CN108444442A - A kind of obliquity sensor and the equipment for measuring the rail upper and lower surface gradient - Google Patents
A kind of obliquity sensor and the equipment for measuring the rail upper and lower surface gradient Download PDFInfo
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- CN108444442A CN108444442A CN201810033839.3A CN201810033839A CN108444442A CN 108444442 A CN108444442 A CN 108444442A CN 201810033839 A CN201810033839 A CN 201810033839A CN 108444442 A CN108444442 A CN 108444442A
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- sensitivity
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- obliquity sensor
- rail
- measuring
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Abstract
The invention discloses a kind of obliquity sensor and the equipment for measuring the rail upper and lower surface gradient, wherein, the obliquity sensor includes compensating approach module, the compensating approach module carrying out temperature drift compensation and sensitivity compensation, realize to as temperature change and caused by measured deviation compensate and correct；Method for temperature drift compensation includes compensating calculating to the angular values actually measured according to compensation formula, obtains the angular values after compensation.The equipment of the measurement rail upper and lower surface gradient of offer, the use of ball switch can be achieved automatic identification and switch the measuring state of rail top slope and rail cant, comprehensive compensation is carried out in terms of null offset and sensitivity two by the method for experiment, compensation method is more accurate reasonable, significant effect, in addition the measuring instrument structure is relatively simple, easy to use.
Description
Technical field
The present invention relates to orbit measurement technical field more particularly to a kind of obliquity sensor and automatic identification and can switch
The equipment on the rail top slope of rail and the measurement rail upper and lower surface gradient of rail cant measuring state.
Background technology
Rail cant refers to the cross fall formed between the rail flange of rail and orbit plane.Rail be arranged rail cant the reason of be
Since wheel tread and rail surface dominant touch part are 1：20 slope, therefore to be also required to accordingly to be arranged one inside for rail
Angle of inclination, i.e. rail cant.The effect one that rail cant is arranged is wheel pressure can be made to concentrate on the central axes of rail, is improved
The lateral stability ability of rail reduces load over centre away from reduction web of the rail stress avoids rail head that lobe occurs with web of the rail junction；
Second is that in order to make the 1 of wheel tread：20 part can with contacted in the middle part of rail top surface, increase wheel track between contact area, subtract
Therefore small contact stress and resulting plastic deformation also can accordingly reduce the abrasion of rail and wheel.
In recent years, with the fast development of urban track traffic, the improper abrasion of rail constantly go out in rail traffic
Existing, currently, the equipment for measuring rail cant has complicated, measurement inconvenience, and function is relatively simple, can only be to the flange of rail
Slope is detected.In addition, existing rail cant is not accounted for substantially with the angle measurement in the measuring apparatus on rail top slope due to steel
The variation of rail temperature and caused by angular values deviation, it is inaccurate so as to cause measured value.
Invention content
It is an object of the invention to solve above-mentioned technical problem,
A kind of accurate obliquity sensor of measurement is provided, and a kind of simple in structure, it is convenient to measure, and can realize rail
Push up the equipment that the measurement rail upper and lower surface gradient measured is automatically switched on slope with rail cant.
Technical solution of the invention is a kind of obliquity sensor, including compensating approach module, the compensating approach mould
Block carrying out temperature drift compensation and sensitivity compensation, realize to as temperature change and caused by measured deviation compensate
It corrects, it is characterised in that：The temperature drift compensation of the obliquity sensor determines by the following method：
A, obliquity sensor is positioned in a temperature adjustable space environment in the plane with certain angle of inclination；
B, open obliquity sensor, set different ambient temperature values and measure angular values at this temperature, chip with
Record and store the angular values；
When c, carrying out practical measure, obliquity sensor compensates meter according to compensation formula to the angular values actually measured
It calculates, show that the angular values after compensation, the compensation formula are：yo=yt-(ytr-y20), wherein using 20 degrees Celsius as data
The temperature of zero is compensated,
yoAngle value after being compensated for temperature drift；
ytFor the angle measured value under Current Temperatures；
ytrFor the corresponding angle value being recorded in storage chip of Current Temperatures；
y20For 20 degrees Celsius of corresponding angle values being recorded in storage chip.
