CN213968379U

CN213968379U - A school shape frock for changeover portion sealing strip that floats

Info

Publication number: CN213968379U
Application number: CN202022362182.0U
Authority: CN
Inventors: 成李峰
Original assignee: Huarui Jiangsu Gas Turbine Services Co ltd
Current assignee: Huarui Jiangsu Gas Turbine Services Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-08-17
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a shape correcting tool for a transition section floating sealing strip, which comprises a first plane, a second arc surface and a third plane; the second arc surface is vertically connected with one side of the third plane; the third plane is connected with the first plane through an arc-shaped surface on one side, and the third plane is vertically parallel to the first plane and has a certain height; the tool comprises a front clamping block, a rear clamping block and an arc-shaped stop block; a plurality of arc-shaped stop blocks are arranged on the rear clamping block; the arc surfaces of the front clamping block and the rear clamping block are clamped, so that the second arc surface is prevented from deforming; meanwhile, the arc-shaped stop blocks are embedded into a vertical gap between the first plane and the third plane of the transition section floating sealing strip, and the third plane is attached to the upper surface of a front clamping block of the tool when the bolt is tightened, so that the flatness of the third plane is ensured; and the flatness of the first plane can be ensured under the hydraulic action of the machine tool and the gapless fixing action of the tool.

Description

A school shape frock for changeover portion sealing strip that floats

Technical Field

The utility model relates to a school shape frock for changeover portion sealing strip that floats belongs to gas turbine equipment technical field.

Background

In the field of combustion engine equipment, sealing of the combustion chamber of the model GEMS9001E by using a sealing member is often required, and a traditional floating sealing strip is easily influenced by external factors after being used for a long time, therefore, the end face of the sealing strip is deformed, later-stage personnel simply correct a certain large deformation place in the processing process and can not reach the standard of workpiece use, the first plane and the second arc surface of the floating sealing strip of the transition section deform after the floating sealing strip is used for a long time, the floating sealing strip needs to be restored to the original shape by means, and after the first plane is corrected independently, after correcting the second arc surface, the first plane begins to deform after the second arc surface is repaired, and the distance in the drawing cannot be ensured, so as to cause instability of equipment sealing and easily cause major accidents, and a device is needed to solve the problem of the shape correction work of the sealing strip.

SUMMERY OF THE UTILITY MODEL

Problem to above-mentioned prior art exists, the utility model provides a school shape frock for changeover portion floating seal strip is used for solving floating seal strip and appearing warping because of long-time the use and leading to the unsatisfactory problem of sealed effect.

In order to realize the purpose, the utility model discloses a technical scheme is: a transition section floating seal strip and a shape correcting tool are used for the transition section floating seal strip for a combustion engine, wherein the transition section floating seal strip comprises a first plane, a second arc surface and a third plane; the second arc surface is vertically connected with one side of the third plane; the third plane is connected with the first plane through an arc-shaped surface on one side, and the third plane is vertically parallel to the first plane and has a certain height; the device is characterized by comprising a front clamping block, a rear clamping block and a transition section floating sealing strip positioned between the front clamping block and the rear clamping block; a plurality of arc-shaped stop blocks are arranged on the rear clamping block; the side surface of the arc-shaped stop block is an arc-shaped surface and is arranged in a groove formed between the third plane and the first plane; the second arc surface is arranged between the front clamping block and the rear clamping block, the position surface of the second arc surface of the front clamping block, which is close to the floating sealing strip of the transition section, is a corresponding arc surface, and the position surface of the second arc surface of the rear clamping block, which is close to the floating sealing strip of the transition section, is a corresponding arc surface; the front clamping block and the rear clamping block are fixedly connected.

Furthermore, the arc-shaped stop blocks are uniformly arranged at the upper end of the rear clamping block respectively, and the arc-shaped side of each arc-shaped stop block faces the position of the forward clamping block.

Further, the arc-shaped stop block is fixed at the upper end part of the rear clamping block through a bolt.

Furthermore, the rear clamping block is provided with a plurality of bolt holes for installing arc-shaped check blocks, and the bolt holes are used for effectively fixing the floating sealing strip of the transition section.

Furthermore, the two sides of the front clamping block and the rear clamping block are fixed in a bolt connection mode, and the bolt connection direction of the front clamping block and the rear clamping block is located in the horizontal direction of the whole component.

The utility model has the advantages that: under the clamping action of the cambered surfaces of the front clamping block and the rear clamping block, the front clamping block and the rear clamping block can be effectively clamped through the bolt piece, so that the cambered surface of the second cambered surface is prevented from being deformed or the deformed cambered surface is further repaired; meanwhile, the arc-shaped stop blocks are embedded into a vertical gap between the first plane and the third plane of the transition section floating sealing strip, and the third plane is attached to the upper surface of a front clamping block of the tool when the bolt is tightened, so that the flatness of the third plane is ensured; and the flatness of the first plane can be guaranteed under the action of hydraulic pressure of the machine tool and through the gapless fixing action of the tool, the tool can be used for effectively correcting the shape of the second arc surface when the shape correction of the first plane is guaranteed, and the problem that only one side of the first plane is guaranteed and other sides are deformed is avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view of the structure A-A of FIG. 2 according to the present invention;

fig. 4 is a front view of the present invention.

In the figure: 1. the clamping device comprises a front clamping block, a rear clamping block, a bolt, a rear clamping block, a transition section floating sealing strip, a first plane, a second plane, an arc surface, a third plane and a transition section floating sealing strip, wherein the front clamping block 2, the rear clamping block 3, the arc-shaped stop block 31, the bolt, 4 and the transition section floating sealing strip are 41.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.

As shown in fig. 1 and 3, the fixture is used for a transition section floating seal strip 4 for a combustion engine, wherein the transition section floating seal strip 4 comprises a first plane 41, a second arc surface 42 and a third plane 43; the second arc surface 42 is vertically connected with one side of the third plane 43; the plane III 43 is connected with the plane I41 through an arc-shaped surface at one side, and the plane III 43 is vertically parallel to the plane I41 and forms a certain height; the tool comprises a front clamping block 1 and a rear clamping block 2, wherein a transition section floating sealing strip 4 is arranged between the front clamping block 1 and the rear clamping block 2; a plurality of arc-shaped stop blocks 3 are arranged on the rear clamping block 2; arc dog 3 is including installing the fixed part of pressing from both sides tight piece 2 top at the back and stretching into the protruding portion in the recess that forms between plane one 41 and plane three 43, says through bolt 31 that the fixed part is fixed in the upper end of pressing from both sides tight piece 2 at the back, guarantees simultaneously that the protruding portion stretches into in the recess, and then realizes subsequent clamp.

Referring to fig. 2 and 4, the side surface of the arc-shaped stop block 3 is an arc-shaped surface which is arranged in a groove formed between a plane three 43 and a plane one 41; the arc-shaped stop blocks 3 are uniformly arranged at the upper end positions of the rear clamping blocks 2 respectively, and the arc-shaped side of each arc-shaped stop block 3 faces the position of the forward clamping block 1. The arc-shaped stop block 3 is fixed at the upper end part of the rear clamping block 2 through a bolt 31.

The second arc surface 42 is arranged between the front clamping block 1 and the rear clamping block 2, the position surface of the second arc surface 42 of the front clamping block 1, which is close to the floating sealing strip 4 of the transition section, is a corresponding arc surface, and the position surface of the second arc surface 42 of the rear clamping block 2, which is close to the floating sealing strip 4 of the transition section, is a corresponding arc surface; the front clamping block 1 and the rear clamping block 2 are fixedly connected.

And a plurality of bolt holes for installing arc-shaped check blocks 3 are formed in the rear clamping block 2 and are used for effectively fixing the floating sealing strip 4 of the transition section. The front clamping block 1 and the rear clamping block 2 are fixed by adopting a bolt connection mode, and the bolt connection direction of the front clamping block and the rear clamping block is positioned in the horizontal direction of the whole component.

The working principle is as follows: firstly, when the part is corrected, the arc surface II 42 is placed on the arc surface between the front clamping block 1 and the rear clamping block 2, the front clamping block 1 and the rear clamping block 2 are tightened through the bolt piece between the arc surface II and the arc surface II, the shape of the arc surface II 42 can be ensured to be intact, the arc stop dog 3 is installed at the moment, the bolt 31 extends into the bolt hole of the rear clamping block 2, the arc stop dog 3 is fixed in the rear clamping block 2, and the selection number of the arc stop dog 3 is determined according to the size and the length of the seal; because the front clamping block 1 and the rear clamping block 2 have gaps in the tightened state, a gap can be formed between the third plane 43 and the tightened state, and the third plane 43 and the upper end face of the tool are fixed in a fit manner by tightening the bolt 31, so that the flatness of the third plane 43 can be ensured; since the first plane 41 and the first plane 3 are connected through the circular arc, the third plane 43 is used for correcting the first plane 41 better by using the hydraulic machine tool on the whole after the plane 1 is corrected.

In the utility model, the clamping action of the cambered surfaces of the front clamping block 1 and the rear clamping block 2 can realize effective clamping of the front clamping block 1 and the rear clamping block 2 through the bolt pieces, thereby ensuring that the cambered surface of the second arc surface 42 is not deformed or further repairing the deformed cambered surface; meanwhile, the arc-shaped stop blocks 3 are embedded into a vertical gap between a first plane 41 and a third plane 43 of the transition section floating seal strip 4, and the third plane is attached to the upper surface of a front clamping block 1 of the tool when the bolt is tightened, so that the flatness of the third plane 43 is ensured; and the flatness of the first plane 41 can be ensured under the action of hydraulic pressure of the machine tool and the action of gapless fixing of the tool, the tool can effectively correct the shape of the second arc surface 42 while ensuring the shape correction of the first plane 41, and the problem that only one surface is ensured and the other surfaces are deformed is avoided.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A sizing tool for a transition section floating seal strip is used for the transition section floating seal strip (4) for a combustion engine, wherein the transition section floating seal strip (4) comprises a first plane (41), a second arc surface (42) and a third plane (43); the second arc surface (42) is vertically connected with one side of the third plane (43); the plane III (43) is connected with the plane I (41) through an arc-shaped surface at one side, and the plane III (43) is vertically parallel to the plane I (41) and forms a certain height; the device is characterized by comprising a front clamping block (1), a rear clamping block (2) and a transition section floating sealing strip (4) positioned between the front clamping block (1) and the rear clamping block (2); a plurality of arc-shaped stop blocks (3) are arranged on the rear clamping block (2); the side surface of the arc-shaped stop block (3) is an arc-shaped surface and is arranged in a groove formed between the plane III (43) and the plane I (41); the second arc surface (42) is arranged in the middle of the front clamping block (1) and the rear clamping block (2), the position surface of the second arc surface (42) of the front clamping block (1) close to the floating sealing strip (4) of the transition section is a corresponding arc surface, and the position surface of the second arc surface (42) of the rear clamping block (2) close to the floating sealing strip (4) of the transition section is a corresponding arc surface; the front clamping block (1) and the rear clamping block (2) are fixedly connected.

2. The sizing tool for the transition section floating sealing strip is characterized in that three arc-shaped stop blocks (3) are arranged and evenly arranged at the upper end position of the rear clamping block (2), and the arc-shaped side of each arc-shaped stop block (3) faces the position of the forward clamping block (1).

3. The sizing tool for the transition section floating seal strip according to claim 1, characterized in that the arc-shaped stop block (3) is fixed at the upper end part of the rear clamping block (2) through a bolt (31).

4. The sizing tool for the floating sealing strip of the transition section according to claim 1, wherein a plurality of bolt holes for installing the arc-shaped stop blocks (3) are arranged on the rear clamping block (2) and are used for effectively fixing the floating sealing strip (4) of the transition section.

5. The sizing tool for the floating sealing strip of the transition section according to claim 1, wherein two sides of the front clamping block (1) and the rear clamping block (2) are fixed in a bolt connection mode, and the bolt connection direction of the front clamping block and the rear clamping block is located in the horizontal direction of the whole component.