CN202083342U - Displacement sensor for detecting conveying deviation of steel strips - Google Patents
Displacement sensor for detecting conveying deviation of steel strips Download PDFInfo
- Publication number
- CN202083342U CN202083342U CN2011201750863U CN201120175086U CN202083342U CN 202083342 U CN202083342 U CN 202083342U CN 2011201750863 U CN2011201750863 U CN 2011201750863U CN 201120175086 U CN201120175086 U CN 201120175086U CN 202083342 U CN202083342 U CN 202083342U
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- guide pole
- sleeve
- displacement sensor
- type frame
- displacement transducer
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Abstract
The utility model discloses a displacement sensor for detecting conveying deviation of steel strips, which comprises a spindle, a U-shaped frame, a rotary sleeve, a bearing, an elastic retainer ring for shafts, an elastic retainer ring for holes, an upper dustproof cover, a lower dustproof cover, nuts, guide rod components, a mounting board, a dustproof hood, a first pipe clamp, a second pipe clamp, an LVDT(linear variable differential transformer) displacement sensor and a dustproof rubber sleeve. The guide rod components and the LVDT displacement sensor are respectively fixed on the mounting board by the aid of the first pipe clamp and the second pipe clamp, the U-shaped frame is mounted on the guide rod components and fixed by the nuts, the spindle is mounted on the U-shaped frame and fixed by the nuts, and the rotary sleeve is matched with the bearing and positioned by the aid of the elastic retainer ring for holes. By means of movement switching between the rotary sleeve and the guide rod components, one-way displacement of an article in multi-way movement can be measured by the conventional LVTD displacement sensor. The displacement sensor is suitable for places in severe environments with low temperature, high temperature, dust, frosting, moisture condensation and the like, and is simple in structure, fine in stability, low in cost and easy to be popularized.
Description
Technical field
The utility model relates to a kind of displacement sensing, specifically relates to a kind of displacement transducer that steel band is carried running deviation value that detects.
Background technology
It is the important component part of modern continuous production technology that steel band is carried, be widely used in fields such as chemical industry, plastics industry, oil refining, coal liquefaction, rock gas, food cooling curing, be heating and curing, granulation, make bar, the knot sheet is carried production line.In the steel band course of conveying, convey materials temperature height, the normal water spray that adopts in steel band bottom cools off, and running environment is abominable, there is the feeding shakiness in the work, the unequal abnormal conditions of cloth, it is inhomogeneous to cause steel band to be heated, and there is random distortion to a certain degree in steel band, the frequent sideslip of emerged in operation steel band, and randomness is bigger, often cause the unplanned shutdown of device systems, has had a strong impact on safe, stable, long period, the oepration at full load of device.
At steel band sideslip problem in the steel band induction system, because the reason of the scope of application of sensor and price, steel band carries deviation-rectifying system to adopt switching value control correction or pneumatic positioner valve control cylinder pressure equilibrium correction usually, the inefficacy of when strip deformation is big, usually rectifying a deviation, spacing frequent warning, the steel band well damage causes its serviceable life well below designed life, thereby has increased production and maintenance cost.
By consulting Related product sample, handbook and document, be applied to steel band at present and carry the deficiency of the displacement transducer existence of running deviation value detection mainly to be:
When (1) ultrasonic sensor is used for the detection of steel band sideslip displacement, can only export the switching value signal usually; And can not be applied to frosting, dewfall, explosion-proof, steam occasion, when steel band is carried to outside work and winter, environment temperature was lower than below-10 ℃, use limited.
(2) intelligent laser type photoelectric sensor can be realized non-cpntact measurement, the output of analog quantity displacement, but costs an arm and a leg; The switching mode photoelectric sensor can not be used for the output of displacement analog quantity; The photoelectric sensor operating ambient temperature range is generally 0～55 ℃, can not be applied to frosting, dewfall occasion.
(3) pneumatic positioner valve is applied to the Pneumatic pressure closed-loop control usually, can realize analog quantity displacement output, but carries the sideslip range of control less to steel band, and steel band local deformation can not be suitable for when big.
At the steel band cooling curing, be heating and curing, granulation, make bar, knot sheet and carry rugged surroundings such as the low temperature of production line, high temperature, dust, it is a kind of simple in structure to press for design, good stability, displacement transducer with low cost.
The LVDT displacement transducer is widely used in to be measured ohject displacement, have simple in structure, stable performance, sturdy and durable, characteristics such as environmental suitability is strong, but can only detect the object of one-way movement usually, and steel band has multi-direction motion in course of conveying, so can not directly applying to steel band, conventional LVDT displacement transducer carry the sideslip displacement to detect, on the basis of the LVDT of routine displacement transducer, improve design, make the monodisplacement amount in the multidirectional moving object of its energy measurement, will be more widely used, have bigger economic benefit.
