CN214666505U - Internal gear gage bar strides range finding measuring test utensil - Google Patents
Internal gear gage bar strides range finding measuring test utensil Download PDFInfo
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- CN214666505U CN214666505U CN202121175313.2U CN202121175313U CN214666505U CN 214666505 U CN214666505 U CN 214666505U CN 202121175313 U CN202121175313 U CN 202121175313U CN 214666505 U CN214666505 U CN 214666505U
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Abstract
The utility model discloses a testing tool for measuring the distance of the measuring rod of an internal gear, which comprises two measuring rods b, a right-handed rod sleeve, a right-handed stud, a right-handed nut, a left-handed rod sleeve, a left-handed stud, a left-handed nut and a handle; the measuring rod cross-range distance measurement device solves the technical difficulties in the prior art, adopts a special testing tool for measurement, ensures the measuring rod cross-range distance measurement size measurement precision, improves the detection efficiency and reduces the human resource cost.
Description
Technical Field
The utility model relates to an internal gear class part measures and detects technical field, especially an internal gear gage bar strides range finding measuring test utensil.
Background
The internal gear is a common gear transmission part and plays a key role in planetary speed reducers with large transmission ratio and small tooth difference speed reducers. Therefore, the machining size and precision of the internal gear are very critical, and the measuring rod span distance measurement of the internal gear is more important dimensional data for designing and machining the internal gear, and the measurement of the dimension is more important.
In the prior art, a common internal gear measuring rod span distance measurement method includes:
1. the gear measurement center detection method is accurate and reliable in measurement, but needs equipment with high value, and is not adopted in general.
2. The spring piece measuring rod clamping measurement method adopts two measuring rods, a vernier caliper or a micrometer and other simple measuring instruments to measure. The detection method is relatively simple and widely applied to the general machine manufacturing industry.
The general spring plate measuring rod clamping measuring mode is shown in figure 1. As can be seen from the figure, one measuring rod a2 is placed in any one of the tooth grooves of the internal gear 1, supported on the measuring rod a2 by the spring piece 3 with a circular arc groove ground, and the other measuring rod a2 is inserted into the other tooth groove of the internal gear 1, so that the distance between the two measuring rods a2 is maximized, supported on the other measuring rod a2 by the spring piece 3, so that the two measuring rods a2 are stably fixed in the tooth grooves of the internal gear 1, and the measuring rod span distance measurement dimension M in fig. 1 is measured by a vernier caliper or a micrometer.
The measuring method of the measuring rod has the following technical defects:
1. the measuring rod is easy to fall off in the process of placing the measuring rod, particularly, a spring piece is used for supporting one measuring rod, the process that the other measuring rod is arranged in a bent spring piece and fixed by the spring piece is difficult, and a person often makes mistakes in the operation process. The labor intensity is increased, and the measuring efficiency is reduced.
2. The measurement is prone to drift. After the measuring stick is fixed, the supporting force for the two measuring sticks is insufficient due to insufficient elasticity of the spring piece, so that the measuring stick is easy to move and even slide in the measuring process, and the measuring stick cannot accurately or fail to measure the distance measurement data.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an internal gear graduated flask strides range finding measuring test utensil, it has solved the technical difficulty that exists among the known art, adopts special test utensil to measure, ensures that the graduated flask strides range finding size measurement accuracy, improves detection efficiency, reduces the manpower resources cost.
The technical scheme of the utility model: a testing tool for measuring the distance of an internal gear measuring rod in a span-measuring mode is characterized by comprising two measuring rods b, a right-handed rod sleeve, a right-handed stud, a right-handed nut, a left-handed rod sleeve, a left-handed stud, a left-handed nut and a handle; the measuring rod b is fixedly connected with the right-handed measuring rod sleeve; the right-handed quantity rod sleeve is in threaded fit with one end of the right-handed stud and is fastened through a right-handed nut; the other end of the right-hand stud is in threaded fit with one end of the handle and is fastened through a right-hand nut; the other measuring bar b is fixedly connected with the left-handed measuring bar sleeve; the left-handed rotation rod sleeve is in threaded fit with one end of the left-handed rotation stud and is fastened through a left-handed nut; the other end of the left-handed stud is in threaded fit with the other end of the handle and is fastened through a left-handed nut.
The measuring rod b is matched with the shaft hole of the right-handed measuring rod sleeve and is fixedly connected with the shaft hole of the right-handed measuring rod sleeve through a flat-end set screw.
The other measuring rod b is matched with the shaft hole of the left-hand measuring rod sleeve and fixedly connected with the shaft hole through a flat-end fastening screw.
The measuring rod b is provided with two retainer ring grooves, shaft retainer rings are assembled in the retainer ring grooves, and the measuring rod b is matched with a shaft hole of the right-handed measuring rod sleeve and fixedly connected with the shaft retainer rings through the shaft retainer rings.
And the other measuring rod b is provided with two retainer ring grooves, a shaft retainer ring is assembled in each retainer ring groove, and the other measuring rod b is matched with a shaft hole of the left-handed measuring rod sleeve and fixedly connected with the shaft retainer ring through a shaft.
The right-handed measuring rod sleeve is provided with a right-handed internal thread, the measuring rod b is provided with an external thread and a retainer ring groove, a retainer ring for a shaft is assembled in the retainer ring groove, and the measuring rod b is in threaded fit with the right-handed measuring rod sleeve and is fixedly connected with the retainer ring for the shaft through a hexagonal thin nut.
The left-handed measuring rod sleeve is provided with a left-handed internal thread, the other measuring rod b is provided with an external thread and a retainer ring groove, a retainer ring for a shaft is assembled in the retainer ring groove, and the other measuring rod b is in threaded fit with the left-handed measuring rod sleeve and is fixedly connected with the retainer ring for the shaft through a hexagonal thin nut.
The handle is provided with a knurling structure.
The utility model discloses a theory of operation: and the left-handed screw and the right-handed screw between the handle and the left-handed screw and between the handle and the right-handed screw are unscrewed, the handle is rotated to simultaneously extend the left-handed screw and the right-handed screw at the two ends of the handle, and the handle is reversely rotated to simultaneously retract the left-handed screw and the right-handed screw at the two ends. The length is adjusted to be reasonable by visual observation through rotating the handle, the two measuring rods are inserted into tooth grooves of the internal gear in parallel, if the internal gear is even number of teeth, the inserting position is the tooth groove with the distance of Z/2 teeth, and if the internal gear is odd number of teeth, the inserting position is the tooth groove with the distance of (Z-1)/2 teeth. And (3) finely adjusting the distance between the two measuring rods by rotating the handle to tightly fix the two measuring rods in the tooth socket, screwing the left-handed nut and the right-handed nut between the handle and the left-handed stud and between the handle and the right-handed stud, and measuring the minimum distance between the two measuring rods by using a vernier caliper, namely measuring the distance between the two measuring rods by the internal gear measuring rod.
The utility model has the advantages that: the distance adjustment between two gauge sticks is accomplished to the accessible rotatory handle, makes the gauge stick fasten between the tooth's socket, convenient and fast's completion detects. The use of the testing tool ensures that the two measuring rods are more stably fixed, and the repeated measurement precision of the internal gear measuring rod in the span distance measurement is greatly improved; the inspection tool enables the inspection personnel to operate more simply and conveniently, and improves the detection efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a spring rod clamping measurement method in the prior art.
Fig. 2 is the schematic structural diagram of embodiment 1 of the testing tool for measuring the distance across the inner gear measuring stick of the present invention.
Fig. 3 is the schematic structural diagram of embodiment 2 of the testing tool for measuring the distance across the inner gear measuring stick of the present invention.
FIG. 4 is an exploded assembly view of a measuring stick b according to example 2.
Fig. 5 is a schematic structural view of embodiment 3 of the testing tool for measuring the distance across the inner gear measuring stick of the present invention.
FIG. 6 is an exploded assembly view of a measuring rod b according to example 3.
Fig. 7 is the utility model relates to an annular gear graduated flask strides annular knurl structure sketch map on range finding measuring test tool's handle.
The measuring tool comprises a tool body, a measuring rod, a spring piece, a right-handed measuring rod sleeve, a right-handed inner thread, a flat-end fastening screw, a right-handed stud, a right-handed nut, a handle, a left-handed measuring rod sleeve, a right-handed inner thread, a right-handed screw, a flat-end fastening screw, a right-handed screw 6, a right-handed nut 7, a handle 8, a left-handed measuring rod sleeve 9, a right-handed inner thread, a left-handed screw 10, a left-handed screw 11, a measuring rod b, a retaining ring groove 12-1, an external thread 12-2, an axial retaining ring 13 and a thin hexagonal nut 14.
Detailed Description
Example 1: a testing tool for measuring the distance of internal gear measuring rods (see figure 2) in a span-measuring mode is characterized by comprising two measuring rods b12, a right-handed measuring rod sleeve 4, a right-handed stud 6, a right-handed nut 7, a left-handed measuring rod sleeve 9, a left-handed stud 10, a left-handed nut 11 and a handle 8; the measuring rod b12 is fixedly connected with the right-handed measuring rod sleeve 4; the right-handed rod sleeve 4 is in threaded fit with one end of the right-handed stud 6 and is fastened through a right-handed nut 7; the other end of the right-hand stud 6 is in threaded fit with one end of a handle 8 and is fastened through a right-hand nut 7; the other measuring bar b12 is fixedly connected with the left-handed measuring bar sleeve 9; the left-handed rotation rod sleeve 9 is in threaded fit with one end of the left-handed screw bolt 10 and is fastened through a left-handed nut 11; the other end of the left-handed stud 10 is in threaded fit with the other end of the handle 8 and is fastened through a left-handed nut 11.
The measuring rod b12 is matched with the shaft hole of the right-handed measuring rod sleeve 4 and is fixedly connected with the right-handed measuring rod sleeve through the flat-end set screw 5.
The other measuring rod b12 is matched with the shaft hole of the left-handed measuring rod sleeve 9 and is fixedly connected with the left-handed measuring rod sleeve through a flat-end set screw 5.
The working principle of the embodiment is as follows: and (3) loosening the left-hand nut 11 and the right-hand nut 7 between the handle 8 and the left-hand stud 10 and between the handle 8 and the right-hand stud 6, rotating the handle 8 to simultaneously extend the left-hand stud 10 and the right-hand stud 6 at two ends of the handle 8, and reversely rotating the handle 8 to simultaneously retract the left-hand stud 10 and the right-hand stud 6 at two ends. The length is adjusted to be reasonable by visual observation through the rotating handle 8, two measuring rods b12 are inserted into the tooth grooves of the internal gear 1 in parallel, if the internal gear 1 is an even number of teeth, the inserting position is the tooth groove with the distance of Z/2 teeth, and if the internal gear 1 is an odd number of teeth, the inserting position is the tooth groove with the distance of (Z-1)/2 teeth. The distance between the two measuring rods b12 is finely adjusted by rotating the handle 8, so that the two measuring rods b12 are tightly fixed in the tooth socket, the left-handed nut 11 and the right-handed nut 7 between the handle 8 and the left-handed stud 10 and between the handle 8 and the right-handed stud 6 are screwed, and the vernier caliper is used for measuring the minimum distance between the two measuring rods b12, namely the internal gear measuring rod span distance measurement size M.
Example 2: a testing tool for measuring the distance of an internal gear measuring rod (see figures 3 and 4) is characterized by comprising two measuring rods b12, a right-handed measuring rod sleeve 4, a right-handed stud 6, a right-handed nut 7, a left-handed measuring rod sleeve 9, a left-handed stud 10, a left-handed nut 11 and a handle 8; the measuring rod b12 is fixedly connected with the right-handed measuring rod sleeve 4; the right-handed rod sleeve 4 is in threaded fit with one end of the right-handed stud 6 and is fastened through a right-handed nut 7; the other end of the right-hand stud 6 is in threaded fit with one end of a handle 8 and is fastened through a right-hand nut 7; the other measuring bar b12 is fixedly connected with the left-handed measuring bar sleeve 9; the left-handed rotation rod sleeve 9 is in threaded fit with one end of the left-handed screw bolt 10 and is fastened through a left-handed nut 11; the other end of the left-handed stud 10 is in threaded fit with the other end of the handle 8 and is fastened through a left-handed nut 11.
The measuring rod b12 is provided with two retainer ring grooves 12-1, a shaft retainer ring 13 is assembled in each retainer ring groove 12-1, and the measuring rod b12 is matched with the shaft hole of the right-handed measuring rod sleeve 4 and fixedly connected with the shaft retainer ring 13.
The other measuring rod b12 is provided with two retainer ring grooves 12-1, a shaft retainer ring 13 is assembled in each retainer ring groove 12-1, and the other measuring rod b12 is matched with the shaft hole of the left-handed measuring rod sleeve 9 and fixedly connected with the shaft retainer ring 13.
Example 3: a testing tool for measuring the distance of an internal gear measuring rod (see figures 5 and 6) is characterized by comprising two measuring rods b12, a right-handed measuring rod sleeve 4, a right-handed stud 6, a right-handed nut 7, a left-handed measuring rod sleeve 9, a left-handed stud 10, a left-handed nut 11 and a handle 8; the measuring rod b12 is fixedly connected with the right-handed measuring rod sleeve 4; the right-handed rod sleeve 4 is in threaded fit with one end of the right-handed stud 6 and is fastened through a right-handed nut 7; the other end of the right-hand stud 6 is in threaded fit with one end of a handle 8 and is fastened through a right-hand nut 7; the other measuring bar b12 is fixedly connected with the left-handed measuring bar sleeve 9; the left-handed rotation rod sleeve 9 is in threaded fit with one end of the left-handed screw bolt 10 and is fastened through a left-handed nut 11; the other end of the left-handed stud 10 is in threaded fit with the other end of the handle 8 and is fastened through a left-handed nut 11.
The right-handed measuring rod sleeve 4 is provided with right-handed internal threads 4-1, the measuring rod b12 is provided with external threads 12-2 and a retainer groove 12-1, a retaining ring 13 for a shaft is assembled in the retainer groove 12-1, and the measuring rod b12 is in threaded fit with the right-handed measuring rod sleeve 4 and is fixedly connected with the retaining ring 13 for the shaft through a hexagonal thin nut 14.
The left-handed measuring rod sleeve 9 is provided with a left-handed internal thread 9-1, the other measuring rod b12 is provided with an external thread 12-2 and a retainer groove 12-1, a shaft retainer 13 is assembled in the retainer groove 12-1, and the other measuring rod b12 is in threaded fit with the left-handed measuring rod sleeve 9 and is fixedly connected with the shaft retainer 13 through a hexagonal thin nut 14.
Example 4: a testing tool for measuring the span distance of an internal gear measuring rod is characterized by comprising two measuring rods b12, a right-handed measuring rod sleeve 4, a right-handed stud 6, a right-handed nut 7, a left-handed measuring rod sleeve 9, a left-handed stud 10, a left-handed nut 11 and a handle 8; the measuring rod b12 is fixedly connected with the right-handed measuring rod sleeve 4; the right-handed rod sleeve 4 is in threaded fit with one end of the right-handed stud 6 and is fastened through a right-handed nut 7; the other end of the right-hand stud 6 is in threaded fit with one end of a handle 8 and is fastened through a right-hand nut 7; the other measuring bar b12 is fixedly connected with the left-handed measuring bar sleeve 9; the left-handed rotation rod sleeve 9 is in threaded fit with one end of the left-handed screw bolt 10 and is fastened through a left-handed nut 11; the other end of the left-handed stud 10 is in threaded fit with the other end of the handle 8 and is fastened through a left-handed nut 11.
The measuring rod b12 is matched with the shaft hole of the right-handed measuring rod sleeve 4 and is fixedly connected with the right-handed measuring rod sleeve through the flat-end set screw 5.
The other measuring rod b12 is matched with the shaft hole of the left-handed measuring rod sleeve 9 and is fixedly connected with the left-handed measuring rod sleeve through a flat-end set screw 5.
The handle 8 is provided with a knurling structure 8-1 (see figure 7).
Claims (8)
1. A testing tool for measuring the distance of an internal gear measuring rod in a span-measuring mode is characterized by comprising two measuring rods b, a right-handed rod sleeve, a right-handed stud, a right-handed nut, a left-handed rod sleeve, a left-handed stud, a left-handed nut and a handle; the measuring rod b is fixedly connected with the right-handed measuring rod sleeve; the right-handed quantity rod sleeve is in threaded fit with one end of the right-handed stud and is fastened through a right-handed nut; the other end of the right-hand stud is in threaded fit with one end of the handle and is fastened through a right-hand nut; the other measuring bar b is fixedly connected with the left-handed measuring bar sleeve; the left-handed rotation rod sleeve is in threaded fit with one end of the left-handed rotation stud and is fastened through a left-handed nut; the other end of the left-handed stud is in threaded fit with the other end of the handle and is fastened through a left-handed nut.
2. A tool according to claim 1, wherein one of the gauge rods b is engaged with a shaft hole of a right-hand gauge rod sleeve and fixedly connected thereto by a flat set screw.
3. A tool according to claim 1, wherein the other measuring rod b is engaged with a shaft hole of a left-hand measuring rod sleeve and fixedly connected with the shaft hole through a flat-end set screw.
4. A testing tool for measuring distance across internal gear measuring stick according to claim 1, characterized in that said one measuring stick b has two retainer grooves, said retainer grooves are equipped with shaft retainer rings, said one measuring stick b is matched with shaft hole of right-hand measuring stick sleeve and is fixedly connected with shaft retainer rings.
5. A testing tool for measuring distance across internal gear measuring sticks as claimed in claim 1, wherein said another measuring stick b has two retainer grooves, said retainer grooves are equipped with shaft retainers, said another measuring stick b is matched with shaft hole of left-handed measuring stick sleeve and fixedly connected with shaft retainers through shaft retainers.
6. A testing tool for internal gear metering rod span distance measurement according to claim 1, wherein the right-handed internal thread is provided on the right-handed metering rod sleeve, the external thread and a retainer groove are provided on the metering rod b, the retainer groove is provided with a retainer ring for shaft, and the metering rod b is in threaded fit with the right-handed metering rod sleeve and is fixedly connected with the retainer ring for shaft through a hexagonal thin nut.
7. A testing tool for internal gear measuring stick span distance measurement according to claim 1, wherein the left-hand measuring stick sleeve is provided with a left-hand internal thread, the other measuring stick b is provided with an external thread and a retainer groove, the retainer groove is provided with a shaft retainer, and the other measuring stick b is in threaded fit with the left-hand measuring stick sleeve and is fixedly connected with the shaft retainer through a hexagonal thin nut.
8. A tool according to claim 1, wherein the handle is knurled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121175313.2U CN214666505U (en) | 2021-05-28 | 2021-05-28 | Internal gear gage bar strides range finding measuring test utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121175313.2U CN214666505U (en) | 2021-05-28 | 2021-05-28 | Internal gear gage bar strides range finding measuring test utensil |
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| Publication Number | Publication Date |
|---|---|
| CN214666505U true CN214666505U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121175313.2U Active CN214666505U (en) | 2021-05-28 | 2021-05-28 | Internal gear gage bar strides range finding measuring test utensil |
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| Country | Link |
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| CN (1) | CN214666505U (en) |
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2021
- 2021-05-28 CN CN202121175313.2U patent/CN214666505U/en active Active
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