Novel safety platform support special for replacing walking wheel of stacker-reclaimer

Abstract

The utility model provides a novel safety platform support special for replacing a traveling wheel of a stacker-reclaimer, which relates to the field of traveling wheel replacing equipment and comprises two supports and two hook plates respectively used for hoisting a new traveling wheel and a traveling wheel to be replaced. High-strength alloy rail steel with the hollow interior is arranged between the two mounting frames, a rectangular through hole with the same length as the high-strength alloy rail steel is formed in the bottom of the high-strength alloy rail steel, and two sets of rolling wheels roll on the inner bottom face of the high-strength alloy rail steel. When the safety platform support is used for replacing and maintaining the walking wheel, the number of auxiliary personnel can be remarkably reduced, the operation procedure is simplified, the disassembly and replacement process of the walking wheel can be achieved by 2-3 persons, the time consumed for actually replacing the single-branch walking wheel is shortened by about 6-7 hours, and the maintenance work efficiency is improved; in addition, the safety platform support is easy to manufacture and not prone to damage, and the cost of auxiliary machines can be reduced when the safety platform support is used.

Description

Technical Field

[0001] The utility model relates to the field of walking wheel replacement equipment, and more specifically, to a special safety platform bracket for replacing the walking wheels of a new type of stacker-reclaimer. Background Art

[0002] As large-scale electromechanical equipment in large ports, stackers and reclaimers are built and installed at a height of 1.4 - 1.5 meters above the ground level, and use a walking three-in-one motor reducer as the driving device to drive the walking wheel set to run along a specific track route.

[0003] The following problems exist when replacing the walking wheel set:

[0004] Since the overall weight of the walking wheel is relatively large (especially the driving wheel with bearings), when disassembling and installing, it is usually necessary to use a mobile machine such as an excavator as an auxiliary lifting and maintenance tool, and at the same time, 5 - 8 people are required to work together for 11 - 12 hours to complete. It is time-consuming and laborious, difficult to replace, delays the normal use of the stacker-reclaimer, and thus has a greater impact on the entire production organization. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the problems raised in the above background art, and then a special safety platform bracket for replacing the walking wheels of a new type of stacker-reclaimer is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] A special safety platform bracket for replacing the walking wheels of a new type of stacker-reclaimer includes two brackets and two hook plates. The brackets are provided with installation frames that are open on both sides and symmetrically distributed. Between the two installation frames, there is a high-strength alloy track steel with a hollow interior. The bottom of the high-strength alloy track steel is provided with through holes, and two groups of rollers are rolling on the inner bottom surface of the high-strength alloy track steel. One group of rollers includes four, and two of them are symmetrically connected to a hook plate through a rotating shaft. The hook plate moves along the through hole to orient the transfer of the walking wheel.

[0008] When using the safety platform bracket in this application to replace and repair the walking wheel, the number of auxiliary personnel can be significantly reduced, the operation process is simplified, 2 - 3 people can realize the disassembly and replacement process of the walking wheel, and the actual time-consuming for replacing a single walking wheel is shortened by about 6 - 7 hours, improving the maintenance work efficiency; in addition, the safety platform bracket is simple to manufacture and not easily damaged, and the cost of auxiliary machinery can be reduced during use.

[0009] Furthermore, a protective iron chain is provided on the bracket, and a fastening plate is connected to the bottom of the bracket. The fastening plate is installed on the movement track of the walking wheel through bolts.

[0010] The above solution improves the stability of the safety bracket on the moving wheel track after assembly through the fastening plate and bolts, and the effect is better when combined with the protective iron chain.

[0011] Furthermore, a handle is provided on the hook plate, and an anti-slip pad is provided on the handle.

[0012] The above solution can make the directional movement of the hook plate along the through hole more convenient through the handle, and then transfer the moving wheel along the track, which is convenient for applying force and can effectively prevent slipping.

[0013] Furthermore, the length of the high-strength alloy rail steel is 3 - 3.5 meters.

[0014] In the above solution, the maximum load-bearing capacity of each meter of high-strength alloy rail steel is 800 kg, and pulleys that can bear the same weight are selected for use.

[0015] Furthermore, the bracket is movably connected to the installation frame, and the installation frame is movably connected to the high-strength alloy rail steel.

[0016] The safety platform bracket in the above solution adopts a split design, which is convenient for the transfer before and after the replacement of the moving wheel.

[0017] Furthermore, both the bracket and the installation frame are made of channel steel.

[0018] Furthermore, a lifting hole is provided on the hook plate.

[0019] Compared with the prior art, the beneficial effects of the present utility model are:

[0020] When using the safety platform bracket in this application to replace and repair the moving wheel, the number of auxiliary personnel can be significantly reduced, the operation process is simplified, and the disassembly and replacement process of the moving wheel can be realized by 2 - 3 people. The actual time-consuming for replacing a single moving wheel is shortened by about 6 - 7 hours, improving the maintenance work efficiency; in addition, the safety platform bracket is simple to manufacture and not easily damaged, which can reduce the cost of auxiliary machinery during use. When replacing the moving wheel, the bracket has high stability and can be replaced and assembled safely and smoothly, while reducing the safety risk during maintenance operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the overall structural schematic diagram of the present utility model;

[0022] Figure 2 is the schematic diagram of the through hole;

[0023] Figure 3 is the connection schematic diagram of the roller and the hook plate;

[0024] Figure 4 is the installation schematic diagram of the protective iron chain;

[0025] Reference numerals:

[0026] 1. Outrigger; 2. Mounting frame; 3. High-strength alloy rail steel; 31. Through hole; 4. Roller; 5. Rotating shaft; 6. Hook plate; 61. Lifting hole; 7. Protective iron chain; 8. Fastening plate. Detailed implementation manners

[0027] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. The present utility model will be further described below in conjunction with the accompanying drawings and embodiments:

[0028] As Figures 1 to 4 shown, a special safety platform bracket for replacing the walking wheels of a new stacker-reclaimer includes two brackets 1 and two hook plates 6 respectively used for hoisting new walking wheels and walking wheels to be replaced. The walking wheels are not shown in the figure. Lifting holes 61 are provided on the hook plates 6. Mounting frames 2 with open sides and symmetrically distributed are movably connected to the brackets 1. A high-strength alloy rail steel 3 with a hollow interior is movably connected between the two mounting frames 2. Specifically, the length of the high-strength alloy rail steel 3 is 3 - 3.5 meters, and the brackets 1 and the mounting frames 2 are both made of 8# channel steel. Through holes 31 with a rectangular main body shape are provided at the bottom of the high-strength alloy rail steel 3, and two groups of rollers 4 roll on the inner bottom surface of the high-strength alloy rail steel 3. One group of rollers 4 includes four rollers, and two of them are symmetrically connected to one hook plate 6 through a rotating shaft 5. The hook plate 6 moves along the through hole 31 to orient the transfer of the walking wheels.

[0029] The working process of the present utility model:

[0030] First, separate the old walking wheels to be replaced from the stacker-reclaimer. Then, use a jack to lift the body of the stacker-reclaimer without the walking wheels to be replaced upward to a pre-set safe height that does not affect subsequent replacement. Immediately install this device on the movement track of the walking wheels. It should be noted that at the beginning, this device was designed in a split form. When replacing the walking wheels, parts such as bracket 1, mounting frame 2, and high-strength alloy track steel 3 can be transferred to one side of the movement track of the walking wheels and then start assembling. It should be noted that the maximum load per meter of the high-strength alloy track steel 3 is 800 kg, and at the same time, rollers that can bear the same weight are selected for use. After assembly, use the left hook plate 6 in cooperation with a pneumatic hoist and wire rope to hoist the old walking wheels to be replaced. This application gives a hoisting embodiment, that is, a pneumatic hoist, and other methods can also be used. The hoisting method belongs to the prior art and will not be improved and is not shown in the figure. And the right hook plate 6 is used to hoist the new walking wheels. When both the old walking wheels to be replaced and the new walking wheels are hoisted, immediately pull the left hook plate 6 and then move it horizontally to the left. At this time, the old walking wheels move along the movement track to the track end beam for stacking. When the old walking wheels to be replaced are moved, immediately pull the right hook plate 6 so that the new walking wheels also move horizontally to the left along the track to the position of the previous old walking wheels and then stop. Immediately release the hoisting. After releasing the hoisting, disassemble and transfer this device. When the device is disassembled and transferred, immediately lower the body of the stacker-reclaimer with the jack, and then install the new walking wheels on the body of the stacker-reclaimer to complete the replacement process of the walking wheels;

[0031] Compared with the prior art, when using the safety platform bracket in this application to replace and repair the walking wheels, the number of auxiliary personnel can be significantly reduced, the operation process is simplified, and 2 - 3 people can realize the disassembly and replacement process of the walking wheels. The actual time-consuming for replacing a single walking wheel is shortened by about 6 - 7 hours, improving the maintenance work efficiency; in addition, the safety platform bracket is simple to manufacture and not easily damaged, and the cost of auxiliary machinery can be reduced during use.

[0032] In some embodiments, as Figure 4 shown, a protective iron chain 7 is provided on the bracket 1 and a fastening plate 8 is connected to the bottom of the bracket 1. The fastening plate 8 is installed on the movement track of the walking wheels through bolts, and the bolts and the movement track of the walking wheels are not shown in the figure; in this embodiment, the fastening plate 8 is used in cooperation with the bolts to improve the stability of the assembled safety bracket on the movement track of the walking wheels, and the effect is better when combined with the protective iron chain 7.

[0033] In other embodiments, a handle for facilitating force application is provided on the hook plate 6 and an anti-slip pad is provided on the handle, and the handle is not shown in the figure; in this embodiment, the handle can make it more convenient for the hook plate 6 to move directionally along the through hole 31 and then transfer the walking wheels along the track, facilitating force application and effectively preventing slipping.

[0034] The basic principles, main features, and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of protection required by the present utility model. The scope of protection required by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A special safety platform bracket for replacing the walking wheels of a new type of stacker-reclaimer, characterized in that, It includes two brackets (1) and two hook plates (6). An installation frame (2) with open sides and symmetric distribution is arranged on the bracket (1). A high-strength alloy track steel (3) with a hollow interior is arranged between the two installation frames (2). A through hole (31) is opened at the bottom of the high-strength alloy track steel (3), and two groups of rollers (4) roll on the inner bottom surface of the high-strength alloy track steel (3). One group of rollers (4) includes four, and two of them are symmetrically connected to a hook plate (6) through a rotating shaft (5). The hook plate (6) moves along the through hole (31) to enable the directional transfer of the walking wheels.

2. The special safety platform bracket for replacing the walking wheels of the new type of stacker-reclaimer according to claim 1, characterized in that, A protective iron chain (7) is arranged on the bracket (1), and a fastening plate (8) is connected to the bottom of the bracket (1). The fastening plate (8) is installed on the movement track of the walking wheels through bolts.

3. The special safety platform bracket for replacing the walking wheels of a new type of stacker-reclaimer according to claim 1, characterized in that, A handle is arranged on the hook plate (6), and an anti-slip pad is arranged on the handle.

4. The special safety platform bracket for replacing the walking wheels of a new type of stacker-reclaimer according to claim 1, characterized in that, The length of the high-strength alloy track steel (3) is 3 - 3.5 meters.

5. The special safety platform bracket for replacing the walking wheels of a new type of stacker-reclaimer according to claim 1, characterized in that, The bracket (1) is movably connected to the installation frame (2), and the installation frame (2) is movably connected to the high-strength alloy track steel (3).

6. The special safety platform bracket for replacing the walking wheels of the new stacker-reclaimer according to claim 1, characterized in that, Both the bracket (1) and the installation frame (2) are prepared from channel steel.

7. A special safety platform bracket for replacing the walking wheels of a new type of stacker-reclaimer according to claim 1, characterized in that, A hoisting hole (61) is opened on the hook plate (6).

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