CN220170148U - Measuring tool for tolerance size of hydraulic prop shell shape - Google Patents
Measuring tool for tolerance size of hydraulic prop shell shape Download PDFInfo
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- CN220170148U CN220170148U CN202321680149.XU CN202321680149U CN220170148U CN 220170148 U CN220170148 U CN 220170148U CN 202321680149 U CN202321680149 U CN 202321680149U CN 220170148 U CN220170148 U CN 220170148U
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- 238000001514 detection method Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a measuring tool for detecting the shape and the tolerance size of a hydraulic tappet housing, which structurally comprises a cylinder body, a plug gauge and a housing, and belongs to the technical field of machine manufacturing. Concave surfaces and pin holes are designed on through holes in the cylinder body, and go gauges and no-go gauges are designed on the plug gauges. During measurement, the shell boss is aligned with the concave surface of the cylinder and pushes the end face of the shell to be aligned with the end face of the cylinder, and the plug gauge is inserted into the pin hole of the cylinder, so that the plug gauge can penetrate through the pin hole of the shell and the pin hole of the cylinder, pass through the cylinder, and fail to pass through the cylinder. The utility model relates to a gauge for rapidly detecting the shape and position tolerance of a shell, which can detect whether a boss, a flat square and a pin hole on the shell are in the center of a part and in the tolerance relation between the boss, the flat square and the pin hole, can detect the size tolerance and the shape and position tolerance at the same time, is simple to operate and effectively ensures the machining precision of the shell size in the production process.
Description
Technical Field
The utility model relates to a detection measuring tool for the shape and tolerance size of a hydraulic prop casing, and belongs to the technical field of machine manufacturing.
Background
With the continuous development of automobile parts, the requirements on the quality of the parts are higher and higher, high-precision detection measuring tools are required for measuring the parts with high precision, and more use requirements are provided for the use of the measuring tools in the production process. On the premise of ensuring the quality, the gauge is convenient to use, simple to operate and capable of improving the production efficiency. The automobile parts are of various shapes, and after part of the parts are processed, special measuring tools are needed for measurement, in particular to parts which are provided with surfaces or holes of various shapes and have higher geometric tolerance requirements. In order to ensure the quality of products, the size and form and position tolerance of the parts must be detected at different times in the production process, according to the three-detection system in the national standard production detection requirement, the first detection, the self-detection and the final detection must be carried out in the processing process, if the traditional measuring tool is adopted for detecting the working efficiency, a great deal of time is needed for detecting the processing size of the parts by staff, the production efficiency is seriously affected, especially, the long-time working is carried out in mass production, the eyes are tired, the error is easily read, the measurement data is inaccurate, and the mass quality accidents and the scrapping of the parts possibly occur in serious cases; the correct use of the measuring tool has high requirements on operators, so that the labor cost is high; mass production of part gauges is also costly, resulting in cost increases that are not market competitive.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art measurement mode, and provides a technical measurement scheme which is reasonable in design, simple to operate and high in efficiency, and can finish detection of a plurality of form and position tolerances and dimensional tolerances at one time, so that errors caused by repeated measurement are avoided, the dimensional consistency in the whole part production process is effectively ensured, the product quality is further improved, and the production cost is reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a detection measuring tool of hydraulic prop casing body shape tolerance size, includes barrel (1), plug gauge (2) and casing (3), has symmetrical barrel concave surface and barrel pinhole on the inside through-hole of barrel, and the barrel concave surface is used for detecting the symmetry degree and the width dimension of casing boss, and the barrel pinhole is used for detecting the symmetry degree of casing pinhole; and the plug gauge is provided with a coaxial go gauge and a coaxial no-go gauge for detecting the symmetry degree and the dimensional tolerance of the shell pin hole. During measurement, the shell boss is aligned with the concave surface of the cylinder, the end face of the shell is pushed to be aligned with the end face of the cylinder, and the plug gauge is inserted into the pin hole of the cylinder, so that detection can be performed. During detection, the go gauge can penetrate through the shell pin hole and the barrel pin hole to be qualified, the go gauge cannot completely penetrate through the barrel to be unqualified, and the no-go gauge can enter the shell pin hole to be unqualified in dimensional tolerance.
As the preference of this scheme, design has symmetrical barrel concave surface and barrel pinhole on the barrel, and the barrel concave surface is used for detecting the symmetry and the width dimension of casing boss, and the barrel pinhole is used for detecting casing pinhole symmetry, has realized that it makes its manufacturing material obtain the maximum utilization as much.
As the preference of this scheme, the plug gauge has adopted the coaxial design of go gauge and no-go gauge, and coaxial design its purpose is labour saving and time saving reduces the error.
As the optimization of this scheme, this measuring tool can once only detect whether dimensional tolerance and form tolerance are qualified, and detection process is swift, easy operation improves work efficiency.
The beneficial effects of the utility model are as follows: compared with the prior art, the method has the advantages of simple operation, high efficiency, low detection cost, capability of simultaneously detecting the dimensional tolerance and the form and position tolerance, simple operation in the whole detection process, effective guarantee of the machining precision of the part size in the production process, better dimensional consistency after machining, and further improvement of the working efficiency and reduction of the production cost.
Drawings
FIG. 1 is a cross-sectional view of the design structure of the present utility model, in which: 1-cylinder, 2-plug gauge and 3-shell.
Fig. 2 is a structural view of a cylinder, in which: a-cylinder concave surface, B-cylinder pin hole and B-cylinder concave surface enlarged view.
Fig. 3 is a diagram of a plug gauge structure, in which: c-go gauge and d-go gauge.
Fig. 4 is a 3D structural view of the housing, in which: e-housing pin holes, f-housing bosses.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following description will refer to a specific embodiment in combination with the accompanying drawings.
As can be seen from fig. 1, a symmetrical cylinder concave surface (a) and a cylinder pin hole (b) are designed on the inner through hole of the cylinder (1), the cylinder concave surface (a) is used for detecting the symmetry degree and the dimensional tolerance of the shell boss (f), and the cylinder pin hole (b) is used for detecting the symmetry degree of the shell pin hole (e); and the plug gauge (2) is provided with a coaxial go gauge (c) and a coaxial no-go gauge (d) which are used for detecting the dimensional tolerance of the shell pin hole (e). During detection, the concave surfaces (a) of the shell bosses (f) and Ji Tongti are placed, the end surfaces of the shell are pushed to be aligned with the end surfaces of the cylinder, no clamping stagnation exists in the whole process of the shell bosses (f) in the pushing process, and at the moment, the detection results are that the dimensional tolerance and the symmetry of the shell bosses (f) are qualified, the shell bosses cannot enter or the clamping stagnation exists in the pushing process, and the shell bosses cannot be detected subsequently. And (3) detecting the shell pin hole (e) after the shell boss (f) is detected to be qualified, inserting the plug gauge (2) into the cylinder pin hole (b), and enabling the plug gauge (c) to penetrate through the shell pin hole (e) and the cylinder pin hole (b), so that the detection step is finished.
When the plug gauge (2) detects, when the go gauge (c) can penetrate through the shell pin hole (e) and the cylinder pin hole (b), the no-go gauge (b) cannot enter the shell pin hole (e), and at the moment, the symmetry degree and the dimensional tolerance of the shell pin hole (e) are qualified; when the go gauge (c) can penetrate through the shell pin hole (e) and the cylinder pin hole (b), the no-go gauge (b) can enter the shell pin hole (e) to be unqualified.
The inner through hole of the cylinder body (1) is coaxial with the outer circle, a cylinder body concave surface (a) and a cylinder body pin hole (b) which are designed on the through hole are respectively used for detecting a shell boss (f) and a shell pin hole (e), and the width of the cylinder body concave surface (a) is manufactured according to the dimensional tolerance of the shell boss (f) and is used for detecting the size and the symmetry degree of the shell boss (f); the cylinder pin holes (b) are manufactured according to the size requirement of the shell pin holes (e), and the sizes of the cylinder pin holes (b) are equal to the upper difference of the shell pin holes (e) and are used for detecting the symmetry degree of the shell pin holes (e).
And (3) checking whether the go gauge (c) and the no-go gauge (d) of the plug gauge (2) are qualified before measurement, namely, the size of the go gauge (c) is manufactured according to the lower difference size of the shell pin hole (e), and the size of the no-go gauge (d) is manufactured according to the upper difference size of the shell pin hole (e). The go gauge (c) and the no-go gauge (d) on the plug gauge (2) are coaxially designed, so that the use is convenient, the detection time is saved, and a certain constraint is provided for the dimensional tolerance; it is time consuming to insert twice if the designs are separated.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (1)
1. The utility model provides a detection measuring tool of hydraulic tappet casing bodily form tolerance size, includes barrel (1), plug gauge (2) and casing (3), characterized by: the through hole in the barrel body is provided with a symmetrical barrel body concave surface and a barrel body pin hole, the barrel body concave surface is used for detecting the symmetry degree and the width dimension of the boss of the shell body, and the barrel body pin hole is used for detecting the symmetry degree of the pin hole of the shell body; the plug gauge is provided with a coaxial go gauge and a coaxial no-go gauge which are used for detecting symmetry and dimensional tolerance of a shell pin hole; the shell boss is aligned with the concave surface of the cylinder body and is put in, the end face of the shell is pushed to be aligned with the end face of the cylinder body, and the plug gauge is inserted into the pin hole of the cylinder body in an aligned manner, so that detection can be performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321680149.XU CN220170148U (en) | 2023-06-29 | 2023-06-29 | Measuring tool for tolerance size of hydraulic prop shell shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321680149.XU CN220170148U (en) | 2023-06-29 | 2023-06-29 | Measuring tool for tolerance size of hydraulic prop shell shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170148U true CN220170148U (en) | 2023-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321680149.XU Active CN220170148U (en) | 2023-06-29 | 2023-06-29 | Measuring tool for tolerance size of hydraulic prop shell shape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170148U (en) |
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2023
- 2023-06-29 CN CN202321680149.XU patent/CN220170148U/en active Active
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