Quick disassembly and assembly tool for pulverized coal feeder

Abstract

The utility model relates to a quick disassembly and assembly tool for a pulverized coal feeder, which belongs to the technical field of coal pulverizing systems of boilers of thermal power plants and comprises a support, a jack and a support plate are mounted on the support, the jack is used for pushing the support plate to move up and down, universal wheels and lifting foot cups are mounted at the bottom of the support, and the lifting foot cups are used for lifting the support to keep the support stable. When the powder feeder is disassembled, the powder feeder is prevented from suddenly falling to cause side turning of the bracket; adjustable stop blocks are further mounted on the periphery of the supporting plate; according to the quick disassembling and assembling tool for the pulverized coal feeder, when the pulverized coal feeder is disassembled and assembled, the supporting plate is jacked through the jack, the pulverized coal feeder is lifted, the pulverized coal feeder is moved and carried through the universal wheels, workers can be assisted in quickly disassembling and assembling the pulverized coal feeder, the labor intensity of the workers is greatly relieved, the overhauling efficiency is improved, and potential safety hazards in the disassembling and assembling process of the pulverized coal feeder are eliminated.

Description

Technical Field

[0001] The utility model relates to a quick disassembly and assembly tooling for a coal feeder, belonging to the technical field of the coal pulverizing system of a thermal power plant boiler. Background Art

[0002] The main function of the coal feeder is to quantitatively and evenly send the pulverized coal in the coal powder bin into the pipeline and then into the furnace for combustion. It is one of the important equipment in a thermal power plant. The coal feeder is installed at the lower end of the coal bin, weighing about 200 kg and about 1.5 m above the ground. Multiple coal powder pipelines are connected below the coal feeder.

[0003] During the maintenance of the coal feeder, due to the obstruction of the coal powder pipelines, narrow space, and no reliable hanging points around, it is impossible to carry out hoisting. Multiple people need to cooperate for disassembly and assembly, which takes a large amount of manpower and material resources, has a high labor intensity for workers, low maintenance efficiency, and high danger coefficient. Content of the Utility Model

[0004] According to the deficiencies in the above prior art, the technical problem to be solved by the utility model is: to provide a quick disassembly and assembly tooling for a coal feeder, which can assist workers to complete the quick disassembly and assembly of the coal feeder, reduce the labor intensity, improve the maintenance efficiency, and eliminate potential safety hazards.

[0005] The quick disassembly and assembly tooling for a coal feeder of the utility model includes a bracket. A jack and a support plate are installed on the bracket. The jack is used to push the support plate to move up and down. Universal wheels and lifting foot cups are installed at the bottom of the bracket. The lifting foot cups are used to lift the bracket to keep it stable, in case the coal feeder suddenly falls during the disassembly of the coal feeder and causes the bracket to tip over. Adjustable stoppers are also installed around the support plate.

[0006] The technical solution of the utility model is to provide a quick disassembly and assembly tooling for a coal feeder. When disassembling and assembling the coal feeder, the support plate is lifted by the jack to support the coal feeder, and it is moved and carried by means of the universal wheels, so as to reduce the labor intensity of workers and improve the maintenance efficiency.

[0007] Preferably, the bracket is provided with a top plate. A guide cylinder is provided on the top plate. A guide post is provided on the support plate. The guide post passes through the guide cylinder. The bracket and the support plate are movably connected through the guide cylinder and the guide post.

[0008] Further, a jack mounting plate is provided at the center position below the top plate. An opening for the jack to pass through is also provided on the top plate. The opening is located above the jack mounting plate. The bottom of the jack is fixedly connected to the jack mounting plate. The jack rod of the jack is connected to the support plate.

[0009] Preferably, legs are provided below the top plate of the support. The bottom of the legs is connected with universal wheels. The legs are rotatably connected with swing rods. The lifting foot cups are threadedly connected with the swing rods. A top bolt is installed on the swing rod to tighten the legs and prevent the swing rods from rotating. A rocker arm is provided at the top of the lifting foot cup to facilitate rotating the lifting foot cup to jack up the support.

[0010] Preferably, long holes are provided in the block for adjusting the position of the block.

[0011] Preferably, handles are provided on both sides of the top plate to facilitate moving the quick disassembly and assembly tooling of the powder feeder.

[0012] The beneficial effects of the present utility model compared with the prior art are as follows:

[0013] For the quick disassembly and assembly tooling of the powder feeder of the present utility model, when disassembling and assembling the powder feeder, the support plate is jacked up by the jack to support the powder feeder, and it is moved and carried by means of the universal wheels, which can assist workers to complete the quick disassembly and assembly of the powder feeder, greatly reducing the labor intensity of workers, improving the maintenance efficiency, and eliminating the potential safety hazards during the disassembly and assembly of the powder feeder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is one of the structural schematic diagrams of the present utility model;

[0015] Figure 2 is the second structural schematic diagram of the present utility model;

[0016] Figure 3 is the three-dimensional view of the support;

[0017] Figure 4 is the three-dimensional view of the support plate.

[0018] In the figure: 1, support plate; 11, guide post; 2, block; 3, support; 31, top plate; 32, guide cylinder; 33, handle; 34, leg; 35, jack mounting plate; 4, swing rod; 41, top bolt; 5, lifting foot cup; 51, rocker arm; 6, universal wheel; 7, jack. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The present utility model will be further described below in conjunction with specific embodiments.

[0020] However, the description of the present utility model is only an embodiment of the structural and functional description. The scope of the rights of the present utility model is not limited by the embodiments described in the text.

[0021] For example, multiple embodiments can have various changes and various forms. It should be understood that the scope of the rights of the present utility model includes equivalents that can implement the technical idea.

[0022] Such as Figures 1 to 4As shown in the figure, this embodiment is implemented through the following technical solutions: It includes a bracket 3, on which a jack 7 and a support plate 1 are installed. The jack 7 is used to push the support plate 1 to move up and down. At the bottom of the bracket 3, universal wheels 6 and lifting foot cups 5 are installed. The lifting foot cups 5 are used to lift the bracket 3 to keep it stable, so as to prevent the bracket 3 from tipping over when the powder feeder is disassembled and the powder feeder suddenly falls; Adjustable stoppers 2 are also installed around the support plate 1.

[0023] In this embodiment, the bracket 3 is provided with a top plate 31, and a guide cylinder 32 is provided on the top plate 31. A guide post 11 is provided on the support plate 1, and the guide post 11 passes through the guide cylinder 32. The bracket 3 and the support plate 1 are movably connected through the guide cylinder 32 and the guide post 11; At the center position below the top plate 31, a jack mounting plate 35 is provided. An opening for the jack 7 to pass through is also provided on the top plate 31, and the opening is located above the jack mounting plate 35. The bottom of the jack 7 is fixedly connected to the jack mounting plate 35, and the rod of the jack 7 is connected to the support plate 1; Below the top plate 31 of the bracket, there are legs 34. Universal wheels 6 are connected to the bottom of the legs 34. The legs 34 are rotatably connected to a swing rod 4. The lifting foot cup 5 is threadedly connected to the swing rod 4. A top bolt 41 is installed on the swing rod 4 to prevent the swing rod 4 from rotating by pressing against the legs 34; A rocker arm 51 is provided at the top of the lifting foot cup 5 to facilitate turning the lifting foot cup 5 to lift the bracket 3. Long holes are provided on the stoppers 2 for adjusting the positions of the stoppers 2. Handles 33 are provided on both sides of the top plate 31 to facilitate moving the quick disassembly and assembly tool for the powder feeder.

[0024] The usage method of the present utility model is as follows:

[0025] When disassembling the powder feeder, push the present utility model under the powder feeder, rotate the swing rod 4 to a suitable position, rotate the rocker arm 51 to lift the bracket 3 so that the universal wheels 6 are slightly off the ground, and then jack up the jack 7 so that the support plate 1 holds the powder feeder, and then disassemble the bolts of the powder feeder; After disassembly, first lower the support plate 1 to the lowest position, and then rotate the rocker arm 51 to make the universal wheels 6 slowly land on the ground.

[0026] When transporting the powder feeder, adjust the stopper 2 to the upper limit position to prevent the powder feeder from falling.

[0027] When installing the powder feeder, place the powder feeder on the support plate 1, push the present utility model to below the installation position, rotate the swing rod 4 to a suitable position, rotate the rocker arm 51 to lift the bracket 3 so that the universal wheels 6 are slightly off the ground, and then jack up the jack 7 to lift the powder feeder to a suitable height, and then install the bolts of the powder feeder; After installation, first lower the support plate 1 to the lowest position, and then rotate the rocker arm 51 to make the universal wheels 6 slowly land on the ground.

[0028] Of course, the above is only a preferred embodiment of the present utility model and cannot be considered as limiting the scope of the embodiments of the present utility model. The present utility model is not limited to the above examples either. Equivalent changes and improvements made by those of ordinary skill in the art within the essence of the present utility model shall fall within the scope covered by the patent of the present utility model.

Claims

1. A quick disassembly and assembly tooling for a powder feeder, characterized in that It includes a bracket (3), on which a jack (7) and a support plate (1) are installed. The jack (7) is used to push the support plate (1) to move up and down; universal wheels (6) and lifting foot cups (5) for lifting the bracket are installed at the bottom of the bracket (3); adjustable stoppers (2) are also installed around the support plate (1).

2. The quick disassembly and assembly tooling for the powder feeder according to claim 1, characterized in that, The bracket (3) is provided with a top plate (31), and a guide cylinder (32) is provided on the top plate (31). A guide post (11) is provided on the support plate (1), and the guide post (11) passes through the guide cylinder (32). The bracket (3) and the support plate (1) are movably connected through the guide cylinder (32) and the guide post (11).

3. The quick disassembly and assembly tooling for the powder feeder according to claim 2, wherein, A jack mounting plate (35) is provided at the central position below the top plate (31). An opening for the jack (7) to pass through is also provided on the top plate (31), and the opening is located above the jack mounting plate (35). The bottom of the jack (7) is fixedly connected to the jack mounting plate (35), and the jack rod of the jack (7) is connected to the support plate (1).

4. The quick disassembly and assembly tooling for the powder feeder according to claim 3, wherein Legs (34) are provided below the top plate (31) of the bracket. Universal wheels (6) are connected to the bottoms of the legs (34). The legs (34) are rotatably connected to a swing rod (4). The lifting foot cup (5) is threadedly connected to the swing rod (4), and a top bolt (41) is installed on the swing rod (4); a rocker arm (51) is provided at the top of the lifting foot cup (5).

5. The quick disassembly and assembly tooling for the powder feeder according to claim 1, wherein The stopper (2) is provided with long holes for adjusting the position.

6. The quick disassembly and assembly tooling for the powder feeder according to claim 4, characterized in that, Handles (33) are provided on both sides of the top plate (31).

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