Hot-state roller changing equipment for subsection of silicon steel zone furnace

Abstract

The utility model discloses a silicon steel zone furnace subsection thermal state roller changing device, which comprises a roller dismounting and mounting part and a motor speed reducer hoisting part, a roller dismounting and mounting assembly comprises a movable frame, the movable frame is provided with two groups of accommodating grooves, each group of accommodating grooves is internally provided with a clamping assembly for clamping one end of a furnace roller, and two groups of first motor bodies are arranged on the movable frame; each first motor body is in driving connection with one clamping assembly through a lead screw set, the motor speed reducer hoisting part comprises a movable vertical frame, an aluminum alloy bearing beam is arranged at the top of the movable vertical frame, an electric hoist is installed on the aluminum alloy bearing beam, and a chain of the electric hoist is connected with a lifting hook; the roller dismounting part and the motor speed reducer hoisting part are matched to work, manual carrying is not needed, the furnace roller motor is lowered, the potential safety hazard risk is effectively reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of furnace roller replacement, in particular to hot roller replacement equipment for a silicon steel area furnace section. Background Art

[0002] During the production process of the heat treatment unit, the service life of furnace rollers, carbon sleeve rollers, etc. is 3 months. During the service life, the furnace rollers and carbon sleeve rollers are in constant friction with the strip steel, and it is inevitable that some roller surfaces will be damaged or carbonized, resulting in scratches on the strip steel surface. Emergency repairs are required several times a week.

[0003] At present, hot roller replacement is carried out by using old lifting tools for disassembly and installation, and the furnace roller motors (82KG~106KG) are unloaded by manpower. The construction workers are at risk of being burned by the old furnace rollers or the flames overflowing from the furnace, and being hit by the furnace roller motors. Therefore, the utility model proposes a hot roller replacement equipment for the furnace section of the silicon steel area that can solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a hot roller changing device for a furnace section in a silicon steel area to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hot roller changing device for a silicon steel area furnace section, comprising a roller disassembly and assembly part and a motor reducer hoisting part;

[0006] The roller disassembly and assembly assembly includes a mobile frame having two groups of receiving grooves, each group of the receiving grooves being provided with a clamping assembly for clamping one end of the furnace roller, and two groups of first motor bodies being mounted on the mobile frame, each group of the first motor bodies being drivingly connected to one group of the clamping assemblies via a screw group;

[0007] The motor reducer hoisting part includes a movable vertical frame, an aluminum alloy load-bearing beam is provided on the top of the movable vertical frame, an electric hoist is installed on the aluminum alloy load-bearing beam, and a chain of the electric hoist is connected with a hook.

[0008] As a preferred technical solution, a counterweight is provided on the mobile frame.

[0009] As a preferred technical solution, the counterweight is in sliding connection with the moving frame, a second motor body is mounted on the moving frame, and the second motor body is drivingly connected to the counterweight via a lead screw assembly.

[0010] As a preferred technical solution, the counterweight block includes a plurality of counterweight plates.

[0011] As a preferred technical solution, the clamping assembly includes a supporting frame slidingly connected to the receiving groove, at least one limiting column is screwed on the supporting frame, a pressure block is sleeved on the limiting column, and a stop block is provided at the top of the limiting column.

[0012] As a preferred technical solution, a lower arc groove is provided on the supporting frame, and an upper arc groove is provided on the stop block, and the upper arc groove vertically corresponds to the lower arc groove.

[0013] As a preferred technical solution, a support plate is provided in the containing groove, and a plurality of supporting balls are distributed on the support plate.

