CN206479299U - A kind of photo-electric deflection of bridge span instrument calibrating installation - Google Patents
A kind of photo-electric deflection of bridge span instrument calibrating installation Download PDFInfo
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- CN206479299U CN206479299U CN201620745322.3U CN201620745322U CN206479299U CN 206479299 U CN206479299 U CN 206479299U CN 201620745322 U CN201620745322 U CN 201620745322U CN 206479299 U CN206479299 U CN 206479299U
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Abstract
The utility model provides a kind of photo-electric deflection of bridge span instrument calibrating installation, including measurement host, and the measurement data based on setting reference data and flexometer to be calibrated calculates the calibration data of flexometer to be calibrated；Mobile module, is connected with the measurement host, handles the obtained control signal vertical level movement of reference data to allow flexometer to be calibrated to carry out deflection metrology based on the measurement host；Automatic leveling module, sets the mobile module and is connected with the measurement host thereon, is controlled to realize automatic leveling by the measurement host.The utility model can realize natural bow and the dynamic deflection calibration of photo-electric deflection of bridge span instrument.
Description
Technical field
The utility model belongs to Bridge Inspection field, specifically, more particularly to a kind of photo-electric deflection of bridge span instrument
Calibrating installation.
Background technology
With developing rapidly for China's economic, communications and transportation occurs in that heavy duty, high speed, the modern transportation structure of big flow hair
Exhibition trend, the ratio that highway transportation occupies in whole transportation system is increasing.Bridge is the throat of road, therefore, highway
Transport and higher requirement is proposed to the structural behaviour and use quality of existing highway bridge (i.e. old bridge) and newly building bridge.It is new to examine
The quality of bridge construction beam, it is ensured that service bridge structure using safety, the loading test and health monitoring at bridge scene are must can not
Few work.
Test on Bridge Loading is divided to two kinds of static test and dynamic test.Static test is observation bridge structure as needed
The physical quantitys such as counter-force, strain, displacement, corner, crack.Dynamic test is need to observe the natural dynamics behaviors of bridge and actually dynamic
The dynamic response of the lower each controlling position of bridge structure of load effect, including amplitude, frequency, damping, dynamic strain or dynamic deflection (punching
Hit coefficient) etc..Displacement observation in static test refers mainly to observe the amount of deflection of bridge.Impact coefficient in dynamic test is reflection
Overall target of the vehicular load to bridge structure dynamic effect.Defined according to impact coefficient (under dynamic deflection and corresponding load action
The ratio of natural bow be referred to as the impact coefficient of live load), can be calculated by the amount of deflection of actual measurement.
Deflection of bridge span is a very important parameter for bridge structure, and it directly reflects the vertical of bridge structure
Integral rigidity, is the important indicator of Bridge performance.The bearing capacity of deflection of bridge span and bridge and resist the dynamic loads such as earthquake
Ability have substantial connection.People's Republic of China (PRC) recommended industry standard JTG/T J21-2011《Highway bridge bearing capacity is examined
Test and appraisal set pattern journey》Index to amount of deflection in bearing capacity is clearly required, the weight that amount of deflection is evaluated as load carrying capacity of bridge
Want one of content.Therefore, deflection of bridge span detection business is a kind of indispensable detection project and basic energy in each testing agency
Power.
It is main at present that deflection observation is carried out using photo-electric deflection of bridge span instrument, applied to quality control on construction, old bridge quality
Assessment, special load experiment, bridge health monitoring etc..As photo-electric deflection of bridge span instrument is using increasingly extensive, expedite the emergence of a large amount of
Manufacturer, various deflection check-up devices arise at the historic moment.But, there is no suitable calibration cartridge to photo-electric deflection of bridge span instrument at present
Put, metrological service can not carry out real effective comprehensive metering to specialized instrument and equipment.
Utility model content
To solve problem above, the utility model provides a kind of photo-electric deflection of bridge span instrument calibrating installation, to realize
Natural bow and the dynamic deflection calibration of photo-electric deflection of bridge span instrument.
According to one embodiment of the present utility model there is provided a kind of photo-electric deflection of bridge span instrument calibrating installation, including：
Measurement host, the measurement data based on setting reference data and flexometer to be calibrated calculates the school of flexometer to be calibrated
Quasi- data；
Mobile module, is connected with the measurement host, and the control letter that reference data is obtained is handled based on the measurement host
Number vertical level movement is to allow flexometer to be calibrated to carry out deflection metrology；
Automatic leveling module, sets the mobile module and is connected with the measurement host, by the measurement host thereon
Control to realize automatic leveling.
According to one embodiment of the present utility model, the automatic leveling module includes：
Base；
Horizontal detector part, is arranged on the base, is connected with the measurement host, the water for detecting the base
The horizontality data of detection are simultaneously sent to the measurement host by level state；
Leveling support, is arranged at the bottom surface of the base, is connected with the measurement host, at the measurement host
The control signal movement that reason horizontality data are obtained, to cause the base to be in horizontality.
According to one embodiment of the present utility model, the automatic leveling module is provided with 3 be triangularly arranged, bands
There is the leveling support for the fine setting motor being connected with the measurement host.
According to one embodiment of the present utility model, the horizontal detector part includes three-axis gyroscope and horizontal sensor
Device.
According to one embodiment of the present utility model, the mobile module includes：
Leading screw, is vertically installed on the base by frame；
Slide unit, is fixed on the leading screw and follows the leading screw to vertically move；
Servomotor, is fixed in frame, and is connected with the measurement host, for driving the guide screw movement.
According to one embodiment of the present utility model, the mobile module also includes：
Two servomotors, are individually fixed in frame, and are connected respectively with the measurement host；
Two one-way rotation mechanisms, are respectively arranged at the two ends of leading screw and are fixed in frame, respectively with a servo electricity
Machine connects and controlled respectively by servomotor to cause leading screw to carry out single direction rotation.
According to one embodiment of the present utility model, the mobile module also includes the coding being fixed on the leading screw
Device, the amount of spin for obtaining leading screw.
According to one embodiment of the present utility model, the measurement host includes：
Memory, for Memory Reference data；
Master controller, based on reference data output motor drive signal, and based on reference data and flexometer to be calibrated
Measurement data calculates the calibration data of flexometer to be calibrated；
Motor driver, the motor drive signal exported according to master controller drives servomotor.
According to one embodiment of the present utility model, the measurement host also includes：
Display, is connected with the master controller；
Keyboard, is connected with the master controller, for editing input reference data.
According to one embodiment of the present utility model, the measurement host also includes：
Encoder interfaces, are connected with the master controller, the output data for receiving encoder；
Power supply, is connected with the master controller, for providing working power to the master controller；
Clock chip, is connected with the master controller, for providing clock signal to the master controller.
The beneficial effects of the utility model：
(1) the utility model proposes bridge dynamic deflection calibrating installation first, is the dynamic deflection school of photo-electric deflection of bridge span instrument
Standard provides technical support.
(2) base of photo-electric deflection of bridge span instrument calibrating installation described in the utility model is using three branch with fine setting motor
Seat combines three-axis gyroscope and carries out automatic leveling, eliminates the manual leveling link before calibration, improves operating efficiency.Using three
The judgement that axle gyroscope carries out base level condition improves accuracy, it is ensured that slide unit moving direction is perpendicular to horizontal plane, it is ensured that
Calibration result it is accurate, reduce the uncertainty of calibrator (-ter) unit.
(3) displacement that the utility model is moved using encoder to slide unit feeds back, compared to the scheme of grating scale,
The auxiliary equipment that its equipment is reduced required in installation process, has saved installation cost.
(4) the utility model can calibrate natural bow and dynamic deflection respectively, save prover time, improve calibration effect
Rate.
(5) the utility model is fed back using encoder, with servomotor formation closed-loop control, improves slide unit movement
The accuracy of position, it is ensured that calibration result it is accurate.
(6) the utility model proposes calibration method by the calibration of dynamic deflection from bridge scene move on in laboratory carry out,
The dependence to calibration environment is reduced, calibration cost is reduced, calibration speed is improved, calibration result Feasible degree is higher.
