CN213875005U

CN213875005U - Pressure test tool for gas compressor of gas turbine

Info

Publication number: CN213875005U
Application number: CN202022989635.2U
Authority: CN
Inventors: 王开野; 刘明强; 刘光祥; 魏聿梁; 候文常
Original assignee: Qingdao Zhongke Guosheng Power Technology Co ltd
Current assignee: Qingdao Zhongke Guosheng Power Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-08-03
Anticipated expiration: 2030-12-08

Abstract

The utility model provides a gas turbine compressor's experimental frock of suppressing, including compressor back frame, the both ends of compressor back frame set up sealing device respectively, still include sealed steel column, the one end of sealed steel column is inserted in the compressor back frame to with the sealing device inner wall fixed connection of bottom, wear out from the sealing device at top the other end of sealed steel column, and through the bolt pretension of the sealing device top at top. The utility model discloses a suppress experimental frock convenient to use, the practicality is strong, and is sealed effectual, can effectively improve suppress experimental work efficiency.

Description

Pressure test tool for gas compressor of gas turbine

Technical Field

The utility model relates to a suppress experimental technical field, especially relate to a suppress experimental frock of gas turbine compressor.

Background

The pressing tool is an important tool for large-scale frame tests, the existing common tool cannot achieve good sealing performance all the time for the pressing test with the pressure exceeding 2Mpa, and the sealing devices are mainly used at two ends of the rear frame of the air compressor, so that when the pressure is pressed into the frame, the inner walls of the sealing devices at the two ends are relatively small in overall stress, and the sealing performance is poor and the pressure cannot be improved easily.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a gas turbine compressor's suppress experimental frock solves the not good technical problem of frock leakproofness is suppressed to current compressor.

In order to solve the above problem, the utility model provides a following technical scheme:

the utility model provides a test frock is suppressed to gas turbine compressor, includes compressor rear frame, the both ends of compressor rear frame set up sealing device respectively, still include sealed steel column, the one end of sealed steel column inserts in the compressor rear frame to with the sealing device inner wall fixed connection of bottom, the other end of sealed steel column is worn out from the sealing device at top, and through the bolt pretension of the sealing device top at top.

In a preferred embodiment, the number of the sealing steel columns is at least 2.

In a preferred embodiment, the number of the sealing steel columns is 4, and the sealing steel columns are uniformly distributed around the central axis of the compressor rear frame.

In a preferred embodiment, the steel column base is fixedly connected with the bottom sealing device through bolts, and the sealing steel column is fixed on the steel column base through welding.

In a preferred embodiment, the sealing devices at two ends of the compressor rear frame each include an inner side sealing plate and an outer side sealing plate, the steel column base is fixedly connected with the outer side sealing plates through bolts, and the inner side sealing plates are used for being fixedly connected with the compressor rear frame through bolts.

In a preferred embodiment, a rubber gasket is further interposed between the inner sealing plate and the outer sealing plate.

In a preferred embodiment, a plurality of protrusions are uniformly arranged on both side surfaces of the rubber packing.

In a preferred embodiment, a pressing opening is arranged on the side of the compressor rear frame.

The utility model discloses a gas turbine compressor's bulge test frock, its beneficial effect lies in: the utility model discloses a compressor rear frame is suppressed experimental frock lies in its inside steel column that has increased with the difference of the sealed frock of tradition, except that outside the outside bolt exerts force to the leakproofness, the steel column also can produce an inside pulling force in inside to let suppress and still can keep sealed when exceeding 2MPa, should suppress experimental frock after experimental operation and compare with the simple frock of leaning on outside bolt seal of tradition, the leakproofness has obvious promotion effect when pressure exceedes 2 MPa.

Drawings

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

Fig. 1 is a schematic structural view of a pressing test tool of a gas turbine compressor according to an embodiment of the present invention.

Detailed Description

The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present disclosure, and the drawings only show the components related to the present disclosure rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

As shown in fig. 1, the embodiment of the present disclosure provides a compression test tool for a gas turbine compressor, including a compressor rear frame 2, a compression opening is formed at a side of the compressor rear frame 2, sealing devices are respectively arranged at two ends of the compressor rear frame 2, and the tool further includes a sealing steel column 4, one end of the sealing steel column 4 is inserted into the compressor rear frame 2 and is fixedly connected with an inner wall of the sealing device at the bottom, and the other end of the sealing steel column 4 penetrates out of the sealing device at the top and is pre-tightened by a bolt 1 above the sealing device at the top.

The above embodiment of the utility model provides an in, add sealed steel column 4 in traditional compressor suppress frock. Because the traditional pressing tool only adopts bolts to fix and arrange the sealing devices at the two ends of the rear frame 2 of the air compressor at the outside, when the pressing is carried out, particularly when the pressing exceeds 2MPa, the stress on the inner wall of the sealing device is smaller relative to the whole sealing device, so that air leakage and poor sealing performance are easily caused, and the pressure cannot be improved. After the sealing steel column 4 is designed, the external bolt 1 applies force to the internal air pressure from the outer wall of the sealing device, and the sealing steel column 4 also applies force to the internal air pressure from the inner wall of the sealing device, so that the sealing performance is still ensured to be intact after the compression test exceeds 2MPa by the aid of the tensile force applied by the sealing steel column 4.

In order to ensure the sealing effect, in a preferred embodiment, the number of the sealing steel columns 4 is at least 2. In this embodiment, it is further preferable that the number of the sealing steel columns 4 is four, and the sealing steel columns are uniformly distributed around the central axis of the compressor rear frame. The four sealing steel columns 4 are uniformly distributed in the middle of the rear frame 2 of the air compressor, so that the uniformity of force is ensured, and the uniformity of sealing is ensured.

For convenience of processing, in a preferred embodiment, the steel column base 7 is further included, the steel column base 7 is fixedly connected with a bottom sealing device through bolts, and the sealing steel column 4 is fixed on the steel column base 7 through welding.

In another preferred embodiment, the sealing means at both ends of the compressor rear frame 2 comprise an inner sealing plate and an outer sealing plate. Referring to fig. 1, the top seal comprises a top outer seal plate 5 and a top inner seal plate 6 and the bottom seal comprises a bottom outer seal plate 8 and a bottom inner seal plate 3. The inner side sealing plates at the top and the bottom are fixedly connected with the compressor rear frame 2 through flanges, gaskets and bolts, the steel column base 7 and the bottom outer side sealing plate 8 are fixedly connected through the flanges, the gaskets and the bolts, one end of the sealing steel column 4 is fixed on the steel column base 7, the other end of the sealing steel column penetrates out of the top outer side sealing plate 5 and then is pre-tightened through the bolts 1, and the top outer side sealing plate 5 and the bottom outer side sealing plate 8 clamp the middle top inner side sealing plate 6, the press rear frame 2 and the bottom inner side sealing plate 3 tightly.

In order to further ensure the sealing effect between the inner sealing plate and the outer sealing plate, in a preferred embodiment, a rubber gasket (not shown in the figure) is further interposed between the inner sealing plate and the outer sealing plate, and a plurality of protrusions are uniformly arranged on two side surfaces of the rubber gasket.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a test frock is suppressed to gas turbine compressor which characterized in that, includes compressor rear frame, the both ends of compressor rear frame set up sealing device respectively, still include sealed steel column, the one end of sealed steel column is inserted in the compressor rear frame to with the sealing device inner wall fixed connection of bottom, the other end of sealed steel column is worn out from the sealing device at top, and through the bolt pretension of the sealing device top at top.

2. The gas turbine compressor pressure test tool according to claim 1, wherein the number of the sealing steel columns is at least 2.

3. The pressure test tool for the gas turbine compressor as claimed in claim 2, wherein the number of the sealing steel columns is 4, and the sealing steel columns are uniformly distributed around a central shaft of the compressor rear frame.

4. The pressure test tool for the gas turbine compressor according to any one of claims 1 to 3, further comprising a steel column base, wherein the steel column base is fixedly connected with a sealing device at the bottom through bolts, and the sealing steel column is fixed on the steel column base through welding.

5. The pressure test tool for the gas turbine compressor according to claim 4, wherein the sealing devices at two ends of the compressor rear frame respectively comprise an inner side sealing plate and an outer side sealing plate, the steel column base is fixedly connected with the outer side sealing plate through bolts, and the inner side sealing plate is fixedly connected with the compressor rear frame through bolts.

6. The pressure test tool for the gas turbine compressor as claimed in claim 5, wherein a rubber gasket is further interposed between the inner side sealing plate and the outer side sealing plate.

7. The pressure test tool for the gas turbine compressor as claimed in claim 6, wherein a plurality of protrusions are uniformly arranged on the surfaces of the two sides of the rubber sealing gasket.

8. The pressurization test tool for the gas turbine compressor according to claim 1, wherein a pressurization opening is formed in the side of the compressor rear frame.