CN206399344U - A kind of involute helicoid worm pressure angle special measuring tool - Google Patents
A kind of involute helicoid worm pressure angle special measuring tool Download PDFInfo
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- CN206399344U CN206399344U CN201720083394.0U CN201720083394U CN206399344U CN 206399344 U CN206399344 U CN 206399344U CN 201720083394 U CN201720083394 U CN 201720083394U CN 206399344 U CN206399344 U CN 206399344U
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- angular amount
- worm screw
- normal pressure
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- 238000001514 detection method Methods 0.000 description 2
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Abstract
The utility model discloses a kind of involute helicoid worm pressure angle special measuring tool, include measurement tool reference block, trapezoid spiral lift angle gauge block and two pieces of normal pressure angular amount blocks.It is in " work " font to measure tool reference block, fitted together with trapezoid spiral lift angle gauge block, and four sides of trapezoid spiral angular amount block are all vertical with measurement tool reference block " work " font plane, and two inclined-planes of trapezoid spiral lift angle gauge block and two parallel surface angles are equal to the lead angle of worm screw, measurement datum is used as；A tooth of the normal pressure angular amount block equivalent to the basic rack being meshed with Luo Dao, its angle face is twice of worm screw pressure angle, and this normal pressure angular amount root tuber is designed according to worm screw pressure angle size, measured for the corresponding normal pressure angular amount block of worm screw selection at different pressures angle, standard pressure angle gauge block is applied in combination with measurement tool reference block during measurement, measurement is simple, fast.
Description
Technical field
The utility model is related to a kind of involute helicoid worm pressure angle special measuring tool, belongs to engineering goods field of measuring technique.
Background technology
It is to apply very universal machine components gradually to open worm screw, and their primary structure is a kind of spiral shell of special tooth profile
Line, pressure angle and lead angle are its very important two parameters, and during production, worm screw modulus is to determine that lead angle is straight
Connect and ensured by lathe, helical pitch can also be measured, and pressure angular measurement gear measuring center can just be measured, general small factory is without measurement
Center, and can not be detected in production scene, commission measuring mechanism detection is not only time-consuming but also troublesome, it is impossible to meet actual demand.
Utility model content
In view of above the problem of exist, the purpose of the utility model patent there is provided a kind of clever structure, it is easy to operate,
Involute helicoid worm pressure angle special measuring tool with degree of precision.
To achieve the above object, the utility model takes following technical scheme：
A kind of involute helicoid worm pressure angle special measuring tool described in the utility model, includes measurement tool reference block, spiral shell
Revolve lift angle gauge block and two pieces of normal pressure angular amount blocks.It is in " work " font to measure tool reference block, with trapezoid spiral lift angle gauge block group
It is fitted together, and four sides of trapezoid spiral angular amount block are all vertical with measurement tool reference block " work " font plane, and trapezoidal spiral shell
Two inclined-planes and two parallel surface angles for revolving lift angle gauge block are equal to the lead angle of worm screw, are used as measurement datum；Normal pressure angle
Gauge block is equivalent to a tooth of the basic rack being meshed with Luo Dao, and its angle face is twice of worm screw pressure angle, and this standard
Pressure angle gauge block is designed according to worm screw pressure angle size, and corresponding normal pressure angular amount block is chosen for the worm screw at different pressures angle
Measure, standard pressure angle gauge block is applied in combination with measurement tool reference block during measurement, first, by two panels specification identical mark
Quasi- pressure angle gauge block is placed on measurement tool reference block " work " font bottom surface, then measured workpiece is placed on into two panels normal pressure angular amount
On block, lived with hand pressure, normal pressure angular amount block is meshed with worm screw Luo Dao, and be attached to trapezoid spiral liter by measured workpiece is cylindrical
On one parallel surface of angular amount block, develop, it is oblique that mobile worm screw makes the inclined-plane base of normal pressure angular amount block one lean against lead angle gauge block
On face, clearance delta β is measured, the pressure angle of tested worm screw just can be calculated.Measurement is simple, fast.
A kind of involute helicoid worm pressure angle special measuring tool described in the utility model has the following advantages that：
1st, clever structure, easy to operate；
2nd, precision is high；
3rd, instant on-line measurement is realized, zero cost, the cycle is short；
4th, highly versatile, only need to change normal pressure angular amount block and lead angle gauge block can be carried out to different size worm screw
Detection；
Brief description of the drawings
Fig. 1 is involute helicoid worm pressure angle special measuring tool structural representation
Fig. 2 is Fig. 1 top view
Fig. 3 is the structural representation of Fig. 1 parts 1
In figure：1- measures tool reference block 2- normal pressure angular amount block 3- trapezoid spiral lift angle gauge block 4- measured workpieces
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail, but
It is not the limitation to the utility model protection domain.
