CN215941972U - Assembling and welding tool for gas turbine exhaust diffuser - Google Patents

Abstract

The utility model provides an assembling and welding tool for a gas turbine exhaust diffuser, which comprises a base device and a walking platform support, wherein the base device comprises an inner cylinder placing ring and an outer cylinder placing ring, the inner cylinder placing ring and the outer cylinder placing ring are connected through a connecting frame, a plurality of positioning partition plates are arranged between the inner cylinder placing ring and the outer cylinder placing ring, a plurality of positioning mechanisms for positioning a flow guide ring are arranged on the positioning partition plates along the inclined surfaces of the positioning partition plates, the outer cylinder placing ring is connected with a mounting seat through a connecting mechanism, and the lower end of the walking platform support is connected with the mounting seat. The size of this frock in can controlling the diffuser product manufacture process improves dress and welds efficiency.

Description

Assembling and welding tool for gas turbine exhaust diffuser

Technical Field

The utility model relates to the field of assembly of gas turbine exhaust diffusers, in particular to an assembly and welding tool for a gas turbine exhaust diffuser.

Background

The gas turbine exhaust diffuser is located at the end of the gas turbine, connected to the exhaust nozzle by bolts, and supported by the exhaust nozzle. The gas which has done work enters the exhaust connecting pipe and then enters the exhaust diffuser. The exhaust diffuser is a thin-wall radial structural member, as shown in fig. 1, the exhaust diffuser generally comprises parts such as an inner cylinder, an outer cylinder, a guide ring, a support tube, a reinforcing rib, an inner front flange and an outer front flange, wherein most parts are formed by separately forming 2-4 separate parts and then welding the separate parts together, errors are easily accumulated when the formed parts are welded together when the formed parts have errors, and the parts are integrally welded together subsequently, if no corresponding welding tool is used for controlling the size of the diffuser in the whole welding process, the product finally hardly meets the requirements of drawings.

Diffusers are generally divided into a monolithic and two-piece type: the integral diffuser is not provided with a half split surface, the inner cylinder body, the outer cylinder body, the flow guide ring, the inner front flange and the outer front flange of the diffuser are circumferential integral components, and the processes of splicing the components, integrally assembling and welding the components and the like can be finished by means of the tool designed by the scheme. The half-half diffuser assembly mode can be divided into a half-half insertion type and an external expansion type, and the one-time welding process of the half-half huff insertion type exhaust diffuser body is consistent with that of the integral diffuser.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide an assembly and welding tool for a gas turbine exhaust diffuser, which controls the size of a diffuser product in the manufacturing process and improves the assembly and welding efficiency.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides an assembly and welding frock for gas turbine exhaust diffuser, include base device and walk a support, base device includes that the inner tube is placed the ring and the ring is placed to the urceolus, the inner tube is placed ring and urceolus and is placed interior preceding flange and outer preceding flange of placing respectively on the ring, the inner tube is placed ring and urceolus and is placed the ring and pass through the link connection, the inner tube is placed ring and urceolus and is placed and be equipped with a plurality of location baffles between the ring, be equipped with a plurality of positioning mechanism that go on fixing a position the water conservancy diversion ring along its inclined plane on the location baffle, the urceolus is placed the ring and is passed through coupling mechanism and mount pad and be connected, it is connected with the mount pad to walk a support lower extreme.

In the preferred scheme, the walking platform support comprises a supporting platform, the supporting platform is connected with a mounting ring through a vertical support, and the mounting ring is connected with a mounting seat through a bolt.

In a preferred scheme, the positioning mechanism is a plurality of positioning clamping grooves.

In a preferred scheme, a plurality of pressing plate mechanisms are arranged on the inner cylinder placing ring and/or the outer cylinder placing ring, each pressing plate mechanism comprises a pressing plate, and the pressing plates are connected with the inner cylinder placing ring or the outer cylinder placing ring through bolts.

In the preferred scheme, a plurality of press mounting plates for press mounting the walking board of the diffuser are arranged on the walking board bracket, one end of each press mounting plate is pressed on the walking board, and the other end of each press mounting plate is connected with the walking board bracket through a bolt.

In the preferred scheme, the walking platform is provided with a pressure ring, and the pressure ring is arranged between the walking platform and the press mounting plate.

In the preferred scheme, a tooling support pipe is arranged between the inner front flange and the outer front flange.

According to the assembling and welding tool for the exhaust diffuser of the gas turbine, in the design of the tool, the assembling error between the assembling size of a single component and the component is reduced, the welding deformation of the whole diffuser is reduced, each size of a product is strictly controlled, the convenience of size positioning and welding is provided, the welding efficiency is improved, the appearance forming of the product is more consistent, and the product has higher quality. The welding efficiency of the product is improved, the production cost of the product is reduced, the forming quality of the whole product is greatly improved, and the tool has obvious economic benefits especially for mass production processes and a plurality of sets of products served by one tool.

Drawings

The utility model is further illustrated with reference to the accompanying drawings and examples:

FIG. 1 is a view showing a main body structure of a diffuser;

FIG. 2 is a schematic view of the tooling and diffuser body assembled;

FIG. 3 is a schematic structural diagram of a base unit;

FIG. 4 is a schematic view of the base unit;

FIG. 5 is a schematic view of the guide ring and the positioning partition plate;

FIG. 6 is a schematic view of the position of the staging support and diffuser;

FIG. 7 is a schematic view of the mounting of the walking board stand;

FIG. 8 is a schematic view of the installation of the press-fit plate;

in the figure: walk a support 1, the ring 2 is placed to the inner tube, the ring 3 is placed to the urceolus, link 4, location baffle 5, positioning mechanism 6, coupling mechanism 7, mount pad 8, clamp plate 9, pressure equipment board 10, clamping ring 11, water conservancy diversion ring 12, walk a 13, interior front flange 14, outer front flange 15, inner tube 16, urceolus 17, strengthening rib 18, stay tube 19, fossil fragments 20, frock stay tube 21, supporting platform 101, vertical support 102, collar 103.

Detailed Description

As shown in figures 2 to 7, the assembly and welding tool for the exhaust diffuser of the gas turbine comprises a base device and a walking platform bracket 1, wherein the base device comprises an inner cylinder placing ring 2 and an outer cylinder placing ring 3, an inner front flange 14 and an outer front flange 15 are respectively placed on the inner cylinder placing ring 2 and the outer cylinder placing ring 3, the inner cylinder placing ring 2 and the outer cylinder placing ring 3 are connected through a connecting frame 4, a plurality of positioning partition plates 5 are arranged between the inner cylinder placing ring 2 and the outer cylinder placing ring 3, in this embodiment, the number of the positioning partition plates 5 is four, a plurality of positioning mechanisms 6 for positioning the deflector ring 12 are arranged on the positioning partition plates 5 along the inclined surfaces thereof, in this embodiment, the positioning mechanism 6 is a plurality of positioning slots, the diversion rings 12 are placed in the positioning slots in a layered manner, the outer cylinder placing ring 3 is connected with the mounting base 8 through the connecting mechanism 7, and the lower end of the walking board support 1 is connected with the mounting base 8.

The walking platform support 1 comprises a supporting platform 101, a mounting hole for assembling the guide ring 12 and the inner cylinder 16 is formed in the center of the supporting platform 101, the supporting platform 101 is connected with a mounting ring 103 through a vertical support 102, and the mounting ring 103 is connected with the mounting base 8 through a bolt.

The supporting platform 101 can be provided with a central supporting ring and an outer connecting ring, and the supporting ring and the connecting ring are connected through a frame body, so that the overall weight of the supporting platform 101 is reduced.

Preferably, a plurality of pressing plate mechanisms are arranged on the inner cylinder placing ring 2 and/or the outer cylinder placing ring 3, each pressing plate mechanism comprises a pressing plate 9, and the pressing plates 9 are connected with the inner cylinder placing ring 2 or the outer cylinder placing ring 3 through bolts.

The inner front flange 14 and the outer front flange 15 are pressed and limited by arranging the pressing plate 9, and the inner front flange 14 or the outer front flange 15 is prevented from moving to influence the size of a product.

Preferably, as shown in fig. 8, a plurality of press-fitting plates 10 for press-fitting the diffusion device walking board 13 are arranged on the walking board support 1, one end of each press-fitting plate 10 is press-fitted on the walking board 13, and the other end of each press-fitting plate 10 is connected with the walking board support 1 through a bolt.

Through setting up pressure equipment board 10, improve the spacing fixed of walking on stage 13.

Further, a pressing ring 11 is arranged on the walking platform 13, and the pressing ring 11 is arranged between the walking platform 13 and the press mounting plate 10.

By arranging the compression ring 11, the stress uniformity of the walking platform 13 is improved.

Preferably, as shown in fig. 3, a tooling bracing tube 21 is installed between the inner front flange 14 and the outer front flange 15. So as to ensure the size of the subsequent product after the tool is put down.

When the diffuser is used specifically, firstly, the inner front flange 14 and the outer front flange 15 of the diffuser are respectively placed on the inner cylinder placing ring 2 and the outer cylinder placing ring 3, after the concentricity of the inner front flange 14 and the outer front flange 15 is adjusted, the inner front flange 14 and the outer front flange 15 are pressed on the inner cylinder placing ring 2 and the outer cylinder placing ring 3 through the pressing plate mechanism. According to the positions of the inner front flange 14 and the outer front flange 15, an inner cylinder 16 and an outer cylinder 17 are installed, then the guide ring 12 is installed on the positioning mechanism 6 on the positioning partition plate 5 in a layered mode, after the size is determined to be correct, the reinforcing ribs 18 and the supporting pipes 19 are installed, the overall size is checked again, and all the main body parts are fixed in a spot welding mode. The walking board support 1 and the base device are folded, after the concentricity of the walking board support 1 and the base device is checked, the mounting seat 8 is connected with the walking board support 1 through bolts, the concentricity generally needs to be guaranteed within 3mm, the walking board 13 is pressed through the pressing plate 10 and the pressing ring 11 to control welding deformation, and after the keel 20 and the rest main parts are assembled, after the size is checked to be correct, spot welding is carried out for fixation. Finally, the whole cylindrical structure formed by assembling the main body parts of the tool and the diffuser is placed on the roller carrier for spin welding, the welding positions of most welding seams of the diffuser are adjusted to be flat welding and horizontal welding by vertical welding, overhead welding, climbing welding and the like, the welding difficulty is reduced, the welding quality is better, and the welding efficiency is higher. After welding on the roller frame is finished, the main body part of the diffuser can be taken off from the tool, and a thermal insulation layer is assembled or other residual processes are carried out.

The installing and welding tool can be manufactured according to the design scheme of the tool by measuring various types of diffusers with the same structure and different sizes so as to meet the actual requirement of production. This frock can the integral diffuser of adaptation and the bayonet huff diffuser of two halves, it is not suitable to increase the huff diffuser outward, can be suitable for various models, diffuser such as 6B including the GE company, 7B, 7E, 9E.03 type, under the assistance of this kind of frock, the assembly welding flow of product has all obtained the solidification, each assembly size of product has all obtained the assurance, the welding deformation of product has also obtained effectual control, simultaneously, each item that brings with the help of the frock assemble the facility and the fixed back later stage of size reprocess work load's reduction, this frock still makes the assembly welding efficiency of product obtain great promotion, manufacturing cost significantly reduces, has stronger cost reduction increase function.

In the design of frock, from the assembly dimension of single part to the assembly error between the part, to the holistic welding deformation of diffuser again, each size of strict control product to when providing size location and dress and weld the convenience and then improve dress and weld efficiency, make the outward appearance shaping of product more unanimous, let the product possess higher quality.

The tool manufactured under the guidance of the design scheme of the universal tool for assembling and welding the exhaust diffuser not only improves the assembly and welding efficiency of products and reduces the production cost of the products, but also greatly improves the forming quality of the whole product, and particularly has very obvious economic benefit for a tool to serve a plurality of sets of products in the mass production process.

Claims (7)

1. The utility model provides an assembly and welding frock for gas turbine exhaust diffuser, a serial communication port, include base device and walk a support (1), base device includes that the inner tube is placed ring (2) and urceolus and is placed ring (3), the inner tube is placed ring (2) and urceolus and is placed ring (3) and go up respectively and place interior front flange (14) and outer front flange (15), the inner tube is placed ring (2) and urceolus and is placed ring (3) and connect through link (4), the inner tube is placed ring (2) and urceolus and is placed and be equipped with a plurality of locating separation plate (5) between ring (3), it is equipped with a plurality of positioning mechanism (6) that carry out the location to water conservancy diversion ring (12) to follow its inclined plane on locating separation plate (5), the urceolus is placed ring (3) and is connected with mount pad (8) through link (7), it is connected with mount pad (8) to walk a support (1) lower extreme.

2. The assembly and welding tool for the gas turbine exhaust diffuser of claim 1, characterized in that the staging support (1) comprises a support platform (101), the support platform (101) is connected with a mounting ring (103) by a vertical support (102), and the mounting ring (103) is connected with the mounting seat (8) by bolts.

3. The assembly and welding tool for a gas turbine exhaust diffuser of claim 1, wherein the positioning mechanism (6) is a plurality of positioning slots.

4. The assembly and welding tool for the exhaust diffuser of the gas turbine as claimed in claim 1, wherein a plurality of pressing plate mechanisms are arranged on the inner cylinder placing ring (2) and/or the outer cylinder placing ring (3), each pressing plate mechanism comprises a pressing plate (9), and the pressing plates (9) are connected with the inner cylinder placing ring (2) or the outer cylinder placing ring (3) through bolts.

5. The assembling and welding tool for the exhaust diffuser of the gas turbine as claimed in claim 1, wherein the walking platform support (1) is provided with a plurality of press-fitting plates (10) for press-fitting the walking platform (13) of the diffuser, one end of each press-fitting plate (10) is pressed on the walking platform (13), and the other end of each press-fitting plate is connected with the walking platform support (1) through bolts.

6. The assembly and welding tool for the gas turbine exhaust diffuser of claim 5, wherein the platform (13) is provided with a clamping ring (11), and the clamping ring (11) is arranged between the platform (13) and the press-fitting plate (10).

7. The assembly and welding tooling for a gas turbine exhaust diffuser of claim 1 wherein a tooling brace (21) is installed between the inner forward flange (14) and the outer forward flange (15).

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