CN110320034A - A kind of linear bearing linearity measurer based on corner variation - Google Patents
A kind of linear bearing linearity measurer based on corner variation Download PDFInfo
- Publication number
- CN110320034A CN110320034A CN201910734024.2A CN201910734024A CN110320034A CN 110320034 A CN110320034 A CN 110320034A CN 201910734024 A CN201910734024 A CN 201910734024A CN 110320034 A CN110320034 A CN 110320034A
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- China
- Prior art keywords
- measuring rod
- gear
- magnetic head
- linear movement
- shell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A kind of linear bearing linearity measurer based on corner variation, including shell, measuring rod, gear, magnetic head, roll angle inspection element and signal processor；Measuring rod mounting hole is offered in shell, measuring rod is movable linearly in measuring rod mounting hole, and thrust spring is equipped between measuring rod and measuring rod mounting hole；Measurement club shaft surface offers linear movement guide groove；Limition orientation pin is fixed on shell, limition orientation dowel ends extend in linear movement guide groove, limition orientation pin and linear movement guide groove cooperation, can the revolution freedom degree to measuring rod be defined, can the linear movement range to measuring rod be defined；Gear is arranged in the shell of measuring rod side, and gear is free to rotate；It measures club shaft surface and is equipped with rack gear, wheel and rack is meshed；Magnetic head is packed in gear shaft end, and roll angle inspection element is mounted in shell and is arranged with magnetic head face；The signal output end of roll angle inspection element is electrically connected with signal processor.
Description
Technical field
The invention belongs to linear bearing abrasion detection technical fields, more particularly to a kind of linear axis based on corner variation
Hold linearity measurer.
Background technique
Linear bearing is a kind of rolling for linear motion or sliding bearing, small with frictional force, structure is reliable, holds
The features such as loading capability is strong, long distance running precision is high, long service life, is widely used in precision machine tool, textile machine, food
In the slide unit of the industrial machineries such as package packing machine, printing machinery.
The straightness of linear bearing can have a direct impact bearing movable linearity and robust motion, therefore, directly
Spool, which is held, can periodically carry out Linearity surveying in routine use, and common detection instrument is amesdial, and amesdial needs to fix
On Magnetic gauge stand, the straightness of linear bearing is then directly measured by amesdial.But the measurement of this detection mode
Precision is not high, is easy interference by enchancement factor, and automatic measurement can not be carried out in linear bearing operational process, also without
Method carries out Automatic analysis to measurement data.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of linear bearing straight line degree measurement based on corner variation
Device has the characteristics that measurement accuracy height and measurement sensitivity are high, can realize automatic measurement in linear bearing operational process, can
Automatic analysis is carried out to measurement data.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of linear bearing based on corner variation is straight
Dimension measuring device, including shell, measuring rod, gear, magnetic head, roll angle inspection element and signal processor；In the shell
Measuring rod mounting hole is offered, measuring rod mounting hole is blind hole structure, and the measuring rod is installed in measuring rod mounting hole, is measured
Bar has linear movement freedom degree in measuring rod mounting hole, connects between the tail end of measuring rod and the bottom hole of measuring rod mounting hole
It is connected to thrust spring；Linear movement guide groove, linear movement guide groove and measurement are offered on the body of rod surface of the measuring rod
Bar is parallel；It is fixed with limition orientation pin on the housing, limition orientation dowel ends extend to linear movement guide groove
It is interior, by limition orientation pin and linear movement guide groove cooperation, the revolution freedom degree of measuring rod is defined, and to survey
The linear movement range of gauge rod is defined；The gear is arranged in the shell of measuring rod side, the gear shaft of gear and survey
Gauge rod is perpendicular, and gear has revolution freedom degree；It is equipped with rack gear on the body of rod surface of the measuring rod, wheel and rack is mutually nibbled
It closes；The magnetic head is packed in the gear shaft end of gear, and the roll angle inspection element is mounted in shell and sets with magnetic head face
It sets, in magnetic head, there are measurement gaps with roll angle inspection element；The signal output end and signal processor of the roll angle inspection element
It is electrically connected.
The magnetic head is cylindrical permanent magnet, and the gear shaft of magnetic head and gear is coaxial connected.
The magnetic head only has a pair of of pole N-S.
The roll angle inspection element uses giant magnetoresistance element or three axis Hall elements.
