CN210374973U - Bridge jacking intelligent double-displacement sensor device - Google Patents
Bridge jacking intelligent double-displacement sensor device Download PDFInfo
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- CN210374973U CN210374973U CN201921479659.4U CN201921479659U CN210374973U CN 210374973 U CN210374973 U CN 210374973U CN 201921479659 U CN201921479659 U CN 201921479659U CN 210374973 U CN210374973 U CN 210374973U
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- displacement sensor
- protective shell
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- bridge jacking
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/042—Calibration or calibration artifacts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
Abstract
The utility model discloses a bridge jacking intelligence dual displacement sensor device, with the cooperation of jacking device, install the one side at the bearing capacity end of jacking device, include: the displacement sensor includes a body, a first displacement sensor, and a second displacement sensor. The main body includes: the fixing device comprises a protective shell arranged on a main body, a fixing plate fixedly connected inside the protective shell and a plurality of fixing lugs fixedly connected to two sides outside the protective shell; two through holes are respectively formed in the bottom and the top of the main body, the first displacement sensor is arranged inside the protective shell and fixedly installed on the fixing plate, the second displacement sensor is a magnetostrictive displacement sensor and is fixedly installed on the fixing plate, and the second displacement sensor is parallel to the first displacement sensor. The utility model discloses utilize the sensor of two kinds of different theory of operation to combine the software system, accurate measurement data still has characteristics such as anti-interference, waterproof and dustproof when realizing intelligent self-checking function.
Description
Technical Field
The utility model belongs to the whole jacking operation equipment field of bridge, especially, bridge jacking intelligence double displacement sensor device.
Background
Highways are indispensable links for economic development, and a large number of highway bridges in China need to be reinforced, maintained or modified due to long-term aging. In the prior art, the whole bridge jacking operation is required in bridge construction. At present, a PLC hydraulic integral synchronous jacking control system is generally adopted, and a control method is based on force and displacement comprehensive control and forms a position closed loop with a corresponding displacement sensor so as to detect the displacement and the state of jacking a bridge, ensure the integral synchronism of the jacking process and ensure the safety of structures such as a capping beam, a plate beam and the like.
The stay wire type displacement sensor is a displacement sensor commonly used in the existing bridge jacking operation. However, the bridge jacking construction environment has poor anti-interference performance and poor sealing performance under severe conditions, and in addition, the construction site personnel are complex, so that the stay wire exposed in a construction site is easy to be disturbed, data deviation occurs, and the construction precision cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a two displacement sensor devices of bridge jacking intelligence to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: the utility model provides a bridge jacking intelligence dibit moves sensor device, cooperates with jacking device, installs the one side at the bearing end of jacking device, includes:
a body, the body comprising: the fixing device comprises a protective shell arranged on a main body, a fixing plate fixedly connected inside the protective shell and a plurality of fixing lugs fixedly connected to two sides outside the protective shell; the bottom and the top of the main body are respectively provided with two through holes, and the fixing plate is provided with two through holes;
the first displacement sensor is a pull-wire type displacement sensor, is arranged in the protective shell and is fixedly arranged on the fixing plate,
the second displacement sensor is a magnetostrictive displacement sensor, is fixedly arranged on the fixed plate and is parallel to the first displacement sensor;
two through-holes that the bottom of main part was seted up are data interface ann jack, and two through-holes at top are the sensor perforation, set up two through-holes on the fixed plate and be first mounting hole and second mounting hole, first displacement sensor and second displacement sensor are fixed to be alternate in first mounting hole and second mounting hole and both ends correspond respectively and wear out data interface ann jack and sensor perforation.
In a further embodiment, the first displacement sensor comprises: the displacement sensor comprises a first displacement sensor body, a steel wire rope connected with the first displacement sensor body, a cable fixedly connected with the first displacement sensor body, and a control module fixedly connected to the other end of the cable; the other end of the control module corresponds to the data interface jack, the control module is connected with computer software through a cable, and the stay wire type displacement sensor has the advantages of compact structure, long measuring stroke and reliable performance.
In a further embodiment, the first displacement sensor body comprises: the fixed wire post that sets up at first displacement sensor body top, the terminal box body of fixed connection wire post, the coil spring of fixed mounting in terminal box body one side is close to the inside coil spring box that just accepts the coil spring of main part, installs the winding wheel in terminal box body inside, sets up the flange at winding wheel one side and fixed connection terminal box body to and the encoder of spiro union in flange one side, wire rope twines on winding wheel, can follow measuring direction tensile sensor wire end respectively in the testing process, and whether the inspection has card to move or abnormal sound, ensures whether the device is installed steadily.
In a further embodiment, the second displacement sensor comprises: the electronic bin is fixedly inserted on the fixing plate in a penetrating manner, the measuring rod is fixedly connected to one end of the electronic bin, the two movable magnetic rings are sleeved on the other end of the measuring rod, and the sleeve is sleeved on the measuring rod and positioned between the two movable magnetic rings; one end of the sleeve is provided with a connecting device; the bottom of the electronic bin is connected with a cable, the cable is connected with the control module, displacement is accurately measured by utilizing a magnetostrictive principle and generating a strain pulse signal through intersection of two different magnetic fields, and accurate data acquisition of the sensor in a severe environment can be guaranteed.
In a further embodiment, a sealing cover plate is arranged on one side of the protective shell, a fixing groove is formed in the edge of the cover plate, and sealing rubber is arranged on the edge of the fixing groove, so that water proofing under rain, snow or humidity conditions can be guaranteed.
In a further embodiment, the protective shell is rectangular and made of iron materials, and is high in strength and light in weight.
In a further embodiment, the two sensor perforations at the top of the body are a steel wire rope perforation and a casing perforation respectively, the steel wire rope perforation has a diameter of 2mm, and the casing perforation has a diameter of 3 mm.
In a further embodiment, the first displacement sensor and the second displacement sensor are parallel to the protective housing such that the measuring directions of the two sensors are parallel.
Has the advantages that: compared with the prior art, the utility model have following advantage:
1. two sensors with different working principles are utilized to simultaneously measure the displacement of the same section and output high and low precision measurement results. The software system calculates whether the stroke difference between the two exceeds a limit value (the lowest precision of the sensor), and judges the working state of the sensor, thereby realizing the intelligent self-checking function. And secondly, the double displacement sensors comprehensively provide more accurate and reliable data for a construction site due to different working principles.
2. The sealing cover plate and the sealed metal protective shell can have good characteristics of interference resistance, water resistance, dust resistance and the like.
Drawings
Fig. 1 is the utility model discloses bridge jacking intelligence double displacement sensor device's perspective view.
Fig. 2 is the utility model discloses bridge jacking intelligence double displacement sensor device's elevation view.
Fig. 3 is an assembly diagram of the main body of the present invention.
Fig. 4 is an exploded view of the first displacement sensor of the present invention.
Fig. 5 is a schematic structural diagram of a second sensor of the present invention.
Fig. 6 is a schematic view of the present invention.
The reference signs are: the device comprises a main body 1, a protective shell 11, a sealing cover plate 12, a fixing plate 13, a fixing lug 14, a sensor through hole 15, a first mounting hole 16, a data interface installation hole 17, a stay wire type displacement sensor 2, an encoder 21, a connecting flange 22, a stay box body 23, a winding wheel 24, a coil spring 25, a coil spring box 26, a steel wire rope 27, a wire column 28, a magnetostrictive displacement sensor 3, an electronic bin 31, a measuring rod 32, a movable magnetic ring 33, a sleeve 34, a fixing nut 35, a data wire 36, a connecting piece 37, a cover beam 4, a main beam 5 and a jacking device 6.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
As shown in fig. 1 to 3, the intelligent double displacement sensor device for bridge jacking comprises: the device comprises a main body 1, a protective shell 11, a sealing cover plate 12, a fixing plate 13, a fixing lug 14, a sensor through hole 15, a first mounting hole 16, a data interface mounting hole 17, a first displacement sensor and a second displacement sensor.
Wherein the sensor is matched with the jacking device 6 in the using process and is arranged at one side of the bearing end of the jacking device 6. The main body 1 includes: the sensor comprises a protective shell 11, a sealing cover plate 12, a fixing plate 13, a fixing lug 14, a sensor perforation 15, a first mounting hole 16 and a data interface mounting hole 17.
The protective shell 11 is arranged on the outer side of the main body 1, the fixing plate 13 is fixedly and transversely inserted into the main body 1, and the fixing lugs 14 are a plurality of fixing lugs fixedly connected to two sides of the outer part of the protective shell 11; two through holes are respectively arranged at the bottom and the top of the main body 1, and two through holes are arranged on the fixing plate 13. The first displacement sensor is a pull-wire type displacement sensor 2 which is arranged inside the protective housing 11 and is fixedly mounted on the fixing plate 13. The second displacement sensor is a magnetostrictive displacement sensor 3, which is fixedly arranged on the fixed plate 13 and is parallel to the first displacement sensor;
two through-holes that the bottom of main part 1 was seted up are data interface ann hole 17, and two through-holes at top are sensor perforation 15, have seted up two through-holes on the fixed plate 13 and have been first mounting hole 16 and second mounting hole, and first displacement sensor and second displacement sensor are fixed to be alternate in first mounting hole 16 and second mounting hole and both ends correspond respectively and wear out data interface ann hole 17 and sensor perforation 15.
As shown in fig. 4, the first displacement sensor body is fixedly inserted on the fixing plate 13, and the first displacement sensor includes: an encoder 21, a connecting flange 22, a terminal block body 23, a winding wheel 24, a coil spring 25 case, a wire rope 27, and a wire guide 28. The fixed top that sets up at the first displacement sensor body of wire post 28, the bottom of terminal box body 23 fixed connection wire post 28, coil spring 25 fixed mounting is in one side of terminal box body 23, coil spring 25 box is close to main part 1 inside and accepts coil spring 25, winding wheel 24 installs the inside at terminal box body 23, flange 22 sets up at winding wheel 24 one side and fixed connection terminal box body 23, encoder 21 spiro union is in one side of flange 22, wire rope 27 twines on winding wheel 24 and wears out the first displacement sensor body through wire post 28, first displacement sensor body bottom fixedly connected with cable, through cable connection control module, correspond data interface ann jack 17, stay-type displacement sensor 2 has compact structure, measure the stroke length, the advantage of dependable performance. In the detection process, the pull wire end of the sensor can be respectively stretched along the measuring direction to check whether the sensor is blocked or has abnormal sound, so that whether the device is installed stably is ensured.
As shown in fig. 5, the second displacement sensor includes: electronic bin 31, measuring staff 32, movable magnetic ring 33, sleeve pipe 34, fixation nut 35, data line 36 and connecting piece 37.
The electronic bin 31 is fixedly inserted on the fixing plate 13, the measuring rod 32 is fixedly connected to one end of the electronic bin 31, the movable magnetic ring 33 is sleeved on the other end of the measuring rod 32, and the sleeve 34 is sleeved on the measuring rod 32 and is positioned on one side of the movable magnetic ring 33; one end of the sleeve 34 is provided with a connection means. The bottom of the electronic bin 31 is connected with a cable, the cable is connected with the control module, displacement is accurately measured by utilizing a magnetostrictive principle and generating a strain pulse signal through intersection of two different magnetic fields, and accurate data acquisition of the sensor in a severe environment can be guaranteed.
One side of the protective shell 11 is provided with a sealing cover plate 12, the edge of the cover plate is provided with a fixing groove (not shown), and the edge of the fixing groove is provided with sealing rubber (not shown), so that water and moisture can be prevented under the conditions of rain, snow or humidity.
The protective casing 11 is rectangular and made of iron, and has high strength and light weight.
Two sensor perforation 15 on main part 1 top are wire rope 27 perforation and sleeve pipe 34 perforation respectively, and wire rope 27 perforation diameter is 2mm, and sleeve pipe 34 perforation diameter is 3mm, matches with the size of sleeve pipe 34.
The first and second displacement sensors are parallel to the protective housing 11 so that the measuring directions of the two sensors are parallel.
As shown in fig. 6, a sensor is arranged on the cover beam 4 along the marked position of the marking line to measure whether the angle and the position of the jacking device are deviated or not. And is secured by the housing upper securing ears 14 using cement nails. The position of the displacement measuring point on the main beam 5 is nailed in a cement nail, and the steel wire rope 27 is wound and knotted on the cement nail to fix the pull wire end of the sensor. Check if there is shaking of the device. And plugging a data line 36 to access the system.
The working principle is as follows: the method comprises the following steps:
and S1, after the installation of the installation sensor is finished, respectively stretching the pull wire end of the sensor along the measuring direction, checking whether clamping or abnormal sound exists, and detecting whether the equipment is installed stably.
S2, connecting the data line 36, starting the computer software system, simultaneously stretching the wire pulling ends of the double sensors along the measuring direction, keeping the same displacement, and checking whether the results are output and are consistent; and simultaneously stretching the stay wire ends of the double sensors, controlling the stay wire section to make a displacement difference larger than 0.5mm, and checking a self-checking result of the system.
S3, after checking, the data line 36 is disconnected. And at the displacement monitoring position, marking to determine the installation position of the sensor and positioning the measurement point.
S4, the first sensor and the second sensor output high and low precision measurement results at the same time, the matched software system can automatically calculate two data difference values (displacement difference) in real time, if the displacement difference is larger than the lower precision value of the two sensors, the sensor is judged to have a problem, a warning is given, and the inspection can be conducted on site.
The utility model discloses utilize the sensor of two kinds of different theory of operation, the same section displacement of simultaneous measurement, two kinds of precision measurement results of output height, low. The software system calculates whether the stroke difference between the two exceeds a limit value (the lowest precision of the sensor), and judges the working state of the sensor, thereby realizing the intelligent self-checking function. And secondly, the double displacement sensors comprehensively provide more accurate and reliable data for a construction site due to different working principles. The possible technical errors caused by the precision errors are reduced, and the social and property safety is ensured.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a bridge jacking intelligence dibit moves sensor device, cooperates with jacking device, installs the one side at the bearing end of jacking device, its characterized in that includes:
a body, the body comprising: the fixing device comprises a protective shell arranged on a main body, a fixing plate fixedly connected inside the protective shell and a plurality of fixing lugs fixedly connected to two sides outside the protective shell; the bottom and the top of the main body are respectively provided with two through holes, and the fixing plate is provided with two through holes;
the first displacement sensor is a pull-wire type displacement sensor, is arranged in the protective shell and is fixedly arranged on the fixing plate,
the second displacement sensor is a magnetostrictive displacement sensor, is fixedly arranged on the fixed plate and is parallel to the first displacement sensor;
two through-holes that the bottom of main part was seted up are data interface ann jack, and two through-holes at top are the sensor perforation, set up two through-holes on the fixed plate and be first mounting hole and second mounting hole, first displacement sensor and second displacement sensor are fixed to be alternate in first mounting hole and second mounting hole and both ends correspond respectively and wear out data interface ann jack and sensor perforation.
2. The intelligent double-displacement sensor device for bridge jacking according to claim 1, wherein the first displacement sensor comprises: the displacement sensor comprises a first displacement sensor body, a steel wire rope connected with the first displacement sensor body, a cable fixedly connected with the first displacement sensor body, and a control module fixedly connected to the other end of the cable; and the other end of the control module corresponds to the data interface installation jack.
3. The intelligent double-displacement sensor device for bridge jacking according to claim 2, wherein the first displacement sensor body comprises: the fixed wire post that sets up at first displacement sensor body top, the terminal box body of fixed connection wire post, the wind spring of fixed mounting in terminal box body one side is close to the inside coil spring box that just accepts the wind spring of main part, installs the winding wheel in terminal box body inside, sets up the flange at winding wheel one side and fixed connection terminal box body to and the encoder of spiro union in flange one side, wire rope twines on winding wheel.
4. The intelligent double-displacement sensor device for bridge jacking according to claim 1, wherein the second displacement sensor comprises: the electronic bin is fixedly inserted on the fixing plate in a penetrating manner, the measuring rod is fixedly connected to one end of the electronic bin, the two movable magnetic rings are sleeved on the other end of the measuring rod, and the sleeve is sleeved on the measuring rod and positioned between the two movable magnetic rings; one end of the sleeve is provided with a connecting device; the bottom of the electronic bin is connected with a cable, and the cable is connected with the control module.
5. The intelligent double-displacement sensor device for bridge jacking according to claim 1, wherein a sealing cover plate is arranged on one side of the protective shell, a fixing groove is formed in the edge of the cover plate, and sealing rubber is arranged on the edge of the fixing groove.
6. The intelligent double-displacement sensor device for bridge jacking according to claim 1, wherein the protective housing is rectangular.
7. The intelligent double-displacement sensor device for bridge jacking according to claim 1, wherein the two sensor through holes in the top of the main body are a steel wire rope through hole and a sleeve through hole respectively, the diameter of the steel wire rope through hole is 2mm, and the diameter of the sleeve through hole is 3 mm.
8. The intelligent double-displacement sensor device for bridge jacking according to claim 1, wherein the first displacement sensor and the second displacement sensor are parallel to the protective housing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470478 | 2019-05-31 | ||
| CN2019104704783 | 2019-05-31 |
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| CN210374973U true CN210374973U (en) | 2020-04-21 |
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| CN201921479659.4U Active CN210374973U (en) | 2019-05-31 | 2019-09-06 | Bridge jacking intelligent double-displacement sensor device |
| CN201910842647.1A Active CN110671989B (en) | 2019-05-31 | 2019-09-06 | Control system based on bridge jacking intelligence double displacement sensor |
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| CN201910842647.1A Active CN110671989B (en) | 2019-05-31 | 2019-09-06 | Control system based on bridge jacking intelligence double displacement sensor |
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| CN111208791A (en) * | 2020-01-20 | 2020-05-29 | 桂林智工科技有限责任公司 | Rare earth extraction transmission fault monitoring system |
| CN116182668A (en) * | 2023-04-25 | 2023-05-30 | 山东中兴科技开发有限公司 | Measuring device for monitoring coal mine tunnel roof deflection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS61140955A (en) * | 1984-12-13 | 1986-06-28 | Iwatsu Electric Co Ltd | Inspecting device for engraving machine |
| CN202092604U (en) * | 2011-05-21 | 2011-12-28 | 三一重工股份有限公司 | Stay wire sensor and engineering machinery |
| CN102353321A (en) * | 2011-07-06 | 2012-02-15 | 中铁二十二局哈尔滨铁路建设集团有限责任公司 | Bridge-jacking digital-video monitoring device |
| CN202187299U (en) * | 2011-07-25 | 2012-04-11 | 上海先为土木工程有限公司 | Bridge jacking monitoring device |
| CN202645038U (en) * | 2012-04-01 | 2013-01-02 | 上海城建市政工程（集团）有限公司 | Control system for building jacking construction |
| KR101859657B1 (en) * | 2017-06-28 | 2018-05-18 | 주식회사 대영 | Water management automation system with self-check function |
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| CN110671989A (en) | 2020-01-10 |
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