Reference picture 1, Fig. 2, Fig. 3, a kind of involute helicoid worm pressure angle special measuring tool described in the utility model, include survey
Measure tool reference block 1, lead angle gauge block 3 is constituted and two pieces of normal pressure angular amount blocks 2 are constituted.Measuring tool reference block 1 is in
" work " font, is fitted together with trapezoid spiral lift angle gauge block 3, and 3 four sides of trapezoid spiral angular amount block are all with measuring tool
" work " font of reference block 1 plane is vertical, and two inclined-planes of trapezoid spiral lift angle gauge block 3 and two parallel surface angles are equal to the spiral shell of worm screw
Lift angle is revolved, measurement datum is used as；Normal pressure angular amount block 2 equivalent to the basic rack being meshed with Luo Dao a tooth, its
Angle face is twice of worm screw pressure angle, and this normal pressure angular amount block 2 is according to the design of worm screw pressure angle size, for different pressures
The worm screw at power angle chooses corresponding normal pressure angular amount block 2 and measured, standard pressure angle gauge block 2 and trapezoid spiral liter during measurement
Angular amount block 3 is applied in combination, first, and two panels specification identical normal pressure angular amount block 2 is placed on into " work " word of measurement tool reference block 1
On type bottom surface, then measured workpiece 4 is placed on two panels normal pressure angular amount block 2, lived with hand pressure, make normal pressure angular amount block 2 with
Worm screw Luo Dao is meshed, and is attached to measured workpiece 4 is cylindrical on 3 one parallel surfaces of trapezoid spiral lift angle gauge block, develops, mobile snail
Bar makes the inclined-plane base of normal pressure angular amount block 2 one lean against on the inclined-plane of trapezoid spiral lift angle gauge block 3, measures clearance delta β, just can calculate
The pressure angle of tested worm screw 4.Measurement is simple, fast.
Operation principle of the present utility model and specific works mode are as follows：
A kind of involute helicoid worm pressure angle special measuring tool described in the utility model, is according to the pressure at spiral shell road reference circle
Angle is equal to what the basic rack pressure angle principle being meshed was measured, if the spiral shell road pressure angle increase processed, with mark
During quasi- rack engagement, Luo Dao engagement spot diameter score degree circular diameter is small, and lead angle can become big, instead then as the same, and pressure angle
There is fixed relationship between lead angle, therefore, as long as measuring spiral shell road lead angle variation delta β just can calculate pressure angle.
【Embodiment】
Worm screw spiral shell road pressure angle is surveyed, selects the suitable normal pressure angular amount block 2 of two block specifications to be placed on measurement tool benchmark first
On block 1, then the tested Luo Dao of worm screw 4 is meshed with normal pressure angular amount block 2, worm screw is cylindrical to touch trapezoid spiral lift angle gauge block 3
Parallel surface, the inclined-plane base of normal pressure angular amount block 2 leaned against on the side inclined-plane of trapezoid spiral lift angle gauge block 3, measures both gaps
Δ β, just can calculate worm screw spiral shell road pressure angle.
Claims (1)
1. a kind of involute helicoid worm pressure angle special measuring tool, include measurement tool reference block (1), lead angle gauge block (3) and
Two pieces of normal pressure angular amount blocks (2), it is characterised in that：It is in " work " font to measure tool reference block (1), with trapezoid spiral lift angle amount
Block (3) is fitted together, and (3) four sides of trapezoid spiral angular amount block are all with measuring tool reference block (1) " work " font plane
Vertically, and two inclined-planes of trapezoid spiral lift angle gauge block (3) and two parallel surface angles are equal to the lead angle of worm screw, be used as measurement base
Quasi- face；Normal pressure angular amount block (2) is equivalent to a tooth of the basic rack being meshed with Luo Dao, and its angle face is worm screw pressure
Twice of angle, and this normal pressure angular amount block (2) is according to the design of worm screw pressure angle size, for the worm screw selection at different pressures angle
Corresponding normal pressure angular amount block (2) measures, standard pressure angle gauge block (2) and measurement tool reference block (1) group during measurement
Conjunction is used, first, and two panels specification identical normal pressure angular amount block (2) is placed on into measurement tool reference block (1) " work " font bottom
On face, then measured workpiece (4) is placed on two panels normal pressure angular amount block (2), lived with hand pressure, make normal pressure angular amount block (2)
It is meshed, and is attached to measured workpiece (4) is cylindrical trapezoid spiral lift angle gauge block (3) parallel surfaces on worm screw Luo Dao, is developed,
Mobile worm screw makes the inclined-plane base of normal pressure angular amount block (2) one lean against on lead angle gauge block (3) inclined-plane, measures clearance delta β, just
The pressure angle of tested worm screw can be calculated, measurement is simple, fast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083394.0U CN206399344U (en) | 2017-01-16 | 2017-01-16 | A kind of involute helicoid worm pressure angle special measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083394.0U CN206399344U (en) | 2017-01-16 | 2017-01-16 | A kind of involute helicoid worm pressure angle special measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399344U true CN206399344U (en) | 2017-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720083394.0U Expired - Fee Related CN206399344U (en) | 2017-01-16 | 2017-01-16 | A kind of involute helicoid worm pressure angle special measuring tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN206399344U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151623A (en) * | 2017-10-20 | 2018-06-12 | 武汉船用机械有限责任公司 | A kind of measurement tooling and measuring method |
| CN108317938A (en) * | 2017-01-16 | 2018-07-24 | 浙江师范大学 | A kind of involute helicoid worm pressure angle special measuring tool |
-
2017
- 2017-01-16 CN CN201720083394.0U patent/CN206399344U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317938A (en) * | 2017-01-16 | 2018-07-24 | 浙江师范大学 | A kind of involute helicoid worm pressure angle special measuring tool |
| CN108317938B (en) * | 2017-01-16 | 2023-05-12 | 浙江师范大学 | Special measuring tool for involute worm pressure angle |
| CN108151623A (en) * | 2017-10-20 | 2018-06-12 | 武汉船用机械有限责任公司 | A kind of measurement tooling and measuring method |
| CN108151623B (en) * | 2017-10-20 | 2020-03-27 | 武汉船用机械有限责任公司 | Measuring method |
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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: 20170811 Termination date: 20180116 |