Gas turbine ignitor cylinder drawing tool

Abstract

The present invention relates to a cylinder extraction tool for a gas turbine igniter, comprising: a cap coupling circumferential part formed with a certain type of separable coupling structure having a cap seating groove inside so as to be coupled to an igniter cylinder cap; a guide bar having a certain length of a slide rod formed on the other side to strike a rod stop projection formed on one side and assembled and installed on the cap coupling circumferential part, and a striking body assembled and installed to move along the slide rod of the guide bar. This allows the igniter cylinder of the gas turbine igniter to be extracted more easily without damaging the gas turbine equipment, and has the effect of being usable with gas turbine igniters of different specifications and igniters applied to other equipment by changing the size of the cap seating groove where the igniter cylinder cap is seated.

Description

Technology Field

[0001] The present invention relates to a cylinder extraction tool for a gas turbine igniter. Specifically, the invention relates to a cylinder extraction tool for a gas turbine igniter that allows the igniter cylinder of the gas turbine igniter to be extracted more easily without damaging the gas turbine facility, and enables the tool to be used with gas turbine igniters of different specifications and igniters applied to other facilities by changing the size of the cap seating groove where the igniter cylinder cap is seated. Background Technology

[0002] Generally, the “tool for disassembling and assembling a gas turbine igniter” is a widely disclosed item, so a detailed description is omitted; however, reference may be made to Registered Utility Model No. 20-0223730, “Tool for disassembling and assembling a gas turbine igniter,” etc.

[0003] The aforementioned “disassembly and assembly tool for a gas turbine igniter” enables the disassembly and assembly of a cylinder cap coupled to a gas turbine igniter to be easily performed even in a confined workspace. Although it overcomes the use of tools such as hammers, vises, and pliers that were conventionally used for disassembling cylinder caps, there are problems such as reduced work efficiency and the worker’s hand hitting surrounding structures because the wrench body must be rotated using a handle mechanism in a confined space.

[0004] In addition, there is a problem that involves the inconvenience of having to work in the narrow space around the gas turbine without hitting the insulation material, as asbestos dust can fly.

[0005] Meanwhile, as illustrated in FIG. 1a), b), and c), a conventional gas turbine igniter (GT Ignitor: 4) injects fuel (GAS) and ignites it when the generator and turbine reach a certain rotational speed (RPM) or higher during startup, and then rotates the turbine; at this time, the igniter is what creates the ignition spark.

[0006] In addition, the gas turbine igniter (4) is structured such that, as shown in FIG. 1c) during the ignition stage after fuel injection, an ignition spark is generated from the spark plug (6), and if ignition is successful, the igniter cylinder (8) is drawn out to the outside due to internal pressure as shown in FIG. 1a).

[0007] However, if the ignition cylinder (8) of the ignition device is not pulled out to the outside, it is considered that the ignition has failed. If the inability to pull out the ignition cylinder (8) is determined through an emergency inspection to be due to seizing and foreign matter caused by long-term operation, a disassembly maintenance inspection is performed.

[0008] In other words, when the igniter cylinder in the ignition device cannot be withdrawn, conventional methods of forcibly inspecting it by striking it with readily available tools on-site, such as a hammer, vise, or pliers, have the problem of further damaging the ignition device.

[0009] At this time, there is also a problem in that using a method of impacting the igniter cylinder from an unspecified direction to withdraw the igniter cylinder makes it more difficult to withdraw the igniter cylinder.

[0010] In addition, there are problems such as the ignition cylinder of the ignition device being located in a confined space, which makes disassembly, maintenance, and inspection work inconvenient and difficult, and increases the risk of safety accidents. Prior art literature

[0011] [Patent Document 0001] Registered Utility Model No. 20-0223730 "Disassembly and Assembly Tool for Gas Turbine Igniter" (Published May 15, 2001) The problem to be solved

[0012] The present invention was developed to solve the aforementioned problems, and its purpose is to enable the ignition cylinder of a gas turbine igniter to be withdrawn more easily without damaging the gas turbine equipment.

[0013] Another objective of the present invention is to enable use in gas turbine igniters of different specifications and igniters applied to other facilities by changing the size of the cap seating groove in which the igniter cylinder cap is seated in the gas turbine igniter.

[0014] Another objective of the present invention is to prevent damage to the igniter and safety accidents that may occur while separating the igniter cylinder cap from the ignition device using a wrench or the like instead of a dedicated tool. means of solving the problem

[0015] The present invention for achieving the above-mentioned technical problem comprises: a cap coupling circumferential portion formed as a separable coupling structure having a cap seating groove inside so as to be coupled to an igniter cylinder cap; a guide bar having a slide rod of a certain length formed on the other side to strike a rod stop projection formed on one side and assembled and installed on the cap coupling circumferential portion, and assembled and installed to move along the slide rod of the guide bar.

[0016] The above-mentioned cap coupling cylindrical portion is characterized by comprising a plurality of semi-cylindrical bodies formed in a semi-cylindrical shape so as to be coupled to and separated from the igniter cylinder cap, a cap seating groove formed inside one side of the semi-cylindrical body to tightly wrap the igniter cylinder cap, and a coupling jaw hole formed by drilling through the other side of a hollow portion connected to one side of the cap seating groove formed in the semi-cylindrical body to allow the bobbin projection of the guide bar to be coupled.

[0017] The above semi-cylindrical body is characterized by having a plurality of fastening holes formed on each side of the hollow portion and the coupling jaw hole so that they can be fastened with a hexagonal wrench bolt on the outer surface of the cap coupling cylindrical portion.

[0018] The guide bar is characterized by comprising: a bobbin projection formed in a bobbin shape on one side so as not to move and to be fitted into a coupling jaw hole of a cap coupling circumference portion; a load stop projection formed in a circumference of a certain size and coupled to the other end of the bobbin projection so as to be moved and struck by a striking body; and a slide rod formed with a certain length so as to strike the load stop projection with a striking body, wherein the bobbin projection and the load stop projection are formed at both ends.

[0019] The above striking body is characterized by comprising a hollow body having a coupling hollow formed in the center so as to be moved along the slide rod of the guide bar (30), and handle protection striking protrusions formed by protruding the circumference on both outer surfaces of the hollow body with different thicknesses to improve striking against the rod stop protrusion and protect the finger. Effects of the invention

[0020] According to the cylinder extraction tool of the gas turbine igniter of the present invention, the igniter cylinder of the gas turbine igniter can be extracted more easily without damaging the gas turbine equipment.

[0021] In addition, by changing the size of the cap mounting groove where the igniter cylinder cap is seated in the gas turbine igniter, it has the effect of enabling use with gas turbine igniters of different specifications and igniters applied to other equipment.

[0022] In addition, it has the effect of preventing damage to the igniter and safety accidents that may occur while separating the igniter cylinder cap from the ignition device using a wrench or similar tool instead of a dedicated tool. Brief explanation of the drawing

[0023] FIGS. 1a), 1b), and 1c) are drawings showing images of the inlet and outlet states of an igniter and a cross-section according to conventional gas turbine operation. FIG. 2 is an image showing a partial disassembly of a cylinder extraction tool of a gas turbine igniter according to the present invention. Figure 3 is an image showing an example of a cylinder cap being attached to a cylinder extraction tool of a gas turbine igniter shown in Figure 2. FIG. 4 is an image showing an example of removing a cylinder cap using the cylinder removal tool of the gas turbine igniter shown in FIG. 3. Specific details for implementing the invention

[0024] To fully understand the present invention, preferred embodiments of the invention will be described with reference to the accompanying drawings. Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be interpreted as being limited to the embodiments described in detail below. These embodiments are provided to more completely explain the present invention to those with average knowledge in the art. Accordingly, the shapes of elements in the drawings may be exaggerated to emphasize clearer explanations. It should be noted that in each drawing, identical components may be depicted with the same reference numerals. Furthermore, detailed descriptions of known functions and configurations that are deemed to unnecessarily obscure the essence of the present invention are omitted.

[0025] Hereinafter, the cylinder extraction tool of the gas turbine igniter of the present invention will be described in detail by explaining a preferred embodiment of the present invention with reference to the attached drawings.

[0026] The cylinder extraction tool (2) of a gas turbine igniter according to the present invention comprises, as shown in FIGS. 2 to 4, a cap coupling circumferential part (10) formed in a certain shape having a cap seating groove (14) inside so as to be coupled to an igniter cylinder cap (4); a guide bar (30) having a certain length of a slide rod (36) formed on the other side so as to strike a rod stop projection (34) and formed on one side so as to be assembled and installed on the cap coupling circumferential part (10); and a striking body (50) assembled and installed so as to be moved along the slide rod (36) of the guide bar (30).

[0027] Additionally, the cap coupling cylindrical portion (10) comprises, as illustrated in FIGS. 2 to 4, a plurality of semi-cylindrical bodies (12) formed in a semi-cylindrical shape so as to be coupled to and separated from the igniter cylinder cap (4), a cap seating groove (14) formed inside one side of the semi-cylindrical body (12) to tightly wrap the igniter cylinder cap (4), and a coupling jaw hole (18) formed by drilling a hole on the other side of a hollow portion (16) connected to one side of the cap seating groove (14) formed in the semi-cylindrical body (12) so as to be coupled to the bobbin projection (32) of the guide bar (30).

[0028] In addition, as shown in FIGS. 2 to 4, the above-mentioned semi-cylindrical body (12) is formed with a plurality of fastening holes (22) drilled on each side of the hollow portion (16) and the coupling jaw hole (18) so that they can be fastened with a hexagonal wrench bolt (20) on the outer surface of the cap coupling cylindrical portion (10).

[0029] Additionally, as shown in FIGS. 2 to 4, the guide bar (30) comprises a bobbin projection (32) formed protruding in a bobbin shape on one side so as not to move and fitting into the coupling jaw hole (18) of the cap coupling cylindrical part (10), a load stop projection (34) formed in a cylindrical shape of a certain size and coupled to the other end of the bobbin projection (32) so as to move and strike the striking body (50), and a slide rod (36) formed with a certain length so as to strike the load stop projection (34) with the bobbin projection (32) and the load stop projection (34) at both ends.

[0030] Additionally, as shown in FIGS. 2 to 4, the striking body (50) comprises a hollow body (52) having a coupling hollow (54) formed in the center so as to be moved along the slide rod (36) of the guide bar (30), and a handle protection striking protrusion (56) formed by protruding the circumference on both outer surfaces of the hollow body (52) with different thicknesses to enhance striking against the rod stop protrusion (34) and protect the finger.

[0031] Hereinafter, an example of the use of the present invention, as described above, will be explained in detail through the drawings.

[0032] First, the ignition step is performed after fuel injection in the igniter (4) of the gas turbine. At this time, if the gas ignition is successful by sparking the spark plug (6) of the igniter (4) shown in FIG. 1c), the igniter cylinder (8) is pulled out to the outside due to the increase in internal pressure as shown in the image in FIG. 1a).

[0033] However, although the ignition step is performed after fuel injection in the igniter (4) of the gas turbine, the ignition cylinder (8) is not withdrawn from the gas turbine igniter (4) as shown in FIG. 1b) because the spark plug (6) of the igniter (4) shown in FIG. 1c) does not produce an ignition spark. At this time, it is determined that the ignition of the gas turbine has failed by observing whether the igniter cylinder (8) is withdrawn.

[0034] As described above, when the ignition step is performed in the gas turbine igniter (4) and the gas turbine ignition fails, the operator performs an emergency inspection to analyze the cause of the failure of the igniter cylinder (8) to be withdrawn.

[0035] In order to separate the gas turbine igniter (4) from the gas turbine, the operator first disconnects and removes the cable (7) connected to the igniter cylinder (8).

[0036] After separating the cable (7) from the igniter cylinder (8), the operator separates the cap coupling circumference (10) from the cylinder extraction tool (2) of the prepared gas turbine igniter (4) as shown in the image in FIG. 2.

[0037] After separating the cap coupling cylindrical portion (10) and laying it flat, the igniter cylinder cap (9) is inserted into the cap seating groove (14) formed on one side of a semi-cylindrical body (12). Then, the bobbin projection (32) formed on one side of the guide bar (30) is immovably coupled to the coupling jaw hole (18) formed on the other side of the cap seating groove (14) of the semi-cylindrical body (12).

[0038] When the igniter cylinder cap (9) and guide bar (30) are accurately connected to the separated half-circular body (12) of the above-mentioned cap coupling cylindrical part (10), the remaining half-circular body (12) is used to cover it, and then it is fastened through the fastening holes (22) with hexagonal wrench bolts (20).

[0039] Afterwards, when the cap-joined circumferential part (10) is completed, the hollow body (52) of the striking body (50) that has been pre-assembled on the guide bar (30) is held, and the handle protection striking projection (56) is repeatedly struck against the load stop projection (34) installed on the other side of the guide bar (30).

[0040] The striking body (50) is moved along the guide bar (30) to repeatedly strike the load stop projection (34) gently. It is also possible to change the striking intensity depending on the striking situation of the striking body (50).

[0041] And in order to extract the igniter cylinder (8) from the gas turbine igniter (4), the striking body (50) is struck several times to impact the igniter cylinder cap (9), thereby enabling the igniter cylinder (8) to be extracted without damaging the gas turbine igniter (4).

[0042] The ability to withdraw the ignition cylinder (8) without damaging the gas turbine igniter (4) has the advantage of allowing work to be performed without causing accidents or damage to the gas turbine igniter (4) by using the cylinder withdrawal tool (2) of the gas turbine igniter (4). That is, by allowing the ignition cylinder (8) to be separated in the event of ignition failure caused by sticking and foreign matter resulting from long-term operation of the gas turbine igniter (4), the disassembly, maintenance, and inspection of the gas turbine igniter (4) can be conveniently performed.

[0043] Meanwhile, once the maintenance inspection of the gas turbine igniter (4) is completed, it can be assembled and installed in the reverse order of disassembly, and normal operation is achieved when the igniter cylinder (8) is pulled out as in Fig. 1a).

[0044] And, by using the cylinder extraction tool (2) of the gas turbine igniter, it is possible to easily separate the igniter cylinder (8) of the gas turbine igniter (4) located in a confined space, thereby allowing the disassembly, maintenance, and inspection work of the gas turbine igniter (4) to be completed comfortably and safely.

[0045] The embodiments of the cylinder extraction tool of a gas turbine igniter according to the present invention described above are merely illustrative, and those skilled in the art will readily understand that various modifications and equivalent alternative embodiments are possible therefrom. Therefore, it will be readily understood that the present invention is not limited only to the forms mentioned in the above detailed description. Accordingly, the true technical scope of protection of the present invention should be determined by the technical spirit of the appended claims. Furthermore, the present invention should be understood to include all modifications, equivalents, and substitutions within the spirit and scope of the present invention as defined by the appended claims. Explanation of the symbols

[0046] 2: Gas turbine igniter cylinder extraction tool 4: Gas turbine igniter 6: Spark plug 7: Cable 8: Ignition cylinder 9: Ignition cylinder cap 10: Cap connection cylindrical section 12: Semi-cylindrical body 14: Cap mounting groove 16: Hollow part 18: Connecting jaw hole 20: Hex wrench bolt 22: Fastening hole 30: Guide bar 32: Bobbin spin 34: Load stop spin 36: Slide Load 50: Striking Body 52: Hollow body 54: Combined hollow 56: Handle protection striking protrusion

Claims

Claim 1 A cap coupling circumferential portion (10) having a cap seating groove (14) formed inside so that it can be coupled to or separated from the ignition cylinder cap (9) to form a certain type of separable coupling structure; A cylinder extraction tool for a gas turbine igniter comprising: a bobbin projection (32) formed on one side to be immovably fitted into a coupling jaw hole (18) of a cap coupling circumferential portion (10); a load stop projection (34) installed in a circumferential shape of a certain size at the other end of the bobbin projection (32); a guide bar (30) having a slide rod (36) formed to a certain length so as to strike the load stop projection (34) with a striking body (50); a hollow body (52) having a coupling hollow (54) formed in the center so as to be moved along the slide rod (36) of the guide bar (30); and a striking body (50) having a handle protection striking projection (56) formed on both outer circumferential surfaces of the hollow body (52) with a protruding circumference to enhance striking of the load stop projection (34) and protect fingers, wherein the guide bar (30) has a slide with a stop projection (34) formed on one side On the other side of the rod (36), a bobbin projection (32) protruding in the shape of a bobbin is further formed so that the cap cylindrical part (10) in a detachable and connectable form can be separated and the installation can be securely fixed. The cap connecting cylindrical part (10) has a semi-cylindrical body (12) formed with a plurality of fastening holes (22) drilled on each side of the hollow part (16) and the connecting jaw hole (18) so that it can be fastened with a hexagonal wrench bolt (20) on the outer surface of the cap connecting cylindrical part (10); a cap seating groove (14) formed inside one side of the semi-cylindrical body (12) so as to tightly wrap the igniter cylinder cap (9); and on one side of the hollow part (16) formed in the center inside the semi-cylindrical body (12), the cap seating groove (14) is connected and formed, and on the other side, a connecting jaw hole (18) is formed so that the bobbin projection (32) formed at one end of the guide bar (30) can be securely connected. A cylinder extraction tool for a gas turbine igniter featuring Claim 2 delete Claim 3 delete Claim 4 delete Claim 5 delete

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