CN203629501U - High precision height gauge - Google Patents
High precision height gauge Download PDFInfo
- Publication number
- CN203629501U CN203629501U CN201320690440.5U CN201320690440U CN203629501U CN 203629501 U CN203629501 U CN 203629501U CN 201320690440 U CN201320690440 U CN 201320690440U CN 203629501 U CN203629501 U CN 203629501U
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- Prior art keywords
- height gauge
- counting
- gear shaft
- gear
- tooth bar
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- 230000000712 assembly Effects 0.000 claims description 30
- 238000000429 assembly Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 239000008358 core component Substances 0.000 abstract 4
- 239000000306 component Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 210000002105 tongue Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a high precision height gauge which comprises a base which is vertically provided with a counting rack and a transmission rack respectively. The counting rack and the transmission rack are respectively provided with a vernier caliper. The vernier calipers are provided with a core component and a reading component together. The core component and the counting rack are in engagement. The core component is connected with the reading component. A measuring foot is arranged at one side of the vernier calipers close to the core component. A hand wheel is arranged at the back side of the vernier calipers. According to the high precision height gauge, the disadvantages of low measurement precision and large errors of an existing double-column structure height rule are solved, through changing the parameters of the counting rack and a gear shaft which are engaged mutually, the transmission counting accuracy and sensitivity of a period wheel are improved, return errors are reduced, and the measurement precision of the high precision height gauge is much higher than that of an ordinary height ruler.
Description
Technical field
The utility model belongs to technical field of measuring equipment, relates to a kind of high precision height gauge.
Background technology
Two pillar construction height gauges in the market comprise respectively two kinds of twin columns band table height gauge and double-colomn digital indication tongues, wherein two kinds of structure right side columns are all the driving racks of realizing lifting for the ease of hand, tooth pitch is t=1.00mm, another root post is the counting tooth bar of installing machine core assembly, tooth pitch t=0.625mm or t=0.635mm, flute profile is involute urve, modulus m=0.19894 or m=0.20213, the counting technical parameter of tooth bar and the parameter of cartridge assemblies middle gear axle are all one of principal elements affecting the height gauge error of indication.
The product of this structural parameters, the gear shaft tooth pitch of processing counting tooth bar and maker core assembly is larger, modulus is larger, gear drive cost is lower, manufacture relatively easy, but transmission accuracy is lower, cumulative errors are larger, indicating value fluctuation is larger, the height gauge error of indication after assembling is 300mm ± 0.04mm and 600mm ± 0.06mm, and hysterisis error is large, use different detection methods, can produce different results, on market, easily form dispute, for same height gauge, there is cutter head to detect, lever meter detects and clock gauge detects three kinds of detection methods, the error of any point height all should be in qualified claimed range in theory, in fact the result meeting difference of three kinds of method measurement same point height, even overproof, can not meet high-acruracy survey requirement.
Therefore there is the shortcoming that measuring accuracy is not high, error is larger in existing pair of pillar construction height gauge.
Utility model content
The purpose of this utility model is to provide a kind of high precision height gauge, has solved the shortcoming that measuring accuracy is not high, error is larger that existing pair of pillar construction height gauge exists.
The technical scheme that the utility model adopts is, a kind of high precision height gauge, comprise base, on base, be vertically respectively equipped with counting tooth bar and driving rack, on counting tooth bar and driving rack, be respectively arranged with vernier scale, on vernier scale, be jointly provided with cartridge assemblies and reading assembly, cartridge assemblies and counting tooth bar are meshed, cartridge assemblies is connected with reading assembly, and the side near cartridge assemblies on vernier scale is provided with measurement pin, and the back side of vernier scale is provided with handwheel.
Feature of the present utility model is also,
The modulus of counting tooth bar is 0.15915, and tooth pitch is 0.5mm.
Cartridge assemblies comprises the train wheel bridge and the lower plate that be arranged in parallel, between train wheel bridge and lower plate, be provided with gear shaft, on gear shaft, be engaged with plate gear, on plate gear, be engaged with turning axle, plate gear and gear shaft are all between train wheel bridge and lower plate, and turning axle is connected with reading assembly, and gear shaft is meshed with counting tooth bar, the modulus of gear shaft is 0.15915, and the number of teeth is 20.
