CN210426963U - Tightness adjusting device for baffle part test - Google Patents
Tightness adjusting device for baffle part test Download PDFInfo
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- CN210426963U CN210426963U CN201920530638.4U CN201920530638U CN210426963U CN 210426963 U CN210426963 U CN 210426963U CN 201920530638 U CN201920530638 U CN 201920530638U CN 210426963 U CN210426963 U CN 210426963U
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- tightness
- adjusting
- baffle
- annular base
- hole group
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Abstract
The application relates to a tightness adjusting device for baffle class part test, it includes: the annular base is provided with a first adjusting hole group, a second adjusting hole group and a fixed hole group which are arranged at different radial positions, and the baffle is arranged on the annular base; the pressing plate presses and holds the pressing and holding end face of the baffle, and the locking piece is arranged in the fixed hole group to keep the baffle on the annular base; the first tightness ring and the first adjusting piece are arranged in the first adjusting hole group, and the tightness state of the first tightness structure is adjusted through the movement of the first adjusting piece and the first adjusting hole group along the axial direction; the second tightness ring and the second adjusting piece are in contact with the second tightness structure through the second tightness ring, and the tightness state of the second tightness structure is adjusted through the second adjusting piece and the second adjusting hole group along the movement in the axis direction. This application has realized the adjustable function of no bolt baffle class part tightness, has realized the different tightness states of baffle.
Description
Technical Field
The application belongs to the technical field of aeroengines, and in particular relates to a tightness adjusting device for baffle part tests.
Background
As shown in fig. 1, the aircraft engine boltless barrier 30 is used for relative fixation of the blade 10 and the turbine disk 20, wherein the tightness is an important consideration of the barrier 30, and the barrier 30 ensures the assembly and the stability of the use of the blade 10 and the turbine annular base 10 through the tightness fit.
At present baffle 30 is many to realize blade 10 and turbine dish 20 fixed through two tight degree structures, baffle 30 bottom stretches into in the groove that turbine dish 20 was seted up, through elastic ring 40 and turbine dish 20 joint, tight degree structure respectively with blade 10 and turbine dish 20 elastic support, influence each other between tight degree structure, when first tight degree structure 31 is great with the tight degree of blade 10, the tight degree of second tight degree structure 32 then reduces relatively with the tight degree of turbine dish 20, when the tight degree of second tight degree structure 32 and turbine dish 20 is great, first tight degree structure 31 then is less relatively with the tight degree of blade 10.
In order to analyze the influence of the axial tightness during the assembly and use of the baffle 30, the stability of the baffle 30 and whether plastic deformation occurs during the assembly with different tightness are analyzed, and meanwhile, in order to analyze the stress caused by different assembly tightness, a tightness simulation test needs to be carried out on the baffle 30, and the deformation condition of the baffle 30 is checked.
If a real engine structure is adopted to carry out tightness inspection and test on the baffle 30, the engine structure is limited, so that the tightness adjustment function is not provided, and the tightness adjustment test cannot be realized by an original engine structure.
Disclosure of Invention
The application aims at providing a tightness adjusting device for testing baffle type parts, which is used for solving at least one problem in the prior art.
The technical scheme of the application is as follows: the utility model provides a baffle class part is experimental with tight degree adjusting device for the tight degree structure of first tightness structure and second of adjusting the baffle, tight degree adjusting device includes: the annular base is provided with a first adjusting hole group, a second adjusting hole group and a fixing hole group which are arranged at different radial positions, and the baffle is arranged on the annular base; the pressing plate presses and holds the pressing and holding end face of the baffle, and the locking piece is arranged in the fixing hole group to keep the baffle on the annular base; the first tightness ring and the first adjusting piece are arranged in the first adjusting hole group, are in contact with the first tightness structure through the first tightness ring, and move in the axial direction through the first adjusting piece and the first adjusting hole group so as to adjust the tightness state of the first tightness structure; the second tight degree ring and second regulating part, the second regulating part set up in the second regulation punch combination, and through the tight degree ring of second contact in the tight degree structure of second, through the second regulating part with the second is adjusted punch combination and is followed the ascending removal in axis direction and in order to adjust the tight degree state of the tight degree structure of second.
In an embodiment of the present application, the first adjusting hole group has a plurality of first adjusting holes, and the plurality of first adjusting holes are uniformly distributed along an axis of the annular base; the second adjusting hole group is provided with a plurality of second adjusting holes which are uniformly distributed along the axis of the annular base; the fixed hole group is provided with a plurality of fixed holes which are uniformly distributed along the axis of the annular base.
In an embodiment of the present application, the first tightness ring has a first contact portion contacting the first tightness structure and a first outer edge portion perpendicular to the first contact portion, and the first outer edge portion is in clearance fit with an outer edge of the annular base.
In an embodiment of the present application, the second tightness ring has a second contact portion contacting with the second tightness structure and a second outer edge portion perpendicular to the second contact portion, the annular base has a first groove for accommodating the second outer edge portion, and the second outer edge portion is in clearance fit with the first groove.
In an embodiment of the present application, the pressing plate has a pressing portion parallel to the first contact portion or the second contact portion and a third outer edge portion perpendicular to the pressing portion, the annular base has a second groove for accommodating the third outer edge portion, and the third outer edge portion and the pressing end surface of the baffle plate are fitted in the second groove.
The tightness adjusting device can achieve the adjustable function of tightness of the bolt-free baffle type parts, and can achieve different tightness states of the baffle according to assembly and test requirements of the baffle type parts.
Drawings
In order to more clearly illustrate the technical solutions provided by the present application, the following briefly introduces the accompanying drawings. It is to be expressly understood that the drawings described below are only illustrative of some embodiments of the invention.
Fig. 1 is a schematic view of a baffle installation structure in the prior art.
Fig. 2 is a schematic view of the structure of the baffle in the present application.
Fig. 3 is a schematic view of the tightness adjusting device of the present application.
Fig. 4 is a bottom view of the annular base of the present application.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application.
The application provides a can be used in experimental tight degree adjusting device of aeroengine baffle class part tight degree to solve among the prior art true engine structure and do not have tight degree regulatory function, and lack the adjustable tight degree adjustment mechanism's of baffle class part problem.
As shown in fig. 2, which is a schematic view of a half of the baffle structure, the baffle 30 is a ring-shaped member, and surrounds into a ring shape with an axis L. The body of the baffle 30 is roughly divided into a first elastic part 34 and a second elastic part 35 in the radial direction, two salient points, namely a first tightness structure 31 and a second tightness structure 32, are arranged on the body of the baffle 30, the first tightness structure 31 and the second tightness structure 32 divide the body of the baffle 30 into the first elastic part 34 and the second elastic part 35, the second elastic part 35 is roughly Z-shaped, a radial extending pressing part is arranged at the right bottom of the second elastic part 35, the pressing part is provided with a pressing end surface 33 in the axial direction, and the orientation of the pressing end surface 33 is opposite to that of the first tightness structure 31 and the second tightness structure 32.
In order to press and elastically adjust the baffle 30, as shown in fig. 3, the tightness adjusting device for the baffle part test comprises an annular base 1, a first tightness ring 2, a second tightness ring 3, a pressing plate 4, a first adjusting piece 5, a second adjusting piece 6 and a locking screw piece 7. The annular base 1 is of annular configuration having substantially the same axis L as the baffle 30. The ring base 1 has three sets of holes in radial positions, a first set of adjusting holes 11, a second set of adjusting holes 12 and a set of fixing holes 13, and the baffle 30 is placed on the ring base 1. The first tightness structure 31 of the baffle 30 is attached to the first tightness ring 2, the second tightness structure 32 of the baffle 30 is attached to the second tightness ring 3, and the pressing end face of the baffle 30 is attached to the pressing plate 4. The baffle 30 and the annular base 1 are matched through a spigot matching relation required in the original structure of the engine. The retaining member 7 passes through the annular base 1 and the pressure plate 4, and fixes the annular base 1 and the pressure plate 4 to hold the baffle 30 on the annular base 1. The upper end of the first adjusting member 5 is attached to the first tightness ring 2, and the height of the first adjusting member 5 and the first tightness ring 2 is adjusted by controlling the first adjusting member 5 and the first adjusting hole group 11 to move, so that the tightness state of the first elastic part 34 of the baffle 30 is adjusted. The second adjusting member 6 is attached to the second tightness ring 3, and the second adjusting member 6 and the second adjusting hole group 12 are controlled to move in a displacement manner, so that the heights of the second adjusting member 6 and the second tightness ring 3 are adjusted, and the tightness state of the second elastic part 335 of the baffle 30 is adjusted.
In this application, first regulation punch combination 11 has a plurality of first regulation holes, and first regulation hole is the screw hole, and a plurality of first regulation holes use the axis equipartition of annular base 1. Correspondingly, the first adjusting piece 5 adaptive to the first adjusting holes is provided with external threads (a bolt structure can be adopted), the bottom of the first adjusting piece 5 is a polished rod, the upper end face of the first adjusting piece is a plane, and the number of the first adjusting piece 5 is the same as that of the first adjusting holes.
Similarly, the second adjusting hole group 12 has a plurality of second adjusting holes, the second adjusting holes are threaded holes, and the plurality of second adjusting holes are uniformly distributed along the axis of the annular base 1. Correspondingly, the second adjusting parts 6 adaptive to the second adjusting holes are provided with external threads (a bolt structure can also be adopted), the bottom parts of the second adjusting parts 6 are polished rods, the upper end surfaces of the second adjusting parts 6 are planes, and the number of the second adjusting parts 6 is the same as that of the second adjusting holes.
The fixing hole group 13 has a plurality of fixing holes, wherein when the fixing holes can be threaded holes, the locking member 7 has external threads adaptive to the fixing holes, and the pressing plate 4 is fixed on the annular base 1 through the matching of the locking member 7 and the fixing holes. When the fixing hole is a through hole, the locking member 7 includes a locking bolt 71 and a locking nut 8, and the pressing plate 4 is fixed on the annular base 1 through the cooperation of the locking bolt 71 and the locking nut 8. Wherein, no matter what kind of structure of fixed orifices, a plurality of fixed orifices all with the axis equipartition of annular base 1.
In the present application, the first tightness ring 2 has a first contact portion 22 contacting the first tightness structure 31 and a first outer edge portion 21 disposed perpendicular to the first contact portion 22, so that the first outer edge portion 21 and the first contact portion 22 make the cross section of the first tightness ring 2 an L-shaped annular structure, and the first outer edge portion 21 is in clearance fit with the outer edge of the annular base 1 in the circumferential direction.
The second tightness ring 3 has a second contact portion 37 contacting the second tightness structure 32 and a second outer edge portion 36 disposed perpendicular to the second contact portion 37, so that the second outer edge portion 36 and the second contact portion 37 make the second tightness ring 3 have an L-shaped cross section, the annular base 1 has a first groove 14 for receiving the second outer edge portion 36, and the second outer edge portion 36 is in clearance fit with the first groove 14 in the circumferential direction.
The pressure plate 4 has a pressing portion 42 parallel to the first contact portion 22 or the second contact portion 37 and a third outer edge portion 41 disposed perpendicular to the pressing portion 42, whereby the third outer edge portion 41 and the pressing portion 42 make the cross section of the pressure plate 4 an L-shaped annular structure. The annular base 1 has a second groove 15 for accommodating the third outer edge 41, and the third outer edge 41 is fitted into the second groove 15 together with the press-holding end face 33 of the baffle 30.
It should be noted that the above-mentioned grooves are all circumferentially extending annular grooves, and are located on one side of the annular base 1. As shown in FIG. 4, the other side of the annular base 1 is a groove-shaped structure extending radially, each groove is provided with an adjusting hole and a fixing hole, and the groove-shaped structures are uniformly distributed in the circumferential direction.
The tightness adjusting device of the application respectively calculates the distance between the first tightness structure 31 and the second tightness structure 32 and the pressing end face 33 according to the tightness requirement of the baffle 30, and the height of the first tightness ring 2 and the second tightness ring 3 relative to the plane where the pressing plate 4 is attached to the baffle 30 is obtained. And installing the first tightness ring 2 and the second tightness ring 3, and installing the first adjusting piece 5 and the second adjusting piece 6 into corresponding adjusting holes on the annular base 1. Through the first regulating part 5 of each department of even regulation circumference, make first tightness ring 2 reach the height that requires, the second regulating part 6 of each department of even regulation circumference makes second tightness ring 3 reach the height that requires. Then, the baffle 30 is installed, the pressing plate 4 is installed, and the locking piece 7 penetrates through the fixing holes of the annular base 1 and the fixing holes of the pressing plate 4, so that the pressing plate 4 is ensured to be attached to both the baffle 30 and the annular base 1.
Finally, the elastic change of the baffle 30 is grasped by attaching strain gauges to the surfaces of the first elastic portion 34 and the second elastic portion 35 of the baffle 30 to measure the strain of the baffle 30.
The tightness adjusting device can achieve the adjustable function of tightness of the bolt-free baffle type parts, and can achieve different tightness states of the baffle according to assembly and test requirements of the baffle type parts.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a tight degree adjusting device for baffle class part is experimental for tight degree structure (31) of first tightness and tight degree structure (32) of second of adjusting the baffle (30), its characterized in that, tight degree adjusting device includes
The annular base (1), the annular base (1) has a first adjusting hole group (11), a second adjusting hole group (12) and a fixing hole group (13) with different radial positions, and the baffle (30) is arranged on the annular base (1);
the baffle plate fixing device comprises a pressing plate (4) and a locking piece (7), wherein the pressing plate (4) presses and holds a pressing and holding end face (33) of the baffle plate (30), and the locking piece (7) is arranged in the fixing hole group (13) to keep the baffle plate (30) on the annular base (1);
the first tightness ring (2) and the first adjusting piece (5), the first adjusting piece (5) is arranged in the first adjusting hole group (11), is contacted with the first tightness structure (31) through the first tightness ring (2), and adjusts the tightness state of the first tightness structure (31) through the movement of the first adjusting piece (5) and the first adjusting hole group (11) along the axial direction;
second tight degree ring (3) and second regulating part (6), second regulating part (6) set up in second regulation punch combination (12), and through second tight degree ring (3) contact in second tight degree structure (32), through second regulating part (6) with second regulation punch combination (12) are in order to adjust along the ascending removal of axis direction the tight degree state of second tight degree structure (32).
2. The tightness adjusting device for baffle plate part test of claim 1, characterized in that the first adjusting hole group (11) has a plurality of first adjusting holes which are uniformly distributed along the axis of the annular base (1);
the second adjusting hole group (12) is provided with a plurality of second adjusting holes which are uniformly distributed along the axis of the annular base (1);
the fixed hole group (13) is provided with a plurality of fixed holes which are uniformly distributed along the axis of the annular base (1).
3. The tightness adjusting device for testing baffle type parts according to claim 2, wherein the first tightness ring (2) is provided with a first contact portion (22) contacted with the first tightness structure (31) and a first outer edge portion (21) vertically arranged with the first contact portion (22), and the first outer edge portion (21) is in clearance fit with the outer edge of the annular base (1).
4. The tightness adjusting device for baffle plate part test of claim 3, wherein the second tightness ring (3) is provided with a second contact portion (37) contacted with the second tightness structure (32) and a second outer edge portion (36) vertically arranged with the second contact portion (37), the annular base (1) is provided with a first groove (14) for accommodating the second outer edge portion (36), and the second outer edge portion (36) is in clearance fit with the first groove (14).
5. The tightness adjusting device for testing baffle type parts according to claim 4, wherein the pressure plate (4) has a pressing portion (42) parallel to the first contact portion (22) or the second contact portion (37) and a third outer edge portion (41) perpendicular to the pressing portion (42), the annular base (1) has a second groove (15) for accommodating the third outer edge portion (41), and the third outer edge portion (41) and the pressing end surface (33) of the baffle plate (30) are fitted in the second groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920530638.4U CN210426963U (en) | 2019-04-18 | 2019-04-18 | Tightness adjusting device for baffle part test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920530638.4U CN210426963U (en) | 2019-04-18 | 2019-04-18 | Tightness adjusting device for baffle part test |
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| Publication Number | Publication Date |
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| CN210426963U true CN210426963U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920530638.4U Active CN210426963U (en) | 2019-04-18 | 2019-04-18 | Tightness adjusting device for baffle part test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781851A (en) * | 2020-12-30 | 2021-05-11 | 中国航发沈阳发动机研究所 | Axial tightness test device and method for baffle type parts |
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2019
- 2019-04-18 CN CN201920530638.4U patent/CN210426963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781851A (en) * | 2020-12-30 | 2021-05-11 | 中国航发沈阳发动机研究所 | Axial tightness test device and method for baffle type parts |
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