Gas turbine housing tempering and shaping tool

Abstract

The utility model discloses a gas turbine housing tempering and shaping tool, relates to the technical field of machining, and solves the problem of tempering and shaping of a gas turbine housing, the gas turbine housing is sleeved on a positioning cylinder, the bottom end of the gas turbine housing is propped against the upper surface of a bottom plate, a plurality of sliding grooves are formed in the periphery of a positioning plate, and the sliding grooves are matched with the positioning cylinder. A wedge block is inserted into each sliding groove from top to bottom, and the wedge blocks are used for pushing the supporting blocks in the sliding grooves to slide towards the periphery of the positioning plate until the limiting grooves of the supporting blocks abut against the inner edge of the top end of the gas turbine housing. The hexagon-headed bolt penetrates through an inner hole of the supporting frame and is screwed into a screw hole in the end face of the wedge block, the hexagon-headed bolt is rotated, the wedge block is lifted, the supporting block moves backwards, the positioning plate is detached, then the gas turbine housing is detached from the positioning seat, and tempering and shaping work of the gas turbine housing is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of machining, especially relates to a gas turbine cover shell tempering and shaping tool. BACKGROUND

[0002] The gas turbine is a kind of equipment that converts fuel energy into mechanical energy, with high conversion efficiency and light weight. The gas turbine cover shell is a kind of thin-walled part, with high working environment temperature and high-temperature alloy material. Its structure is special, with nine expansion grooves in the radial direction of the outer ring. After processing, it needs high-temperature tempering and positioning treatment. Because the outer ring is not a whole part, the positioning inner hole is easy to deform, and the precision is difficult to control. CONTENT OF THE UTILITY MODEL

[0003] In view of the above-mentioned problems of the gas turbine cover shell tempering and shaping, the utility model aims at providing a kind of gas turbine cover shell tempering and shaping tool. The gas turbine is a kind of equipment that converts fuel energy into mechanical energy, with high conversion efficiency and light weight. The gas turbine cover shell is a kind of thin-walled part, with high working environment temperature and high-temperature alloy material. Its structure is special, with nine expansion grooves in the radial direction of the outer ring. After processing, it needs high-temperature tempering and positioning treatment. Because the outer ring is not a whole part, the positioning inner hole is easy to deform, and the precision is difficult to control. In order to control the deformation of the gas turbine cover shell, the tempering and shaping tool is needed.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0005] A kind of gas turbine cover shell tempering and shaping tool, comprising: positioning seat 1, support block 2 and positioning plate 4, positioning seat 1 includes: bottom plate and positioning cylinder, the lower end of positioning cylinder is connected with the upper surface of bottom plate, and the upper end of positioning cylinder is provided with the step structure with reduced inner diameter;Positioning plate 4 is sleeved on the upper end of positioning cylinder and is clamped on the step structure;A plurality of sliding grooves are formed in the outer periphery of positioning plate 4, each support block 2 is slidably installed in a sliding groove, and a limiting groove is formed in the outer side end surface of support block 2.

[0006] The gas turbine cover shell is sleeved on the positioning cylinder, and the bottom end of the gas turbine cover shell abuts against the upper surface of the bottom plate.

[0007] Further comprising: wedge block 3, one wedge block 3 is inserted into each sliding groove from top to bottom, and the wedge block 3 is used to push the support block 2 in the sliding groove to slide towards the outer periphery of the positioning plate 4 until the limiting groove of the support block 2 abuts against the inner edge of the top end of the gas turbine cover shell.

[0008] The above-mentioned gas turbine cover shell tempering and shaping tool further comprises: support frame 5 and hexagonal head bolt 6, a plurality of support frames 5 with notched bottom side are placed on the positioning plate 4, each support frame 5 is located above one wedge block 3, and each hexagonal head bolt 6 penetrates the top side side plate of one support frame 5 and is screwed into one wedge block 3.

[0009] In the aforementioned gas turbine casing tempering and shaping tool, the end face of each support block 2 facing the bottom of the sliding groove is inclined, and its inclination angle matches that of the wedge block 3.

[0010] In the aforementioned gas turbine casing tempering and shaping tool, the inclination angle of the end face of each support block 2 toward the bottom of the sliding groove ranges from 2° to 12°.

[0011] In the aforementioned gas turbine casing tempering and shaping tool, the outer end face of the support block 2 is an arc-shaped surface.

[0012] The aforementioned gas turbine casing tempering and shaping tool includes multiple rectangular sliding grooves on the positioning plate 4.

[0013] The aforementioned gas turbine casing tempering and shaping tool has multiple sliding grooves on the positioning plate 4 arranged at equal intervals around its circumference.

[0014] Because this utility model employs the aforementioned technology, it has the following positive effects compared to existing technologies:

[0015] (1) In this utility model, the gas turbine cover is placed on the positioning seat, so that the inner hole of the gas turbine cover is fitted on the positioning seat, and then the support block is installed on the positioning plate, so that the support block slide groove is fitted on the positioning plate, and the support block can move radially within the positioning plate without jamming.

