CN221077490U - Inspection gauge for herringbone gear special products - Google Patents
Inspection gauge for herringbone gear special products Download PDFInfo
- Publication number
- CN221077490U CN221077490U CN202323169401.3U CN202323169401U CN221077490U CN 221077490 U CN221077490 U CN 221077490U CN 202323169401 U CN202323169401 U CN 202323169401U CN 221077490 U CN221077490 U CN 221077490U
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- positioning plate
- shaft
- tooth
- plane
- checking
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- 238000007689 inspection Methods 0.000 title claims description 37
- 230000036339 tooth positioning Effects 0.000 claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Abstract
The utility model discloses a checking fixture for a herringbone gear special product, and belongs to the technical field of machining. The device comprises a tooth positioning plate and a shaft positioning plate, wherein a countersink hole with the same diameter as a herringbone gear is milled on the end face of the tooth positioning plate, a checking plane is milled on the side wall of the tooth positioning plate, a positioning hole with an axis parallel to the checking plane and penetrating through the axis of the tooth positioning plate is formed in the side wall of the tooth positioning plate, a positioning pin is arranged in the positioning hole, a spring is arranged at the outer end of the positioning pin, and a jackscrew screwed into the positioning pin is arranged at the outer end of the spring; the center of the shaft positioning plate is provided with a D shaft hole with the same cross section shape as that of the herringbone gear shaft body, the side wall of the shaft positioning plate is provided with a checking plane, and the side wall of the shaft positioning plate is provided with a placing plane parallel to the checking plane. The whole device is placed on a platform through a placing plane, symmetrical precision of workpiece teeth is determined by checking the checking numerical value difference of checking planes on two tooth positioning plates through a push table, and the numerical value difference of a checking shaft positioning plate and a tooth positioning plate is similar to the symmetrical precision of the workpiece teeth, and the precision of the checking shaft plane and the angle of a tooth slot are checked.
Description
Technical Field
The utility model relates to a checking fixture for a herringbone gear special product, and belongs to the technical field of machining.
Background
The herringbone gear is applied to large-torque and high-precision transmission, according to the technical requirements of products, the symmetrical precision of two teeth of the herringbone gear, which are opposite to the helical angle, is less than 5 minutes on the same workpiece, the center of a tooth slot rotates by a corresponding angle, then a plane is milled on the outer circle of the shaft, and the corresponding angle precision requires tolerance + -5 minutes.
When in inspection, special inspection equipment such as a three-coordinate measuring machine is used, but the three-coordinate measuring machine has high requirements on workpiece inspection equipment, and because product inspection positioning datum points need to be positioned, positioning point confirmation difficulty is high, inspection result accuracy is low, and a guarantee state is lacking. Meanwhile, the special literacy requirement on the inspector is very high, the common inspector can not use similar high-precision special equipment, and the equipment is long in inspection time and low in inspection efficiency.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides the inspection and detection tool for the special products of the herringbone gears, a workpiece is not required to be inspected on professional equipment, only one platform is needed, one pushing table is needed, an operator can inspect the workpiece, the inspection can be performed at any time and any place, the precision of the product is improved, and the processing efficiency is improved.
The technical scheme adopted for solving the technical problems is as follows: the inspection gauge for the special products of the herringbone gears comprises a gear positioning plate and a shaft positioning plate, wherein a countersink hole with the same diameter as the herringbone gears is milled on the end face of the gear positioning plate, an inspection plane is milled on the side wall of the gear positioning plate, a positioning hole with an axis parallel to the inspection plane and penetrating through the axis of the gear positioning plate is formed in the side wall of the gear positioning plate, a positioning pin is arranged in the positioning hole, a spring is arranged at the outer end of the positioning pin, and a jackscrew screwed into the positioning pin is arranged at the outer end of the spring; the center of the shaft positioning plate is provided with a D shaft hole with the same cross section shape as that of the herringbone gear shaft body, the side wall of the shaft positioning plate is provided with a checking plane, and the side wall of the shaft positioning plate is provided with a placing plane parallel to the checking plane.
Further, the inspection planes of the shaft positioning plate and the tooth positioning plate are the same in distance from the axis of the shaft positioning plate, and the distance from the placement plane to the axis of the shaft positioning plate is larger than the radius of the tooth positioning plate.
The beneficial effects of the utility model are as follows: the inspection tool is provided with the detection plane which can be detected on the platform, after the processing is finished, the inspection can be performed on the platform without being performed on professional equipment, only one platform is needed, one push table can be used, an operator can perform inspection, the inspection can be performed at any time and any place in percentage, the product precision can be improved, and the processing efficiency can be improved. The operation is simple and convenient, the inspection precision is high, the working procedures are saved, the construction period is shortened, and the inspection operation difficulty is reduced.
Drawings
The utility model is further described below with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of a shaft positioning plate according to the present utility model.
Fig. 2 is a front view of the shaft positioning plate of the present utility model.
Fig. 3 is a side cross-sectional view of the tooth positioning plate of the present utility model.
Fig. 4 is a front cross-sectional view of the tooth positioning plate of the present utility model.
Fig. 5 is a side view of the present utility model.
Fig. 6 is a cross-sectional view of the structure of the present utility model.
Reference numerals in the drawings:
1. Tooth locating plate 2, locating pin, 3, jackscrew, 4, spring, 5, axle locating plate, 6, place the plane, 7, inspection plane.
Detailed Description
As shown in fig. 1-6, an inspection and detection tool for special products of herringbone gears comprises a tooth positioning plate 1 and a shaft positioning plate 5, wherein a countersink hole with the same diameter as the herringbone gear is milled on the end face of the tooth positioning plate 1, an inspection plane 7 is milled on the side wall of the tooth positioning plate 1, a positioning hole with an axis parallel to the inspection plane 7 and penetrating through the axis of the tooth positioning plate 1 is formed in the side wall of the tooth positioning plate 1, a positioning pin 2 is arranged in the positioning hole, the end part of the positioning pin 2 is a spherical convex body, the axial end point of the positioning pin can pass through the radius line of the tooth positioning plate 1, a spring 4 is arranged at the outer end of the positioning pin 2, and a jackscrew 3 screwed into the positioning pin is arranged at the outer end of the spring 4; the center of the shaft positioning plate 5 is provided with a D shaft hole with the same cross section shape as that of the herringbone gear shaft body, the side wall of the shaft positioning plate 5 is provided with an inspection plane 7, the distances between the inspection planes 7 of the shaft positioning plate 5 and the tooth positioning plate 1 and the axis of the inspection plane are the same, the side wall of the shaft positioning plate 5 is provided with a placement plane 6 parallel to the inspection plane 7, and the distance between the placement plane 6 and the axis of the tooth positioning plate is larger than the radius of the tooth positioning plate 1.
When the symmetry degree of two teeth of the herringbone gear is checked, and the tooth socket is checked to form a certain angle with the shaft rotation angle; the tooth positioning plates 1 are covered on the outer circles of the teeth on two sides of the herringbone teeth, the inner wall end faces of the tooth positioning plates 1 are close to the end faces of the teeth of the workpiece, jackscrews 3 are screwed with proper force, the tooth positions are positioned through positioning pins 2, and as the end parts of the positioning pins 2 are spherical convex bodies, the positioning pins 2 are propped against tooth grooves on a group of opposite sides of the herringbone teeth, meanwhile, the herringbone teeth are oblique teeth, the distance between the end points of the positioning pins 2 and the end faces of the herringbone teeth is fixed, and accordingly the left and right opposite sides of the detected tooth groove points are determined.
A pair of shaft positioning plates 5 are arranged at two ends of a D shaft, and as the included angles between the placing plane 6 or the inspection plane 7 of the left shaft positioning plate 5 and the right shaft positioning plate 5 and the plane of the D shaft hole are consistent, the whole device is placed on a platform through the placing plane 6, the symmetry precision of workpiece teeth is determined by checking the inspection numerical value difference of the inspection plane 7 on the two tooth positioning plates 1 through a push table, the numerical value is smaller than 0.1 (namely 5 minutes) and is qualified, and the smaller the numerical value is, the better the symmetry degree is.
And the numerical difference between the shaft positioning plate 5 and the tooth positioning plate 1 is checked in the same way, and the smaller the numerical value is, the better the accuracy of the shaft plane and the angle of the tooth groove are checked.
Claims (3)
1. The utility model provides a utensil is examined in inspection of herringbone gear special product which characterized in that: the device comprises a tooth positioning plate (1) and a shaft positioning plate (5), wherein a countersink hole with the same diameter as a herringbone gear is milled in the end face of the tooth positioning plate (1), an inspection plane (7) is milled in the side wall of the tooth positioning plate (1), a positioning hole with the axis parallel to the inspection plane (7) and penetrating through the axis of the tooth positioning plate (1) is formed in the side wall of the tooth positioning plate (1), a positioning pin (2) is arranged in the positioning hole, a spring (4) is arranged at the outer end of the positioning pin (2), and a jackscrew (3) screwed into the positioning pin is arranged at the outer end of the spring (4); the center of the shaft positioning plate (5) is provided with a D shaft hole with the same cross section shape as that of the herringbone gear shaft body, the side wall of the shaft positioning plate (5) is provided with a checking plane (7), and the side wall of the shaft positioning plate (5) is provided with a placing plane (6) parallel to the checking plane (7).
2. The inspection tool for herringbone gear special products according to claim 1, wherein: the distance between the shaft locating plate (5) and the checking plane (7) of the tooth locating plate (1) and the axis is the same, and the distance between the placing plane (6) and the axis is larger than the radius of the tooth locating plate (1).
3. The inspection tool for herringbone gear special products according to claim 1, wherein: the end part of the locating pin (2) is a sphere convex body.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221077490U true CN221077490U (en) | 2024-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |