CN210147531U - Special fixture for processing arc of heavy gas turbine blade - Google Patents
Special fixture for processing arc of heavy gas turbine blade Download PDFInfo
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- CN210147531U CN210147531U CN201920904984.4U CN201920904984U CN210147531U CN 210147531 U CN210147531 U CN 210147531U CN 201920904984 U CN201920904984 U CN 201920904984U CN 210147531 U CN210147531 U CN 210147531U
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Abstract
The utility model relates to a machinery clamping frock field specifically is a heavy combustion engine blade circular arc processing special fixture, including the base, install relative first supporting seat and the second supporting seat that sets up on the base, first supporting seat bottom is installed and is used for the exhaust limit locating piece that the work piece bottom was aimed at, and the sloping block is installed to first supporting seat upper end, installs the sloping block on the second supporting seat, and the inclined plane of sloping block sets up with the inclined plane of sloping block relatively, still installs the locking seat on the second supporting seat, installs the retaining member that is used for locking the work piece on the locking seat. The utility model discloses stabilize the clamping to heavy type gas turbine blade, improve the firm reliability of heavy type gas turbine blade circular arc course of working work piece, guarantee heavy type gas turbine's processingquality.
Description
Technical Field
The utility model relates to a machinery clamping frock field specifically indicates a heavy combustion engine blade circular arc processing special fixture.
Background
The turbine static blade for the heavy gas turbine is an important hot end part of a heavy fuel oil engine, the manufacturing core technology and the using method of the turbine static blade are always in an absolute technical blocking state abroad, and the turbine static blade has the characteristics of small size, complex structure (complex hollow), long service life, multi-fuel applicability and the like, the total service life is far longer than that of an aircraft engine blade, and the high-temperature material of the turbine static blade of the gas turbine has excellent organization and performance stability, oxidation resistance and thermal corrosion resistance. At present, the turbine stator blade for the heavy-duty gas turbine is only mastered by a few foreign companies and is used for technical blockade in China, but still is in the research and development level of laboratories, and still has a large number of technical problems of engineering application, such as the arc processing technology of the blade of the heavy-duty gas turbine, which need to be solved.
Because the heavy-duty gas turbine blade has a complex structure and is spliced into an inclined plane, and meanwhile, the arc processing surface and the inclined plane are not on the same surface, how to stably clamp the heavy-duty gas turbine blade becomes the direction of effort of technicians in the field.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model provides a heavy gas turbine blade circular arc processing special fixture. The utility model discloses stabilize the clamping to heavy type gas turbine blade, improve the firm reliability of heavy type gas turbine blade circular arc course of working work piece, guarantee heavy type gas turbine's processingquality.
For solving the above technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a heavy combustion engine blade circular arc processing special fixture, includes the base, install first supporting seat and the second supporting seat of relative setting on the base, the exhaust limit locating piece that is used for the work piece bottom to aim at is installed to first supporting seat bottom, the sloping block is installed to first supporting seat upper end, install the bracing piece on the second supporting seat, the inclined plane of sloping block sets up with the inclined plane of bracing piece relatively, still install the locking seat on the second supporting seat, install the retaining member that is used for locking the work piece on the locking seat.
As a preferred mode, the inclined supporting block is detachably connected with the second supporting seat.
As a preferred mode, a groove is formed in the side face, back to the first supporting seat, of the second supporting seat, and the inclined supporting block is clamped into the groove in the side face of the first supporting seat.
As a preferable mode, a spring pin is arranged on the inclined supporting block, and a positioning pin hole into which the spring pin is inserted is arranged in the groove of the first supporting seat.
As a preferable mode, the base is further provided with a positioning support, and the positioning support is provided with a positioning ball for pre-positioning the workpiece.
Preferably, the first support seat and the second support seat are provided with opposite through holes, and support rods for transversely penetrating through the workpiece to support the workpiece are inserted into the through holes.
Preferably, the second supporting seat is provided with a turning pressure plate which can turn over and limit the position of the workpiece relative to the side surface of the locking seat.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model can firmly clamp the heavy gas turbine blade, improve the stability and reliability of the workpiece in the arc processing process of the heavy gas turbine blade, and ensure the processing quality of the heavy gas turbine;
(2) the utility model sets the inclined supporting block and the second supporting seat as detachable connection, the workpiece slides into the first supporting seat and the second supporting seat in the clamping process, and then the inclined supporting block is installed, thereby avoiding the scratch of the heavy gas turbine blade caused by the over-hard matching of the inclined supporting block and the inclined pressing block in the clamping process;
(3) the utility model discloses be equipped with relative perforation on first supporting seat and the second supporting seat, wear in the perforation and be used for the traversing work piece to carry out the bracing piece that supports to the work piece. The supporting rod is transversely inserted into the middle of the workpiece to suspend and clamp the workpiece, the bottom of the workpiece is not influenced by gravity any more, and the bottom of a heavy gas turbine blade is prevented from being damaged during machining;
(4) the utility model discloses the second supporting seat has the upset clamp plate that can overturn restriction work piece position for the side-mounting of locking seat, and upset clamp plate cooperation locking seat forms both sides face device, and six positions of final work piece are all received the restriction in five other positions except the position unrestricted mechanism of top processing, have improved the reliable steadiness of clamping.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the clamping schematic diagram of the present invention.
Fig. 3 is a top view of the present invention.
The device comprises a base 1, a first supporting seat 2, an exhaust edge positioning block 3, a positioning support 4, an inclined supporting block 5, a locking seat 6, a second supporting seat 7, a spring positioning pin 8, an inclined pressing block 9, a supporting rod 10, an overturning pressing plate 11, a positioning seat 12 and a workpiece 13.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. Embodiments of the present invention include, but are not limited to, the following examples.
Example 1:
referring to fig. 1-3, a heavy combustion engine blade circular arc processing special fixture, including base 1, install first supporting seat 2 and the second supporting seat 7 of relative setting on the base 1, the exhaust limit locating piece 3 that is used for 13 bottoms of work pieces to aim at is installed to first supporting seat 2 bottom, the sloping block 9 is installed to first supporting seat 2 upper end, install sloping block 5 on the second supporting seat 7, the inclined plane of sloping block 9 sets up with the inclined plane of sloping block 5 relatively, still install the locking seat 6 on the second supporting seat 7, install the retaining member that is used for locking work piece 13 on the locking seat 6.
In this embodiment, the base 1 is used to provide a reference plane for the first support seat 2 and the second support seat 7, so as to ensure the reliability of the horizontal positions of the first support seat 2 and the second support seat 7, and the base 1 is generally plate-shaped, but may have other shapes. The first support seat 2 and the second support seat 7 are generally square, and can be provided with an auxiliary positioning device, the exhaust edge positioning block 3 at the bottom of the first support seat 2 is a plate-shaped element, the inclined pressing block 9 and the inclined supporting block 5 can be in a plate shape or a C shape, the inclined plane of the inclined pressing block 9 and the inclined plane of the inclined supporting block 5 are opposite to each other to position the two inclined planes of the heavy gas turbine blade, the inclined pressing block 9 is in the plate shape, the inclined supporting block 5 is in the C shape, and therefore the inclined pressing block 9 covers most of the workpiece 13 to be protected, the inclined supporting block 5 can reduce the weight and reduce the mass, so that the inclined supporting block can be conveniently disassembled and assembled, and the locking seat 6 and the locking piece can be used for locking in various ways, such as a spring or bolt locking way, and the implementation ways are more and are not described herein.
The clamping process comprises the following steps: the heavy-duty gas turbine blade slides into the space between the inclined pressing block 9 and the inclined supporting block 5, the inclined supporting block 5 supports the inclined edge of the bottom of the heavy-duty gas turbine blade, the inclined pressing block 9 limits the inclined edge of the bottom of the heavy-duty gas turbine blade, after the heavy-duty gas turbine blade slides into the bottom, the bottom edge of the heavy-duty gas turbine blade is aligned to the exhaust edge positioning block 3, and then the workpiece 13 is locked by the locking piece on the locking seat 6 to complete clamping.
Example 2:
the present embodiment is different from embodiment 1 in that the design is made to further improve the reliability of the jig.
The utility model provides a heavy combustion engine blade circular arc processing special fixture, which comprises a base 1, install relative first supporting seat 2 and the second supporting seat 7 that sets up on the base 1, the exhaust limit locating piece 3 that is used for 13 bottoms of work pieces to aim at is installed to 2 bottoms of first supporting seat, briquetting 9 is installed to 2 upper ends of first supporting seat, install bracing piece 5 on the second supporting seat 7, briquetting 9's inclined plane and bracing piece 5's inclined plane set up relatively to one side, still install locking seat 6 on the second supporting seat 7, install the retaining member that is used for locking work piece 13 on the locking seat 6.
