CN214393339U - Processing positioner of processing steam turbine fires pressure guide vane constant head tank - Google Patents
Processing positioner of processing steam turbine fires pressure guide vane constant head tank Download PDFInfo
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- CN214393339U CN214393339U CN202120578558.3U CN202120578558U CN214393339U CN 214393339 U CN214393339 U CN 214393339U CN 202120578558 U CN202120578558 U CN 202120578558U CN 214393339 U CN214393339 U CN 214393339U
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Abstract
The utility model relates to a processing and positioning device for processing the positioning groove of a combustion pressure guide vane of a steam turbine, which aims to solve the problems of low processing precision, low processing qualification rate and slow tool setting speed of the positioning groove of the steam outlet side determined by the positions of the arc at the steam inlet side and the back arc of a steam passage of the existing combustion pressure guide vane and comprises a bottom plate, a feeler block, a first pressing and positioning piece, a second pressing and positioning piece, two first limiting columns and two second limiting columns, wherein the bottom plate is a rectangular plate body, one end of the feeler block close to the bottom plate is arranged on the upper end surface of the bottom plate, the second pressing and positioning piece is arranged on the upper end surface of the bottom plate close to the feeler block, the other end of the first pressing and positioning piece is arranged on the upper end surface of the bottom plate, the two second limiting columns are vertically arranged on the bottom plate close to the second pressing and positioning piece, two first spacing posts are vertically installed on the bottom plate. The utility model is used for steam turbine blade processing field.
Description
Technical Field
The utility model relates to a fire positioner who presses guide vane constant head tank, concretely relates to processing steam turbine fires processing positioner who presses guide vane constant head tank.
Background
The steam turbine 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 blade rows rotates, and simultaneously, the rotor does work outwards. The steam turbine is the main equipment of modern thermal power plant, is used in metallurgical industry, chemical industry and ship power plant, the steam turbine has a combustion pressure guide vane which is a precisely poured special vane, the processing position of the positioning groove at the steam outlet side needs to be determined by the arc at the steam inlet side and the back arc position of the steam passage, the positioning groove at the steam outlet side of the vane needs to be processed on a milling machine, the processing precision of the positioning groove at the steam outlet side of the vane is low, the processing qualified rate is low, and the tool setting speed is slow,
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the present constant head tank that the steam side was confirmed to the back arc position of firing pressure guide vane admission side circular arc and steam passage, nevertheless constant head tank machining precision is low, and the processing qualification rate is low, the slow problem of tool setting speed, and then provides a processing steam turbine fires processing positioner who presses guide vane constant head tank.
The utility model discloses a solve above-mentioned problem and the technical scheme who adopts is:
it includes the bottom plate, the feeler block, first compress tightly the setting element, the second compresses tightly the setting element, two first spacing posts and two spacing posts of second, the bottom plate is the rectangular plate body, the feeler block is close to bottom plate one end and installs on the up end of bottom plate, the second compresses tightly the setting element and is close to the feeler block and installs on the up end of bottom plate, the first setting element that compresses tightly is installed on the up end of bottom plate at the other end of bottom plate, two spacing posts of second are close to the second and compress tightly the setting element and vertically install on the bottom plate, two first spacing posts are vertical to be installed on the bottom plate between second spacing post and the first setting element that compresses tightly, the bottom plate is installed on the lathe workstation.
The utility model has the advantages that:
1. a positioning groove at the steam outlet side of a precisely cast guide blade is machined on a milling machine, a positioning device is designed according to the arc profile of the blade root of the blade, the arc of a large circular plate at the steam inlet side of two first limiting columns 3 is used for positioning, and the positioning is carried out by radial rays at the back of a steam passage through two second limiting columns 7. According to the fall there is the fixed block location of first compressing tightly setting element 4 at the blade shroud position, compress tightly setting element 5 through first compressing tightly setting element 4 and second and press tightly, and then fix a position the guide vane of precision casting through positioner to carry out the tool setting through setting block 2, guaranteed the processingquality and the stability of processing blade constant head tank through the positioner of this application. The technical requirement of processing is guaranteed in the constant head tank processing of steam outlet side through this application, has guaranteed simultaneously that the qualification rate of the constant head tank processing of steam outlet side reaches 100%, has improved machining precision and production efficiency simultaneously, and the tool setting is rectified fastly, and processing convenient operation is swift.
Drawings
Fig. 1 is a top view of the overall structure of the turbine combustion pressure guide vane.
Fig. 2 is a top view of the overall structure of the present invention.
Fig. 3 is a front view of the first pressing and positioning member 4.
