Overturning overhauling platform for overhauling zinc boiler grate in hot galvanizing unit

Abstract

The utility model discloses a turnover overhaul platform for overhauling a zinc boiler grate in a hot galvanizing unit, which is characterized in that a left steel column and a right steel column of the overhaul platform are arranged in parallel at an interval, a main platform is arranged between the bottom ends of the left steel column and the right steel column, and an upper platform is arranged between the upper parts of the left steel column and the right steel column; the inner side of the overturning platform is hinged to the outer edge of the main platform, the two ends of the outer side of the overturning platform are connected with the side faces of the upper portions of the left steel column and the right steel column through steel cables correspondingly, and the left walking platform and the right walking platform are arranged at the top ends of the left steel column and the right steel column correspondingly. An inclined ladder is arranged between the left walking platform and the upper-layer platform, and the installation supporting plates are arranged on the outer sides of the top ends of the left steel column and the right steel column respectively and located below the left walking platform and the right walking platform. The maintenance platform meets the maintenance operation of multiple maintenance items of the grate, is convenient to install, improves the maintenance operation efficiency, has good adaptability, is simple and flexible to operate, and reduces the maintenance cost.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment maintenance, in particular to a turnover maintenance platform for maintenance of zinc boiler grates in a hot-dip galvanizing unit. Background Art

[0002] In the hot-dip galvanizing unit, the strip enters the zinc pot through the grate, and then passes through the sinking roller system in the zinc pot and the air knife system after leaving the pot to achieve the purpose of galvanizing. Due to the particularity of the grate working conditions, in order to avoid the influence of air on galvanizing, the lower lip of the grate is immersed below the zinc pot liquid level during the production process. The immersed part will gradually adhere to zinc slag, and with the extension of the use time, the zinc slag will gradually increase and affect the quality of strip galvanizing. In addition, the zinc liquid has a corrosive effect on the end of the grate, and regular maintenance and repair or replacement of the grate is required. When the zinc pot is offline, a large pit will appear in the unit. Although a temporary safety springboard can be set up to repair the grate, it is time-consuming and seriously affects the efficiency of the maintenance operation. In addition, the maintenance operation space is small, and there are serious safety hazards in the springboard erection and maintenance operation process. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a turnover maintenance platform for the maintenance of zinc boiler grates in a hot-dip galvanizing unit. The maintenance platform overcomes the defects of traditional zinc boiler grate maintenance operations, meets the maintenance operations of multiple maintenance items of the grate, and the platform is easy to install, improves the maintenance operation efficiency, has good adaptability, is simple and flexible to operate, and reduces maintenance costs.

[0004] To solve the above technical problems, the utility model provides a turnover maintenance platform for maintenance of zinc boiler grate in hot-dip galvanizing unit, comprising a main platform, an upper platform, a turnover platform, a left steel column, a right steel column, a left walking platform, a right walking platform and a mounting support plate, wherein the left steel column and the right steel column are arranged in parallel and spaced apart, the main platform is arranged between the bottom ends of the left steel column and the right steel column, the upper platform is arranged between the upper parts of the left steel column and the right steel column, the inner side of the turnover platform is hinged to the outer edge of the main platform, and the outer ends of the turnover platform are respectively connected to the upper side surfaces of the left steel column and the right steel column by steel cables, the left walking platform and the right walking platform are respectively arranged at the top ends of the left steel column and the right steel column, a straight ladder penetrating the upper platform is provided on the side of the right steel column of the main platform, an inclined ladder is provided between the left walking platform and the upper platform, and the mounting support plates are respectively arranged on the outer sides of the top ends of the left steel column and the right steel column and are located below the left walking platform and the right walking platform.

[0005] Furthermore, patterned steel plates are respectively laid on the surfaces of the main platform, the upper platform, the turning platform, the left walking platform and the right walking platform.

[0006] Furthermore, the flip platform and the main platform are hinged.

[0007] Furthermore, the upper platform is locked and connected to the left steel column and the right steel column by using a rectangular tongue latch.

[0008] Furthermore, safety guardrails are provided at the open places of the main platform, the upper platform, the flip platform, the left walking platform and the right walking platform, and passages connecting the left walking platform and the right walking platform to the outside are reserved.

[0009] Furthermore, a first safety door is provided between the right walking platform and the vertical ladder, and the first safety door and the safety guardrail of the right walking platform are locked by a latch.

