Coal-fired power plant fan support

Abstract

The utility model discloses a coal-fired power plant fan support which comprises a support base, and a fan body is installed on the top of the support base. A connecting structure is arranged on the top of the support base and located on the outer side of the fan body, a transmission structure is arranged on the inner side of the support base and used for driving the connecting structure to operate, the connecting structure comprises a connecting block arranged on the top of the support base, the connecting block is fixedly connected with the support base, and a fixing rod is arranged on the outer side of the connecting block. The fixing rod is located on the outer side of the fan body. According to the fan support for the coal-fired power plant, the support and the fan can be flexibly disassembled and assembled, when an operator needs to clean fire coal dust in the fan installed in a narrow space, the fan can be conveniently disassembled and assembled, the operation step that the whole support and the fan need to be disassembled and assembled is omitted, time and labor are saved, and the maintenance efficiency of the fan is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of coal-fired power plant equipment, in particular to a fan bracket for a coal-fired power plant. Background Art

[0002] There are many types of fans in coal-fired power plants, including induced draft fans, forced draft fans, primary fans, powder exhaust fans, fire detection fans, sealing fans, cooling fans, smoke exhaust fans, etc. These fans play important roles in coal-fired power plants, such as conveying air, discharging exhaust gas and smoke, conveying cooling air, sealing air, etc. At present, the connection between the fan and the ground is generally connected to the fan plate or bracket cast on the ground by bolts. It is time-consuming to disassemble and move during maintenance, which is inconvenient for maintenance or simple repair of fans installed in a small space.

[0003] For example, the Chinese patent with application number: 202122383656.4, the patent name is: A fan mounting bracket for a power plant, comprising a fan body and a frame, the bottom end of the frame is fixedly connected to a fixed bottom block, the side of the fixed bottom block is fixedly connected to a fixed side panel, the side of the fixed side panel is fixedly connected to a dust net, the inner bottom end of the frame is fixedly connected to a fixed bottom plate, the upper surface of the fixed bottom plate is fixedly connected to a placement basket, the inner bottom end of the placement basket is fixedly connected to a connecting bottom plate, the side of the connecting bottom plate is fixedly connected to a placement partition, the inner side wall of the frame is fixedly connected to a connecting frame, and the internal sliding connection of the connecting frame is a placement box. The application is simple to operate. By setting a connecting port, a telescopic rod, a connecting top plate, a connecting plate, a connecting pad, a fixed bottom plate and a placing partition, it is convenient to stably place the fan and reduce the vibration of the fan during operation. The structure of the bracket is relatively simple, in that the bracket and the fan are fixed to each other. When the user needs to clean the coal dust inside the fan installed in a narrow space, the entire bracket together with the fan needs to be disassembled and assembled, which is time-consuming and labor-intensive.

[0004] Therefore, it is necessary to redesign the fan bracket of the coal-fired power plant. Utility Model Content

[0005] The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art and to provide a coal-fired power plant fan bracket with a rational structural design, which has the advantage of being easy to disassemble and assemble, and solves the problem that when a user needs to clean the coal dust inside a fan installed in a narrow space, the entire bracket needs to be disassembled and assembled together with the fan, which is time-consuming and labor-intensive and affects the maintenance efficiency of the fan.

[0006] The technical solution adopted by the utility model to solve the above-mentioned problem is: a coal-fired power plant fan support, including a support base, and a fan body is installed on the top of the support base; it is characterized in that: a connecting structure is arranged on the top of the support base, and the connecting structure is located on the outside of the fan body, and a transmission structure is arranged on the inside of the support base, and the transmission structure is used to drive the connecting structure to operate, and the connecting structure includes a connecting block arranged on the top of the support base, and the connecting block is fixedly connected to the support base, and a fixing rod is arranged on the outside of the connecting block, and the fixing rod is located on the outside of the fan body.

