CN103884267B - The structure of magnetostrictive displacement sensor detecting device - Google Patents

The structure of magnetostrictive displacement sensor detecting device Download PDF

Info

Publication number
CN103884267B
CN103884267B CN201410125680.XA CN201410125680A CN103884267B CN 103884267 B CN103884267 B CN 103884267B CN 201410125680 A CN201410125680 A CN 201410125680A CN 103884267 B CN103884267 B CN 103884267B
Authority
CN
China
Prior art keywords
magnet
main piece
cylinder
detecting device
hollow
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.)
Active
Application number
CN201410125680.XA
Other languages
Chinese (zh)
Other versions
CN103884267A (en
Inventor
周新志
冯希辰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan University
Original Assignee
Sichuan University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan University filed Critical Sichuan University
Priority to CN201410125680.XA priority Critical patent/CN103884267B/en
Publication of CN103884267A publication Critical patent/CN103884267A/en
Application granted granted Critical
Publication of CN103884267B publication Critical patent/CN103884267B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of structure of magnetostrictive displacement sensor detecting device, be arranged on the position Magnet on described chain extension bar including: main piece of set, main piece of set sleeve, cylindrical and hollow, linkable chain extension bar, spring carrier arm antivibrator, slidably suit, be arranged on the hollow cavity of described stock in the pick up that is connected with described waveguide filament of waveguide filament, described position Magnet includes the rustless steel annulus with eight slots and size and described slot matches eight Magnet and the screw of fixed magnet, described magnet polarities extreme direction is consistent.The design of position Magnet greatly reduces the consumption of Magnet, improves service efficiency, it is ensured that stablizing of technique effect.

