Inspection tool for inner diameter, outer diameter and position degree of positioning cover of aero-engine

Abstract

The utility model provides an aero-engine positioning cover internal and external diameter and position degree testing fixture, which comprises a bottom plate, a caliper gauge assembly, a position measuring tool and a plug gauge assembly are uniformly and fixedly arranged on the upper surface of the bottom plate in a detachable manner, and the position measuring tool is arranged between the caliper gauge assembly and the plug gauge assembly. Adjusting foot cups are detachably and fixedly installed at the four corners of the bottom face of the bottom plate respectively. According to the utility model, the inner and outer diameters of the aero-engine positioning cover and the size and position of each hole or groove can be rapidly determined. The inner diameter and the outer diameter of a product are rapidly detected through the clamping plate and the inner diameter plug gauge, the product is fixed and positioned through the position measuring tool, the size and the position of a groove are judged and limited through the square-head plug gauge, whether the size and the position degree of each hole in the outer circle of the product meet the drawing requirements or not is judged through the cylindrical plug gauge, and therefore rapid measurement and judgment of large-batch parts are achieved. The measuring efficiency is greatly improved, and the device plays a crucial role in the machining and measuring process of large-batch workpieces.

Description

Technical Field

[0001] The utility model relates to the field of precision instruments, and particularly to a gauge for measuring the inner and outer diameters and position degrees of an aviation engine positioning cover. Background Art

[0002] The aviation engine positioning cover is a high-precision product in large quantities. Therefore, during the production process, corresponding data measurement needs to be carried out on it.

[0003] However, the existing micrometers or coordinate measuring clamping and positioning take a long time, with extremely low efficiency. Moreover, the multi-point measurement operation is complex, and the operation method has a great influence. Also, it cannot meet the time efficiency requirements for factory batch shipments.

[0004] Therefore, it is very necessary to invent a gauge for measuring the inner and outer diameters and position degrees of an aviation engine positioning cover. Content of the Utility Model

[0005] In order to solve the above technical problems, the technical solution adopted by the gauge for measuring the inner and outer diameters and position degrees of an aviation engine positioning cover provided by the utility model is as follows: The gauge for measuring the inner and outer diameters and position degrees of an aviation engine positioning cover includes a bottom plate. Among them: Disassemblable and fixedly installed on the upper surface of the bottom plate are a caliper assembly, a position measuring tool, and a plug gauge assembly in a uniformly distributed manner, and the position measuring tool is located between the caliper assembly and the plug gauge assembly. At each of the four corners of the bottom surface of the bottom plate, an adjustable foot cup is disassemblably and fixedly installed.

[0006] Preferably, the caliper assembly includes a nylon hanging rack, a caliper master gauge, and a caliper snap gauge; on both sides above the nylon hanging rack, there are respectively provided notches corresponding to the caliper master gauge and the caliper snap gauge; the caliper master gauge and the caliper snap gauge are inserted and removed and installed at the corresponding notches of the nylon hanging rack.

[0007] Preferably, a simulated part is disassemblably and fixedly installed on the position measuring tool.

[0008] Preferably, the plug gauge assembly includes an internal diameter plug gauge, a square head plug gauge, a cylindrical plug gauge I, and a cylindrical plug gauge II, and the internal diameter plug gauge, the square head plug gauge, the cylindrical plug gauge I, and the cylindrical plug gauge II are uniformly and fixedly installed on the other side of the upper surface of the bottom plate.

[0009] Preferably, on both sides of the bottom plate, a handle is disassemblably and fixedly installed respectively, and on the surface of the bottom plate, there are provided holes for installing the internal diameter plug gauge, the square head plug gauge, the cylindrical plug gauge I, and the cylindrical plug gauge II, and the internal diameter plug gauge, the square head plug gauge, the cylindrical plug gauge I, and the cylindrical plug gauge II are disassemblably and fixedly installed in the corresponding holes.

[0010] Compared with the prior art, the advantages of the utility model are as follows:

[0011] The overall setting of the utility model can quickly determine the inner and outer diameters of the positioning cover of the aeroengine, as well as the dimensions and position tolerances of each hole or groove. The inner and outer diameters of the product are quickly detected by the clamping plate and the internal diameter plug gauge, and then the product is fixed and positioned by the position measuring tool. The size and position of the groove are determined and limited by the square head plug gauge, and then the dimensions and position tolerances of each hole on the outer circle of the product are determined by the cylindrical plug gauge to check whether they meet the requirements of the drawing, so as to realize the rapid measurement and determination of a large number of parts, greatly improve the measurement efficiency, and play a crucial role in the processing and measurement of a large number of workpieces. Brief Description of the Drawings

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the upper surface structure of the bottom plate of the utility model.

[0014] In the figure:

[0015] Bottom plate 1, position measuring tool 2, nylon hanging rack 3, clamping plate master gauge 4, clamping plate snap gauge 5, adjusting foot cup 6, simulated part 7, internal diameter plug gauge 9, square head plug gauge 10, cylindrical plug gauge 1 11, cylindrical plug gauge 2 12, handle 13. Detailed Embodiment

[0016] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solutions in the embodiments of the utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the utility model.

[0017] In the description of the embodiments, it should be noted that the orientation or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "back end", "both ends", "one end", "the other end", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In the description of the utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0018] The following further describes the present utility model with reference to the drawings:

[0019] Embodiment

[0020] Refer to Figure 1-2 For the diameter gauging fixture for the inner and outer diameters and position accuracy of the positioning cover of an aero-engine, it includes a bottom plate 1, which is used to integrate various clamping plates and go-no-go gauges on one platform for easy operation. Among them: on the upper surface of the bottom plate 1, a gauge component, a position measuring tool 2, and a plug gauge component are detachably and fixedly installed in a uniformly distributed manner, and the position measuring tool 2 is located between the gauge component and the plug gauge component. The position measuring tool 2 is used for fixing and positioning the product to facilitate subsequent operations. At each of the four corners of the bottom surface of the bottom plate 1, an adjusting foot cup 6 is detachably and fixedly installed.

[0021] The gauge component includes a nylon hanging rack 3, a clamping plate go gauge 4, and a clamping plate no-go gauge 5; on both sides above the nylon hanging rack 3, there are openings corresponding to the clamping plate go gauge 4 and the clamping plate no-go gauge 5; the clamping plate go gauge 4 and the clamping plate no-go gauge 5 are inserted and removed and installed at the corresponding openings of the nylon hanging rack 3; so as to pick up the clamping plate go gauge 4 and the clamping plate no-go gauge 5 during measurement, and at the same time collect the clamping plate go gauge 4 and the clamping plate no-go gauge 5 after measurement.

[0022] A simulated part 7 is detachably and fixedly installed on the position measuring tool 2.

[0023] The plug gauge component includes an internal diameter plug gauge 9, a square head plug gauge 10, a cylindrical plug gauge 11, and a cylindrical plug gauge 12, and the internal diameter plug gauge 9, the square head plug gauge 10, the cylindrical plug gauge 11, and the cylindrical plug gauge 12 are uniformly and fixedly installed on the other side of the upper surface of the bottom plate 1; so as to perform different data measurements on the positioning cover of the aero-engine.

[0024] On both sides of the bottom plate 1, there are detachably and fixedly installed handle 13, so as to provide a holding and applying force point for the operator when the whole is moved, and on the surface of the bottom plate 1, there are holes for installing internal diameter plug gauge 9, square head plug gauge 10, cylindrical plug gauge 1 11 and cylindrical plug gauge 2 12, and the internal diameter plug gauge 9, square head plug gauge 10, cylindrical plug gauge 1 11 and cylindrical plug gauge 2 12 are detachably and fixedly installed in the corresponding holes.

[0025] In this embodiment, during measurement, first use the clamping plate and the internal diameter plug gauge to determine the internal and external diameter dimensions, then directly put the product on the position measuring tool, use the square head plug gauge to position the angular direction, and then use the cylindrical plug gauge to determine the hole diameter and hole position degree, which is simple and clear.

[0026] Using the technical solution of the present invention, or those skilled in the art inspired by the technical solution of the present invention to design a similar technical solution and achieving the above technical effects shall fall within the protection scope of the present invention.

Claims

1. The inner and outer diameter and position inspection tool of the aircraft engine positioning cover is characterized by: The invention comprises a base plate (1), wherein: a caliper assembly, a position measuring tool (2) and a plug gauge assembly are evenly and detachably fixedly installed on the upper surface of the base plate (1), and the position measuring tool (2) is located between the caliper assembly and the plug gauge assembly; and an adjusting foot cup (6) is detachably fixedly installed at each of the four corners of the bottom surface of the base plate (1).

2. The aircraft engine positioning cover inner and outer diameter and position detection device according to claim 1, characterized in that: The caliper gauge assembly comprises a nylon hanger (3), a card plate through gauge (4) and a card plate stop gauge (5); notches corresponding to the card plate through gauge (4) and the card plate stop gauge (5) are respectively provided on two sides above the nylon hanger (3); the card plate through gauge (4) and the card plate stop gauge (5) are installed in the corresponding notches of the nylon hanger (3) by plugging and unplugging.

3. The aircraft engine positioning cover inner and outer diameter and position detection device according to claim 1, characterized in that: The position measuring tool (2) is detachably fixedly mounted with a simulation part (7).

4. The aircraft engine positioning cover inner and outer diameter and position detection device according to claim 1, characterized in that: The plug gauge assembly comprises an inner diameter plug gauge (9), a square head plug gauge (10), a cylindrical plug gauge (11) and a cylindrical plug gauge (12), and the inner diameter plug gauge (9), the square head plug gauge (10), the cylindrical plug gauge (11) and the cylindrical plug gauge (12) are evenly distributed and fixedly mounted on the other side of the upper surface of the base plate (1).

5. The aircraft engine positioning cover inner and outer diameter and position detection device as claimed in claim 4, characterized in that: Handles (13) are detachably fixedly mounted on both sides of the base plate (1), and holes for mounting an inner diameter plug gauge (9), a square head plug gauge (10), a cylindrical plug gauge 1 (11) and a cylindrical plug gauge 2 (12) are provided on the surface of the base plate (1). The inner diameter plug gauge (9), the square head plug gauge (10), the cylindrical plug gauge 1 (11) and the cylindrical plug gauge 2 (12) are detachably fixedly mounted in the corresponding holes.

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