Device for measuring thickness of part wall and embedded groove
By designing an embedded slot thickness measurement device, using mirror-symmetrically arranged double measuring claws and electronic digital displays, the problem of inaccurate measurement of the wall thickness and ring slot inner diameter of the channel housing parts is solved, and efficient and accurate measurement is achieved, satisfying the The processing requirement for minimum wall thickness under high pressures.
Patent Information
- Application Number
- CN202323086848.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-15
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-11-15
AI Technical Summary
The wall thickness and ring groove inner diameter of the channel shell parts in mechanical aviation systems are inaccurate and inefficient, which cannot meet the minimum wall thickness and sealing requirements under high pressure. Traditional digital graphics calipers cannot be fully measured, with low accuracy and low efficiency.
An embedded groove thickness measurement device is designed, using a mirror-symmetrical arrangement of double measuring claw structure, which can quickly replace the measuring claws, combined with an electronic digital display, realize high-precision and high-efficiency measurement, and use high-performance alloy tool steel material and pass through Quenching and tempering heat treatment to improve hardness and wear resistance.
It realizes high-precision measurement of the wall thickness of the part and the inner diameter of the ring groove, meets the needs of mass production and processing, has high measurement efficiency and good accuracy control, and can accurately detect the minimum wall thickness, improving production efficiency and product quality.
Smart Images
Figure CN222143991U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of thickness measurement, and in particular relates to a device for measuring the thickness of a part wall and an embedded groove. Background Art
[0002] Mechanical and aerospace system structural parts include many channel shell parts with rotating structures, see Figure 2 As shown in the figure, this type of part is a casting, which results in uneven wall thickness after processing, and there are requirements for controlling the diameter of the inner groove of the ring groove. Because the part needs to withstand a pressure of more than 18Mpa during use, there are requirements for minimum wall thickness and inner groove sealing of the ring groove. Due to the limitations of the part structure, when measuring the wall thickness and inner groove diameter of different parts, the dimensional measurement is inaccurate and inefficient.
[0003] According to the traditional measurement method, conventional digital calipers can only measure the wall thickness of such parts partially or cannot be measured, resulting in incomplete results and low accuracy. At the same time, different positions need to be measured, resulting in low measurement efficiency and failure to meet normal production and processing requirements. Utility Model Content
[0004] The purpose of the utility model is: the purpose of the utility model is to overcome the shortcomings of existing measurement means and provide an embedded groove thickness auxiliary measuring device. The caliper retains the advantages of the traditional caliper, changes the measuring claw structure, realizes the rapid replacement of different measuring claws, has high measurement efficiency, good precision control, stable and reliable quality, and meets the needs of mass production and processing with different measuring claws that can be quickly replaced digital calipers.
[0005] The technical solution of the utility model is: a device for measuring the thickness of a part wall and an embedded groove, comprising a caliper, a first measuring jaw, and a second measuring jaw; the upper end of the first measuring jaw has a double-ear piece structure, which cooperates with one of the outer measuring jaws of the caliper and is connected by screws; the upper end of the second measuring jaw has a double-ear piece structure, which cooperates with the other outer measuring jaw of the caliper and is connected by screws; the lower end of the first measuring jaw has a straight hook bent to the opposite side, and the lower end of the second measuring jaw has a straight hook bent to the opposite side.
[0006] In a possible embodiment, the first measuring claw and the second measuring claw have the same structure and are arranged in mirror symmetry. The double measuring claw structure arranged in mirror symmetry can realize the measurement of the embedded groove on the surface of the inner wall of the annular groove.
[0007] In a possible embodiment, the first measuring claw has a frame-shaped bend extending outward. This structure can realize the measurement of the wall thickness of complex rotary parts.
[0008] In a possible embodiment, the caliper also includes an electronic digital display capable of displaying measurement data in real time.
[0009] In a possible embodiment, the digital caliper can read 0.01 mm in resolution, and the measurement error of different measuring jaws is 0.01 mm, which can meet the requirement of 1 / 4 to 1 / 10 of the characteristic tolerance of the measured part.
[0010] In a possible embodiment, the caliper body, the first measuring jaw, and the second measuring jaw are made of high-performance alloy tool steel and are subjected to quenching and tempering heat treatment to improve their hardness and wear resistance.
[0011] The technical effect of the utility model is that the utility model has high measurement efficiency, good precision control, stable and reliable quality, and can meet the high-precision processing requirements of minimum wall thickness of mass-produced shell parts with casting channels. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the technical solution of the embodiments of the utility model, the following is a brief introduction to the drawings required for use in the embodiments of the utility model. It is obvious that the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.
[0013] Figure 1 is a schematic structural diagram of Example 1;
[0014] Figure 2 is a schematic structural diagram of Example 2;
[0015] Figure 3 is a measurement schematic diagram of Example 1;
[0016] Figure 4 It is a measurement schematic diagram of Example 2. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0018] The features and illustrative embodiments of various aspects of the utility model will be described in detail below. In the detailed description below, many specific details are proposed in order to provide a comprehensive understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the utility model by illustrating examples of the utility model. The utility model is by no means limited to any specific settings and methods proposed below, but covers any improvements, replacements and modifications of structures, methods, devices without departing from the spirit of the utility model. In the accompanying drawings and the following description, known structures and technologies are not shown to avoid unnecessary ambiguity in the utility model.
[0019] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other, and the embodiments can be referenced and cited to each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0020] Example 1
[0021] A device for measuring the thickness of a part wall and an embedded groove, such as Figure 2 , Figure 3 As shown, it includes, 1-rule body, 2-first measuring jaw, 3-second measuring jaw, the measuring jaw is connected to the ruler body with threads, and the electronic digital display is press-fitted with the size.
[0022] Main technical parameters of caliper
[0023] Measuring range: 0-200mm, resolution: 0.01mm, indication error: 0.01.
[0024] When measuring the wall thickness of a casting, place the part on the workbench and keep it still. Fit the measuring heads of measuring claws 2 and 3 tightly together, reset the measurement claws, fit the measuring claws to the wall thickness position of the dense part to be measured, read the value after the pusher digital display reaches the appropriate force, and measure different positions in the circumferential direction at the same position.
[0025] Example 2
[0026] Using the above steps, if Figure 2 , Figure 4 As shown, it includes 1-ruler, 4-first measuring jaw, 5-second measuring jaw, and measures the wall thickness of the part at multiple locations to find the minimum wall thickness location. After measuring the wall thickness, the first measuring jaws 3 and 4 are replaced to measure the diameter of the embedded groove.
[0027] The biggest advantage of this caliper is that it can realize different measurement functions and realize quick-change measuring jaws. It can measure the wall thickness and embedded groove diameter of castings with different shapes, and quickly replace the jaws, thereby improving the efficiency of detection work.
[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the field can easily think of various equivalent modifications or substitutions within the technical scope disclosed in the utility model, and these modifications or substitutions should be included in the protection scope of the utility model.
Claims
1. A device for measuring the thickness of a part wall and an embedded groove, characterized in that: It includes a caliper, a first measuring claw, and a second measuring claw; the upper end of the first measuring claw has a double-ear structure, which cooperates with one of the outer measuring claws of the caliper and is connected by screws; the upper end of the second measuring claw has a double-ear structure, which cooperates with the other outer measuring claw of the caliper and is connected by screws; the lower end of the first measuring claw has a straight hook bent to the opposite side, and the lower end of the second measuring claw has a straight hook bent to the opposite side.
2. A device for measuring the thickness of a part wall and an embedded groove according to claim 1, characterized in that: The first measuring claw and the second measuring claw have the same structure and are arranged in mirror symmetry, forming a double measuring claw structure arranged in mirror symmetry.
3. A device for measuring the thickness of a part wall and an embedded groove according to claim 1, characterized in that: The first measuring claw has a frame-shaped bend extending outward.
4. A device for measuring the thickness of a part wall and an embedded groove according to claim 1, characterized in that: The caliper also includes an electronic digital display capable of displaying measurement data in real time.
5. A device for measuring the thickness of a part wall and an embedded groove according to claim 4, characterized in that: In terms of resolution, the digital caliper can read 0.01mm, and the measurement error of different measuring jaws is 0.01mm, which can meet the 1 / 4 to 1 / 10 requirement of the characteristic tolerance of the measured parts.
6. A device for measuring the thickness of a part wall and an embedded groove according to claim 1, characterized in that: The caliper body, the first measuring jaw and the second measuring jaw are made of high-performance alloy tool steel and are subjected to quenching and tempering heat treatment to improve their hardness and wear resistance.