Further, the sensitivity compensation of the obliquity sensor determines by the following method：
A, obliquity sensor is positioned in a temperature adjustable space environment in the plane with certain angle of inclination；
B, open obliquity sensor, measure angular values at this temperature under the different temperatures numerical value of setting, chip with
Record and store the angular values；
C, when obliquity sensor carries out practical measure, the angle value under the above-mentioned different temperatures measured is converted into sensitive
Number of degrees value, obliquity sensor compensate calculating according to compensation formula to the sensitivity number surveyed, and obtain sensitive after compensation
Number of degrees value, the compensation formula are：Sensitivityo=Sensitivityt-(Sensitivitytr-Sensitivity20),
Wherein, by 20 degrees Celsius of temperature as sensitivity compensation datum mark,
SensitivityoFor the sensitivity after sensitivity compensation；
SensitivitytFor sensitivity measured value under Current Temperatures；
SensitivitytrFor the sensitivity that the corresponding angle value being recorded in storage chip is converted under Current Temperatures
Value；
Sensitivity20The Sensitirity va1ue being converted into for 20 degrees Celsius of corresponding angle values being recorded in storage chip.
Another object of the present invention is to provide a kind of equipment measuring the rail upper and lower surface gradient, including a measuring surface
Plate and control volume, control volume is interior to be equipped with controller, and being also associated with obliquity sensor, power supply, contact induction on the controller opens
It closes and ball switch, the contact induction switch is set in the control dignity perpendicular with the measuring surface of measurement panel, is used for
The contact condition of equipment and tested rail is inductively measured, the ball switch changes with the direction for measuring panel measuring surface, from
The measuring state of dynamic the switching flange of rail and the rail top gradient.
Further, the obliquity sensor carry compensating approach module, it is described compensation include temperature drift compensation and
Sensitivity compensation, for as temperature change and caused by measured deviation compensate and correct.
Further, the measurement panel is detachably connected with control volume.
Further, be additionally provided with the display screen being connected with controller on the control volume, for showing testing number it is believed that
Breath.
Further, above-mentioned measuring apparatus further includes the handle being connected with control volume, and the power supply, hand are placed in handle
Handle tail is equipped with self-locking key switch.
Further, it is also associated with buzzer on the controller.
Further, the measuring surface for measuring panel is equipped with magnetic adsorption device, is absorbed and fixed at for that will measure panel
On tested rail.
Further, the inductive switch quantity at least two.
Beneficial effects of the present invention are embodied in, and the rail cant measuring instrument provided, obliquity sensor uses so that rail cant
It is more accurate that degree measures, and the use of ball switch can be achieved automatic identification and switch the measuring state of rail top slope and rail cant, this
The outer measuring instrument structure is relatively simple, easy to use, has to utilize and promote the use of.
Description of the drawings
Fig. 1, Fig. 2 are the structural schematic diagram for the equipment that the present invention measures the rail upper and lower surface gradient；
Fig. 3 is the structural schematic diagram of ball switch；
Fig. 4 is the relation curve of measuring temperature and measurement angle deviation.
Specific implementation mode
The equipment schematic diagram of the rail upper and lower surface gradient is measured for the present invention as shown in Figure 1 and Figure 2, on a kind of measurement rail
The equipment of the lower surface gradient, including a measurement panel 1 and control volume 2, control volume 2 is interior to be equipped with controller, which is characterized in that described
Obliquity sensor, power supply, contact induction switch 3 and ball switch are also associated on controller, the contact induction switch 3 is set
In with measure panel 1 the perpendicular control dignity of measuring surface on, the contact condition for inductively measuring equipment and tested rail,
The ball switch changes with the direction for measuring panel measuring surface, automatically switches the measuring state of the flange of rail and the rail top gradient.
It is illustrated in figure 3 the ball switch structural schematic diagram of embodiment, including shell 91, the ball that is positioned over inside shell 91
Shape conductor 92, the pedestal 93 for being connected to shell 91 and two connection terminals 94 that enclosure interior is extended to across pedestal 93；When
When ball switch is in vertical positive placement, spheric conductor 92 is in contact with two connection terminals 94, ball switch and controller
Connection circuit in an ON state, generate a relatively high level, when ball switch, which is in vertical, to be inverted, spherical shape is led
Body 92 is not contacted with two connection terminals 94, and connection circuit will produce a lower level；Controller is according to ball switch
Different placement statuses and judgement is identified in the low and high level signal that generates, and be switched to the survey on corresponding rail cant or rail top slope
Amount state.The use of ball switch so that measuring apparatus can be with the measuring state of automatic identification rail cant and rail top slope, and switches
To under corresponding measurement pattern.
Preferably, the obliquity sensor carries compensating approach module, for as temperature change and caused by measure it is inclined
Difference compensates and corrects.When temperature change, due to expanding with heat and contract with cold, shape can change material；Component in temperature change,
Relevant parameter can also change.Therefore it is calculated after can not being compensated to single factor in obliquity sensor compensation process total
Deviation, need to compensate systematic parameter.For the equipment of rail slope measuring in measurement process, what is actually measured is angle
Degree recycles angle to carry out formula scales and obtains slope ratio, therefore, during compensation, can be compensated to angle.According to
The influence factor of temperature change, the compensation includes temperature drift compensation and sensitivity compensation.
Preferably, the measuring surface 1 is to be detachably connected with control volume 2, as a kind of exemplary application, is connected using bolt
It connects, it is easy to disassemble.In addition, as another selection, control volume 2 is fixedly arranged on the measurement panel 1.
Preferably, the display screen 4 being connected with controller is additionally provided on the control volume 2, for showing testing number it is believed that
Breath.
Preferably, the rail cant measuring instrument further includes the handle 6 being connected with control volume 2, as a kind of embodiment,
Connection backing plate 7 is additionally provided between handle 6 and control volume 2, the connection of 6 one end of handle is mounted on the backing plate 7, and backing plate 7 is detachable
It is connected and fixed on control volume 2 and/or measures on panel 1；The power supply is placed in handle 6,6 tail portion of handle is opened equipped with self-locking button
8, when pressing for the first time are closed, switch connection, power supply is powered to control volume, and when pressing for the second time, switch disconnects, control volume power-off；
The power supply is disposable battery or rechargeable battery.
Preferably, buzzer is also associated on the controller, the buzzer is used in measuring instrument to rail top or bottom
After the slope measuring in face is stablized, reading prompt tone when locking is sent out, when testing again next time, latch-release, and start weight
New test.
Preferably, the measuring surface is equipped with magnetic adsorption device 5, and tested rail is absorbed and fixed at for that will measure panel 1
On.As a kind of embodiment application, the magnetic adsorption device 5 is to be embedded in the permanent magnet for measuring measuring surface on panel, and quantity is
Array distribution it is multiple.
Preferably, 3 quantity at least two of the inductive switch, inductive switch 3 is set to the measurement with measurement panel 1
In the perpendicular control dignity in face, when a measurement is taken, the measuring surface is contacted with tested rail surface, and control volume 2 is equipped with sense
Then the rail perpendicular with tested rail surface is in contact the one side of inductive switch 3, when contact stablize after, inductive switch 3, which starts, to be measured
Instrument enters DATA REASONING state.
As a preferred embodiment, the controller includes logic control circuit and the analog-to-digital conversion core that is attached thereto
Piece, modulus conversion chip are connected with the obliquity sensor, and the analog signal that obliquity sensor exports is converted to data letter
Number, to obtain rail top or rail cant Gradient.
Preferably, a kind of method for temperature drift compensation of obliquity sensor, the specific steps are：
A, obliquity sensor is positioned in a temperature adjustable space environment in the plane with certain angle of inclination；
B, open obliquity sensor, set different ambient temperature values and measure angular values at this temperature, chip with
Record and store the angular values；
C, when carrying out practical measure, obliquity sensor compensates meter according to compensation formula to the angular values surveyed
It calculates, show that the angular values after compensation, the compensation formula are：yo=yt-(ytr-y20), wherein using 20 degrees Celsius as data
The temperature of zero is compensated,
yoAngle value after being compensated for temperature drift；
ytFor the angle measured value under Current Temperatures；
ytrFor the corresponding angle value being recorded in storage chip of Current Temperatures；
y20For 20 degrees Celsius of corresponding angle values being recorded in storage chip.
As a feasible embodiment, the compensation of above-mentioned temperature drift is that obliquity sensor is placed on temperature is adjustable
Incubator horizontal plane on, obliquity sensor experience is once by the process of high temperature to low temperature or low temperature to high temperature, the inclination angle biography
The chip of sensor is being recorded in the angle-data under these temperature spots every a fixed temperature spot, and stores and arrive storage chip
In.The relation curve being illustrated in figure 4 between measuring temperature and measurement angle deviation, it can be seen that, with the change of measuring temperature
Change, measurement angle will appear deviation；After temperature drift compensation, the deviation of measurement angle is almost nil so that the angle of measurement
Number of degrees value is more true, accurate.
Preferably, a kind of sensitivity compensation method of obliquity sensor, the specific steps are：
A, obliquity sensor is positioned in a temperature adjustable space environment in the plane with certain angle of inclination；
B, open obliquity sensor, measure angular values at this temperature under the different temperatures numerical value of setting, chip with
Record and store the angular values；
C, when obliquity sensor carries out practical measure, the angle value under the above-mentioned different temperatures measured is converted into sensitivity
Numerical value, obliquity sensor compensate calculating according to compensation formula to the sensitivity number surveyed, and obtain the sensitivity after compensation
Numerical value, the compensation formula are：Sensitivityo=Sensitivityt-(Sensitivitytr-Sensitivity20),
In, by 20 degrees Celsius of temperature as sensitivity compensation datum mark,
SensitivityoFor the sensitivity after sensitivity compensation；
SensitivitytFor sensitivity measured value under Current Temperatures；
SensitivitytrFor the sensitivity that the corresponding angle value being recorded in storage chip is converted under Current Temperatures
Value；
Sensitivity20The Sensitirity va1ue being converted into for 20 degrees Celsius of corresponding angle values being recorded in storage chip.
Since the compensation of sensitivity is different in the offset data of forward and reverse, the compensation of sensitivity will be divided into forward direction
It reversely compensates twice, when output angle is negative value, carries out reversed sensitivity compensation, compensation formula is same as above.
The operation principle and process of the present invention is opened the self-locking button set on 6 tail portion of handle and is opened when needing to measure
8 are closed, control volume 2 powers on, and then the measuring surface for measuring panel 1 is in contact with the rail top of rail to be measured or flange of rail face, leads to
The stabilization of panel 1 will be measured set on the magnetic adsorption device 5 for measuring 1 measuring surface of panel by, which crossing, is adsorbed on the rail top or flange of rail face of rail；
Ball switch is with measuring the measurement of panel 1 up or downward, automatic identification and the measurement for switching the flange of rail or the rail top gradient,
It is described to measure face-down, the circuit of the ball switch turn on automatically measurement rail top gradient when measuring the rail top gradient；When the measurement flange of rail
When the gradient, face-down, the circuit of the ball switch turn on automatically measurement flange of rail gradient is measured；Meanwhile the induction on control volume 2
Switch 3 is contacted with the side rail perpendicular to rail top of steel rail or flange of rail face, when inductive switch 3 is contacted with side rail well, control
Device processed starts to start obliquity sensor progress rail top or the acquisition of rail cant grade signal, and modulus conversion chip is again by obliquity sensor
Output signal be converted to data-signal, after pending data is stablized, controller is automatic by the rail top of acquisition or rail cant Gradient
Locking, buzzer when locking will send out reading prompt tone, and display screen 4 shows the flange of rail grade information currently measured and need automatically
The gradient to be adjusted；When measuring again next time, latch-release re-starts measurement.
The operation principle of the present invention is described in detail above in association with attached drawing, but those skilled in the art should realize
It arrives, specific implementation mode illustrates the present invention with being only for demonstration, and specification is only for interpreting the claims, of the invention
Protection domain is not limited to specification.Any one skilled in the art is in technical scope disclosed by the invention
Variation or replacement interior, can readily occur in, should be covered by the protection scope of the present invention.Therefore, protection of the invention
Range should be subject to the scope of protection of the claims.
Claims (9)
1. a kind of obliquity sensor, including compensating approach module, the compensating approach module to carry out temperature drift compensation with
And sensitivity compensation, realize to as temperature change and caused by measured deviation compensate and correct, it is characterised in that：The inclination angle
The temperature drift compensation of sensor determines by the following method：
A, obliquity sensor is positioned in a temperature adjustable space environment in the plane with certain angle of inclination；
B, obliquity sensor is opened, different ambient temperature values is set and the angular values of measurement at this temperature, chip is remembered therewith
It records and stores the angular values；
When c, carrying out practical measure, obliquity sensor compensates calculating according to compensation formula to the angular values actually measured,
Show that the angular values after compensation, the compensation formula are：yo=yt-(ytr-y20), wherein it is mended using 20 degrees Celsius as data
The temperature of zero is repaid,
yoAngle value after being compensated for temperature drift；
ytFor the angle measured value under Current Temperatures；
ytrFor the corresponding angle value being recorded in storage chip of Current Temperatures；
y20For 20 degrees Celsius of corresponding angle values being recorded in storage chip.
2. obliquity sensor according to claim 1, which is characterized in that the sensitivity compensation of the obliquity sensor passes through
Following methods determine：
A, obliquity sensor is positioned in a temperature adjustable space environment in the plane with certain angle of inclination；
B, obliquity sensor is opened, angular values at this temperature are measured under the different temperatures numerical value of setting, chip is remembered therewith
It records and stores the angular values；
C, when obliquity sensor carries out practical measure, the angle value under the above-mentioned different temperatures measured is converted into the sensitive number of degrees
Value, obliquity sensor compensate calculating according to compensation formula to the sensitivity number surveyed, and obtain the sensitive number of degrees after compensation
Value, the compensation formula are：Sensitivityo=Sensitivityt-(Sensitivitytr-Sensitivity20),
In, by 20 degrees Celsius of temperature as sensitivity compensation datum mark,
SensitivityoFor the sensitivity after sensitivity compensation；
SensitivitytFor sensitivity measured value under Current Temperatures；
SensitivitytrFor the Sensitirity va1ue that the corresponding angle value being recorded in storage chip is converted under Current Temperatures；
Sensitivity20The Sensitirity va1ue being converted into for 20 degrees Celsius of corresponding angle values being recorded in storage chip.
3. a kind of equipment measuring the rail upper and lower surface gradient, it is characterised in that：Panel and control volume, control volume are measured including one
It is interior to be equipped with controller, obliquity sensor, power supply, contact induction switch and ball switch, institute are also associated on the controller
It states contact induction switch to be set in the control dignity perpendicular with the measuring surface of measurement panel, for inductively measuring equipment and being tested
The contact condition of rail, the ball switch change with the direction for measuring panel measuring surface, automatically switch the flange of rail and rail top slope
The measuring state of degree；The obliquity sensor uses obliquity sensor as claimed in claim 1 or 2.
4. equipment according to claim 3, which is characterized in that the measurement panel is detachably connected with control volume.
5. equipment according to claim 3, which is characterized in that be additionally provided on the control volume be connected with controller it is aobvious
Display screen, for showing detection data information.
6. equipment according to claim 3, which is characterized in that the measuring surface for measuring panel is equipped with magnetic adsorption device,
It is absorbed and fixed at tested rail for panel will to be measured.
7. according to the equipment described in claim 3-6 any claims, which is characterized in that further include being connected with control volume
Handle, handle is interior to place the power supply, and handle tail is equipped with self-locking key switch.
8. equipment according to claim 7, which is characterized in that be also associated with buzzer on the controller.
9. equipment according to claim 7, which is characterized in that the inductive switch quantity at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810033839.3A CN108444442A (en) | 2015-11-08 | 2015-11-08 | A kind of obliquity sensor and the equipment for measuring the rail upper and lower surface gradient |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810033839.3A CN108444442A (en) | 2015-11-08 | 2015-11-08 | A kind of obliquity sensor and the equipment for measuring the rail upper and lower surface gradient |
| CN201510756614.7A CN105270440B (en) | 2015-11-08 | 2015-11-08 | A kind of equipment for measuring the rail upper and lower surface gradient |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510756614.7A Division CN105270440B (en) | 2015-11-08 | 2015-11-08 | A kind of equipment for measuring the rail upper and lower surface gradient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108444442A true CN108444442A (en) | 2018-08-24 |
Family
ID=55140475
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810033839.3A Pending CN108444442A (en) | 2015-11-08 | 2015-11-08 | A kind of obliquity sensor and the equipment for measuring the rail upper and lower surface gradient |
| CN201510756614.7A Expired - Fee Related CN105270440B (en) | 2015-11-08 | 2015-11-08 | A kind of equipment for measuring the rail upper and lower surface gradient |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510756614.7A Expired - Fee Related CN105270440B (en) | 2015-11-08 | 2015-11-08 | A kind of equipment for measuring the rail upper and lower surface gradient |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108444442A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487338A (en) * | 2017-08-02 | 2017-12-19 | 安徽骏达起重机械有限公司 | Traffic track automatic detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202281603U (en) * | 2011-11-01 | 2012-06-20 | 上海辉格科技发展有限公司 | Digitalized intelligent clinometer |
| CN202661064U (en) * | 2012-07-06 | 2013-01-09 | 上海辉格科技发展有限公司 | Digital universal serial bus (USB) inclinometer |
| CN203148430U (en) * | 2013-02-17 | 2013-08-21 | 上海辉格科技发展有限公司 | Wi-Fi (wireless-fidelity) wireless intelligent inclinometer |
| CN203148429U (en) * | 2013-01-31 | 2013-08-21 | 上海辉格科技发展有限公司 | Digital beam type tilt meter |
| CN203795258U (en) * | 2014-03-28 | 2014-08-27 | 北京市劳动保护科学研究所 | Steel rail cant measuring device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61126414A (en) * | 1984-11-24 | 1986-06-13 | Tokyo Optical Co Ltd | Tilt angle measuring instrument |
| CN102230806B (en) * | 2011-04-26 | 2012-11-28 | 中国科学院软件研究所 | Temperature drift compensation method for gyroscope |
| CN102607519B (en) * | 2012-03-14 | 2014-01-22 | 郑州铁路局科学技术研究所 | Steel rail base slope measuring instrument |
-
2015
- 2015-11-08 CN CN201810033839.3A patent/CN108444442A/en active Pending
- 2015-11-08 CN CN201510756614.7A patent/CN105270440B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202281603U (en) * | 2011-11-01 | 2012-06-20 | 上海辉格科技发展有限公司 | Digitalized intelligent clinometer |
| CN202661064U (en) * | 2012-07-06 | 2013-01-09 | 上海辉格科技发展有限公司 | Digital universal serial bus (USB) inclinometer |
| CN203148429U (en) * | 2013-01-31 | 2013-08-21 | 上海辉格科技发展有限公司 | Digital beam type tilt meter |
| CN203148430U (en) * | 2013-02-17 | 2013-08-21 | 上海辉格科技发展有限公司 | Wi-Fi (wireless-fidelity) wireless intelligent inclinometer |
| CN203795258U (en) * | 2014-03-28 | 2014-08-27 | 北京市劳动保护科学研究所 | Steel rail cant measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105270440A (en) | 2016-01-27 |
| CN105270440B (en) | 2018-06-22 |
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Application publication date: 20180824 |
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