Description

The structure of magnetostrictive displacement sensor detecting device
Technical field
The present invention relates to a kind of magnetostrictive displacement sensor detecting device, particularly to structure and the structure of this displacement detector.
Background technology
Chinese patent application CN201310144936.7 relates to a kind of magnetostrictive displacement sensor detecting device, a kind of magnetostrictive displacement sensor detection device, including: the support of cylindrical and hollow, slidably suit arrange position Magnet on the bracket, be arranged on the hollow cavity of described support in the pick up that is connected with described waveguide filament of waveguide filament, described position Magnet is the rustless steel annulus with four slots and size and described slot coordinates four Magnet and the screw composition of fixed magnet, magnet polarities extreme direction is consistent.
Position Magnet in background technology is four Magnet slots, substantially enough in theory, but in actual measurement, magnetostrictive effect is still not enough, it is necessary to improve magnetostrictive effect by technical scheme.
Device in background technology there is also following defect: stock is regular length, cannot increase or shorten according to actual needs during measurement, original device shortcoming three: main piece of set part, main piece of set part of original device is used for laying pick up, waveguide (waveguide filament), enamel-covered wire, the passage etc. of link external circuit, but design is not as reasonable, particularly when frequently test, enamel-covered wire etc. is not fixed, it is easy to ruptures or damages.In newly-designed main piece of set, the cabling of each device there is respective passage, it is not likely to produce intersection, each devise and fixing externally connect interface, ensure that the stable transmission of signal, and it is hardly damaged, and adds the groove of a filled silicon rubber exclusively for the waveguide (waveguide filament) in main piece of set.Expand the recess space laying pick up, make pick up type be possible not only to lay coil type pick up, it is also possible to ceramic pick-up is installed, is suitable for laying dissimilar pick up.
Original device shortcoming four: original device end is without special damping unit, and end not easily adds silicone rubber, new equipment specialized designs, spring carrier arm antivibrator.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency existing in prior art, it is provided that the structure of a kind of magnetostrictive displacement sensor detecting device.To reach reducing on the basis of Magnet consumption, improve the service efficiency of Magnet, it is ensured that stablizing of technique effect.
In order to realize foregoing invention purpose, the invention provides techniques below scheme:
A kind of magnetostrictive displacement sensor detecting device, be arranged on the position Magnet on described chain extension bar including: main piece of set, main piece of set sleeve, cylindrical and hollow, linkable chain extension bar, spring carrier arm antivibrator, slidably suit, be arranged on the hollow cavity of described stock in the pick up that is connected with described waveguide filament of waveguide filament
Described position Magnet includes the rustless steel annulus with eight slots and size and described slot matches eight Magnet and the screw of fixed magnet, described magnet polarities extreme direction is consistent.The design of position Magnet greatly reduces the consumption of Magnet, improves service efficiency, it is ensured that stablizing of technique effect.
Described position Magnet is circular cylinder, the center of described position Magnet arranges hollow cylindrical hole, described cylindrical hole is used for through described stock, described position Magnet is provided with 8 hollow cylindrical side openings being evenly distributed on Magnet side, ring-like position, between the through outside being arranged on described position Magnet of described hollow cylindrical side opening and described hollow cylindrical hole.
Described hollow cylindrical side opening inwall is provided with the first female thread, and described Magnet outer wall is provided with the first external screw thread, and described first female thread and described first external screw thread are mutually matched.
The leading section of described main piece of set is equilateral hexagon cylinder, for stablizing the putting position of whole device;
Being connected with cylinder on rear side of described leading section, described cylinder arranges the second external screw thread and the second female thread, and described second female thread is for closing with chain extension bar junction button;
Described second external screw thread is the external screw thread of M40*1, and described second external screw thread is for linking fastening with main piece of sleeve;
Described second female thread is the female thread of M10*1;
Described main piece of set sleeve is hollow circular cylinder, and inwall side is provided with the 3rd female thread, and described 3rd female thread is for linking fastening with described second external screw thread;
Main piece of set sleeve is a hollow circular cylinder, and described 3rd female thread is the female thread of M40*1, for linking fastening with described second external screw thread;Main piece of set sleeve is for protecting the pick up of the main piece of internal placement of set, circuit etc..
The front end, middle part of described main piece of set is provided with trapezoidal groove, and described trapezoidal groove is for arranging the pick up of two series connection;It is provided with two circular holes in described groove, is used for guiding described microphone lead cabling from behind;
Described main piece set middle part middle-end be provided with big hole and small sircle hole, described big hole for through with set wave seal wire, described small sircle hole for through with fixing enamel-covered wire;
The rear end, middle part of described main piece of set is provided with the first rectangular recess, is used for arranging single pick up;
Described main piece of set rear end, German-Chinese portion is provided with cuboid hole, and described cuboid hole is used for guiding described microphone lead to extend there through;
The rear portion of described main piece of set is provided with the second rectangular recess, for arranging and filled silicon rubber;Serve the effect of decay damping unit;
The afterbody of described main piece of set is provided with the first rectangular-shaped hole and the second rectangular-shaped hole, described first rectangular-shaped hole and the second rectangular-shaped hole for arranging and link cap, is input a signal into by wiring cap or exports.
Described chain extension bar includes at least one hollow cylindrical stock, described hollow cylindrical stock length 0.5 meter, is threaded connection between described hollow cylindrical stock.
Described chain extension bar is can to link the hollow cylindrical stock that combination lengthens or shortens, every segment length's bar length 0.5 meter as required;
Described hollow cylindrical stock has the 4th female thread of M10*1, links (when increasing length) for the combination between hollow cylindrical stock;
Chain extension bar is interior circular diameter is 9mm, and outside diameter is the hollow circular cylinder of 10mm;
Chain extension bar is provided with the 4th external screw thread of M10*1, links for the female thread combination with main piece of set part, or links (when increasing length) with the combination of chain extension bar;
The structure of described magnetostrictive displacement sensor detecting device also includes top deduction cap, described top deduction cap includes deduction cap chassis, top and is connected to hollow matrix cylinder, described hollow matrix cylinder is provided with the 3rd external screw thread, and described 3rd external screw thread is for fastening link with chain extension bar;
Described hollow matrix cylinder is affiliated to it for spring carrier arm antivibrator and is connected;
Described top deduction cap outer wall is hollow circular cylinder, is used for protecting internal hook not affected by external force or something outside contacts;
Described 3rd external screw thread is the external screw thread of M10*1, for fastening link with chain extension bar;
The chassis of described top deduction cap is diameter is the deduction cap chassis, top of 12mm, for link stem portion and overlaps, make waveguide (silk) fix stretching.
The structure of described magnetostrictive displacement sensor detecting device also includes spring carrier arm antivibrator, and the end of described spring carrier arm antivibrator is the first hook type cylinder, links for being affiliated to described hollow matrix cylinder;
In the middle part of described spring carrier arm antivibrator, spring is set;
Described spring is used for connecting described first hook type cylinder and described second hook type cylinder, for suitable stretching or shortening waveguide (silk) length, make waveguide (silk) excessively will not rupture because of pulling force, or make waveguide (silk) contact with chain extension bar tube wall because pulling force is too small, play a pulling force buffer effect;
Described spring carrier arm antivibrator afterbody first half arranges the second hook type cylinder, and latter half is hollow half cylinder.
Described first hook type cylinder and the second hook type column structure are identical, second hook type cylinder is used for hooking waveguide (silk), hollow half cylinder central filler silicone rubber, parcel waveguide (silk) in the middle of silicone rubber, for the braking absorption of waveguide (silk) distal tip signal.
Compared with prior art, beneficial effects of the present invention:
Described position Magnet includes the rustless steel annulus with eight slots and size and described slot matches eight Magnet and the screw of fixed magnet, described magnet polarities extreme direction is consistent.The design of position Magnet greatly reduces the consumption of Magnet, improves service efficiency, it is ensured that stablizing of technique effect.
Accompanying drawing illustrates:
Fig. 1 is the overall construction drawing of the structure of magnetostrictive displacement detecting device of the present invention;
Fig. 2 is the structure chart of the top deduction cap of the structure of magnetostrictive displacement detecting device of the present invention;
Fig. 3 is the structure chart of the spring carrier arm antivibrator of the structure of magnetostrictive displacement detecting device of the present invention;
Fig. 4 is the structure chart of main piece of set of the structure of magnetostrictive displacement detecting device of the present invention.
Fig. 5 is the magnet arrangement perspective view of the structure of magnetostrictive displacement detecting device position of the present invention;
Fig. 6 is the structural perspective of main piece of the structure set sleeve of magnetostrictive displacement detecting device of the present invention.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail.But this should not being interpreted as, the scope of the above-mentioned theme of the present invention is only limitted to below example, and all technology realized based on present invention belong to the scope of the present invention.
As shown in Figure 1, a kind of structure of magnetostrictive displacement sensor detecting device, be arranged on the position Magnet 2 on described chain extension bar 4 including: main piece of set 5, main piece of set sleeve 1, cylindrical and hollow, linkable chain extension bar 4, spring carrier arm antivibrator, slidably suit, be arranged on the hollow cavity of described stock in the pick up that is connected with described waveguide filament of waveguide filament
As it is shown in figure 5, the screw of eight Magnet that described position Magnet 2 includes the rustless steel annulus with eight slots and size and described slot matches and fixed magnet, described magnet polarities extreme direction is consistent.The design of position Magnet 2 greatly reduces the consumption of Magnet, improves service efficiency, it is ensured that stablizing of technique effect.
Described position Magnet 2 is circular cylinder, the center of described position Magnet arranges hollow cylindrical hole 21, described cylindrical hole 21 is used for through described stock, described position Magnet 2 is provided with 8 hollow cylindrical side openings 22 being evenly distributed on Magnet 2 side, ring-like position, between the through outside being arranged on described position Magnet 2 of described hollow cylindrical side opening 22 and described hollow cylindrical hole 21.
Described hollow cylindrical side opening 22 inwall is provided with the first female thread, and described Magnet outer wall is provided with the first external screw thread, and described first female thread and described first external screw thread are mutually matched.
The radius of described circular cylinder is 40mm, and thickness is 12mm, and there is many places cylindrical hole inside, is used for laying Magnet etc.;
The radius in described hollow cylindrical hole is 14mm, is used for through chain extension bar, and mobile by sliding outside chain extension bar 4;
Ring-like position Magnet 2 is 8 hollow cylindrical side openings 22 being evenly distributed in Magnet 2 side, ring-like position, circular hole always deeply into, each hole inwall is the internal coiling of model M6*1, for placing the screw with special cylinder-shaped magnets such as neodymium iron borons, brought into by the rotation of screw, the special cylinder-shaped magnets such as eight neodymium iron borons are advanced towards center, then the waveguide (silk) in chain extension bar 4 is produced the action of a magnetic field.
As shown in Figure 4, the leading section of described main piece of set 5 is equilateral hexagon cylinder 10, for stablizing the putting position of whole device;
Being connected with cylinder 12 on rear side of described leading section, described cylinder 12 arranges the second external screw thread 11 and the second female thread, and described second female thread is for being connected fastening with chain extension bar 4;
Described second external screw thread 11 is the external screw thread of M40*1, and described second external screw thread 11 is for linking fastening with main piece of sleeve 1;
Described second female thread is the female thread of M10*1;
As shown in Figure 6, described main piece of set sleeve 1 is hollow circular cylinder 23, and inwall side is provided with the 3rd female thread 24, and described 3rd female thread 24 is for linking fastening with described second external screw thread 11;
Main piece of set sleeve 1 is a hollow circular cylinder, and described 3rd female thread 24 is the female thread of M40*1, for linking fastening with described second external screw thread 11;Main piece of set sleeve 1 is for protecting the pick up of the main piece of internal placement of set, circuit etc..
The front end, middle part of described main piece of set 5 is provided with trapezoidal groove 13, and described trapezoidal groove 13 is for arranging the pick up of two series connection;It is provided with two circular holes in described groove, is used for guiding described microphone lead cabling from behind;
The middle part middle-end of described main piece of set 5 is provided with big hole 15 and small sircle hole 14, described big hole 15 for through with set wave seal wire, described small sircle hole 14 for through with fixing enamel-covered wire;
The rear end, middle part of described main piece of set 5 is provided with the first rectangular recess 17, is used for arranging single pick up;
The rear end, middle part of described main piece of set 5 is provided with cuboid hole 16, and described cuboid hole 16 is used for guiding described microphone lead to extend there through;
The rear portion of described main piece of set 5 is provided with the second rectangular recess 18, for arranging and filled silicon rubber;Serve the effect of decay damping unit;
The afterbody of described main piece of set 5 is provided with the first rectangular-shaped hole and the second rectangular-shaped hole 19, described first rectangular-shaped hole and the second rectangular-shaped hole 19 for arranging and link cap, is input a signal into by wiring cap or exports.
As shown in fig. 1, described chain extension bar 4 includes at least one hollow cylindrical stock, described hollow cylindrical stock length 0.5 meter, is threaded connection between described hollow cylindrical stock.
Described chain extension bar 4 is can to link the hollow cylindrical stock that combination lengthens or shortens, every segment length's bar length 0.5 meter as required;
Described hollow cylindrical stock has the 4th female thread of M10*1, links (when increasing length) for the combination between hollow cylindrical stock;
Chain extension bar 4 is 9mm for interior circular diameter, and outside diameter is the hollow circular cylinder of 10mm;
Chain extension bar 4 is provided with the 4th external screw thread 3 of M10*1, links for the female thread combination with main piece of set part, or links (when increasing length) with chain extension bar 4 combination;
As shown in Figure 2, the structure of described magnetostrictive displacement sensor detecting device also includes top deduction cap, described top deduction cap includes deduction cap chassis, top 6 and is connected to hollow matrix cylinder 7, described hollow matrix cylinder is provided with the 3rd external screw thread, and described 3rd external screw thread is for fastening link with chain extension bar 4;
Described hollow matrix cylinder is affiliated to it for spring carrier arm antivibrator and is connected;
Described top deduction cap outer wall is hollow circular cylinder, is used for protecting internal hook not affected by external force or something outside contacts;
Described 3rd external screw thread is the external screw thread of M10*1, for fastening link with chain extension bar;
The chassis 6 of described top deduction cap is the deduction cap chassis, top that diameter is 12mm, for link stem portion and overlaps, make waveguide (silk) fix stretching.
As it is shown on figure 3, the structure of described magnetostrictive displacement sensor detecting device also includes spring carrier arm antivibrator, the end of described spring carrier arm antivibrator is the first hook type cylinder 8, links for being affiliated to described hollow matrix cylinder;
In the middle part of described spring carrier arm antivibrator, spring 9 is set;
Described spring 9 is used for connecting described first hook type cylinder 8 and described second hook type cylinder, for suitable stretching or shortening waveguide (silk) length, make waveguide (silk) excessively will not rupture because of pulling force, or make waveguide (silk) contact with chain extension bar tube wall because pulling force is too small, play a pulling force buffer effect;
Described spring carrier arm antivibrator afterbody first half arranges the second hook type cylinder, and latter half is hollow half cylinder 20.
Described first hook type cylinder 8 is identical with the second hook type column structure, second hook type cylinder is used for hooking waveguide (silk), hollow half cylinder 20 central filler silicone rubber, parcel waveguide (silk) in the middle of silicone rubber, for the braking absorption of waveguide (silk) distal tip signal.
The invention is not limited in aforesaid detailed description of the invention.The present invention expands to any new feature disclosed in this manual or any new combination, and the step of the arbitrary new method disclosed or process or any new combination.

Claims (6)

1. the structure of a magnetostrictive displacement sensor detecting device, be arranged on the position Magnet on described chain extension bar including: main piece of set, main piece of set sleeve, cylindrical and hollow, linkable chain extension bar, spring carrier arm antivibrator, slidably suit, be arranged on the hollow cavity of described stock in the pick up that is connected with described waveguide filament of waveguide filament
It is characterized in that, described position Magnet includes the rustless steel annulus with eight slots and size and described slot matches eight Magnet and the screw of fixed magnet, described magnet polarities extreme direction is consistent;
The leading section of described main piece of set is equilateral hexagon cylinder, is connected with cylinder on rear side of described leading section, and described cylinder arranges the second external screw thread and the second female thread, and described second female thread is for closing with chain extension bar junction button;
Described main piece of set sleeve is hollow circular cylinder, and inwall side is provided with the 3rd female thread, and described 3rd female thread is for linking fastening with described second external screw thread;
The front end, middle part of described main piece of set is provided with trapezoidal groove, and described trapezoidal groove is for arranging the pick up of two series connection;It is provided with two circular holes in described groove, is used for guiding described microphone lead cabling from behind;
Described main piece set middle part middle-end be provided with big hole and small sircle hole, described big hole for through with set wave seal wire, described small sircle hole for through with fixing enamel-covered wire;
The rear end, middle part of described main piece of set is provided with the first rectangular recess, is used for arranging single pick up;
The rear end, middle part of described main piece of set is provided with cuboid hole, and described cuboid hole is used for guiding described microphone lead to extend there through;
The rear portion of described main piece of set is provided with the second rectangular recess, for arranging and filled silicon rubber;
The afterbody of described main piece of set is provided with the first rectangular-shaped hole and the second rectangular-shaped hole, described first rectangular-shaped hole and the second rectangular-shaped hole for arranging and link cap, is input a signal into by wiring cap or exports.
2. the structure of magnetostrictive displacement sensor detecting device as claimed in claim 1, it is characterized in that: described position Magnet is circular cylinder, the center of described position Magnet arranges hollow cylindrical hole, described cylindrical hole is used for through described stock, described position Magnet is provided with 8 hollow cylindrical side openings being evenly distributed on Magnet side, ring-like position, between the through outside being arranged on described position Magnet of described hollow cylindrical side opening and described hollow cylindrical hole.
3. the structure of magnetostrictive displacement sensor detecting device as claimed in claim 2, it is characterized in that: described hollow cylindrical side opening inwall is provided with the first female thread, described Magnet outer wall is provided with the first external screw thread, and described first female thread and described first external screw thread are mutually matched.
4. the structure of the magnetostrictive displacement sensor detecting device as described in claims 1 to 3 any one, it is characterized in that: described chain extension bar includes at least one hollow cylindrical stock, described hollow cylindrical stock length 0.5 meter, is threaded connection between described hollow cylindrical stock.
5. the structure of the magnetostrictive displacement sensor detecting device as described in claims 1 to 3 any one, it is characterized in that: described magnetostrictive displacement sensor detecting device also includes top deduction cap, described top deduction cap includes deduction cap chassis, top and is connected to hollow matrix cylinder, described hollow matrix cylinder is provided with the 3rd external screw thread, and described 3rd external screw thread is for fastening link with chain extension bar.
6. the structure of magnetostrictive displacement sensor detecting device as claimed in claim 5, it is characterized in that: described magnetostrictive displacement sensor detecting device also includes spring carrier arm antivibrator, the end of described spring carrier arm antivibrator is the first hook type cylinder, links for being affiliated to described hollow matrix cylinder;
In the middle part of described spring carrier arm antivibrator, spring is set;
Described spring carrier arm antivibrator afterbody first half arranges the second hook type cylinder, and latter half is hollow half cylinder.
CN201410125680.XA 2014-03-31 2014-03-31 The structure of magnetostrictive displacement sensor detecting device Active CN103884267B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410125680.XA CN103884267B (en) 2014-03-31 2014-03-31 The structure of magnetostrictive displacement sensor detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410125680.XA CN103884267B (en) 2014-03-31 2014-03-31 The structure of magnetostrictive displacement sensor detecting device

Publications (2)

Publication Number Publication Date
CN103884267A CN103884267A (en) 2014-06-25
CN103884267B true CN103884267B (en) 2016-07-06

Family

ID=50953296

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410125680.XA Active CN103884267B (en) 2014-03-31 2014-03-31 The structure of magnetostrictive displacement sensor detecting device

Country Status (1)

Country Link
CN (1) CN103884267B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105318859B (en) * 2014-08-01 2019-06-25 上海凯盾工程技术有限公司 Directly measurement monitoring underground utilities and building structure sedimentation and deformation method and device thereof
CN105157552A (en) * 2015-07-19 2015-12-16 张昌金 Echo enhancing method of a magnetostrictive displacement sensor and application thereof
CN105973135A (en) * 2016-07-22 2016-09-28 上海兹亚智能科技有限公司 Magnetostrictive displacement sensor and applicable displacement measurement device
DE102016118522B4 (en) 2016-09-29 2021-03-25 Sick Atech Gmbh Position sensor
CN107421740B (en) * 2017-07-31 2023-09-01 邯郸钢铁集团有限责任公司 Box type rotating equipment bearing working condition combination detection tool
CN110375632B (en) * 2019-08-23 2020-10-16 河北工业大学 Magnetostrictive displacement sensor suitable for large temperature range/high temperature environment
CN111457832B (en) * 2020-05-18 2021-06-29 上海凯佛自动化仪表有限公司 Lifting type magnetostrictive displacement transmitter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4839590A (en) * 1987-09-24 1989-06-13 Magnetek Controls Piezoelectric actuator for magnetostrictive linear displacement measuring device
US4970464A (en) * 1989-09-14 1990-11-13 Jack Williams Linear position-displacement magnetostrictive transducer having multiple cylindrical electromagnets for generating flux, each electromagnet having a centered passageway for relative travel along the same magnetostrictive waveguide
US5998991A (en) * 1997-11-10 1999-12-07 Patriot Sensors And Controls Pickupless magnetostrictive position measurement apparatus
CN102012249A (en) * 2009-09-07 2011-04-13 深圳万讯自控股份有限公司 Piezoelectric type torsional wave transducer and piezoelectric transduction type magnetostrictive sensor
DE102004025387B4 (en) * 2004-05-17 2011-05-05 Balluff Gmbh Magnetostrictive position transducer
CN103206912A (en) * 2013-04-24 2013-07-17 四川大学 Magnetostrictive displacement sensor detection device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4839590A (en) * 1987-09-24 1989-06-13 Magnetek Controls Piezoelectric actuator for magnetostrictive linear displacement measuring device
US4970464A (en) * 1989-09-14 1990-11-13 Jack Williams Linear position-displacement magnetostrictive transducer having multiple cylindrical electromagnets for generating flux, each electromagnet having a centered passageway for relative travel along the same magnetostrictive waveguide
US5998991A (en) * 1997-11-10 1999-12-07 Patriot Sensors And Controls Pickupless magnetostrictive position measurement apparatus
DE102004025387B4 (en) * 2004-05-17 2011-05-05 Balluff Gmbh Magnetostrictive position transducer
CN102012249A (en) * 2009-09-07 2011-04-13 深圳万讯自控股份有限公司 Piezoelectric type torsional wave transducer and piezoelectric transduction type magnetostrictive sensor
CN103206912A (en) * 2013-04-24 2013-07-17 四川大学 Magnetostrictive displacement sensor detection device

Also Published As

Publication number Publication date
CN103884267A (en) 2014-06-25

Similar Documents

Publication Publication Date Title
CN103884267B (en) The structure of magnetostrictive displacement sensor detecting device
JP2013536972A5 (en)
CN204758393U (en) A centre gripping fixing device for high temperature alloy silk material high temperature tension test
CN106468599A (en) Oil-immersed type transformer fiber optic temperature measuring probe fixing device
CN206208974U (en) A kind of current measuring device
CN203519416U (en) Clamp for tension test of glass insulator
CN103513066A (en) Novel and special three-jaw testing wire clamp for relay protection
CN205910060U (en) Wire rope tensile test clamp
CN203443852U (en) Fixture for mechanical tensile test of U-shaped electric power fitting
WO2009000635A3 (en) Electrical connection between at least two parts and electrical device with such a connection
CN202133585U (en) Tension mechanism of rubber-thread tensile testing machine
CN201234093Y (en) Fixed core rod cable clip for carbon fiber composite core aluminum stranded wire traction
CN204422628U (en) For the adjustable test electroprobe of resistance that automobile circuit detects
WO2011142627A3 (en) Linear hydrogen-material-containing ampoule test piece and a tension testing method using the same
CN206038411U (en) Biggest traction load ware of HDPE silicon core pipe
CN203719646U (en) Gravity reset type chain length measuring instrument
CN205580886U (en) Mechanism is broken to quiet power of optic fibre
CN202734725U (en) Intrauterine device disposing pipe external diameter detection apparatus
CN105773482B (en) A kind of detection fixture of network fiber line
CN204043984U (en) The maximum traction load device of a kind of high density polythene silicone core pipe
CN105466372B (en) A kind of position detecting tool for sleeve of shifting gears
CN203101440U (en) Special spring for low resistance test
CN203480016U (en) Energization detection device for waste electric energy meter
CN101210849B (en) 0.4mmQuick-speed jigs for needle tube under 0.4mm and method of use thereof
CN204188454U (en) A kind of adjustable wire harness plug tensile test hook

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant