CN108286933A - A kind of displacement sensor protector - Google Patents
A kind of displacement sensor protector Download PDFInfo
- Publication number
- CN108286933A CN108286933A CN201810412008.7A CN201810412008A CN108286933A CN 108286933 A CN108286933 A CN 108286933A CN 201810412008 A CN201810412008 A CN 201810412008A CN 108286933 A CN108286933 A CN 108286933A
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- CN
- China
- Prior art keywords
- displacement sensor
- cylinder body
- protection cylinder
- protection
- mounting base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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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
The invention discloses a kind of displacement sensor protectors, belong to the apparatus field of hydraulic mill.The present invention includes mounting base and the displacement sensor that is fixed in mounting base, and the air inlet with compressed air communication is provided in mounting base.The present invention's is mainly used for, by the way that displacement sensor protector is accessed compressed air, keeping in the protective device as positive pressure so that greasy dirt no longer sucks; it ensure that the measurement accuracy of displacement sensor; downtime is also reduced simultaneously, improves production efficiency, reduces maintenance cost.
Description
Technical field
The invention belongs to hydraulic pressure（Rolling metal rolls）The apparatus field of milling train, more specifically to one kind（Pressure）
Displacement sensor protector.
Background technology
Milling train is the important equipment of rolling plant, the pressure oil cylinder in milling train（One kind of hydraulic cylinder）It is milling train worked
The critical component of pressure is provided in journey, band, which is generated plastic deformation, under the effect of the pressure realizes rolling.It is to roll to depress oil cylinder
Important component on machine, and displacement sensor is then essential position detecting element in pressure oil cylinder, its precision is straight
The quality for influencing milling train production product is connect, so the periodic maintenance work to it is particularly important.Currently, displacement sensor is logical
Overprotection device is mounted on the both sides external of pressure oil cylinder（External）, by determining to depress after two sensor Integrated comparatives
The displacement of oil cylinder, the disadvantage is that since protective device is used for a long time in atomization rolls oil environment, and its interior pressure is made in breathing shape
Enter at greasy dirt, to ensure that gap preset is stablized, need to be shut down per two weeks and maintaining, maintenance cost are carried out to displacement sensor
Height, downtime are long.
Invention content
Technical problems to be solved by the inivention
It is an object of the invention to overcome in the prior art since protective device is used for a long time in atomization rolls oil environment, and its
Interior pressure causes greasy dirt to enter the deficiencies of damaging displacement sensor, provides a kind of displacement sensor protector in breathing shape,
Technical solution using the present invention, by the way that displacement sensor protector is accessed compressed air, keep be in the protective device
Positive pressure so that greasy dirt no longer sucks, and ensure that the measurement accuracy of displacement sensor, while also reducing downtime, improves production
Efficiency reduces maintenance cost.
Technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
A kind of displacement sensor protector of the present invention, including mounting base and the displacement sensor being fixed in mounting base, institute
State the air inlet being provided in mounting base with compressed air communication.
Further, the mounting base include protect shell and be set to protection shell on protection cylinder body, it is above-mentioned into
Gas port is set on protection shell, and a part for upper displacement sensors is set in protective shell body, and another part is set to guarantor
It protects in cylinder body.
Further, one end of the cylindrical structure of protection cylinder body, the protection cylinder body can up and down insertion guarantor
In protective case body, the other end stretching protective shell of the protection cylinder body is external, and is connected with pressure cap, and positioned at pressure cap and above-mentioned protective shell
The compression spring in compressive state is arranged on protection cylinder body between body.
Further, it is provided with pedestal in the protective shell body, which is located at the surface of above-mentioned protection cylinder body, and
The outer diameter of the pedestal is less than the internal diameter of protection cylinder body.
Further, the displacement sensor includes magneto strictive sensor and magnet ring, wherein the magnet ring is installed on
On above-mentioned pedestal, the inside of the magnet ring is hollow-core construction, and the magnet ring is connected by lead-out wire with signal source circuit, the mangneto
Telescoping sensor is located in above-mentioned protection cylinder body, and one end of the magneto strictive sensor is threadingly attached on above-mentioned pressure cap,
And the other end of the magneto strictive sensor stretches out outside protection cylinder body, and extended in pedestal across magnet ring.
Further, the air inlet is connected with filter device.
Advantageous effect
Using technical solution provided by the invention, compared with prior art, have the advantages that：
（1）A kind of displacement sensor protector of the present invention is provided with the air inlet with compressed air communication in mounting base.
It should be noted that：The present invention is kept in the protective device by the way that displacement sensor protector is accessed compressed air as just
Pressure so that greasy dirt no longer sucks, and ensure that the measurement accuracy of displacement sensor, while also reducing downtime, improves production effect
Rate reduces maintenance cost.
（2）A kind of displacement sensor protector of the present invention, compression spring are sheathed on pressure cap and protective shell in compressive state
It on protection cylinder body between body, therefore can guarantee that pressure cap is against always on pressure oil cylinder platform, and then ensure protection cylinder body and piston
The action consistency of bar, it is ensured that displacement sensor carries out the accurate measurement of pressure cylinder piston rod shift position, improves displacement and passes
The measurement accuracy of sensor ensures the stability of gap preset, so that the operation of rolling can be smoothed out, meets rolled products
The requirement of thickness and precision.
（3）A kind of displacement sensor protector of the present invention, reasonable in design, principle is simple, convenient for promoting the use of.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of displacement sensor protector of the present invention；
Fig. 2 is the usage state diagram of displacement sensor protector in the present invention.
Label declaration in schematic diagram：
1, oil cylinder is depressed；11, piston rod；
20, shell is protected；21, cylinder body is protected；22, magneto strictive sensor；23, compression spring；24, pressure cap；25, pedestal；26, magnetic
Ring；27, lead-out wire；28, air inlet；
3, oil cylinder platform is depressed.
Specific implementation mode
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
A kind of displacement sensor protector of the present embodiment combined with Figure 1 and Figure 2, including mounting base and be fixed in mounting base
Displacement sensor, be provided in mounting base and be connected with filter device with the air inlet of compressed air communication 28, air inlet 28.
It should be noted that：Since the displacement sensor protector is used for a long time in atomization rolls oil environment, and its interior pressure is in
Shape is breathed, greasy dirt is caused to enter, to ensure that gap preset is stablized, need to be shut down per two weeks and maintenance guarantor is carried out to displacement sensor
It supports, maintenance cost is high, and downtime is long, and to solve this technical problem, the present invention is by connecing displacement sensor protector
Enter compressed air, keep being positive pressure in the protective device so that greasy dirt no longer sucks, and ensure that the measurement essence of displacement sensor
Degree, while downtime is also reduced, production efficiency is improved, maintenance cost is reduced.It should be further noted that：Milling equipment is opened
Machine, compressed air are passed through automatically, and milling equipment is shut down, and compressed air, which is automatically stopped, to be passed through.
As shown in Figure 1, mounting base include protect shell 20 and be set to protection shell 20 on protection cylinder body 21, it is above-mentioned into
Gas port 28 is set on protection shell 20, and a part for upper displacement sensors is set in protection shell 20, and another part is set
It is placed in protection cylinder body 21.It should be noted that：Shell 20 is protected to be used for as displacement with the setting of cylinder body 21 is protected in the present invention
Sensor provides protective action.
Specifically in the present embodiment, as shown in Figure 1, protection 21 cylindrical structure of cylinder body, one end of the protection cylinder body 21
Can be in up and down insertion protection shell 20, the other end of the protection cylinder body 21 stretches out outside protection shell 20, and solid with pressure cap 24
Even, and the compression spring 23 in compressive state is arranged on the protection cylinder body 21 between pressure cap 24 and above-mentioned protection shell 20.It protects
Pedestal 25 is provided in protective case body 20, which is located at the surface of above-mentioned protection cylinder body 21, and the outer diameter of the pedestal 25 is small
In the internal diameter of protection cylinder body 21.Displacement sensor includes magneto strictive sensor 22 and magnet ring 26, wherein magnet ring 26 is installed on
It states on pedestal 25, the inside of the magnet ring 26 is hollow-core construction, and the magnet ring 26 is connected by lead-out wire 27 with signal source circuit, magnetic
Telescoping sensor 22 is caused to be located in above-mentioned protection cylinder body 21, one end of the magneto strictive sensor 22 is threadingly attached to above-mentioned
On pressure cap 24, and the other end of the magneto strictive sensor 22 stretches out outside protection cylinder body 21, and extends to pedestal across magnet ring 26
In 25.
During metal rolled, rolling mill AGC control system need to adjust the change of roll gap by depressing the displacement of oil cylinder 1
Change, by magnet ring 26, magneto strictive sensor 22 according to change in displacement voltage signal occurs for feedback signal, in actual use, such as Fig. 2
Shown, above-mentioned displacement sensor protector is installed on the both sides external of pressure oil cylinder 1（External）, pass through two displacement sensings
The displacement of pressure oil cylinder 1 is determined after device Integrated comparative, it should be noted that：Above-mentioned protection cylinder body 21 need to pressure oil cylinder 1 in
The piston rod 11 of setting is arranged in parallel, and above-mentioned pressure cap 24 and piston rod 11 are against on pressure oil cylinder platform 3, are needed herein
Bright is since above-mentioned compression spring 23 is sheathed on pressure cap 24 in compressive state and protects on the protection cylinder body 21 between shell 20, therefore energy
Ensure that pressure cap 24 is against always on pressure oil cylinder platform 3, and then ensure the action consistency of protection cylinder body 21 and piston rod 11, really
The accurate measurement that displacement sensor carries out 1 piston rod of pressure oil cylinder, 11 shift position is protected, the measurement accuracy of displacement sensor is improved,
Ensure that the stability of gap preset meets the requirement of rolled products thickness and precision so that the operation of rolling can be smoothed out.
In addition, since sensing element is non-contacting, so when piston rod 11 moves up and down, displacement sensor will not be caused to appoint
What wears.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (6)
1. a kind of displacement sensor protector, including mounting base and the displacement sensor that is fixed in mounting base, feature exist
In：The air inlet with compressed air communication is provided in the mounting base（28）.
2. a kind of displacement sensor protector according to claim 1, it is characterised in that：The mounting base includes protecting
Protective case body（20）Be set to protection shell（20）On protection cylinder body（21）, above-mentioned air inlet（28）It is set to protection shell
（20）On, a part for upper displacement sensors is set to protection shell（20）Interior, another part is set to protection cylinder body（21）
It is interior.
3. a kind of displacement sensor protector according to claim 2, it is characterised in that：The protection cylinder body（21）
Cylindrical structure, the protection cylinder body（21）One end can up and down insertion protect shell（20）It is interior, the protection cylinder body（21）
The other end stretch out protection shell（20）Outside, and and pressure cap（24）It is connected, and is located at pressure cap（24）With above-mentioned protection shell（20）
Between protection cylinder body（21）On be arranged with compression spring in compressive state（23）.
4. a kind of displacement sensor protector according to claim 3, it is characterised in that：The protection shell（20）
Inside it is provided with pedestal（25）, the pedestal（25）Positioned at above-mentioned protection cylinder body（21）Surface, and the pedestal（25）Outer diameter it is small
In protection cylinder body（21）Internal diameter.
5. a kind of displacement sensor protector according to claim 4, it is characterised in that：The displacement sensor packet
Include magneto strictive sensor（22）And magnet ring（26）, wherein the magnet ring（26）It is installed on above-mentioned pedestal（25）On, the magnet ring
（26）Inside be hollow-core construction, and the magnet ring（26）Pass through lead-out wire（27）It is connected with signal source circuit, the magnetostriction
Sensor（22）Positioned at above-mentioned protection cylinder body（21）It is interior, the magneto strictive sensor（22）One end be threadingly attached to it is above-mentioned
Pressure cap（24）On, and the magneto strictive sensor（22）The other end stretch out protection cylinder body（21）Outside, and magnet ring is passed through（26）Prolong
Extend to pedestal（25）It is interior.
6. according to a kind of displacement sensor protector described in claim 1-5 any one, it is characterised in that：It is described into
Gas port（28）It is connected with filter device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412008.7A CN108286933A (en) | 2018-05-03 | 2018-05-03 | A kind of displacement sensor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412008.7A CN108286933A (en) | 2018-05-03 | 2018-05-03 | A kind of displacement sensor protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108286933A true CN108286933A (en) | 2018-07-17 |
Family
ID=62834853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810412008.7A Withdrawn CN108286933A (en) | 2018-05-03 | 2018-05-03 | A kind of displacement sensor protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108286933A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197731A (en) * | 2020-11-30 | 2021-01-08 | 江苏集萃精凯高端装备技术有限公司 | Inner diameter detection assembly |
-
2018
- 2018-05-03 CN CN201810412008.7A patent/CN108286933A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197731A (en) * | 2020-11-30 | 2021-01-08 | 江苏集萃精凯高端装备技术有限公司 | Inner diameter detection assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180717 |
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| WW01 | Invention patent application withdrawn after publication |