CN105157519B - A kind of capacitive grating type measuring instrument and the slide plate thickness detecting method using the measuring instrument - Google Patents
A kind of capacitive grating type measuring instrument and the slide plate thickness detecting method using the measuring instrument Download PDFInfo
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- CN105157519B CN105157519B CN201510252331.9A CN201510252331A CN105157519B CN 105157519 B CN105157519 B CN 105157519B CN 201510252331 A CN201510252331 A CN 201510252331A CN 105157519 B CN105157519 B CN 105157519B
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Abstract
A kind of slide plate thickness detecting method the present invention relates to capacitive grating type measuring instrument and using the measuring instrument, including frame and the moving grid frame equipped with linear pattern capacitor grid transducer, the moving grid frame, which is vertically oriented to, to be assemblied in frame；The hinge axes stirring hand vertical with above-below direction is hinged with frame, described stirring hand one end coordinates with the moving grid frame pushing tow to promote the moving grid frame to move from the bottom to top.The present invention uses stirring hand, and stirring hand one end coordinates with moving grid frame pushing tow, and the other end prizes stirring hand for giving certain power, is moved from the bottom to top so as to pushing tow moving grid frame, drives the moving grid of capacitor grid transducer to move, and realizes measurement.Stirring hand need to be only stirred when this mode operates with hand, operation is very simple.And operation part only relates to the stirring hand of a similar lever, measurement apparatus structure is also very simple.
Description
Technical field
The present invention relates to a kind of capacitive grating type measuring instrument, the survey for electric locomotive pantograph sliding plate thickness and discharging gap
Amount, also relate to the slide plate thickness detecting method using the measuring instrument.
Background technology
Pantograph pan is the important component of electric locomotive power resources, is chronically exposed under natural conditions, directly with connecing
Net-fault conductive contact, mechanical wear, electric power ablation etc. are constantly produced with contact line conducting wire in the process of running, pantograph can be caused
Slide plate is thinning, influences electric conductivity, and the safe operation to electric locomotive causes certain threat.Therefore locomotive work personnel will determine
Phase measures to the thickness of pantograph pan, when the thickness of pantograph pan is less than certain value, need to change in time.Work at present
Make personnel to measure pantograph pan using slide measure, in measurement process, because pantograph pan wears uneven, thickness
Degree differs, and to ensure the minimum thickness of pantograph pan in safe range, staff is needed to the multiple of pantograph pan
Different places take multiple measurements record, and cumbersome, efficiency is low, and workload is larger, while human factor be present and misread or miss
The risk of record.After pantograph pan thickness has been measured, staff also needs to measure discharging gap record, further
Increase workload.
Pantograph pan thickness and the special equipment of discharging gap measurement are seldom related in the prior art.In thickness measure
Field, popular is the equipment such as capacitive grid numeral display calibrator, digimatic micrometer.These equipment are all to block determinand by gauge head
（Similar micrometer）, and gauge head and capacitor grid transducer link, and capacitor grid transducer is by the straight line of gauge head（Or angle）Displacement signal turns
The electric signal for including determinand thickness is changed to, and these electric signals are passed through into numerical display device（Such as LCD display）Shown
Show.
Such as the Chinese patent application of Application No. 200320114979.2《A kind of new capacitive digital display thickness measuring meter》, including
LCD display, casing,（Capacitor grid transducer）Moving grid and fixed grid, pushing block and measuring staff, measuring staff are fixedly connected with moving grid.Stir
During pushing block, drive measuring staff to move by gear-driven mode, determinand is clamped between measuring staff and casing, is treated so as to measure
Survey thing thickness.
In such scheme, pushing block drives measuring staff to move by gear-driven mode, and this kind of drive is not easy to make
During with, operating cost, and the structures such as pitch wheel, hook pusher dog are involved a need to, cause whole device complicated.
The content of the invention
It is unhandy to solve existing capacitive grating type measuring instrument it is an object of the invention to provide a kind of capacitive grating type measuring instrument
Problem.Meanwhile present invention also offers a kind of slide plate thickness detecting method using the measuring instrument, can quickly measurement of skateboarding it is thick
Degree.