[0016] (2) In this utility model, the positioning plate is mounted on the positioning seat, and the inner hole of the positioning plate is fitted with the positioning cylinder at the upper end of the positioning seat to ensure that the center of the positioning plate is consistent with the center of the inner hole of the gas turbine casing.

[0017] (3) In this utility model, the wedge is installed between the support block and the rectangular groove of the positioning plate, and the wedge is tightened so that the outer circle of the support block is close to the inner hole of the gas turbine casing, thereby playing a shaping role.

[0018] (4) In this utility model, the tempering temperature of the gas turbine casing is over 600 degrees Celsius, so all parts of the shaping tool are made of stainless steel. After the gas turbine casing is tempered, in order to prevent the gas turbine casing from deforming due to the removal of the wedge, this tool is specially equipped with a wedge removal tool. Place a support frame on the positioning plate, screw the hexagonal head bolt through the inner hole of the support frame into the screw hole on the end face of the wedge, rotate the hexagonal head bolt, lift the wedge, move the support block back, remove the positioning plate, and remove the gas turbine casing from the positioning seat to complete the tempering and shaping of the gas turbine casing. Attached Figure Description

[0019] Figure 1 This is a structural schematic diagram of a gas turbine casing tempering and shaping tool according to this utility model.

[0020] Figure 2This is a front view of the support block of a tempering and shaping tool for a gas turbine casing according to this utility model.

[0021] Figure 3 This is a left view of the support block of a tempering and shaping tool for a gas turbine casing according to this utility model.

[0022] Figure 4 This is a top view of the support block of a tempering and shaping tool for a gas turbine casing according to this utility model.

[0023] Figure 5 This is a schematic diagram of the positioning plate of a gas turbine casing tempering and shaping tool according to this utility model.

[0024] Figure 6 yes Figure 5 The diagram shows a cross-sectional view of the positioning plate.

[0025] In the attached diagram: 1. Positioning seat; 2. Support block; 3. Wedge block; 4. Positioning plate; 5. Support frame; 6. Hexagonal head bolt. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0027] Please refer to Figures 1 to 6 As shown, a tempering and shaping tool for a gas turbine casing is provided, comprising: a positioning seat 1, a support block 2, a wedge block 3, a positioning plate 4, a support frame 5, and a hexagonal head bolt 6;

[0028] Instructions for use: Place the gas turbine casing on the positioning seat 1, ensuring the inner hole of the gas turbine casing fits into the positioning seat 1. Then, install the support block 2 onto the positioning plate 4, allowing the support block 2 to slide within the positioning plate 4 without jamming. Next, install the positioning plate 4 onto the positioning seat 1, ensuring the inner hole of the positioning plate 4 mates with the upper positioning cylinder of the positioning seat 1, thus aligning the center of the positioning plate 1 with the center of the inner hole of the gas turbine casing. Place the wedge block 3 between the support block 2 and the rectangular groove of the positioning plate 4, and tighten the wedge block to ensure the outer circle of the support block 2 is flush with the inner hole of the gas turbine casing, thereby achieving a shaping effect. Because the tempering temperature of the gas turbine casing is over 600 degrees Celsius, all parts of the shaping tool are made of stainless steel. After the gas turbine casing is tempered, in order to prevent deformation of the gas turbine casing due to the removal of wedge 3, this tool set is specially equipped with a wedge 3 removal tool. Place the support frame 5 on the positioning plate 4, and screw the hexagonal head bolt 6 through the inner hole of the support frame 5 into the screw hole on the end face of the wedge 3. Rotate the hexagonal head bolt 6 to lift the wedge 3. After the support block 2 is moved back and the positioning plate 2 is removed, the gas turbine casing is removed from the positioning seat, completing the tempering and shaping work of the gas turbine casing.

[0029] Furthermore, in a preferred embodiment, the gas turbine casing is placed on the positioning seat, so that the inner hole of the gas turbine casing fits into the positioning seat. Then, the support block is installed on the positioning plate, so that the support block slide groove fits into the positioning plate. The support block can move radially within the positioning plate without jamming.

[0030] Furthermore, in a preferred embodiment, the positioning plate is mounted on the positioning seat, and the inner hole of the positioning plate is fitted with the positioning cylinder at the upper end of the positioning seat to ensure that the center of the positioning plate is consistent with the center of the inner hole of the gas turbine casing.

[0031] Furthermore, in a preferred embodiment, a wedge is installed between the support block and the rectangular groove of the positioning plate, and the wedge is tightened so that the outer circle of the support block fits tightly against the inner hole of the gas turbine casing, thereby achieving a shaping effect.

[0032] Furthermore, in a preferred embodiment, the tempering temperature of the gas turbine casing is over 600 degrees Celsius, so all components of the shaping tool are made of stainless steel. After the gas turbine casing is tempered, in order to prevent deformation of the gas turbine casing due to the removal of the wedges, this tool set is specially equipped with a wedge removal tool. A support frame is placed on the positioning plate, and a hexagonal head bolt is screwed through the inner hole of the support frame into the screw hole on the end face of the wedge. The hexagonal head bolt is rotated to lift the wedge. After the support block is moved back and the positioning plate is removed, the gas turbine casing is removed from the positioning seat, thus completing the tempering and shaping work of the gas turbine casing.

[0033] Furthermore, in a preferred embodiment, the clamping sleeve is installed on the spindle bushing of the drilling machine. The upper part of the clamping sleeve has a radial notch. A smooth hole is drilled on one side of the notch, and a screw hole is machined on the other side. The tightening screw is screwed into the screw hole through the smooth hole, so that the notch is radially deformed, and the clamping sleeve is fixed on the spindle bushing of the drilling machine.

[0034] The above are merely preferred embodiments of the present utility model and are not intended to limit the implementation methods and protection scope of the present utility model.

[0035] Based on the above, this utility model also has the following embodiments:

[0036] In a further embodiment of this utility model, by setting a support frame 5 and a hexagonal head bolt 6, the wedge block 3 can be moved up and down by rotating the hexagonal head bolt 6, thus avoiding injury to operators in high temperatures.

[0037] In a further embodiment of this utility model, the multiple sliding grooves on the positioning plate 4 are all rectangular grooves, ensuring that the support block 2 can slide stably along the sliding grooves.

[0038] In a further embodiment of this utility model, such as Figure 2The embodiment shown is the support block 2. The inclination angle of the inner end face of the support block 2 is 6°. In actual application, the inclination angle of the inner end face of the support block 2 can be processed according to actual needs. The wedge block 3 is also processed with an inclination angle that matches the inner end face of the support block 2, so that during the process of pushing the wedge block 3 to move down, the wedge block 3 can simultaneously push the support block 2 to slide along the sliding groove.

[0039] In a further embodiment of this utility model, the outer end face of the support block 2 is an arc-shaped surface, and the depth of the limiting groove opened on the arc-shaped surface does not change, that is, the bottom of the limiting groove is also an arc-shaped surface. When the limiting groove abuts against the inner edge of the top of the gas turbine cover, it makes it fit tightly against the inner edge of the top of the gas turbine cover, ensuring that the gas turbine cover is subjected to the same pressure during the tempering and shaping process, without any additional pressure points.

[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the implementation methods and protection scope of the present utility model. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A tempering and shaping tool for a gas turbine casing, characterized in that, include: The positioning base (1), support block (2), and positioning plate (4) are provided. The positioning base (1) includes a base plate and a positioning cylinder. The lower end of the positioning cylinder is connected to the upper surface of the base plate. The upper end of the positioning cylinder is provided with a stepped structure with a reduced inner diameter. The middle part of the positioning plate (4) is sleeved on the upper end of the positioning cylinder and is engaged with the stepped structure. The outer periphery of the positioning plate (4) is provided with multiple sliding grooves. Each support block (2) is slidably installed in a sliding groove. The outer end face of the support block (2) is provided with a limit groove. The gas turbine casing is fitted onto the positioning cylinder, with the bottom end of the gas turbine casing abutting against the upper surface of the base plate; It also includes: wedges (3), with one wedge (3) inserted from top to bottom in each sliding groove. The wedges (3) are used to push the support block (2) in the sliding groove toward the outer periphery of the positioning plate (4) until the limiting groove of the support block (2) abuts against the inner edge of the top of the gas turbine casing.

2. The gas turbine casing tempering and shaping tool according to claim 1, characterized in that, Also includes: Support frame (5) and hexagonal head bolt (6), multiple support frames (5) with slots on the bottom are placed on the positioning plate (4), each support frame (5) is located above a wedge (3), and each hexagonal head bolt (6) passes through the top side plate of a support frame (5) and is screwed into a wedge (3).

3. The gas turbine casing tempering and shaping tool according to claim 1, characterized in that, Each support block (2) has an inclined end face facing the bottom of the sliding groove, and its inclination angle matches that of the wedge block (3).

4. The gas turbine casing tempering and shaping tool according to claim 3, characterized in that, The inclination angle of the end face of each support block (2) toward the bottom of the sliding groove ranges from 2° to 12°.

5. The gas turbine casing tempering and shaping tool according to claim 1, characterized in that, The outer end face of the support block (2) is an arc-shaped surface.

6. The gas turbine casing tempering and shaping tool according to claim 1, characterized in that, The multiple sliding grooves on the positioning plate (4) are all rectangular grooves.

7. The gas turbine casing tempering and shaping tool according to claim 1, characterized in that, Multiple sliding grooves on the positioning plate (4) are set at equal intervals around the circumference.

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