CN208282767U - A kind of displacement sensor protector - Google Patents
A kind of displacement sensor protector Download PDFInfo
- Publication number
- CN208282767U CN208282767U CN201820645348.XU CN201820645348U CN208282767U CN 208282767 U CN208282767 U CN 208282767U CN 201820645348 U CN201820645348 U CN 201820645348U CN 208282767 U CN208282767 U CN 208282767U
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- CN
- China
- Prior art keywords
- displacement sensor
- cylinder body
- protection cylinder
- protection
- shell
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of displacement sensor protectors, belong to the apparatus field of hydraulic mill.The utility model 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 utility model is mainly used for by the way that displacement sensor protector is accessed compressed air, and keeping the protective device interior is 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 utility model belongs to the apparatus field of hydraulic (rolling metal rolling) milling train, more specifically to a kind of (pressure
Under) displacement sensor protector.
Background technique
Milling train is the important equipment of rolling plant, and the pressure oil cylinder (one kind of hydraulic cylinder) in milling train is milling train worked
The critical component of pressure is provided in journey, band is generated into plastic deformation under the effect of the pressure and realizes rolling.Depressing oil cylinder is to roll
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 (external) of pressure oil cylinder, determines to depress after being comprehensively compared by two sensors
The displacement of oil cylinder, the disadvantage is that since protective device is used for a long time in atomization rolling oil environment, and its interior pressure is made in breathing shape
Enter at greasy dirt, to ensure that gap preset is stablized, per two weeks, which need to shut down, carries out maintenance, maintenance cost to displacement sensor
Height, downtime are long.
Utility model content
Utility model technical problems to be solved
The purpose of the utility model is to overcome roll oil ring in atomization since protective device is used for a long time in the prior art
In border, and its interior pressure causes greasy dirt to enter the deficiencies of damaging displacement sensor, provides a kind of displacement sensor in breathing shape
Protective device, using the technical solution of the utility model, by the way that displacement sensor protector is accessed compressed air, keeping should
It is positive pressure in protective device, so that greasy dirt no longer sucks, when ensure that the measurement accuracy of displacement sensor, while also reducing shutdown
Between, production efficiency is improved, maintenance cost is reduced.
Technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of displacement sensor protector of the utility model is passed including mounting base and the displacement being fixed in mounting base
Sensor is provided with the air inlet with compressed air communication in the mounting base.
Further, the mounting base include protect shell and be set to protection shell on protection cylinder body, it is above-mentioned into
Port is set on protection shell, and a part of 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, it is external that the other end of the protection cylinder body stretches out protective shell, and is connected with pressure cap, and be located at pressure cap and above-mentioned protective shell
The pressure 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 structure, 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 passes through magnet ring and extend in pedestal.
Further, the air inlet is connected with filter device.
Beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) a kind of displacement sensor protector of the utility model, is provided in mounting base and compressed air communication
Air inlet.It should be understood that the utility model keeps the guarantor by the way that displacement sensor protector is accessed compressed air
It is positive pressure in protection unit, so that greasy dirt no longer sucks, when ensure that the measurement accuracy of displacement sensor, while also reducing shutdown
Between, production efficiency is improved, maintenance cost is reduced.
(2) a kind of displacement sensor protector of the utility model, pressure spring are sheathed on pressure cap in compressive state and protect
On protection cylinder body between protective case body, thus can guarantee pressure cap be against always pressure oil cylinder platform on, and then guarantee protection cylinder body with
The action consistency of piston rod, it is ensured that displacement sensor carries out the precise measurement of pressure cylinder piston rod shift position, improves position
The measurement accuracy of displacement sensor ensures the stability of gap preset, so that the operation of rolling can be gone on smoothly, meets rolling
The requirement of product thickness precision.
(3) a kind of displacement sensor protector of the utility model, reasonable in design, principle is simple, convenient for promoting
It uses.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of displacement sensor protector of the utility model；
Fig. 2 is the usage state diagram of displacement sensor protector in the utility model.
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, pressure spring；24, pressure cap；25, pedestal；26,
Magnet ring；27, lead-out wire；28, air inlet；
3, oil cylinder platform is depressed.
Specific embodiment
For the content for further appreciating that the utility model, the utility model 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 it is fixed on installation
Displacement sensor on seat is provided with the air inlet 28 with compressed air communication, air inlet 28 and filter device phase in mounting base
Connection.It should be understood that since the displacement sensor protector is used for a long time in atomization rolling oil environment, and its internal pressure
Power causes greasy dirt to enter in breathing shape, and to ensure that gap preset is stablized, per two weeks need to shut down and safeguard to displacement sensor
Maintenance, maintenance cost is high, and downtime is long, and in order to solve this technical problem, the utility model is by protecting displacement sensor
Device accesses compressed air, keeps ensure that the survey of displacement sensor so that greasy dirt no longer sucks for positive pressure in the protective device
Accuracy of measurement, while downtime is also reduced, production efficiency is improved, maintenance cost is reduced.It should be further noted that: milling train is set
Standby booting, 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
Port 28 is set on protection shell 20, and a part of 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 understood that protecting setting of the shell 20 with protection cylinder body 21 for being in the utility model
Displacement sensor provides protective action.
Specifically in the present embodiment, as shown in Figure 1, the protection cylindrical structure of cylinder body 21, 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 pressure 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 structure, 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 passes through magnet ring 26 and extend to pedestal
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, according to change in displacement voltage signal occurs for feedback signal by magnet ring 26, magneto strictive sensor 22, in actual use, such as Fig. 2
Shown, above-mentioned displacement sensor protector is installed on the both sides external (external) of pressure oil cylinder 1, passes through two displacement sensings
Device be comprehensively compared after determine pressure oil cylinder 1 displacement, 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 therefore the energy since above-mentioned pressure spring 23 is sheathed on pressure cap 24 in compressive state and protects on the protection cylinder body 21 between shell 20
Guarantee that pressure cap 24 is against always on pressure oil cylinder platform 3, and then guarantee the action consistency of protection cylinder body 21 and piston rod 11, really
The precise measurement that displacement sensor carries out pressure 1 piston rod of 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 gone on smoothly.
In addition, since sensing element is non-contacting, so will not cause to appoint to displacement sensor when piston rod 11 moves up and down
What wears.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of displacement sensor protector, including mounting base and the displacement sensor being fixed in mounting base, feature exists
In: it is provided in the mounting base and the air inlet of compressed air communication (28)；
Wherein:
The mounting base includes the protection cylinder body (21) protecting shell (20) and being set in protection shell (20), above-mentioned air inlet
Mouth (28) is set in protection shell (20), and a part of upper displacement sensors is set in protection shell (20), another portion
Set up separately and is placed in protection cylinder body (21).
2. a kind of displacement sensor protector according to claim 1, it is characterised in that: the protection cylinder body (21)
Cylindrical structure, one end of the protection cylinder body (21) can be in up and down insertion protections shell (20), the protection cylinder body (21)
The other end stretch out protection shell (20) outside, and be connected with pressure cap (24), and be located at pressure cap (24) and above-mentioned protection shell (20)
Between protection cylinder body (21) on be arranged with pressure spring (23) in compressive state.
3. a kind of displacement sensor protector according to claim 2, it is characterised in that: the protection shell (20)
Pedestal (25) are inside provided with, 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).
4. a kind of displacement sensor protector according to claim 3, it is characterised in that: the displacement sensor packet
Include magneto strictive sensor (22) and magnet ring (26), wherein the magnet ring (26) is installed on above-mentioned pedestal (25), the magnet ring
(26) inside is hollow structure, and the magnet ring (26) is connected by lead-out wire (27) with signal source circuit, the magnetostriction
Sensor (22) is located in above-mentioned protection cylinder body (21), and 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 protection cylinder body (21) outside, and passes through magnet ring (26) and prolong
It extends in pedestal (25).
5. a kind of displacement sensor protector according to any one of claims 1-4, it is characterised in that: it is described into
Port (28) is connected with filter device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645348.XU CN208282767U (en) | 2018-05-03 | 2018-05-03 | A kind of displacement sensor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645348.XU CN208282767U (en) | 2018-05-03 | 2018-05-03 | A kind of displacement sensor protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208282767U true CN208282767U (en) | 2018-12-25 |
Family
ID=64751180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820645348.XU Expired - Fee Related CN208282767U (en) | 2018-05-03 | 2018-05-03 | A kind of displacement sensor protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208282767U (en) |
-
2018
- 2018-05-03 CN CN201820645348.XU patent/CN208282767U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190715 Address after: 201613 Two Blocks 303 Songdong Road, Songjiang Industrial Zone, Shanghai Patentee after: Shanghai Ruiyisen Sensor Co., Ltd. Address before: 241000 Room 302, Unit 2, 21 Building, Yanshan Building, Hantang Town, New Smelting Village, Liushan North Road, Jiujiang District, Wuhu City, Anhui Province Patentee before: Xu Zhizheng |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 Termination date: 20200503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |