CN219433947U

CN219433947U - Measuring tool for detecting radiation holes of blade shroud of turbine blade

Info

Publication number: CN219433947U
Application number: CN202320458813.XU
Authority: CN
Inventors: 刘德良
Original assignee: Wuxi Aierfu Blade Co ltd
Current assignee: Wuxi Aierfu Blade Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-07-28
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a steam turbine blade shroud radiation hole detection measuring tool, which comprises a support, an adjusting and positioning piece, a first fixing component and a second fixing component, wherein the adjusting and positioning piece is used for positioning a radiation hole on a workpiece to be measured, the adjusting and positioning piece is adjustably arranged along the length direction of the support, the first fixing component and the second fixing component are respectively used for positioning and fixing the bottom side and the right side of the support, and the position of the adjusting and positioning piece on the support is adjusted to detect the radiation holes with different specifications.

Description

Measuring tool for detecting radiation holes of blade shroud of turbine blade

Technical Field

The utility model belongs to the field of blade detection measuring tools, and particularly relates to a steam turbine blade shroud radiation hole detection measuring tool.

Background

The steam turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with a blade row rotates and simultaneously does work outwards. Steam turbines are the main equipment of modern thermal power plants and are also used in metallurgical industry, chemical industry and ship power plants.

The blade is one of the important parts of the steam turbine, when the existing steam turbine blade is produced, the position of the radiation hole of the blade at the blade crown is required to be detected, and after the detection is finished, other detection measuring tools are replaced. Obviously, the existing detection mode is difficult to detect, low in detection efficiency and poor in universality, and therefore, the problem needs to be solved urgently.

Disclosure of Invention

The utility model aims to provide a measuring tool for detecting a radiation hole of a blade shroud of a turbine blade, which aims to solve the problems of difficult detection, low detection efficiency and poor universality of the conventional detection of the radiation hole of the blade shroud in the prior art.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a steam turbine blade shroud radiation hole detection measuring tool, its includes, the detection measuring tool body includes support, regulation setting element, blade shroud equal altitude piece, blade root equal altitude piece, detection measuring rod, first fixed subassembly and second fixed subassembly, with the normal service condition definition first direction and the second direction of detection measuring tool body, the first direction end of support is provided with blade shroud equal altitude piece, the second direction end of support sets up on the blade root equal altitude piece, regulation setting element is adjustably followed support length direction sets up, be provided with a plurality of first fixed part along its length direction on the support, first fixed subassembly is configured to be in first fixed part department will await measuring the work piece along length direction location, the second direction end of support is provided with the second fixed part, the second fixed subassembly is configured to be in second fixed part will await measuring the work piece location, offer the detection through-hole that is used for detecting the radiation hole on the support, the detection measuring rod peg graft set up in the detection through-hole.

Further, the blade root equal-height block is fixed at the second direction end of the support through a fixing bolt, an internal threaded hole is formed in the blade root equal-height block, an external threaded end is formed in the fixing bolt corresponding to the internal threaded hole, and the blade root equal-height block is detachably fixed at the second direction end of the support through the cooperation of a threaded structure.

Further, the adjusting and positioning piece is detachably fixed on the support through an adjusting bolt.

Further, the first fixing assembly comprises a first fixing screw, a first positioning hole is formed in the support corresponding to the first fixing screw, the first fixing screw is detachably arranged in the first positioning hole, and the support and the workpiece to be tested are screwed or loosened by adjusting the first fixing screw.

Further, the second fixing component comprises a second fixing screw and a fixing key, a fixing groove is formed in the support corresponding to the fixing key, the fixing key is perpendicular to the length direction of the support, a second positioning hole is formed in the support corresponding to the second fixing screw, an inner threaded hole is formed in the positioning key in a penetrating mode, an outer threaded section is formed in the second fixing screw corresponding to the threaded hole, and the second fixing screw is locked in the inner threaded hole so as to fasten the fixing key in the fixing groove.

Compared with the prior art, the steam turbine blade shroud radiation hole detection measuring tool has the beneficial effects that the position of the adjustment positioning piece on the support is adjusted and adjusted by the adjustment positioning piece, the first fixing component and the second fixing component are additionally arranged, so that radiation holes with different specifications can be detected, the first fixing component and the second fixing component can conveniently and accurately position the to-be-measured tool, the operation is simple and convenient, the detection of the radiation holes with different specifications can be realized, the universality is good, and the accurate positioning of the to-be-measured tool can be conveniently and accurately positioned.

Drawings

FIG. 1 is a schematic front view of a turbine blade shroud radiation hole detection gauge according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of a turbine blade shroud radiation hole gauge according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a turbine blade shroud radiation hole detection gauge according to an embodiment of the present utility model.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment. 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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, in this embodiment, a steam turbine blade shroud radiation hole detection gauge includes a support 1, an adjustment positioning member 2, a shroud equal-height block 3, a blade root equal-height block 4, a detection rod 5, a first fixing component and a second fixing component 6, wherein the left end of the support 1 is disposed on the shroud equal-height block 3, the right end of the support 1 is disposed on the blade root equal-height block 4, the adjustment positioning member 2 is adjustably disposed along the length direction of the support 1, the adjustment positioning member 2 is detachably fixed on the support 1 through an adjustment bolt 7, a plurality of first fixing portions are disposed on the support 1 along the length direction thereof, the first fixing component is configured to position a workpiece 13 to be detected along the length direction at the first fixing portions, the right end of the support 1 is disposed with a second fixing portion, the second fixing component 6 is configured to position the workpiece 13 to be detected at the second fixing portions, the support 1 is provided with a detection through hole 8 for detecting the radiation hole, and the detection rod 5 is inserted and disposed in the detection through hole 8.

The blade root equal-height block 4 is fixed at the right end of the support 1 through the fixing bolt 9, an internal thread hole is formed in the blade root equal-height block 4, an external thread end is formed in the fixing bolt 9 corresponding to the internal thread hole, and the blade root equal-height block 4 can be detachably fixed at the right end of the support 1 through the cooperation of a thread structure.

The first fixing assembly comprises a plurality of first fixing screws 11, first positioning holes 12 are formed in the support 1 corresponding to the first fixing screws 11, the first fixing screws 11 are detachably arranged in the first positioning holes 12, and the support 1 and the workpiece 13 to be tested are screwed or loosened by adjusting the first fixing screws 11.

The second fixing assembly 6 comprises a second fixing screw 60 and a fixing key 61, wherein a fixing groove 10 is formed in the support 1 corresponding to the fixing key 61, the fixing key 61 is arranged along the width direction of the support 1, a second positioning hole 14 is formed in the support 1 corresponding to the second fixing screw 60, an internal threaded hole is formed in the fixing key 61 in a penetrating mode, an external threaded section is formed in the second fixing screw 60 corresponding to the internal threaded hole, and the second fixing screw 60 is locked in the internal threaded hole so as to fasten the fixing key 61 in the fixing groove 10.

Obviously, adjust setting element 2, first fixed subassembly and second fixed subassembly 6, adjust the position of setting element 2 on support 1 to detect the radiant hole of different specifications, first fixed subassembly and second fixed subassembly 6 can conveniently treat measuring tool and pinpoint, and not only easy and simple to handle, can realize detecting the radiant hole of different specifications, the commonality is good, can conveniently treat measuring tool and pinpoint moreover.

The turbine blade shroud radiation hole detection measuring tool is characterized in that when clamping: the blade root equal-height block 4 is fixed at the right end of the support through the fixing bolt 9, the support 1 is fixed through adjusting the positioning piece 2, the workpiece 13 to be measured is fixed on the support 1 along the length direction through adjusting the position of the first fixing screw 11, then the blade crown equal-height block 3 is placed below the workpiece 13 to be measured, so that the workpiece 13 to be measured is supported and adjusted to a specified measurement height position, the second fixing bolt 9 is adjusted, the fixing key 61 is locked in the fixing groove 10, the workpiece 13 to be measured is fixed on the support 1 along the width direction, after the positioning is finished, the detection measuring rod 5 is inserted into the detection through hole 8, so that the detection of the radiation holes is realized, and after the detection is finished, the measurement of the radiation holes of products with different specifications can be realized only by adjusting the positioning piece 2.

The above embodiments merely illustrate the basic principles and features of the present utility model, and the present utility model is not limited to the above examples, but can be variously changed and modified without departing from the spirit and scope of the present utility model, which is within the scope of the present utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a steam turbine blade shroud radiation hole detects measuring tool, includes the measuring tool body, its characterized in that: the measuring tool comprises a measuring tool body, a measuring rod, a first fixing component and a second fixing component, wherein the measuring tool body comprises a support, an adjusting and positioning piece, a blade root and other high blocks, the measuring rod, the first fixing component and the second fixing component are used for defining a first direction and a second direction in a normal use state of the measuring tool body, the first direction end of the support is provided with the blade root and other high blocks, the second direction end of the support is arranged on the blade root and other high blocks, the adjusting and positioning piece is adjustably arranged along the length direction of the support, a plurality of first fixing parts are arranged on the support along the length direction of the support, the first fixing component is configured to position a workpiece to be measured along the length direction at the first fixing parts, the second direction end of the support is provided with a second fixing part, the second fixing component is configured to position the workpiece to be measured at the second fixing parts, a detection through hole for detecting radiation holes is formed in the support, and the measuring rod is spliced and arranged in the detection through holes.

2. The turbine blade shroud radiation hole detection gauge according to claim 1, wherein the blade root contour block is fixed at the second direction end of the support by a fixing bolt, an internal threaded hole is formed in the blade root contour block, an external threaded end is formed in the fixing bolt corresponding to the internal threaded hole, and the blade root contour block is detachably fixed at the second direction end of the support by the cooperation of a threaded structure.

3. The turbine blade shroud radiation hole gauge according to claim 1, wherein said adjustment positioning member is removably secured to said support by an adjustment bolt.

4. The turbine blade shroud radiation hole detection gauge as set forth in claim 1, wherein the first fixing assembly includes a first fixing screw having a first positioning hole formed in the support corresponding to the first fixing screw, the first fixing screw being detachably disposed in the first positioning hole, and the support and the workpiece to be measured being tightened or loosened by adjusting the first fixing screw.

5. The turbine blade shroud radiation hole detection gauge according to claim 1, wherein the second fixing assembly comprises a second fixing screw and a fixing key, a fixing groove is formed in the support corresponding to the fixing key, the fixing key is arranged in the direction perpendicular to the length direction of the support, a second positioning hole is formed in the support corresponding to the second fixing screw, an internal threaded hole is formed in the fixing key in a penetrating mode, an external threaded section is formed in the second fixing screw corresponding to the threaded hole, and the second fixing screw is locked in the internal threaded hole to fasten the fixing key in the fixing groove.