CN202869406U - Distributed measuring device of tension wire type horizontal displacement meter - Google Patents
Distributed measuring device of tension wire type horizontal displacement meter Download PDFInfo
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- CN202869406U CN202869406U CN2012203715394U CN201220371539U CN202869406U CN 202869406 U CN202869406 U CN 202869406U CN 2012203715394 U CN2012203715394 U CN 2012203715394U CN 201220371539 U CN201220371539 U CN 201220371539U CN 202869406 U CN202869406 U CN 202869406U
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- 230000036316 preload Effects 0.000 claims abstract description 23
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Abstract
The utility model discloses a distributed measuring device of a tension wire type horizontal displacement meter. The distributed measuring device comprises a preload mechanism, a loading mechanism, a displacement sensor, and a measurement and control mechanism. The loading mechanism includes loading drive motors used for driving loading or unloading of weights of tension wires, a loading state sensor, and an unloading state sensor. The measurement and control mechanism is designed to have a modularized structure, and includes a power supply module and a measurement and control module. Each loading drive motor corresponds to one tension wire. According to the measuring device provided by the utility model, the DC deceleration motors with a low voltage and a high deceleration ratio are adopted to drive loading or unloading of the weights, a modularized and distributed measurement design idea is employed to enable a measurement and control portion of the measuring device to be simplified to be the measurement and control module, so that on-site or remote measurement and control can be realized through cooperation of a general DC power source. Therefore, the distributed measuring device is simplified in terms of structure, allows equipment to be configured flexibly and installed conveniently, and enables equipment costs and maintenance costs to be lowered.
Description
Technical field
The utility model relates to a kind of robotization and draws bracing cable formula horizontal displacement meter measurement mechanism, relates in particular to a kind of bracing cable formula horizontal displacement meter distributed measurement device that draws.
Background technology
The prototype measurement of earth and rockfill dam is the important means that control rock fill dam construction progress and quality, assurance dam safety move.Wherein the inner horizontal displacement observation of earth and rockfill dam to the progress of filling of control dam, assessment dam to fill quality important.The general observation instrument equipment that adopts of earth and rockfill dam inner horizontal displacement has: draw bracing cable formula horizontal displacement meter, land movement meter etc.Wherein, draw bracing cable formula horizontal displacement meter simple structure, measure simple and clearly, long-term measured value is more reliable, is extensively adopted by earth and rockfill dam both domestic and external.Along with the development of science and technology, as the instrument of Internal Monitoring Observation for Earth Dams, draw bracing cable formula horizontal displacement meter and realized having introduced observing and controlling mechanism mechanical tension wire horizontal displacement gauge being carried out observing and controlling from manually observing the transformation of electrical measurement and automatic observation.Along with drawing bracing cable formula horizontal displacement meter applying in large-scale earth-rock works, robotization to observing and controlling mechanism requires more and more higher, to the flexible arrangement of observing and controlling mechanism and require byer force with the compatibility of other scopes, construction cost and the maintenance cost of observing and controlling mechanism are paid attention to more.
The observing and controlling mechanism that bracing cable formula horizontal displacement meter is drawn in the market existing robotization mainly contains two kinds in counterweight drive pattern observing and controlling mechanism and counterweight centralized driving pattern observing and controlling mechanism, the structure of their electrical measurement part and drive part is all very complicated, equipment cost and maintenance cost are higher, and the networking configuration is dumb.
The global design of counterweight drive pattern observing and controlling mechanism becomes an independent special-purpose observing and controlling mechanism, and the counterweight that adopts each bar to draw bracing cable loads, unloading drive pattern, and namely adaptive one an of drive motor draws bracing cable, and centralized Design Mode is partly adopted in its electrical measurement.This counterweight drive pattern observing and controlling mechanism does not adopt the modular design structure, only the Wiring port of main observing and controlling partial circuit, power of alterating and direct current, instrument, various manually-operated button, pilot lamp, display panel etc. all are integrated in the cupboard, holistic cost is higher.In case this has just caused certain part of observing and controlling mechanism to break down, need to keep in repair observing and controlling mechanism at the scene, otherwise whole observing and controlling mechanism return-to-factory need to be repaired, caused the inconvenience of safeguarding, maintenance cost is high.On the other hand, along with the increase to the attention degree of dam safety, monitoring project is more and more, and the monitoring instrument kind is more and more, the automatic monitoring demand of multiple monitoring instrument just occurred can occurring in same monitoring point.If or adopt independently monitoring device is used in the monitoring of a certain quasi-instrument, certainly will a plurality of monitoring devices need to be installed in same monitoring point, can cause like this space requirement of erecting equipment large.
Counterweight centralized driving pattern observing and controlling mechanism can carry out simultaneously many counterweights that draw bracing cable and load, unloads, namely a drive motor can draw bracing cable by adaptive several, integral body has adopted the modular design structure, what but drive part drove is the 220V alternating current generator of relatively high power, energy consumption high (greater than 500W), thereby can not without civil power the time, carry out surveying work; And for realizing normal observing and controlling, except needs electrical measurement part, drive part, also need outside relay-set, this observing and controlling mechanism structure is complicated, maintenance difficulties is large, and cost is high, and can affect the measurement of a plurality of instruments in case a loading drive motor breaks down.
The utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of bracing cable formula horizontal displacement meter distributed measurement device that draws, use low pressure, the DC speed-reducing of high reduction gear ratio drives the loading of counterweight, unloading, adopt modularization and distributed measurement design philosophy, the observing and controlling of measurement mechanism partly is reduced to a control module, be equipped with general direct supply and can carry out scene or remote measurement and control, realized structural simplification, make other relevant measure the items in this measurement mechanism and the dam safety monitoring measurement mechanism can mixed preparing at same DAU(data acquisition unit) in, the equipment flexible configuration, easy for installation, and reduced equipment cost and maintenance cost.
Technical scheme: for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Draw bracing cable formula horizontal displacement meter distributed measurement device, comprise preload mechanism, adding mechanism, displacement transducer and observing and controlling mechanism, described adding mechanism is included as the counterweight load or unload of drawing bracing cable provides the loading drive motor of driving, loading state sensor and unloading condition sensor; Described observing and controlling mechanism adopts the modular design structure, comprises power module and control module; Corresponding one of described each loading drive motor draws bracing cable.
This programme is with respect to the measurement mechanism of existing employing counterweight drive pattern observing and controlling mechanism, mechanism has adopted modular design to observing and controlling, can be with counterweight loading and Unloading Control, motor-driven, electric motor protecting, status surveillance, displacement measurement, regularly, the function such as data storage, telecommunication, supply voltage monitoring and power protection, charge in batteries management all is integrated in the control module; Simultaneously, each control module can realize several are drawn control and the measurement of bracing cable, can prepare flexibly according to demand the quantity of control module.For the bracing cable of drawing that is distributed in diverse location, control module can be configured in the dam safety monitoring among other relevant DAU of measure the item, realize mixed configuration, realize distributed measurement.Can design employing standard communication interface (such as the RS485 communication interface) to observing and controlling mechanism, realize the remote measurement and control of measurement mechanism; By standard communication interface, use the PDA that the Dam Monitoring Data acquisition software is installed can realize the functions such as manually-operated, data, the on-the-spot demonstration of state, the interim collection of data, greatly simplified the hardware complexity of measurement mechanism.Observing and controlling mechanism can adopt the low-voltage DC source interface, the supply modules such as all right flexible configuration external communication/direct supply or sun power.Take these measures, realized simplification, modularization and the distributed measurement of measurement mechanism, equipment flexible configuration, easy for installation has greatly reduced requisite space, and has reduced equipment cost and maintenance cost.
This case is with respect to the measurement mechanism of existing counterweight centralized driving pattern observing and controlling mechanism, because corresponding one of each loading drive motor draws bracing cable, power requirement to the loading drive motor is low, can adopt the loading, the discharging method that drive counterweight based on the DC speed-reducing of low pressure, high reduction gear ratio, because each motor is responsible for driving one and is drawn bracing cable, driving power little (less than 12W), only need low power direct supply to drive, only affect a measurement of drawing bracing cable if certain motor breaks down.Simultaneously, only need measurement that an observing and controlling mechanism just can realize in order that several draw bracing cable formula horizontal displacement meter and loading, the unloading of counterweight to drive, this not only greatly reduces energy consumption, and hardware is simplified greatly, reduced cost, when the part of module fault, only need to replace with other similar normal modules and simple parameter restorable system is set and measure, be convenient to safeguard, use a plurality of observing and controlling mechanism can realize easily the observing and controlling of drawing bracing cable formula horizontal displacement meter more.
Preferably, described adding mechanism also comprises loading driving wheel, loading steel wire, loading counterweight, loading state sensor and unloading condition sensor, the loading driving wheel is installed on the output shaft of loading drive motor, the loading steel wire winding is on the loading driving wheel, and an end and loading driving wheel are fixed, and the other end and loading counterweight are fixed; The output terminal access observing and controlling mechanism of described loading state sensor and unloading condition sensor, whether the loading state sensor is carried on the pre-load counterweight fully to the loading counterweight is detected, and whether complete discharge goes out pre-load counterweight to the unloading condition sensor detects to the loading counterweight.
Preferably, described loading drive motor adopts the DC speed-reducing of low pressure, high reduction gear ratio; This is because this case is low to the power requirement of loading drive motor, and (the voltage 12VDC, power consumption is less than 12W, reduction gear ratio is greater than 3000:1) low in energy consumption of the DC speed-reducing of low pressure, high reduction gear ratio; Certainly the loading drive motor also can adopt the supporting structure of common DC motor and reducing gear to replace, and general low pressure small power energy-saving drive unit all can.
Preferably, the power supply access port of described power module comprises mains supply access port, sun-generated electric power access port, wind energy power supply access port and battery feed access port; This is that other need the equipment of power supply support also all to belong to the light current requirement, thereby this case also can provide electric energy by modes such as sun power, wind energy, accumulators except adopting the mains supply access way because this case is low to the power consumption requirement of motor; Adopt simultaneously multiple power supply mode, can be when mains supply to cut off the power supply suddenly, the power supply of other modes can guarantee the continuity of measurement data.
Preferably, described control module comprises that counterweight loads and monitoring submodule, motor-driven and the protection submodule of unloading, displacement measurement submodule, timing submodule, data sub module stored, RS485 remote communication interface, power supply monitoring and protection submodule.
Preferably, described draw bracing cable be one, two, three, four or more than; If it is too much to draw the quantity of bracing cable, can configure many observing and controlling mechanisms.
Preferably, described observing and controlling mechanism comprises standard communication interface; Like this observing and controlling mechanism just can with the measurement module mixed configuration of other relevant measure the items in the dam safety monitoring in same DAU, realize distributed measurement; And it not only can carry out observing and controlling work with long-range PC communication, and can with the portable apparatus interface, carry out at the scene Installation and Debugging or carry out observing and controlling work when safeguarding.
Preferably, this measurement mechanism also comprises installation bracket, vernier caliper, described preload mechanism also comprises indium steel wire, indium steel wire deflecting roller, indium steel wire rolling wheel, load rolling wheel, hanging wheel, and described adding mechanism also comprises loading driving wheel, loading steel wire, loading counterweight, loading state sensor and unloading condition sensor; The indium steel wire of Measurement of Dam displacement is introduced by dam body and through indium steel wire reverse wheel the indium steel wire is transferred to vertically upward, then twists on the indium steel wire rolling wheel, and indium steel wire rolling wheel is coaxial with the load rolling wheel; Load steel wire level on the load rolling wheel is drawn, and transfers to vertically downward through behind the hanging wheel, and hangs pre-load counterweight in the lower end, as preload; Loading steel wire lower end on the loading driving wheel hangs a loading counterweight, is positioned at the top of loading counterweight, and the loading driving wheel is installed on the output shaft of loading drive motor; Displacement transducer is installed in indium steel wire coil wheel side, links to each other with indium steel wire rolling wheel by reducing gear; Fix in order to vernier caliper and the installation bracket position of checking; Loading drive motor, displacement transducer, loading state sensor and unloading condition sensor circuit are connected on the control module.
Beneficial effect: the utility model provides draws bracing cable formula horizontal displacement meter distributed measurement device, adopt the DC speed-reducing of low pressure, high reduction gear ratio to carry out the driving of loading counterweight, not only saved the driving reducing gear, reduced cost, also greatly reduced the volume of the driving mechanism of device, and realized the equipment low energy consumption, guaranteed in without the civil power situation, utilize easily sun-generated electric power, wind energy power supply or accumulator to carry out continuous coverage work, kept the continuity of measurement data; Simultaneously observing and controlling mechanism is divided into control module and power module, and configurable portable apparatus is used for on-the-spot display operation, not only make the more succinct of each module, be convenient to debugging and maintenance, and display operation module and power module are sharing module, reduced system cost, the more important thing is the observing and controlling with key, the functions such as communication are integrated in the module, realized that system configuration is convenient flexibly, can arrive in the same measuring unit (DAU) with other measuring equipment mixed configuration of measuring the type project, reduced the entire system space, the cost demand has realized the thorough fusion with whole dam safety monitoring equipment.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of loading drive motor.
