Device for inspecting size of drawn line
By designing a device that includes parts to be tested, reference parts, detection plates and fixing devices, the problem of inaccurate line drawing dimension detection caused by uneven edges of holes in the aviation and aerospace fields is solved, and a fast and accurate detection effect is achieved.
Patent Information
- Application Number
- CN202421848039.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-08-01
AI Technical Summary
In the aerospace and aerospace fields, the edges of parts with holes are uneven, resulting in inaccurate use of these edges as references for line drawing dimension detection.
A device for checking the drawing size of the line is designed. By combining the parts to be tested with the reference parts, and using the detection plate and fixing device, the matching of the gasket and nuts and bolts, the rapid detection of the drawing size is achieved.
The device is simple in structure and can quickly and accurately detect the line drawing size of the target part, solving the problem of inaccurate detection caused by uneven edges of the parts with holes.
Smart Images
Figure CN222938408U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of devices for detecting scribed line dimensions, and particularly relates to a device for inspecting scribed line dimensions. Background Art
[0002] With the development of science and technology in the fields of aviation and aerospace, more and more aircraft use various hatch covers or skins that are connected to the framework in a staggered connection method, one in front and one behind, and the reference for scribed line detection of holes is not on the parts with holes. Since the edges of the parts with holes are uneven, using the edges of the parts with holes as the reference for scribed line dimension detection will be inaccurate. Summary of the Utility Model
[0003] Aiming at the above problems, the purpose of the utility model is to provide a device for quickly inspecting scribed line dimensions with the edges of other parts as the reference.
[0004] The utility model is realized through the following technical solutions:
[0005] A device for inspecting scribed line dimensions includes a part to be measured and a reference part; the reference part is installed below the part to be measured; the device for inspecting scribed line dimensions further includes a first detection plate, a second detection plate, and a fixing device; the first detection plate is installed above the second detection plate through the fixing device, and the first detection plate and the second detection plate are arranged one in front and one behind in the horizontal direction; a gasket is arranged between the first detection plate and the second detection plate; the thickness of the gasket is greater than or equal to the thickness of the part to be measured; grooves are arranged in the centers of the first detection plate and the second detection plate; the fixing device includes a nut and a bolt; the bolt passes through the grooves in the centers of the first detection plate and the second detection plate and cooperates with the nut to connect the first detection plate and the second detection plate; the gasket is installed on the bolt between the first detection plate and the second detection plate; the number of the fixing devices is two; the first detection plate and the second detection plate have the same size.
[0006] Advantages of the Utility Model
[0007] The structure of the utility model is simple, and it can quickly detect the scribed line dimensions of the target part, which is convenient and fast. Description of the Drawings
[0008] The following further describes the utility model in detail with reference to the drawings.
[0009] Figure 1 is the structural schematic diagram of the utility model.
[0010] Figure 2 is the structural schematic diagram of the part to be measured and the reference part in the utility model.
[0011] Figure 3 is Figure 2Cross-sectional view taken along A-A in the middle.
[0012] As shown in the figure: 1 - part to be measured; 2 - reference part; 3 - first inspection plate; 4 - second inspection plate; 5 - nut; 6 - bolt; 7 - gasket. Specific implementation mode
[0013] The following specific embodiments illustrate the implementation mode of the present invention. Those skilled in this technology can easily understand other advantages and effects of the present invention from the content disclosed in this specification.
[0014] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the limiting conditions under which the present invention can be implemented. Therefore, they do not have a substantial technical meaning. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of description and are not used to limit the scope under which the present invention can be implemented. The change or adjustment of their relative relationship, without substantial change in the technical content, should also be regarded as the scope within which the present invention can be implemented.
[0015] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it 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. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations. It should be noted that the terms "including", "comprising" or any other variant are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not clearly listed, or also includes elements inherent in such a process, method, article or device.
[0016] As Figure 2 、 Figure 3 shown is a connection schematic diagram of the part 1 to be measured and the reference part 2. The reference part 2 is installed below the part 1 to be measured, and the edge of the part 1 to be measured is longer than the edge of the reference part 2.
[0017] As Figure 1 shown is a device for inspecting the scribed dimensions, including: the first inspection plate 3, the second inspection plate 4, and a fixing device.
[0018] The first detection plate 3 is installed above the second detection plate 4 through a fixing device, and the first detection plate 3 and the second detection plate 4 are arranged one in front of the other in the horizontal direction; a gasket 7 is arranged between the first detection plate 3 and the second detection plate 4; the thickness of the gasket 7 is greater than or equal to the thickness of the part 1 to be measured; the first detection plate 3 and the second detection plate 4 have the same size.
[0019] Grooves are arranged in the centers of the first detection plate 3 and the second detection plate 4; the fixing device includes a nut 5 and a bolt 6; the bolt 6 passes through the grooves in the centers of the first detection plate 3 and the second detection plate 4 and cooperates with the nut 5 to connect the first detection plate 3 and the second detection plate 4; the gasket 7 is installed on the bolt 6 between the first detection plate 3 and the second detection plate 4; the number of the fixing devices is two.
[0020] Working principle:
[0021] During use, select a suitable gasket 7 according to the thickness of the part 1 to be measured, that is, the thickness of the gasket 7 ≥ the thickness of the part 1 to be measured, and then adjust the relative positions of the first detection plate 3 and the second detection plate 4 one in front of the other to be the same as the length of the drawn line dimension L according to the length of the drawn line dimension L. Then fix the positions of the first detection plate 3 and the second detection plate 4 through the nut 5 and the bolt 6. The gasket 7 is installed between the first detection plate 3 and the second detection plate 4 to separate the first detection plate 3 and the second detection plate 4, and the separated gap is greater than or equal to the thickness of the part 1 to be measured. Then insert the part 1 to be measured into the gap between the first detection plate 3 and the second detection plate 4. Among them, the first detection plate 3 abuts against the edge of the reference part 2, and the position of the second detection plate 4 is the drawn line dimension, and then it can be detected whether the drawn line dimension on the part 1 to be measured meets the requirements.
[0022] The protection scope of the present utility model is not limited to the technical solutions disclosed in the specific embodiments. Any modifications, equivalent replacements, improvements, etc. made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.
Claims
1. A device for inspecting the size of a line drawing, comprising a part to be inspected (1) and a reference part (2); the reference part (2) is installed below the part to be inspected (1); characterized in that: The invention comprises a detection plate 1 (3), a detection plate 2 (4) and a fixing device; the detection plate 1 (3) is mounted above the detection plate 2 (4) by means of the fixing device, and the detection plate 1 (3) and the detection plate 2 (4) are arranged one after the other in a horizontal direction; a gasket (7) is arranged between the detection plate 1 (3) and the detection plate 2 (4); the thickness of the gasket (7) is greater than or equal to the thickness of the part to be tested (1).
2. A device for checking the size of a line drawing according to claim 1, characterized in that: The detection plate 1 (3) and the detection plate 2 (4) are both provided with a groove in the center; the fixing device comprises a nut (5) and a bolt (6); the bolt (6) passes through the groove in the center of the detection plate 1 (3) and the detection plate 2 (4) and cooperates with the nut (5) to connect the detection plate 1 (3) and the detection plate 2 (4); the gasket (7) is installed on the bolt (6) between the detection plate 1 (3) and the detection plate 2 (4).
3. A device for checking the size of a line according to claim 1 or 2, characterized in that: The number of the fixing devices is two.
4. A device for checking the size of a line drawing according to claim 1, characterized in that: The detection board 1 (3) and the detection board 2 (4) have the same size.