To achieve the above object, the solution of the present invention includes：
A kind of capacitive grating type measuring instrument, including frame and the moving grid frame equipped with linear pattern capacitor grid transducer, the moving grid frame edge
It is oriented to and is assemblied in frame up and down；Be hinged with the hinge axes stirring hand vertical with above-below direction in frame, described stirring hand one end with
The moving grid frame pushing tow coordinates to promote the moving grid frame to move from the bottom to top.
Back-moving spring is additionally provided between the moving grid frame and frame, the back-moving spring provides downward pulling force to moving grid frame.
Described back-moving spring one end is arranged on frame top, and the other end is connected to moving grid frame after being commutated by a reversing shaft
On, the reversing shaft axis is perpendicular to above-below direction.
The moving grid frame includes the vertically extending measuring staff of moving grid shell and axis, and measuring staff is oriented to up and down with frame matches somebody with somebody
Close.
Thickness measuring gauge head is fixedly connected with by measurement bay on moving grid frame, the measurement bay includes being fixedly connected with the moving grid frame
Transverse arm, and one be used to be fixedly connected with the vertical arm of thickness measuring gauge head, and vertical arm is arranged at the one end of transverse arm away from moving grid frame, described
Thickness measuring gauge head is arranged at vertical arm lower end, is provided with frame below thickness measuring gauge head with thickness measuring gauge head relative engagement to clamp determinand
Thickness measuring auxiliary section.
Also include hand holding handle in the frame, the hand holding handle is located at the rear end of capacitive grating type measuring instrument with thickness measuring gauge head respectively
And front end.
The top of the measuring staff is provided with clearance measurement gauge head, and frame is provided with its bottom is used for the use coordinated opposite with clearance measurement gauge head
In the clearance measurement auxiliary section of measurement gap.
Main control circuit and display screen are additionally provided with frame.
The method of the measurement of skateboarding thickness of the present invention, step are as follows：
Stir stirring hand and drive the motion of moving grid frame, the thickness measuring gauge head for making to be connected on moving grid frame moves upwards, by slide plate to be measured
It is placed between thickness measuring gauge head and thickness measuring auxiliary section below；
Stirring hand is unclamped, capacitive grating type measuring instrument is slided on slide plate, is measured in real time；In sliding process, thickness measuring gauge head
Do not influenceed by stirring hand with slide plate thickness free floating.
After slip terminates, the thickness minimum value in sliding process is exported.
The present invention use stirring hand, and stirring hand one end coordinates with moving grid frame pushing tow, and the other end is used to giving certain power and prized group
Hand, moved from the bottom to top so as to pushing tow moving grid frame, drive the moving grid of capacitor grid transducer to move, realize measurement.This mode
Stirring hand need to be only stirred during operation with hand, operation is very simple.And operation part only relates to the stirring hand of a similar lever,
Measurement apparatus structure is also very simple.
In the measurement apparatus of the present invention, gauge head is used to be contacted with determinand.Gauge head includes thickness measuring gauge head, for clamping
Determinand measures.Gauge head also includes the clearance measurement gauge head of measurement gap, is treated for being withstood in gap to be measured on above-below direction
Survey gap.
Hand holding handle is provided with the present invention, facilitates operating personnel's one-handed performance.
The back-moving spring of the present invention can play a part of resetting moving grid frame, while can also be clamped in thickness measuring gauge head to be measured
Thing provides certain chucking power.
The detection method of the present invention, directly in the enterprising line slip of slide plate, detected in real time when sliding, due to make use of
Above-mentioned stirring hand structure will not impact to thickness measuring gauge head, can be with slide plate thickness free floating, so as to sliding process
In the whole slide plate that slips over disposably measured.
Further, because the main purpose of slide plate thickness measure is to judge the slide plate degree of wear, so, directly output is slided
Thickness minimum value during dynamic.
Brief description of the drawings
Fig. 1 is the measurement apparatus structure chart of the embodiment of the present invention；
Fig. 2 is the circuit theory diagrams of the embodiment of the present invention.
