Special tool for disassembling flame tube of heavy-duty gas turbine

Abstract

The utility model discloses a special tool for disassembling a flame tube of a heavy duty gas turbine, which comprises a main body, two ends of the main body are respectively a supporting end and a force application end, and the supporting end is provided with a rope hole and a supporting block; a pulling rope penetrates through the rope hole, a pulling head is arranged at the outer end of the pulling rope, the supporting block is connected with the body in a hinged mode, a handle is arranged at the force application end of the body, the supporting end of the body is connected with the supporting block through a shaft pin, and a flame tube shell and a flow guide lining are arranged at the outer end of the supporting block. The special tool for disassembling the flame tube of the heavy-duty gas turbine is simple in structural design and convenient and reliable to operate, suitable supporting blocks can be replaced, the length of the pulling rope can be adjusted, and the pulling head in the optimal shape can be installed according to flame tubes of different models, the universality is high, the damage rate is reduced, and meanwhile the labor cost, the maintenance cost and the like are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of disassembly tools, and specifically relates to a special tool for disassembling a flame tube of a heavy-duty gas turbine. Background Art

[0002] In the related technologies, with the vigorous development of economy, my country has higher and higher requirements for environmental protection and clean energy. Due to the advantages of gas turbines such as high efficiency, low noise and low emission, it has been rapidly developed and widely used in the fields of power, aerospace, shipbuilding and vehicles.

[0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0004] As one of the core hot parts of the gas turbine, the flame tube is very expensive. Traditionally, workers rely on their experience to knock the flame tube out by using copper or aluminum rods.

[0005] There is a risk of flame tube damage and a long maintenance cycle. Utility Model Content

[0006] The utility model aims to provide a special tool for disassembling a flame tube of a heavy-duty gas turbine to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special tool for disassembling a heavy-duty gas turbine flame tube, comprising a main body, wherein the two ends of the main body are divided into a supporting end and a force-applying end, and the supporting end is provided with a rope hole and a supporting block; a pulling rope is passed through the rope hole, and a pulling head is provided at the outer end of the pulling rope, and the supporting block is connected to the main body in a hinged manner.

[0008] Preferably, a handle is provided at the force-applying end of the main body.

[0009] Preferably, the supporting end of the main body is connected to the supporting block via a shaft pin.

[0010] Preferably, a flame tube shell and a guide bushing are provided at the outer end of the support block, a flame tube is provided on the inner side of the guide bushing, a flame tube plug plate is provided on the outer side of the flame tube, and a plug hole is provided on the flame tube plug plate.

[0011] Preferably, a flange is provided at the connection between the flame tube shell and the guide bushing, and the flange abuts against the support block.

[0012] Preferably, the pulling head is hook-shaped or trapezoidal.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the special tool for disassembling the flame tube of a heavy-duty gas turbine provided by the utility model has a simple structural design and is convenient and reliable to operate. According to different types of flame tubes, suitable support blocks can be replaced, the length of the pull rope can be adjusted, and the pull head of the optimal shape can be installed. It has strong universal performance, reduces the damage rate, and at the same time reduces labor and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] FIG1 is a schematic diagram of the structure of Example 1 of the present utility model;

[0015] FIG2 is a schematic diagram of the connection between the pulling rope and the pulling head in Example 1; FIG3 is a schematic cross-sectional diagram of the connection between the main body and the support block;

[0016] FIG4 is a schematic diagram of the structure of Example 2 of the present utility model;

[0017] FIG. 5 is a schematic diagram showing the connection between the pulling rope and the pulling head in Example 2.

[0018] In the figure: 1. handle; 2. main body; 3. axle pin; 4. support block; 5. pull rope; 6. pull head; 7. trapezoidal pull head; 8. flame tube shell; 9. guide bushing. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1, please refer to Figures 1-3, the utility model provides a technical solution: a special tool for disassembling a heavy-duty gas turbine flame tube, including a main body 2, the two ends of the main body 2 are divided into a supporting end and a force-applying end, the supporting end is provided with a rope hole and a support block 4; a pull rope 5 is passed through the rope hole, and a pull head 6 is provided at the outer end of the pull rope 5, the support block 4 and the main body 2 are connected in a hinged manner, the support block 4 of a suitable height is selected as needed, and is connected to the main body 2 by using an axle pin 3, the pull rope 5 is passed through the rope hole of the main body 2 and adjusted to a suitable length, and is tightened by a buckle.

[0021] Specifically, a handle 1 is provided at the force-applying end of the main body 2 , and the handle 1 is fixed to the main body 2 by screws, so that the staff can apply force to the main body 2 conveniently.

[0022] Specifically, the supporting end of the main body 2 is connected to the supporting block 4 via an axle pin 3 .

[0023] Specifically, the outer end of the support block 4 is provided with a flame tube shell 8 and a guide bushing 9, the inner side of the guide bushing 9 is provided with a flame tube, the outer side of the flame tube is provided with a flame tube plug-in plate, and the flame tube plug-in plate is provided with a plug hole.

[0024] Specifically, a flange is provided at the connection between the flame tube housing 8 and the guide bushing 9, and the flange is against the support block 4. The flange is also called a flange flange or flange. The flange is a part that connects the shafts to each other.

[0025] Used for connection between pipe ends; also used as flanges on equipment inlets and outlets to connect two devices.

[0026] Specifically, the pulling head 6 is hook-shaped or trapezoidal, and the pulling head 6 is replaced according to the requirements of the use environment.

[0027] Working principle: When the utility model is working, according to different types of flame tubes, the supporting end of the main body 2 is provided with a rope hole and a supporting block 4; a pulling rope 5 is passed through the rope hole, and a pulling head 6 is provided at the outer end of the pulling rope 5. When in use, the appropriate supporting block 4 can be replaced according to the environmental conditions, the length of the pulling rope 5 can be adjusted, and the pulling head 6 of the optimal shape can be installed. The main body 2 uses the lever principle to support the supporting block 4 at the flange edge where the flame tube shell 8 and the guide bushing 9 are combined, and the pulling head 6 is hooked into the socket of the flame tube plug plate. The handle 1 is operated to pull out the flame tube through the lever principle. It has strong universal performance, reduces the damage rate, and reduces labor and maintenance costs.

[0028] Embodiment 2, please refer to Figures 4-5. The difference from Embodiment 1 is that the pull head 6 is replaced with a trapezoidal pull head 7. Due to the different structures of the flame tubes of different types of fuel engines, the pull head 6 is further optimized into a trapezoidal pull head 7. The end of the trapezoidal pull head 7 is provided with a flexible part. The trapezoidal pull head 7 is placed in the reserved hole on the top surface of the flame tube to complete the disassembly of the flame tube.

[0029] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special tool for disassembling a heavy-duty gas turbine flame tube, characterized in that: It comprises a main body (2), wherein two ends of the main body (2) are divided into a supporting end and a force-applying end, and the supporting end is provided with a rope hole and a supporting block (4); A draw rope (5) is provided through the rope hole, a draw head (6) is provided at the outer end of the draw rope (5), and the support block (4) is connected to the main body (2) in a hinged manner.

2. A heavy-duty gas turbine flame tube disassembly tool according to claim 1, characterized in that: The force-applying end of the main body (2) is provided with a handle (1).

3. A heavy-duty gas turbine flame tube disassembly tool according to claim 1, characterized in that: The supporting end of the main body (2) is connected to the supporting block (4) via an axle pin (3).

4. A special tool for disassembling a heavy-duty gas turbine flame tube according to claim 1, characterized in that: The outer end of the support block (4) is provided with a flame tube shell (8) and a guide bushing (9), the inner side of the guide bushing (9) is provided with a flame tube, the outer side of the flame tube is provided with a flame tube plug-in plate, and the flame tube plug-in plate is provided with a plug hole.

5. A heavy-duty gas turbine flame tube disassembly tool according to claim 4, characterized in that: A flange is provided at the connection between the flame tube outer shell (8) and the guide bushing (9), and the flange abuts against the support block (4).

6. A heavy-duty gas turbine flame tube disassembly tool according to claim 1, characterized in that: The pulling head (6) is hook-shaped or trapezoidal.

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