CN215413552U - Bevel gear centre bore hole depth degree detects frock - Google Patents
Bevel gear centre bore hole depth degree detects frock Download PDFInfo
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- CN215413552U CN215413552U CN202122149433.1U CN202122149433U CN215413552U CN 215413552 U CN215413552 U CN 215413552U CN 202122149433 U CN202122149433 U CN 202122149433U CN 215413552 U CN215413552 U CN 215413552U
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- bevel gear
- seat
- hole depth
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- 238000001514 detection method Methods 0.000 claims abstract description 29
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000013461 design Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a bevel gear center hole depth detection tool which comprises a detection mechanism and a plurality of standard sample hole seats, wherein the standard sample hole seats are used for assisting the detection mechanism to establish a central standard zero position, the detection mechanism comprises a dial indicator and a measuring seat, the dial indicator comprises a dial plate, a measuring rod arranged on the lower side of the dial plate and a measuring ball head arranged at the lower end of the measuring rod, the measuring rod is fixed in the measuring seat, and the measuring ball head penetrates through the measuring seat and is positioned outside the measuring seat. The bevel gear center hole depth detection tool has the advantages of scientific design, simplicity and convenience in operation and high detection efficiency, can realize high-precision control of the center hole depth, and can control the center consistency within 0.05 mm, so that a solid foundation is laid for high-precision requirements of axial dimensions of shaft parts in subsequent turning, hobbing, grinding and later-stage assembly.
Description
Technical Field
The utility model relates to the field of gear inspection, in particular to a bevel gear center hole depth detection tool.
Background
Bevel gears, also known as bevel gears, are widely used in industrial transmission equipment, vehicle differentials, locomotives, ships, power plants, steel mills, railway track inspection, and the like. In order to meet the precision requirements of the axial size of a shaft member in subsequent turning, hobbing, grinding and later assembly, a central hole of a bevel gear needs to be measured in the production process of the bevel gear so as to ensure high-precision control of the depth of the central hole and center consistency.
In order to solve the above problems, people are always seeking an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a bevel gear center hole depth detection tool.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a bevel gear centre bore hole depth degree detects frock, includes detection mechanism and a plurality of standard appearance hole seat, standard appearance hole seat is used for the assistance detection mechanism establishes central standard zero-bit, detection mechanism includes percentage table and measuring seat, the percentage table includes the dial plate, sets up in the measuring stick of dial plate downside and sets up in the measurement bulb of measuring stick lower extreme, the measuring stick is fixed in the measuring seat, the measurement bulb passes the measuring seat just is located the outside of measuring the seat.
Based on the above, the standard sample hole seat is of a circular truncated cone structure, the upper side and the lower side of the circular truncated cone structure are respectively provided with the standard central hole grooves with different outer diameters, the outer end diameter of each standard central hole groove is larger than the inner end diameter, and the outer end and the inner end of each standard central hole groove are connected through the inclined planes.
Based on the above, the center of the measuring seat is provided with a through hole, the side part of the measuring seat is provided with a plurality of threaded holes, the upper part of the through hole is provided with a protective spacer corresponding to the measuring rod, the upper part of the inner end communication hole of each threaded hole is internally provided with a fastening bolt, and the inner end of the fastening bolt tightly pushes the protective spacer.
Based on the above, the inner diameter of the upper part of the through hole is smaller than the inner diameter of the lower part of the through hole, a step is formed at the junction position of the upper part and the lower part of the through hole, and the lower end of the protective spacer is positioned on the step.
Based on the above, the measuring seat is of a circular truncated cone structure, the outer diameter of the measuring seat is the same as that of the standard sample hole seat, and the height of the measuring seat is equal to that of the measuring rod.
Based on the above, the inclination angle of at least one of the inclined surfaces is 60 °.
Based on the above, the outer diameter of the measuring ball head is 8-10 mm.
Compared with the prior art, the bevel gear center hole depth detection tool has substantial characteristics and progress, and particularly provides the bevel gear center hole depth detection tool. The bevel gear center hole depth detection tool has the advantages of scientific design, simplicity and convenience in operation and high detection efficiency, can realize high-precision control of the center hole depth, and can control the center consistency within 0.05 mm, so that a solid foundation is laid for high-precision requirements of axial dimensions of shaft parts in subsequent turning, hobbing, grinding and later-stage assembly.
Drawings
FIG. 1 is a schematic view of the structure of the detecting mechanism of the present invention.
FIG. 2 is a schematic diagram of a modular well block according to the present invention.
In the figure: 1. a dial indicator; 2. a measuring rod; 3. measuring a ball head; 4. a measuring seat; 5. a through hole; 6. protecting the spacer bush; 7. fastening the bolt; 8. a standard sample well base; 9. a standard central bore slot; 10. an inclined surface.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
As shown in fig. 1-2, a bevel gear center hole depth detection tool comprises a detection mechanism and a plurality of standard sample hole seats 8, wherein the standard sample hole seats 8 are used for assisting the detection mechanism to establish a central standard zero position, the detection mechanism comprises a dial indicator 1 and a measurement seat 4, the dial indicator 1 comprises a dial plate, a measurement rod 2 arranged on the lower side of the dial plate and a measurement ball 3 arranged at the lower end of the measurement rod 2, the measurement rod 2 is fixed in the measurement seat 4, and the measurement ball 3 penetrates through the measurement seat 4 and is located outside the measurement seat 4.
The measuring method is a relative measuring method, namely, a sample hole is taken as a standard, a measuring part is placed on a standard sample hole seat, a measuring ball head is required to be tangent to a 60-degree cone of a central hole, the meter of the measuring part is zeroed (namely, a central standard zero position is established), then the measuring part is placed on a measured center, and the deviation value of the measured central hole and the standard hole can be obtained, so that the aim of controlling the central hole to be consistent is fulfilled. The detection method can be popularized and used in production and places needing consistent control, such as conical surfaces, inclined surfaces, dovetail grooves, T-shaped grooves and the like.
The bevel gear center hole depth detection tool has the advantages of scientific design, simplicity and convenience in operation and high detection efficiency, can realize high-precision control of the center hole depth, and can control the center consistency within 0.05 mm, so that a solid foundation is laid for high-precision requirements of axial dimensions of shaft parts in subsequent turning, hobbing, grinding and later assembly, automatic implementation and application of subsequent procedures are facilitated, and the tool is suitable for mass production. Meanwhile, the detection tool is convenient and simple to operate and control, is suitable for production fields under various working conditions, can be obtained by modifying a conventional dial indicator, is low in manufacturing cost, and can save cost for enterprises.
In one embodiment, the standard sample hole seat 8 is a circular truncated cone structure, the upper side and the lower side of the circular truncated cone structure are respectively provided with standard central hole grooves 9 with different outer diameters, the outer end diameter of each standard central hole groove 9 is larger than the inner end diameter, and the outer end and the inner end of each standard central hole groove 9 are connected through a plurality of inclined surfaces 10.
In one embodiment, the measuring base 4 is provided with a through hole 5 in the center and threaded holes on the side, the upper part of the through hole 5 is provided with a protective spacer 6 corresponding to the measuring rod 2, the inner end of each threaded hole is communicated with the upper part of the hole 5, a fastening bolt 7 is arranged in each threaded hole, and the inner end of each fastening bolt 7 abuts against the protective spacer 6 so that the protective spacer protects the measuring rod.
In one embodiment, the inner diameter of the upper part of the through hole 5 is smaller than the inner diameter of the lower part of the through hole, and the boundary position of the upper part and the lower part of the through hole 5 forms a step, and the lower end of the protective spacer 6 is positioned on the step so as to improve the longitudinal stability of the protective spacer.
In one embodiment, the measuring base 4 is a circular truncated cone structure and has the same outer diameter as the standard sample hole base 8, and the height of the measuring base 4 is equal to the length of the measuring rod 2.
In one embodiment, at least one of the inclined surfaces 10 is inclined at an angle of 60 °. In particular, the inclined surface may form an angle of 60 ° with the horizontal/vertical plane.
In one embodiment, the measuring ball 3 has an outer diameter of 8-10 mm.
The above embodiments may be combined with each other.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (7)
1. The utility model provides a bevel gear centre bore hole depth degree detects frock which characterized in that: the dial indicator comprises a dial, a measuring rod arranged on the lower side of the dial and a measuring ball head arranged at the lower end of the measuring rod, the measuring rod is fixed in the measuring seat, and the measuring ball head penetrates through the measuring seat and is located outside the measuring seat.
2. The bevel gear center hole depth detection tool according to claim 1, characterized in that: the standard sample hole seat is of a circular truncated cone structure, standard central hole grooves with different outer diameters are formed in the upper side and the lower side of the circular truncated cone structure respectively, the diameter of the outer end of each standard central hole groove is larger than that of the inner end of each standard central hole groove, and the outer end of each standard central hole groove is connected with the inner end of each standard central hole groove through a plurality of inclined planes.
3. The bevel gear center hole depth detection tool according to claim 1 or 2, characterized in that: the center of the measuring seat is provided with a through hole, the side part of the measuring seat is provided with a plurality of threaded holes, the upper part of the through hole is provided with a protective spacer sleeve corresponding to the measuring rod, the upper part of the inner end communicating hole of each threaded hole is internally provided with a fastening bolt, and the inner end of the fastening bolt tightly props the protective spacer sleeve.
4. The bevel gear center hole depth detection tool according to claim 3, characterized in that: the inner diameter of the upper part of the through hole is smaller than that of the lower part of the through hole, a step is formed at the junction position of the upper part and the lower part of the through hole, and the lower end of the protective spacer is positioned on the step.
5. The bevel gear center hole depth detection tool according to claim 4, characterized in that: the measuring seat is of a circular truncated cone structure, the outer diameter of the measuring seat is the same as that of the standard sample hole seat, and the height of the measuring seat is equal to that of the measuring rod.
6. The bevel gear center hole depth detection tool according to claim 2, characterized in that: at least one of the inclined surfaces is inclined at an angle of 60 °.
7. The bevel gear center hole depth detection tool according to claim 1, characterized in that: the outer diameter of the measuring ball head is 8-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122149433.1U CN215413552U (en) | 2021-09-07 | 2021-09-07 | Bevel gear centre bore hole depth degree detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122149433.1U CN215413552U (en) | 2021-09-07 | 2021-09-07 | Bevel gear centre bore hole depth degree detects frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215413552U true CN215413552U (en) | 2022-01-04 |
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ID=79665208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122149433.1U Expired - Fee Related CN215413552U (en) | 2021-09-07 | 2021-09-07 | Bevel gear centre bore hole depth degree detects frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215413552U (en) |
-
2021
- 2021-09-07 CN CN202122149433.1U patent/CN215413552U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |