CN215810540U - Special measuring tool for arc five-fork blade root moving blade - Google Patents
Special measuring tool for arc five-fork blade root moving blade Download PDFInfo
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- CN215810540U CN215810540U CN202121651488.6U CN202121651488U CN215810540U CN 215810540 U CN215810540 U CN 215810540U CN 202121651488 U CN202121651488 U CN 202121651488U CN 215810540 U CN215810540 U CN 215810540U
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Abstract
The utility model relates to a special measuring tool for an arc five-fork blade root moving blade, which is characterized in that: comprises a bottom plate, a clamping module and a measuring sample plate; according to the clamping device, the clamping module is arranged on the upper surface of one end of the bottom plate to clamp the blade root part of the arc five-forked blade, stable clamping is realized in the width direction of the bottom plate with the arc surface attached to the positioning column and the pressing block, in addition, the finger joint plate is arranged on the arc surface of the positioning column, the clamping is ensured to be rapid, and meanwhile, the limiting of the arc five-forked blade is realized in the vertical direction; the retaining columns are arranged beside the clamping module, so that the arc-shaped five-forked blade is limited in the axial direction, and the clamping stability is ensured; the processing state of the arc five-fork blade root moving blade can be observed in more detail by arranging the measuring templates in the plurality of template clamping grooves on the bottom plate to measure a plurality of positions of the arc five-fork moving blade profile.
Description
Technical Field
The utility model relates to the technical field of moving blade measurement, in particular to a special measuring tool for an arc five-fork blade root moving blade.
Background
Aiming at the moving blade structures used on some steam turbines, a five-fork finger joint form is adopted for connecting and mounting the moving blade and the steam turbine, and the connecting form can be convenient for welding and reinforcing the steam turbine impeller by penetrating through a lacing bar during night disk mounting; in the production of the arc five-fork blade root moving blade, due to the special structure of the blade root part, when the profile is measured, the profile measuring tool must be consistent with the installation reference when the impeller is assembled, so that the turbine can be ensured to run stably without vibration.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a special measuring tool for an arc-shaped five-fork blade root moving blade, which can solve the problems of inconvenient clamping and low measuring efficiency when a profile of a general arc-shaped five-fork blade root moving blade is measured after production.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a special measuring tool of arc five-fork blade root moving blade which innovation point lies in: comprises a bottom plate, a clamping module and a measuring sample plate;
the bottom plate is of a cuboid structure, a plurality of sample plate clamping grooves for containing measurement sample plates are formed in the upper surface of the bottom plate along the extending direction, and the sample plate clamping grooves extend along the width direction of the bottom plate;
the clamping module is vertically arranged on the upper surface of the bottom plate, and the clamping module is positioned at a position, close to one end part, of the upper surface of the bottom plate; the clamping module comprises a positioning column, a pressing block, a top rod seat and a driving rod; the positioning column, the pressing block and the ejector rod seat are sequentially arranged in the width direction of the upper surface of the bottom plate; a first arc-shaped surface attached to the molded surface of the blade root position of the arc five-fork moving blade is arranged on one side edge of the positioning column, and a finger joint plate is arranged on the first arc-shaped surface, so that finger joint attachment between the blade root position of the arc five-fork moving blade and the first arc-shaped surface of the positioning column is realized; a gap for accommodating the blade root position of the arc-shaped five-forked blade is formed between the side edge of the pressing block and the first arc-shaped surface of the positioning column, a second arc-shaped surface attached to the molded surface of the blade root position of the arc-shaped five-forked blade is arranged on the side surface of the pressing block, and the blade root position of the arc-shaped five-forked blade is clamped through the gap formed between the second arc-shaped surface of the pressing block and the first arc-shaped surface of the positioning column; the ejector rod seat is provided with a threaded hole along the horizontal direction, the driving rod is provided with an external thread, and the driving rod is matched with the ejector rod seat to realize threaded connection and installation of the driving rod; one end of the driving rod is provided with a rotating handle, the other end of the driving rod is connected to one side face of the pressing block, the pressing block is driven to move along the horizontal direction, and clamping or loosening of the blade root position of the arc five-fork moving blade is achieved;
the measuring sample plates are provided with a plurality of measuring sample plates, and one side surface of each measuring sample plate is provided with a standard molded surface; the measuring sample plate is embedded into the bottom plate along the sample plate clamping groove in the bottom plate, and the molded surface of the clamped arc five-fork moving blade is measured.
Furthermore, a T-shaped groove is formed in the side face, connected with the driving rod, of the pressing block, a T-shaped block connected with the end portion of the driving rod is arranged in the T-shaped groove, and the T-shaped block is connected with the end portion of the driving rod through the T-shaped block and drives the pressing block to move.
Furthermore, a blocking column is arranged beside a gap formed by the positioning column and the pressing block on the clamping module and used for accommodating the blade root part of the arc-shaped five-fork blade, and the end part of the arc-shaped five-fork blade root moving blade is positioned through the blocking column.
The utility model has the advantages that:
1) according to the clamping device, the clamping module is arranged on the upper surface of one end of the bottom plate to clamp the blade root part of the arc five-forked blade, stable clamping is realized in the width direction of the bottom plate with the arc surface attached to the positioning column and the pressing block, in addition, the finger joint plate is arranged on the arc surface of the positioning column, the clamping is ensured to be rapid, and meanwhile, the limiting of the arc five-forked blade is realized in the vertical direction; the retaining columns are arranged beside the clamping module, so that the arc-shaped five-forked blade is limited in the axial direction, and the clamping stability is ensured; the processing state of the arc five-fork blade root moving blade can be observed in more detail by arranging the measuring templates in the plurality of template clamping grooves on the bottom plate to measure a plurality of positions of the arc five-fork moving blade profile.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of an arc five-fork blade root moving blade according to the present invention.
Fig. 2 is a schematic side view of the special measuring tool for the arc-shaped five-fork blade root moving blade of the present invention.
Fig. 3 is a schematic front view structural diagram of the special measuring tool for the arc five-fork blade root moving blade of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The special measuring tool for the arc-shaped five-fork blade root moving blade shown in fig. 1 to 3 comprises a base plate 1, a clamping module 2 and a measuring template 3.
The bottom plate 1 is a cuboid structure, a plurality of sample plate clamping grooves for containing measurement sample plates are arranged on the upper surface of the bottom plate 1 along the extending direction, and the sample plate clamping grooves extend along the width direction of the bottom plate.
The clamping module 2 is vertically arranged on the upper surface of the bottom plate 1, and the clamping module 2 is positioned on the upper surface of the bottom plate 1 close to one end part; the clamping module 2 comprises a positioning column 21, a pressing block 22, a top rod seat 23 and a driving rod 24; the positioning column 21, the pressing block 22 and the ejector rod seat 23 are sequentially arranged in the width direction of the upper surface of the bottom plate 1; a first arc-shaped surface attached to the profile of the blade root position of the arc five-fork moving blade is arranged on one side edge of the positioning column 21, and a finger-joint plate 211 is arranged on the first arc-shaped surface, so that finger-joint attachment between the blade root position of the arc five-fork moving blade and the first arc-shaped surface of the positioning column is realized; a gap for accommodating the blade root position of the arc-shaped five-forked blade is formed between the side edge of the pressing block 22 and the first arc-shaped surface of the positioning column 21, a second arc-shaped surface attached to the molded surface of the blade root position of the arc-shaped five-forked blade is arranged on the side surface of the pressing block 22, and the blade root position of the arc-shaped five-forked blade is clamped through the gap formed between the second arc-shaped surface of the pressing block 22 and the first arc-shaped surface of the positioning column 21; a threaded hole is formed in the ejector rod seat 23 along the horizontal direction, an external thread is formed in the driving rod 24, and the driving rod 24 is matched with the ejector rod seat 23 to achieve threaded connection and installation of the driving rod 24; one end of the driving rod 24 is provided with a rotating handle 25, the other end of the driving rod 24 is connected to one side surface of the pressing block 22, and the pressing block 22 is driven to move along the horizontal direction, so that clamping or loosening of the blade root position of the arc five-fork blade is realized.
The measuring sample plates 3 are provided with a plurality of measuring sample plates, and one side surface of each measuring sample plate 3 is provided with a standard molded surface; the measuring sample plate 3 is embedded into the bottom plate 1 along the sample plate clamping groove in the bottom plate, and the molded surface of the clamped arc five-fork moving blade is measured.
A T-shaped groove is formed in the side surface of the pressing block 22 connected with the driving rod 24, and a T-shaped block connected with the driving rod 24 is arranged in the T-shaped groove and connected with the driving rod 24 through the T-shaped block to drive the pressing block 22 to move.
And a retaining column 26 is arranged beside the gap between the positioning column of the clamping module 2 and the root part of the pressing block 22 for accommodating the arc-shaped five-fork blade, so that the end part of the arc-shaped five-fork blade is positioned through the retaining column.
The working principle of the utility model is as follows: according to the clamping device, the clamping module is arranged on the upper surface of one end of the bottom plate to clamp the blade root part of the arc five-forked blade, stable clamping is realized in the width direction of the bottom plate with the arc surface attached to the positioning column and the pressing block, in addition, the finger joint plate is arranged on the arc surface of the positioning column, the clamping is ensured to be rapid, and meanwhile, the limiting of the arc five-forked blade is realized in the vertical direction; the retaining columns are arranged beside the clamping module, so that the arc-shaped five-forked blade is limited in the axial direction, and the clamping stability is ensured; the processing state of the arc five-fork blade root moving blade can be observed in more detail by arranging the measuring templates in the plurality of template clamping grooves on the bottom plate to measure a plurality of positions of the arc five-fork moving blade profile.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a special measuring tool of arc five-fork blade root moving blade which characterized in that: comprises a bottom plate, a clamping module and a measuring sample plate;
the bottom plate is of a cuboid structure, a plurality of sample plate clamping grooves for containing measurement sample plates are formed in the upper surface of the bottom plate along the extending direction, and the sample plate clamping grooves extend along the width direction of the bottom plate;
the clamping module is vertically arranged on the upper surface of the bottom plate, and the clamping module is positioned at a position, close to one end part, of the upper surface of the bottom plate; the clamping module comprises a positioning column, a pressing block, a top rod seat and a driving rod; the positioning column, the pressing block and the ejector rod seat are sequentially arranged in the width direction of the upper surface of the bottom plate; a first arc-shaped surface attached to the molded surface of the blade root position of the arc five-fork moving blade is arranged on one side edge of the positioning column, and a finger joint plate is arranged on the first arc-shaped surface, so that finger joint attachment between the blade root position of the arc five-fork moving blade and the first arc-shaped surface of the positioning column is realized; a gap for accommodating the blade root position of the arc-shaped five-forked blade is formed between the side edge of the pressing block and the first arc-shaped surface of the positioning column, a second arc-shaped surface attached to the molded surface of the blade root position of the arc-shaped five-forked blade is arranged on the side surface of the pressing block, and the blade root position of the arc-shaped five-forked blade is clamped through the gap formed between the second arc-shaped surface of the pressing block and the first arc-shaped surface of the positioning column; the ejector rod seat is provided with a threaded hole along the horizontal direction, the driving rod is provided with an external thread, and the driving rod is matched with the ejector rod seat to realize threaded connection and installation of the driving rod; one end of the driving rod is provided with a rotating handle, the other end of the driving rod is connected to one side face of the pressing block, the pressing block is driven to move along the horizontal direction, and clamping or loosening of the blade root position of the arc five-fork moving blade is achieved;
the measuring sample plates are provided with a plurality of measuring sample plates, and one side surface of each measuring sample plate is provided with a standard molded surface; the measuring sample plate is embedded into the bottom plate along the sample plate clamping groove in the bottom plate, and the molded surface of the clamped arc five-fork moving blade is measured.
2. The special measuring tool for the arc-shaped five-fork blade root moving blade according to claim 1, wherein: a T-shaped groove is formed in the side face, connected with the driving rod, of the pressing block, a T-shaped block connected with the end portion of the driving rod is arranged in the T-shaped groove, and the T-shaped block is connected with the end portion of the driving rod through the T-shaped block and drives the pressing block to move.
3. The special measuring tool for the arc-shaped five-fork blade root moving blade according to claim 1, wherein: and a retaining column is arranged beside a gap formed by the positioning column and the pressing block on the clamping module and used for accommodating the blade root part of the arc-shaped five-fork blade, and the end part of the arc-shaped five-fork blade root moving blade is positioned through the retaining column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121651488.6U CN215810540U (en) | 2021-07-20 | 2021-07-20 | Special measuring tool for arc five-fork blade root moving blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121651488.6U CN215810540U (en) | 2021-07-20 | 2021-07-20 | Special measuring tool for arc five-fork blade root moving blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215810540U true CN215810540U (en) | 2022-02-11 |
Family
ID=80183084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121651488.6U Expired - Fee Related CN215810540U (en) | 2021-07-20 | 2021-07-20 | Special measuring tool for arc five-fork blade root moving blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215810540U (en) |
-
2021
- 2021-07-20 CN CN202121651488.6U patent/CN215810540U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |