CN216912343U - Positioning device for universal turbine large blade sawing process head - Google Patents
Positioning device for universal turbine large blade sawing process head Download PDFInfo
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- CN216912343U CN216912343U CN202220681589.6U CN202220681589U CN216912343U CN 216912343 U CN216912343 U CN 216912343U CN 202220681589 U CN202220681589 U CN 202220681589U CN 216912343 U CN216912343 U CN 216912343U
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Abstract
A positioning device for a universal turbine large blade sawing process head relates to the technical field of turbines. The utility model aims to solve the problem that the processing precision of the blade is influenced because the positioning and clamping are not firm and reliable enough when the process head of the existing turbine blade is sawn off. The pressing mechanism is arranged at the upper end of the positioning block, the positioning rod is arranged on one side of the cushion block, and the pressing mechanism is arranged on the other side of the cushion block. The utility model is used for positioning the turbine blade.
Description
Technical Field
The utility model relates to the technical field of steam turbines, in particular to a positioning device for a universal turbine large blade sawing process head.
Background
The blades of the steam turbine are used as core components, and the processing precision of the blades seriously influences the operation of the whole steam turbine. In the process of machining the blade, after the blade root, the steam passage and other procedures of the blade are finished by five-axis machining, redundant process heads are left and must be sawn off, however, the positioning and clamping parts adopted in the process of sawing off the process heads are not firm and reliable enough at present, the machining quality of the blade is affected, the machining precision of the blade is low, and the operation of the whole steam turbine is affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a positioning device for a general turbine large blade sawing process head, which aims to solve the problem that the processing precision of a blade is influenced because the positioning and clamping are not firm and reliable enough when the existing turbine blade saws the process head.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a general turbine large blade sawing is positioner for technology head includes bottom plate, locating piece, cushion, location stick, hold-down mechanism and top tight mechanism, and the bottom plate level sets up, and the locating piece rigid coupling is in the one end of bottom plate up end, and the cushion rigid coupling is at the other end of bottom plate up end, and hold-down mechanism sets up in the upper end of locating piece, and the location stick sets up in one side of cushion, and the setting of top tight mechanism is at the opposite side of cushion.
Further, hold-down mechanism includes briquetting, gland nut, locating lever, bracing piece and round pin axle, and the locating lever setting is in one side of locating piece, and the upper end of locating lever is equipped with the screw thread section, and the locating lever setting is in the opposite side of locating piece, and the briquetting setting is in the upper end of locating piece, and the one end of briquetting is connected through the round pin rotation with the upper end of bracing piece, and the other end suit of briquetting is on the screw thread section, and gland nut adorns soon in the upper end of screw thread section and sets up on the up end of briquetting.
Furthermore, the other end of the pressing block is provided with a waist-shaped through hole, and the threaded section is inserted into the waist-shaped through hole.
Furthermore, a group of salient points are arranged on the lower end face of the pressing block along the length direction.
Furthermore, the upper end face of the positioning block is an inclined plane which is inclined downwards from one side to the other side.
Further, the pressing block is arranged in an inclined mode from the other end to one end.
Furthermore, the positioning rod and the supporting rod are respectively and vertically fixedly connected to the upper end face of the bottom plate.
Further, the puller mechanism comprises a locking block and a puller bolt, the locking block is arranged on the other side of the cushion block, the puller bolt is arranged on the side wall of the locking block in a rotating mode, and the tail end of the puller bolt faces towards the cushion block.
Further, the distance between the axis of the puller bolt and the upper end face of the bottom plate is larger than the distance between the upper end face of the cushion block and the upper end face of the bottom plate.
Furthermore, the positioning rod is vertically and fixedly connected to the upper end face of the bottom plate.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a positioning device for a universal turbine large blade sawing process head, which provides clamping and positioning for the blade process head to be sawn on a sawing machine, can effectively position and clamp the root part and the top part of a blade, has firm and reliable processing parts, accurate positioning, convenient and quick operation, improves the processing efficiency, ensures the consistency of products, shortens the processing period, simultaneously ensures the processing quality and the stability of the blade, ensures the processing precision of the blade and ensures the safe operation of a turbine unit.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a view from a-a in fig. 1.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the positioning device for a general turbine large blade sawing process head in the embodiment includes a bottom plate 1, a positioning block 2, a cushion block 3, a positioning rod 5, a pressing mechanism and a tightening mechanism, wherein the bottom plate 1 is horizontally arranged, the positioning block 2 is fixedly connected to one end of the upper end surface of the bottom plate 1, the cushion block 3 is fixedly connected to the other end of the upper end surface of the bottom plate 1, the pressing mechanism is arranged at the upper end of the positioning block 2, the positioning rod 5 is arranged on one side of the cushion block 3, and the tightening mechanism is arranged on the other side of the cushion block 3.
When the blade is positioned, the blade root is placed at the upper end of the cushion block 3, one side of the blade root leans against the positioning rod 5, the jacking mechanism jacks the other side of the blade root, the blade shroud is placed at the upper end of the positioning block 2, and the end of the blade shroud is compressed through the compressing mechanism, so that the blade is positioned and clamped, the process head is arranged at the outer side end of the positioning block 2 after clamping, and the process head is sawn off by using a sawing machine.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, the pressing mechanism of the embodiment includes a pressing block 4, a pressing nut 6, a positioning rod 9, a supporting rod 11 and a pin shaft 12, the positioning rod 9 is disposed on one side of the positioning block 2, a threaded section 10 is disposed at the upper end of the positioning rod 8, the positioning rod 9 is disposed on the other side of the positioning block 2, the pressing block 4 is disposed at the upper end of the positioning block 2, one end of the pressing block 4 is rotatably connected with the upper end of the supporting rod 11 through the pin shaft 12, the other end of the pressing block 4 is sleeved on the threaded section 10, and the pressing nut 6 is rotatably mounted at the upper end of the threaded section 10 and disposed on the upper end face of the pressing block 4. Other components and connection modes are the same as those of the first embodiment.
So design when placing the blade shroud end, at first place the blade shroud end on the up end of locating piece 2, then put down briquetting 4, the other end suit of briquetting 4 is in the outside of screw thread section 10 to through the jam nut 6 of rotating downwards, make briquetting 4 push down, and sticiss on the up end of blade.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 to fig. 3, the other end of the pressing block 4 of the embodiment is provided with a kidney-shaped through hole 4-1, and the threaded section 10 is inserted into the kidney-shaped through hole 4-1. Other components and connection modes are the same as those of the second embodiment.
The design is to prevent the pressing block 4 from colliding and interfering with the threaded section 10 when rotating around the pin 12.
The fourth concrete implementation mode: in the present embodiment, a set of protrusions 4-2 is provided on the lower end surface of the compact 4 in the longitudinal direction, as described with reference to fig. 1 to 3. Other components and connection modes are the same as those of the third embodiment.
According to the design, the pressing block 4 presses the upper end face of the blade through the salient point 4-2 after being pressed downwards.
The fifth concrete implementation mode: in the present embodiment, the upper end surface of the positioning block 2 is a slope inclined downward from one side to the other side, which is described with reference to fig. 1 to 3. The other components and the connection mode are the same as those of the fourth embodiment.
The molded line of the upper end surface of the positioning block 2 is consistent with the molded line of the lower part of the shroud end of the blade, so that the positioning is realized conveniently.
The sixth specific implementation mode is as follows: in the present embodiment, the pressing block 4 is provided to be inclined from the other end to the one end, as described with reference to fig. 1 to 3. The other components and the connection mode are the same as the fifth embodiment mode.
So designed to ensure that the pressure block 4 can compress the blade.
The seventh embodiment: in the present embodiment, the positioning rod 9 and the support rod 11 are vertically fixed to the upper end surface of the bottom plate 1, respectively, as described with reference to fig. 1 to 3. Other components and connection modes are the same as those of the second embodiment.
The specific implementation mode is eight: the embodiment is described with reference to fig. 1 to 3, the tightening mechanism of the embodiment includes a locking block 7 and a tightening bolt 8, the locking block 7 is disposed on the other side of the cushion block 3, the tightening bolt 8 is screwed on the side wall of the locking block 7, and the end of the tightening bolt 8 is disposed toward the cushion block 3. Other components and connection modes are the same as those of the first embodiment.
When the puller bolt 8 is locked, the tail end of the puller bolt 8 is propped against the other side of the blade root, so that the puller bolt is pulled tightly.
The specific implementation method nine: in the present embodiment, the distance between the axis of the tightening bolt 8 and the upper end surface of the base plate 1 is greater than the distance between the upper end surface of the spacer 3 and the upper end surface of the base plate 1, as described with reference to fig. 1 to 3. The other components and connection modes are the same as those of the eighth embodiment.
The detailed implementation mode is ten: the present embodiment will be described with reference to fig. 1 to 3, and the positioning rod 5 of the present embodiment is vertically fixed to the upper end surface of the base plate 1. Other components and connection modes are the same as those of the first embodiment.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A general turbine large blade saw off positioner for technology head which characterized in that: the novel positioning device comprises a bottom plate (1), a positioning block (2), a cushion block (3), a positioning rod (5), a pressing mechanism and a jacking mechanism, wherein the bottom plate (1) is horizontally arranged, the positioning block (2) is fixedly connected with one end of the upper end face of the bottom plate (1), the cushion block (3) is fixedly connected with the other end of the upper end face of the bottom plate (1), the pressing mechanism is arranged at the upper end of the positioning block (2), the positioning rod (5) is arranged on one side of the cushion block (3), and the jacking mechanism is arranged on the other side of the cushion block (3).
2. The positioning device for the universal turbine large blade sawing process head according to claim 1, characterized in that: hold-down mechanism includes briquetting (4), gland nut (6), locating lever (9), bracing piece (11) and round pin axle (12), locating lever (9) set up the one side in locating piece (2), the upper end of locating lever (9) is equipped with screw thread section (10), locating lever (9) set up the opposite side in locating piece (2), briquetting (4) set up the upper end in locating piece (2), the one end of briquetting (4) is connected through round pin axle (12) rotation with the upper end of bracing piece (11), the other end suit of briquetting (4) is on screw thread section (10), gland nut (6) are adorned soon in the upper end of screw thread section (10) and are set up on the up end of briquetting (4).
3. The positioning device for the universal turbine large blade sawing process head according to claim 2, characterized in that: the other end of the pressing block (4) is provided with a kidney-shaped through hole (4-1), and the threaded section (10) is inserted into the kidney-shaped through hole (4-1).
4. The positioning device for the universal turbine large blade sawing process head according to claim 3, characterized in that: a group of salient points (4-2) are arranged on the lower end face of the pressing block (4) along the length direction.
5. The positioning device for the universal turbine large blade sawing process head according to claim 4, characterized in that: the upper end surface of the positioning block (2) is an inclined surface which is inclined downwards from one side to the other side.
6. The positioning device for the universal turbine large blade sawing process head according to claim 5, characterized in that: the pressing block (4) is obliquely arranged from the other end to one end.
7. The positioning device for the universal turbine large blade sawing process head according to claim 2, characterized in that: the positioning rod (9) and the supporting rod (11) are respectively and vertically fixedly connected to the upper end face of the bottom plate (1).
8. The positioning device for the universal turbine large blade sawing process head according to claim 1, characterized in that: the jacking mechanism comprises a locking block (7) and a jacking bolt (8), the locking block (7) is arranged on the other side of the cushion block (3), the jacking bolt (8) is rotatably arranged on the side wall of the locking block (7), and the tail end of the jacking bolt (8) is arranged towards the cushion block (3).
9. The positioning device for the universal turbine large blade sawing process head according to claim 8, characterized in that: the distance between the axis of the puller bolt (8) and the upper end face of the bottom plate (1) is larger than the distance between the upper end face of the cushion block (3) and the upper end face of the bottom plate (1).
10. The positioning device for the universal turbine large blade sawing process head as claimed in claim 1, wherein: the positioning rod (5) is vertically and fixedly connected to the upper end face of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220681589.6U CN216912343U (en) | 2022-03-25 | 2022-03-25 | Positioning device for universal turbine large blade sawing process head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220681589.6U CN216912343U (en) | 2022-03-25 | 2022-03-25 | Positioning device for universal turbine large blade sawing process head |
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| CN216912343U true CN216912343U (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220681589.6U Active CN216912343U (en) | 2022-03-25 | 2022-03-25 | Positioning device for universal turbine large blade sawing process head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635322A (en) * | 2022-12-19 | 2023-01-24 | 山东电力设备有限公司 | Automatic wedge-shaped cushion block machining system and machining method |
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2022
- 2022-03-25 CN CN202220681589.6U patent/CN216912343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635322A (en) * | 2022-12-19 | 2023-01-24 | 山东电力设备有限公司 | Automatic wedge-shaped cushion block machining system and machining method |
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