CN201364144Y - Portable calibrating apparatus for displacement sensor - Google Patents

Portable calibrating apparatus for displacement sensor Download PDF

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Publication number
CN201364144Y
CN201364144Y CNU2009200931205U CN200920093120U CN201364144Y CN 201364144 Y CN201364144 Y CN 201364144Y CN U2009200931205 U CNU2009200931205 U CN U2009200931205U CN 200920093120 U CN200920093120 U CN 200920093120U CN 201364144 Y CN201364144 Y CN 201364144Y
Authority
CN
China
Prior art keywords
base
displacement transducer
guide rail
rail slide
hole
Prior art date
Application number
CNU2009200931205U
Other languages
Chinese (zh)
Inventor
徐观
苏建
苏丽俐
陈熔
陈晓韬
Original Assignee
吉林大学
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 吉林大学 filed Critical 吉林大学
Priority to CNU2009200931205U priority Critical patent/CN201364144Y/en
Application granted granted Critical
Publication of CN201364144Y publication Critical patent/CN201364144Y/en

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Abstract

The utility model discloses a portable calibrating apparatus for a displacement sensor, aiming at overcoming the problems of complicated structure, big volume, inconveniency in carrying and failure to meet on-site portable calibration requirement of the existing calibrating apparatus. The portable calibrating apparatus comprises a screw rod(1), a displacement sensor seat(2), a high-precision grating scale(6), a base(8) and a lead rail slide carriage(9). The lead rail slide carriage(9)is sleeved on a dovetail lead rail at the top end of the base(8)and is in sliding connection with the lead rail; one end of the screw rod(1) is sequentially inserted into a through hole at the sealed end of the base(8)and a nut fixed on the top face of a dovetail groove of the lead rail slide carriage(9); the displacement sensor seat(2)and the high-precision grating scale(6) are fixed in parallel on the upper surface of the lead rail slide carriage(9); one side of a double-L-shaped baffle plate(7)is fixed on one side face of the base(8); and the outer side face of the other side of the baffle plate contacts with the displacement sensor(3) to be calibrated and the contact of the high-precision grating scale(6). The calibrating apparatus is a special device used for calibrating displacement sensors.

Description

The calibrating installation of pocket displacement transducer
Technical field
The utility model relates to a kind of check correcting device of sensor field, and in particular, it relates to a kind of calibrating installation of pocket displacement transducer
Background technology
In the factory automation field, displacement transducer is widely used in the position control of manufacturing installation of product and the product position control with respect to manufacturing installation, or the occasions such as inspection of product, as a kind of surveying instrument, its precision need guarantee by demarcating, in use also need regularly to test to guarantee its precision, existing displacement transducer check caliberating device, complex structure, volume is bigger, carry inconvenience, be difficult to finish the requirement of on-the-spot portable calibrating.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the technical matters that prior art exists, provide a kind of have easy and simple to handle, stable performance, verification result is accurate, and satisfy national metering, quality supervised department and manufacturer that precision is high carry out on the spot the calibrating installation of the pocket displacement transducer of calibrating requirement fast to the quality of displacement transducer.
Consult Fig. 1 to Fig. 3, for solving the problems of the technologies described above, the utility model adopts following technical scheme to be achieved.The calibrating installation of pocket displacement transducer provided by the utility model includes leading screw, displacement transducer seat, handwheel, displacement transducer clamping knob, high precision grating chi, catch, base and guide rail slide.
Base is placed on the table top of horizontal polishing, the guide rail slide is sleeved on the dovetail groove of processing on it and becomes sliding contact to connect on dove-tail form guide rail on base top, become to be rotationally connected in the through hole of the one end insertion base blind end of leading screw, insert in the nut that is fixed on the guide rail slide dovetail groove end face to become to be threaded then, handwheel is fixedlyed connected with the other end of leading screw protuberate basic unit blind end through hole, the axis of rotation of the nut on the guide rail slide dovetail groove end face and the axis of rotation of base blind end through hole are wanted horizontal conllinear, and with the vertical symmetrical plane coplane of base.
The displacement transducer seat of cuboid is fixed on the last plane of guide rail slide, the axis of rotation of the through hole that one of processing can be inserted displacement transducer to be measured on its vertical axis of symmetry is parallel with the vertical symmetrical plane of base, the top-down screw-in axis of rotation of the screw portion of displacement transducer clamping knob and can inserting in the screw that the axis of rotation of the through hole of displacement transducer to be measured intersects vertically.
High precision grating chi is fixed on the upper surface of guide rail slide, itself and displacement transducer seat are placed side by side, the minor face of double L-shaped catch is fixed on the side of base, and the lateral surface of a rectangular sheet that is had on the long limit contacts with the contact of displacement transducer to be measured with high precision grating chi.
Base described in the technical scheme has a microscler part of vertical symmetrical plane, its top be processed with the guide rail slide on the dove-tail form guide rail that matches of dovetail groove, in the centre of dove-tail form guide rail along base vertically to the groove of a U shaped sections of one-tenth face processing, this groove one end opens wide, the other end seals, at blind end through hole that cooperates with leading screw of level processing on the vertical symmetrical plane of base.
The beneficial effects of the utility model are:
(1) adopt high precision grating chi that displacement transducer is examined and determine, at first, the grating chi is a common instrument, need not extra production, and cost is lower; Secondly, the grating chi has displacement characteristics easy to adjust, can transmit the calibrating data in real time according to the movement position of displacement transducer, and once more, the grating chi has very high precision, can satisfy the requirement of measurement verification regulations to calibration accuracy fully.
(2) adopt the feed screw nut transferring power, in the accurate adjustment that realizes small displacement, reduced weight of equipment, improved calibrating efficient.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 be the pocket displacement transducer calibrating installation see its axonometric projection graph in the other direction along X-axis from facing the YOZ plane;
Fig. 2 be the pocket displacement transducer calibrating installation see its axonometric projection graph along the X-axis positive dirction from facing the YOZ plane;
Fig. 3 be in the calibrating installation of pocket displacement transducer base 8 see its axonometric projection graph along the X-axis positive dirction from facing the YOZ plane;
Among the figure: 1. leading screw, 2. displacement transducer seat, 3. (to be measured) displacement transducer, 4. handwheel, 5. displacement transducer clamping knob, 6. high precision grating chi, 7. catch, 8. base, 9. guide rail slide.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
The utility model is the specialized equipment that displacement transducer is examined and determine.It can fast detecting go out the displacement transducer real displacement, and the precision of calibrating installation is higher than the accuracy of detection of displacement transducer, have easy and simple to handle, stable performance, measurement result is accurate, characteristics such as precision height.The utility model can be applicable to displacement transducer manufacturer, vehicle maintenance and repair enterprise, colleges and universities, scientific research institutions and country's metering, quality supervised department.
