13 are used to be rollingly connected to another linear rail inside the support roller frame. The structure is simple and easy to use.

[0029] In a preferred embodiment, the height of the frame 11 is 0.9 to 1.1 m, and the center distance of the support roller track is 1.17 m. To ensure that the first running wheel 12 and the second running wheel 13 of the movable part 2 must run on the linear track to realize the reverse transportation function, the width of the movable part 2 can refer to the center distance of the support roller track; the height is set to 1 m for the best effect based on the convenience of on-site construction operations.

[0030] In a preferred embodiment, Figure 2 As shown, the transmission shaft 16 above the main push shaft 14 pressed down by the rolling line is located at its center position. In the working position, the distance A between the installation section of the transmission shaft 16 and the main push shaft 14 and the top of the arch 18 is about 0.81 meters. The main push shaft 14 is located inside the rolling line device at a distance B of about 0.42 meters. Considering that the disassembly part 1 must ensure that the main push shaft 14 can be unscrewed and can be smoothly hoisted onto the moving part 2, and also considering the convenience of upper operations, the overall length of the disassembly part 1 is designed to be 0.81+0.42+0.77=2 meters.

[0031] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A maintenance device for the main push shaft of a skin-pass mill rolling line, characterized by: include: a disassembly member, the disassembly member being used to be detachably fixedly connected to the main push shaft and capable of driving the main push shaft to rotate so as to unscrew the main push nut; as well as The movable part is used to receive the main push shaft that is rotated out and can push the main push shaft out of the frame to the offline working position.

2. The skin-pass mill rolling line push-down main push shaft maintenance device according to claim 1, characterized in that: The disassembly part includes a first connecting rod, a first fixing plate, a second connecting rod and a second fixing plate. The bottom of the first connecting rod is used to be detachably fixedly connected to the main push shaft, the top of the first connecting rod is used to be detachably fixedly connected to the lifting device, the bottom of the second connecting rod is used to be detachably fixedly connected to the main push shaft, the top of the second connecting rod is used to be detachably fixedly connected to the lifting device, the first fixing plate is fixedly connected to the top of the first connecting rod, the second fixing plate is fixedly connected to the top of the second connecting rod, and the first fixing plate is used to be detachably fixedly connected to the second fixing plate.

3. The skin-pass mill rolling line push-down main push shaft maintenance device according to claim 2, characterized in that: It also includes multiple fixing bolts and fixing nuts. The first fixing plate is provided with multiple first through holes, and the second fixing plate is provided with multiple second through holes. One of the fixing bolts is used to pass through one of the first through holes and one of the second through holes and then be threadedly connected with the fixing nut to fix the first fixing plate and the second fixing plate together.

4. The skin-pass mill rolling line push-down main push shaft maintenance device according to claim 3, characterized in that: A first threaded section is provided at the bottom of the first connecting rod, and the first threaded section is used to be threadedly connected to the lifting screw hole at the top of the main push shaft. A second threaded section is provided at the bottom of the second connecting rod, and the second threaded section is used to be threadedly connected to the lifting screw hole at the top of the main push shaft.

5. The skin-pass mill rolling line push-down main push shaft maintenance device according to claim 4, characterized in that: A first lifting ring is provided on the top of the first connecting rod, and a second lifting ring is provided on the top of the second connecting rod.

6. The skin-pass mill rolling line push-down main push shaft maintenance device according to claim 1, characterized in that: The movable member includes a frame, a plurality of first traveling wheels and a plurality of second traveling wheels. The top of the frame is used to place the main push shaft. The first traveling wheels are arranged in a row at one end of the bottom of the frame, and the second traveling wheels are arranged in a row at one end of the bottom of the frame away from the first traveling wheels. The first traveling wheels are used to be rollingly connected to a linear rail of the internal track of the supporting roller frame, and the second traveling wheels are used to be rollingly connected to another linear rail of the internal track of the supporting roller frame.

7. The skin-pass mill rolling line push-down main push shaft maintenance device according to claim 6, characterized in that: The height of the frame is 0.9-1.1m.

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