Fig. 3 is the basic structure schematic diagram of observing and controlling mechanism;
Fig. 4 is the physical circuit module frame chart of observing and controlling mechanism.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Be illustrated in figure 1 as a kind of structural representation that draws bracing cable formula horizontal displacement meter distributed measurement device, comprise that specifically indium steel wire 1-1, indium steel wire reverse wheel 1-16, vernier caliper 1-2, indium steel wire rolling wheel 1-3, load rolling wheel 1-6, displacement transducer 1-5, load steel wire 1-4, pre-load counterweight 1-8, hanging wheel 1-7, loading driving wheel 1-14, loading steel wire 1-11, loading counterweight 1-9, loading drive motor 1-13, loading state sensor 1-12, unloading condition sensor 1-10, the 1-15 of observing and controlling mechanism and the parts such as installation bracket 1-17, wire 1-18 form.
The indium steel wire 1-1 of Measurement of Dam displacement is introduced by dam body and through indium steel wire reverse wheel 1-16 indium steel wire 1-1 is transferred to vertically upward, then twists on the indium steel wire rolling wheel 1-3, and indium steel wire rolling wheel 1-3 is coaxial with load rolling wheel 1-6; Load steel wire 1-4 level on the load rolling wheel 1-6 is drawn, through hanging pre-load counterweight 1-8 in the lower end behind the hanging wheel 1-7, as preload; Loading steel wire 1-11 is wrapped on the loading driving wheel 1-14, and an end and loading driving wheel 1-14 fix, and the other end hangs loading counterweight 1-9, and load steel wire 1-4 and loading steel wire 1-11 are approximate coaxial; Loading counterweight 1-9 is by loading drive motor 1-13 control, and pre-load counterweight 1-8 moves up and down with the tension and relaxation degree of indium steel wire 1-1; Displacement transducer 1-5 is installed in indium steel wire rolling wheel 1-3 side, links to each other with indium steel wire rolling wheel 1-3 by reducing gear; Vernier calliper 1-2 and installation bracket 1-17 position are fixed, and are used for the reading reliability of checking measurements device.
When the Measurement of Dam horizontal shift, the 1-15 of observing and controlling mechanism opens the power supply of measuring system automatically, loading drive motor 1-13 starts, loading counterweight 1-9 is by moving downward with the coaxial loading steel wire 1-11 of pre-load counterweight 1-8, when loading counterweight 1-9 with after preload counterweight 1-8 contacts, when confirming to be loaded into fully on the pre-load counterweight 1-8 by loading state sensor 1-12, system stops the loading action, and system enters equilibrium state (length of equilibration time is determined according to field adjustable); When equilibration time finishes, the 1-15 of observing and controlling mechanism automatic data collection (dam displacement amount); After data acquisition is finished, unlatching off-load action, system is by loading drive motor 1-13 backward rotation loading driving wheel 1-14, loading counterweight 1-9 is upwards promoted, after control system is confirmed loading counterweight 1-9 and pre-load counterweight 1-8 is separated fully by unloading condition sensor 1-10, system stops the off-load action, and measuring process finishes.
The loading driving mechanism of this measurement mechanism is made of loading driving wheel 1-14 and loading drive motor 1-13.Wherein, loading drive motor 1-13 adopts DC speed-reducing, consists of (as shown in Figure 2) by DC micromotor 2-1, train of reduction gears 2-2 and driving shaft 2-3.DC speed-reducing voltage low (less than or equal to 12VDC), (less than 12W) low in energy consumption, reduction gear ratio large (greater than 3000:1), it carries out the driving of loading counterweight, has not only saved the driving reducing gear, reduced cost, also greatly reduced the volume of the driving mechanism of device, and realized the equipment low energy consumption, guaranteed in without the civil power situation, utilize easily electric power storage battery or sun power to carry out continuous coverage work, kept the continuity of measurement data.The control of the tested control mechanism 1-15 of drive motor 1-13 is rotated in the forward or reverse rotation, and then drives loading driving wheel 1-14 forward or reverse, realizes the load or unload of loading counterweight 1-9.