The utility model adopts 6 pairs of displacement transducers 3 of high precision grating chi to examine and determine.The grating chi is a common instrument, need not extra production, and cost is lower; Secondly, the grating chi has displacement characteristics easy to adjust, can transmit the calibrating data in real time to instrument according to the movement position of displacement transducer 3; The 3rd, the grating chi has very high precision, can satisfy the requirement of measurement verification regulations to calibration accuracy fully.The utility model adopts the feed screw nut transferring power, has reduced weight of equipment in the accurate adjustment that realizes small displacement, has improved calibrating efficient.
Consult Fig. 1 to Fig. 3, the calibrating installation of pocket displacement transducer includes leading screw 1, displacement transducer seat 2, handwheel 4, displacement transducer clamping knob 5, high precision grating chi 6, catch 7, base 8 and guide rail slide 9.
Base 8 is placed on the table top of horizontal polishing, base 8 is at dove-tail form guide rail of the top of selected rectangular parallelepiped blank processing, groove in a U shaped sections of the middle part of dove-tail form guide rail processing, the one, in order to alleviate the weight of base 8, the 2nd, can reduce amount of machining, also have leading screw 1 to be installed in the groove.Groove is along base 8 vertical symmetrical plane processing, and the one end opens wide, other end sealing, and at blind end through hole that cooperates with leading screw 1 of level processing on base 8 vertical symmetrical planes.Leading screw 1 becomes to be connected movingly with through hole with end cap by bearing, handwheel 4 is fixedlyed connected by nut, packing ring with the end that leading screw 1 stretches out through hole, dovetail groove that matches with the dove-tail form guide rail on base 8 tops of processing on guide rail slide 9, guide rail slide 9 is to be sleeved on to become on the dove-tail form guide rail on base 8 tops sliding contact to connect, be fixed with a nut on the end face of guide rail slide 9 dovetail grooves, leading screw 1 is after inserting base 8 blind end through holes, then insert in the nut on the guide rail slide 9 dovetail groove end faces, leading screw 1 is to be threaded with nut.The axis of rotation of the axis of rotation of base 8 blind end through holes and the 9 dovetail groove end face top nuts of guide rail slide should be horizontal conllinear, and the axis of rotation level of the axis of rotation of base 8 blind end through holes and the 9 dovetail groove end face top nuts of guide rail slide is collinear on base 8 vertical symmetrical planes.When rotating handwheel 4, leading screw 1 drives guide rail slide 9 by nut and moves back and forth along base 8 vertical symmetrical plane levels.
Displacement transducer seat 2 is parts of a cuboid, processing one through hole on its vertical axis of symmetry, displacement transducer 3 to be measured just inserts in the through hole on this displacement transducer seat 2, for the displacement transducer to be measured 3 that is installed, vertically process a tapped through hole at the top of displacement transducer seat 2, the screw portion of displacement transducer clamping knob 5 screws in this tapped through hole, and the end face that makes screw portion withstands on the end face of displacement transducer to be measured 3, the rotation displacement sensor clamps knob 5 can play the effect that clamps or unclamp displacement transducer to be measured 3, the axis of rotation of the through hole on the axis of rotation of this tapped through hole and the displacement transducer seat 2 vertical axis of symmetry is vertically intersected in the plane, displacement transducer seat 2 is by means of screw or adopt the mode of welding to be fixed on the last plane of guide rail slide 9, and the axis that inserts the through hole of displacement transducer seat 2 on the back displacement transducer seat 2 is installed should be parallel with base 8 vertical symmetrical planes.
High precision grating chi 6 is fixed on the upper surface of guide rail slide 9 by long spiro nail and cushion block, its displacement transducer seat 2 with the displacement transducer to be measured 3 that is installed is placed side by side, double L-shaped catch 7 is made of a minor face and another the long limit that is welded with a rectangular sheet (rectangular sheet is orthogonal with long limit), the minor face of double L-shaped catch 7 is screwed on a side of base 8, and the outside of rectangular sheet contacts with the contact of displacement transducer to be measured 3 with high precision grating chi 6.
Also can process a steel plateelement that presents L shaped shape, the long limit of steel plateelement is bent upwards 90 degree, and the minor face of steel plateelement is bent downwardly 90 degree can be processed into needed double L-shaped catch 7, is fixed on the side of base 8 with screw then.
The using method of the calibrating installation of pocket displacement transducer:
Base 8 is placed on the table top of horizontal polishing, loosen displacement transducer clamping knob 5, in the through hole on the displacement transducer to be measured 3 insertion displacement transducer seats 2, the contact, end that makes displacement transducer to be measured 3 and high precision grating chi 6 roughly simultaneously, screw displacement transducer clamping knob 5, fixing displacement transducer 3 to be measured, slowly rotate handwheel 4 on demand, drive guide rail slide 9 by leading screw 1 and the nut that is fixed on the guide rail slide 9 dovetail groove end faces, displacement transducer 3 to be measured and high precision grating chi 6 move to fixed catch 7 simultaneously, the contact of displacement transducer 3 to be measured and high precision grating chi 6 is with after the lateral surface of fixed catch 7 contacts, from certain a bit, behind displacement transducer to be measured 3 and the mobile simultaneously segment distance of high precision grating chi 6, at this moment, from high precision grating chi 6, read real displacement, the represented numerical value that goes out of this value and displacement transducer to be measured 3 is compared, can examine and determine displacement transducer to be measured 3.

Claims (2)

1. the calibrating installation of a pocket displacement transducer is characterized in that the calibrating installation of described pocket displacement transducer includes leading screw (1), displacement transducer seat (2), handwheel (4), displacement transducer clamping knob (5), high precision grating chi (6), catch (7), base (8) and guide rail slide (9);
Base (8) is placed on the table top of horizontal polishing, guide rail slide (9) is sleeved on the dovetail groove of processing on it and becomes sliding contact to connect on dove-tail form guide rail on base (8) top, become to be rotationally connected in the through hole of one end insertion base (8) blind end of leading screw (1), insert in the nut that is fixed on guide rail slide (9) the dovetail groove end face to become to be threaded then, handwheel (4) is fixedlyed connected with the other end of leading screw (1) protuberate basic unit (8) blind end through hole, the axis of rotation of the axis of rotation of the nut on guide rail slide (9) the dovetail groove end face and base (8) blind end through hole is wanted horizontal conllinear, and with the vertical symmetrical plane coplane of base (8);
The displacement transducer seat (2) of cuboid is fixed on the last plane of guide rail slide (9), vertically symmetrical plane is parallel with base (8) for the axis of rotation of the through hole that one of processing can be inserted displacement transducer to be measured (3) on its vertical axis of symmetry, the top-down screw-in axis of rotation of the screw portion of displacement transducer clamping knob (5) and can inserting in the screw that the axis of rotation of the through hole of displacement transducer to be measured (3) intersects vertically;
High precision grating chi (6) is fixed on the upper surface of guide rail slide (9), itself and displacement transducer seat (2) are placed side by side, the minor face of double L-shaped catch (7) is fixed on the side of base (8), and the lateral surface of a rectangular sheet that is had on the long limit contacts with the contact of displacement transducer to be measured (3) with high precision grating chi (6).
2. according to the calibrating installation of the described pocket displacement transducer of claim 1, it is characterized in that described base (8) has a microscler part of vertical symmetrical plane, its top be processed with guide rail slide (9) on the dove-tail form guide rail that matches of dovetail groove, in the centre of dove-tail form guide rail along base (8) vertically to the groove of a U shaped sections of one-tenth face processing, this groove one end opens wide, the other end seals, at blind end through hole that cooperates with leading screw (1) of level processing on the vertical symmetrical plane of base (8).
CNU2009200931205U 2009-03-05 2009-03-05 Portable calibrating apparatus for displacement sensor CN201364144Y (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102162768A (en) * 2010-12-29 2011-08-24 中国计量学院 Device for detecting performance of static pressure air flotation guide rail and using method of device
CN102506714A (en) * 2011-10-10 2012-06-20 上海应用技术学院 Laser displacement transducer mounting support provided with adjusting and self-calibrating structure
CN102102974B (en) * 2009-12-17 2012-11-14 北京中铁房山桥梁有限公司 Device and method for measuring pitch of bottom board nail holes on high-speed switch sleeper
CN103162661A (en) * 2013-03-08 2013-06-19 九江精达检测技术有限公司 Device and method for calibrating convergence meter
CN103630099A (en) * 2013-12-02 2014-03-12 常州市计量测试技术研究所 Automated linear displacement sensor calibration device
CN103630076A (en) * 2012-08-30 2014-03-12 长春理工大学 Method and device for calibrating laser displacement sensor
CN103697818A (en) * 2013-12-12 2014-04-02 中国科学院长春光学精密机械与物理研究所 Single-degree-of-freedom flexible fine adjustment mechanism-based micro-displacement sensor calibration device
CN104457495A (en) * 2014-12-08 2015-03-25 太原科技大学 Displacement sensor detecting device
CN105318851A (en) * 2015-11-04 2016-02-10 四川泛华航空仪表电器有限公司 Displacement sensor error universality detection apparatus
CN105823405A (en) * 2016-04-20 2016-08-03 上海工程技术大学 Inductance type displacement sensor detecting device
CN109373882A (en) * 2018-10-30 2019-02-22 中国科学院金属研究所 A kind of calibration method of linear displacement transducer
CN109596083A (en) * 2018-11-07 2019-04-09 中国航空工业集团公司西安飞机设计研究所 Guiding tool for field calibration linear movement pick-up

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102102974B (en) * 2009-12-17 2012-11-14 北京中铁房山桥梁有限公司 Device and method for measuring pitch of bottom board nail holes on high-speed switch sleeper
CN102162768A (en) * 2010-12-29 2011-08-24 中国计量学院 Device for detecting performance of static pressure air flotation guide rail and using method of device
CN102162768B (en) * 2010-12-29 2012-09-05 中国计量学院 Device for detecting performance of static pressure air flotation guide rail and using method of device
CN102506714A (en) * 2011-10-10 2012-06-20 上海应用技术学院 Laser displacement transducer mounting support provided with adjusting and self-calibrating structure
CN103630076A (en) * 2012-08-30 2014-03-12 长春理工大学 Method and device for calibrating laser displacement sensor
CN103162661A (en) * 2013-03-08 2013-06-19 九江精达检测技术有限公司 Device and method for calibrating convergence meter
CN103630099A (en) * 2013-12-02 2014-03-12 常州市计量测试技术研究所 Automated linear displacement sensor calibration device
CN103630099B (en) * 2013-12-02 2016-01-13 常州市计量测试技术研究所 Linear displacement transducer auto-calibration device
CN103697818B (en) * 2013-12-12 2016-07-27 中国科学院长春光学精密机械与物理研究所 Calibration device of micro-displacement sensor based on single-freedom and flexible fine motion guiding mechanism
CN103697818A (en) * 2013-12-12 2014-04-02 中国科学院长春光学精密机械与物理研究所 Single-degree-of-freedom flexible fine adjustment mechanism-based micro-displacement sensor calibration device
CN104457495A (en) * 2014-12-08 2015-03-25 太原科技大学 Displacement sensor detecting device
CN105318851A (en) * 2015-11-04 2016-02-10 四川泛华航空仪表电器有限公司 Displacement sensor error universality detection apparatus
CN105823405A (en) * 2016-04-20 2016-08-03 上海工程技术大学 Inductance type displacement sensor detecting device
CN109373882A (en) * 2018-10-30 2019-02-22 中国科学院金属研究所 A kind of calibration method of linear displacement transducer
CN109596083A (en) * 2018-11-07 2019-04-09 中国航空工业集团公司西安飞机设计研究所 Guiding tool for field calibration linear movement pick-up

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091216

Termination date: 20120305