(7) the utility model disclosure satisfy that the calibration requirements and measurement unit of substantial amounts of photo-electric deflection of bridge span instrument production firm
The metering requirements of door, the need for disclosure satisfy that bridge foundation Facilities Construction, will produce substantial amounts of economic benefit.
(8) mobile module of photo-electric deflection of bridge span instrument calibrating installation described in the utility model is combined double single using bi-motor
To the structure of rotating mechanism, coordinate treated dynamic deflection curve, motor leading screw hardware limitations can be broken through, dynamic deflection is realized
Curve reappears.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages can pass through
Specifically noted structure is realized and obtained in specification, claims and accompanying drawing.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing wanted does simple introduction：
Fig. 1 is the photo-electric deflection of bridge span instrument calibrating installation structural representation according to one embodiment of the present utility model；
Fig. 2 is the measurement host structural representation according to one embodiment of the present utility model；
Fig. 3 is to use flow according to the photo-electric deflection of bridge span instrument calibrating installation of one embodiment of the present utility model.
Embodiment
Embodiment of the present utility model is described in detail below with reference to drawings and Examples, whereby to the utility model
How application technology means solve technical problem, and reach the implementation process of technique effect and can fully understand and implement according to this.
As long as it should be noted that not constituting each feature in each embodiment and each embodiment in conflict, the utility model
It can be combined with each other, the technical scheme formed is within protection domain of the present utility model.
According to《Highway bridge and culvert designs general specification》(JTG D60-2004)、《Highway reinforced concrete and prestressed concrete
Native bridges and culverts design specification》The requirement of (JTG D62-2004), the calibration of photo-electric deflection of bridge span instrument mainly includes natural bow indicating value
Calibration, the calibration of dynamic deflection indicating value etc..Prior art is as follows：
1) calibration of natural bow indicating value
Carried out using grating displacement measuring system, grating displacement measuring system is by lifting and translating leading screw, grating scale and step
Stepper motor is constituted.Stepper motor can drive displacement platform do level and lifting moving, mobile distance can be surveyed by grating scale
Amount.
In measurement, displacement platform is by uniform mobile 10 distances of measurement range, the displacement conduct exported using grating scale
Deflection criteria value, starts the actual measurement deflection value that photo-electric deflection of bridge span instrument measures each position.Take in 10 positions the error of indication most
Big value is used as the amount of deflection error of indication.
2) the temporary calibration method without dynamic deflection indicating value.
From above prior art, the defect that it is present is as follows：
1) movement that Bit andits control formation open cycle system has technological deficiency, i.e. controller output is carried out using stepper motor
Distance can not ensure consistent with the actual mobile distance of displacement platform.
2) grating scale is when moving range measurement, and the depth of parallelism to grating scale main scale and moving direction requires high,
Device is caused to be had difficulties during actual installation, the input for selecting and purchasing servicing unit is excessive, and holistic cost is too high.
3) prior art does not consider the level condition of photo-electric deflection of bridge span instrument calibrating installation, if photo-electric deflection of bridge span
The displacement platform moving direction of instrument calibrating installation is not perpendicular to ground, then error is larger, it is impossible to carry out calibration.
4) current technology means can only be calibrated to natural bow, and also dynamic deflection can not be calibrated.
Therefore, the utility model provides a kind of photo-electric deflection of bridge span instrument calibrating installation, including measurement host 1, movement
Module and automatic leveling module, as shown in Figure 1.Wherein, measurement number of the measurement host based on reference data Yu flexometer to be calibrated
According to the calibration data for calculating flexometer to be calibrated；Mobile module is connected with measurement host, and reference data is handled based on measurement host
Obtained control signal vertical level movement is to allow flexometer to be calibrated to carry out deflection metrology；Automatic leveling module, sets thereon
Mobile module is put, and is connected with measurement host, automatic leveling is realized by measurement host control.Mobile module and automatic leveling module
With thick line 5 (i.e. data wire) in the annexation such as Fig. 1 of measurement host Suo Shi.
In the utility model, by setting automatic leveling module, it ensure that the mobile module being arranged on is vertical
Mobile direction is perpendicular to ground, it is ensured that the degree of accuracy of flexometer measurement to be calibrated.Mobile module is vertically moved based on reference data
Dynamic, reference data herein is the displacement data of measurement module output, and mobile module is based on the displacement data along vertically
Move in face direction.The utility model proposes calibration method by the calibration of dynamic deflection from bridge scene move on in laboratory carry out,
The dependence to calibration environment is reduced, calibration cost is reduced, calibration speed is improved, calibration result Feasible degree is higher.This reality
With the metering requirements of the new calibration requirements and metrological service that can also meet substantial amounts of photo-electric deflection of bridge span instrument production firm,
The need for disclosure satisfy that bridge foundation Facilities Construction, substantial amounts of economic benefit will be produced.
Reference data built in measurement host includes the displacement information and dynamic deflection calibration needed for static deflection is calibrated
Required dynamic deflection curve, the information can be various forms of to guarantee covering by being increased and decreased by measurement host control
Photo-electric deflection of bridge span instrument natural bow value required when calibrating and dynamic deflection curve.Also, built-in displacement information is scratched with dynamic
Line of writing music need not be stored in by way of programming solidifies, but can be stored in direct copying.Therefore, the utility model can school
Quasi- natural bow and dynamic deflection, save prover time, improve calibration efficiency.
In one embodiment of the present utility model, the automatic leveling module includes base 7 and is arranged at base bottom surface
Leveling support and the horizontal detector part 8 that is arranged on base, as shown in Figure 1.Wherein, mobile module is fixed on base 7,
Leveling support is connected with measurement host respectively with horizontal detector part, the horizontality of horizontal detector part detection base and by water
Level state data output is based on horizontality data point reuse leveling support to cause base position in water to measurement host, measurement host
Level state, i.e., keep level with ground.
In one embodiment of the present utility model, balance detection device can use three-axis gyroscope or horizon sensor
Instead of, naturally it is also possible to other horizontal detector parts are used, the utility model is illustrated with three-axis gyroscope.It is new in this practicality
In one embodiment of type, base bottom surface is provided with three regulation bearings with fine setting motor, and is triangularly arranged, such as
Shown in 7-1,7-2,7-3 in Fig. 1.
In one embodiment of the present utility model, automatic leveling module be provided with 3 it is being triangularly arranged, with
The leveling support of the fine setting motor of measurement host connection.Base is entered using three bearing combination three-axis gyroscopes with fine setting motor
Row automatic leveling, one of bearing at the side midpoint of device pedestal, two other bearing in device pedestal opposite side two
End, the three-legged structure of formation, which is not only stablized, is also applied for automatic leveling algorithm.
Horizontal detector part, leveling support and base in the automatic leveling module, with reference to measurement module work.Three axle tops
Spiral shell instrument is arranged on plane on base, and (such as base is the casing of an inner hollow, then three-axis gyroscope can be arranged in base
Portion), the bearing with fine setting motor is arranged on base bottom surface and bearing is triangularly arranged.During work, three-axis gyroscope is read
Base level condition, and be output in measurement host, measurement host parses each axial deviation angle, and is calculated,
It is transformed to the amount of spin of 3 fine setting motors so that 3 bearing movements, adjustment base reaches level so that leading screw is perpendicular to level
Face, it is ensured that the moving direction of slide unit is perpendicular to horizontal plane.
In the utility model, base is adjusted automatically using three bearing combination three-axis gyroscopes with fine setting motor
It is flat, the manual leveling link before calibration is eliminated, operating efficiency is improved.Base level condition is carried out using three-axis gyroscope
Judgement improve accuracy, it is ensured that slide unit moving direction is perpendicular to horizontal plane, it is ensured that calibration result it is accurate, reduce calibration
The uncertainty of equipment.
In one embodiment of the present utility model, the mobile module includes the leading screw being arranged at by frame 31 on base
3rd, it is fixed on leading screw and the slide unit 2 of guide screw movement can be followed and be fixed in frame and is connected with measurement host, for driving
The servomotor of guide screw movement.Specifically, leading screw is driven perpendicular to the ground by servomotor and drives slide unit to move up and down,.This
The slide unit at place is used for replacing bridge, by observing the moving up and down come the amount of deflection of analogue measurement bridge of slide unit.
In one embodiment of the present utility model, the mobile module also includes two servomotors and two single direction rotations
Mechanism.Wherein, two servomotors are individually fixed in frame, and are connected respectively with measurement host；Two one-way rotation mechanisms
It is respectively arranged at the two ends of leading screw and is fixed in frame, is connected and is controlled respectively by servomotor with a servomotor respectively
To cause leading screw to carry out single direction rotation.So, Serve Motor Control leading screw vertical level is conducive to move, and both direction
Without interruption.Also, the structure of double one-way rotation mechanisms is combined using bi-motor, coordinates treated dynamic deflection curve, can be with
Motor leading screw hardware limitations are broken through, realize that dynamic deflection curve reappears.
Specifically, as shown in Fig. 2 servomotor 6 is responsible for slide unit ramps up, servomotor 9 is responsible for slide unit to decline, i.e., every
Individual servomotor single direction rotation.One-way rotation mechanism 11 and the associated working of one-way rotation mechanism 10 cause servomotor 6 and watched
The rotation taken between motor 9 is not interfere with each other, and its working forms is：When servomotor 6 is moved, one-way rotation mechanism 11 will be moved
It is delivered to from servomotor 6 on screw mandrel, so that drive slide unit to move up, and one-way rotation mechanism 10 then causes servomotor 9
Skid, not with guide screw movement；When servomotor 9 is moved, one-way rotation mechanism 10 will move from servomotor 9 and be delivered to screw mandrel
On, so that drive slide unit to move down, and one-way rotation mechanism 11 then make it that servomotor 6 skids, not with guide screw movement.
In one embodiment of the present utility model, the mobile module also includes the encoder 4 being fixed on leading screw, is used for
Measure the rotation data of leading screw.As shown in Fig. 2 measurement host drives Serve Motor Control slide unit on leading screw according to corresponding position
Shifting amount or curve movement, read the numerical value that encoder is returned, and servomotor formation closed-loop control, in real time by encoder interfaces
The amount of spin of servomotor is corrected, to ensure that the distance of slide unit movement is identical with the value that master controller is exported.Using closed-loop control
System so that the shift position of slide unit understands controllable.Screw mandrel is driven to rotate using servomotor, so that drive slide unit to move, and
Encoder is installed in the leading screw other end, the actual displacement amount of slide unit is collected by encoder, and feeds back to controller, it is right in real time
The rotation of servomotor is controlled, it is ensured that the displacement and controller of slide unit are exported keeps dynamic to the displacement of servomotor
Unanimously.The displacement of slide unit is monitored using encoder.Because encoder has very high precision, and install simple,
The economic input that device is installed in production process is smaller, and maintenance cost is low.Also, the utility model is moved using encoder to slide unit
Dynamic displacement is fed back, and compared to the scheme of grating scale, the auxiliary for reducing its equipment required in installation process is set
It is standby, save installation cost.The utility model is fed back using encoder, with servomotor formation closed-loop control, is improved
The accuracy of slide unit shift position, it is ensured that calibration result it is accurate.
In one embodiment of the present utility model, the measurement host includes memory, master controller and motor driver.
Wherein, memory is used for Memory Reference data；Master controller is based on reference data output motor drive signal, and based on base value
According to the calibration data that flexometer to be calibrated is calculated with the measurement data of flexometer to be calibrated；Motor driver is defeated according to master controller
The motor drive signal driving servomotor gone out.Specifically, as illustrated in fig. 1 and 2, wherein, 1-1 is controller, and 1-2 is button,
1-3 is display, and 1-4 is switch etc..Built-in reference data includes the displacement letter needed for static deflection is calibrated in memory
Breath and dynamic deflection curve, the information can be increased and decreased by memory, to guarantee the photo-electric bridge for covering different model
Flexometer natural bow value required when calibrating and dynamic deflection curve.Wherein dynamic deflection curve is that actual measurement dynamic deflection curve set passes through number
According to the curve extracted after processing, it is easy to photo-electric deflection of bridge span instrument calibrating installation to reappear.
Specifically, measurement host can be by dynamic deflection curve automatic classifying slide unit translational speed, traveling time and it is mobile away from
From information, servomotor velocity of rotation, rotation time and rotational angle information are reconverted into, to drive servomotor to rotate.Survey
Measure main frame drives Serve Motor Control slide unit on leading screw according to corresponding displacement or curve movement by motor driver, leads to
Cross encoder interfaces and read numerical value and the servomotor formation closed-loop control that encoder is returned, the in real time rotation of amendment servomotor
Amount, to ensure that the distance of slide unit movement is identical with the value that master controller is exported.The dynamic deflection curve of calibrating installation reproduction herein
It is to survey the curve that dynamic deflection curve is extracted after data processing, to meet the operation demand of servomotor.
In one embodiment of the present utility model, the measurement host also includes the display and key being connected with master controller
Disk, wherein, keyboard can be used for carrying out function selection, it can also be used to editor's input natural bow displacement and dynamic deflection curve.Display
Device can display function selection interface, the value and image of real-time display output natural bow displacement or dynamic deflection curve, show and quiet scratch
Spend editing process of displacement and dynamic deflection curve etc..
In one embodiment of the present utility model, the measurement host also includes encoder interfaces, power supply and clock chip.
Wherein, encoder interfaces are connected with master controller, the output data for receiving encoder；Power supply is connected with master controller, is used
In to the master controller provide working power；Clock chip is connected with master controller, for providing clock letter to master controller
Number.
Calibrating installation measurement general principle step of the present utility model includes：Vertically moved based on reference data for simulating
The mobile module of bridge, while flexometer to be calibrated carries out deflection metrology to mobile module；Scratched based on reference data with to be calibrated
The measurement data for spending instrument calculates the calibration data of flexometer to be calibrated, and calibration data described in foundation is carried out to flexometer to be calibrated
Calibration, wherein, reference data includes：For carrying out the displacement signal of natural bow calibration and for carrying out the dynamic of dynamic deflection calibration
Sag curve.The implementation process of photo-electric deflection of bridge span instrument calibration is carried out as shown in figure 3, specifically including following using apparatus above
Step：
(1) photo-electric deflection of bridge span instrument camera lens is just identified to the slide unit of calibrating installation.
(2) start calibrating installation, automatic leveling is carried out after its startup self-detection so that slide unit position zero (is set to leading screw
Point midway).
(3) natural bow, dynamic deflection calibration selection are carried out.
(4) model selection is carried out, model selection is divided into inbuilt displacement amount (or built-in dynamic deflection curve) and is manually entered position
Shifting amount (or being manually entered dynamic deflection curve).
(5) start photo-electric deflection of bridge span instrument, start deflection metrology.
(6) calibrating installation slide unit starts movement, photo-electric deflection of bridge span instrument according to the displacement or dynamic deflection curve of selection
The situation of movement of slide unit is measured in real time.Slide unit stops after movement, stops the deflection metrology of photo-electric deflection of bridge span instrument.
(7) choose whether to continue to measure, repeat above-mentioned (3)~(6) if continuing to measure, choose whether to return if not continuing
Reverse natural bow calibration, if return if repeat above-mentioned (4)~(6), measurement is directly exited if not returning.
(8) slide unit position is zeroed when exiting measurement.
(9) photo-electric deflection of bridge span instrument is closed.
The calibration data of photo-electric deflection of bridge span instrument to be measured can be obtained by above step (1)-(9), and based on the school
Quasi- data are treated light-metering electric-type deflection of bridge span instrument and calibrated.
Although embodiment disclosed in the utility model is as above, described content is only to facilitate understand this practicality
It is new and use embodiment, be not limited to the utility model.Skill in any the utility model art
Art personnel, on the premise of spirit and scope disclosed in the utility model are not departed from, can implementation formal and details
On make any modification and change, but scope of patent protection of the present utility model, must still be defined with appended claims
Scope be defined.
Claims (11)
1. a kind of photo-electric deflection of bridge span instrument calibrating installation, including：
Measurement host；
Mobile module, is connected with the measurement host, realizes vertical level movement so as to treat school by measurement host control
Quasi- flexometer carries out deflection metrology；
Automatic leveling module, sets the mobile module and is connected with the measurement host, controlled by the measurement host thereon
To realize automatic leveling.
2. device according to claim 1, it is characterised in that the automatic leveling module includes：
Base；
Horizontal detector part, is arranged on the base, is connected with the measurement host；
Leveling support, is arranged at the bottom surface of the base, is connected with the measurement host.
3. device according to claim 2, it is characterised in that the automatic leveling module is provided with 3 cloth triangular in shape
The leveling support putting, with the fine setting motor being connected with the measurement host.
4. device according to claim 2, it is characterised in that the horizontal detector part includes three-axis gyroscope and level
Sensor.
5. the device according to any one of claim 2-4, it is characterised in that the mobile module includes：
Leading screw, is vertically installed on the base by frame；
Slide unit, is fixed on the leading screw and follows the leading screw to vertically move；
Servomotor, is fixed in frame, and is connected with the measurement host, for driving the guide screw movement.
6. device according to claim 5, it is characterised in that the mobile module also includes：
Two servomotors, are individually fixed in frame, and are connected respectively with the measurement host；
Two one-way rotation mechanisms, are respectively arranged at the two ends of leading screw and are fixed in frame, connect respectively with a servomotor
Connect and controlled respectively by servomotor to cause leading screw to carry out single direction rotation.
7. device according to claim 5, it is characterised in that the mobile module also includes being fixed on the leading screw
Encoder.
8. device according to claim 6, it is characterised in that the mobile module also includes being fixed on the leading screw
Encoder.
9. the device according to claim 7 or 8, it is characterised in that the measurement host includes：
Memory；
Master controller, is connected with the memory；
Motor driver, is connected with the master controller.
10. device according to claim 9, it is characterised in that the measurement host also includes：
Display, is connected with the master controller；
Keyboard, is connected with the master controller.
11. device according to claim 9, it is characterised in that the measurement host also includes：
Encoder interfaces, are connected with the master controller；
Power supply, is connected with the master controller；
Clock chip, is connected with the master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620745322.3U CN206479299U (en) | 2016-07-14 | 2016-07-14 | A kind of photo-electric deflection of bridge span instrument calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620745322.3U CN206479299U (en) | 2016-07-14 | 2016-07-14 | A kind of photo-electric deflection of bridge span instrument calibrating installation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153277A (en) * | 2016-07-14 | 2016-11-23 | 交通运输部公路科学研究所 | A kind of photo-electric deflection of bridge span instrument calibrating installation and method |
| CN108458846A (en) * | 2018-04-08 | 2018-08-28 | 李国栋 | A kind of computational methods, the device and system of girder structure amount of deflection |
| CN115793516A (en) * | 2022-11-02 | 2023-03-14 | 安徽源信技术有限公司 | Control system and method for intelligent bridge movement detection |
-
2016
- 2016-07-14 CN CN201620745322.3U patent/CN206479299U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153277A (en) * | 2016-07-14 | 2016-11-23 | 交通运输部公路科学研究所 | A kind of photo-electric deflection of bridge span instrument calibrating installation and method |
| CN108458846A (en) * | 2018-04-08 | 2018-08-28 | 李国栋 | A kind of computational methods, the device and system of girder structure amount of deflection |
| CN115793516A (en) * | 2022-11-02 | 2023-03-14 | 安徽源信技术有限公司 | Control system and method for intelligent bridge movement detection |
| CN115793516B (en) * | 2022-11-02 | 2023-09-15 | 安徽源信技术有限公司 | Control system and method for intelligent bridge movement detection |
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