[0010] Furthermore, the left walking platform is provided with a second safety door above the inclined ladder, and the second safety door is locked to the safety guardrail of the left walking platform by a latch.

[0011] Furthermore, the upper platform is provided with an annular guardrail above the straight ladder, and the opening of the annular guardrail faces the first safety door of the right walking platform.

[0012] Since the utility model adopts the above-mentioned technical scheme for the overturning maintenance platform for the zinc boiler grate maintenance in the hot-dip galvanizing unit, that is, the left steel column and the right steel column of the maintenance platform are arranged in parallel and spaced apart, the main platform is arranged between the bottom ends of the left steel column and the right steel column, the upper platform is arranged between the upper parts of the left steel column and the right steel column, the inner side of the overturning platform is hinged to the outer edge of the main platform, and the two ends of the outer side of the overturning platform are respectively connected to the upper side of the left steel column and the right steel column by steel cables, the left walking platform and the right walking platform are respectively arranged at the top of the left steel column and the right steel column, the main platform is provided with a straight ladder passing through the upper platform on the side of the right steel column, an inclined ladder is provided between the left walking platform and the upper platform, and the mounting support plates are respectively arranged on the outer side of the top of the left steel column and the right steel column and are located below the left walking platform and the right walking platform. The maintenance platform overcomes the defects of the traditional zinc boiler grate maintenance operation, meets the maintenance operation of multiple maintenance items of the grate, and the platform is easy to install, improves the maintenance operation efficiency, has good adaptability, and is simple and flexible to operate, reducing the maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described in detail below in conjunction with the accompanying drawings and implementation examples:

[0014] Figure 1 The utility model is a schematic diagram of the structure of a turnover maintenance platform for maintenance of zinc boiler grates in a hot-dip galvanizing unit. DETAILED DESCRIPTION

[0015] Implementation example Figure 1As shown, the utility model is used for the overturning maintenance platform for the zinc boiler grate maintenance in the hot-dip galvanizing unit, which comprises a main platform 1, an upper platform 2, a overturning platform 3, a left steel column 4, a right steel column 5, a left walking platform 6, a right walking platform 7 and a mounting support plate 8. The left steel column 4 and the right steel column 5 are arranged in parallel and spaced apart. The main platform 1 is arranged between the bottom ends of the left steel column 4 and the right steel column 5, the upper platform 2 is arranged between the upper parts of the left steel column 4 and the right steel column 5, the inner side of the overturning platform 3 is hinged to the outer edge of the main platform 1, and The outer ends of the flip platform 3 are connected to the upper side surfaces of the left steel column 4 and the right steel column 5 by steel cables 31 respectively. The left walking platform 6 and the right walking platform 7 are respectively arranged at the top of the left steel column 4 and the right steel column 5. The main platform 1 is provided with a straight ladder 91 passing through the upper platform 2 on the side of the right steel column 5. An inclined ladder 92 is provided between the left walking platform 6 and the upper platform 2. The mounting support plates 8 are respectively arranged on the outer sides of the top of the left steel column 4 and the right steel column 5 and are located below the left walking platform 6 and the right walking platform 7.

[0016] Preferably, the surfaces of the main platform 1, the upper platform 2, the turning platform 3, the left walking platform 6 and the right walking platform 7 are respectively covered with patterned steel plates.

[0017] Preferably, the flip platform 3 and the main platform 1 are hingedly connected by a hinge 32 .

[0018] Preferably, the upper platform 2 is locked and connected to the left steel column 4 and the right steel column 5 by using a rectangular tongue latch.

[0019] Preferably, safety guardrails 93 are provided at the open parts of the main platform 1, the upper platform 2, the flip platform 3, the left walking platform 6 and the right walking platform 7, and the left walking platform 6 and the right walking platform 7 are reserved with passages 61, 71 connected to the outside world.

[0020] Preferably, a first safety door 72 is provided between the right walking platform 7 and the vertical ladder 91, and the first safety door 71 and the safety guardrail of the right walking platform 7 are locked by a latch.

[0021] Preferably, the left walking platform 6 is provided with a second safety door 62 above the inclined ladder 92, and the second safety door 62 and the safety guardrail of the left walking platform 6 are locked by a latch.

[0022] Preferably, the upper platform 2 is provided with an annular guardrail 21 above the vertical ladder 91 , and the opening of the annular guardrail 21 faces the first safety door 72 of the right walking platform 7 .

[0023] When repairing the grate, first lower and remove the zinc pot. At this time, the position is a rectangular pit. Remove the upper platform, use the sling to lift the repair platform into the rectangular pit, align the main platform with the sinking roller machine base bracket, and rigidly connect the mounting support plate and the sinking roller machine base bracket with bolts to eliminate the possibility of movement or overturning of the main platform. The maintenance personnel reach the main platform and the turning platform through the right walking platform, the first safety door, and the vertical ladder, and then they can repair the grate.

[0024] If the grate needs to be replaced, the bolts on the top of the grate need to be removed. An upper platform can be installed according to the on-site working conditions. Maintenance personnel enter the upper platform through the left walking platform, the second safety door, and the inclined ladder to carry out construction. After removing the grate connecting bolts, the upper platform is removed. In this way, the grate can be hoisted and replaced as a whole.

[0025] After the grate maintenance work is completed, the flip platform can be flipped 90 degrees and folded up and locked with a steel cable, which greatly reduces the storage space.

[0026] The application of this maintenance platform can meet the maintenance operation of multiple functions of the grate. The platform is easy to install, takes a short time, and can improve work efficiency. It has good adaptability, simple and flexible operation, and low maintenance cost. The maintenance platform is installed using the basic conditions of the sunken roller machine base bracket, without adding other equipment. It can meet the overall hoisting of the grate and facilitate the replacement of the grate. The upper platform can be selected according to the working conditions to increase its maintenance function. The platform has a large operating space, good operating safety, and convenient maintenance and inspection operations.

Claims

1. A turnover maintenance platform for maintenance of zinc boiler grates in hot-dip galvanizing units, characterized by: It includes a main platform, an upper platform, a turning platform, a left steel column, a right steel column, a left walking platform, a right walking platform and an installation support plate, the left steel column and the right steel column are arranged in parallel and at intervals, the main platform is arranged between the bottom ends of the left steel column and the right steel column, the upper platform is arranged between the upper parts of the left steel column and the right steel column, the inner side of the turning platform is hinged to the outer edge of the main platform, and the outer ends of the turning platform are respectively connected to the upper side surfaces of the left steel column and the right steel column by steel cables, the left walking platform and the right walking platform are respectively arranged at the top of the left steel column and the right steel column, a straight ladder penetrating the upper platform is provided on the side of the right steel column of the main platform, an inclined ladder is provided between the left walking platform and the upper platform, and the installation support plates are respectively arranged on the outer sides of the top ends of the left steel column and the right steel column and are located below the left walking platform and the right walking platform.

2. The overturning maintenance platform for maintenance of zinc boiler grates in hot-dip galvanizing units according to claim 1 is characterized in that: The surfaces of the main platform, the upper platform, the turning platform, the left walking platform and the right walking platform are respectively covered with patterned steel plates.

3. The overturning maintenance platform for the maintenance of zinc boiler grates in a hot dip galvanizing unit according to claim 1 or 2, characterized in that: The flip platform and the main platform are hinged.

4. The overturning maintenance platform for the maintenance of zinc boiler grates in a hot dip galvanizing unit according to claim 3 is characterized in that: The upper platform is locked and connected to the left steel column and the right steel column by using a rectangular tongue latch.

5. The overturning maintenance platform for maintenance of zinc boiler grates in hot-dip galvanizing units according to claim 3 is characterized in that: The main platform, the upper platform, the turning platform, the left walking platform and the right walking platform are provided with safety guardrails at the open places, and the left walking platform and the right walking platform are reserved with passages connected to the outside world.

6. The turning over inspection platform for the inspection of zinc boiler grates in a hot dip galvanizing unit according to claim 5 is characterized in that: A first safety door is arranged between the right walking platform and the vertical ladder, and the first safety door is locked with the safety guardrail of the right walking platform by a latch.

7. The overturning maintenance platform for the maintenance of zinc boiler grates in a hot dip galvanizing unit according to claim 5 is characterized in that: The left walking platform is provided with a second safety door above the inclined ladder, and the second safety door is locked to the safety guardrail of the left walking platform by a latch.

8. The overturning maintenance platform for the maintenance of zinc boiler grates in a hot dip galvanizing unit according to claim 6 is characterized in that: The upper platform is provided with an annular guardrail above the straight ladder, and the opening of the annular guardrail faces the first safety door of the right walking platform.

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