Summary of the invention
Carry running deviation value to detect the deficiency that exists with displacement transducer at domestic and international conventional LVDT sensor and steel band, the purpose of this utility model is to provide a kind of displacement transducer that steel band is carried running deviation value that detects, and can be applied in the multidirectional motions of rugged surroundings occasion inspected object such as low temperature, high temperature, dust the monodisplacement amount or detect the displacement transducer that steel band is carried running deviation value.
In order to achieve the above object, the technical solution adopted in the utility model is:
The utility model comprises axle, U type frame, pivoted housing, last dust cap, bearing, circlip for hole, following dust cap, nut, elastic washer, two guide pole assemblies, installing plate, dust cover, rubber boot and LVDT displacement transducers; Wherein the LVDT displacement transducer is positioned at two guide pole inter-modules, is fixed on the installing plate with pipe clamp respectively; Guide pole one end of the bottom surface of U type frame and two guide pole assemblies is fixed by nut; Axle is vertically mounted in the U type hole of U type frame both sides fixing, and Bearing Installation is in axle, and the bearing upper end is fixed by circlip for shaft, and pivoted housing is installed in bearing outer ring and locatees by circlip for hole; Last dust cap and following dust cap are installed in the upper surface and the lower surface of pivoted housing respectively, fix with the pivoted housing interference fit, and form clearance fit with axle; Rubber boot is installed on guide pole one end of guide pole assembly, and rubber boot and U type frame bottom surface are adjacent to, and dust cover is fixed on the installing plate; LVDT displacement transducer measuring staff elongated end and U type frame bottom surface are adjacent to.
Described guide pole assembly comprises guide pole, dust ring, guidance tape, sleeve, spring and screw; Have two measure-alike grooves in its middle sleeve one stomidium, groove is embedded in guidance tape, and the outside that is positioned at the sleeve ends groove has dustproof ring recess and embeds dust ring, opens threaded hole in another stomidium of sleeve; An end of not driving the guide pole of screw thread embeds sleeve inner along the socket end that has dustproof ring recess, and spring one end inserts the guiding rod end that has endoporus, and the other end is fixed on the screw, and screw screws in the socket end that has threaded hole.
The beneficial effect that the utlity model has is:
The displacement sensor component that the utility model proposes by the movement conversion between pivoted housing and the guide pole assembly, can be realized monodisplacement amount in the multidirectional motion of Measuring Object.The utility model is applicable to that rugged surroundings occasions such as low temperature, high temperature, dust measure multidirectional moving object monodisplacement or detect steel band and carry running deviation value, simple in structure, good stability, with low cost, be easy to promote.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the cutaway view Amplified image of guide pole assembly among Fig. 1.
Among Fig. 1: 1, axle; 2, U type support; 3, go up dust cap; 4, pivoted housing; 5, circlip for shaft; 6, bearing; 7, circlip for hole; 8, following dust cap; 9, plain washer; 10, spring washer; 11, nut; 12, guide pole assembly; 13, installing plate; 14, screw; 15, dust cover; 16, rubber boot; 17, first pipe clamp; 18, second pipe clamp; 19, LVDT displacement transducer; 20, guide pole; 21, dust ring; 22, guidance tape; 23, sleeve; 24, spring; 25, screw.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, comprise axle 1, U type frame 2, pivoted housing 4, go up dust cap 3, bearing 6, circlip for hole 7, dust cap 8, nut 11, elastic washer 10, two guide pole assemblies 12, installing plate 13, dust cover 15, rubber boot 16, first pipe clamp 17, second pipe clamp 18 and LVDT displacement transducers 19 down; Wherein guide pole 12 is fixed on the installing plate 13 by first pipe clamp 17, and LVDT displacement transducer 19 and is fixed on the installing plate 13 by second pipe clamp 18 between two guide pole assemblies 12; Guide pole one end of the bottom surface of U type frame 2 and two guide pole assemblies 12 that are parallel to each other is fixed by nut; Axle 1 is vertically mounted in the U type hole of U type frame 2 both sides, and it is fixing by plain washer 9, elastic washer 10 and nut 11, bearing 6 is installed in the axle 1, and bearing 6 upper ends are fixing by circlip for shaft 5, and pivoted housing 4 is installed in bearing 6 outer rings and locatees by circlip for hole 7; Last dust cap 3 and following dust cap 8 are installed in the upper surface and the lower surface of pivoted housing 4 respectively, fix with pivoted housing 4 interference fit, and form clearance fit with axle 1; Rubber boot 16 is installed on guide pole one end of guide pole 12, and rubber boot 16 left sides and U type frame 2 bottom surfaces are adjacent to, and prevents that the transmission medium that overflows in extraneous dust or the steel band course of conveying from entering in the sleeve 23, plays protection guide pole assembly 12 elements; Dust cover 15 is fixed on the installing plate 13 by screw 14.
As shown in Figure 3, described guide pole assembly 12 comprises guide pole 20, dust ring 21, guidance tape 22, sleeve 23, spring 24 and screw 25; Have two measure-alike grooves in its middle sleeve 23 1 stomidiums, groove is embedded in guidance tape 22, and the outside of sleeve 23 termination trench has dustproof ring recess and embeds dust ring 21, has the threaded hole of 25～35mm in sleeve 23 another stomidiums; Guide pole 20 1 ends have the screw thread that is about 15～20mm, and the other end has the degree of depth to be the endoporus of 100～120mm and to embed spring 24, and an end of not driving the guide pole 20 of screw thread embeds sleeve inner along the socket end that has dustproof ring recess; Screw 25 screws in sleeve by sleeve 23 screw thread nose ends, and screw 25 tops and spring 24 1 end in contact are regulated the axial location of guide pole 20 along sleeve 23 by adjusting screw depth.When guide pole 20 is subjected to making under the external force effect spring 24 to produce deformation, guide pole 20 moves along screw 25 directions, guidance tape 22 play reduce to rub, motion guide and bear the effect of guide pole 20 radial forces, and guarantee that guide pole 20 is along sleeve 23 center lines rectilinear motion reposefully.Rotary screw 25 adjustable springs 24 stiff ends are in the axial position of sleeve 23, the pretightning force of control guide pole 20 spring 24 when the initialization position, thereby the contact stress between control pivoted housing 4 and tested steel band.Have the aperture that diameter is about 5mm on screw 25 axis, play exhaust in the course of work and add lubricant.
Set up coordinate system as shown in Figure 1, the transmission direction of tested steel band is parallel to Y-axis, and the sideslip direction of steel band is parallel to X-axis; Under the being fixedly connected effect between U type frame 2 and the two guide pole assemblies 12 that are parallel to each other of cover, U type frame 2 can only move along being parallel to X-direction with respect to the motion of installing plate 13, promptly moves along the axis direction that is parallel to guide pole assembly 12; Under the 12 inner spring power effects of guide pole assembly, make pivoted housing 4 and tested steel band be adjacent to and realize along being parallel to the interlock that X-direction is the axis direction of guide pole assembly 12; In the normal transmission process of steel band, steel band is zero along the X-direction displacement component, and under the moment of friction effect between pivoted housing 4 and the steel band, pivoted housing 4 is along rotating around axle 1, and U type frame 2 relative installing plates 13 are static, and this moment, LVDT displacement transducer 19 output signals were constant; When in the tested Steel Belt Transmission process during along X-axis positive dirction sideslip, under the moment of friction effect between pivoted housing 4 and the steel band, pivoted housing 4 rotates around axle 1, in addition under the elastic force effect of guide pole assembly 12 inner springs 24, pivoted housing 4 is followed the motion of steel band X-direction real-time dynamicly, pivoted housing 4 promotes U type frame 2 along the displacement of X-axis positive dirction, spring 24 is compressed under external force, the measuring staff of LVDT displacement transducer 19 is followed U type frame 2 along the displacement of X-axis positive dirction, and LVDT displacement transducer 19 output signals reduce in its measuring staff displacement ratio; In like manner, when in the tested Steel Belt Transmission process during along X-axis negative direction sideslip, pivoted housing 4 rotates around axle 1, and following steel band real-time dynamicly moves along the X-axis negative direction, under the elastic force effect of guide pole assembly 12 inner springs 24, promote U type frame 2 towards the X-direction displacement, LVDT displacement transducer measuring staff is put within it and is followed U type frame 2 under the spring force effect to the displacement of X-axis negative direction, LVDT displacement transducer 19 output signals increase in its measuring staff displacement ratio, realize that finally LVDT displacement transducer 19 output signals and testee are in proportion along guide pole assembly 12 axis direction displacement components.
In sum, in the displacement sensor component course of work of the present utility model, its guide pole assembly can be guaranteed the motion stably on detected sense of displacement of U type frame, and under the acting force of the spring in the guide pole assembly, assurance pivoted housing Real-time and Dynamic is followed the sideslip motion of tested steel band; Realization converts tested steel band sideslip displacement the displacement of U type frame along guide pole assembly axis direction to, back springing type LVDT sensor measuring staff is followed the motion of U type frame automatically, realizes that finally the displacement electric signal of LVDT sensor output is tested steel band conveying sideslip displacement signal.
Claims (2)
1. one kind is detected the displacement transducer that steel band is carried running deviation value, it is characterized in that: comprise axle (1), U type frame (2), pivoted housing (4), last dust cap (3), bearing (6), circlip for hole (7), following dust cap (8), nut (11), elastic washer (10), two guide pole assemblies (12), installing plate (13), dust cover (15), rubber boot (16) and LVDT displacement transducer (19); Wherein LVDT displacement transducer (19) is positioned between two guide pole assemblies (12), is fixed on the installing plate (13) with pipe clamp respectively; Guide pole one end of the bottom surface of U type frame (2) and two guide pole assemblies (12) is fixed by nut; Axle (1) is vertically mounted in the U type hole of U type frame (2) both sides fixing, bearing (6) is installed in the axle (1), bearing (6) upper end is fixing by circlip for shaft (5), and pivoted housing (4) is installed in bearing (6) outer ring and passes through circlip for hole (7) location; Last dust cap (3) and following dust cap (8) are installed in the upper surface and the lower surface of pivoted housing (4) respectively, fix with pivoted housing (4) interference fit, and form clearance fit with axle (1); Rubber boot (16) is installed on guide pole one end of guide pole assembly (12), and rubber boot (16) is adjacent to U type frame (2) bottom surface, and dust cover (15) is fixed on the installing plate (13); LVDT displacement transducer measuring staff elongated end and U type frame (2) bottom surface are adjacent to.
2. a kind of displacement transducer that steel band is carried running deviation value that detects according to claim 1, it is characterized in that: described guide pole assembly (12) comprises guide pole (20), dust ring (21), guidance tape (22), sleeve (23), spring (24) and screw (25); Have two measure-alike grooves in its middle sleeve (23) one stomidiums, groove is embedded in guidance tape (22), and the outside that is positioned at sleeve (23) termination trench has dustproof ring recess and embeds dust ring (21), opens threaded hole in another stomidium of sleeve (23); An end of not driving the guide pole (20) of screw thread embeds sleeve inner along the socket end that has dustproof ring recess, spring (24) one ends insert guide pole (20) end that has endoporus, the other end is fixed on the screw (25), and screw (25) screws in sleeve (23) end that has threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201750863U CN202083342U (en) | 2011-05-26 | 2011-05-26 | Displacement sensor for detecting conveying deviation of steel strips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201750863U CN202083342U (en) | 2011-05-26 | 2011-05-26 | Displacement sensor for detecting conveying deviation of steel strips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202083342U true CN202083342U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201750863U Expired - Lifetime CN202083342U (en) | 2011-05-26 | 2011-05-26 | Displacement sensor for detecting conveying deviation of steel strips |
Country Status (1)
| Country | Link |
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| CN (1) | CN202083342U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322790A (en) * | 2011-05-26 | 2012-01-18 | 杭州富如德科技有限公司 | Displacement sensor for detecting steel strip-conveying deviation |
| CN102705301A (en) * | 2012-06-13 | 2012-10-03 | 上海应用技术学院 | Guide sleeve with displacement sensor |
| CN102818553A (en) * | 2012-07-31 | 2012-12-12 | 东莞理工学院 | On-line detection system of bending deformation of metal strip |
| CN105588508A (en) * | 2016-03-16 | 2016-05-18 | 上海筑邦测控科技有限公司 | Method for performing displacement measurement by using LVDT and sensor iron core mounting structure |
| CN111386438A (en) * | 2017-11-30 | 2020-07-07 | 日本精机株式会社 | Stroke sensor |
-
2011
- 2011-05-26 CN CN2011201750863U patent/CN202083342U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322790A (en) * | 2011-05-26 | 2012-01-18 | 杭州富如德科技有限公司 | Displacement sensor for detecting steel strip-conveying deviation |
| CN102322790B (en) * | 2011-05-26 | 2013-02-13 | 杭州富如德科技有限公司 | Displacement sensor for detecting steel strip-conveying deviation |
| CN102705301A (en) * | 2012-06-13 | 2012-10-03 | 上海应用技术学院 | Guide sleeve with displacement sensor |
| CN102705301B (en) * | 2012-06-13 | 2014-12-03 | 上海应用技术学院 | Guide sleeve with displacement sensor |
| CN102818553A (en) * | 2012-07-31 | 2012-12-12 | 东莞理工学院 | On-line detection system of bending deformation of metal strip |
| CN102818553B (en) * | 2012-07-31 | 2014-12-31 | 东莞理工学院 | On-line detection system of bending deformation of metal strip |
| CN105588508A (en) * | 2016-03-16 | 2016-05-18 | 上海筑邦测控科技有限公司 | Method for performing displacement measurement by using LVDT and sensor iron core mounting structure |
| CN111386438A (en) * | 2017-11-30 | 2020-07-07 | 日本精机株式会社 | Stroke sensor |
| CN111386438B (en) * | 2017-11-30 | 2022-04-15 | 日本精机株式会社 | Stroke sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |