CN213984974U - Tested gear shaft structure of gear double-meshing instrument - Google Patents
Tested gear shaft structure of gear double-meshing instrument Download PDFInfo
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- CN213984974U CN213984974U CN202023068523.XU CN202023068523U CN213984974U CN 213984974 U CN213984974 U CN 213984974U CN 202023068523 U CN202023068523 U CN 202023068523U CN 213984974 U CN213984974 U CN 213984974U
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Abstract
The utility model discloses a gear double-lock is close appearance by survey gear shaft structure, it is equipped with shaft shoulder one in proper order to be surveyed the gear shaft, shaft shoulder two, the one end cover that is surveyed the gear shaft and is located shaft shoulder one is equipped with by survey gear, it is equipped with the gear ball cover to be surveyed the gear and be equipped with between the gear shaft by survey the gear, gear ball cover terminal surface pressure is equipped with the gasket, the gasket is installed on being surveyed the gear shaft, it is equipped with the positioning disk to be surveyed the gear shaft and be located shaft shoulder one other end cover, be provided with the terminal surface ball cover between positioning disk and the shaft shoulder one, be provided with the footpath ball cover between positioning disk and the being surveyed the gear shaft, the terminal surface ball cover, the equal suit of footpath ball cover is on being surveyed the gear shaft, the gas pocket has been seted up on being surveyed the gear shaft, gas pocket one end is located the outer wall of shaft shoulder two and corresponds with the inner wall of being surveyed the gear. The utility model is characterized in that: the positioning precision is high, the detection precision of the radial comprehensive total deviation and the radial comprehensive deviation of one tooth of the gear is high, the diameter of an inner hole can be detected, the detection efficiency is improved, and the working intensity of inspectors is reduced.
Description
Technical Field
The utility model relates to a gear precision detects technical field, concretely relates to two appearance of nibbling of gear is surveyed gear shaft structure.
Background
The measured gear shaft of a common gear double-meshing instrument is an optical axis, and a gap of 0.02-0.05mm is required between the measured gear and the measured gear shaft, so that the gear can be conveniently mounted and dismounted during detection, the gap causes that the measurement error of the radial comprehensive total deviation of the gear and the radial comprehensive deviation of one tooth is larger, only the gear with the precision above the national standard level 7 can be detected, and the detection result of the gear below the level 7 cannot reflect the real precision of the gear.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough problem of above-mentioned, a gear double row of nibbling appearance is surveyed gear shaft structure is provided.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the gear shaft structure to be tested of the gear double-tooth-meshing instrument comprises a gear shaft to be tested, wherein the gear shaft to be tested is sequentially provided with a first shaft shoulder and a second shaft shoulder, one end, located at the first shaft shoulder, of the gear shaft to be tested is sleeved with a gear to be tested, the gear to be tested is sleeved on the second shaft shoulder, a gear ball sleeve is arranged in a space formed between the gear to be tested and the gear shaft to be tested and the second shaft shoulder, the gear ball sleeve is sleeved on the gear shaft to be tested, a gasket is pressed on the end face of the gear ball sleeve and installed on the gear shaft to be tested, a positioning disc is sleeved at the other end, located at the first shaft shoulder, of the gear shaft to be tested, an end face ball sleeve is arranged between the positioning disc and the first shaft shoulder, a shaft diameter ball sleeve is arranged between the positioning disc and the gear shaft to be tested, the end face ball sleeve and the shaft diameter ball sleeve are sleeved on the gear shaft to be tested, and an air hole is formed in the gear shaft to be tested, one end of the air hole is positioned on the outer wall of the second shaft shoulder and corresponds to the inner wall of the gear to be measured.
The gasket is fixed on the gear shaft to be tested through a screw.
The diameter of the gasket is smaller than the outer diameter of the gear ball sleeve and larger than the inner diameter of the gear ball sleeve.
And positioning bolt holes are uniformly distributed on the positioning disc along the circumference.
The air hole is L-shaped, two sides of the L-shaped air hole are communicated, one side of the L-shaped air hole is arranged on the axis of the gear shaft to be measured and is connected with the pneumatic measuring instrument, and the other side of the L-shaped air hole is arranged in the radial direction of the shaft shoulder II and corresponds to the inner wall of the gear to be measured.
One L-shaped side of the air hole is connected with a pneumatic measuring instrument through an air pipe.
One side of the L-shaped air hole is connected with an air pipe through an air pipe joint, and the air pipe is installed on the gear shaft to be tested.
The utility model is characterized in that: the positioning precision is high, the detection precision of the radial comprehensive total deviation and the radial comprehensive deviation of one tooth of the gear is high, the diameter of an inner hole can be detected, the detection efficiency is improved, and the working intensity of inspectors is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. the device comprises a screw 2, a gasket 3, a gear ball sleeve 4, a measured gear 5, a measured gear shaft 6, an end face ball sleeve 7, a positioning bolt hole 8, a positioning disc 9, a shaft diameter ball sleeve 10, an air pipe joint 11, an air pipe 12, a pneumatic measuring instrument 13, an air hole 14, a first shaft shoulder 15 and a second shaft shoulder.
Detailed Description
As shown in figure 1, the utility model relates to a gear shaft structure to be tested of gear double-tooth-meshing instrument, including the gear shaft 5 to be tested, the gear shaft 5 to be tested is provided with a first shaft shoulder 14 and a second shaft shoulder 15 in sequence, one end of the gear shaft 5 to be tested, which is located the first shaft shoulder 14, is sheathed with a gear 4 to be tested, the gear 4 to be tested is sheathed on the second shaft shoulder 15, a gear ball sleeve 3 is arranged in a space formed between the gear 4 to be tested and the gear shaft 5 to be tested and the second shaft shoulder 15, the gear ball sleeve 3 is sheathed on the gear shaft 5 to be tested, a gasket 2 is pressed on the end surface of the gear ball sleeve 3, the gasket 2 is fixed on the gear shaft 5 to be tested through a screw 1, the diameter of the gasket 2 is smaller than the outer diameter of the gear ball sleeve 3 and larger than the inner diameter of the gear ball sleeve 3, the other end of the gear shaft 5 to be tested, which is located the first shaft shoulder 14, is sheathed with a positioning plate 8, positioning bolt holes 7 are uniformly distributed along the circumference, be provided with terminal surface ball cover 6 between positioning disk 8 and the first 14 of shaft shoulder, be provided with diameter of shaft ball cover 9 between positioning disk 8 and the gear shaft 5 of being surveyed, terminal surface ball cover 6, diameter of shaft ball cover 9 all suit are on being surveyed the gear shaft 5, gas pocket 13 has been seted up on being surveyed the gear shaft 5, gas pocket 13 is the L type, the both sides of the L type of gas pocket 13 are linked together, wherein one side of the L type of gas pocket 13 is seted up on being surveyed the axis of gear shaft 5 to be connected with trachea 11 one end through air pipe joint 10, the trachea 11 other end is connected with pneumatic measuring instrument 12, the another side of the L type of gas pocket 13 is seted up in the footpath of shaft shoulder two 15 to correspond with the inner wall of being surveyed gear 4.
During installation, a bolt is installed in a positioning bolt hole 7 of the positioning disc 8, the positioning disc is fixed on a base of the gear double-tooth meshing instrument through the bolt, an end surface ball sleeve 6 and a shaft diameter ball sleeve 9 are installed on the lower portion of the measured gear shaft 5, the end surface ball sleeve 6 is used for ensuring that the end surface of the measured gear shaft 5 and the end surface of the positioning disc 8 rotate flexibly, friction is reduced, and a lubricating oil path is omitted, the diameter of the shaft diameter ball sleeve 9 can be matched according to the diameter of the shaft diameter at the lower end of the measured gear shaft 5 and the diameter of the inner hole of the positioning disc 8, the effect of no side clearance fit can be achieved, positioning accuracy is improved, the measured gear shaft 5 and the positioning disc 8 are convenient to assemble and flexible to rotate through the matching of steel balls of the ball sleeve, the gear ball sleeve 3 is installed on the shaft diameter at the upper end of the measured gear shaft 5, and the diameter of the inner hole of the measured gear 4 are matched according to the diameter of the shaft diameter of the upper end of the measured gear shaft 5, can reach no backlash complex effect, provide positioning accuracy, through the steel ball cooperation of gear ball cover 3, make measured gear 4 can rotate in a flexible way, reduce the detection error measured gear shaft 5's top installation gasket 2, the restriction gear ball cover 3's position prevents its axial play, the diameter of gasket 2 is less than 1 to 2mm of gear ball cover 3's external diameter, takes place the interference phenomenon when preventing to install measured gear 4, at last through screw 1 with the gasket on measured gear 4 measured gear shaft 5 bottom gas pocket department installs in proper order air pipe joint 10, trachea 10 and air gauge 12.
When detecting the gear precision, install the gear 4 to be detected on the gear shaft 5 to be detected, drive the gear 4 to be detected with the standard gear and rotate 3 circles, record the radial comprehensive total deviation of the gear 4 to be detected and a tooth radial comprehensive deviation, because the gear fit clearance and the locating shaft fit clearance have been eliminated, can detect the precision and can improve two precision levels, reach national standard 5 level, measure and open pneumatic measuring instrument 12 simultaneously, pneumatic measuring instrument 12 is through supplying gas into trachea 11, exhaust from the gas pocket 13 of the gear shaft 5 to be detected, the hole diameter is judged according to the air flow contrast that the flow of gas and gauge record, the hole diameter has been detected when detecting radial comprehensive total deviation and a tooth radial comprehensive deviation, detection efficiency has been improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be within the technical scope of the present invention, and the technical solutions and the inventive concepts of the present invention are equivalent to or changed according to the present invention, and all those skilled in the art should be covered by the scope of the present invention.
Claims (7)
1. Gear double-tooth appearance is surveyed gear shaft structure, its characterized in that: comprises a gear shaft to be tested, the gear shaft to be tested is sequentially provided with a first shaft shoulder and a second shaft shoulder, one end of the gear shaft to be tested, which is positioned on the first shaft shoulder, is sleeved with a gear to be tested, the gear to be tested is sleeved on the second shaft shoulder, a gear ball sleeve is arranged in a space formed between the gear to be tested and the second shaft shoulder and between the gear to be tested and the second shaft shoulder, the gear ball sleeve is sleeved on the gear shaft to be tested, the gasket is pressed on the end face of the gear ball sleeve, the gasket is arranged on a gear shaft to be detected, the other end of the gear shaft to be detected, which is positioned at the first shaft shoulder, is sleeved with a positioning disc, an end face ball sleeve is arranged between the positioning disc and the first shaft shoulder, a shaft diameter ball sleeve is arranged between the positioning disc and the gear shaft to be tested, the end face ball sleeve and the shaft diameter ball sleeve are sleeved on a measured gear shaft, an air hole is formed in the measured gear shaft, and one end of the air hole is located on the outer wall of the second shaft shoulder and corresponds to the inner wall of the measured gear.
2. The measured gear shaft structure of the gear double-speed instrument according to claim 1, wherein: the gasket is fixed on the gear shaft to be tested through a screw.
3. The measured gear shaft structure of the gear double-speed instrument according to claim 1, wherein: the diameter of the gasket is smaller than the outer diameter of the gear ball sleeve and larger than the inner diameter of the gear ball sleeve.
4. The measured gear shaft structure of the gear double-speed instrument according to claim 1, wherein: and positioning bolt holes are uniformly distributed on the positioning disc along the circumference.
5. The measured gear shaft structure of the gear double-speed instrument according to claim 1, wherein: the air hole is L-shaped, two sides of the L-shaped air hole are communicated, one side of the L-shaped air hole is arranged on the axis of the gear shaft to be measured and is connected with the pneumatic measuring instrument, and the other side of the L-shaped air hole is arranged in the radial direction of the shaft shoulder II and corresponds to the inner wall of the gear to be measured.
6. The measured gear shaft structure of a gear double-speed instrument according to claim 5, wherein: one L-shaped side of the air hole is connected with a pneumatic measuring instrument through an air pipe.
7. The measured gear shaft structure of a gear double-speed instrument according to claim 6, wherein: one side of the L-shaped air hole is connected with an air pipe through an air pipe joint, and the air pipe is installed on the gear shaft to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023068523.XU CN213984974U (en) | 2020-12-18 | 2020-12-18 | Tested gear shaft structure of gear double-meshing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023068523.XU CN213984974U (en) | 2020-12-18 | 2020-12-18 | Tested gear shaft structure of gear double-meshing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213984974U true CN213984974U (en) | 2021-08-17 |
Family
ID=77246145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023068523.XU Active CN213984974U (en) | 2020-12-18 | 2020-12-18 | Tested gear shaft structure of gear double-meshing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213984974U (en) |
-
2020
- 2020-12-18 CN CN202023068523.XU patent/CN213984974U/en active Active
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