Fixture for cutting ignition pipeline of gas turbine

Abstract

The utility model discloses a clamp for cutting a gas turbine ignition pipeline, which belongs to the field of gas turbine ignition pipeline cutting and comprises a horizontal datum plate, an adjusting mechanism is mounted on the upper surface of the horizontal datum plate, and a clamping mechanism is arranged in the horizontal datum plate. The clamping mechanism comprises an inserting groove formed in one side of the upper surface of the horizontal datum plate, and a molded line positioning datum is formed in the inner bottom wall of the inserting groove; through cooperative use of the devices, the gas turbine ignition tube is inserted into the molded line positioning reference, reference positioning is conducted through the outer contour size of the ignition tube, the size and position of the circle center and the lowest point of the ignition tube are determined, the height of a product is calibrated according to a horizontal reference face, and the cutting height is automatically determined after linear cutting and tool setting. And the length cutting size is fed back through the distance from the centering position to the end face, automatic alignment cutting is conducted, and the requirement of one clamp for multifunctional wire cutting is met.

Description

Technical Field

[0001] This utility model relates to the field of gas turbine ignition line cutting technology, specifically a clamp for cutting gas turbine ignition lines. Background Technology

[0002] The flame tube is one of the core components of a gas turbine and an important part of the flame tube. Each gas turbine combustion chamber contains two flame tubes, which are connected to two ignition devices. They mainly serve as the ignition device channels for the engine. When the engine starts, the mixed gas in the flame tube, which is ignited by the ignition resistor, is propagated to the other flame tubes through the flame tube and plays a role in equalizing the pressure.

[0003] The flame tube is a relatively complex thin-walled welded component in the flame tube assembly. It is composed of two flame tubes (half), two rings, and a plate, which are welded together. It employs many advanced processing technologies, such as sheet metal forming, argon arc welding, wire cutting, resistance spot welding, and sandblasting, all of which contribute to the processing of the flame tube.

[0004] The structure of the flame tube is quite complex, with clear requirements for both axial and lateral dimensions on the drawings. Furthermore, since its structural design requires ensuring symmetry after welding, process analysis shows that the most effective method is to use wire EDM to meet the drawing requirements. A suitable dedicated wire EDM fixture is the key to solving this problem.

[0005] Therefore, this utility model provides a clamp for cutting the ignition pipe of a gas turbine to solve the above problems. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] This invention provides a clamp for cutting the ignition pipe of a gas turbine, aiming to solve the problems mentioned in the background art.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: a clamp for cutting the ignition pipe of a gas turbine, comprising a horizontal reference plate, wherein an adjustment mechanism is installed on the upper surface of the horizontal reference plate.

[0010] The horizontal reference plate is equipped with a clamping mechanism inside;

[0011] The clamping mechanism includes an insertion slot on one side of the upper surface of a horizontal reference plate. A profile positioning reference is provided on the inner bottom wall of the insertion slot. A movable plate is slidably connected inside the profile positioning reference. Rotating plates are attached to both sides of the lower surface of the movable plate. Push rods are attached to the surfaces of the rotating plates. An arc-shaped clamping plate is fixedly connected to one end of the push rod. The arc-shaped clamping plate corresponds to the insertion slot. A hollow ring is sleeved on the surfaces of the two arc-shaped clamping plates. The hollow ring is fixedly connected inside the insertion slot and corresponds to the movable plate.

[0012] As a preferred technical solution of this application, the clamping mechanism further includes a spring assembly fixedly connected to the lower surface of the moving plate in an arc array. The spring assembly is fixedly connected to the inner wall of the insertion groove. The push rod is slidably connected to the hollow ring. The surface of the arc clamping plate is fixedly connected with clamping springs in an annular array.

[0013] As a preferred technical solution of this application, the clamping spring is fixedly connected to the inside of the hollow ring, the insertion groove corresponds to the hollow ring, and a return spring is fixedly connected to the lower surface of both rotating plates, the return spring being fixedly connected to the inside of the insertion groove.

[0014] As a preferred technical solution of this application, the surface of the horizontal reference plate is provided with a length reference surface, the rotating plate is rotatably connected to the inside of the insertion slot through a rotating shaft, and the arc-shaped clamping plate is slidably connected to the inside of the hollow ring.

[0015] As a preferred technical solution of this application, the adjustment mechanism includes a threaded rod threadedly connected to the surface of a horizontal reference plate. The surface of the threaded rod is threadedly connected to two corresponding nuts. The opposite sides of the two nuts are fitted with a pressure plate. The pressure plate is slidably connected to the threaded rod and corresponds to the insertion groove.

[0016] As a preferred technical solution of this application, the adjustment mechanism further includes an adjustment plate that is attached to the upper surface of the horizontal reference plate, and an adjustment screw is threadedly connected to the surface of the adjustment plate, and the adjustment screw is threadedly connected to the horizontal reference plate.

[0017] As a preferred technical solution of this application, a limiting rod is fixedly connected to the upper surface of the horizontal reference plate, the limiting rod is slidably connected to the adjusting plate, and the surface of the adjusting plate is provided with a horizontal reference surface.

[0018] (III) Beneficial Effects

[0019] By setting up a clamping mechanism and other structures, the gas turbine ignition tube is inserted into the inside of the profile positioning reference. The outer contour dimensions of the ignition tube are used for reference positioning to determine the center and lowest point of the ignition tube. Based on the height of the product against the horizontal reference surface, the cutting height is automatically determined after wire cutting, making the cutting of the gas turbine ignition tube more precise. The distance from the centering position to the end face is used to feed back the length cutting dimension for automatic alignment and cutting, thus achieving the requirement of a multi-functional wire cutting fixture.

[0020] By incorporating clamping and adjusting mechanisms, when the gas turbine ignition tube is inserted into the profile positioning reference, the moving plate is pushed to move, and the rotating plate is squeezed to rotate. This causes the push rod to bring the arc-shaped clamping plates closer together, clamping the gas turbine ignition tube. This makes the gas turbine ignition tube more stable during cutting. Furthermore, by rotating the threaded rod through the adjusting mechanism, the pressure plate moves, and the position of the horizontal reference plane is adjusted. This allows the pressure plate to clamp gas turbine ignition tubes of different lengths, making the cutting of the gas turbine ignition tube more stable and enabling cutting of different lengths. This facilitates the use of clamps for cutting gas turbine ignition tubes. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a clamp used for cutting the ignition pipe of a gas turbine.

[0022] Figure 2 This is a schematic diagram of the clamping mechanism in a clamp used for cutting the ignition pipe of a gas turbine.

[0023] Figure 3 This is a schematic diagram of the horizontal reference plate and hollow ring in a clamp used for cutting the ignition pipe of a gas turbine.

[0024] Figure 4 This is a schematic diagram of the adjusting mechanism in a clamp used for cutting the ignition pipe of a gas turbine.

[0025] In the picture:

[0026] 1. Horizontal reference plate; 2. Insertion slot; 3. Profile positioning reference; 4. Moving plate; 5. Rotating plate; 6. Push rod; 7. Arc-shaped clamping plate; 8. Hollow ring; 9. Spring assembly; 10. Clamping spring; 11. Return spring; 12. Threaded rod; 13. Nut; 14. Pressure plate; 15. Adjusting plate; 16. Adjusting screw; 17. Limiting rod. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] This utility model provides a clamp for cutting the ignition pipe of a gas turbine, such as... Figures 1-4 As shown, the clamp for cutting the ignition pipe of a gas turbine includes a horizontal reference plate 1. The surface of the horizontal reference plate 1 is provided with a length reference surface. The inside of the horizontal reference plate 1 is provided with a clamping mechanism. The clamping mechanism includes an insertion groove 2 opened on one side of the upper surface of the horizontal reference plate 1. A profile positioning reference 3 is opened on the inner bottom wall of the insertion groove 2. A movable plate 4 is slidably connected inside the profile positioning reference 3. Rotating plates 5 are attached to both sides of the lower surface of the movable plate 4. The rotating plates 5 are rotatably connected to the inside of the insertion groove 2 through a rotating shaft.

[0029] A return spring 11 is fixedly connected to the lower surface of each of the two rotating plates 5. The return spring 11 is fixedly connected to the inside of the insertion slot 2. A push rod 6 is attached to the surface of each rotating plate 5. An arc-shaped clamping plate 7 is fixedly connected to one end of the push rod 6. The arc-shaped clamping plate 7 corresponds to the insertion slot 2. The gas turbine flame tube is inserted into the inside of the profile positioning reference 3, and the moving plate 4 is pushed to move. This causes the moving plate 4 to push the two rotating plates 5 to rotate inside the insertion slot 2, which in turn drives the push rod 6 to move. This causes the two arc-shaped clamping plates 7 to move closer to each other and clamp the gas turbine flame tube.

[0030] Two arc-shaped clamping plates 7 are fitted with hollow rings 8 on their surfaces. The arc-shaped clamping plates 7 are slidably connected to the inside of the hollow rings 8. The insertion slots 2 correspond to the hollow rings 8, and the hollow rings 8 are fixedly connected to the inside of the insertion slots 2. The hollow rings 8 correspond to the moving plate 4. The clamping mechanism also includes spring assemblies 9 that are fixedly connected to the lower surface of the moving plate 4 in an arc array. The spring assemblies 9 are fixedly connected to the inner wall of the insertion slots 2. The push rod 6 is slidably connected to the hollow rings 8. The surface of the arc-shaped clamping plates 7 is fixedly connected with clamping springs 10 in a ring array. Through the arrangement of the spring assemblies 9, clamping springs 10 and return springs 11, the moving plate 4, the arc-shaped clamping plates 7 and the rotating plate 5 can be automatically reset, making the clamping mechanism more convenient to use. The clamping springs 10 are fixedly connected to the inside of the hollow rings 8.

[0031] An adjustment mechanism is installed on the upper surface of the horizontal reference plate 1. The adjustment mechanism includes a threaded rod 12 threaded to the surface of the horizontal reference plate 1. Two corresponding nuts 13 are threaded to the surface of the threaded rod 12. A clamping plate 14 is attached to the opposite sides of the two nuts 13. The clamping plate 14 is slidably connected to the threaded rod 12 and corresponds to the insertion slot 2. According to the cutting length of the gas turbine ignition tube, the two nuts 13 are rotated, causing the nuts 13 to move the clamping plate 14 on the surface of the threaded rod 12, thereby adjusting the distance between the clamping plate 14 and the insertion slot 2. 14 can press the gas turbine ignition tubes at different heights; the adjustment mechanism also includes an adjustment plate 15 that fits against the upper surface of the horizontal reference plate 1. The surface of the adjustment plate 15 is threaded with an adjustment screw 16, which is threaded to the horizontal reference plate 1. A limit rod 17 is fixedly connected to the upper surface of the horizontal reference plate 1. The limit rod 17 is slidably connected to the adjustment plate 15. The surface of the adjustment plate 15 is provided with a horizontal reference surface. By setting the adjustment screw 16, the adjustment plate 15 can move on the surface of the horizontal reference plate 1, thereby adjusting the position of the horizontal reference surface.

[0032] Specifically, when using the clamp for cutting gas turbine ignition pipes: the gas turbine ignition pipe is inserted into the profile positioning reference 3, and the moving plate 4 is pushed to move, thereby causing the moving plate 4 to push the two rotating plates 5 to rotate inside the insertion slot 2, which in turn drives the push rod 6 to move, so that the two arc-shaped clamping plates 7 move closer to each other and clamp the gas turbine ignition pipe, thereby making the gas turbine ignition pipe more stable during cutting. Furthermore, through the setting of the spring assembly 9, the clamping spring 10 and the return spring 11, the moving plate 4, the arc-shaped clamping plate 7 and the rotating plate 5 can automatically return to their original positions, thereby making the clamping mechanism more convenient to use.

[0033] After inserting the gas turbine ignition tube into the profile positioning reference 3, rotate the two nuts 13 according to the cutting length of the gas turbine ignition tube. This causes the nuts 13 to move the clamping plate 14 on the surface of the threaded rod 12, thereby adjusting the distance between the clamping plate 14 and the insertion slot 2. This allows the clamping plate 14 to clamp gas turbine ignition tubes of different heights. Furthermore, by adjusting the setting of the screw 16, the adjusting plate 15 can move on the surface of the horizontal reference plate 1, thereby adjusting the position of the horizontal reference plane. This allows the horizontal reference plane to be calibrated at different heights of the gas turbine ignition tube, making the fixture for cutting gas turbine ignition tubes more convenient to use, based on the different length requirements.

[0034] Furthermore, by inserting the gas turbine ignition tube into the inside of the profile positioning reference 3, the reference positioning is performed by using the outer contour dimensions of the ignition tube to determine the center and lowest point dimensions of the ignition tube. Based on the product height of the horizontal reference surface, the cutting height dimension is automatically determined after wire cutting tool setting, thus making the cutting of the gas turbine ignition tube more precise. The length cutting dimension is fed back by the distance from the centering position to the end face, and automatic alignment cutting is performed, thereby meeting the requirements of a multi-functional wire cutting fixture.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A clamp for cutting the ignition pipe of a gas turbine, comprising a horizontal reference plate (1), characterized in that: An adjustment mechanism is installed on the upper surface of the horizontal reference plate (1), and a clamping mechanism is provided inside the horizontal reference plate (1); The clamping mechanism includes an insertion slot (2) on one side of the upper surface of the horizontal reference plate (1). A profile positioning reference (3) is provided on the inner bottom wall of the insertion slot (2). A movable plate (4) is slidably connected inside the profile positioning reference (3). Rotating plates (5) are attached to both sides of the lower surface of the movable plate (4). Push rods (6) are attached to the surface of the rotating plates (5). An arc-shaped clamping plate (7) is fixedly connected to one end of the push rod (6). The arc-shaped clamping plate (7) corresponds to the insertion slot (2). A hollow ring (8) is sleeved on the surface of the two arc-shaped clamping plates (7). The hollow ring (8) is fixedly connected inside the insertion slot (2). The hollow ring (8) corresponds to the movable plate (4).

2. A clamp for cutting a gas turbine ignition pipe according to claim 1, characterized in that: The clamping mechanism also includes a spring assembly (9) fixedly connected in an arc array to the lower surface of the movable plate (4). The spring assembly (9) is fixedly connected to the inner wall of the insertion groove (2). The push rod (6) is slidably connected to the hollow ring (8). The surface of the arc clamping plate (7) is fixedly connected with clamping springs (10) in an annular array.

3. A clamp for cutting a gas turbine ignition pipe according to claim 2, characterized in that: The clamping spring (10) is fixedly connected to the inside of the hollow ring (8), the insertion groove (2) corresponds to the hollow ring (8), and the lower surfaces of the two rotating plates (5) are fixedly connected with a return spring (11), which is fixedly connected to the inside of the insertion groove (2).

4. A clamp for cutting a gas turbine ignition pipe according to claim 1, characterized in that: The surface of the horizontal reference plate (1) is provided with a length reference surface, the rotating plate (5) is rotatably connected to the inside of the insertion slot (2) through a rotating shaft, and the arc-shaped clamping plate (7) is slidably connected to the inside of the hollow ring (8).

5. A clamp for cutting a gas turbine ignition pipe according to claim 1, characterized in that: The adjustment mechanism includes a threaded rod (12) threaded to the surface of a horizontal reference plate (1). The surface of the threaded rod (12) is threaded with two corresponding nuts (13). The opposite sides of the two nuts (13) are fitted with a pressure plate (14). The pressure plate (14) is slidably connected to the threaded rod (12). The pressure plate (14) corresponds to the insertion slot (2).

6. A clamp for cutting a gas turbine ignition pipe according to claim 5, characterized in that: The adjustment mechanism also includes an adjustment plate (15) that is attached to the upper surface of the horizontal reference plate (1). An adjustment screw (16) is threadedly connected to the surface of the adjustment plate (15). The adjustment screw (16) is threadedly connected to the horizontal reference plate (1).

7. A clamp for cutting a gas turbine ignition pipe according to claim 6, characterized in that: A limiting rod (17) is fixedly connected to the upper surface of the horizontal reference plate (1), and the limiting rod (17) is slidably connected to the adjusting plate (15). The surface of the adjusting plate (15) is provided with a horizontal reference surface.

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