[0014] As a preferred technical solution, a plurality of lifting blocks are provided on the mobile frame.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] Through the cooperation of the roller disassembly and assembly part and the motor reducer hoisting part, the furnace roller motor is reduced without manual handling, effectively reducing the risk of safety hazards and improving operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a structural diagram of the roller disassembly and assembly part of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the hoisting part of the motor reducer of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0021] Figure 5 This is a schematic diagram of the support plate structure of the utility model;

[0022] In the figure: 10. Roller disassembly and assembly part; 11. Mobile frame; 12. Clamping assembly; 121. Carrying frame; 122. Limiting column; 123. Pressing block; 13. First motor body; 14. Receiving groove; 141. Support plate; 142. Support ball; 15. Lifting block; 16. Counterweight block; 17. Second motor body; 20. Motor reducer lifting part; 21. Mobile vertical frame; 22. Aluminum alloy load-bearing beam; 23. Electric hoist. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-5

[0025] Example 1 provides a hot roller changing device for a silicon steel furnace section:

[0026] It includes a roller disassembly and assembly part 10 and a motor reducer hoisting part 20. When the roller is replaced, the roller disassembly and assembly part 10 and the motor reducer hoisting part 20 work together.

[0027] The roller disassembly and assembly assembly includes a mobile frame 11, on which a plurality of lifting blocks 15 are provided. The lifting blocks 15 are connected by a bridge crane for lifting and moving, so that furnace rollers at different positions can be replaced.

[0028] The movable frame 11 has two groups of grooves 14, each group of grooves 14 is provided with a clamping assembly 12 for clamping one end of the furnace roller, and two groups of first motor bodies 13 are installed on the movable frame 11, and each group of first motor bodies 13 is driven and connected to a group of clamping assemblies 12 through a screw group.

[0029] The clamping assembly 12 clamps the furnace rollers in the receiving grooves 14 . One receiving groove 14 is used to place new furnace rollers for replacement, and the other receiving groove 14 is used to place replaced old furnace rollers.

[0030] The motor reducer hoisting part 20 includes a movable vertical frame 21, an aluminum alloy load-bearing beam 22 is provided on the top of the movable vertical frame 21, an electric hoist 23 is installed on the aluminum alloy load-bearing beam 22, and the chain of the electric hoist 23 is connected to the hook. The bottom of the movable vertical frame 21 is provided with a self-locking movable wheel, which can be moved to a position to cooperate with the replacement of the furnace roller.

[0031] Specifically, first, the roller disassembly and assembly assembly is hoisted to the roller changing station, and then the motor reducer hoisting part 20 is moved to the other end of the roller changing station, and then a group of first motor bodies 13 are controlled to drive the clamping assembly 12 forward through the screw group, and the clamping assembly 12 is operated to clamp the old furnace roller, and the hook is connected to the furnace roller motor at the other end, and the electric hoist 23 is controlled to hoist, and the first motor body 13 is operated to drive the clamping assembly 12 through the screw group to clamp the old furnace roller and then pull it out. After the old furnace roller is pulled out, the position of the movable frame 11 is adjusted, and another group of clamping the new furnace roller clamping assembly 12 is used to align with the furnace hole, and another group of driving the first motor body 13 is controlled to drive the clamping assembly 12 forward through the screw group to transport the new furnace roller into the furnace hole, and the clamping of the clamping assembly 12 to the new furnace roller is canceled to complete the furnace roller replacement;

[0032] No need for manual handling, reducing the risk of furnace roller motor, effectively reducing safety hazards and improving operating efficiency.

[0033] Project costs before development: Roller change time: 6 people * 2.5 hours = 15 hours, totaling 1.9 man-days per operation. Annual total time: 1.9 man-days * 156 operations = 296.4 man-days. Calculated annual cost: 296.4 man-days * 270 yuan / man-day = 80,000 yuan. After development: Roller change time: 4 people * 1.5 hours = 6 hours, totaling 0.8 man-days per operation. Annual total time: 0.8 man-days * 156 operations = 124.8 man-days. Calculated annual cost: 124.8 man-days * 270 yuan / man-day = 33,600 yuan. Furthermore, the rapid roll change system significantly benefited Party A by enabling earlier resumption of production, saving costs.

[0034] Example 2 provides a hot roller changing device for a silicon steel furnace section:

[0035] The mobile frame 11 is provided with a counterweight block 16 , which includes a plurality of counterweight plates. The total weight of the counterweight block 16 can be adjusted according to the number of counterweight plates as needed.

[0036] The counterweight 16 is slidably connected to the mobile frame 11, and a second motor body 17 is installed on the mobile frame 11. The second motor body 17 is driven and connected to the counterweight 16 through a screw group. During the roller changing process, the second motor body 17 drives the counterweight 16 to move on the mobile frame 11 through the screw group to improve the balance and the roller changing stability.

[0037] The clamping assembly 12 includes a carrier frame 121 that is slidably connected to the receiving groove 14. A limiting column 122 is screwed onto the carrier frame 121. A pressure block 123 is sleeved on the limiting column 122, and a stop block is provided at the top of the limiting column 122. The limiting column 122 is rotated to drive the pressure block 123 to clamp the furnace roller.

[0038] The carrier 121 is provided with a lower arc groove, and the pressing block 123 is provided with an upper arc groove, which vertically corresponds to the lower arc groove. The upper arc groove and the lower arc groove are provided to increase the contact area with the furnace roller, thereby improving the clamping effect.

[0039] A support plate 141 is provided in the container 14 and is located at the front end of the container. A plurality of supporting balls 142 are distributed on the support plate 141 so that the furnace roller can reduce contact friction when moving through the provided supporting balls 142 .

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hot roller changing equipment for the furnace section of silicon steel area, characterized in that: It comprises a roller disassembly and assembly part (10) and a motor reducer hoisting part (20); The roller disassembly and assembly portion comprises a movable frame (11), the movable frame (11) having two groups of receiving grooves (14), each group of the receiving grooves (14) being provided with a clamping assembly (12) for clamping one end of the furnace roller, and two groups of first motor bodies (13) being mounted on the movable frame (11), each group of the first motor bodies (13) being driven and connected to one group of the clamping assemblies (12) via a screw group; The motor reducer hoisting part (20) comprises a movable vertical frame (21), an aluminum alloy load-bearing beam (22) is provided on the top of the movable vertical frame (21), an electric hoist (23) is installed on the aluminum alloy load-bearing beam (22), and a chain of the electric hoist (23) is connected to a hook.

2. The hot roller changing equipment for the silicon steel furnace section according to claim 1, characterized in that: A counterweight (16) is provided on the movable frame (11).

3. The hot roller changing equipment for the silicon steel furnace section according to claim 2, characterized in that: The counterweight (16) is in sliding connection with the movable frame (11); a second motor body (17) is mounted on the movable frame (11); and the second motor body (17) is drivingly connected to the counterweight (16) via a lead screw assembly.

4. The hot roller changing equipment for the silicon steel furnace section according to claim 3, characterized in that: The counterweight (16) comprises a plurality of counterweight plates.

5. The hot roller changing equipment for the silicon steel furnace section according to claim 1, characterized in that: The clamping assembly (12) includes a carrier (121) slidably connected to the receiving groove (14), at least one limiting column (122) is screwed onto the carrier (121), a pressure block (123) is sleeved onto the limiting column (122), and a stop block is provided at the top end of the limiting column (122).

6. The hot roller changing equipment for the silicon steel furnace section according to claim 5, characterized in that: The carrier (121) is provided with a lower arc groove, and the pressing block (123) is provided with an upper arc groove, and the upper arc groove vertically corresponds to the lower arc groove.

7. The hot roller changing equipment for the silicon steel furnace section according to claim 1, characterized in that: A supporting plate (141) is provided in the containing groove (14), and a plurality of supporting balls (142) are distributed on the supporting plate (141).

8. The hot roller changing equipment for the silicon steel furnace section according to claim 1, characterized in that: A plurality of lifting blocks (15) are provided on the mobile frame (11).

Images