Embodiment
Capacitive grating type measuring instrument embodiment
Capacitive grating type measuring instrument as shown in Figure 1, including frame 1, gauge head and the moving grid frame equipped with linear pattern capacitor grid transducer,
Moving grid frame, which is vertically oriented to, to be assemblied in frame.Moving grid frame includes the vertically extending measuring staff 3 of moving grid shell 2 and axis,
Measuring staff is oriented to cooperation up and down with frame.Along direction as shown, moving grid frame rear end is hand holding handle 4.Hinge axes are hinged with hand holding handle
The stirring hand 5 vertical with above-below direction.Stirring hand one end coordinates with moving grid frame pushing tow, and the stirring hand other end is stirred by operating personnel, so as to
Stirring hand is prized to move from the bottom to top with pushing tow moving grid frame.Back-moving spring 6 is provided between moving grid frame and frame, the back-moving spring pair
Moving grid frame provides downward pulling force.Back-moving spring one end is arranged on frame top, and the other end connects after being commutated by a reversing shaft
On moving grid frame, reversing shaft axis is perpendicular to above-below direction.
In the present embodiment, gauge head includes thickness measuring gauge head 11 and clearance measurement gauge head 21.
Thickness measuring gauge head 11 is fixedly connected with by measurement bay 13 on moving grid frame, measurement bay 13 includes fixing with the moving grid frame and connected
The transverse arm connect, and a vertical arm for being used to be fixedly connected with thickness measuring gauge head, vertical arm are arranged at the one end of transverse arm away from moving grid frame, surveyed
Thick gauge head is arranged at vertical arm lower end, is provided with frame below thickness measuring gauge head with thickness measuring gauge head relative engagement to clamp determinand
Thickness measuring auxiliary section 12.Thickness measuring gauge head is located at measuring instrument front end, is oppositely arranged with hand holding handle, so sets more convenient operation.
The top of measuring staff 3 is provided with clearance measurement gauge head 21, and frame is provided with its bottom is used for the use coordinated opposite with clearance measurement gauge head
In the clearance measurement auxiliary section 22 of measurement gap.
Main control circuit and display screen, main control circuit MCU are additionally provided with frame.In addition, in the present embodiment, master control
Circuit processed is also associated with button, indicator lamp, loudspeaker and bluetooth module etc., and bluetooth module is used for wireless telecommunications, transmission measurement
Data；Button can be designed as function button, such as the button of school zero, thickness measuring/clearance measurement switching key, power switch etc., instruction
Lamp and loudspeaker are used to operating process is indicated and reminded.
The measuring instrument of the present embodiment is suitable for pantograph pan thickness measure and discharging gap measurement.Discharging gap is in machine
Position in car owner loop is typically before main circuit breaker, after pantograph, to limit atmospheric over-voltage.It is over-pressed when occurring
When, electric locomotive discharging gap breakdown, so that locomotive is not by over-voltage protection.The discharging gap spacing used on locomotive is general
For 90 ~ 110mm.
In operating process, first to measurement apparatus school zero, make stirring hand in the raw, press the button of school zero, hear
" drop " sound prompt tone, display screen show the current measured value of two gauge heads, if 00.0, show that school zero is completed.
After completing school zero, stirring hand is pressed, stirring hand moving grid frame moves up, and drives thickness measuring gauge head to move up, back-moving spring
It is stretched.The upper and lower surfaces of pantograph pan are blocked between thickness measuring gauge head and thickness measuring auxiliary section, now unclamp stirring hand, are being resetted
In the presence of spring, the upper and lower surfaces of pantograph pan are blocked, press measurement switch, you can obtain the thickness of current location
Value.
In order to measure the thickness of whole slide plate, multiple points can be selected to measure on whole slide plate.Or utilize MCU
Internal processes, measuring instrument is constantly in measuring state, scan the measured value of capacitor grid transducer, while measuring instrument is slipped over entirely
Slide plate can obtain the thickness value everywhere of whole slide plate.Due to stirring hand pushing tow moving grid frame, and moving grid frame is connected with spring, thickness measuring
Distance can adapt to slide plate thickness and change in slip between gauge head and thickness measuring auxiliary section, so the measuring instrument of the present embodiment is very
Easily realize the operation for slipping over whole slide plate.In general, the thickness minimum value on our major concern slide plates, so making display
Screen shows the minimum value of whole slide plate thickness.
When measuring discharging gap, between measuring instrument is placed on into discharging gap, with the height of measuring instrument in itself plus survey
The height that bar moves up measures the distance of discharging gap, and the clearance measurement of clearance measurement gauge head and bottom of the frame at the top of measuring staff coordinates
Measurement switch is pressed when being respectively held against two discharge columns up and down and is measured in portion.
When measurement apparatus is connected not over bluetooth with other equipment, it can show that " bluetooth is not for red font on display screen
Connection ", when the success of the Bluetooth pairing of measurement apparatus and other equipment, white font " bluetooth has connected " can be shown on display screen,
Can be by data transfer to other equipment.
Chargeable lithium cell built in measuring instrument is powered for whole circuit.
On main control circuit and button, the circuit design of capacitor grid transducer, programming belongs to prior art, therefore
Herein without describing in detail.It is pointed out that as other embodiment, can not be set on measuring instrument display screen,
The parts such as button, and will be shown by wirelessly or non-wirelessly transmitting in the transmitting measured values of capacitor grid transducer to other equipment.
And for display screen and measuring instrument are assembled together in the case of, the additional device such as button, loudspeaker, indicator lamp is all can
To be designed according to product style, function, decide whether to install.
In addition, the deformation as above-mentioned embodiment, the present invention can only set a kind of gauge head, thickness measuring or clearance measurement.
As other embodiment, stirring hand can also be hinged on the part that hand holding handle is not belonging in frame, or even measuring instrument
On be not provided with hand holding handle.
Slide plate thickness detecting method embodiment
Measuring instrument as shown in Figure 1, slide plate thickness detecting method are：Stir stirring hand and drive the motion of moving grid frame, make to be connected to dynamic
Thickness measuring gauge head in gratings is moved upwards, and slide plate to be measured is placed between thickness measuring gauge head and thickness measuring auxiliary section below；Unclamp
Stirring hand, capacitive grating type measuring instrument is slided on slide plate, measured in real time；In sliding process, thickness measuring gauge head is not influenceed by stirring hand
With slide plate thickness free floating.
As other embodiment, the measuring instrument that the above method is related at least needs stirring hand, moving grid frame, thickness measuring measuring head structure
And main control circuit, other structures can be used as optimization, as hand holding handle is used to facilitate people to hold.Back-moving spring can be thickness measuring gauge head
Certain chucking power is provided, thickness measuring gauge head is in close contact with slide plate, to obtain more accurate measurement result.
According to the burned program of the microprocessor in main control circuit, the above method can be exported in sliding process or
Total data of the person in output sliding process at the end of slip；Or after slip terminates, export the thickness in sliding process
Minimum value.
What is be presented above is specific embodiment, but the present invention is not limited to described embodiment.The present invention
Basic ideas be such scheme, for those of ordinary skill in the art, according to the teachings of the present invention to above-mentioned embodiment party
The scheme that specific means in formula is formed after being deformed, replaced and being combined is still fallen within protection scope of the present invention.
Claims (7)
1. a kind of capacitive grating type measuring instrument, including frame and the moving grid frame equipped with linear pattern capacitor grid transducer, it is characterised in that described
Moving grid frame, which is vertically oriented to, to be assemblied in frame；It is hinged with the hinge axes stirring hand vertical with above-below direction in frame, described group
Hand one end coordinates with the moving grid frame pushing tow to promote the moving grid frame to move from the bottom to top；The moving grid frame includes moving grid shell
The vertically extending measuring staff with axis, measuring staff are oriented to cooperation up and down with frame；It is fixedly connected on moving grid frame by measurement bay
Thickness measuring gauge head, the measurement bay include the transverse arm being fixedly connected with the moving grid frame, and one is used to be fixedly connected with thickness measuring survey
The vertical arm of head, vertical arm are arranged at the one end of transverse arm away from moving grid frame, and the thickness measuring gauge head is arranged at vertical arm lower end, in survey in frame
It is provided with below thick gauge head with thickness measuring gauge head relative engagement to clamp the thickness measuring auxiliary section of determinand；The top of the measuring staff, which is provided with, to be surveyed
Gap gauge head, frame are provided with the clearance measurement auxiliary section for measurement gap being used for clearance measurement gauge head relative engagement in its bottom.
2. a kind of capacitive grating type measuring instrument according to claim 1, it is characterised in that also set between the moving grid frame and frame
Back-moving spring is equipped with, the back-moving spring provides downward pulling force to moving grid frame.
3. a kind of capacitive grating type measuring instrument according to claim 2, it is characterised in that described back-moving spring one end is arranged on machine
Top of the trellis, the other end are connected on moving grid frame after being commutated by a reversing shaft, and the reversing shaft axis is perpendicular to above-below direction.
A kind of 4. capacitive grating type measuring instrument according to claim 1, it is characterised in that also include hand holding handle in the frame,
The hand holding handle is located at the rear end and front end of capacitive grating type measuring instrument with thickness measuring gauge head respectively.
5. a kind of capacitive grating type measuring instrument according to claim any one of 1-4, it is characterised in that master is additionally provided with frame
Control circuit and display screen.
6. utilize the method for capacitive grating type measuring instrument measurement of skateboarding thickness described in claim 1, it is characterised in that step is as follows：
Stir stirring hand and drive the motion of moving grid frame, the thickness measuring gauge head for making to be connected on moving grid frame moves, slide plate to be measured is placed in upwards
Between thickness measuring gauge head and thickness measuring auxiliary section below；
Stirring hand is unclamped, capacitive grating type measuring instrument is slided on slide plate, is measured in real time；In sliding process, thickness measuring gauge head not by
Stirring hand is influenceed with slide plate thickness free floating.
7. the method for measurement of skateboarding thickness according to claim 6, it is characterised in that after slip terminates, output is slided
During thickness minimum value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252331.9A CN105157519B (en) | 2015-05-18 | 2015-05-18 | A kind of capacitive grating type measuring instrument and the slide plate thickness detecting method using the measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252331.9A CN105157519B (en) | 2015-05-18 | 2015-05-18 | A kind of capacitive grating type measuring instrument and the slide plate thickness detecting method using the measuring instrument |
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| CN105157519A CN105157519A (en) | 2015-12-16 |
| CN105157519B true CN105157519B (en) | 2018-03-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109612382B (en) * | 2019-02-01 | 2024-05-10 | 哈尔滨恒达交通设备技术开发有限公司 | Train brake lining thickness measuring instrument |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2646657Y (en) * | 2003-10-28 | 2004-10-06 | 吴亚平 | A novel capacitive digital display thickness measuring meter |
| CN101430189A (en) * | 2008-12-11 | 2009-05-13 | 陕西科技大学 | Leather thickness determinator with measurement start timing function and method for acquiring start timing signal |
| CN102607384A (en) * | 2012-03-29 | 2012-07-25 | 宁波市镇海银球轴承有限公司 | Flatness measuring instrument for outer ferrule |
| CN204831112U (en) * | 2015-05-18 | 2015-12-02 | 郑州畅想高科股份有限公司 | A hold bars type measuring apparatu that is used for electric locomotive pantograph slide thickness and discharge gap |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3298328B2 (en) * | 1994-09-29 | 2002-07-02 | 株式会社豊田中央研究所 | Dielectric constant measuring device |
| JP4501137B2 (en) * | 2005-10-17 | 2010-07-14 | 株式会社ジャステム | Capacitance type thickness multipoint measuring method and apparatus |
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2015
- 2015-05-18 CN CN201510252331.9A patent/CN105157519B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2646657Y (en) * | 2003-10-28 | 2004-10-06 | 吴亚平 | A novel capacitive digital display thickness measuring meter |
| CN101430189A (en) * | 2008-12-11 | 2009-05-13 | 陕西科技大学 | Leather thickness determinator with measurement start timing function and method for acquiring start timing signal |
| CN102607384A (en) * | 2012-03-29 | 2012-07-25 | 宁波市镇海银球轴承有限公司 | Flatness measuring instrument for outer ferrule |
| CN204831112U (en) * | 2015-05-18 | 2015-12-02 | 郑州畅想高科股份有限公司 | A hold bars type measuring apparatu that is used for electric locomotive pantograph slide thickness and discharge gap |
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