CN209954070U

CN209954070U - Assembly welding tool for flame tube of combustion chamber of gas turbine

Info

Publication number: CN209954070U
Application number: CN201920338857.2U
Authority: CN
Inventors: 车东辉; 孙乃明; 王跃; 梁力文; 徐清泉; 王圣达
Original assignee: Liaoning Fuan Gas Turbine Co Ltd
Current assignee: Liaoning Fuan Gas Turbine Co Ltd
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-01-17
Anticipated expiration: 2029-03-18

Abstract

The utility model relates to a gas turbine combustion chamber flame tube assembly welding tool, wherein a central column is vertically arranged on a base, a plurality of axial through holes are arranged on the central column, and the distance between adjacent axial through holes is the height of a single conical tube; the lower tray is sleeved on the central column, and a plurality of internal pressure hooks are arranged on the lower tray; the upper tray is sleeved on the central column, and a plurality of external pressure hooks are arranged on the upper tray. The utility model discloses it can support fixedly fast to a awl section of thick bamboo to ensure that an upper portion awl section of thick bamboo cup joints with the axle center with a lower part awl section of thick bamboo, convenient welding.

Description

Assembly welding tool for flame tube of combustion chamber of gas turbine

Technical Field

The utility model relates to a processing frock, concretely relates to gas turbine combustor flame tube assembly welding frock.

Background

The gas turbine is used as a large and advanced power device, is widely applied to the fields of aviation, aerospace, ships, energy and chemical engineering and the like, and plays a vital role in national equipment manufacturing industry, national defense construction and national economy. The performance of the rotor of the gas turbine, which is one of the most important components of the gas turbine, directly affects the performance of the whole unit. The rotor of the gas turbine is driven by a heat source to rotate, and the rotor rotates to generate electric energy.

The rotation of the rotor of the gas turbine needs to use a flame tube to transfer a heat source to blades of the rotor, and the flame tube needs a plurality of conical tubes to be sleeved with each other and then is welded. When the conical cylinders are welded, the upper conical cylinder and the lower conical cylinder are sleeved and fixed coaxially and then welded. The supporting and fixing of the cone cylinder are completed by special tools.

Disclosure of Invention

An object of the utility model is to solve above-mentioned problem, provide a welding frock is assembled to gas turbine combustor flame tube, it can support fixedly to a awl section of thick bamboo fast to ensure that an upper portion awl section of thick bamboo cup joints with the axle center with a lower part awl section of thick bamboo, convenient welding.

In order to solve the above problem, the utility model discloses a technical scheme as follows:

the assembly welding tool for the flame tube of the combustion chamber of the gas turbine is characterized by comprising a base 1, a central column 2, an upper tray 3 and a lower tray 4, wherein the central column 2 is vertically arranged on the base 1, the central column 2 is provided with a plurality of axial through holes 21, and the distance between every two adjacent axial through holes 21 is the height of a single cone 5; the lower tray 4 is sleeved on the central column 2, the central sleeve of the lower tray is fixed with an axial through hole of the central column 2 through a bolt, the upper surface of the lower tray 4 is provided with a groove 41, the diameter of the groove 41 is consistent with that of the lower opening of the conical cylinder 5, the lower tray 4 is provided with a plurality of internal pressure hooks 6, the plurality of internal pressure hooks 6 are circularly and uniformly distributed on the lower tray 4, the bottom of the internal pressure hook 6 is connected with a first fixing bolt 61, the first fixing bolt 61 penetrates through the lower tray 4, the first fixing bolt 61 is in threaded connection with the lower tray 4, and hooks of the internal pressure hooks 6 are pressed on the inner surface of a convex ring 51 of the conical cylinder; go up tray 3 and cup joint on the center post, go up tray center cover and pass through bolt fastening with the axial through hole on the center post, it is equipped with concave ring 31 to go up tray 3 lower surface, concave ring 31 diameter is unanimous with awl section of thick bamboo 5 suitable for reading the mouth diameter, it is equipped with a plurality of outer pressure hooks 7 on the tray to go up, a plurality of outer pressure hooks 7 are circular evenly distributed on last tray 3, external pressure hook 7 top is equipped with second fixing bolt 71, its second fixing bolt 71 runs through tray 3, second fixing bolt 71 and last tray 3 pass through threaded connection, the hook pressure of outer pressure hook 7 is on the surface of awl section of thick bamboo bulge loop 51.

Compared with the prior art, the utility model discloses favourable effect does:

(1) welding the flame tube is carried out from bottom to top, a lower opening of the bottommost conical tube is placed in a groove in the upper surface of the lower tray, the first fixing bolt is tightened, the inner pressure hooks hook the inner surface of a convex ring of the bottommost conical tube, and the plurality of inner pressure hooks distributed circumferentially determine the axis position of the bottommost conical tube; the second cone cylinder in the bottom is sleeved on the upper portion of the cone cylinder in the lower portion, the top of the second cone cylinder in the bottom is arranged on the upper tray, the center sleeve of the upper tray is fixed with the axial through hole in the corresponding center column through a bolt, the upper opening of the second cone cylinder in the bottom is clamped into the concave ring on the lower surface of the upper tray, the second fixing bolt is tightened, the outer pressure hook hooks the outer surface of the convex ring of the second cone cylinder in the bottom, the axis position of the second cone cylinder in the bottom is determined by a plurality of outer pressure hooks distributed on the circumference, and the upper portion and the lower portion cone cylinder are welded after being aligned and fixed.

(2) After two awl section of thick bamboos in bottom have been welded, the third awl section of thick bamboo cover in bottom is on the second awl section of thick bamboo upper portion in bottom, and upper tray up moves, and the third awl section of thick bamboo top in bottom is located to upper tray, and upper tray welds after aiming at the position fixed to the third awl section of thick bamboo in bottom, and the successive layer upwards suit welds after the welding.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a structural diagram of a gas turbine combustor liner assembling and welding tool according to the present invention;

FIG. 2 is a partial structure view of the internal pressure hook of the present invention;

FIG. 3 is a partial structure view of the external pressure hook of the present invention;

description of reference numerals: the device comprises a base-1, a central column-2, an axial through hole-21, an upper tray-3, a concave ring-31, a lower tray-4, a groove-41, a conical cylinder-5, a conical cylinder convex ring-51, an internal pressure hook-6, a first fixing bolt-61, an external pressure hook-7 and a second fixing bolt-71.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to the description as shown in figure 1 of the drawings,

a flame tube assembling and welding tool for a combustion chamber of a gas turbine comprises a base 1, a central column 2, an upper tray 3 and a lower tray 4, wherein the central column 2 is vertically arranged on the base 1, the bottom of the central column is connected with the base through a fixing bolt, a plurality of axial through holes 21 are formed in the central column 2, and the distance between every two adjacent axial through holes 21 is the height of a single conical tube 5; the lower tray 4 is sleeved on the central column 2, the central sleeve of the lower tray is fixed with the axial through hole of the central column 2 through a bolt, the upper surface of the lower tray 4 is provided with a groove 41, the diameter of the groove 41 is consistent with the diameter of the lower opening of the conical barrel 5, the lower tray 4 is provided with a plurality of internal pressure hooks 6, the plurality of internal pressure hooks 6 are circularly and uniformly distributed on the lower tray 4, the bottom of the internal pressure hook 6 is connected with a first fixing bolt 61, the first fixing bolt 61 penetrates through the lower tray 4, the first fixing bolt 61 is connected with the lower tray 4 through screw threads, referring to the description and the attached figure 2, the hook of the inner pressing hook 6 is pressed on the inner surface of the conical cylinder convex ring 51, when the bottom conical cylinder is fixed, the first fixing bolt moves downwards, the inner pressure hook presses the inner surface of the conical convex ring, when the flame tube is dismounted, reversely rotating the first fixing bolt, moving the first fixing bolt upwards, and separating the inner pressure hook from the inner surface of the conical convex ring; the upper tray 3 is sleeved on the central column, the central sleeve of the upper tray is fixed with the axial through hole on the central column through a bolt, the lower surface of the upper tray 3 is provided with a concave ring 31, the diameter of the concave ring 31 is consistent with that of the upper opening of the conical cylinder 5, the upper tray is provided with a plurality of outer pressure hooks 7, the plurality of outer pressure hooks 7 are circularly and uniformly distributed on the upper tray 3, the top of each outer pressure hook 7 is provided with a second fixing bolt 71, the second fixing bolt 71 penetrates through the upper tray 3, the second fixing bolt 71 is connected with the upper tray 3 through threads, the hook of the external pressure hook 7 is pressed on the outer surface of the conical cylinder convex ring 51, when the upper conical cylinder is fixed, when the second fixing bolt is rotated and moves upwards, referring to the description and the attached figure 3, the hook of the external pressure hook presses on the outer surface of the conical convex ring 51, when the flame tube is dismounted, and the second fixing bolt is rotated reversely, the second fixing bolt moves downwards, and the hook of the external pressure hook is separated from the outer surface of the conical convex ring.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred embodiments of the present invention, and the present invention is not limited by the above preferred embodiments, and various changes and modifications can be made without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the present invention as claimed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The assembly welding tool for the flame tube of the combustion chamber of the gas turbine is characterized by comprising a base (1), a central column (2), an upper tray (3) and a lower tray (4), wherein the central column (2) is vertically arranged on the base (1), a plurality of axial through holes (21) are formed in the central column (2), and the distance between every two adjacent axial through holes (21) is the height of a single conical tube (5); the lower tray (4) is sleeved on the central column (2), the central sleeve of the lower tray is fixed with an axial through hole of the central column (2) through a bolt, the upper surface of the lower tray (4) is provided with a groove (41), the diameter of the groove (41) is consistent with that of a lower opening of the conical cylinder (5), the lower tray (4) is provided with a plurality of internal pressure hooks (6), the plurality of internal pressure hooks (6) are circularly and uniformly distributed on the lower tray (4), the bottom of each internal pressure hook (6) is connected with a first fixing bolt (61), a first fixing bolt (61) penetrates through the lower tray (4), the first fixing bolt (61) is in threaded connection with the lower tray (4), and hooks of the internal pressure hooks (6) are pressed on the inner surface of a convex ring (51) of the conical cylinder; go up tray (3) and cup joint on the center post, go up the axial through hole of tray center cover on with the center post and pass through bolt fastening, it is equipped with concave ring (31) to go up tray (3) lower surface, concave ring (31) diameter is unanimous with awl section of thick bamboo (5) suitable for reading diameter, it presses hook (7) outward to be equipped with a plurality of on the tray, a plurality of press hook (7) outward are circular evenly distributed on last tray (3), press hook (7) top outward and be equipped with second fixing bolt (71), its second fixing bolt (71) run through tray (3), second fixing bolt (71) pass through threaded connection with last tray (3), the hook of pressing hook (7) outward is pressed on the surface of awl section of thick bamboo bulge loop (51).