Fig. 4 is a side view of the feeler block 2.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, and the embodiment of the positioning device for processing the positioning groove of the fuel pressure guide vane of the steam turbine includes a bottom plate 1, a feeler block 2, a first pressing and positioning piece 4, a second pressing and positioning piece 5, two first limiting columns 3 and two second limiting columns 7, wherein the bottom plate 1 is a rectangular plate, one end of the feeler block 2 close to the bottom plate 1 is installed on the upper end face of the bottom plate 1, the second pressing positioning piece 5 is installed on the upper end face of the bottom plate 1 close to the feeler block 2, the first pressing positioning piece 4 is installed on the upper end face of the bottom plate 1 at the other end of the bottom plate 1, the two second spacing columns 7 are vertically installed on the bottom plate 1 close to the second pressing positioning piece 5, the two first spacing columns 3 are vertically installed on the bottom plate 1 between the second spacing columns 7 and the first pressing positioning piece 4, and the bottom plate 1 is installed on a machine tool workbench.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the first pressing positioning piece 4 of the positioning device for processing the gas turbine fuel pressure guide vane positioning groove of the embodiment comprises a fixing block, a strip-shaped pressing plate and a first fastening bolt, wherein the fixing block is fixedly installed on the upper end surface of the bottom plate 1, the strip-shaped pressing plate is processed with a strip-shaped through hole along the length direction, and the first fastening bolt penetrates through the strip-shaped pressing plate and is in threaded connection with the fixing block. The other methods are the same as those in the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 and fig. 2, and the second pressing and positioning element 5 of the embodiment includes a triangular pressing plate and a second tightening bolt, pressing claws are processed on two corners of the triangular pressing plate, and the second tightening bolt penetrates through the triangular pressing plate and is installed on the bottom plate 1 in a threaded connection manner. The other methods are the same as those in the second embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 and 2, and the embodiment further includes two bottom plate positioning bolts 6, and the two bottom plate positioning bolts 6 are respectively installed on two ends of the bottom plate 1 arranged along the length direction. The base plate 1 is fixed on the workbench through two base plate positioning bolts 6. The other methods are the same as those in the first embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 2 and 4, and in the embodiment, the feeler block 2 is fixedly mounted on the bottom plate 1, and the feeler block 2 is provided with a rectangular tool setting measuring groove 2-1 along the length direction of the bottom plate 1. The other methods are the same as those in the first embodiment.
Principle of operation
Use the utility model discloses time install bottom plate 1 on the workstation of milling machine through two bottom plate positioning bolt 6, fix a position the circular arc back of the big plectane of steam admission side with two first spacing posts 3 location, fix a position in the radial circular arc groove in the back of steam passage through two spacing posts 7 of second. The pressure guide vane is clamped and positioned by the first pressing positioning piece 4 and the second pressing positioning piece 5, the cutter is set by the cutter setting block 2, and the position on the pressure guide vane, which corresponds to the rectangular cutter setting measuring groove 2-1 on the cutter setting block 2, is a processed positioning groove position. Through the positioning device provided by the application, the accurate processing of the blade positioning groove is guaranteed.
Claims (5)
1. The utility model provides a processing positioner of processing steam turbine fires pressure guide vane constant head tank which characterized in that: it comprises a bottom plate (1), an aligning block (2), a first pressing positioning piece (4), a second pressing positioning piece (5), two first limiting columns (3) and two second limiting columns (7), wherein the bottom plate (1) is a rectangular plate body, one end of the feeler block (2) close to the bottom plate (1) is installed on the upper end face of the bottom plate (1), the second pressing positioning piece (5) is installed on the upper end face of the bottom plate (1) close to the feeler block (2), the first pressing positioning piece (4) is installed at the other end of the bottom plate (1) and installed on the upper end face of the bottom plate (1), the two second spacing columns (7) are vertically installed on the bottom plate (1) close to the second pressing positioning piece (5), the two first spacing columns (3) are vertically installed on the bottom plate (1) between the second spacing columns (7) and the first pressing positioning piece (4), and the bottom plate (1) is installed on a machine tool workbench.
2. The machining positioning device for the positioning groove of the gas turbine combustion pressure guide vane according to claim 1, characterized in that: the first pressing positioning piece (4) comprises a fixing block, a strip-shaped pressing plate and a first fastening bolt, the fixing block is fixedly installed on the upper end face of the bottom plate (1), a strip-shaped through hole is formed in the strip-shaped pressing plate in a machining mode along the length direction, and the first fastening bolt penetrates through the strip-shaped pressing plate and is in threaded connection with the fixing block.
3. The machining positioning device for the positioning groove of the gas turbine combustion pressure guide vane according to claim 1, characterized in that: the second pressing positioning piece (5) comprises a triangular pressing plate and a second tightening bolt, pressing claws are processed on two corners of the triangular pressing plate, and the second tightening bolt penetrates through the triangular pressing plate and is installed on the bottom plate (1) in a threaded connection mode.
4. The machining positioning device for the positioning groove of the gas turbine combustion pressure guide vane according to claim 1, characterized in that: the novel base plate positioning device is characterized by further comprising two base plate positioning bolts (6), wherein the two base plate positioning bolts (6) are respectively installed at two ends of the base plate (1) arranged along the length direction.
5. The machining positioning device for the positioning groove of the gas turbine combustion pressure guide vane according to claim 1, characterized in that: the tool setting block (2) is fixedly arranged on the bottom plate (1), and a rectangular tool setting measuring groove (2-1) is processed on the tool setting block (2) along the length direction of the bottom plate (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120578558.3U CN214393339U (en) | 2021-03-22 | 2021-03-22 | Processing positioner of processing steam turbine fires pressure guide vane constant head tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120578558.3U CN214393339U (en) | 2021-03-22 | 2021-03-22 | Processing positioner of processing steam turbine fires pressure guide vane constant head tank |
Publications (1)
Publication Number | Publication Date |
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CN214393339U true CN214393339U (en) | 2021-10-15 |
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Family Applications (1)
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CN202120578558.3U Active CN214393339U (en) | 2021-03-22 | 2021-03-22 | Processing positioner of processing steam turbine fires pressure guide vane constant head tank |
Country Status (1)
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CN (1) | CN214393339U (en) |
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2021
- 2021-03-22 CN CN202120578558.3U patent/CN214393339U/en active Active
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