Special frame for disassembling and assembling inlet hopper during overhauling of ball mill in power plant

A specialized scaffold system for ball mill entry chute maintenance addresses the inefficiencies of frequent assembly and disassembly by allowing rapid deployment and component collection, reducing labor and time costs while ensuring safety.

CN223104075UActive Publication Date: 2025-07-15POWERCHINA CHONGQING ENG CO LTD
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Patent Information

Application Number
CN202420920686.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-07-15
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

In the prior art, when disassembly and assemble the inlet hopper of the ball mill in power plants, the scaffolding performance is low, and the parts are prone to falling, resulting in injury to personnel and waste of resources.

Method used

A special rack including a total bracket, a working platform, a forklift transfer platform, a ladder, a collection frame and an elastic cloth was designed. The forklift was quickly transported and adjusted the position, and the work platform guardrail was set to prevent falling. The collection frame collected dropped parts. The elastic cloth increased the receiving area, and the rotary rack and screw fixed support.

Benefits of technology

It realizes rapid disassembly and assembly of the ball mill inlet hopper, saves manpower and time costs, reduces scaffolding consumables consumption, and improves safety and performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of scaffolds, in particular to a special frame for dismounting and mounting an inlet hopper during overhauling of a ball mill in a power plant, which comprises a main support, a hopper dismounting operation platform and a forklift transfer platform are fixedly mounted on the inner side of the main support, and an operation platform guardrail is fixedly mounted on the upper surface of the hopper dismounting operation platform. Two forklift pallet fork inserting grooves are formed in the lower surface of the forklift transfer platform, a plurality of crawling ladders are evenly and fixedly connected to the inner side of the main support, and a collecting frame is fixedly installed on the lower surface of the main support. By the aid of the structure, the ball mill inlet hopper can be quickly disassembled and assembled, labor cost and time cost of scaffold workers can be saved, consumption times of scaffold consumables can be reduced, falling parts can be collected in the process of disassembling and assembling the ball mill inlet hopper, and the ball mill inlet hopper can be conveniently disassembled and assembled. And the use performance of the frame is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of scaffolding, in particular to a special rack for disassembling and assembling an inlet hopper during the overhaul of a power plant ball mill. Background Art

[0002] Scaffolding is a commonly used auxiliary facility on construction sites, used to support and build a platform for construction workers to work. Scaffolding usually consists of columns, crossbeams, diagonal bars, connectors, etc., and can be built into work platforms of different heights and shapes according to needs. Scaffolding can provide a safe working environment, facilitate construction workers to carry out high-altitude operations, and also improve work efficiency.

[0003] In the existing related technologies, the following defects often exist: when disassembling and assembling the inlet hopper during the overhaul of a power plant ball mill, it is necessary for scaffolders to repeatedly erect and dismantle the scaffolding to facilitate the subsequent disassembly and assembly work at the inlet position of the ball mill. Moreover, during the process of disassembling and assembling the ball mill, some parts such as bolts and nuts may fall from a high place on the rack, easily leading to the loss of parts when disassembling the inlet hopper of the ball mill by personnel, and reducing the service performance of the rack.

[0004] Therefore, the utility model provides a special rack for disassembling and assembling an inlet hopper during the overhaul of a power plant ball mill. Content of the Utility Model

[0005] The purpose of the utility model is to solve the defect of low service performance of the rack for disassembling and assembling the inlet hopper during the overhaul of a power plant ball mill in the prior art, and to propose a special rack for disassembling and assembling an inlet hopper during the overhaul of a power plant ball mill.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a special rack for disassembling and assembling an inlet hopper during the overhaul of a power plant ball mill, including a general support. Inside the general support, a working platform for hopper disassembly and a forklift transfer platform are fixedly installed. On the upper surface of the working platform for hopper disassembly, a working platform guardrail is fixedly installed. On the lower surface of the forklift transfer platform, two forklift fork insertion slots are opened. Inside the general support, a number of ladders are evenly and fixedly connected. On the lower surface of the general support, a collection box is fixedly installed. The upper port of the collection box is a rectangular opening, and the lower port is a circular opening.

[0007] The effects achieved by the above components are as follows: Using a forklift, insert the forks on the forklift into the inside of the forklift fork insertion slots on the forklift transfer platform, and this device can be quickly transported to the overhaul construction site. After adjusting the position, it can be directly used without assembly. The working platform is provided with a working platform guardrail to prevent operating personnel from falling and being injured. When using this device to overhaul or rush-repair a ball mill, both time and labor are greatly reduced.

[0008] Preferably, a screw ring is fixedly installed at the lower port of the collection box, a screw sleeve is threadedly connected to the side wall of the screw ring, and a collection bag is fixedly installed at the lower port of the screw sleeve.

[0009] The effect achieved by the above components is that by sleeving the screw sleeve outside the screw ring, the docking work between the collection bag and the collection box can be realized.

[0010] Preferably, an elastic cloth is fixedly installed on the side wall of the main support.

[0011] The effect achieved by the above components is that the elastic cloth increases the receiving area for the parts falling at the inlet hopper of the dismountable ball mill, further improving the receiving effect for the falling parts.

[0012] Preferably, a rotating frame is rotatably connected to each of the four sides of the main support, and a barb hook is fixedly installed on the lower surface of the rotating frame.

[0013] The effect achieved by the above components is that by hanging the elastic cloth on the surface of the barb hook, the temporary support and fixation work of the elastic cloth is facilitated.

[0014] Preferably, a screw rod is threadedly connected inside the rotating frame.

[0015] The effect achieved by the above components is that by rotating the screw rod and pressing the screw rod against the side wall of the main support, the fixation work of the position of the rotated rotating frame can be realized.

[0016] In summary:

[0017] In the present utility model, by setting the above structure, the quick disassembly and assembly of the inlet hopper of the ball mill can be realized by using this device. Using this device can save the labor cost and time cost of the scaffolders, reduce the consumption times of the scaffolding consumables, and can realize the collection work of the parts falling during the disassembly and assembly of the inlet hopper of the ball mill, improving the service performance of the scaffold. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a structural schematic diagram of another angle of the present utility model;

[0020] Figure 3 is in the present utility model Figure 1 partial structural schematic diagram;

[0021] Figure 4 is in the present utility model Figure 2 enlarged view of part A;

[0022] Figure 5 is in the present utility model Figure 3 enlarged view of part B.

[0023] Legend: 1. Total support; 2. Ladder; 3. Forklift transfer platform; 4. Forklift fork insertion slot; 5. Working platform when the hopper is removed; 6. Guardrail of the working platform; 7. Collection box; 8. Elastic cloth; 9. Collection bag; 10. Rotary frame; 11. Prickly hook; 12. Screw; 13. Screw ring; 14. Screw sleeve. Specific implementation mode

[0024] Refer to Figure 1 As shown, the present utility model provides a technical solution: a special rack for disassembling and assembling the inlet hopper when overhauling the ball mill in a power plant, including a total support 1.

[0025] The following specifically describes the specific setting and function of its total support.

[0026] In this implementation scheme: a working platform 5 when the hopper is removed and a forklift transfer platform 3 are fixedly installed inside the total support 1. A guardrail 6 of the working platform is fixedly installed on the upper surface of the working platform 5 when the hopper is removed. Two forklift fork insertion slots 4 are opened on the lower surface of the forklift transfer platform 3. A plurality of ladders 2 are evenly and fixedly connected to the inside of the total support 1. A collection box 7 is fixedly installed on the lower surface of the total support 1. The upper port of the collection box 7 is a rectangular opening and the lower port is a circular opening. By using a forklift, the forks on the forklift are inserted into the inside of the forklift fork insertion slot 4 on the forklift transfer platform 3, and this device can be quickly transported to the overhaul construction site. After adjusting the position, it can be directly used without assembly. The working platform is provided with a guardrail 6 of the working platform to prevent operators from falling and getting injured. When using this device to overhaul or rush repair the ball mill, the time and labor are greatly shortened.

[0027] Specifically, a screw ring 13 is fixedly installed at the lower port of the collection box 7. A screw sleeve 14 is threadedly connected to the side wall of the screw ring 13. A collection bag 9 is fixedly installed at the lower port of the screw sleeve 14. By sleeving the screw sleeve 14 on the outside of the screw ring 13, the docking work between the collection bag 9 and the collection box 7 can be realized. An elastic cloth 8 is fixedly installed on the side wall of the total support 1. The elastic cloth 8 increases the receiving area for the parts falling at the inlet hopper of the disassembled and assembled ball mill, and further improves the receiving effect for the falling parts.

[0028] Rotary frames 10 are rotatably connected to the four sides of the total support 1. A prickly hook 11 is fixedly installed on the lower surface of the rotary frame 10. Hooking the elastic cloth 8 on the surface of the prickly hook 11 facilitates the temporary support and fixation work of the elastic cloth 8. A screw 12 is threadedly connected inside the rotary frame 10. By rotating the screw 12 and extruding the screw 12 against the side wall of the total support 1, the fixed work of the position of the rotary frame 10 after rotation can be realized.

[0029] Working principle: Using a forklift, insert the forks on the forklift into the inner side of the forklift fork insertion groove 4 on the forklift transfer platform 3, and this device can be quickly transported to the overhaul construction site. After adjusting the position, it can be directly used without assembly. The operation platform is equipped with an operation platform guardrail 6 to prevent operators from falling and getting injured. When using this device to overhaul or rush-repair a ball mill, it greatly shortens the time and labor. Moreover, it can effectively ensure the safety of operators, achieve efficient operation, reduce safety risks, and solve the problem that since the connecting bolts at the inlet hopper and the inlet big tile of the ball mill are relatively high, about three meters above the ground, when removing the inlet hopper, a scaffolder needs to set up a scaffold. When moving the inlet hopper, some parts of the scaffold need to be removed, and when restoring the inlet hopper, a scaffold needs to be set up again to facilitate the restoration of the bolts. This consumes a lot of labor costs and time costs during the overhaul. Use a forklift to transport this scaffold to the overhaul site. After adjusting the position, the connecting bolts of the ball mill inlet hopper can be removed. After the removal is completed, the hopper needs to be moved away, and then use the forklift to move this scaffold away again. After the ball mill overhaul is completed, place this scaffold in place again, restore the connecting bolts of the inlet hopper, and then it can be moved away after completion. Slip the bushing 14 over the outside of the screw ring 13 to achieve the docking work between the collection bag 9 and the collection frame 7. During the process of disassembling and assembling the ball mill inlet hopper, the small parts that fall will fall into the collection bag 9 along the collection frame 7 for collection, which facilitates the collection of dropped parts such as bolts. Rotate the rotating frame 10 on the side wall of the total support 1. After rotating out the rotating frame 10, rotate the screw rod 12 and press the screw rod 12 against the side wall of the total support 1. At this time, the elastic cloth 8 can be hooked on the surface of the barbs 11, increasing the receiving area for the parts that fall during the disassembly and assembly of the ball mill inlet hopper, and further improving the receiving effect for the dropped parts. By setting the above structure, using this device can achieve the quick disassembly and assembly of the ball mill inlet hopper. Using this device can save the labor cost and time cost of the scaffolder, reduce the consumption times of scaffolding consumables, and can achieve the collection of the dropped parts during the disassembly and assembly of the ball mill inlet hopper, improving the service performance of the scaffold.

[0030] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "coupling" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

Claims

1. A special rack for disassembling and assembling the inlet hopper during the overhaul of a ball mill in a power plant, including a general support (1), characterized in that: The inner side of the general support (1) is fixedly installed with an operation platform (5) for hopper removal and a forklift transfer platform (3). The upper surface of the operation platform (5) for hopper removal is fixedly installed with an operation platform guardrail (6). The lower surface of the forklift transfer platform (3) is provided with two forklift fork insertion slots (4). A plurality of ladders (2) are evenly and fixedly connected to the inner side of the general support (1). The lower surface of the general support (1) is fixedly installed with a collection box (7). The upper port of the collection box (7) is a rectangular opening and the lower port is a circular opening.

2. A special rack for disassembling and assembling the inlet hopper during the overhaul of the ball mill in a power plant according to claim 1, characterized in that: A screw ring (13) is fixedly installed at the lower port of the collection box (7). The side wall of the screw ring (13) is threadedly connected with a screw sleeve (14). A collection bag (9) is fixedly installed at the lower port of the screw sleeve (14).

3. A special rack for disassembling and assembling the inlet hopper during the overhaul of a ball mill in a power plant according to claim 1, characterized in that: An elastic cloth (8) is fixedly installed on the side wall of the general support (1).

4. A special rack for disassembling and assembling the inlet hopper during the overhaul of the ball mill in a power plant according to claim 1, characterized in that: Rotary frames (10) are rotatably connected to the four side edges of the general support (1). A barb hook (11) is fixedly installed on the lower surface of the rotary frame (10).

5. A special rack for disassembling and assembling the inlet hopper during the overhaul of the ball mill in a power plant according to claim 4, characterized in that: A screw rod (12) is threadedly connected inside the rotary frame (10).