The 1-15 of observing and controlling mechanism of this measurement mechanism mainly is comprised of control module 3-1, power module 3-2, connecting terminal block 3-3 and guard box 3-4 as shown in Figure 3.Control module 3-1 is connected with external displacement sensor 1-5, loading state sensor 1-12, unloading condition sensor 1-10, loading drive motor 1-13 by connecting terminal block 3-3, power module 3-2 is connected with the externally fed power supply by connecting terminal block 3-3, and such design is very convenient when dismounting; Power module 3-2 directly is connected with control module 3-1, and power supply is reliable.Power module 3-2 provides the 12VDC power supply for control module 3-1, and this power module 3-2 is the multiple power source module, can adopt common AC/DC power supply, also can be sun power, wind energy power supply or accumulator, has realized the extensive adaptability configuration of power supply.Control module 3-1 can carry out four observing and controlling of drawing bracing cable formula horizontal displacement meter, and according to in-situ horizontal displacement meter number situation, each 1-15 of observing and controlling mechanism can configure 1～3 control module 3-1, and maximum can realize the observing and controlling of 12 horizontal displacement meters; If need to realize the observing and controlling of more multilevel displacement meter, only need to install a plurality of observing and controlling 1-15 of mechanism and get final product; In addition, in the 1-15 of this observing and controlling mechanism, can also configure the measurement module of other types sensor.So not only the flexible configuration module number can be realized, mixed configuration can also be realized, reduce project cost.The execute-in-place display part of the 1-15 of this observing and controlling mechanism can be realized by external portable execute-in-place instrument, when needed, the portable field operation instrument is connected on the communication port of the 1-15 of this observing and controlling mechanism and just can carries out field adjustable or observing and controlling work, both simplified measurement and control unit, improve maintenance efficiency, reduced again cost.
The physical circuit modular structure of the 1-15 of observing and controlling mechanism as shown in Figure 4.Circuit by lightning protection interface 4-1, power protection and management circuit 4-2, power circuit 4-3, timing circuit 4-4, microcontroller 4-5, data storage management circuit 4-6, motor-drive circuit 4-7, add unloaded state observation circuit 4-8, potentiometer metering circuit 4-9 and communicating circuit 4-10 etc. and form.Lightning protection interface 4-1 comprises motor-driven interface, feedback of status interface, the displacement transducer interface of power interface, communication interface and each observing and controlling passage, all wires to access control module 3-1 carry out surge protection, prevent that thunder and lightning is to the damage of inside modules device, reduce trouble; Power protection and management circuit 4-2 realize anti-reverse protection, overvoltage protection, the overcurrent protection of input power, carry out outside reserve battery Charge Management, carry out supply voltage monitoring, when power initiation, must after surpassing certain value, voltage just begin to power to inside modules, when when module works, power supply occurs undesired and voltage is carried out related data preservation work and deenergization when being lower than certain value immediately, reaches the protection power source purpose; Power circuit 4-3 provides power supply for whole inside modules device; Timing circuit 4-4 realizes that for module provides precise time regularly start by set date is measured automatically accurately; Data storage management circuit 4-6 realizes large cubic content measurement data storage and management, can preserve measurement data up to ten thousand times, when the remote data acquisition link failure occurs, can preserve the Timing measurement data of long-time section, guarantees uninterrupted measurement; Motor-drive circuit 4-7 accepts the control signal of microcontroller, and the sense of rotation of control drive motor also provides drive current, realizes loading, the unloading of loading counterweight; Add unloaded state observation circuit 4-8 the signal of the loading state sensor 1-12 on the measure and control device, unloading condition sensor 1-10 is carried out giving microprocessor after the filtering conditioning, by the location status of microprocessor judges loading counterweight; Potentiometer metering circuit 4-9 carries out the feedback voltage signal of displacement transducer to give high precision 24 A/D after the filtering conditioning, gives microprocessor by A/D after with the voltage signal digitizing, and is calculated accordingly by microprocessor, realizes displacement measurement; Communicating circuit 4-10 carries out the mutual conversion of serial signal and the RS485 bus signals of microprocessor communication port, realizes the liaison of module and remote data acquisition terminal, realizes the remote measurement and control operation; On the other hand, by the corresponding interface of this communicating circuit, hand-held execute-in-place instrument be can connect, field adjustable or the observing and controlling of measure and control device carried out.
The above only is preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. draw bracing cable formula horizontal displacement meter distributed measurement device, comprise preload mechanism, adding mechanism, displacement transducer and observing and controlling mechanism; Described adding mechanism is included as the counterweight load or unload of drawing bracing cable provides the loading drive motor of driving, loading state sensor and unloading condition sensor; It is characterized in that: described observing and controlling mechanism adopts the modular design structure, comprises power module and control module; Corresponding one of described each loading drive motor draws bracing cable.
