Cleaning device for inner wall of annular combustion chamber

Abstract

The utility model provides a cleaning device for the inner wall of an annular combustion chamber, which relates to the field of cleaning of precision devices and comprises a mounting plate fixed on a mounting surface; the fixing mechanism comprises a disc-shaped bearing plate and at least two rotating columns, the bearing plate is arranged on the mounting plate, the rotating columns rotate around the center shafts of the rotating columns, and the rotating columns are perpendicular to the bearing plate and move in the radial direction of the bearing plate; the cleaning mechanism comprises a bearing frame and a nozzle, one end of the bearing frame is arranged on the mounting plate, the other end of the bearing frame is arranged above the bearing plate, the nozzle is rotationally arranged at the other end of the bearing frame, a rotating shaft of the nozzle is parallel to the bearing plate, the nozzle is communicated with a water supply pipe, the water supply pipe is arranged on the bearing frame and communicated to a water supply pump, and the water supply pump is arranged on the mounting plate. And an operator does not need to hold the water spraying pipe, annular combustion chambers of different models can be fixed, and high practicability is achieved.

Description

Technical Field

[0001] The present application relates to the field of precision device cleaning, and in particular to an annular combustion chamber cleaning device. Background Art

[0002] In processing Figure 1 When an annular combustion chamber of a gas turbine is used, after the special-shaped hole on the inner annular surface is processed, it is necessary to wash the inner annular surface and the special-shaped hole to remove the residual machining waste on the metal surface, thereby keeping the metal surface smooth. At present, the inner wall of this annular combustion chamber is generally cleaned by manually holding a water spray pipe after clamping with a clamping tool. This cleaning method easily causes the cleaning liquid to splash onto the operator, and different types of annular combustion chambers require different types of clamping tools, which is more troublesome. Utility Model Content

[0003] In order to solve the above-mentioned defects of the related prior art, the present application provides a device for cleaning the inner wall of an annular combustion chamber, which does not require an operator to hold a water spray pipe and can fix annular combustion chambers of different models, and has strong practicality.

[0004] In order to achieve the above purpose, the utility model adopts the following technologies:

[0005] A device for cleaning the inner wall of an annular combustion chamber, comprising:

[0006] A mounting plate fixed to a mounting surface;

[0007] The fixing mechanism comprises a bearing plate which is in a disc shape and is arranged on the mounting plate, and at least two rotating columns which are arranged to rotate around their own central axes, wherein the rotating columns are perpendicular to the bearing plate and are arranged to move radially along the bearing plate;

[0008] The cleaning mechanism includes a supporting frame and a nozzle. One end of the supporting frame is arranged on a mounting plate, and the other end thereof is arranged above the supporting plate. The nozzle is rotatably arranged at the other end of the supporting frame, and its rotating axis is parallel to the supporting plate. The nozzle is connected with a water supply pipe, which is arranged on the supporting frame and connected to a water supply pump, and the water supply pump is arranged on the mounting plate.

[0009] Furthermore, the supporting plate is vertically penetrated with movable channels whose number matches the rotating columns. A driving block is provided below the supporting plate for radial movement along the supporting plate. The rotating columns are rotatably connected to the driving blocks via connecting columns passing through the movable channels. The driving blocks are equipped with electric screws which are arranged on the lower surface of the supporting plate for driving the driving blocks to move radially along the supporting plate.

[0010] Furthermore, a cylindrical rotating head is vertically arranged on the driving block, and the rotating head is rotatably arranged around its own central axis. A rotating belt is sleeved on the rotating head and the connecting column, and the rotating head is used to drive the rotating column to rotate through the connecting column and the rotating belt.

[0011] Furthermore, a driven gear is arranged in parallel on the mounting plate, one end of the carrier frame and the water pump are both arranged on the driven gear, the driven gear is meshed with the driving gear, a mounting frame is arranged on the mounting plate, a first rotating mechanism is arranged on the mounting frame, and the first rotating mechanism is coaxially connected to the driving gear.

[0012] Furthermore, a rotating seat is provided at the other end of the support frame, and a second rotating mechanism is provided on the rotating seat. The driving shaft of the second rotating mechanism is coaxially connected to the nozzle for driving the nozzle to rotate.

