CN215432130U

CN215432130U - Plug-in assembly tool for controlling deformation of hula seal workpiece

Info

Publication number: CN215432130U
Application number: CN202121102709.4U
Authority: CN
Inventors: 焦博; 王利利; 张景龙; 吴海涛; 陈军; 武金龙; 刘剑利; 于增杰; 吴涛; 迟岩
Original assignee: Harbin Turbine Co Ltd
Current assignee: Harbin Turbine Co Ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-01-07
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to an inserting assembly tool for controlling deformation of a hula seal workpiece, and relates to an inserting assembly tool, which aims to solve the problem that the hula seal workpiece cannot be attached to a platform due to extremely low dead weight of parts in the assembly process and is easy to deform during processing. The utility model designs a corresponding plugging tool by combining the characteristics of thin thickness and light self weight of a hula seal part, adds a simple plug at the bottom of the hula seal during blanking, and matches with a clamping groove in the plugging tool to ensure the integral roundness of the part, and fits with a bolt to attach the part and the plugging tool to meet the requirement of laser cutting to ensure the dimensional accuracy of the final part.

Description

Plug-in assembly tool for controlling deformation of hula seal workpiece

Technical Field

The utility model relates to a plug-in assembly tool, in particular to a plug-in assembly tool for controlling deformation of a hula seal workpiece, and belongs to the technical field of gas turbines.

Background

The hula seal in the heavy gas turbine combustion chamber project of 300MW needs to remove the allowance of the upper end face through laser cutting after the compression, the wall thickness dimension is only 0.81mm, the dead weight of a part is extremely small, the part cannot be attached to a platform, the deformation of the part is difficult to control, and the dimension of the part after final cutting is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that a hula seal workpiece cannot be attached to a platform due to extremely low dead weight of parts in the assembling process and is easy to deform during processing, and further provides a plug-in assembling tool for controlling deformation of the hula seal workpiece.

The technical scheme adopted by the utility model for solving the problems is as follows:

the utility model comprises a base and a plurality of hook assemblies, wherein the base is a disc body, a plurality of slots are uniformly distributed on the upper surface of the base along the circumferential direction, the hook assemblies are arranged on the upper surface of the base along the circumferential direction, and the hook assemblies are positioned on the outer sides of the slots.

Further, the couple subassembly includes bolt, nut, gasket and couple, and the lower extreme welding of bolt is on the upper surface of base, and nut and gasket suit are from top to bottom on the bolt in proper order, and the couple is with the outside end fixed connection of gasket.

Further, the slot is an arc slot.

Further, the arc length of each slot is 30-32 mm.

Furthermore, the upper surface of base is equipped with the circular through-hole of multiunit, and the circular through-hole of multiunit sets up along the circumferencial direction, is equipped with a set of circular through-hole between per two slots.

Furthermore, each group of circular through holes comprises two small round holes which are sequentially arranged from inside to outside.

Furthermore, a positioning hole is formed in the middle of the upper surface of the base.

Further, the quantity of slot is sixteen, and the quantity of couple subassembly is eight.

The utility model has the beneficial effects that:

the characteristics of thin thickness and light self weight of a hula seal part are combined, a corresponding plugging tool is designed, a simple plug is additionally arranged at the bottom of the hula seal during blanking and is matched with a clamping groove in the plugging tool to ensure the integral roundness of the part, and the part is attached to the plugging tool by matching with a bolt to meet the requirement of laser cutting so as to ensure the size precision of the final part.

The utility model simplifies the structure of the traditional tool clamp, improves the working efficiency, shortens the production period, reduces the manufacturing cost, and provides a method and a thinking mode for controlling deformation for the working procedures of assembling, welding and the like of thin-wall parts in the future.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the assembly of the present invention with hula seal components.

Detailed Description

The first embodiment is as follows: the embodiment is described with reference to fig. 1 and 2, and the plugging assembly tool for controlling deformation of a baffle plate workpiece in the embodiment includes a base 1 and a plurality of hook assemblies 3, the base 1 is a circular disc body, a plurality of slots 2 are uniformly distributed on the upper surface of the base 1 along the circumferential direction, the plurality of hook assemblies 3 are mounted on the upper surface of the base 1 along the circumferential direction, and the hook assemblies 3 are located outside the slots 2.

The second embodiment is as follows: the embodiment is described with reference to fig. 1 and 2, the hook assembly 3 of the embodiment includes a bolt 3-1, a nut 3-2, a washer 3-3 and a hook 3-4, the lower end of the bolt 3-1 is welded on the upper surface of the base 1, the nut 3-2 and the washer 3-3 are sequentially sleeved on the bolt 3-1 from top to bottom, and the hook 3-4 is fixedly connected with the outer end of the washer 3-3.

Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the present embodiment is described with reference to fig. 1 and 2, and the slot 2 in the present embodiment is an arc-shaped slot.

Other components are connected in the same manner as in the second embodiment.

The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 and 2, and the arc length of each slot 2 of the present embodiment is 30 to 32 mm.

Other components and connection relationships are the same as those in the first, second or third embodiment.

The fifth concrete implementation mode: referring to fig. 1 and 2, the embodiment is described, in which a plurality of sets of circular through holes 4 are formed in the upper surface of the base 1, the plurality of sets of circular through holes 4 are arranged along the circumferential direction, and a set of circular through holes 4 is formed between every two slots 2.

When the hula seal workpiece 6 is not tightly attached to the tool, an iron wire penetrates through the circular through hole 4, and the hula seal is fastened.

Other components and connections are the same as those of the first, second, third or fourth embodiments.

The sixth specific implementation mode: referring to fig. 1 and fig. 2, the present embodiment is described, where each group of circular through holes 4 includes two small circular holes, and the two small circular holes are sequentially arranged from inside to outside.

Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.

The seventh embodiment: referring to fig. 1 and 2, the present embodiment is described, in which a positioning hole 5 is formed in the middle of the upper surface of the base 1.

The positioning hole 5 can ensure that the tool and the rotary table are concentric.

Other components and connection relationships are the same as those in the first, second, third, fourth, fifth or sixth embodiment.

The specific implementation mode is eight: in the embodiment described with reference to fig. 1 and 2, the number of the slots 2 is sixteen, and the number of the hook members 3 is eight.

Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth or seventh embodiment.

The working principle is as follows:

a T-shaped bulge 6-1 is reserved at the lower end of the hula seal workpiece 6, the T-shaped bulge 6-1 is inserted into a corresponding slot 2, a gasket 3-3 is welded with a hook 3-4, the gasket is hung in a longitudinal slot of the hula seal workpiece 6 through the hook 3-4, and a nut is screwed up to tightly press the hula seal workpiece 6 on the tool.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a grafting assembly fixture to hula seal work piece control deformation which characterized in that: the inserting assembly tool for controlling deformation of the baffle plate workpiece comprises a base (1) and a plurality of hook assemblies (3), wherein the base (1) is a circular disc body, a plurality of slots (2) are uniformly distributed in the circumferential direction on the upper surface of the base (1), the hook assemblies (3) are mounted on the upper surface of the base (1) in the circumferential direction, and the hook assemblies (3) are located on the outer sides of the slots (2).

2. The plug-in assembling tool for controlling deformation of the hula seal workpiece according to claim 1, wherein the plug-in assembling tool comprises: the hook assembly (3) comprises a bolt (3-1), a nut (3-2), a gasket (3-3) and a hook (3-4), the lower end of the bolt (3-1) is welded on the upper surface of the base (1), the nut (3-2) and the gasket (3-3) are sequentially sleeved on the bolt (3-1) from top to bottom, and the hook (3-4) is fixedly connected with the outer side end of the gasket (3-3).

3. The plug-in assembling tool for controlling deformation of the hula seal workpiece according to claim 2, wherein the plug-in assembling tool comprises: the slot (2) is an arc-shaped slot.

4. The plug-in assembling tool for controlling deformation of the hula seal workpiece according to claim 2, wherein the plug-in assembling tool comprises: the arc length of each slot (2) is 30-32 mm.

5. The plug-in assembling tool for controlling deformation of the hula seal workpiece according to claim 1, wherein the plug-in assembling tool comprises: the upper surface of base (1) is equipped with the circular through-hole of multiunit (4), and the circular through-hole of multiunit (4) sets up along the circumferencial direction, is equipped with a set of circular through-hole (4) between per two slots (2).

6. The plug-in assembling tool for controlling deformation of the hula seal workpiece according to claim 5, wherein the plug-in assembling tool comprises: each group of circular through holes (4) comprises two small round holes which are sequentially arranged from inside to outside.

7. The plug-in assembling tool for controlling deformation of the hula seal workpiece according to claim 1, wherein the plug-in assembling tool comprises: the middle part of the upper surface of the base (1) is provided with a positioning hole (5).

8. The plug-in assembling tool for controlling deformation of the hula seal workpiece according to claim 1, wherein the plug-in assembling tool comprises: the number of the slots (2) is sixteen, and the number of the hook components (3) is eight.