CN215338269U - Meridian surface profile tolerance detection clamp for turbine shaft component - Google Patents
Meridian surface profile tolerance detection clamp for turbine shaft component Download PDFInfo
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- CN215338269U CN215338269U CN202121503583.1U CN202121503583U CN215338269U CN 215338269 U CN215338269 U CN 215338269U CN 202121503583 U CN202121503583 U CN 202121503583U CN 215338269 U CN215338269 U CN 215338269U
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Abstract
The utility model provides a meridian profile detection clamp for a turbine shaft component, which comprises a clamp bottom plate, a positioning mechanism and a supporting seat, wherein the positioning mechanism comprises mounting seats symmetrically arranged at two ends of the clamp bottom plate, and a region between the mounting seats is a clamping and positioning region of the turbine shaft component; through holes are respectively formed in the opposite end surfaces of the two mounting seats, positioning columns are arranged in the through holes, and compression springs are arranged between the end parts of the two positioning columns and the bottom surfaces of the through holes; the opposite end surfaces of the two positioning columns are welded with ejector pins and are coaxially arranged; the supporting seat is arranged in the clamping and positioning area and used for supporting the turbine shaft component. The positioning column has a simple structure and ingenious design, the gear can drive the positioning column meshed with the gear to move forward and backward only by pulling the wrench, the clamping and the unloading are very convenient, time and labor are saved, and the full-inspection requirement of a production line can be met.
Description
Technical Field
The utility model relates to the technical field of inspection fixtures, in particular to a meridian plane profile tolerance detection fixture for a turbine shaft component.
Background
The turbine is a rotary power machine which converts the energy of a flowing working medium into mechanical work. It is one of the main components of aircraft engines, gas turbines and steam turbines. When a turbine shaft part is processed, the profile degree of the turbine shaft part is required to be strictly controlled, and the current detection method is to use a three-dimensional element for measurement. The three-dimensional measuring instrument is mainly an instrument for measuring by taking points in three dimensions, and is also called a three-dimensional measuring machine, a three-dimensional measuring machine or a three-dimensional measuring instrument in the market. The main principle is as follows: the measured object is placed in a three-dimensional measurement space, the coordinate positions of the measured points on the measured object can be obtained, and the geometric size, shape and position of the measured object are calculated according to the space coordinate values of the points. Due to the particularity of the part structure, the measurement by using the three-dimensional element needs to be carried out for multiple times and multiple points, the existing clamp has a complex structure, the clamping step each time is complex, and the full inspection requirement of a production line cannot be met.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a meridian profile detection fixture for a turbine shaft component, so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides a meridian profile detection clamp for a turbine shaft component, which comprises a clamp bottom plate, a positioning mechanism and a supporting seat, wherein the positioning mechanism comprises mounting seats symmetrically arranged at two ends of the clamp bottom plate, and a region between the mounting seats is a clamping and positioning region of the turbine shaft component; through holes are respectively formed in the opposite end surfaces of the two mounting seats, positioning columns are arranged in the through holes, and compression springs are arranged between the end parts of the two positioning columns and the bottom surfaces of the through holes; the opposite end surfaces of the two positioning columns are welded with ejector pins and are coaxially arranged; the supporting seat is arranged in the clamping and positioning area and used for supporting the turbine shaft component.
As a preferable arrangement of the present invention, a sliding groove is formed on a circumferential surface of the positioning column, a limit pin inserted into the through hole is arranged at an upper end of the mounting seat, and a bottom of the limit pin is arranged in the sliding groove.
In a preferred embodiment of the present invention, the support base has an upper end surface provided with a groove adapted to the outer peripheral surface of the portion of the turbine shaft member to be supported.
As a preferable arrangement of the utility model, a circular cavity is arranged below a through hole in one mounting seat, rotating shafts are coaxially arranged on two sides of the mounting seat and the circular cavity, a gear is arranged on each rotating shaft, and a rack meshed with the gear is arranged below a positioning column in the through hole; the wrench is characterized by further comprising a rotary wrench which is located on the side wall of the mounting seat and fixedly connected with one end of the rotating shaft.
As a preferable configuration of the present invention, the mounting seat and the supporting seat are both fixed to the clamp base plate by screws.
As a preferable arrangement of the utility model, handles are symmetrically fixed on the end surfaces of the two ends of the clamp bottom plate, and the handles are arranged in an upward inclined manner.
The utility model has the beneficial effects that:
the turbine shaft component is supported by the supporting seat, and the thimbles at two ends are jacked into the inner walls at two ends of the turbine shaft component to realize positioning; meanwhile, the gear can drive the positioning column meshed with the gear to move forward and backward only by pulling the wrench, the clamping and the unloading are very convenient, time and labor are saved, and the full-inspection requirement of a production line can be met.
Drawings
FIG. 1 is a schematic structural view of a meridian profile detection clamp for a turbine shaft component provided by the utility model;
FIG. 2 is a top view of a meridian profile inspection fixture for a turbine shaft component provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments.
Example 1
Referring to fig. 1-2, as an embodiment of the utility model, the utility model provides a turbine shaft component meridian profile detection fixture, which comprises a fixture bottom plate 1, a positioning mechanism and a support base 2, wherein the positioning mechanism comprises mounting bases 3 symmetrically arranged at two ends of the fixture bottom plate 1, and a region between the mounting bases 3 is a clamping and positioning region of a turbine shaft component 4; through holes 5 are respectively formed in the opposite end surfaces of the two mounting seats 3, positioning columns 6 are arranged in the through holes 5, and compression springs 7 are arranged between the end parts of the two positioning columns 6 and the bottom surfaces of the through holes 5; the opposite end surfaces of the two positioning columns 6 are welded with ejector pins 8, and the two positioning columns 6 are coaxially arranged; the supporting seat 2 is arranged in the clamping and positioning area and used for supporting the turbine shaft component 4.
As a preferable arrangement of the embodiment of the present invention, a sliding groove 9 is provided on the circumferential surface of the positioning column 6, a limit pin 10 inserted into the through hole 5 is provided at the upper end of the mounting seat 3, and the bottom of the limit pin 10 is provided in the sliding groove 9.
As a preferable configuration of the embodiment of the present invention, the support base 2 is provided at an upper end surface thereof with a groove 11 that is fitted to an outer peripheral surface of a portion where the turbine shaft member 4 is supported.
As a preferable arrangement of the embodiment of the present invention, further, a circular cavity 12 is disposed below a through hole in one of the mounting seats 3, rotating shafts 13 are coaxially mounted on both sides of the mounting seat 3 and the circular cavity 12, a gear 14 is disposed on the rotating shaft 13, and a rack 15 engaged with the gear 14 is disposed below the positioning column 6 in the through hole 5; the device also comprises a rotary wrench 16 which is positioned on the side wall of the mounting seat 3 and is fixedly connected with one end of the rotating shaft 13.
As a preferable configuration of the embodiment of the present invention, the mounting seat 3 and the supporting seat 2 are fixed to the jig base plate 1 by screws 17.
As a preferable arrangement of the embodiment of the present invention, further, handles 18 are symmetrically fixed to both end faces of the clamp base plate 1, and the handles 18 are disposed to be inclined upward.
The turbine shaft part positioning device is simple in structure and ingenious in design, the turbine shaft part is supported by the supporting seat, the thimbles at two ends are jacked into the inner walls at two ends of the turbine shaft part to realize positioning, and a good clamping and positioning effect is achieved; meanwhile, the gear can drive the positioning column meshed with the gear to move forward and backward only by pulling the wrench, the clamping and the unloading are very convenient, time and labor are saved, and the full-inspection requirement of a production line can be met.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (6)
1. The meridian profile detection clamp for the turbine shaft component is characterized by comprising a clamp bottom plate, a positioning mechanism and a supporting seat, wherein the positioning mechanism comprises mounting seats symmetrically arranged at two ends of the clamp bottom plate, and a region between the mounting seats is a clamping and positioning region of the turbine shaft component; through holes are respectively formed in the opposite end surfaces of the two mounting seats, positioning columns are arranged in the through holes, and compression springs are arranged between the end parts of the two positioning columns and the bottom surfaces of the through holes; the opposite end surfaces of the two positioning columns are welded with ejector pins and are coaxially arranged; the supporting seat is arranged in the clamping and positioning area and used for supporting the turbine shaft component.
2. The jig for detecting meridian profile of a turbine shaft member of claim 1, wherein a sliding groove is formed in a circumferential surface of the positioning post, a stopper pin inserted into the through hole is disposed at an upper end of the mounting seat, and a bottom of the stopper pin is disposed in the sliding groove.
3. The jig for detecting meridian profile of a turbine shaft member of claim 1, wherein the upper end surface of the support base is provided with a groove that engages with an outer peripheral surface of a portion of the turbine shaft member to be supported.
4. The jig for detecting the meridian profile of a turbine shaft member of claim 1, wherein a circular cavity is provided below a through hole in one of the mount bases, a rotating shaft is coaxially provided with the circular cavity on both sides of the mount base, a gear is provided on the rotating shaft, and a rack engaged with the gear is provided below a positioning post in the through hole; the wrench is characterized by further comprising a rotary wrench which is located on the side wall of the mounting seat and fixedly connected with one end of the rotating shaft.
5. The clamp of claim 1, wherein the mounting block and the support block are each secured to the clamp base plate by screws.
6. The jig for testing meridian profile of a turbine shaft member of claim 1, wherein handles are symmetrically fixed to both end faces of the jig base plate, and the handles are disposed to be inclined upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121503583.1U CN215338269U (en) | 2021-07-05 | 2021-07-05 | Meridian surface profile tolerance detection clamp for turbine shaft component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121503583.1U CN215338269U (en) | 2021-07-05 | 2021-07-05 | Meridian surface profile tolerance detection clamp for turbine shaft component |
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| Publication Number | Publication Date |
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| CN215338269U true CN215338269U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121503583.1U Active CN215338269U (en) | 2021-07-05 | 2021-07-05 | Meridian surface profile tolerance detection clamp for turbine shaft component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023230772A1 (en) * | 2022-05-30 | 2023-12-07 | 玉环普天单向器有限公司 | Measurement device and method for straightness of planetary gear finished product |
-
2021
- 2021-07-05 CN CN202121503583.1U patent/CN215338269U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023230772A1 (en) * | 2022-05-30 | 2023-12-07 | 玉环普天单向器有限公司 | Measurement device and method for straightness of planetary gear finished product |
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