[0013] The beneficial effects of the utility model are:

[0014] The rotating column can fix different types of annular combustion chambers from the inside thereof and can drive the annular combustion chamber to rotate, so that the inner wall of the annular combustion chamber can be cleaned through a nozzle fixed at one point, without the need for manual holding of a water spray pipe for flushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the annular combustion chamber of an embodiment of the present application.

[0016] Figure 2 It is a three-dimensional schematic diagram of the inner wall cleaning device of the annular combustion chamber according to an embodiment of the present application.

[0017] Figure 3 It is a three-dimensional schematic diagram of the inner wall cleaning device of the annular combustion chamber of an embodiment of the present application from another perspective.

[0018] Figure 4 It is a partially enlarged cross-sectional view of the moving channel, driving block, connecting column, electric screw, rotating head, and rotating belt of an embodiment of the present application.

[0019] Markings in the figure: 1-mounting plate, 11-driven gear, 12-driving gear, 13-mounting frame, 14-first rotating mechanism, 2-fixing mechanism, 21-bearing plate, 22-rotating column, 23-moving channel, 24-driving block, 25-connecting column, 26-electric screw, 27-rotating head, 28-rotating belt, 3-cleaning mechanism, 31-bearing frame, 32-nozzle, 33-water supply pipe, 34-water pump, 35-rotating seat, 36-second rotating mechanism. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings, but the embodiment described in the utility model 1 is only a part of the embodiments of the utility model, rather than all the embodiments.

[0021] like Figure 2As shown, this embodiment provides a cleaning device for the inner wall of an annular combustion chamber, including a mounting plate 1, a fixing mechanism 2, and a cleaning mechanism 3.

[0022] Specifically, Figure 2 As shown, the mounting plate 1 is fixed on a mounting surface, and the mounting surface refers to a plane used to fix the device.

[0023] Specifically, Figure 2 and Figure 3 As shown, the fixing mechanism 2 includes a bearing plate 21 which is disc-shaped and arranged on the mounting plate 1 and at least two rotating columns 22 which are rotatable around their own central axes. Specifically, in this example, three rotating columns 22 are provided, and the three rotating columns 22 are arranged in a circular array around the central axis of the bearing plate 21; the rotating columns 22 are perpendicular to the bearing plate 21 and are arranged to move radially along the bearing plate 21, and are used to fix the horizontal position of the rotating columns 22 and drive the annular combustion chamber to rotate around its own central axis. Horizontal means parallel to the mounting plate 1.

[0024] Specifically, Figure 2 and Figure 3 As shown, the cleaning mechanism 3 includes a carrier frame 31 and a nozzle 32. One end of the carrier frame 31 is arranged on the mounting plate 1, and the other end thereof is arranged above the carrier plate 21. The nozzle 32 is rotatably arranged at the other end of the carrier frame 31, and its rotation axis is parallel to the carrier plate 21. The nozzle 32 is used to spray cleaning liquid onto the inner wall of the annular combustion chamber; the nozzle 32 is connected to a water supply pipe 33, and the water supply pipe 33 is arranged on the carrier frame 31 and connected to a water supply pump 34. The water supply pump 34 is arranged on the mounting plate 1, and is used to supply water to the nozzle 32 through the water supply pipe 33.

[0025] During operation, the annular combustion chamber is coaxially placed on the supporting plate 21, and the rotating column 22 is radially moved along the supporting plate 21 so that the rotating column 22 contacts the annular combustion chamber and drives the annular combustion chamber to rotate around its own central axis through its own rotation. At this time, the nozzle 32 sprays water onto the inner wall of the annular combustion chamber, and the nozzle 32 can rotate around its own rotation axis to adjust the height of the cleaning point. In conjunction with the rotation of the annular combustion chamber, the nozzle 32 can clean all positions of the inner wall of the annular combustion chamber.

[0026] Preferably, Figure 3 and Figure 4 As shown, there are vertically running moving channels 23 on the supporting plate 21, the number of which matches the rotating columns 22. A driving block 24 is provided below the supporting plate 21 for radial movement along the supporting plate 21. The rotating columns 22 are rotatably connected to the driving blocks 24 through connecting columns 25 passing through the moving channels 23. The driving blocks 24 are equipped with electric screws 26, which are provided on the lower surface of the supporting plate 21 for driving the driving blocks 24 to move radially along the supporting plate 21, thereby driving the rotating columns 22 to move radially along the supporting plate 21.

[0027] Preferably, Figure 3 and Figure 4 As shown, a cylindrical rotating head 27 is vertically provided on the driving block 24. The rotating head 27 is rotatably arranged around its own central axis. A rotating belt 28 is sleeved on the rotating head 27 and the connecting column 25. The rotating head 27 is used to drive the rotating column 22 to rotate through the connecting column 25 and the rotating belt 28. The rotating head 27 can be driven by a rotating drive mechanical device such as a rotating motor and a rotating cylinder.

[0028] Preferably, Figure 2 and Figure 3 As shown, a driven gear 11 is provided in parallel on the mounting plate 1, one end of the carrier frame 31 and the water pump 34 are both provided on the driven gear 11, the driven gear 11 is meshed with a driving gear 12, a mounting frame 13 is provided on the mounting plate 1, a first rotating mechanism 14 is provided on the mounting frame 13, the first rotating mechanism 14 is coaxially connected to the driving gear 12, the first rotating mechanism 14 can adopt a rotating motor, a rotating cylinder or other rotating driving mechanical device, which is used to drive the driven gear 11 to rotate through the driving gear 12, and then drive the other end of the carrier frame 31 to move away from directly above the carrier plate 21, so as to facilitate the placement and removal of the annular combustion chamber.

[0029] Preferably, Figure 3 As shown, a rotating seat 35 is provided at the other end of the carrier 31, and a second rotating mechanism 36 is provided on the rotating seat 35. The second rotating mechanism 36 can adopt a rotating motor, a rotating cylinder or other rotating driving mechanical device; the driving shaft of the second rotating mechanism 36 is coaxially connected to the nozzle 32 for driving the nozzle 32 to rotate.

[0030] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application.

Claims

1. A device for cleaning the inner wall of an annular combustion chamber, characterized in that: include: A mounting plate (1) fixed to a mounting surface; The fixing mechanism (2) comprises a bearing plate (21) in a disc shape and arranged on the mounting plate (1), and at least two rotating columns (22) arranged to rotate around their own central axes, wherein the rotating columns (22) are perpendicular to the bearing plate (21) and are arranged to move radially along the bearing plate (21); The cleaning mechanism (3) comprises a carrier frame (31) and a nozzle (32). One end of the carrier frame (31) is arranged on the mounting plate (1), and the other end thereof is arranged above the carrier plate (21). The nozzle (32) is rotatably arranged on the other end of the carrier frame (31), and its rotation axis is parallel to the carrier plate (21). The nozzle (32) is connected to a water supply pipe (33), and the water supply pipe (33) is arranged on the carrier frame (31) and connected to a water supply pump (34). The water supply pump (34) is arranged on the mounting plate (1).

2. The annular combustion chamber inner wall cleaning device according to claim 1, characterized in that: The bearing plate (21) is vertically penetrated by moving channels (23) whose number matches the rotating columns (22). A driving block (24) is provided below the bearing plate (21) to move radially along the bearing plate (21). The rotating columns (22) are rotatably connected to the driving blocks (24) via connecting columns (25) passing through the moving channels (23). The driving blocks (24) are equipped with electric screws (26). The electric screws (26) are provided on the lower surface of the bearing plate (21) and are used to drive the driving blocks (24) to move radially along the bearing plate (21).

3. The annular combustion chamber inner wall cleaning device according to claim 2, characterized in that: A cylindrical rotating head (27) is vertically arranged on the driving block (24). The rotating head (27) is rotatably arranged around its own central axis. A rotating belt (28) is sleeved on the rotating head (27) and the connecting column (25). The rotating head (27) is used to drive the rotating column (22) to rotate through the connecting column (25) and the rotating belt (28).

4. The annular combustion chamber inner wall cleaning device according to claim 1, characterized in that: A driven gear (11) is arranged in parallel on the mounting plate (1), one end of the carrier frame (31) and the water supply pump (34) are arranged on the driven gear (11), the driven gear (11) is meshed with a driving gear (12), a mounting frame (13) is arranged on the mounting plate (1), a first rotating mechanism (14) is arranged on the mounting frame (13), and the first rotating mechanism (14) is coaxially connected to the driving gear (12).

5. The annular combustion chamber inner wall cleaning device according to claim 1, characterized in that: A rotating seat (35) is provided at the other end of the carrier (31), and a second rotating mechanism (36) is provided on the rotating seat (35). A driving shaft of the second rotating mechanism (36) is coaxially connected to the nozzle (32) for driving the nozzle (32) to rotate.

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