[0007] Furthermore, the transmission structure includes a transmission motor arranged below the bracket base, the output end of the transmission motor is fixedly connected with a screw rod, the top end of the screw rod is movably connected to the bottom of the bracket base via a bearing, the surface of the screw rod is threadedly connected with a lifting plate, the top of the lifting plate is fixedly connected with an extrusion ring sleeved on the outside of the bracket base, and the extrusion ring is located on the outside of the fixed rod.

[0008] Furthermore, a column is fixedly connected to the bottom of the bracket base, the column passes through the lifting plate, the column is slidably connected to the lifting plate, the bottom of the column is fixedly connected to the bottom plate, and the transmission motor is fixed on the bottom plate.

[0009] Furthermore, a rubber pad is fixedly connected to the inner side of the fixing rod, the rubber pad is in contact with the surface of the fan body, and the rubber pad is elastic.

[0010] Furthermore, a support plate is provided above the bracket base, a guide rod is connected to the bottom of the support plate, the guide rod passes through the bracket base and the lifting plate in sequence, and a nut located at the top of the bracket base is threadedly connected to the surface of the guide rod.

[0011] Furthermore, a shielding frame is fixedly connected to the top of the bottom plate, and the shielding frame is located outside the lifting plate.

[0012] Compared with the prior art, the utility model has the following advantages and effects: the fan bracket of the coal-fired power plant can be flexibly disassembled and assembled with the fan, and when the operator needs to clean the coal dust inside the fan installed in a narrow space, the fan can be conveniently disassembled and assembled, saving the operating steps of disassembling and assembling the entire bracket together with the fan, saving time and effort, and ensuring the maintenance efficiency of the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 3It is a schematic diagram of the top structure of the utility model.

[0016] In the figure: bracket base 1, fan body 2, connecting structure 3, transmission structure 4, connecting block 5, fixing rod 6, transmission motor 7, screw 8, lifting plate 9, extrusion ring 10, column 11, bottom plate 12, rubber pad 13, support plate 14, guide rod 15, nut 16, shielding frame 17. DETAILED DESCRIPTION

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0018] See also Figures 1 to 3 A wind turbine support for a coal-fired power plant includes a support base 1, a wind turbine body 2 is installed on the top of the support base 1; a connecting structure 3 is arranged on the top of the support base 1, and the connecting structure 3 is located on the outside of the wind turbine body 2; a transmission structure 4 is arranged on the inner side of the support base 1, and the transmission structure 4 is used to drive the connecting structure 3 to operate, and the connecting structure 3 includes a connecting block 5 arranged on the top of the support base 1, the number of the connecting blocks 5 is four and they are symmetrically arranged with each other, the connecting block 5 is fixedly connected to the support base 1, and a fixing rod 6 is arranged on the outside of the connecting block 5, and the fixing rod 6 is located on the outside of the wind turbine body 2.

[0019] The transmission structure 4 includes a transmission motor 7 disposed below the support base 1, a screw 8 is fixedly connected to the output end of the transmission motor 7, the top of the screw 8 is movably connected to the bottom of the support base 1 through a bearing, a lifting plate 9 is threadedly connected to the surface of the screw 8, and a squeezing ring 10 sleeved on the outside of the support base 1 is fixedly connected to the top of the lifting plate 9, and the squeezing ring 10 is located on the outside of the fixed rod 6. By arranging the transmission motor 7, the screw 8, the lifting plate 9 and the squeezing ring 10, the fixed rod 6 can be squeezed.

[0020] The bottom of the bracket base 1 is fixedly connected with a column 11, the column 11 passes through the lifting plate 9, the column 11 is slidably connected to the lifting plate 9, the bottom of the column 11 is fixedly connected with a bottom plate 12, and the transmission motor 7 is fixed on the bottom plate 12. By setting the column 11 and the bottom plate 12, the lifting and lowering of the lifting plate 9 can be guided.

[0021] The inner side of the fixing rod 6 is fixedly connected with a rubber pad 13, which contacts the surface of the fan body 2 and has elasticity. By providing the rubber pad 13, the fixing effect of the fixing rod 6 can be improved, and the friction between the fixing rod 6 and the fan body 2 can be increased.

[0022] A support plate 14 is provided above the support base 1, and a guide rod 15 is connected to the bottom of the support plate 14. The guide rod 15 passes through the support base 1 and the lifting plate 9 in sequence, and a nut 16 located at the top of the support base 1 is threadedly connected to the surface of the guide rod 15. By providing the support plate 14 and the guide rod 15, it is convenient for operators to adjust the height of the fan body 2 to meet the use requirements of different environments.

[0023] The top of the bottom plate 12 is fixedly connected with a shielding frame 17, and the shielding frame 17 is located outside the lifting plate 9. By providing the shielding frame 17, the contact between the transmission structure 4 and the external environment can be reduced.

[0024] During use, when the fan body 2 needs to be disassembled and maintained, the transmission motor 7 is turned on, and the transmission motor 7 drives the screw 8 to rotate. The screw 8 uses the thread to push the lifting plate 9 downward. When the extrusion ring 10 is out of contact with the fixing rod 6 and moves to the bottom of the bracket base 1, the fixing rod 6 can swing with the pin shaft inside the connecting block 5 as the axis. When the rubber pad 13 on the inside of the fixing rod 6 is out of contact with the fan body 2, the operator can disassemble and separate the fan body 2 and the bracket base 1.

[0025] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0026] In addition, it should be noted that the above content described in this specification is only an example of the structure of the utility model. All equivalent changes made based on the structure, features and principles described in the utility model patent are included in the protection scope of the utility model patent. Technicians in the technical field of the utility model can make various modifications, supplements or replace the specific embodiments described in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.

Claims

1. A fan support for a coal-fired power plant, comprising a support base (1), a fan body (2) being mounted on the top of the support base (1); Features: A connection structure (3) is arranged at the top of the support base (1), and the connection structure (3) is located on the outside of the fan body (2). A transmission structure (4) is arranged on the inside of the support base (1), and the transmission structure (4) is used to drive the connection structure (3) to operate. The connection structure (3) comprises a connection block (5) arranged at the top of the support base (1), and the connection block (5) is fixedly connected to the support base (1). A fixing rod (6) is arranged on the outside of the connection block (5), and the fixing rod (6) is located on the outside of the fan body (2); the transmission structure (4) comprises a transmission motor (7) arranged below the support base (1), and the output end of the transmission motor (7) is fixedly connected to a screw rod (8), and the top end of the screw rod (8) is movably connected to the bottom of the support base (1) through a bearing. A lifting plate (9) is threadedly connected to the surface of the screw rod (8), and the top of the lifting plate (9) is fixedly connected to an extrusion ring (10) sleeved on the outside of the support base (1), and the extrusion ring (10) is located on the outside of the fixing rod (6).

2. The fan support for a coal-fired power plant according to claim 1, Features: The bottom of the bracket base (1) is fixedly connected to a column (11), the column (11) passes through the lifting plate (9), the column (11) is slidably connected to the lifting plate (9), the bottom of the column (11) is fixedly connected to a bottom plate (12), and the transmission motor (7) is fixed on the bottom plate (12).

3. The fan support for a coal-fired power plant according to claim 1, Features: A rubber pad (13) is fixedly connected to the inner side of the fixing rod (6), the rubber pad (13) is in contact with the surface of the fan body (2), and the rubber pad (13) is elastic.

4. The fan support for a coal-fired power plant according to claim 1, Features: A support plate (14) is arranged above the support base (1), and a guide rod (15) is connected to the bottom of the support plate (14). The guide rod (15) passes through the support base (1) and the lifting plate (9) in sequence, and a nut (16) located at the top of the support base (1) is threadedly connected to the surface of the guide rod (15).

5. The fan support for a coal-fired power plant according to claim 2, Features: A shielding frame (17) is fixedly connected to the top of the bottom plate (12), and the shielding frame (17) is located outside the lifting plate (9).

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