Cartridge assemblies comprises the train wheel bridge and the lower plate that be arranged in parallel, between train wheel bridge and lower plate, be provided with gear shaft, on gear shaft, be engaged with plate gear, plate gear, between train wheel bridge and lower plate, is engaged with rotatory on plate gear, rotatory is positioned at train wheel bridge and lower plate and surrounds the outside in space, rotatory is connected with reading assembly, gear shaft is meshed with counting tooth bar, and the modulus of gear shaft is 0.15915, and the number of teeth is 20.
The beneficial effects of the utility model are, a kind of high precision height gauge of the present utility model has solved the shortcoming that measuring accuracy is not high, error is larger that existing pair of pillar construction height gauge exists, a kind of high precision height gauge of the present utility model is by changing intermeshing counting rack and pinion axle parameter, transmission counting precision and the sensitivity of cycle gear are improved, reduce hysterisis error, made measuring accuracy far away higher than common height gauge.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of high precision height gauge of the present utility model;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the structural representation of a kind of cartridge assemblies in Fig. 1;
Fig. 4 is the structural representation of another kind of cartridge assemblies in Fig. 1.
In figure, 1. base, 2. counting tooth bar, 3. driving rack, 4. vernier scale, 5. cartridge assemblies, 6. reading assembly, 51. train wheel bridges, 52. lower plates, 53. gear shafts, 54. turning axles, 55. plate gears, 56. rotatories.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The utility model provides a kind of high precision height gauge, its structure is referring to Fig. 1 and Fig. 2, comprise base 1, on base 1, be vertically respectively equipped with counting tooth bar 2 and driving rack 3, on counting tooth bar 2 and driving rack 3, be respectively arranged with vernier scale 4, on vernier scale 4, be jointly provided with cartridge assemblies 5 and reading assembly 6, cartridge assemblies 5 and counting tooth bar 2 are meshed, cartridge assemblies 5 is connected with reading assembly 6, on vernier scale 4, be provided with and measure pin 7 near a side of cartridge assemblies 5, the back side of vernier scale 4 is provided with handwheel 8.
The modulus of counting tooth bar 2 is 0.15915, and tooth pitch is 0.5mm.
As shown in Figure 3, cartridge assemblies 5 comprises the train wheel bridge 51 and the lower plate 52 that be arranged in parallel, between train wheel bridge 51 and lower plate 52, be provided with gear shaft 53, on gear shaft 53, be engaged with plate gear 55, be engaged with turning axle 54 on plate gear 55, plate gear 55 and gear shaft 53 are all between train wheel bridge 51 and lower plate 52, turning axle 54 is connected with reading assembly 6, gear shaft 53 is meshed with counting tooth bar 2, and the modulus of gear shaft 53 is 0.15915, and the number of teeth is 20.
Height gauge is twin columns band table height gauge, and reading assembly 6 is dial type.
Object under test and band tabular form height gauge of the present utility model are placed in same horizontal table top, shake handwheel 8 rises vernier scale 4, gear shaft 53 is being meshed and is rising with counting tooth bar 2 therebetween, the plate gear 55 engaging with it also driven rotary axle 54 rotates simultaneously, the pointer of the display module 6 being connected with turning axle 54 rotates, until measurement pin 7 is just stuck in the upper end of object under test, read integer size by the reading on chi frame, the fraction part of adding the pointer instruction of reading assembly 6 can obtain the height of object under test.
All one of principal element affecting the height gauge error of indication owing to counting the technical parameter of tooth bar 2 and the parameter of cartridge assemblies 5 middle gear axles 53, so first the utility model is the precision that improves counting tooth bar, change by parameter realizes, select the tooth pitch t=0.5mm of counting tooth bar, next is to change and the parameter of the gear shaft that is meshed of counting tooth bar, we select gear shaft modulus m=0.15915, tooth number Z=20.
Count like this parameter of tooth bar and cartridge assemblies middle gear axle by change, transmission counting precision and the sensitivity of cycle gear are greatly improved, reduce hysterisis error, after assembling, detect qualified height gauge precision far away higher than common height gauge, and maximum error and least error fluctuation range narrow down to 300mm ± 0.02mm, thereby for same height gauge, detection method come what may, the error of indication is all qualified, really improve the measuring accuracy of height gauge, reached world's like product advanced level.
The utility model provides a kind of high precision height gauge, its structure is referring to Fig. 1 and Fig. 2, comprise base 1, on base 1, be vertically respectively equipped with counting tooth bar 2 and driving rack 3, on counting tooth bar 2 and driving rack 3, be respectively arranged with vernier scale 4, on vernier scale 4, be jointly provided with cartridge assemblies 5 and reading assembly 6, cartridge assemblies 5 and counting tooth bar 2 are meshed, cartridge assemblies 5 is connected with reading assembly 6, on vernier scale 4, be provided with and measure pin 7 near a side of cartridge assemblies 5, the back side of vernier scale 4 is provided with handwheel 8.
The modulus of counting tooth bar 2 is 0.15915, and tooth pitch is 0.5mm.
As shown in Figure 4, cartridge assemblies 5 comprises the train wheel bridge 51 and the lower plate 52 that be arranged in parallel, between train wheel bridge 51 and lower plate 52, be provided with gear shaft 53, on gear shaft 53, be engaged with plate gear 55, plate gear 55 is between train wheel bridge 51 and lower plate 52, on plate gear 55, be engaged with rotatory 56, rotatory 56 is positioned at train wheel bridge 51 and lower plate 52 and surrounds the outside in space, rotatory 56 is connected with reading assembly 6, gear shaft 53 is meshed with counting tooth bar 2, the modulus of gear shaft 53 is 0.15915, and the number of teeth is 20.
Height gauge is double-colomn digital indication tongue, and reading assembly 6 is digital display type.
Object under test and band tabular form height gauge of the present utility model are placed in same horizontal table top, shake handwheel 8 rises vernier scale 4, gear shaft 53 is being meshed and is rising with counting tooth bar 2 therebetween, the plate gear 55 engaging with it also driven rotary grid 56 rotates simultaneously, rotatory 56 is connected with the piezoelectricity inductive means of the reading assembly 6 of digital display type, when rotatory 56 rotates, voltage inductance induced current is passed to the Signal Processing Element of reading assembly 6 by piezoelectricity inductive means, until measurement pin 7 is just stuck in the upper end of object under test, can obtain the height of object under test by reading display screen numerical value on reading assembly 6.
All one of principal element affecting the height gauge error of indication owing to counting the technical parameter of tooth bar 2 and the parameter of cartridge assemblies 5 middle gear axles 53, so first the utility model is the precision that improves counting tooth bar, change by parameter realizes, select the tooth pitch t=0.5mm of counting tooth bar, next is to change and the parameter of the gear shaft that is meshed of counting tooth bar, we select gear shaft modulus m=0.15915, tooth number Z=20.
Count like this parameter of tooth bar and cartridge assemblies middle gear axle by change, transmission counting precision and the sensitivity of cycle gear are greatly improved, reduce hysterisis error, after assembling, detect qualified height gauge precision far away higher than common height gauge, and maximum error and least error fluctuation range narrow down to 300mm ± 0.02mm, thereby for same height gauge, detection method come what may, the error of indication is all qualified, really improve the measuring accuracy of height gauge, reached world's like product advanced level.
By with upper type, a kind of high precision height gauge of the present utility model has solved the shortcoming that measuring accuracy is not high, error is larger that existing pair of pillar construction height gauge exists, a kind of high precision height gauge of the present utility model is by changing intermeshing counting rack and pinion axle parameter, transmission counting precision and the sensitivity of cycle gear are improved, reduce hysterisis error, made measuring accuracy far away higher than common height gauge.
Claims (4)
1. a high precision height gauge, it is characterized in that, comprise base (1), on base (1), be vertically respectively equipped with counting tooth bar (2) and driving rack (3), on counting tooth bar (2) and driving rack (3), be respectively arranged with vernier scale (4), on vernier scale (4), be jointly provided with cartridge assemblies (5) and reading assembly (6), cartridge assemblies (5) and counting tooth bar (2) are meshed, cartridge assemblies (5) is connected with reading assembly (6), the upper side near cartridge assemblies (5) of vernier scale (4) is provided with measures pin (7), the back side of vernier scale (4) is provided with handwheel (8).
2. a kind of high precision height gauge as claimed in claim 1, is characterized in that, the modulus of described counting tooth bar (2) is 0.15915, and tooth pitch is 0.5mm.
3. a kind of high precision height gauge as claimed in claim 1 or 2, it is characterized in that, described cartridge assemblies (5) comprises the train wheel bridge (51) and the lower plate (52) that be arranged in parallel, between train wheel bridge (51) and lower plate (52), be provided with gear shaft (53), on gear shaft (53), be engaged with plate gear (55), on plate gear (55), be engaged with turning axle (54), plate gear (55) and gear shaft (53) are all positioned between train wheel bridge (51) and lower plate (52), turning axle (54) is connected with reading assembly (6), gear shaft (53) is meshed with counting tooth bar (2), the modulus of gear shaft (53) is 0.15915, the number of teeth is 20.
4. a kind of high precision height gauge as claimed in claim 1 or 2, it is characterized in that, described cartridge assemblies (5) comprises the train wheel bridge (51) and the lower plate (52) that be arranged in parallel, between train wheel bridge (51) and lower plate (52), be provided with gear shaft (53), on gear shaft (53), be engaged with plate gear (55), plate gear (55) is positioned between train wheel bridge (51) and lower plate (52), on plate gear (55), be engaged with rotatory (56), rotatory (56) is positioned at train wheel bridge (51) and lower plate (52) and surrounds the outside in space, rotatory (56) is connected with reading assembly (6), gear shaft (53) is meshed with counting tooth bar (2), the modulus of gear shaft (53) is 0.15915, the number of teeth is 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690440.5U CN203629501U (en) | 2013-11-01 | 2013-11-01 | High precision height gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690440.5U CN203629501U (en) | 2013-11-01 | 2013-11-01 | High precision height gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629501U true CN203629501U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320690440.5U Expired - Lifetime CN203629501U (en) | 2013-11-01 | 2013-11-01 | High precision height gauge |
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| Country | Link |
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| CN (1) | CN203629501U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406489A (en) * | 2014-10-21 | 2015-03-11 | 康春平 | Calibration method for digital display height gauge indicating value error |
| CN105627962A (en) * | 2015-12-17 | 2016-06-01 | 芜湖市甬微制冷配件制造有限公司 | Crankshaft flange height gauge |
| CN109493576A (en) * | 2018-11-29 | 2019-03-19 | 刘玉婷 | A kind of intelligent city's traffic indicating equipment |
| CN111336934A (en) * | 2020-03-30 | 2020-06-26 | 上海剑曼自动化科技有限公司 | General type high accuracy grating height gauge |
-
2013
- 2013-11-01 CN CN201320690440.5U patent/CN203629501U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406489A (en) * | 2014-10-21 | 2015-03-11 | 康春平 | Calibration method for digital display height gauge indicating value error |
| CN105627962A (en) * | 2015-12-17 | 2016-06-01 | 芜湖市甬微制冷配件制造有限公司 | Crankshaft flange height gauge |
| CN109493576A (en) * | 2018-11-29 | 2019-03-19 | 刘玉婷 | A kind of intelligent city's traffic indicating equipment |
| CN109493576B (en) * | 2018-11-29 | 2021-04-06 | 烟台市原企交通工程有限公司 | Traffic indicating equipment for intelligent city |
| CN111336934A (en) * | 2020-03-30 | 2020-06-26 | 上海剑曼自动化科技有限公司 | General type high accuracy grating height gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
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| CX01 | Expiry of patent term |