2. the bracing cable formula horizontal displacement meter distributed measurement device that draws according to claim 1, it is characterized in that: the output terminal access control module of described loading state sensor and unloading condition sensor, whether the loading state sensor is carried on the pre-load counterweight fully to the loading counterweight is detected, and whether complete discharge goes out pre-load counterweight to the unloading condition sensor detects to the loading counterweight.
3. the bracing cable formula horizontal displacement meter distributed measurement device that draws according to claim 1 is characterized in that: the DC speed-reducing of described loading drive motor employing low pressure, high reduction gear ratio.
4. the bracing cable formula horizontal displacement meter distributed measurement device that draws according to claim 1 is characterized in that: the control module of described observing and controlling mechanism comprises that counterweight loads and monitoring submodule, motor-driven and the protection submodule of unloading, displacement measurement submodule, timing submodule, data sub module stored, RS485 remote communication interface, power supply monitoring and protection submodule.
5. the bracing cable formula horizontal displacement meter distributed measurement device that draws according to claim 1 is characterized in that: the bracing cable of drawing that described observing and controlling mechanism can observing and controlling is four.
6. the bracing cable formula horizontal displacement meter distributed measurement device that draws according to claim 1 is characterized in that: described observing and controlling mechanism comprises standard communication interface.
7. the bracing cable formula horizontal displacement meter distributed measurement device that draws according to claim 1, it is characterized in that: the power supply access port of described power module comprises mains supply access port, sun-generated electric power access port, wind energy power supply access port and battery feed access port.
8. the bracing cable formula horizontal displacement meter distributed measurement device that draws according to claim 1, it is characterized in that: this measurement mechanism also comprises installation bracket, vernier caliper, and described preload mechanism comprises load steel wire, pre-load counterweight, indium steel wire, indium steel wire deflecting roller, indium steel wire rolling wheel, load rolling wheel, hanging wheel; The indium steel wire of Measurement of Dam displacement is introduced by dam body and through indium steel wire reverse wheel the indium steel wire is transferred to vertically upward, then twists on the indium steel wire rolling wheel, and indium steel wire rolling wheel is coaxial with the load rolling wheel; Load steel wire level on the load rolling wheel is drawn, and transfers to vertically downward through behind the hanging wheel, and hangs pre-load counterweight in the lower end, as preload; Described adding mechanism also comprises loading driving wheel, loading steel wire, loading counterweight, and the loading driving wheel is installed on the output shaft of loading drive motor, and the loading steel wire winding is on the loading driving wheel, and the lower end hangs a loading counterweight, is positioned at the top of pre-load counterweight; Displacement transducer is installed in indium steel wire coil wheel side, links to each other with indium steel wire rolling wheel by reducing gear; Fix in order to vernier caliper and the installation bracket position of checking; Loading drive motor, displacement transducer, loading state sensor and unloading condition sensor circuit are connected on the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203715394U CN202869406U (en) | 2012-07-30 | 2012-07-30 | Distributed measuring device of tension wire type horizontal displacement meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203715394U CN202869406U (en) | 2012-07-30 | 2012-07-30 | Distributed measuring device of tension wire type horizontal displacement meter |
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| CN202869406U true CN202869406U (en) | 2013-04-10 |
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| CN2012203715394U Expired - Lifetime CN202869406U (en) | 2012-07-30 | 2012-07-30 | Distributed measuring device of tension wire type horizontal displacement meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643408A (en) * | 2016-11-25 | 2017-05-10 | 中冶建筑研究总院有限公司 | Horizontal displacement measuring device |
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2012
- 2012-07-30 CN CN2012203715394U patent/CN202869406U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643408A (en) * | 2016-11-25 | 2017-05-10 | 中冶建筑研究总院有限公司 | Horizontal displacement measuring device |
| CN106643408B (en) * | 2016-11-25 | 2019-10-22 | 中冶建筑研究总院有限公司 | A kind of horizontal displacement measuring device |
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Effective date of registration: 20171128 Address after: Nan Shui Road Gulou District of Nanjing city of Jiangsu Province, No. 8 210003 Co-patentee after: NARI TECHNOLOGY Co.,Ltd. Patentee after: STATE GRID ELECTRIC POWER Research Institute Co-patentee after: State Grid Corporation of China Address before: Nan Shui Road Gulou District of Nanjing city of Jiangsu Province, No. 8 210003 Co-patentee before: NANJING NARI Group Corp. Patentee before: STATE GRID ELECTRIC POWER Research Institute Co-patentee before: State Grid Corporation of China |
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