In this embodiment, the base 1 is used to provide a reference plane for the first support seat 2 and the second support seat 7, so as to ensure the reliability of the horizontal positions of the first support seat 2 and the second support seat 7, and the base 1 is generally plate-shaped, but may have other shapes. The first support seat 2 and the second support seat 7 are generally square, and can be provided with an auxiliary positioning device, the exhaust edge positioning block 3 at the bottom of the first support seat 2 is a plate-shaped element, the inclined pressing block 9 and the inclined supporting block 5 can be in a plate shape or a C shape, the inclined plane of the inclined pressing block 9 and the inclined plane of the inclined supporting block 5 are opposite to each other to position the two inclined planes of the heavy gas turbine blade, the inclined pressing block 9 is in the plate shape, the inclined supporting block 5 is in the C shape, and therefore the inclined pressing block 9 covers most of the workpiece 13 to be protected, the inclined supporting block 5 can reduce the weight and reduce the mass, so that the inclined supporting block can be conveniently disassembled and assembled, and the locking seat 6 and the locking piece can be used for locking in various ways, such as a spring or bolt locking way, and the implementation ways are more and are not described herein.
Furthermore, in order to facilitate the detachment of the inclined supporting block 5 and the second supporting seat 7, the inclined supporting block 5 and the inclined pressing block 9 are prevented from being scratched to the heavy-duty gas turbine blade through the over-hard matching during clamping, and the inclined supporting block 5 and the second supporting seat 7 are detachably connected. After the inclined supporting block 5 and the second supporting seat 7 are detachably connected, the workpiece 13 slides into the first supporting seat 2 and the second supporting seat 7 in the clamping process, and the inclined supporting block 5 is installed, so that the heavy gas turbine blade is prevented from being scratched by the excessively hard matching of the inclined supporting block 5 and the inclined pressing block 9 in the clamping process.
Furthermore, in order to ensure the reliable support of the inclined supporting block 5, a groove is formed in the side surface of the second supporting seat 7, which is back to the first supporting seat 2, and the inclined supporting block 5 is clamped into the groove in the side surface of the first supporting seat 2. In order to prevent the inclined supporting block 5 from sliding in the groove, the inclined supporting block 5 is provided with a spring pin, a positioning pin hole for inserting the spring pin is arranged in the groove of the first supporting seat 2, and the inclined supporting block 5 is prevented from sliding relative to the second supporting seat 7 by inserting the spring pin into the positioning pin hole in the groove of the first supporting seat 2. When the workpiece 13 is clamped, the workpiece 13 slides into the first supporting seat 2 and the second supporting seat 7, then the inclined supporting block 5 is pushed slowly until the inclined edge of the top of the workpiece 13 is contacted with the inclined surface of the pressure relief block, and the purpose of flexibly clamping the heavy gas turbine blade to avoid damage is achieved.
Further, in order to quickly position the workpiece 13, a positioning support 4 is further mounted on the base 1, and a positioning ball for pre-positioning the workpiece 13 is mounted on the positioning support 4.
Furthermore, in order to avoid damage caused by bottom support of the workpiece 13, the first support seat 2 and the second support seat 7 are provided with opposite through holes, and support rods 10 for supporting the workpiece 13 by transversely penetrating the workpiece 13 are penetrated in the through holes. The support rod 10 is transversely inserted into the middle of the workpiece 13 to clamp the workpiece 13 in a suspension manner, the bottom of the workpiece 13 is not influenced by gravity any more, and the bottom of the blade of the heavy gas turbine is prevented from being damaged during machining.
Furthermore, the second supporting seat 7 is provided with a turnover pressing plate 11 capable of turning over to limit the position of the workpiece 13 relative to the side surface of the locking seat 6, the turnover pressing plate 11 is matched with the locking seat 6 to form a two-side-surface device, and finally, six positions of the workpiece 13 are limited except for a position limiting mechanism for top processing, and the other five positions are limited, so that the reliability and the stability of clamping are improved.
The embodiment of the present invention is the above. The above embodiments and the specific parameters in the embodiments are only for the purpose of clearly expressing the verification process of the utility model, and are not used to limit the patent protection scope of the present invention, the patent protection scope of the present invention is still subject to the claims, all the structural changes equivalent to the contents of the description and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a heavy combustion engine blade circular arc processing special fixture which characterized in that: including base (1), install first supporting seat (2) and second supporting seat (7) of relative setting on base (1), exhaust limit locating piece (3) that are used for work piece (13) bottom to aim at are installed to first supporting seat (2) bottom, briquetting (9) to one side is installed to first supporting seat (2) upper end, install bracing piece (5) to one side on second supporting seat (7), the inclined plane of briquetting (9) sets up with the inclined plane of bracing piece (5) to one side relatively, still install locking seat (6) on second supporting seat (7), install the retaining member that is used for locking work piece (13) on locking seat (6).
2. The special fixture for processing the arc of the blade of the heavy-duty combustion engine according to claim 1, wherein: the inclined supporting block (5) is detachably connected with the second supporting seat (7).
3. The special fixture for processing the arc of the blade of the heavy-duty combustion engine according to claim 2, wherein: the side of the second supporting seat (7) back to the first supporting seat (2) is provided with a groove, and the inclined supporting block (5) is clamped into the groove on the side of the first supporting seat (2).
4. The special fixture for processing the arc of the blade of the heavy-duty combustion engine according to claim 3, wherein: the inclined supporting block (5) is provided with a spring pin, and a positioning pin hole for inserting the spring pin is formed in the groove of the first supporting seat (2).
5. The special fixture for processing the arc of the blade of the heavy-duty gas turbine as claimed in any one of claims 1 to 4, wherein: still install locating support (4) on base (1), install on locating support (4) and be used for to work piece (13) predetermined location's location ball.
6. The special fixture for processing the arc of the blade of the heavy-duty gas turbine as claimed in any one of claims 1 to 4, wherein: the supporting device is characterized in that the first supporting seat (2) and the second supporting seat (7) are provided with opposite through holes, and supporting rods (10) used for transversely penetrating through a workpiece (13) to support the workpiece (13) penetrate through the through holes.
7. The special fixture for processing the arc of the blade of the heavy-duty gas turbine as claimed in any one of claims 1 to 4, wherein: and a turnover pressure plate (11) capable of turning over to limit the position of the workpiece (13) is arranged on the side surface of the second supporting seat (7) relative to the locking seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904984.4U CN210147531U (en) | 2019-06-14 | 2019-06-14 | Special fixture for processing arc of heavy gas turbine blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904984.4U CN210147531U (en) | 2019-06-14 | 2019-06-14 | Special fixture for processing arc of heavy gas turbine blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210147531U true CN210147531U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920904984.4U Active CN210147531U (en) | 2019-06-14 | 2019-06-14 | Special fixture for processing arc of heavy gas turbine blade |
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| Country | Link |
|---|---|
| CN (1) | CN210147531U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673496A (en) * | 2020-05-15 | 2020-09-18 | 成都飞机工业（集团）有限责任公司 | Flexible fixture with self-adaptive support and multi-point compression |
| CN112548176A (en) * | 2020-12-01 | 2021-03-26 | 哈尔滨汽轮机厂有限责任公司 | Steam turbine rotor blade fitting machining method |
| CN113953859A (en) * | 2021-12-21 | 2022-01-21 | 成都和鸿科技有限公司 | Six point positioning tool for blade |
-
2019
- 2019-06-14 CN CN201920904984.4U patent/CN210147531U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673496A (en) * | 2020-05-15 | 2020-09-18 | 成都飞机工业（集团）有限责任公司 | Flexible fixture with self-adaptive support and multi-point compression |
| CN112548176A (en) * | 2020-12-01 | 2021-03-26 | 哈尔滨汽轮机厂有限责任公司 | Steam turbine rotor blade fitting machining method |
| CN113953859A (en) * | 2021-12-21 | 2022-01-21 | 成都和鸿科技有限公司 | Six point positioning tool for blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 2899, Nanwu Road, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan 610100 Patentee after: Chengdu Hehong Technology Co.,Ltd. Address before: 610100 Donghang Road 458, Chengdu Economic and Technological Development Zone, Sichuan Province Patentee before: CHENGDU HONF TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |