CN212658226U - Tooth profile testing fixture for gear shaft - Google Patents
Tooth profile testing fixture for gear shaft Download PDFInfo
- Publication number
- CN212658226U CN212658226U CN202021631418.XU CN202021631418U CN212658226U CN 212658226 U CN212658226 U CN 212658226U CN 202021631418 U CN202021631418 U CN 202021631418U CN 212658226 U CN212658226 U CN 212658226U
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- tooth
- gear shaft
- cylindrical block
- magnetic steel
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Abstract
The utility model discloses an utensil is examined with profile of tooth to pinion belongs to and examines the utensil field. The utility model discloses a tooth profile testing fixture for a gear shaft, which comprises a cylindrical block, wherein a through hole for sleeving the middle shaft section of the gear shaft is arranged at the middle position of the upper surface of the cylindrical block; the lower surface of the cylindrical block is processed into a second tooth surface which is completely meshed with the first tooth surface of the gear shaft, and a mold closing agent is coated on the second tooth surface; and magnetic steel for fixedly connecting the cylindrical block and the gear shaft together is embedded in the cylindrical block. The utility model discloses it is more convenient to have the data detection of the measurement degree of difficulty on making the product with the help of the profile of tooth to examine the utensil, improves the detectable degree of product to practice thrift check-out time, reduce the input of check out test set cost.
Description
Technical Field
The utility model relates to an examine utensil, more specifically says, relates to an utensil is examined with profile of tooth to pinion.
Background
The tooth shaft which is a key component of the existing brake system has high requirements on the shaping and machining size of the tooth surface. After the gear shafts are produced in batches, the inspection of the gear shafts faces a huge challenge, the measurement of the size of the gear shafts is generally carried out through a profile gauge, but form and position tolerances are difficult to detect (in fig. 1, a central line of a tooth form is taken as a reference A, the center of the shaft and the center of the upper end part of the tooth form have higher coaxiality requirements with the reference A, and the distance h from the center of the shaft to the bottom end of the shaft tooth also meets the drawing requirements), and a client needs to carry out 3D scanning to detect and judge whether the gear shafts are qualified. However, when the 3D scanning is used for detection, the detection is sent to a client or the client is allowed to use a 3D scanner for detection, so that the waiting period is long, and the effective control of subsequent production and quality is not facilitated; or the high-precision 3D scanner is purchased by the company, and the 3D scanner is expensive and has a small application range, which may seriously increase the product cost of the company.
Disclosure of Invention
1. Technical problem to be solved by the utility model
An object of the utility model is to overcome foretell not enough, provide an utensil is examined with profile of tooth to pinion, adopt the technical scheme of the utility model, simple structure, design benefit examines the utensil with the help of the profile of tooth and makes the data detection that has the measurement degree of difficulty more convenient on the product, improves the detectable degree of product to practice thrift check-out time, reduce the input of check out test set cost.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a tooth profile testing fixture for a gear shaft, which comprises a cylindrical block, wherein a through hole for sleeving the middle shaft section of the gear shaft is arranged at the middle position of the upper surface of the cylindrical block; the lower surface of the cylindrical block is processed into a second tooth surface which is completely meshed with the first tooth surface of the gear shaft, and a mold closing agent is coated on the second tooth surface; and magnetic steel for fixedly connecting the cylindrical block and the gear shaft together is embedded in the cylindrical block.
Furthermore, a plurality of magnetic steel mounting through holes are uniformly distributed on the cylindrical block around the through holes in the circumferential direction, the magnetic steel mounting through holes are sequentially a threaded section, a magnetic steel mounting section and an aperture contraction section from top to bottom, the magnetic steel is mounted in the magnetic steel mounting section, and the plug screw is screwed into the threaded section.
Furthermore, six magnetic steel mounting through holes are formed.
Furthermore, the lower edge of the through hole is provided with a chamfer.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a tooth profile of tooth is examined utensil, it has coated the clamping agent on the second flank of cylinder piece earlier, then make cylinder piece cover establish the middle shaft section of tooth axle, and make the second flank of tooth of cylinder piece and the complete interlock of the first flank of tooth axle, because it has the magnet steel that is used for linking firmly cylinder piece and tooth axle together to inlay on the cylinder piece, consequently can make the second flank of tooth of cylinder piece and the complete interlock of the first flank of tooth axle be in the same place, just so can accomplish the benchmark conversion, make and utilize three coordinate measuring apparatu and conventional measuring tool to detect the data that have the measurement degree of difficulty on the tooth axle, improve the detectivity of product, thereby save check-out time, and reduce the input of check out test set cost;
(2) the utility model discloses an utensil is examined with profile of tooth to tooth axle, its magnet steel is packed into the back from the screw thread section, and the end cap screw twists the screw thread section, promotes in the magnet steel gets into the magnet steel erection section completely through twisting the end cap screw, because the design of aperture shrink section plays spacing effect, and the magnet steel installation is swift.
Drawings
FIG. 1 is a schematic diagram of a conventional gear shaft showing a difficulty in dimension detection;
fig. 2 is a schematic structural view of a tooth profile testing fixture for a gear shaft of the present invention;
fig. 3 is a sectional view of a tooth profile testing fixture for a gear shaft of the present invention;
fig. 4 is the utility model discloses an assembly schematic diagram of utensil and pinion is examined with profile of tooth to pinion.
The reference numerals in the schematic drawings illustrate: 1. a cylindrical block; 1-1, through holes; 1-2, a second flank; 1-3, mounting through holes for magnetic steel; 1-4, chamfering; 2. magnetic steel; 3. and a plug screw.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
With reference to fig. 2 and 3, the tooth profile testing fixture for the gear shaft in the embodiment comprises a cylindrical block 1, wherein a through hole 1-1 for sleeving the middle shaft section of the gear shaft is formed in the middle position of the upper surface of the cylindrical block 1, and a chamfer 1-4 is formed on the lower edge of the through hole 1-1; the lower surface of the cylindrical block 1 is processed into a second tooth surface 1-2 which is completely occluded with the first tooth surface of the gear shaft, a mold closing agent is coated on the second tooth surface 1-2, and the tooth form on the second tooth surface 1-2 is required to be matched with the tooth form on the first tooth surface of the gear shaft; the cylindrical block 1 is embedded with a magnetic steel 2 used for fixedly connecting the cylindrical block 1 and the gear shaft together; firstly, a mold closing agent is coated on the second tooth surface of the cylindrical block, then the cylindrical block is sleeved on the middle shaft section of the gear shaft, and the second tooth surface of the cylindrical block is completely meshed with the first tooth surface of the gear shaft, and the magnetic steel for fixedly connecting the cylindrical block and the gear shaft is embedded on the cylindrical block, so that the second tooth surface of the cylindrical block and the first tooth surface of the gear shaft can be completely attracted together (shown in figure 4), thus the reference conversion can be completed, the data with the measurement difficulty on the gear shaft can be detected by using a three-coordinate measuring instrument and a conventional measuring tool, the detectability of the product is improved, the detection time is saved, and the investment of the cost of detection equipment is reduced;
a plurality of magnetic steel mounting through holes 1-3 are uniformly distributed on the cylindrical block 1 in the circumferential direction around the through hole 1-1, and six magnetic steel mounting through holes 1-3 are arranged in the embodiment; the magnet steel installation through-hole is from last down to be screw thread section, magnet steel installation section and aperture shrink section in proper order, and magnet steel 2 installs in the magnet steel installation section, and end cap screw 3 twists the screw thread section, and the magnet steel is from the screw thread section back of packing into, and end cap screw twists the screw thread section, through twisting in end cap screw promotes the magnet steel and gets into the magnet steel installation section completely, because the design of aperture shrink section plays spacing effect, the magnet steel installation is swift.
The utility model discloses an utensil is examined with profile of tooth to jackshaft, simple structure, design benefit examines the utensil with the help of the profile of tooth and makes the data detection that has the measurement degree of difficulty more convenient on the product, improves the detectable degree of product to practice thrift check-out time, reduce the input of check out test set cost.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a utensil is examined to profile of tooth for pinion which characterized in that: the gear shaft comprises a cylindrical block (1), wherein a through hole (1-1) used for being sleeved outside a middle shaft section of the gear shaft is formed in the middle position of the upper surface of the cylindrical block (1); the lower surface of the cylindrical block (1) is processed into a second tooth surface (1-2) which is completely meshed with the first tooth surface of the tooth shaft, and a mold closing agent is coated on the second tooth surface (1-2); and magnetic steel (2) used for fixedly connecting the cylindrical block (1) and the gear shaft together is embedded in the cylindrical block (1).
2. The tooth profile testing fixture for the gear shaft according to claim 1, characterized in that: the cylindrical block (1) is circumferentially and uniformly provided with a plurality of magnetic steel mounting through holes (1-3) around the through holes (1-1), the magnetic steel mounting through holes are a threaded section, a magnetic steel mounting section and an aperture contraction section from top to bottom in sequence, the magnetic steel (2) is mounted in the magnetic steel mounting section, and the plug screw (3) is screwed into the threaded section.
3. The tooth profile testing fixture for the gear shaft according to claim 2, characterized in that: six magnetic steel mounting through holes (1-3) are arranged.
4. The tooth profile testing fixture for the gear shaft according to claim 1, characterized in that: the lower edge of the through hole (1-1) is provided with a chamfer (1-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021631418.XU CN212658226U (en) | 2020-08-07 | 2020-08-07 | Tooth profile testing fixture for gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021631418.XU CN212658226U (en) | 2020-08-07 | 2020-08-07 | Tooth profile testing fixture for gear shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212658226U true CN212658226U (en) | 2021-03-05 |
Family
ID=74770874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021631418.XU Active CN212658226U (en) | 2020-08-07 | 2020-08-07 | Tooth profile testing fixture for gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212658226U (en) |
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2020
- 2020-08-07 CN CN202021631418.XU patent/CN212658226U/en active Active
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