Beneficial effects of the present invention:
Linear bearing linearity measurer based on corner variation of the invention has measurement accuracy height and measures sensitive
High feature is spent, can realize automatic measurement in linear bearing operational process, Automatic analysis can be carried out to measurement data.
Detailed description of the invention
Fig. 1 is a kind of front view of linear bearing linearity measurer based on corner variation of the invention；
Fig. 2 is a kind of side view of linear bearing linearity measurer based on corner variation of the invention；
In figure, 1-shell, 2-measuring rods, 3-gears, 4-magnetic heads, 5-roll angle inspection elements, the installation of 6-measuring rods
Hole, 7-thrust springs, 8-linear movement guide grooves, 9-limition orientation pins, 10-rack gears.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, 2, a kind of linear bearing linearity measurer based on corner variation, including shell 1, measuring rod
2, gear 3, magnetic head 4, roll angle inspection element 5 and signal processor；Measuring rod mounting hole 6 is offered in the shell 1, is measured
Bar mounting hole 6 is blind hole structure, and the measuring rod 2 is installed in measuring rod mounting hole 6, and measuring rod 2 is in measuring rod mounting hole 6
With linear movement freedom degree, thrust spring 7 is connected between the tail end of measuring rod 2 and the bottom hole of measuring rod mounting hole 6；?
The body of rod surface of the measuring rod 2 offers linear movement guide groove 8, and linear movement guide groove 8 is parallel with measuring rod 2；?
Limition orientation pin 9 is fixed on the shell 1,9 end of limition orientation pin extends in linear movement guide groove 8, passes through
Limition orientation pin 9 and linear movement guide groove 8 cooperate, and are defined to the revolution freedom degree of measuring rod 2, and to measuring rod
2 linear movement range is defined；The gear 3 is arranged in the shell 1 of 2 side of measuring rod, the gear shaft of gear 3 and survey
Gauge rod 2 is perpendicular, and gear 3 has revolution freedom degree；Rack gear 10, gear 3 and rack gear are equipped on the body of rod surface of the measuring rod 2
10 are meshed；The magnetic head 4 is packed in the gear shaft end of gear 3, the roll angle inspection element 5 be mounted in shell 1 and with
The setting of 4 face of magnetic head, in magnetic head 4, there are measurement gaps with roll angle inspection element 5；The signal of the roll angle inspection element 5 exports
End is electrically connected with signal processor.
The magnetic head 4 is cylindrical permanent magnet, and the gear shaft of magnetic head 4 and gear 3 is coaxial connected.
The magnetic head 4 only has a pair of pole N-S.
The roll angle inspection element 5 uses giant magnetoresistance element or three axis Hall elements.
Illustrate first use process of the invention with reference to the accompanying drawing:
Firstly, shell 1 and the bearing block of linear bearing are fixed together, guarantee that the tip of measuring rod 2 vertically acts against
On the guide rail of linear bearing, while ensuring that thrust spring 7 has certain decrement.
Next, moving the bearing block of linear bearing along guide rail, measuring rod 2 can be with the mobile synchronous production of bearing block
The variation of raw axial position since gear 3 is meshed with the rack gear 10 on 2 body of rod surface of measuring rod, can make in the process
Gear 3 is rotated in the forward direction or is reversely rotated, and in 3 rotary course of gear, magnetic head 4 can also follow 3 synchronous rotary of gear, at this time magnetic
First 4 rotation angle will directly pass through 5 automatic measurement of roll angle inspection element, and the rotation obtained measured by roll angle inspection element 5
Angle-data will be transmitted directly in signal processor, and signal processor can be analyzed and processed pivoting angle data, and same
Step is converted into straightness data.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (4)
1. a kind of linear bearing linearity measurer based on corner variation, it is characterised in that: including shell, measuring rod, tooth
Wheel, magnetic head, roll angle inspection element and signal processor；Measuring rod mounting hole, measuring rod mounting hole are offered in the shell
For blind hole structure, the measuring rod is installed in measuring rod mounting hole, and measuring rod has linear movement in measuring rod mounting hole
Freedom degree is connected with thrust spring between the tail end of measuring rod and the bottom hole of measuring rod mounting hole；In the bar of the measuring rod
Body surface face offers linear movement guide groove, and linear movement guide groove is parallel with measuring rod；It is fixedly mounted on the housing limited
Position guide pin, limition orientation dowel ends extend in linear movement guide groove, pass through limition orientation pin and linear movement
Guide groove cooperation, is defined the revolution freedom degree of measuring rod, and be defined to the linear movement range of measuring rod；Institute
It states gear to be arranged in the shell of measuring rod side, the gear shaft and measuring rod of gear are perpendicular, and gear has revolution freedom degree；
It is equipped with rack gear on the body of rod surface of the measuring rod, wheel and rack is meshed；The magnetic head is packed in the gear shaft terminal of gear
Portion, the roll angle inspection element are mounted in shell and are arranged with magnetic head face, and in magnetic head, there are measurements with roll angle inspection element
Gap；The signal output end of the roll angle inspection element is electrically connected with signal processor.
2. a kind of linear bearing linearity measurer based on corner variation according to claim 1, it is characterised in that:
The magnetic head is cylindrical permanent magnet, and the gear shaft of magnetic head and gear is coaxial connected.
3. a kind of linear bearing linearity measurer based on corner variation according to claim 2, it is characterised in that:
The magnetic head only has a pair of of pole N-S.
4. a kind of linear bearing linearity measurer based on corner variation according to claim 1, it is characterised in that:
The roll angle inspection element uses giant magnetoresistance element or three axis Hall elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734024.2A CN110320034A (en) | 2019-08-09 | 2019-08-09 | A kind of linear bearing linearity measurer based on corner variation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734024.2A CN110320034A (en) | 2019-08-09 | 2019-08-09 | A kind of linear bearing linearity measurer based on corner variation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110320034A true CN110320034A (en) | 2019-10-11 |
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ID=68125958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910734024.2A Pending CN110320034A (en) | 2019-08-09 | 2019-08-09 | A kind of linear bearing linearity measurer based on corner variation |
Country Status (1)
| Country | Link |
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| CN (1) | CN110320034A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536334A (en) * | 2020-11-17 | 2021-03-23 | 贵州西南装备制造有限公司 | High-efficient operation's machine that rises |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982725A (en) * | 2010-09-17 | 2011-03-02 | 中天仕名（徐州）重型机械有限公司 | Inductance-type double measuring bar butted planeness detector |
| CN202149756U (en) * | 2011-06-17 | 2012-02-22 | 唐臻宇 | Length or angle measuring device and circuit structure thereof |
| CN203454943U (en) * | 2013-07-09 | 2014-02-26 | 国家电网公司 | Rack-and-pinion type shifter |
| CN106926894A (en) * | 2015-12-31 | 2017-07-07 | 罗伯特·博世有限公司 | Steering wheel rotation information determining device and steering wheel rotation information determine method |
| CN108180869A (en) * | 2017-12-26 | 2018-06-19 | 西安交通大学 | A kind of axis and shaft parts straightness intelligent measurement school shape equipment |
| CN207610685U (en) * | 2017-12-28 | 2018-07-13 | 湖南北斗微芯产业发展有限公司 | A kind of high precision displacement monitoring device |
| CN108534652A (en) * | 2018-05-07 | 2018-09-14 | 重庆交通大学 | A kind of anchorage structures displacement monitor and method based on inductance value variation |
-
2019
- 2019-08-09 CN CN201910734024.2A patent/CN110320034A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982725A (en) * | 2010-09-17 | 2011-03-02 | 中天仕名（徐州）重型机械有限公司 | Inductance-type double measuring bar butted planeness detector |
| CN202149756U (en) * | 2011-06-17 | 2012-02-22 | 唐臻宇 | Length or angle measuring device and circuit structure thereof |
| CN203454943U (en) * | 2013-07-09 | 2014-02-26 | 国家电网公司 | Rack-and-pinion type shifter |
| CN106926894A (en) * | 2015-12-31 | 2017-07-07 | 罗伯特·博世有限公司 | Steering wheel rotation information determining device and steering wheel rotation information determine method |
| CN108180869A (en) * | 2017-12-26 | 2018-06-19 | 西安交通大学 | A kind of axis and shaft parts straightness intelligent measurement school shape equipment |
| CN207610685U (en) * | 2017-12-28 | 2018-07-13 | 湖南北斗微芯产业发展有限公司 | A kind of high precision displacement monitoring device |
| CN108534652A (en) * | 2018-05-07 | 2018-09-14 | 重庆交通大学 | A kind of anchorage structures displacement monitor and method based on inductance value variation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536334A (en) * | 2020-11-17 | 2021-03-23 | 贵州西南装备制造有限公司 | High-efficient operation's machine that rises |
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| PB01 | Publication | ||
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Application publication date: 20191011 |