CN112781851A - Axial tightness test device and method for baffle type parts - Google Patents
Axial tightness test device and method for baffle type parts Download PDFInfo
- Publication number
- CN112781851A CN112781851A CN202011626834.5A CN202011626834A CN112781851A CN 112781851 A CN112781851 A CN 112781851A CN 202011626834 A CN202011626834 A CN 202011626834A CN 112781851 A CN112781851 A CN 112781851A
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- ring
- tightness
- baffle
- bolt
- tightening
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Engines (AREA)
Abstract
The application belongs to the technical field of connection of aero-engines, and particularly relates to a device and a method for testing axial tightness of baffle type parts. The apparatus includes a baffle and a disk. The baffle is sequentially provided with a first connecting part, a second connecting part and a first hook; the tray is provided with a first connecting groove, a second connecting groove and a first hook mounting groove; the first puller bolt is arranged in the first threaded hole, the end part of the first puller bolt is abutted against one ring surface of the first tightness ring, and the other ring surface of the first tightness ring is abutted against the first connecting part of the baffle plate; the second puller bolt is arranged in the second threaded hole, the second tightness ring is arranged in the tightness ring mounting groove, the end part of the second puller bolt is abutted against one ring surface of the second tightness ring, and the other ring surface of the second tightness ring is abutted against the second connecting part of the baffle plate; first fixing bolt installs in first unthreaded hole, and its cooperation first fixation nut and clamp plate fixed connection, clamp plate are provided with the portion of hitching, and the portion of hitching articulates with the first couple that is located the baffle in the first couple mounting groove.
Description
Technical Field
The application belongs to the technical field of connection of aero-engines, and particularly relates to a device and a method for testing axial tightness of baffle type parts.
Background
When the bolt-free baffle of the aero-engine is designed, the axial tightness is an important design link of the baffle, and the bolt-free baffle type parts are matched through the tightness to ensure the stability of assembly and use. Because no bolt baffle adopts two tight degree designs more, influence each other between the tight degree, for the influence of axial tight degree when analysis baffle class part assembly and use, stability, the deformation stress of baffle and whether can produce plastic deformation when the different tight degree of analysis assembly need carry out tight degree analogue test to the baffle, the inspection baffle condition of warping.
The bolt-free baffle of the aero-engine is lack of a test structure capable of adjusting tightness, and is assembled through an original engine structural part at present for checking tightness and testing, but the bolt-free baffle does not have the function of adjusting tightness due to structural limitation of the engine, and requirements for different tightness cannot be realized by using engine parts.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The application aims to provide a device and a method for testing the axial tightness of baffle type parts, so as to solve at least one problem in the prior art.
The technical scheme of the application is as follows:
the application provides a baffle class part axial tightness test device in a first aspect, includes:
the baffle plate is sequentially provided with a first connecting part, a second connecting part and a first hook;
the disc is sequentially provided with a first connecting groove, a second connecting groove and a first hook mounting groove from the radial outer side to the radial inner side, the first connecting groove is internally provided with a first threaded hole, the second connecting groove is internally provided with a second threaded hole, the position matched with the second connecting groove is provided with a tightness ring mounting groove, and the position matched with the first hook mounting groove is provided with a first unthreaded hole; and
a first tightening bolt is installed in the first threaded hole, the end of the first tightening bolt abuts against one ring surface of a first tightness ring, and the other ring surface of the first tightness ring abuts against a first connecting part of the baffle plate;
a second puller bolt is arranged in the second threaded hole, a second tightness ring is arranged in the tightness ring mounting groove, the end part of the second puller bolt is abutted against one ring surface of the second tightness ring, and the other ring surface of the second tightness ring is abutted against the second connecting part of the baffle plate;
first fixing bolt install in the first unthreaded hole, first fixing bolt cooperation first fixation nut and clamp plate fixed connection, the clamp plate is provided with the portion of articulate, the portion of articulate with be located in the first couple mounting groove the first couple of baffle articulates.
Optionally, the first threaded hole, the second threaded hole and the first unthreaded hole correspond to each other, and a plurality of threaded holes are uniformly arranged along the circumferential direction of the disc.
Optionally, the first threaded hole, the second threaded hole and the first unthreaded hole are all uniformly arranged along the circumferential direction of the disc by 8.
Optionally, the first tightening bolt, the second tightening bolt and one side of the disc corresponding to the bolt head of the first fixing bolt are provided with mounting grooves convenient for assembly or adjustment.
Optionally, first puller bolt and second puller bolt all include screw thread section and polished rod section, first puller bolt pass through polished rod section tip with the anchor ring butt of first tight degree ring, second puller bolt pass through polished rod section tip with the anchor ring butt of second tight degree ring.
Optionally, the cross sections of the first tightness ring and the second tightness ring are L-shaped, and the tightness ring mounting groove is an L-shaped cross section groove.
Optionally, the platen is L-shaped in cross-section.
The second aspect of the present application provides a method for testing axial tightness of baffle type parts, based on the above mentioned device for testing axial tightness of baffle type parts, comprising:
according to the requirement of a baffle tightness test, obtaining the size L1 deformation amount delta L1 of a first connecting part of the baffle and the size L2 deformation amount delta L2 of a second connecting part of the baffle;
installing a first tightening bolt, a first tightening ring, a second tightening bolt, a second tightening ring, a first fixing bolt, a first fixing nut and a pressing plate on a disc, and adjusting the heights of the first tightening ring and the second tightening ring by rotating the first tightening bolt and the second tightening bolt to ensure that the axial height of a hanging part of a first connecting part and the pressing plate meets H1-L1 + delta L1 and the axial height of a hanging part of a second connecting part and the pressing plate meets H2-L2 + delta L2;
dismantle the clamp plate, the installation baffle, the rethread is first fixing bolt and first fixation nut with the clamp plate install the dish on, guarantee clamp plate and dish laminating.
The invention has at least the following beneficial technical effects:
the utility model provides a baffle class part axial tightness test device can realize the adjustable function of no bolt baffle class part tightness, can realize the not axial tightness state of baffle according to baffle class part axial tightness design, assembly and experimental demand.
Drawings
FIG. 1 is a schematic view of an axial tightness testing device for baffle type parts according to an embodiment of the present application;
FIG. 2 is a schematic view of a baffle of an axial tightness testing device for baffle type parts according to an embodiment of the present application;
FIG. 3 is a schematic side view of a disk of an apparatus for testing axial tightness of baffle-like components according to an embodiment of the present application;
FIG. 4 is a cross-sectional view of a disk of an axial tightness testing apparatus for baffle type components according to an embodiment of the present application;
FIG. 5 is another side schematic view of a disk of the baffle-like member axial tightness testing apparatus according to an embodiment of the present application;
FIG. 6 is a schematic view of a jacking bolt of a disc of the baffle type part axial tightness test device according to one embodiment of the present application;
fig. 7 is a disc assembly schematic view of an axial tightness test device for baffle type parts according to an embodiment of the present application.
Wherein:
1-a baffle plate; 2-a first tightness ring; 3-disc; 4-a first jacking bolt; 5-a second tightness ring; 6-a second puller bolt; 7-pressing a plate; 8-a first fixing nut; 9-first fixing bolt.
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. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application is described in further detail below with reference to fig. 1 to 7.
The first aspect of the application provides a baffle class part axial tightness test device, baffle 1 and dish 3.
Specifically, as shown in fig. 1, the baffle 1 is an annular part, and a first connecting part, a second connecting part and a first hook are sequentially arranged on the baffle 1 from the radial outer side to the radial inner side; first connecting groove, second connecting groove and first couple mounting groove have been seted up by radial outside to the inboard in proper order on dish 3, have seted up first screw hole in the first connecting groove, have seted up the second screw hole in the second connecting groove, and have seted up the tight ring mounting groove with the position of second connecting groove looks adaptation, have seted up first unthreaded hole with the position of first couple mounting groove looks adaptation. The first puller bolt 4 is installed in the first threaded hole, the end part of the first puller bolt 4 is abutted against one ring surface of the first tightness ring 2, and the other ring surface of the first tightness ring 2 is abutted against the first connecting part of the baffle plate 1; a second puller bolt 6 is arranged in a second threaded hole, a second tightness ring 5 is arranged in a tightness ring mounting groove, the end part of the second puller bolt 6 is abutted against one ring surface of the second tightness ring 5, and the other ring surface of the second tightness ring 5 is abutted against a second connecting part of the baffle plate 1; first fixing bolt 9 is installed in first unthreaded hole, and first fixing bolt 9 cooperates first fixation nut 8 and clamp plate 7 fixed connection, and clamp plate 7 is provided with the portion of hitching, and the portion of hitching is with the first couple that is arranged in baffle 1 of first couple mounting groove and articulates.
The utility model provides a baffle class part axial tightness test device, as shown in figure 2, baffle 1's first connecting portion have plane A, and first connecting portion pass through plane A and the laminating of first degree of tightness ring 2, and baffle 1's second connecting portion have plane B, and the laminating of second connecting portion pass through plane B and the laminating of second degree of tightness ring 5, and baffle 1's first couple has plane C, can laminate with the portion of hanging of clamp plate 7. Baffle 1 and dish 3 can be through the tang cooperation, adopt the tang cooperation relation that requires in the original structure.
In an embodiment of the present application, as shown in fig. 3 to 5, the disc 3 is an annular structure, a first connecting groove, a second connecting groove and a first hook mounting groove are correspondingly formed on one side of the disc 3 where the baffle 1 is assembled, and a plurality of first threaded holes, a plurality of second threaded holes and a plurality of first unthreaded holes which are formed in the corresponding grooves are radially and mutually corresponding, and may be uniformly formed in the circumferential direction of the disc 3. In this embodiment, first screw hole, second screw hole and first unthreaded hole all evenly set up 8 along 3 circumference on the dish. Advantageously, the other side of the plate 3 is also provided with a mounting groove, and the bolt heads of the first tightening bolt 4, the second tightening bolt 6 and the first fixing bolt 9 are arranged in the mounting groove of the plate 3, so that the assembly or adjustment of the bolts is convenient.
In one embodiment of the present application, as shown in fig. 6, the first tightening bolt 4 includes a threaded section and a polished rod section, the end surface of the polished rod section is a plane and can abut against the annular surface of the first tightening ring 2, the first tightening bolt 4 is installed in the threaded hole in the first connecting groove of the disk 3, the number of the first tightening bolt is the same as the number of the corresponding threaded holes on the disk 3, and the height of the first tightening bolt 2 is adjusted by adjusting the height of the first tightening bolt 4 at each position in the circumferential direction. In this embodiment, the second puller bolt 6 includes screw thread section and polished rod section, and the terminal surface of polished rod section is the plane, can with the anchor ring butt of second tightness ring 5, and second puller bolt 6 is installed in the screw hole in the second spread groove of dish 3, and quantity is the same with the screw hole quantity that corresponds on the dish 3, through the height of adjusting the second puller bolt 6 of each department of circumference, adjusts the height of second tightness ring 5.
In one embodiment of the present application, as shown in fig. 7, the first tightening ring 2 and the second tightening ring 5 are both ring-shaped parts having an L-shaped cross section, the tightening ring mounting groove is an L-shaped cross section, and the first tightening ring 2 and the second tightening ring 5 are in clearance fit with the disk 3 in the circumferential direction. In this embodiment, the pressing plate 7 is also an annular part having an L-shaped cross section.
The second aspect of the application provides a baffle part axial tightness test method, which is based on the baffle part axial tightness test device and comprises the following steps:
according to the requirement of the baffle tightness test, obtaining the size L1 deformation delta L1 of a first connecting part of the baffle 1 and the size L2 deformation delta L2 of a second connecting part;
installing a first tightening bolt 4, a first tightening ring 2, a second tightening bolt 6, a second tightening ring 5, a first fixing bolt 9, a first fixing nut 8 and a pressing plate 7 on a disc 3, and adjusting the heights of the first tightening ring 2 and the second tightening ring 5 by rotating the first tightening bolt 4 and the second tightening bolt 6 to ensure that the axial height of a hanging part of a first connecting part and the pressing plate 7 satisfies H1-L1 + Δ L1 and the axial height of a hanging part of a second connecting part and the pressing plate 7 satisfies H2-L2 + Δ L2;
The device and the method for testing the axial tightness of the baffle type parts can achieve the function of adjusting the tightness of the bolt-free baffle type parts, can adjust the different axial tightness states of the baffle according to the axial tightness design, assembly and test requirements of the baffle type parts, and achieve the test of the tightness of the baffle type parts of the aero-engine.
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 (8)
1. The utility model provides a baffle class part axial tightness test device which characterized in that includes:
the baffle plate (1) is sequentially provided with a first connecting part, a second connecting part and a first hook;
the disc (3) is sequentially provided with a first connecting groove, a second connecting groove and a first hook mounting groove from the radial outer side to the inner side, the first connecting groove is internally provided with a first threaded hole, the second connecting groove is internally provided with a second threaded hole, a tightness ring mounting groove is arranged at the position matched with the second connecting groove, and a first unthreaded hole is arranged at the position matched with the first hook mounting groove; and
a first tightening bolt (4) is installed in the first threaded hole, the end part of the first tightening bolt (4) is abutted against one ring surface of a first tightness ring (2), and the other ring surface of the first tightness ring (2) is abutted against a first connecting part of the baffle plate (1);
a second puller bolt (6) is installed in the second threaded hole, a second tightness ring (5) is installed in the tightness ring installation groove, the end part of the second puller bolt (6) is abutted against one ring surface of the second tightness ring (5), and the other ring surface of the second tightness ring (5) is abutted against a second connecting part of the baffle plate (1);
first fixing bolt (9) are installed in the first unthreaded hole, first fixing bolt (9) cooperate first fixation nut (8) and clamp plate (7) fixed connection, clamp plate (7) are provided with the portion of hitching, the portion of hitching with be located in the first couple mounting groove the first couple of baffle (1) articulates.
2. The baffle plate part axial tightness test device according to claim 1, wherein the first threaded hole, the second threaded hole and the first unthreaded hole correspond to each other and are uniformly arranged in a plurality along the circumferential direction of the disc (3).
3. The baffle plate part axial tightness test device according to claim 2, wherein the first threaded holes, the second threaded holes and the first unthreaded holes are all uniformly arranged in 8 numbers along the circumferential direction of the disc (3).
4. The baffle plate part axial tightness test device according to claim 3, wherein one side of the disc (3) corresponding to the bolt heads of the first tightening bolt (4), the second tightening bolt (6) and the first fixing bolt (9) is provided with an installation groove convenient for assembly or adjustment.
5. The baffle plate part axial tightness test device according to claim 1, wherein the first tightening bolt (4) and the second tightening bolt (6) comprise a threaded section and a polished rod section, the first tightening bolt (4) is abutted with the annular surface of the first tightness ring (2) through the end of the polished rod section, and the second tightening bolt (6) is abutted with the annular surface of the second tightness ring (5) through the end of the polished rod section.
6. The baffle plate part axial tightness test device according to claim 1, wherein the cross sections of the first tightness ring (2) and the second tightness ring (5) are L-shaped, and the tightness ring mounting groove is an L-shaped groove.
7. The baffle plate part axial tightness test device according to claim 1, wherein the cross section of the pressure plate (7) is L-shaped.
8. A baffle part axial tightness test method is based on the baffle part axial tightness test device of any one of claims 1 to 7, and is characterized by comprising the following steps:
according to the requirement of a baffle tightness test, obtaining the size L1 deformation delta L1 of a first connecting part of the baffle (1) and the size L2 deformation delta L2 of a second connecting part;
installing a first tightening bolt (4), a first tightening ring (2), a second tightening bolt (6), a second tightening ring (5), a first fixing bolt (9), a first fixing nut (8) and a pressing plate (7) on a disc (3), adjusting the heights of the first tightening ring (2) and the second tightening ring (5) by rotating the first tightening bolt (4) and the second tightening bolt (6), ensuring that the axial height of a hanging part of a first connecting part and the pressing plate (7) meets H1 ═ L1+ Δ L1, and the axial height of the hanging part of the second connecting part and the pressing plate (7) meets H2 ═ L2+ Δ L2;
the pressing plate (7) is detached, the baffle (1) is installed, the pressing plate (7) is installed on the disc (3) through the first fixing bolt (9) and the first fixing nut (8), and the pressing plate (7) is attached to the disc (3) in a fit mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626834.5A CN112781851A (en) | 2020-12-30 | 2020-12-30 | Axial tightness test device and method for baffle type parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626834.5A CN112781851A (en) | 2020-12-30 | 2020-12-30 | Axial tightness test device and method for baffle type parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112781851A true CN112781851A (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011626834.5A Pending CN112781851A (en) | 2020-12-30 | 2020-12-30 | Axial tightness test device and method for baffle type parts |
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| Country | Link |
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| CN (1) | CN112781851A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011220830A (en) * | 2010-04-09 | 2011-11-04 | Kurashiki Kako Co Ltd | Jig for testing characteristics of rubber bush |
| CN206515061U (en) * | 2017-02-10 | 2017-09-22 | 中国航发沈阳发动机研究所 | A kind of aero-engine complete machine rigid test device |
| CN207557009U (en) * | 2017-12-14 | 2018-06-29 | 中国航发沈阳发动机研究所 | Two fulcrum axial loading device of aero-engine |
| CN209043609U (en) * | 2018-12-16 | 2019-06-28 | 中国航发沈阳发动机研究所 | A kind of experimental rig of adjustable vane position and posture |
| CN210426963U (en) * | 2019-04-18 | 2020-04-28 | 中国航发沈阳发动机研究所 | Tightness adjusting device for baffle part test |
-
2020
- 2020-12-30 CN CN202011626834.5A patent/CN112781851A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011220830A (en) * | 2010-04-09 | 2011-11-04 | Kurashiki Kako Co Ltd | Jig for testing characteristics of rubber bush |
| CN206515061U (en) * | 2017-02-10 | 2017-09-22 | 中国航发沈阳发动机研究所 | A kind of aero-engine complete machine rigid test device |
| CN207557009U (en) * | 2017-12-14 | 2018-06-29 | 中国航发沈阳发动机研究所 | Two fulcrum axial loading device of aero-engine |
| CN209043609U (en) * | 2018-12-16 | 2019-06-28 | 中国航发沈阳发动机研究所 | A kind of experimental rig of adjustable vane position and posture |
| CN210426963U (en) * | 2019-04-18 | 2020-04-28 | 中国航发沈阳发动机研究所 | Tightness adjusting device for baffle part test |
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Application publication date: 20210511 |
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